/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. */ /* * Copyright 2017 Nexenta Systems, Inc. All rights reserved. * Copyright 2016 Argo Technologies SA */ /* * SATA Framework * Generic SATA Host Adapter Implementation */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * FMA header files */ #include #include #include #include /* Debug flags - defined in sata.h */ int sata_debug_flags = 0; int sata_msg = 0; /* * Flags enabling selected SATA HBA framework functionality */ #define SATA_ENABLE_QUEUING 1 #define SATA_ENABLE_NCQ 2 #define SATA_ENABLE_PROCESS_EVENTS 4 #define SATA_ENABLE_PMULT_FBS 8 /* FIS-Based Switching */ int sata_func_enable = SATA_ENABLE_PROCESS_EVENTS | SATA_ENABLE_QUEUING | SATA_ENABLE_NCQ; /* * Global variable setting default maximum queue depth (NCQ or TCQ) * Note:minimum queue depth is 1 */ int sata_max_queue_depth = SATA_MAX_QUEUE_DEPTH; /* max NCQ/TCQ queue depth */ /* * Currently used default NCQ/TCQ queue depth. It is set-up during the driver * initialization, using value from sata_max_queue_depth * It is adjusted to minimum supported by the controller and by the device, * if queueing is enabled. */ static int sata_current_max_qdepth; /* * Global variable determining the default behavior after device hotpluggin. * If non-zero, the hotplugged device is onlined (if possible) without explicit * IOCTL request (AP_CONFIGURE). * If zero, hotplugged device is identified, but not onlined. * Enabling (AP_CONNECT) device port with an attached device does not result * in device onlining regardless of the flag setting */ int sata_auto_online = 0; #ifdef SATA_DEBUG #define SATA_LOG_D(args) sata_log args uint64_t mbuf_count = 0; uint64_t mbuffail_count = 0; sata_atapi_cmd_t sata_atapi_trace[64]; uint32_t sata_atapi_trace_index = 0; int sata_atapi_trace_save = 1; static void sata_save_atapi_trace(sata_pkt_txlate_t *, int); #define SATAATAPITRACE(spx, count) if (sata_atapi_trace_save) \ sata_save_atapi_trace(spx, count); #else #define SATA_LOG_D(args) sata_trace_log args #define SATAATAPITRACE(spx, count) #endif #if 0 static void sata_test_atapi_packet_command(sata_hba_inst_t *, int); #endif #ifdef SATA_INJECT_FAULTS #define SATA_INJECT_PKT_FAULT 1 uint32_t sata_inject_fault = 0; uint32_t sata_inject_fault_count = 0; uint32_t sata_inject_fault_pause_count = 0; uint32_t sata_fault_type = 0; uint32_t sata_fault_cmd = 0; dev_info_t *sata_fault_ctrl = NULL; sata_device_t sata_fault_device; static void sata_inject_pkt_fault(sata_pkt_t *, int *, int); #endif #define LEGACY_HWID_LEN 64 /* Model (40) + Serial (20) + pad */ static char sata_rev_tag[] = {"1.46"}; /* * SATA cb_ops functions */ static int sata_hba_open(dev_t *, int, int, cred_t *); static int sata_hba_close(dev_t, int, int, cred_t *); static int sata_hba_ioctl(dev_t, int, intptr_t, int, cred_t *, int *); /* * SCSA required entry points */ static int sata_scsi_tgt_init(dev_info_t *, dev_info_t *, scsi_hba_tran_t *, struct scsi_device *); static int sata_scsi_tgt_probe(struct scsi_device *, int (*callback)(void)); static void sata_scsi_tgt_free(dev_info_t *, dev_info_t *, scsi_hba_tran_t *, struct scsi_device *); static int sata_scsi_start(struct scsi_address *, struct scsi_pkt *); static int sata_scsi_abort(struct scsi_address *, struct scsi_pkt *); static int sata_scsi_reset(struct scsi_address *, int); static int sata_scsi_getcap(struct scsi_address *, char *, int); static int sata_scsi_setcap(struct scsi_address *, char *, int, int); static struct scsi_pkt *sata_scsi_init_pkt(struct scsi_address *, struct scsi_pkt *, struct buf *, int, int, int, int, int (*)(caddr_t), caddr_t); static void sata_scsi_destroy_pkt(struct scsi_address *, struct scsi_pkt *); static void sata_scsi_dmafree(struct scsi_address *, struct scsi_pkt *); static void sata_scsi_sync_pkt(struct scsi_address *, struct scsi_pkt *); /* * SATA HBA interface functions are defined in sata_hba.h header file */ /* Event processing functions */ static void sata_event_daemon(void *); static void sata_event_thread_control(int); static void sata_process_controller_events(sata_hba_inst_t *sata_hba_inst); static void sata_process_pmult_events(sata_hba_inst_t *, uint8_t); static void sata_process_device_reset(sata_hba_inst_t *, sata_address_t *); static void sata_process_pmdevice_reset(sata_hba_inst_t *, sata_address_t *); static void sata_process_port_failed_event(sata_hba_inst_t *, sata_address_t *); static void sata_process_port_link_events(sata_hba_inst_t *, sata_address_t *); static void sata_process_pmport_link_events(sata_hba_inst_t *, sata_address_t *); static void sata_process_device_detached(sata_hba_inst_t *, sata_address_t *); static void sata_process_pmdevice_detached(sata_hba_inst_t *, sata_address_t *); static void sata_process_device_attached(sata_hba_inst_t *, sata_address_t *); static void sata_process_pmdevice_attached(sata_hba_inst_t *, sata_address_t *); static void sata_process_port_pwr_change(sata_hba_inst_t *, sata_address_t *); static void sata_process_cntrl_pwr_level_change(sata_hba_inst_t *); static void sata_process_target_node_cleanup(sata_hba_inst_t *, sata_address_t *); static void sata_process_device_autoonline(sata_hba_inst_t *, sata_address_t *saddr); /* * Local translation functions */ static int sata_txlt_inquiry(sata_pkt_txlate_t *); static int sata_txlt_test_unit_ready(sata_pkt_txlate_t *); static int sata_txlt_start_stop_unit(sata_pkt_txlate_t *); static int sata_txlt_read_capacity(sata_pkt_txlate_t *); static int sata_txlt_read_capacity16(sata_pkt_txlate_t *); static int sata_txlt_unmap(sata_pkt_txlate_t *); static int sata_txlt_request_sense(sata_pkt_txlate_t *); static int sata_txlt_read(sata_pkt_txlate_t *); static int sata_txlt_write(sata_pkt_txlate_t *); static int sata_txlt_log_sense(sata_pkt_txlate_t *); static int sata_txlt_log_select(sata_pkt_txlate_t *); static int sata_txlt_mode_sense(sata_pkt_txlate_t *); static int sata_txlt_mode_select(sata_pkt_txlate_t *); static int sata_txlt_ata_pass_thru(sata_pkt_txlate_t *); static int sata_txlt_synchronize_cache(sata_pkt_txlate_t *); static int sata_txlt_write_buffer(sata_pkt_txlate_t *); static int sata_txlt_nodata_cmd_immediate(sata_pkt_txlate_t *); static int sata_hba_start(sata_pkt_txlate_t *, int *); static int sata_txlt_invalid_command(sata_pkt_txlate_t *); static int sata_txlt_check_condition(sata_pkt_txlate_t *, uchar_t, uchar_t); static int sata_txlt_lba_out_of_range(sata_pkt_txlate_t *); static int sata_txlt_ata_pass_thru_illegal_cmd(sata_pkt_txlate_t *); static int sata_txlt_unmap_nodata_cmd(sata_pkt_txlate_t *); static void sata_txlt_rw_completion(sata_pkt_t *); static void sata_txlt_nodata_cmd_completion(sata_pkt_t *); static void sata_txlt_apt_completion(sata_pkt_t *sata_pkt); static void sata_txlt_unmap_completion(sata_pkt_t *sata_pkt); static void sata_txlt_download_mcode_cmd_completion(sata_pkt_t *); static int sata_emul_rw_completion(sata_pkt_txlate_t *); static void sata_fill_ata_return_desc(sata_pkt_t *, uint8_t, uint8_t, uint8_t); static struct scsi_extended_sense *sata_immediate_error_response( sata_pkt_txlate_t *, int); static struct scsi_extended_sense *sata_arq_sense(sata_pkt_txlate_t *); static int sata_txlt_atapi(sata_pkt_txlate_t *); static void sata_txlt_atapi_completion(sata_pkt_t *); /* * Local functions for ioctl */ static int32_t sata_get_port_num(sata_hba_inst_t *, struct devctl_iocdata *); static void sata_cfgadm_state(sata_hba_inst_t *, int32_t, devctl_ap_state_t *); static dev_info_t *sata_get_target_dip(dev_info_t *, uint8_t, uint8_t); static dev_info_t *sata_get_scsi_target_dip(dev_info_t *, sata_address_t *); static dev_info_t *sata_devt_to_devinfo(dev_t); static int sata_ioctl_connect(sata_hba_inst_t *, sata_device_t *); static int sata_ioctl_disconnect(sata_hba_inst_t *, sata_device_t *); static int sata_ioctl_configure(sata_hba_inst_t *, sata_device_t *); static int sata_ioctl_unconfigure(sata_hba_inst_t *, sata_device_t *); static int sata_ioctl_activate(sata_hba_inst_t *, sata_device_t *); static int sata_ioctl_deactivate(sata_hba_inst_t *, sata_device_t *); static int sata_ioctl_reset_port(sata_hba_inst_t *, sata_device_t *); static int sata_ioctl_reset_device(sata_hba_inst_t *, sata_device_t *); static int sata_ioctl_reset_all(sata_hba_inst_t *); static int sata_ioctl_port_self_test(sata_hba_inst_t *, sata_device_t *); static int sata_ioctl_get_device_path(sata_hba_inst_t *, sata_device_t *, sata_ioctl_data_t *, int mode); static int sata_ioctl_get_ap_type(sata_hba_inst_t *, sata_device_t *, sata_ioctl_data_t *, int mode); static int sata_ioctl_get_model_info(sata_hba_inst_t *, sata_device_t *, sata_ioctl_data_t *, int mode); static int sata_ioctl_get_revfirmware_info(sata_hba_inst_t *, sata_device_t *, sata_ioctl_data_t *, int mode); static int sata_ioctl_get_serialnumber_info(sata_hba_inst_t *, sata_device_t *, sata_ioctl_data_t *, int mode); /* * Local functions */ static void sata_remove_hba_instance(dev_info_t *); static int sata_validate_sata_hba_tran(dev_info_t *, sata_hba_tran_t *); static void sata_probe_ports(sata_hba_inst_t *); static void sata_probe_pmports(sata_hba_inst_t *, uint8_t); static int sata_reprobe_port(sata_hba_inst_t *, sata_device_t *, int); static int sata_reprobe_pmult(sata_hba_inst_t *, sata_device_t *, int); static int sata_reprobe_pmport(sata_hba_inst_t *, sata_device_t *, int); static int sata_alloc_pmult(sata_hba_inst_t *, sata_device_t *); static void sata_free_pmult(sata_hba_inst_t *, sata_device_t *); static int sata_add_device(dev_info_t *, sata_hba_inst_t *, sata_device_t *); static int sata_offline_device(sata_hba_inst_t *, sata_device_t *, sata_drive_info_t *); static dev_info_t *sata_create_target_node(dev_info_t *, sata_hba_inst_t *, sata_address_t *); static void sata_remove_target_node(sata_hba_inst_t *, sata_address_t *); static int sata_validate_scsi_address(sata_hba_inst_t *, struct scsi_address *, sata_device_t *); static int sata_validate_sata_address(sata_hba_inst_t *, int, int, int); static sata_pkt_t *sata_pkt_alloc(sata_pkt_txlate_t *, int (*)(caddr_t)); static void sata_pkt_free(sata_pkt_txlate_t *); static int sata_dma_buf_setup(sata_pkt_txlate_t *, int, int (*)(caddr_t), caddr_t, ddi_dma_attr_t *); static void sata_common_free_dma_rsrcs(sata_pkt_txlate_t *); static int sata_probe_device(sata_hba_inst_t *, sata_device_t *); static sata_drive_info_t *sata_get_device_info(sata_hba_inst_t *, sata_device_t *); static int sata_identify_device(sata_hba_inst_t *, sata_drive_info_t *); static void sata_reidentify_device(sata_pkt_txlate_t *); static struct buf *sata_alloc_local_buffer(sata_pkt_txlate_t *, int); static void sata_free_local_buffer(sata_pkt_txlate_t *); static uint64_t sata_check_capacity(sata_drive_info_t *); void sata_adjust_dma_attr(sata_drive_info_t *, ddi_dma_attr_t *, ddi_dma_attr_t *); static int sata_fetch_device_identify_data(sata_hba_inst_t *, sata_drive_info_t *); static void sata_update_port_info(sata_hba_inst_t *, sata_device_t *); static void sata_update_pmport_info(sata_hba_inst_t *, sata_device_t *); static void sata_update_port_scr(sata_port_scr_t *, sata_device_t *); static int sata_set_dma_mode(sata_hba_inst_t *, sata_drive_info_t *); static int sata_set_cache_mode(sata_hba_inst_t *, sata_drive_info_t *, int); static int sata_set_rmsn(sata_hba_inst_t *, sata_drive_info_t *, int); static int sata_set_drive_features(sata_hba_inst_t *, sata_drive_info_t *, int flag); static void sata_init_write_cache_mode(sata_drive_info_t *sdinfo); static int sata_initialize_device(sata_hba_inst_t *, sata_drive_info_t *); static void sata_identdev_to_inquiry(sata_hba_inst_t *, sata_drive_info_t *, uint8_t *); static int sata_get_atapi_inquiry_data(sata_hba_inst_t *, sata_address_t *, struct scsi_inquiry *); static int sata_build_msense_page_1(sata_drive_info_t *, int, uint8_t *); static int sata_build_msense_page_8(sata_drive_info_t *, int, uint8_t *); static int sata_build_msense_page_1a(sata_drive_info_t *, int, uint8_t *); static int sata_build_msense_page_1c(sata_drive_info_t *, int, uint8_t *); static int sata_build_msense_page_30(sata_drive_info_t *, int, uint8_t *); static int sata_mode_select_page_8(sata_pkt_txlate_t *, struct mode_cache_scsi3 *, int, int *, int *, int *); static int sata_mode_select_page_1a(sata_pkt_txlate_t *, struct mode_info_power_cond *, int, int *, int *, int *); static int sata_mode_select_page_1c(sata_pkt_txlate_t *, struct mode_info_excpt_page *, int, int *, int *, int *); static int sata_mode_select_page_30(sata_pkt_txlate_t *, struct mode_acoustic_management *, int, int *, int *, int *); static int sata_build_lsense_page_0(sata_drive_info_t *, uint8_t *); static int sata_build_lsense_page_10(sata_drive_info_t *, uint8_t *, sata_hba_inst_t *); static int sata_build_lsense_page_2f(sata_drive_info_t *, uint8_t *, sata_hba_inst_t *); static int sata_build_lsense_page_30(sata_drive_info_t *, uint8_t *, sata_hba_inst_t *); static int sata_build_lsense_page_0e(sata_drive_info_t *, uint8_t *, sata_pkt_txlate_t *); static void sata_set_arq_data(sata_pkt_t *); static void sata_build_read_verify_cmd(sata_cmd_t *, uint16_t, uint64_t); static void sata_build_generic_cmd(sata_cmd_t *, uint8_t); static uint8_t sata_get_standby_timer(uint8_t *timer); static void sata_save_drive_settings(sata_drive_info_t *); static void sata_show_drive_info(sata_hba_inst_t *, sata_drive_info_t *); static void sata_show_pmult_info(sata_hba_inst_t *, sata_device_t *); static void sata_log(sata_hba_inst_t *, uint_t, char *fmt, ...); static void sata_trace_log(sata_hba_inst_t *, uint_t, const char *fmt, ...); static int sata_fetch_smart_return_status(sata_hba_inst_t *, sata_drive_info_t *); static int sata_fetch_smart_data(sata_hba_inst_t *, sata_drive_info_t *, struct smart_data *); static int sata_smart_selftest_log(sata_hba_inst_t *, sata_drive_info_t *, struct smart_selftest_log *); static int sata_ext_smart_selftest_read_log(sata_hba_inst_t *, sata_drive_info_t *, struct smart_ext_selftest_log *, uint16_t); static int sata_smart_read_log(sata_hba_inst_t *, sata_drive_info_t *, uint8_t *, uint8_t, uint8_t); static int sata_read_log_ext_directory(sata_hba_inst_t *, sata_drive_info_t *, struct read_log_ext_directory *); static void sata_gen_sysevent(sata_hba_inst_t *, sata_address_t *, int); static void sata_xlate_errors(sata_pkt_txlate_t *); static void sata_decode_device_error(sata_pkt_txlate_t *, struct scsi_extended_sense *); static void sata_set_device_removed(dev_info_t *); static boolean_t sata_check_device_removed(dev_info_t *); static void sata_set_target_node_cleanup(sata_hba_inst_t *, sata_address_t *); static int sata_ncq_err_ret_cmd_setup(sata_pkt_txlate_t *, sata_drive_info_t *); static int sata_atapi_err_ret_cmd_setup(sata_pkt_txlate_t *, sata_drive_info_t *); static void sata_atapi_packet_cmd_setup(sata_cmd_t *, sata_drive_info_t *); static void sata_fixed_sense_data_preset(struct scsi_extended_sense *); static void sata_target_devid_register(dev_info_t *, sata_drive_info_t *); static int sata_check_modser(char *, int); /* * FMA */ static boolean_t sata_check_for_dma_error(dev_info_t *, sata_pkt_txlate_t *); /* * SATA Framework will ignore SATA HBA driver cb_ops structure and * register following one with SCSA framework. * Open & close are provided, so scsi framework will not use its own */ static struct cb_ops sata_cb_ops = { sata_hba_open, /* open */ sata_hba_close, /* close */ nodev, /* strategy */ nodev, /* print */ nodev, /* dump */ nodev, /* read */ nodev, /* write */ sata_hba_ioctl, /* ioctl */ nodev, /* devmap */ nodev, /* mmap */ nodev, /* segmap */ nochpoll, /* chpoll */ ddi_prop_op, /* cb_prop_op */ 0, /* streamtab */ D_NEW | D_MP, /* cb_flag */ CB_REV, /* rev */ nodev, /* aread */ nodev /* awrite */ }; extern struct mod_ops mod_miscops; extern uchar_t scsi_cdb_size[]; static struct modlmisc modlmisc = { &mod_miscops, /* Type of module */ "SATA Module" /* module name */ }; static struct modlinkage modlinkage = { MODREV_1, (void *)&modlmisc, NULL }; /* * Default sata pkt timeout. Used when a target driver scsi_pkt time is zero, * i.e. when scsi_pkt has not timeout specified. */ static int sata_default_pkt_time = 60; /* 60 seconds */ /* * Intermediate buffer device access attributes - they are required, * but not necessarily used. */ static ddi_device_acc_attr_t sata_acc_attr = { DDI_DEVICE_ATTR_V0, DDI_STRUCTURE_LE_ACC, DDI_STRICTORDER_ACC }; /* * Mutexes protecting structures in multithreaded operations. * Because events are relatively rare, a single global mutex protecting * data structures should be sufficient. To increase performance, add * separate mutex per each sata port and use global mutex only to protect * common data structures. */ static kmutex_t sata_mutex; /* protects sata_hba_list */ static kmutex_t sata_log_mutex; /* protects log */ static char sata_log_buf[256]; /* * sata trace debug */ static sata_trace_rbuf_t *sata_debug_rbuf; static sata_trace_dmsg_t *sata_trace_dmsg_alloc(void); static void sata_trace_dmsg_free(void); static void sata_trace_rbuf_alloc(void); static void sata_trace_rbuf_free(void); int dmsg_ring_size = DMSG_RING_SIZE; /* Default write cache setting for SATA hard disks */ int sata_write_cache = 1; /* enabled */ /* Default write cache setting for SATA ATAPI CD/DVD */ int sata_atapicdvd_write_cache = 1; /* enabled */ /* Default write cache setting for SATA ATAPI tape */ int sata_atapitape_write_cache = 1; /* enabled */ /* Default write cache setting for SATA ATAPI disk */ int sata_atapidisk_write_cache = 1; /* enabled */ /* * Linked list of HBA instances */ static sata_hba_inst_t *sata_hba_list = NULL; static sata_hba_inst_t *sata_hba_list_tail = NULL; /* * Pointer to per-instance SATA HBA soft structure is stored in sata_hba_tran * structure and in sata soft state. */ /* * Event daemon related variables */ static kmutex_t sata_event_mutex; static kcondvar_t sata_event_cv; static kthread_t *sata_event_thread = NULL; static int sata_event_thread_terminate = 0; static int sata_event_pending = 0; static int sata_event_thread_active = 0; extern pri_t minclsyspri; /* * NCQ error recovery command */ static const sata_cmd_t sata_rle_cmd = { SATA_CMD_REV, NULL, { SATA_DIR_READ }, ATA_ADDR_LBA48, 0, 0, 0, 0, 0, 1, READ_LOG_EXT_NCQ_ERROR_RECOVERY, 0, 0, 0, SATAC_READ_LOG_EXT, 0, 0, 0, }; /* * ATAPI error recovery CDB */ static const uint8_t sata_rqsense_cdb[SATA_ATAPI_RQSENSE_CDB_LEN] = { SCMD_REQUEST_SENSE, 0, /* Only fixed RQ format is supported */ 0, 0, SATA_ATAPI_MIN_RQSENSE_LEN, /* Less data may be returned */ 0 }; /* Warlock directives */ _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_hba_tran)) _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_device)) _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", dev_ops)) _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_extended_sense)) _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_arq_status)) _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", ddi_dma_attr)) _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", ddi_dma_cookie_t)) _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", devctl_ap_state)) _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", dev_info::devi_state)) _NOTE(MUTEX_PROTECTS_DATA(sata_mutex, sata_hba_list)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_hba_list)) _NOTE(MUTEX_PROTECTS_DATA(sata_mutex, sata_hba_inst::satahba_next)) _NOTE(MUTEX_PROTECTS_DATA(sata_mutex, sata_hba_inst::satahba_prev)) _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", \ sata_hba_inst::satahba_scsi_tran)) _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", sata_hba_inst::satahba_tran)) _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", sata_hba_inst::satahba_dip)) _NOTE(SCHEME_PROTECTS_DATA("Scheme", sata_hba_inst::satahba_attached)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_hba_inst::satahba_dev_port)) _NOTE(MUTEX_PROTECTS_DATA(sata_hba_inst::satahba_mutex, sata_hba_inst::satahba_event_flags)) _NOTE(MUTEX_PROTECTS_DATA(sata_cport_info::cport_mutex, \ sata_cport_info::cport_devp)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_cport_info::cport_devp)) _NOTE(SCHEME_PROTECTS_DATA("Scheme", sata_cport_info::cport_addr)) _NOTE(MUTEX_PROTECTS_DATA(sata_cport_info::cport_mutex, \ sata_cport_info::cport_dev_type)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_cport_info::cport_dev_type)) _NOTE(MUTEX_PROTECTS_DATA(sata_cport_info::cport_mutex, \ sata_cport_info::cport_state)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_cport_info::cport_state)) _NOTE(MUTEX_PROTECTS_DATA(sata_pmport_info::pmport_mutex, \ sata_pmport_info::pmport_state)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmport_info::pmport_state)) _NOTE(MUTEX_PROTECTS_DATA(sata_pmport_info::pmport_mutex, \ sata_pmport_info::pmport_dev_type)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmport_info::pmport_dev_type)) _NOTE(MUTEX_PROTECTS_DATA(sata_pmport_info::pmport_mutex, \ sata_pmport_info::pmport_sata_drive)) _NOTE(MUTEX_PROTECTS_DATA(sata_pmport_info::pmport_mutex, \ sata_pmport_info::pmport_tgtnode_clean)) _NOTE(MUTEX_PROTECTS_DATA(sata_pmport_info::pmport_mutex, \ sata_pmport_info::pmport_event_flags)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmport_info::pmport_sata_drive)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmult_info::pmult_dev_port)) _NOTE(DATA_READABLE_WITHOUT_LOCK(sata_pmult_info::pmult_num_dev_ports)) #ifdef SATA_DEBUG _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", mbuf_count)) _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", mbuffail_count)) _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", sata_atapi_trace)) _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", sata_atapi_trace_index)) #endif /* End of warlock directives */ /* ************** loadable module configuration functions ************** */ int _init() { int rval; mutex_init(&sata_mutex, NULL, MUTEX_DRIVER, NULL); mutex_init(&sata_event_mutex, NULL, MUTEX_DRIVER, NULL); mutex_init(&sata_log_mutex, NULL, MUTEX_DRIVER, NULL); cv_init(&sata_event_cv, NULL, CV_DRIVER, NULL); sata_trace_rbuf_alloc(); if ((rval = mod_install(&modlinkage)) != 0) { #ifdef SATA_DEBUG cmn_err(CE_WARN, "sata: _init: mod_install failed\n"); #endif sata_trace_rbuf_free(); mutex_destroy(&sata_log_mutex); cv_destroy(&sata_event_cv); mutex_destroy(&sata_event_mutex); mutex_destroy(&sata_mutex); } return (rval); } int _fini() { int rval; if ((rval = mod_remove(&modlinkage)) != 0) return (rval); sata_trace_rbuf_free(); mutex_destroy(&sata_log_mutex); cv_destroy(&sata_event_cv); mutex_destroy(&sata_event_mutex); mutex_destroy(&sata_mutex); return (rval); } int _info(struct modinfo *modinfop) { return (mod_info(&modlinkage, modinfop)); } /* ********************* SATA HBA entry points ********************* */ /* * Called by SATA HBA from _init(). * Registers HBA driver instance/sata framework pair with scsi framework, by * calling scsi_hba_init(). * * SATA HBA driver cb_ops are ignored - SATA HBA framework cb_ops are used * instead. SATA HBA framework cb_ops pointer overwrites SATA HBA driver * cb_ops pointer in SATA HBA driver dev_ops structure. * SATA HBA framework cb_ops supplies cb_open cb_close and cb_ioctl vectors. * * Return status of the scsi_hba_init() is returned to a calling SATA HBA * driver. */ int sata_hba_init(struct modlinkage *modlp) { int rval; struct dev_ops *hba_ops; SATADBG1(SATA_DBG_HBA_IF, NULL, "sata_hba_init: name %s \n", ((struct modldrv *)(modlp->ml_linkage[0]))->drv_linkinfo); /* * Fill-up cb_ops and dev_ops when necessary */ hba_ops = ((struct modldrv *)(modlp->ml_linkage[0]))->drv_dev_ops; /* * Provide pointer to SATA dev_ops */ hba_ops->devo_cb_ops = &sata_cb_ops; /* * Register SATA HBA with SCSI framework */ if ((rval = scsi_hba_init(modlp)) != 0) { SATADBG1(SATA_DBG_HBA_IF, NULL, "sata_hba_init: scsi hba init failed\n", NULL); return (rval); } return (0); } /* HBA attach stages */ #define HBA_ATTACH_STAGE_SATA_HBA_INST 1 #define HBA_ATTACH_STAGE_SCSI_ATTACHED 2 #define HBA_ATTACH_STAGE_SETUP 4 #define HBA_ATTACH_STAGE_LINKED 8 /* * * Called from SATA HBA driver's attach routine to attach an instance of * the HBA. * * For DDI_ATTACH command: * sata_hba_inst structure is allocated here and initialized with pointers to * SATA framework implementation of required scsi tran functions. * The scsi_tran's tran_hba_private field is used by SATA Framework to point * to the soft structure (sata_hba_inst) allocated by SATA framework for * SATA HBA instance related data. * The scsi_tran's tran_hba_private field is used by SATA framework to * store a pointer to per-HBA-instance of sata_hba_inst structure. * The sata_hba_inst structure is cross-linked to scsi tran structure. * Among other info, a pointer to sata_hba_tran structure is stored in * sata_hba_inst. The sata_hba_inst structures for different HBA instances are * linked together into the list, pointed to by sata_hba_list. * On the first HBA instance attach the sata event thread is initialized. * Attachment points are created for all SATA ports of the HBA being attached. * All HBA instance's SATA ports are probed and type of plugged devices is * determined. For each device of a supported type, a target node is created. * * DDI_SUCCESS is returned when attachment process is successful, * DDI_FAILURE is returned otherwise. * * For DDI_RESUME command: * Not implemented at this time (postponed until phase 2 of the development). */ int sata_hba_attach(dev_info_t *dip, sata_hba_tran_t *sata_tran, ddi_attach_cmd_t cmd) { sata_hba_inst_t *sata_hba_inst; scsi_hba_tran_t *scsi_tran = NULL; int hba_attach_state = 0; char taskq_name[MAXPATHLEN]; SATADBG3(SATA_DBG_HBA_IF, NULL, "sata_hba_attach: node %s (%s%d)\n", ddi_node_name(dip), ddi_driver_name(dip), ddi_get_instance(dip)); if (cmd == DDI_RESUME) { /* * Postponed until phase 2 of the development */ return (DDI_FAILURE); } if (cmd != DDI_ATTACH) { return (DDI_FAILURE); } /* cmd == DDI_ATTACH */ if (sata_validate_sata_hba_tran(dip, sata_tran) != SATA_SUCCESS) { SATA_LOG_D((NULL, CE_WARN, "sata_hba_attach: invalid sata_hba_tran")); return (DDI_FAILURE); } /* * Allocate and initialize SCSI tran structure. * SATA copy of tran_bus_config is provided to create port nodes. */ scsi_tran = scsi_hba_tran_alloc(dip, SCSI_HBA_CANSLEEP); if (scsi_tran == NULL) return (DDI_FAILURE); /* * Allocate soft structure for SATA HBA instance. * There is a separate softstate for each HBA instance. */ sata_hba_inst = kmem_zalloc(sizeof (struct sata_hba_inst), KM_SLEEP); ASSERT(sata_hba_inst != NULL); /* this should not fail */ mutex_init(&sata_hba_inst->satahba_mutex, NULL, MUTEX_DRIVER, NULL); hba_attach_state |= HBA_ATTACH_STAGE_SATA_HBA_INST; /* * scsi_trans's tran_hba_private is used by SATA Framework to point to * soft structure allocated by SATA framework for * SATA HBA instance related data. */ scsi_tran->tran_hba_private = sata_hba_inst; scsi_tran->tran_tgt_private = NULL; scsi_tran->tran_tgt_init = sata_scsi_tgt_init; scsi_tran->tran_tgt_probe = sata_scsi_tgt_probe; scsi_tran->tran_tgt_free = sata_scsi_tgt_free; scsi_tran->tran_start = sata_scsi_start; scsi_tran->tran_reset = sata_scsi_reset; scsi_tran->tran_abort = sata_scsi_abort; scsi_tran->tran_getcap = sata_scsi_getcap; scsi_tran->tran_setcap = sata_scsi_setcap; scsi_tran->tran_init_pkt = sata_scsi_init_pkt; scsi_tran->tran_destroy_pkt = sata_scsi_destroy_pkt; scsi_tran->tran_dmafree = sata_scsi_dmafree; scsi_tran->tran_sync_pkt = sata_scsi_sync_pkt; scsi_tran->tran_reset_notify = NULL; scsi_tran->tran_get_bus_addr = NULL; scsi_tran->tran_quiesce = NULL; scsi_tran->tran_unquiesce = NULL; scsi_tran->tran_bus_reset = NULL; if (scsi_hba_attach_setup(dip, sata_tran->sata_tran_hba_dma_attr, scsi_tran, 0) != DDI_SUCCESS) { #ifdef SATA_DEBUG cmn_err(CE_WARN, "?SATA: %s%d hba scsi attach failed", ddi_driver_name(dip), ddi_get_instance(dip)); #endif goto fail; } hba_attach_state |= HBA_ATTACH_STAGE_SCSI_ATTACHED; if (!ddi_prop_exists(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "sata")) { if (ddi_prop_update_int(DDI_DEV_T_NONE, dip, "sata", 1) != DDI_PROP_SUCCESS) { SATA_LOG_D((NULL, CE_WARN, "sata_hba_attach: " "failed to create hba sata prop")); goto fail; } } /* * Save pointers in hba instance soft state. */ sata_hba_inst->satahba_scsi_tran = scsi_tran; sata_hba_inst->satahba_tran = sata_tran; sata_hba_inst->satahba_dip = dip; /* * Create a task queue to handle emulated commands completion * Use node name, dash, instance number as the queue name. */ taskq_name[0] = '\0'; (void) strlcat(taskq_name, DEVI(dip)->devi_node_name, sizeof (taskq_name)); (void) snprintf(taskq_name + strlen(taskq_name), sizeof (taskq_name) - strlen(taskq_name), "-%d", DEVI(dip)->devi_instance); sata_hba_inst->satahba_taskq = taskq_create(taskq_name, 1, minclsyspri, 1, sata_tran->sata_tran_hba_num_cports * 4, TASKQ_DYNAMIC); hba_attach_state |= HBA_ATTACH_STAGE_SETUP; /* * Create events thread if not created yet. */ sata_event_thread_control(1); /* * Link this hba instance into the list. */ mutex_enter(&sata_mutex); if (sata_hba_list == NULL) { /* * The first instance of HBA is attached. * Set current/active default maximum NCQ/TCQ queue depth for * all SATA devices. It is done here and now, to eliminate the * possibility of the dynamic, programatic modification of the * queue depth via global (and public) sata_max_queue_depth * variable (this would require special handling in HBA drivers) */ sata_current_max_qdepth = sata_max_queue_depth; if (sata_current_max_qdepth > 32) sata_current_max_qdepth = 32; else if (sata_current_max_qdepth < 1) sata_current_max_qdepth = 1; } sata_hba_inst->satahba_next = NULL; sata_hba_inst->satahba_prev = sata_hba_list_tail; if (sata_hba_list == NULL) { sata_hba_list = sata_hba_inst; } if (sata_hba_list_tail != NULL) { sata_hba_list_tail->satahba_next = sata_hba_inst; } sata_hba_list_tail = sata_hba_inst; mutex_exit(&sata_mutex); hba_attach_state |= HBA_ATTACH_STAGE_LINKED; /* * Create SATA HBA devctl minor node for sata_hba_open, close, ioctl * SATA HBA driver should not use its own open/close entry points. * * Make sure that instance number doesn't overflow * when forming minor numbers. */ ASSERT(ddi_get_instance(dip) <= (L_MAXMIN >> INST_MINOR_SHIFT)); if (ddi_create_minor_node(dip, "devctl", S_IFCHR, INST2DEVCTL(ddi_get_instance(dip)), DDI_NT_SATA_NEXUS, 0) != DDI_SUCCESS) { #ifdef SATA_DEBUG cmn_err(CE_WARN, "sata_hba_attach: " "cannot create devctl minor node"); #endif goto fail; } /* * Set-up kstats here, if necessary. * (postponed until future phase of the development). */ /* * Indicate that HBA is attached. This will enable events processing * for this HBA. */ sata_hba_inst->satahba_attached = 1; /* * Probe controller ports. This operation will describe a current * controller/port/multipliers/device configuration and will create * attachment points. * We may end-up with just a controller with no devices attached. * For the ports with a supported device attached, device target nodes * are created and devices are initialized. */ sata_probe_ports(sata_hba_inst); return (DDI_SUCCESS); fail: if (hba_attach_state & HBA_ATTACH_STAGE_LINKED) { (void) sata_remove_hba_instance(dip); if (sata_hba_list == NULL) sata_event_thread_control(0); } if (hba_attach_state & HBA_ATTACH_STAGE_SETUP) { (void) ddi_prop_remove(DDI_DEV_T_ANY, dip, "sata"); taskq_destroy(sata_hba_inst->satahba_taskq); } if (hba_attach_state & HBA_ATTACH_STAGE_SCSI_ATTACHED) (void) scsi_hba_detach(dip); if (hba_attach_state & HBA_ATTACH_STAGE_SATA_HBA_INST) { mutex_destroy(&sata_hba_inst->satahba_mutex); kmem_free((void *)sata_hba_inst, sizeof (struct sata_hba_inst)); scsi_hba_tran_free(scsi_tran); } sata_log(NULL, CE_WARN, "?SATA: %s%d hba attach failed", ddi_driver_name(dip), ddi_get_instance(dip)); return (DDI_FAILURE); } /* * Called by SATA HBA from to detach an instance of the driver. * * For DDI_DETACH command: * Free local structures allocated for SATA HBA instance during * sata_hba_attach processing. * * Returns DDI_SUCCESS when HBA was detached, DDI_FAILURE otherwise. * * For DDI_SUSPEND command: * Not implemented at this time (postponed until phase 2 of the development) * Returnd DDI_SUCCESS. * * When the last HBA instance is detached, the event daemon is terminated. * * NOTE: Port multiplier is supported. */ int sata_hba_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) { dev_info_t *tdip; sata_hba_inst_t *sata_hba_inst; scsi_hba_tran_t *scsi_hba_tran; sata_cport_info_t *cportinfo; sata_pmult_info_t *pminfo; sata_drive_info_t *sdinfo; sata_device_t sdevice; int ncport, npmport; SATADBG3(SATA_DBG_HBA_IF, NULL, "sata_hba_detach: node %s (%s%d)\n", ddi_node_name(dip), ddi_driver_name(dip), ddi_get_instance(dip)); switch (cmd) { case DDI_DETACH: if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) return (DDI_FAILURE); sata_hba_inst = scsi_hba_tran->tran_hba_private; if (sata_hba_inst == NULL) return (DDI_FAILURE); if (scsi_hba_detach(dip) == DDI_FAILURE) { sata_hba_inst->satahba_attached = 1; return (DDI_FAILURE); } /* * Free all target nodes - at this point * devices should be at least offlined * otherwise scsi_hba_detach() should not be called. */ for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); ncport++) { cportinfo = SATA_CPORT_INFO(sata_hba_inst, ncport); if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); if (sdinfo != NULL) { tdip = sata_get_target_dip(dip, ncport, 0); if (tdip != NULL) { if (ndi_devi_offline(tdip, NDI_DEVI_REMOVE) != NDI_SUCCESS) { SATA_LOG_D(( sata_hba_inst, CE_WARN, "sata_hba_detach: " "Target node not " "removed !")); return (DDI_FAILURE); } } } } else { /* SATA_DTYPE_PMULT */ mutex_enter(&cportinfo->cport_mutex); pminfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); if (pminfo == NULL) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_detach: Port multiplier " "not ready yet!")); mutex_exit(&cportinfo->cport_mutex); return (DDI_FAILURE); } /* * Detach would fail if removal of any of the * target nodes is failed - albeit in that * case some of them may have been removed. */ for (npmport = 0; npmport < SATA_NUM_PMPORTS( sata_hba_inst, ncport); npmport++) { tdip = sata_get_target_dip(dip, ncport, npmport); if (tdip != NULL) { if (ndi_devi_offline(tdip, NDI_DEVI_REMOVE) != NDI_SUCCESS) { SATA_LOG_D(( sata_hba_inst, CE_WARN, "sata_hba_detach: " "Target node not " "removed !")); mutex_exit(&cportinfo-> cport_mutex); return (DDI_FAILURE); } } } mutex_exit(&cportinfo->cport_mutex); } } /* * Disable sata event daemon processing for this HBA */ sata_hba_inst->satahba_attached = 0; /* * Remove event daemon thread, if it is last HBA instance. */ mutex_enter(&sata_mutex); if (sata_hba_list->satahba_next == NULL) { mutex_exit(&sata_mutex); sata_event_thread_control(0); mutex_enter(&sata_mutex); } mutex_exit(&sata_mutex); /* Remove this HBA instance from the HBA list */ sata_remove_hba_instance(dip); /* * At this point there should be no target nodes attached. * Detach and destroy device and port info structures. */ for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); ncport++) { cportinfo = SATA_CPORT_INFO(sata_hba_inst, ncport); if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { sdinfo = cportinfo->cport_devp.cport_sata_drive; if (sdinfo != NULL) { /* Release device structure */ kmem_free(sdinfo, sizeof (sata_drive_info_t)); } /* Release cport info */ mutex_destroy(&cportinfo->cport_mutex); kmem_free(cportinfo, sizeof (sata_cport_info_t)); } else { /* SATA_DTYPE_PMULT */ sdevice.satadev_addr.cport = (uint8_t)ncport; sdevice.satadev_addr.qual = SATA_ADDR_PMULT; sata_free_pmult(sata_hba_inst, &sdevice); } } scsi_hba_tran_free(sata_hba_inst->satahba_scsi_tran); (void) ddi_prop_remove(DDI_DEV_T_ANY, dip, "sata"); taskq_destroy(sata_hba_inst->satahba_taskq); mutex_destroy(&sata_hba_inst->satahba_mutex); kmem_free((void *)sata_hba_inst, sizeof (struct sata_hba_inst)); return (DDI_SUCCESS); case DDI_SUSPEND: /* * Postponed until phase 2 */ return (DDI_FAILURE); default: return (DDI_FAILURE); } } /* * Called by an HBA drive from _fini() routine. * Unregisters SATA HBA instance/SATA framework pair from the scsi framework. */ void sata_hba_fini(struct modlinkage *modlp) { SATADBG1(SATA_DBG_HBA_IF, NULL, "sata_hba_fini: name %s\n", ((struct modldrv *)(modlp->ml_linkage[0]))->drv_linkinfo); scsi_hba_fini(modlp); } /* * Default open and close routine for sata_hba framework. * */ /* * Open devctl node. * * Returns: * 0 if node was open successfully, error code otherwise. * * */ static int sata_hba_open(dev_t *devp, int flags, int otyp, cred_t *credp) { #ifndef __lock_lint _NOTE(ARGUNUSED(credp)) #endif int rv = 0; dev_info_t *dip; scsi_hba_tran_t *scsi_hba_tran; sata_hba_inst_t *sata_hba_inst; SATADBG1(SATA_DBG_IOCTL_IF, NULL, "sata_hba_open: entered", NULL); if (otyp != OTYP_CHR) return (EINVAL); dip = sata_devt_to_devinfo(*devp); if (dip == NULL) return (ENXIO); if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) return (ENXIO); sata_hba_inst = scsi_hba_tran->tran_hba_private; if (sata_hba_inst == NULL || sata_hba_inst->satahba_attached == 0) return (ENXIO); mutex_enter(&sata_mutex); if (flags & FEXCL) { if (sata_hba_inst->satahba_open_flag != 0) { rv = EBUSY; } else { sata_hba_inst->satahba_open_flag = SATA_DEVCTL_EXOPENED; } } else { if (sata_hba_inst->satahba_open_flag == SATA_DEVCTL_EXOPENED) { rv = EBUSY; } else { sata_hba_inst->satahba_open_flag = SATA_DEVCTL_SOPENED; } } mutex_exit(&sata_mutex); return (rv); } /* * Close devctl node. * Returns: * 0 if node was closed successfully, error code otherwise. * */ static int sata_hba_close(dev_t dev, int flag, int otyp, cred_t *credp) { #ifndef __lock_lint _NOTE(ARGUNUSED(credp)) _NOTE(ARGUNUSED(flag)) #endif dev_info_t *dip; scsi_hba_tran_t *scsi_hba_tran; sata_hba_inst_t *sata_hba_inst; SATADBG1(SATA_DBG_IOCTL_IF, NULL, "sata_hba_close: entered", NULL); if (otyp != OTYP_CHR) return (EINVAL); dip = sata_devt_to_devinfo(dev); if (dip == NULL) return (ENXIO); if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) return (ENXIO); sata_hba_inst = scsi_hba_tran->tran_hba_private; if (sata_hba_inst == NULL || sata_hba_inst->satahba_attached == 0) return (ENXIO); mutex_enter(&sata_mutex); sata_hba_inst->satahba_open_flag = 0; mutex_exit(&sata_mutex); return (0); } /* * Standard IOCTL commands for SATA hotplugging. * Implemented DEVCTL_AP commands: * DEVCTL_AP_CONNECT * DEVCTL_AP_DISCONNECT * DEVCTL_AP_CONFIGURE * DEVCTL_UNCONFIGURE * DEVCTL_AP_CONTROL * * Commands passed to default ndi ioctl handler: * DEVCTL_DEVICE_GETSTATE * DEVCTL_DEVICE_ONLINE * DEVCTL_DEVICE_OFFLINE * DEVCTL_DEVICE_REMOVE * DEVCTL_DEVICE_INSERT * DEVCTL_BUS_GETSTATE * * All other cmds are passed to HBA if it provide ioctl handler, or failed * if not. * * Returns: * 0 if successful, * error code if operation failed. * * Port Multiplier support is supported now. * * NOTE: qual should be SATA_ADDR_DCPORT or SATA_ADDR_DPMPORT */ static int sata_hba_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, int *rvalp) { #ifndef __lock_lint _NOTE(ARGUNUSED(credp)) _NOTE(ARGUNUSED(rvalp)) #endif int rv = 0; int32_t comp_port = -1; dev_info_t *dip; devctl_ap_state_t ap_state; struct devctl_iocdata *dcp = NULL; scsi_hba_tran_t *scsi_hba_tran; sata_hba_inst_t *sata_hba_inst; sata_device_t sata_device; sata_cport_info_t *cportinfo; int cport, pmport, qual; int rval = SATA_SUCCESS; dip = sata_devt_to_devinfo(dev); if (dip == NULL) return (ENXIO); if ((scsi_hba_tran = ddi_get_driver_private(dip)) == NULL) return (ENXIO); sata_hba_inst = scsi_hba_tran->tran_hba_private; if (sata_hba_inst == NULL) return (ENXIO); if (sata_hba_inst->satahba_tran == NULL) return (ENXIO); switch (cmd) { case DEVCTL_DEVICE_GETSTATE: case DEVCTL_DEVICE_ONLINE: case DEVCTL_DEVICE_OFFLINE: case DEVCTL_DEVICE_REMOVE: case DEVCTL_BUS_GETSTATE: /* * There may be more cases that we want to pass to default * handler rather than fail them. */ return (ndi_devctl_ioctl(dip, cmd, arg, mode, 0)); } /* read devctl ioctl data */ if (cmd != DEVCTL_AP_CONTROL) { if (ndi_dc_allochdl((void *)arg, &dcp) != NDI_SUCCESS) return (EFAULT); if ((comp_port = sata_get_port_num(sata_hba_inst, dcp)) == -1) { if (dcp) ndi_dc_freehdl(dcp); return (EINVAL); } /* * According to SCSI_TO_SATA_ADDR_QUAL, qual should be either * SATA_ADDR_DCPORT or SATA_ADDR_DPMPORT. */ cport = SCSI_TO_SATA_CPORT(comp_port); pmport = SCSI_TO_SATA_PMPORT(comp_port); qual = SCSI_TO_SATA_ADDR_QUAL(comp_port); if (sata_validate_sata_address(sata_hba_inst, cport, pmport, qual) != 0) { ndi_dc_freehdl(dcp); return (EINVAL); } cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_mutex); if (cportinfo->cport_event_flags & SATA_EVNT_LOCK_PORT_BUSY) { /* * Cannot process ioctl request now. Come back later. */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_mutex); ndi_dc_freehdl(dcp); return (EBUSY); } /* Block event processing for this port */ cportinfo->cport_event_flags |= SATA_APCTL_LOCK_PORT_BUSY; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); sata_device.satadev_addr.cport = cport; sata_device.satadev_addr.pmport = pmport; sata_device.satadev_addr.qual = qual; sata_device.satadev_rev = SATA_DEVICE_REV; } switch (cmd) { case DEVCTL_AP_DISCONNECT: /* * Normally, cfgadm sata plugin will try to offline * (unconfigure) device before this request. Nevertheless, * if a device is still configured, we need to * attempt to offline and unconfigure device first, and we will * deactivate the port regardless of the unconfigure * operation results. * */ rv = sata_ioctl_disconnect(sata_hba_inst, &sata_device); break; case DEVCTL_AP_UNCONFIGURE: /* * The unconfigure operation uses generic nexus operation to * offline a device. It leaves a target device node attached. * and obviously sata_drive_info attached as well, because * from the hardware point of view nothing has changed. */ rv = sata_ioctl_unconfigure(sata_hba_inst, &sata_device); break; case DEVCTL_AP_CONNECT: { /* * The sata cfgadm pluging will invoke this operation only if * port was found in the disconnect state (failed state * is also treated as the disconnected state). * If port activation is successful and a device is found * attached to the port, the initialization sequence is * executed to probe the port and attach * a device structure to a port structure. The device is not * set in configured state (system-wise) by this operation. */ rv = sata_ioctl_connect(sata_hba_inst, &sata_device); break; } case DEVCTL_AP_CONFIGURE: { /* * A port may be in an active or shutdown state. * If port is in a failed state, operation is aborted. * If a port is in a shutdown state, sata_tran_port_activate() * is invoked prior to any other operation. * * Onlining the device involves creating a new target node. * If there is an old target node present (belonging to * previously removed device), the operation is aborted - the * old node has to be released and removed before configure * operation is attempted. */ rv = sata_ioctl_configure(sata_hba_inst, &sata_device); break; } case DEVCTL_AP_GETSTATE: sata_cfgadm_state(sata_hba_inst, comp_port, &ap_state); ap_state.ap_last_change = (time_t)-1; ap_state.ap_error_code = 0; ap_state.ap_in_transition = 0; /* Copy the return AP-state information to the user space */ if (ndi_dc_return_ap_state(&ap_state, dcp) != NDI_SUCCESS) { rv = EFAULT; } break; case DEVCTL_AP_CONTROL: { /* * Generic devctl for hardware specific functionality */ sata_ioctl_data_t ioc; ASSERT(dcp == NULL); /* Copy in user ioctl data first */ #ifdef _MULTI_DATAMODEL if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) { sata_ioctl_data_32_t ioc32; if (ddi_copyin((void *)arg, (void *)&ioc32, sizeof (ioc32), mode) != 0) { rv = EFAULT; break; } ioc.cmd = (uint_t)ioc32.cmd; ioc.port = (uint_t)ioc32.port; ioc.get_size = (uint_t)ioc32.get_size; ioc.buf = (caddr_t)(uintptr_t)ioc32.buf; ioc.bufsiz = (uint_t)ioc32.bufsiz; ioc.misc_arg = (uint_t)ioc32.misc_arg; } else #endif /* _MULTI_DATAMODEL */ if (ddi_copyin((void *)arg, (void *)&ioc, sizeof (ioc), mode) != 0) { return (EFAULT); } SATADBG2(SATA_DBG_IOCTL_IF, sata_hba_inst, "sata_hba_ioctl: DEVCTL_AP_CONTROL " "cmd 0x%x, port 0x%x", ioc.cmd, ioc.port); /* * To avoid BE/LE and 32/64 issues, a get_size always returns * a 32-bit number. */ if (ioc.get_size != 0 && ioc.bufsiz != (sizeof (uint32_t))) { return (EINVAL); } /* validate address */ cport = SCSI_TO_SATA_CPORT(ioc.port); pmport = SCSI_TO_SATA_PMPORT(ioc.port); qual = SCSI_TO_SATA_ADDR_QUAL(ioc.port); SATADBG3(SATA_DBG_IOCTL_IF, sata_hba_inst, "sata_hba_ioctl: target port is %d:%d (%d)", cport, pmport, qual); if (sata_validate_sata_address(sata_hba_inst, cport, pmport, qual) != 0) return (EINVAL); cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_mutex); /* Is the port locked by event processing daemon ? */ if (cportinfo->cport_event_flags & SATA_EVNT_LOCK_PORT_BUSY) { /* * Cannot process ioctl request now. Come back later */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_mutex); return (EBUSY); } /* Block event processing for this port */ cportinfo->cport_event_flags |= SATA_APCTL_LOCK_PORT_BUSY; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); sata_device.satadev_addr.cport = cport; sata_device.satadev_addr.pmport = pmport; sata_device.satadev_addr.qual = qual; sata_device.satadev_rev = SATA_DEVICE_REV; switch (ioc.cmd) { case SATA_CFGA_RESET_PORT: /* * There is no protection for configured device. */ rv = sata_ioctl_reset_port(sata_hba_inst, &sata_device); break; case SATA_CFGA_RESET_DEVICE: /* * There is no protection for configured device. */ rv = sata_ioctl_reset_device(sata_hba_inst, &sata_device); break; case SATA_CFGA_RESET_ALL: /* * There is no protection for configured devices. */ rv = sata_ioctl_reset_all(sata_hba_inst); /* * We return here, because common return is for * a single port operation - we have already unlocked * all ports and no dc handle was allocated. */ return (rv); case SATA_CFGA_PORT_DEACTIVATE: /* * Arbitrarily unconfigure attached device, if any. * Even if the unconfigure fails, proceed with the * port deactivation. */ rv = sata_ioctl_deactivate(sata_hba_inst, &sata_device); break; case SATA_CFGA_PORT_ACTIVATE: rv = sata_ioctl_activate(sata_hba_inst, &sata_device); break; case SATA_CFGA_PORT_SELF_TEST: rv = sata_ioctl_port_self_test(sata_hba_inst, &sata_device); break; case SATA_CFGA_GET_DEVICE_PATH: rv = sata_ioctl_get_device_path(sata_hba_inst, &sata_device, &ioc, mode); break; case SATA_CFGA_GET_AP_TYPE: rv = sata_ioctl_get_ap_type(sata_hba_inst, &sata_device, &ioc, mode); break; case SATA_CFGA_GET_MODEL_INFO: rv = sata_ioctl_get_model_info(sata_hba_inst, &sata_device, &ioc, mode); break; case SATA_CFGA_GET_REVFIRMWARE_INFO: rv = sata_ioctl_get_revfirmware_info(sata_hba_inst, &sata_device, &ioc, mode); break; case SATA_CFGA_GET_SERIALNUMBER_INFO: rv = sata_ioctl_get_serialnumber_info(sata_hba_inst, &sata_device, &ioc, mode); break; default: rv = EINVAL; break; } /* End of DEVCTL_AP_CONTROL cmd switch */ break; } default: { /* * If we got here, we got an IOCTL that SATA HBA Framework * does not recognize. Pass ioctl to HBA driver, in case * it could process it. */ sata_hba_tran_t *sata_tran = sata_hba_inst->satahba_tran; dev_info_t *mydip = SATA_DIP(sata_hba_inst); SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, "IOCTL 0x%2x not supported in SATA framework, " "passthrough to HBA", cmd); if (sata_tran->sata_tran_ioctl == NULL) { rv = EINVAL; break; } rval = (*sata_tran->sata_tran_ioctl)(mydip, cmd, arg); if (rval != 0) { SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, "IOCTL 0x%2x failed in HBA", cmd); rv = rval; } break; } } /* End of main IOCTL switch */ if (dcp) { ndi_dc_freehdl(dcp); } mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); cportinfo->cport_event_flags &= ~SATA_APCTL_LOCK_PORT_BUSY; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); return (rv); } /* * Create error retrieval sata packet * * A sata packet is allocated and set-up to contain specified error retrieval * command and appropriate dma-able data buffer. * No association with any scsi packet is made and no callback routine is * specified. * * Returns a pointer to sata packet upon successful packet creation. * Returns NULL, if packet cannot be created. */ sata_pkt_t * sata_get_error_retrieval_pkt(dev_info_t *dip, sata_device_t *sata_device, int pkt_type) { sata_hba_inst_t *sata_hba_inst; sata_pkt_txlate_t *spx; sata_pkt_t *spkt; sata_drive_info_t *sdinfo; mutex_enter(&sata_mutex); for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; sata_hba_inst = sata_hba_inst->satahba_next) { if (SATA_DIP(sata_hba_inst) == dip) break; } mutex_exit(&sata_mutex); ASSERT(sata_hba_inst != NULL); sdinfo = sata_get_device_info(sata_hba_inst, sata_device); if (sdinfo == NULL) { sata_log(sata_hba_inst, CE_WARN, "sata: error recovery request for non-attached device at " "cport %d", sata_device->satadev_addr.cport); return (NULL); } spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); spx->txlt_sata_hba_inst = sata_hba_inst; spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ spkt = sata_pkt_alloc(spx, NULL); if (spkt == NULL) { kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (NULL); } /* address is needed now */ spkt->satapkt_device.satadev_addr = sata_device->satadev_addr; switch (pkt_type) { case SATA_ERR_RETR_PKT_TYPE_NCQ: if (sata_ncq_err_ret_cmd_setup(spx, sdinfo) == SATA_SUCCESS) { if (sata_check_for_dma_error(dip, spx)) { ddi_fm_service_impact(dip, DDI_SERVICE_UNAFFECTED); break; } return (spkt); } break; case SATA_ERR_RETR_PKT_TYPE_ATAPI: if (sata_atapi_err_ret_cmd_setup(spx, sdinfo) == SATA_SUCCESS) { if (sata_check_for_dma_error(dip, spx)) { ddi_fm_service_impact(dip, DDI_SERVICE_UNAFFECTED); break; } return (spkt); } break; default: break; } sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (NULL); } /* * Free error retrieval sata packet * * Free sata packet and any associated resources allocated previously by * sata_get_error_retrieval_pkt(). * * Void return. */ void sata_free_error_retrieval_pkt(sata_pkt_t *sata_pkt) { sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; ASSERT(sata_pkt != NULL); sata_free_local_buffer(spx); sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); } /* * Create READ PORT MULTIPLIER and WRITE PORT MULTIPLIER sata packet * * No association with any scsi packet is made and no callback routine is * specified. * * Returns a pointer to sata packet upon successful packet creation. * Returns NULL, if packet cannot be created. * * NOTE: Input/Output value includes 64 bits accoring to SATA Spec 2.6, * only lower 32 bits are available currently. */ sata_pkt_t * sata_get_rdwr_pmult_pkt(dev_info_t *dip, sata_device_t *sd, uint8_t regn, uint32_t regv, uint32_t type) { sata_hba_inst_t *sata_hba_inst; sata_pkt_txlate_t *spx; sata_pkt_t *spkt; sata_cmd_t *scmd; /* Only READ/WRITE commands are accepted. */ ASSERT(type == SATA_RDWR_PMULT_PKT_TYPE_READ || type == SATA_RDWR_PMULT_PKT_TYPE_WRITE); mutex_enter(&sata_mutex); for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; sata_hba_inst = sata_hba_inst->satahba_next) { if (SATA_DIP(sata_hba_inst) == dip) break; } mutex_exit(&sata_mutex); ASSERT(sata_hba_inst != NULL); spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); spx->txlt_sata_hba_inst = sata_hba_inst; spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ spkt = sata_pkt_alloc(spx, SLEEP_FUNC); if (spkt == NULL) { kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (NULL); } /* * NOTE: We need to send this command to the port multiplier, * that means send to SATA_PMULT_HOSTPORT(0xf) pmport * * sata_device contains the address of actual target device, and the * pmport number in the command comes from the sata_device structure. */ spkt->satapkt_device.satadev_addr = sd->satadev_addr; spkt->satapkt_device.satadev_addr.pmport = SATA_PMULT_HOSTPORT; spkt->satapkt_device.satadev_addr.qual = SATA_ADDR_PMULT; /* Fill sata_pkt */ spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_POLLING; spkt->satapkt_comp = NULL; /* Synchronous mode, no callback */ spkt->satapkt_time = 10; /* Timeout 10s */ /* Build READ PORT MULTIPLIER cmd in the sata_pkt */ scmd = &spkt->satapkt_cmd; scmd->satacmd_features_reg = regn & 0xff; scmd->satacmd_features_reg_ext = (regn >> 8) & 0xff; scmd->satacmd_device_reg = sd->satadev_addr.pmport; scmd->satacmd_addr_type = 0; /* N/A */ scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; if (type == SATA_RDWR_PMULT_PKT_TYPE_READ) { scmd->satacmd_cmd_reg = SATAC_READ_PORTMULT; scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; scmd->satacmd_flags.sata_special_regs = 1; scmd->satacmd_flags.sata_copy_out_lba_high_lsb = 1; scmd->satacmd_flags.sata_copy_out_lba_mid_lsb = 1; scmd->satacmd_flags.sata_copy_out_lba_low_lsb = 1; scmd->satacmd_flags.sata_copy_out_sec_count_lsb = 1; } else if (type == SATA_RDWR_PMULT_PKT_TYPE_WRITE) { scmd->satacmd_cmd_reg = SATAC_WRITE_PORTMULT; scmd->satacmd_flags.sata_data_direction = SATA_DIR_WRITE; scmd->satacmd_sec_count_lsb = regv & 0xff; scmd->satacmd_lba_low_lsb = regv >> 8 & 0xff; scmd->satacmd_lba_mid_lsb = regv >> 16 & 0xff; scmd->satacmd_lba_high_lsb = regv >> 24 & 0xff; } return (spkt); } /* * Free sata packet and any associated resources allocated previously by * sata_get_rdwr_pmult_pkt(). * * Void return. */ void sata_free_rdwr_pmult_pkt(sata_pkt_t *sata_pkt) { sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; /* Free allocated resources */ sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); } /* * Register a port multiplier to framework. * 1) Store the GSCR values in the previous allocated pmult_info strctures. * 2) Search in the blacklist and update the number of the device ports of the * port multiplier. * * Void return. */ void sata_register_pmult(dev_info_t *dip, sata_device_t *sd, sata_pmult_gscr_t *sg) { sata_hba_inst_t *sata_hba_inst = NULL; sata_pmult_info_t *pmultinfo; sata_pmult_bl_t *blp; int cport = sd->satadev_addr.cport; mutex_enter(&sata_mutex); for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; sata_hba_inst = sata_hba_inst->satahba_next) { if (SATA_DIP(sata_hba_inst) == dip) if (sata_hba_inst->satahba_attached == 1) break; } mutex_exit(&sata_mutex); /* HBA not attached? */ if (sata_hba_inst == NULL) return; /* Number of pmports */ sd->satadev_add_info = sg->gscr2 & SATA_PMULT_PORTNUM_MASK; /* Check the blacklist */ for (blp = sata_pmult_blacklist; blp->bl_gscr0; blp++) { if (sg->gscr0 != blp->bl_gscr0 && blp->bl_gscr0) continue; if (sg->gscr1 != blp->bl_gscr1 && blp->bl_gscr1) continue; if (sg->gscr2 != blp->bl_gscr2 && blp->bl_gscr2) continue; cmn_err(CE_WARN, "!Port multiplier is on the blacklist."); sd->satadev_add_info = blp->bl_flags; break; } /* Register the port multiplier GSCR */ mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); pmultinfo = SATA_PMULT_INFO(sata_hba_inst, cport); if (pmultinfo != NULL) { pmultinfo->pmult_gscr = *sg; pmultinfo->pmult_num_dev_ports = sd->satadev_add_info & SATA_PMULT_PORTNUM_MASK; SATADBG1(SATA_DBG_PMULT, sata_hba_inst, "Port multiplier registered at port %d", cport); } mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); } /* * sata_split_model splits the model ID into vendor and product IDs. * It assumes that a vendor ID cannot be longer than 8 characters, and * that vendor and product ID are separated by a whitespace. */ void sata_split_model(char *model, char **vendor, char **product) { int i, modlen; char *vid, *pid; /* * remove whitespace at the end of model */ for (i = SATA_ID_MODEL_LEN; i > 0; i--) if (model[i] == ' ' || model[i] == '\t' || model[i] == '\0') model[i] = '\0'; else break; /* * try to split model into into vid/pid */ modlen = strlen(model); for (i = 0, pid = model; i < modlen; i++, pid++) if ((*pid == ' ') || (*pid == '\t')) break; /* * only use vid if it is less than 8 chars (as in SCSI) */ if (i < modlen && i <= 8) { vid = model; /* * terminate vid, establish pid */ *pid++ = '\0'; } else { /* * vid will stay "ATA " */ vid = NULL; /* * model is all pid */ pid = model; } *vendor = vid; *product = pid; } /* * sata_name_child is for composing the name of the node * the format of the name is "target,0". */ static int sata_name_child(dev_info_t *dip, char *name, int namelen) { int target; target = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "target", -1); if (target == -1) return (DDI_FAILURE); (void) snprintf(name, namelen, "%x,0", target); return (DDI_SUCCESS); } /* ****************** SCSA required entry points *********************** */ /* * Implementation of scsi tran_tgt_init. * sata_scsi_tgt_init() initializes scsi_device structure * * If successful, DDI_SUCCESS is returned. * DDI_FAILURE is returned if addressed device does not exist */ static int sata_scsi_tgt_init(dev_info_t *hba_dip, dev_info_t *tgt_dip, scsi_hba_tran_t *hba_tran, struct scsi_device *sd) { #ifndef __lock_lint _NOTE(ARGUNUSED(hba_dip)) _NOTE(ARGUNUSED(tgt_dip)) #endif sata_device_t sata_device; sata_drive_info_t *sdinfo; struct sata_id *sid; sata_hba_inst_t *sata_hba_inst; char model[SATA_ID_MODEL_LEN + 1]; char fw[SATA_ID_FW_LEN + 1]; char *vid, *pid; /* * Fail tran_tgt_init for .conf stub node */ if (ndi_dev_is_persistent_node(tgt_dip) == 0) { (void) ndi_merge_node(tgt_dip, sata_name_child); ddi_set_name_addr(tgt_dip, NULL); return (DDI_FAILURE); } sata_hba_inst = (sata_hba_inst_t *)(hba_tran->tran_hba_private); /* Validate scsi device address */ if (sata_validate_scsi_address(sata_hba_inst, &sd->sd_address, &sata_device) != 0) return (DDI_FAILURE); mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); /* sata_device now contains a valid sata address */ sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); if (sdinfo == NULL) { mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); return (DDI_FAILURE); } mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); /* * Check if we need to create a legacy devid (i.e cmdk style) for * the target disks. * * HBA devinfo node will have the property "use-cmdk-devid-format" * if we need to create cmdk-style devid for all the disk devices * attached to this controller. This property may have been set * from HBA driver's .conf file or by the HBA driver in its * attach(9F) function. */ if ((sdinfo->satadrv_type == SATA_DTYPE_ATADISK) && (ddi_getprop(DDI_DEV_T_ANY, hba_dip, DDI_PROP_DONTPASS, "use-cmdk-devid-format", 0) == 1)) { /* register a legacy devid for this target node */ sata_target_devid_register(tgt_dip, sdinfo); } /* * 'Identify Device Data' does not always fit in standard SCSI * INQUIRY data, so establish INQUIRY_* properties with full-form * of information. */ sid = &sdinfo->satadrv_id; #ifdef _LITTLE_ENDIAN swab(sid->ai_model, model, SATA_ID_MODEL_LEN); swab(sid->ai_fw, fw, SATA_ID_FW_LEN); #else /* _LITTLE_ENDIAN */ bcopy(sid->ai_model, model, SATA_ID_MODEL_LEN); bcopy(sid->ai_fw, fw, SATA_ID_FW_LEN); #endif /* _LITTLE_ENDIAN */ model[SATA_ID_MODEL_LEN] = 0; fw[SATA_ID_FW_LEN] = 0; sata_split_model(model, &vid, &pid); if (vid) (void) scsi_device_prop_update_inqstring(sd, INQUIRY_VENDOR_ID, vid, strlen(vid)); if (pid) (void) scsi_device_prop_update_inqstring(sd, INQUIRY_PRODUCT_ID, pid, strlen(pid)); (void) scsi_device_prop_update_inqstring(sd, INQUIRY_REVISION_ID, fw, strlen(fw)); return (DDI_SUCCESS); } /* * Implementation of scsi tran_tgt_probe. * Probe target, by calling default scsi routine scsi_hba_probe() */ static int sata_scsi_tgt_probe(struct scsi_device *sd, int (*callback)(void)) { sata_hba_inst_t *sata_hba_inst = (sata_hba_inst_t *)(sd->sd_address.a_hba_tran->tran_hba_private); int rval; uint32_t pm_cap; rval = scsi_hba_probe(sd, callback); pm_cap = SATA_CAP_POWER_CONDITON | SATA_CAP_SMART_PAGE | SATA_CAP_LOG_SENSE; if (rval == SCSIPROBE_EXISTS) { /* * Set property "pm-capable" on the target device node, so that * the target driver will not try to fetch scsi cycle counters * before enabling device power-management. */ if ((ddi_prop_update_int(DDI_DEV_T_NONE, sd->sd_dev, "pm-capable", pm_cap)) != DDI_PROP_SUCCESS) { sata_log(sata_hba_inst, CE_WARN, "SATA device at port %d: " "will not be power-managed ", SCSI_TO_SATA_CPORT(sd->sd_address.a_target)); SATA_LOG_D((sata_hba_inst, CE_WARN, "failure updating pm-capable property")); } } return (rval); } /* * Implementation of scsi tran_tgt_free. * Release all resources allocated for scsi_device */ static void sata_scsi_tgt_free(dev_info_t *hba_dip, dev_info_t *tgt_dip, scsi_hba_tran_t *hba_tran, struct scsi_device *sd) { #ifndef __lock_lint _NOTE(ARGUNUSED(hba_dip)) #endif sata_device_t sata_device; sata_drive_info_t *sdinfo; sata_hba_inst_t *sata_hba_inst; ddi_devid_t devid; sata_hba_inst = (sata_hba_inst_t *)(hba_tran->tran_hba_private); /* Validate scsi device address */ /* * Note: tgt_free relates to the SCSA view of a device. If called, there * was a device at this address, so even if the sata framework internal * resources were alredy released because a device was detached, * this function should be executed as long as its actions do * not require the internal sata view of a device and the address * refers to a valid sata address. * Validating the address here means that we do not trust SCSA... */ if (sata_validate_scsi_address(sata_hba_inst, &sd->sd_address, &sata_device) == -1) return; mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); /* sata_device now should contain a valid sata address */ sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); if (sdinfo == NULL) { mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); return; } /* * We did not allocate any resources in sata_scsi_tgt_init() * other than few properties. * Free them. */ mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); (void) ndi_prop_remove(DDI_DEV_T_NONE, tgt_dip, "pm-capable"); /* * If devid was previously created but not freed up from * sd(7D) driver (i.e during detach(9F)) then do it here. */ if ((sdinfo->satadrv_type == SATA_DTYPE_ATADISK) && (ddi_getprop(DDI_DEV_T_ANY, hba_dip, DDI_PROP_DONTPASS, "use-cmdk-devid-format", 0) == 1) && (ddi_devid_get(tgt_dip, &devid) == DDI_SUCCESS)) { ddi_devid_unregister(tgt_dip); ddi_devid_free(devid); } } /* * Implementation of scsi tran_init_pkt * Upon successful return, scsi pkt buffer has DMA resources allocated. * * It seems that we should always allocate pkt, even if the address is * for non-existing device - just use some default for dma_attr. * The reason is that there is no way to communicate this to a caller here. * Subsequent call to sata_scsi_start may fail appropriately. * Simply returning NULL does not seem to discourage a target driver... * * Returns a pointer to initialized scsi_pkt, or NULL otherwise. */ static struct scsi_pkt * sata_scsi_init_pkt(struct scsi_address *ap, struct scsi_pkt *pkt, struct buf *bp, int cmdlen, int statuslen, int tgtlen, int flags, int (*callback)(caddr_t), caddr_t arg) { sata_hba_inst_t *sata_hba_inst = (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); dev_info_t *dip = SATA_DIP(sata_hba_inst); sata_device_t sata_device; sata_drive_info_t *sdinfo; sata_pkt_txlate_t *spx; ddi_dma_attr_t cur_dma_attr; int rval; boolean_t new_pkt = B_TRUE; ASSERT(ap->a_hba_tran->tran_hba_dip == dip); /* * We need to translate the address, even if it could be * a bogus one, for a non-existing device */ sata_device.satadev_addr.qual = SCSI_TO_SATA_ADDR_QUAL(ap->a_target); sata_device.satadev_addr.cport = SCSI_TO_SATA_CPORT(ap->a_target); sata_device.satadev_addr.pmport = SCSI_TO_SATA_PMPORT(ap->a_target); sata_device.satadev_rev = SATA_DEVICE_REV; if (pkt == NULL) { /* * Have to allocate a brand new scsi packet. * We need to operate with auto request sense enabled. */ pkt = scsi_hba_pkt_alloc(dip, ap, cmdlen, MAX(statuslen, SATA_MAX_SENSE_LEN), tgtlen, sizeof (sata_pkt_txlate_t), callback, arg); if (pkt == NULL) return (NULL); /* Fill scsi packet structure */ pkt->pkt_comp = (void (*)())NULL; pkt->pkt_time = 0; pkt->pkt_resid = 0; pkt->pkt_statistics = 0; pkt->pkt_reason = 0; /* * pkt_hba_private will point to sata pkt txlate structure */ spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; bzero(spx, sizeof (sata_pkt_txlate_t)); spx->txlt_scsi_pkt = pkt; spx->txlt_sata_hba_inst = sata_hba_inst; /* Allocate sata_pkt */ spx->txlt_sata_pkt = sata_pkt_alloc(spx, callback); if (spx->txlt_sata_pkt == NULL) { /* Could not allocate sata pkt */ scsi_hba_pkt_free(ap, pkt); return (NULL); } /* Set sata address */ spx->txlt_sata_pkt->satapkt_device.satadev_addr = sata_device.satadev_addr; spx->txlt_sata_pkt->satapkt_device.satadev_rev = sata_device.satadev_rev; if ((bp == NULL) || (bp->b_bcount == 0)) return (pkt); spx->txlt_total_residue = bp->b_bcount; } else { new_pkt = B_FALSE; /* * Packet was preallocated/initialized by previous call */ spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; if ((bp == NULL) || (bp->b_bcount == 0)) { return (pkt); } /* Pkt is available already: spx->txlt_scsi_pkt == pkt; */ } spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = bp; /* * We use an adjusted version of the dma_attr, to account * for device addressing limitations. * sata_adjust_dma_attr() will handle sdinfo == NULL which may * happen when a device is not yet configured. */ mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); /* NULL sdinfo may be passsed to sata_adjust_dma_attr() */ sata_adjust_dma_attr(sdinfo, SATA_DMA_ATTR(spx->txlt_sata_hba_inst), &cur_dma_attr); mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); /* * Allocate necessary DMA resources for the packet's data buffer * NOTE: * In case of read/write commands, DMA resource allocation here is * based on the premise that the transfer length specified in * the read/write scsi cdb will match exactly DMA resources - * returning correct packet residue is crucial. */ if ((rval = sata_dma_buf_setup(spx, flags, callback, arg, &cur_dma_attr)) != DDI_SUCCESS) { /* * If a DMA allocation request fails with * DDI_DMA_NOMAPPING, indicate the error by calling * bioerror(9F) with bp and an error code of EFAULT. * If a DMA allocation request fails with * DDI_DMA_TOOBIG, indicate the error by calling * bioerror(9F) with bp and an error code of EINVAL. * For DDI_DMA_NORESOURCES, we may have some of them allocated. * Request may be repeated later - there is no real error. */ switch (rval) { case DDI_DMA_NORESOURCES: bioerror(bp, 0); break; case DDI_DMA_NOMAPPING: case DDI_DMA_BADATTR: bioerror(bp, EFAULT); break; case DDI_DMA_TOOBIG: default: bioerror(bp, EINVAL); break; } goto fail; } if (sata_check_for_dma_error(dip, spx)) { ddi_fm_service_impact(dip, DDI_SERVICE_UNAFFECTED); bioerror(bp, EFAULT); goto fail; } success: /* Set number of bytes that are not yet accounted for */ pkt->pkt_resid = spx->txlt_total_residue; ASSERT(pkt->pkt_resid >= 0); return (pkt); fail: if (new_pkt == B_TRUE) { /* * Since this is a new packet, we can clean-up * everything */ sata_scsi_destroy_pkt(ap, pkt); } else { /* * This is a re-used packet. It will be target driver's * responsibility to eventually destroy it (which * will free allocated resources). * Here, we just "complete" the request, leaving * allocated resources intact, so the request may * be retried. */ spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; sata_pkt_free(spx); } return (NULL); } /* * Implementation of scsi tran_start. * Translate scsi cmd into sata operation and return status. * ATAPI CDBs are passed to ATAPI devices - the device determines what commands * are supported. * For SATA hard disks, supported scsi commands: * SCMD_INQUIRY * SCMD_TEST_UNIT_READY * SCMD_START_STOP * SCMD_READ_CAPACITY * SCMD_SVC_ACTION_IN_G4 (READ CAPACITY (16)) * SCMD_REQUEST_SENSE * SCMD_LOG_SENSE_G1 * SCMD_LOG_SELECT_G1 * SCMD_MODE_SENSE (specific pages) * SCMD_MODE_SENSE_G1 (specific pages) * SCMD_MODE_SELECT (specific pages) * SCMD_MODE_SELECT_G1 (specific pages) * SCMD_SYNCHRONIZE_CACHE * SCMD_SYNCHRONIZE_CACHE_G1 * SCMD_READ * SCMD_READ_G1 * SCMD_READ_G4 * SCMD_READ_G5 * SCMD_WRITE * SCMD_WRITE_BUFFER * SCMD_WRITE_G1 * SCMD_WRITE_G4 * SCMD_WRITE_G5 * SCMD_SEEK (noop) * SCMD_SDIAG * * All other commands are rejected as unsupported. * * Returns: * TRAN_ACCEPT if command was executed successfully or accepted by HBA driver * for execution. TRAN_ACCEPT may be returned also if device was removed but * a callback could be scheduled. * TRAN_BADPKT if cmd was directed to invalid address. * TRAN_FATAL_ERROR is command was rejected due to hardware error, including * some unspecified error. TRAN_FATAL_ERROR may be also returned if a device * was removed and there was no callback specified in scsi pkt. * TRAN_BUSY if command could not be executed becasue HBA driver or SATA * framework was busy performing some other operation(s). * */ static int sata_scsi_start(struct scsi_address *ap, struct scsi_pkt *pkt) { sata_hba_inst_t *sata_hba_inst = (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; sata_device_t *sdevice = &spx->txlt_sata_pkt->satapkt_device; sata_drive_info_t *sdinfo; struct buf *bp; uint8_t cport, pmport; boolean_t dev_gone = B_FALSE; int rval; SATADBG1(SATA_DBG_SCSI_IF, sata_hba_inst, "sata_scsi_start: cmd 0x%02x\n", pkt->pkt_cdbp[0]); ASSERT(spx != NULL && spx->txlt_scsi_pkt == pkt && spx->txlt_sata_pkt != NULL); cport = SCSI_TO_SATA_CPORT(ap->a_target); pmport = SCSI_TO_SATA_PMPORT(ap->a_target); mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); if (sdevice->satadev_addr.qual == SATA_ADDR_DCPORT) { sdinfo = sata_get_device_info(sata_hba_inst, sdevice); if (sdinfo == NULL || SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_tgtnode_clean == B_FALSE || (sdinfo->satadrv_state & SATA_DSTATE_FAILED) != 0) { dev_gone = B_TRUE; } } else if (sdevice->satadev_addr.qual == SATA_ADDR_DPMPORT) { if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) != SATA_DTYPE_PMULT || SATA_PMULT_INFO(sata_hba_inst, cport) == NULL) { dev_gone = B_TRUE; } else if (SATA_PMPORT_INFO(sata_hba_inst, cport, pmport) == NULL) { dev_gone = B_TRUE; } else { mutex_enter(&(SATA_PMPORT_MUTEX(sata_hba_inst, cport, pmport))); sdinfo = sata_get_device_info(sata_hba_inst, sdevice); if (sdinfo == NULL || SATA_PMPORT_INFO(sata_hba_inst, cport, pmport)-> pmport_tgtnode_clean == B_FALSE || (sdinfo->satadrv_state & SATA_DSTATE_FAILED) != 0) { dev_gone = B_TRUE; } mutex_exit(&(SATA_PMPORT_MUTEX(sata_hba_inst, cport, pmport))); } } if (dev_gone == B_TRUE) { mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); pkt->pkt_reason = CMD_DEV_GONE; /* * The sd target driver is checking CMD_DEV_GONE pkt_reason * only in callback function (for normal requests) and * in the dump code path. * So, if the callback is available, we need to do * the callback rather than returning TRAN_FATAL_ERROR here. */ if (pkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } return (TRAN_ACCEPT); } /* No callback available */ return (TRAN_FATAL_ERROR); } if (sdinfo->satadrv_type & SATA_DTYPE_ATAPI) { mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); rval = sata_txlt_atapi(spx); SATADBG1(SATA_DBG_SCSI_IF, sata_hba_inst, "sata_scsi_start atapi: rval %d\n", rval); return (rval); } mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); /* * Checking for power state, if it was on * STOPPED state, then the drive is not capable * of processing media access command. And * TEST_UNIT_READY, REQUEST_SENSE has special handling * in the function for different power state. */ if (((sdinfo->satadrv_power_level == SATA_POWER_STANDBY) || (sdinfo->satadrv_power_level == SATA_POWER_STOPPED)) && (SATA_IS_MEDIUM_ACCESS_CMD(pkt->pkt_cdbp[0]))) { return (sata_txlt_check_condition(spx, KEY_NOT_READY, SD_SCSI_ASC_LU_NOT_READY)); } /* ATA Disk commands processing starts here */ bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; switch (pkt->pkt_cdbp[0]) { case SCMD_INQUIRY: /* Mapped to identify device */ if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) bp_mapin(bp); rval = sata_txlt_inquiry(spx); break; case SCMD_TEST_UNIT_READY: /* * SAT "SATA to ATA Translation" doc specifies translation * to ATA CHECK POWER MODE. */ rval = sata_txlt_test_unit_ready(spx); break; case SCMD_START_STOP: /* Mapping depends on the command */ rval = sata_txlt_start_stop_unit(spx); break; case SCMD_READ_CAPACITY: if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) bp_mapin(bp); rval = sata_txlt_read_capacity(spx); break; case SCMD_SVC_ACTION_IN_G4: /* READ CAPACITY (16) */ if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) bp_mapin(bp); rval = sata_txlt_read_capacity16(spx); break; case SCMD_REQUEST_SENSE: /* * Always No Sense, since we force ARQ */ if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) bp_mapin(bp); rval = sata_txlt_request_sense(spx); break; case SCMD_LOG_SENSE_G1: if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) bp_mapin(bp); rval = sata_txlt_log_sense(spx); break; case SCMD_LOG_SELECT_G1: if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) bp_mapin(bp); rval = sata_txlt_log_select(spx); break; case SCMD_MODE_SENSE: case SCMD_MODE_SENSE_G1: if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) bp_mapin(bp); rval = sata_txlt_mode_sense(spx); break; case SCMD_MODE_SELECT: case SCMD_MODE_SELECT_G1: if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) bp_mapin(bp); rval = sata_txlt_mode_select(spx); break; case SCMD_SYNCHRONIZE_CACHE: case SCMD_SYNCHRONIZE_CACHE_G1: rval = sata_txlt_synchronize_cache(spx); break; case SCMD_READ: case SCMD_READ_G1: case SCMD_READ_G4: case SCMD_READ_G5: rval = sata_txlt_read(spx); break; case SCMD_WRITE_BUFFER: if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) bp_mapin(bp); rval = sata_txlt_write_buffer(spx); break; case SCMD_WRITE: case SCMD_WRITE_G1: case SCMD_WRITE_G4: case SCMD_WRITE_G5: rval = sata_txlt_write(spx); break; case SCMD_SEEK: rval = sata_txlt_nodata_cmd_immediate(spx); break; case SPC3_CMD_ATA_COMMAND_PASS_THROUGH12: case SPC3_CMD_ATA_COMMAND_PASS_THROUGH16: if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) bp_mapin(bp); rval = sata_txlt_ata_pass_thru(spx); break; /* Other cases will be filed later */ /* postponed until phase 2 of the development */ case SPC3_CMD_UNMAP: if (bp != NULL && (bp->b_flags & (B_PHYS | B_PAGEIO))) bp_mapin(bp); rval = sata_txlt_unmap(spx); break; default: rval = sata_txlt_invalid_command(spx); break; } SATADBG1(SATA_DBG_SCSI_IF, sata_hba_inst, "sata_scsi_start: rval %d\n", rval); return (rval); } /* * Implementation of scsi tran_abort. * Abort specific pkt or all packets. * * Returns 1 if one or more packets were aborted, returns 0 otherwise * * May be called from an interrupt level. */ static int sata_scsi_abort(struct scsi_address *ap, struct scsi_pkt *scsi_pkt) { sata_hba_inst_t *sata_hba_inst = (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); sata_device_t sata_device; sata_pkt_t *sata_pkt; SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, "sata_scsi_abort: %s at target: 0x%x\n", scsi_pkt == NULL ? "all packets" : "one pkt", ap->a_target); /* Validate address */ if (sata_validate_scsi_address(sata_hba_inst, ap, &sata_device) != 0) /* Invalid address */ return (0); mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); if (sata_get_device_info(sata_hba_inst, &sata_device) == NULL) { /* invalid address */ mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); return (0); } if (scsi_pkt == NULL) { /* * Abort all packets. * Although we do not have specific packet, we still need * dummy packet structure to pass device address to HBA. * Allocate one, without sleeping. Fail if pkt cannot be * allocated. */ sata_pkt = kmem_zalloc(sizeof (sata_pkt_t), KM_NOSLEEP); if (sata_pkt == NULL) { mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_pkt_abort: " "could not allocate sata_pkt")); return (0); } sata_pkt->satapkt_rev = SATA_PKT_REV; sata_pkt->satapkt_device = sata_device; sata_pkt->satapkt_device.satadev_rev = SATA_DEVICE_REV; } else { if (scsi_pkt->pkt_ha_private == NULL) { mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); return (0); /* Bad scsi pkt */ } /* extract pointer to sata pkt */ sata_pkt = ((sata_pkt_txlate_t *)scsi_pkt->pkt_ha_private)-> txlt_sata_pkt; } mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); /* Send abort request to HBA */ if ((*SATA_ABORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_pkt, scsi_pkt == NULL ? SATA_ABORT_ALL_PACKETS : SATA_ABORT_PACKET) == SATA_SUCCESS) { if (scsi_pkt == NULL) kmem_free(sata_pkt, sizeof (sata_pkt_t)); /* Success */ return (1); } /* Else, something did not go right */ if (scsi_pkt == NULL) kmem_free(sata_pkt, sizeof (sata_pkt_t)); /* Failure */ return (0); } /* * Implementation of scsi tran_reset. * RESET_ALL request is translated into port reset. * RESET_TARGET requests is translated into a device reset, * RESET_LUN request is accepted only for LUN 0 and translated into * device reset. * The target reset should cause all HBA active and queued packets to * be terminated and returned with pkt reason SATA_PKT_RESET prior to * the return. HBA should report reset event for the device. * * Returns 1 upon success, 0 upon failure. */ static int sata_scsi_reset(struct scsi_address *ap, int level) { sata_hba_inst_t *sata_hba_inst = (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); sata_device_t sata_device; int val; SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, "sata_scsi_reset: level %d target: 0x%x\n", level, ap->a_target); /* Validate address */ val = sata_validate_scsi_address(sata_hba_inst, ap, &sata_device); if (val == -1) /* Invalid address */ return (0); mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); if (sata_get_device_info(sata_hba_inst, &sata_device) == NULL) { /* invalid address */ mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); return (0); } mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); if (level == RESET_ALL) { /* port reset */ if (sata_device.satadev_addr.qual == SATA_ADDR_DCPORT) sata_device.satadev_addr.qual = SATA_ADDR_CPORT; else sata_device.satadev_addr.qual = SATA_ADDR_PMPORT; if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device) == SATA_SUCCESS) return (1); else return (0); } else if (val == 0 && (level == RESET_TARGET || level == RESET_LUN)) { /* reset device (device attached) */ if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device) == SATA_SUCCESS) return (1); else return (0); } return (0); } /* * Implementation of scsi tran_getcap (get transport/device capabilities). * Supported capabilities for SATA hard disks: * auto-rqsense (always supported) * tagged-qing (supported if HBA supports it) * untagged-qing (could be supported if disk supports it, but because * caching behavior allowing untagged queuing actually * results in reduced performance. sd tries to throttle * back to only 3 outstanding commands, which may * work for real SCSI disks, but with read ahead * caching, having more than 1 outstanding command * results in cache thrashing.) * sector_size * dma_max * interconnect-type (INTERCONNECT_SATA) * * Supported capabilities for ATAPI CD/DVD devices: * auto-rqsense (always supported) * sector_size * dma_max * max-cdb-length * interconnect-type (INTERCONNECT_SATA) * * Supported capabilities for ATAPI TAPE devices: * auto-rqsense (always supported) * dma_max * max-cdb-length * * Supported capabilities for SATA ATAPI hard disks: * auto-rqsense (always supported) * interconnect-type (INTERCONNECT_SATA) * max-cdb-length * * Request for other capabilities is rejected as unsupported. * * Returns supported capability value, or -1 if capability is unsuppported or * the address is invalid - no device. */ static int sata_scsi_getcap(struct scsi_address *ap, char *cap, int whom) { sata_hba_inst_t *sata_hba_inst = (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); sata_device_t sata_device; sata_drive_info_t *sdinfo; ddi_dma_attr_t adj_dma_attr; int rval; SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, "sata_scsi_getcap: target: 0x%x, cap: %s\n", ap->a_target, cap); /* * We want to process the capabilities on per port granularity. * So, we are specifically restricting ourselves to whom != 0 * to exclude the controller wide handling. */ if (cap == NULL || whom == 0) return (-1); if (sata_validate_scsi_address(sata_hba_inst, ap, &sata_device) != 0) { /* Invalid address */ return (-1); } mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); if ((sdinfo = sata_get_device_info(sata_hba_inst, &sata_device)) == NULL) { /* invalid address */ mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); return (-1); } switch (scsi_hba_lookup_capstr(cap)) { case SCSI_CAP_ARQ: rval = 1; /* ARQ supported, turned on */ break; case SCSI_CAP_SECTOR_SIZE: if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) rval = SATA_DISK_SECTOR_SIZE; /* fixed size */ else if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD) rval = SATA_ATAPI_SECTOR_SIZE; else rval = -1; break; /* * untagged queuing cause a performance inversion because of * the way sd operates. Because of this reason we do not * use it when available. */ case SCSI_CAP_UNTAGGED_QING: if (sdinfo->satadrv_features_enabled & SATA_DEV_F_E_UNTAGGED_QING) rval = 1; /* Untagged queuing available */ else rval = -1; /* Untagged queuing not available */ break; case SCSI_CAP_TAGGED_QING: if ((sdinfo->satadrv_features_enabled & SATA_DEV_F_E_TAGGED_QING) && (sdinfo->satadrv_max_queue_depth > 1)) rval = 1; /* Tagged queuing available */ else rval = -1; /* Tagged queuing not available */ break; case SCSI_CAP_DMA_MAX: sata_adjust_dma_attr(sdinfo, SATA_DMA_ATTR(sata_hba_inst), &adj_dma_attr); rval = (int)adj_dma_attr.dma_attr_maxxfer; /* We rely on the fact that dma_attr_maxxfer < 0x80000000 */ break; case SCSI_CAP_INTERCONNECT_TYPE: rval = INTERCONNECT_SATA; /* SATA interconnect type */ break; case SCSI_CAP_CDB_LEN: if (sdinfo->satadrv_type & SATA_DTYPE_ATAPI) rval = sdinfo->satadrv_atapi_cdb_len; else rval = -1; break; default: rval = -1; break; } mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); return (rval); } /* * Implementation of scsi tran_setcap * * Only SCSI_CAP_UNTAGGED_QING and SCSI_CAP_TAGGED_QING are changeable. * */ static int sata_scsi_setcap(struct scsi_address *ap, char *cap, int value, int whom) { sata_hba_inst_t *sata_hba_inst = (sata_hba_inst_t *)(ap->a_hba_tran->tran_hba_private); sata_device_t sata_device; sata_drive_info_t *sdinfo; int rval; SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, "sata_scsi_setcap: target: 0x%x, cap: %s\n", ap->a_target, cap); /* * We want to process the capabilities on per port granularity. * So, we are specifically restricting ourselves to whom != 0 * to exclude the controller wide handling. */ if (cap == NULL || whom == 0) { return (-1); } if (sata_validate_scsi_address(sata_hba_inst, ap, &sata_device) != 0) { /* Invalid address */ return (-1); } mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); if ((sdinfo = sata_get_device_info(sata_hba_inst, &sata_device)) == NULL) { /* invalid address */ mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); return (-1); } mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device.satadev_addr.cport))); switch (scsi_hba_lookup_capstr(cap)) { case SCSI_CAP_ARQ: case SCSI_CAP_SECTOR_SIZE: case SCSI_CAP_DMA_MAX: case SCSI_CAP_INTERCONNECT_TYPE: rval = 0; break; case SCSI_CAP_UNTAGGED_QING: if (SATA_QDEPTH(sata_hba_inst) > 1) { rval = 1; if (value == 1) { sdinfo->satadrv_features_enabled |= SATA_DEV_F_E_UNTAGGED_QING; } else if (value == 0) { sdinfo->satadrv_features_enabled &= ~SATA_DEV_F_E_UNTAGGED_QING; } else { rval = -1; } } else { rval = 0; } break; case SCSI_CAP_TAGGED_QING: /* This can TCQ or NCQ */ if (sata_func_enable & SATA_ENABLE_QUEUING && ((sdinfo->satadrv_features_support & SATA_DEV_F_TCQ && SATA_FEATURES(sata_hba_inst) & SATA_CTLF_QCMD) || (sata_func_enable & SATA_ENABLE_NCQ && sdinfo->satadrv_features_support & SATA_DEV_F_NCQ && SATA_FEATURES(sata_hba_inst) & SATA_CTLF_NCQ)) && (sdinfo->satadrv_max_queue_depth > 1)) { rval = 1; if (value == 1) { sdinfo->satadrv_features_enabled |= SATA_DEV_F_E_TAGGED_QING; } else if (value == 0) { sdinfo->satadrv_features_enabled &= ~SATA_DEV_F_E_TAGGED_QING; } else { rval = -1; } } else { rval = 0; } break; default: rval = -1; break; } return (rval); } /* * Implementations of scsi tran_destroy_pkt. * Free resources allocated by sata_scsi_init_pkt() */ static void sata_scsi_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) { sata_pkt_txlate_t *spx; spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; sata_common_free_dma_rsrcs(spx); spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; sata_pkt_free(spx); scsi_hba_pkt_free(ap, pkt); } /* * Implementation of scsi tran_dmafree. * Free DMA resources allocated by sata_scsi_init_pkt() */ static void sata_scsi_dmafree(struct scsi_address *ap, struct scsi_pkt *pkt) { #ifndef __lock_lint _NOTE(ARGUNUSED(ap)) #endif sata_pkt_txlate_t *spx; ASSERT(pkt != NULL); spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; sata_common_free_dma_rsrcs(spx); } /* * Implementation of scsi tran_sync_pkt. * * The assumption below is that pkt is unique - there is no need to check ap * * Synchronize DMA buffer and, if the intermediate buffer is used, copy data * into/from the real buffer. */ static void sata_scsi_sync_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) { #ifndef __lock_lint _NOTE(ARGUNUSED(ap)) #endif int rval; sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)pkt->pkt_ha_private; struct buf *bp; int direction; ASSERT(spx != NULL); if (spx->txlt_buf_dma_handle != NULL) { direction = spx->txlt_sata_pkt-> satapkt_cmd.satacmd_flags.sata_data_direction; if (spx->txlt_sata_pkt != NULL && direction != SATA_DIR_NODATA_XFER) { if (spx->txlt_tmp_buf != NULL) { /* Intermediate DMA buffer used */ bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; if (direction & SATA_DIR_WRITE) { bcopy(bp->b_un.b_addr, spx->txlt_tmp_buf, bp->b_bcount); } } /* Sync the buffer for device or for CPU */ rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, (direction & SATA_DIR_WRITE) ? DDI_DMA_SYNC_FORDEV : DDI_DMA_SYNC_FORCPU); ASSERT(rval == DDI_SUCCESS); if (spx->txlt_tmp_buf != NULL && !(direction & SATA_DIR_WRITE)) { /* Intermediate DMA buffer used for read */ bcopy(spx->txlt_tmp_buf, bp->b_un.b_addr, bp->b_bcount); } } } } /* ******************* SATA - SCSI Translation functions **************** */ /* * SCSI to SATA pkt and command translation and SATA to SCSI status/error * translation. */ /* * Checks if a device exists and can be access and translates common * scsi_pkt data to sata_pkt data. * * Flag argument indicates that a non-read/write ATA command may be sent * to HBA in arbitrary SYNC mode to execute this packet. * * Returns TRAN_ACCEPT and scsi pkt_reason CMD_CMPLT if device exists and * sata_pkt was set-up. * Returns TRAN_ACCEPT and scsi pkt_reason CMD_DEV_GONE if device does not * exist and pkt_comp callback was scheduled. * Returns other TRAN_XXXXX values when error occured and command should be * rejected with the returned TRAN_XXXXX value. * * This function should be called with port mutex held. */ static int sata_txlt_generic_pkt_info(sata_pkt_txlate_t *spx, int *reason, int flag) { sata_drive_info_t *sdinfo; sata_device_t sata_device; const struct sata_cmd_flags sata_initial_cmd_flags = { SATA_DIR_NODATA_XFER, /* all other values to 0/FALSE */ }; /* * Pkt_reason has to be set if the pkt_comp callback is invoked, * and that implies TRAN_ACCEPT return value. Any other returned value * indicates that the scsi packet was not accepted (the reason will not * be checked by the scsi target driver). * To make debugging easier, we set pkt_reason to know value here. * It may be changed later when different completion reason is * determined. */ spx->txlt_scsi_pkt->pkt_reason = CMD_TRAN_ERR; *reason = CMD_TRAN_ERR; /* Validate address */ switch (sata_validate_scsi_address(spx->txlt_sata_hba_inst, &spx->txlt_scsi_pkt->pkt_address, &sata_device)) { case -1: /* Invalid address or invalid device type */ return (TRAN_BADPKT); case 2: /* * Valid address but device type is unknown - Chack if it is * in the reset state and therefore in an indeterminate state. */ sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); if (sdinfo != NULL && (sdinfo->satadrv_event_flags & (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) != 0) { if (!ddi_in_panic()) { spx->txlt_scsi_pkt->pkt_reason = CMD_INCOMPLETE; *reason = CMD_INCOMPLETE; SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_scsi_start: rejecting command " "because of device reset state\n", NULL); return (TRAN_BUSY); } } /* FALLTHROUGH */ case 1: /* valid address but no valid device - it has disappeared */ spx->txlt_scsi_pkt->pkt_reason = CMD_DEV_GONE; *reason = CMD_DEV_GONE; /* * The sd target driver is checking CMD_DEV_GONE pkt_reason * only in callback function (for normal requests) and * in the dump code path. * So, if the callback is available, we need to do * the callback rather than returning TRAN_FATAL_ERROR here. */ if (spx->txlt_scsi_pkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } return (TRAN_ACCEPT); } return (TRAN_FATAL_ERROR); default: /* all OK; pkt reason will be overwritten later */ break; } /* * If pkt is to be executed in polling mode and a command will not be * emulated in SATA module (requires sending a non-read/write ATA * command to HBA driver in arbitrary SYNC mode) and we are in the * interrupt context and not in the panic dump, then reject the packet * to avoid a possible interrupt stack overrun or hang caused by * a potentially blocked interrupt. */ if (((spx->txlt_scsi_pkt->pkt_flags & FLAG_NOINTR) != 0 || flag != 0) && servicing_interrupt() && !ddi_in_panic()) { SATADBG1(SATA_DBG_INTR_CTX, spx->txlt_sata_hba_inst, "sata_scsi_start: rejecting synchronous command because " "of interrupt context\n", NULL); return (TRAN_BUSY); } sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); /* * If device is in reset condition, reject the packet with * TRAN_BUSY, unless: * 1. system is panicking (dumping) * In such case only one thread is running and there is no way to * process reset. * 2. cfgadm operation is is progress (internal APCTL lock is set) * Some cfgadm operations involve drive commands, so reset condition * needs to be ignored for IOCTL operations. */ if ((sdinfo->satadrv_event_flags & (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) != 0) { if (!ddi_in_panic() && ((SATA_CPORT_EVENT_FLAGS(spx->txlt_sata_hba_inst, sata_device.satadev_addr.cport) & SATA_APCTL_LOCK_PORT_BUSY) == 0)) { spx->txlt_scsi_pkt->pkt_reason = CMD_INCOMPLETE; *reason = CMD_INCOMPLETE; SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_scsi_start: rejecting command because " "of device reset state\n", NULL); return (TRAN_BUSY); } } /* * Fix the dev_type in the sata_pkt->satapkt_device. It was not set by * sata_scsi_pkt_init() because pkt init had to work also with * non-existing devices. * Now we know that the packet was set-up for a real device, so its * type is known. */ spx->txlt_sata_pkt->satapkt_device.satadev_type = sdinfo->satadrv_type; spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags = sata_initial_cmd_flags; if ((SATA_CPORT_INFO(spx->txlt_sata_hba_inst, sata_device.satadev_addr.cport)->cport_event_flags & SATA_APCTL_LOCK_PORT_BUSY) != 0) { spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags. sata_ignore_dev_reset = B_TRUE; } /* * At this point the generic translation routine determined that the * scsi packet should be accepted. Packet completion reason may be * changed later when a different completion reason is determined. */ spx->txlt_scsi_pkt->pkt_reason = CMD_CMPLT; *reason = CMD_CMPLT; if ((spx->txlt_scsi_pkt->pkt_flags & FLAG_NOINTR) != 0) { /* Synchronous execution */ spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_POLLING; spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags. sata_ignore_dev_reset = ddi_in_panic(); } else { /* Asynchronous execution */ spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_ASYNCH | SATA_OPMODE_INTERRUPTS; } /* Convert queuing information */ if (spx->txlt_scsi_pkt->pkt_flags & FLAG_STAG) spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags.sata_queue_stag = B_TRUE; else if (spx->txlt_scsi_pkt->pkt_flags & (FLAG_OTAG | FLAG_HTAG | FLAG_HEAD)) spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags.sata_queue_otag = B_TRUE; /* Always limit pkt time */ if (spx->txlt_scsi_pkt->pkt_time == 0) spx->txlt_sata_pkt->satapkt_time = sata_default_pkt_time; else /* Pass on scsi_pkt time */ spx->txlt_sata_pkt->satapkt_time = spx->txlt_scsi_pkt->pkt_time; return (TRAN_ACCEPT); } /* * Translate ATA Identify Device data to SCSI Inquiry data. * This function may be called only for ATA devices. * This function should not be called for ATAPI devices - they * respond directly to SCSI Inquiry command. * * SATA Identify Device data has to be valid in sata_drive_info. * Buffer has to accomodate the inquiry length (36 bytes). * * This function should be called with a port mutex held. */ static void sata_identdev_to_inquiry(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo, uint8_t *buf) { struct scsi_inquiry *inq = (struct scsi_inquiry *)buf; struct sata_id *sid = &sdinfo->satadrv_id; /* Start with a nice clean slate */ bzero((void *)inq, sizeof (struct scsi_inquiry)); /* * Rely on the dev_type for setting paripheral qualifier. * Assume that DTYPE_RODIRECT applies to CD/DVD R/W devices. * It could be that DTYPE_OPTICAL could also qualify in the future. * ATAPI Inquiry may provide more data to the target driver. */ inq->inq_dtype = sdinfo->satadrv_type == SATA_DTYPE_ATADISK ? DTYPE_DIRECT : DTYPE_RODIRECT; /* DTYPE_UNKNOWN; */ /* CFA type device is not a removable media device */ inq->inq_rmb = ((sid->ai_config != SATA_CFA_TYPE) && (sid->ai_config & SATA_REM_MEDIA)) ? 1 : 0; inq->inq_qual = 0; /* Device type qualifier (obsolete in SCSI3? */ inq->inq_iso = 0; /* ISO version */ inq->inq_ecma = 0; /* ECMA version */ inq->inq_ansi = 3; /* ANSI version - SCSI 3 */ inq->inq_aenc = 0; /* Async event notification cap. */ inq->inq_trmiop = 0; /* Supports TERMINATE I/O PROC msg - NO */ inq->inq_normaca = 0; /* setting NACA bit supported - NO */ inq->inq_rdf = RDF_SCSI2; /* Response data format- SPC-3 */ inq->inq_len = 31; /* Additional length */ inq->inq_dualp = 0; /* dual port device - NO */ inq->inq_reladdr = 0; /* Supports relative addressing - NO */ inq->inq_sync = 0; /* Supports synchronous data xfers - NO */ inq->inq_linked = 0; /* Supports linked commands - NO */ /* * Queuing support - controller has to * support some sort of command queuing. */ if (SATA_QDEPTH(sata_hba_inst) > 1) inq->inq_cmdque = 1; /* Supports command queueing - YES */ else inq->inq_cmdque = 0; /* Supports command queueing - NO */ inq->inq_sftre = 0; /* Supports Soft Reset option - NO ??? */ inq->inq_wbus32 = 0; /* Supports 32 bit wide data xfers - NO */ inq->inq_wbus16 = 0; /* Supports 16 bit wide data xfers - NO */ #ifdef _LITTLE_ENDIAN /* Swap text fields to match SCSI format */ bcopy("ATA ", inq->inq_vid, 8); /* Vendor ID */ swab(sid->ai_model, inq->inq_pid, 16); /* Product ID */ if (strncmp(&sid->ai_fw[4], " ", 4) == 0) swab(sid->ai_fw, inq->inq_revision, 4); /* Revision level */ else swab(&sid->ai_fw[4], inq->inq_revision, 4); /* Rev. level */ #else /* _LITTLE_ENDIAN */ bcopy("ATA ", inq->inq_vid, 8); /* Vendor ID */ bcopy(sid->ai_model, inq->inq_pid, 16); /* Product ID */ if (strncmp(&sid->ai_fw[4], " ", 4) == 0) bcopy(sid->ai_fw, inq->inq_revision, 4); /* Revision level */ else bcopy(&sid->ai_fw[4], inq->inq_revision, 4); /* Rev. level */ #endif /* _LITTLE_ENDIAN */ } /* * Scsi response set up for invalid command (command not supported) * * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. */ static int sata_txlt_invalid_command(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct scsi_extended_sense *sense; scsipkt->pkt_reason = CMD_CMPLT; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_COMMAND_CODE; SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (TRAN_ACCEPT); } /* * Scsi response set up for check condition with special sense key * and additional sense code. * * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. */ static int sata_txlt_check_condition(sata_pkt_txlate_t *spx, uchar_t key, uchar_t code) { sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); int cport = SATA_TXLT_CPORT(spx); struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct scsi_extended_sense *sense; mutex_enter(&SATA_CPORT_MUTEX(shi, cport)); scsipkt->pkt_reason = CMD_CMPLT; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = key; sense->es_add_code = code; mutex_exit(&SATA_CPORT_MUTEX(shi, cport)); SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (TRAN_ACCEPT); } /* * Scsi response setup for * emulated non-data command that requires no action/return data * * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. */ static int sata_txlt_nodata_cmd_immediate(sata_pkt_txlate_t *spx) { int rval; int reason; kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); mutex_enter(cport_mutex); if (((rval = sata_txlt_generic_pkt_info(spx, &reason, 0)) != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); return (rval); } mutex_exit(cport_mutex); spx->txlt_scsi_pkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; spx->txlt_scsi_pkt->pkt_reason = CMD_CMPLT; *(spx->txlt_scsi_pkt->pkt_scbp) = STATUS_GOOD; SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Scsi_pkt completion reason %x\n", spx->txlt_scsi_pkt->pkt_reason); if ((spx->txlt_scsi_pkt->pkt_flags & FLAG_NOINTR) == 0 && spx->txlt_scsi_pkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (TRAN_ACCEPT); } /* * SATA translate command: Inquiry / Identify Device * Use cached Identify Device data for now, rather than issuing actual * Device Identify cmd request. If device is detached and re-attached, * asynchronous event processing should fetch and refresh Identify Device * data. * VPD pages supported now: * Vital Product Data page * Unit Serial Number page * Block Device Characteristics Page * ATA Information Page * * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. */ #define EVPD 1 /* Extended Vital Product Data flag */ #define CMDDT 2 /* Command Support Data - Obsolete */ #define INQUIRY_SUP_VPD_PAGE 0 /* Supported VPD Pages Page Code */ #define INQUIRY_USN_PAGE 0x80 /* Unit Serial Number Page Code */ #define INQUIRY_BDC_PAGE 0xB1 /* Block Device Characteristics Page */ /* Code */ #define INQUIRY_ATA_INFO_PAGE 0x89 /* ATA Information Page Code */ #define INQUIRY_DEV_IDENTIFICATION_PAGE 0x83 /* Not needed yet */ static int sata_txlt_inquiry(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; sata_drive_info_t *sdinfo; struct scsi_extended_sense *sense; int count; uint8_t *p; int i, j; uint8_t page_buf[1024]; /* Max length */ int rval, reason; ushort_t rate; kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); mutex_enter(cport_mutex); if (((rval = sata_txlt_generic_pkt_info(spx, &reason, 0)) != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); return (rval); } sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); ASSERT(sdinfo != NULL); scsipkt->pkt_reason = CMD_CMPLT; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; /* Reject not supported request */ if (scsipkt->pkt_cdbp[1] & CMDDT) { /* No support for this bit */ *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; goto done; } /* Valid Inquiry request */ *scsipkt->pkt_scbp = STATUS_GOOD; if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { /* * Because it is fully emulated command storing data * programatically in the specified buffer, release * preallocated DMA resources before storing data in the buffer, * so no unwanted DMA sync would take place. */ sata_scsi_dmafree(NULL, scsipkt); if (!(scsipkt->pkt_cdbp[1] & EVPD)) { /* Standard Inquiry Data request */ struct scsi_inquiry inq; unsigned int bufsize; sata_identdev_to_inquiry(spx->txlt_sata_hba_inst, sdinfo, (uint8_t *)&inq); /* Copy no more than requested */ count = MIN(bp->b_bcount, sizeof (struct scsi_inquiry)); bufsize = scsipkt->pkt_cdbp[4]; bufsize |= scsipkt->pkt_cdbp[3] << 8; count = MIN(count, bufsize); bcopy(&inq, bp->b_un.b_addr, count); scsipkt->pkt_state |= STATE_XFERRED_DATA; scsipkt->pkt_resid = scsipkt->pkt_cdbp[4] > count ? bufsize - count : 0; } else { /* * peripheral_qualifier = 0; * * We are dealing only with HD and will be * dealing with CD/DVD devices soon */ uint8_t peripheral_device_type = sdinfo->satadrv_type == SATA_DTYPE_ATADISK ? DTYPE_DIRECT : DTYPE_RODIRECT; bzero(page_buf, sizeof (page_buf)); switch ((uint_t)scsipkt->pkt_cdbp[2]) { case INQUIRY_SUP_VPD_PAGE: /* * Request for supported Vital Product Data * pages. */ page_buf[0] = peripheral_device_type; page_buf[1] = INQUIRY_SUP_VPD_PAGE; page_buf[2] = 0; page_buf[3] = 4; /* page length */ page_buf[4] = INQUIRY_SUP_VPD_PAGE; page_buf[5] = INQUIRY_USN_PAGE; page_buf[6] = INQUIRY_BDC_PAGE; page_buf[7] = INQUIRY_ATA_INFO_PAGE; /* Copy no more than requested */ count = MIN(bp->b_bcount, 8); bcopy(page_buf, bp->b_un.b_addr, count); break; case INQUIRY_USN_PAGE: /* * Request for Unit Serial Number page. * Set-up the page. */ page_buf[0] = peripheral_device_type; page_buf[1] = INQUIRY_USN_PAGE; page_buf[2] = 0; /* remaining page length */ page_buf[3] = SATA_ID_SERIAL_LEN; /* * Copy serial number from Identify Device data * words into the inquiry page and swap bytes * when necessary. */ p = (uint8_t *)(sdinfo->satadrv_id.ai_drvser); #ifdef _LITTLE_ENDIAN swab(p, &page_buf[4], SATA_ID_SERIAL_LEN); #else bcopy(p, &page_buf[4], SATA_ID_SERIAL_LEN); #endif /* * Least significant character of the serial * number shall appear as the last byte, * according to SBC-3 spec. * Count trailing spaces to determine the * necessary shift length. */ p = &page_buf[SATA_ID_SERIAL_LEN + 4 - 1]; for (j = 0; j < SATA_ID_SERIAL_LEN; j++) { if (*(p - j) != '\0' && *(p - j) != '\040') break; } /* * Shift SN string right, so that the last * non-blank character would appear in last * byte of SN field in the page. * 'j' is the shift length. */ for (i = 0; i < (SATA_ID_SERIAL_LEN - j) && j != 0; i++, p--) *p = *(p - j); /* * Add leading spaces - same number as the * shift size */ for (; j > 0; j--) page_buf[4 + j - 1] = '\040'; count = MIN(bp->b_bcount, SATA_ID_SERIAL_LEN + 4); bcopy(page_buf, bp->b_un.b_addr, count); break; case INQUIRY_BDC_PAGE: /* * Request for Block Device Characteristics * page. Set-up the page. */ page_buf[0] = peripheral_device_type; page_buf[1] = INQUIRY_BDC_PAGE; page_buf[2] = 0; /* remaining page length */ page_buf[3] = SATA_ID_BDC_LEN; rate = sdinfo->satadrv_id.ai_medrotrate; page_buf[4] = (rate >> 8) & 0xff; page_buf[5] = rate & 0xff; page_buf[6] = 0; page_buf[7] = sdinfo->satadrv_id. ai_nomformfactor & 0xf; count = MIN(bp->b_bcount, SATA_ID_BDC_LEN + 4); bcopy(page_buf, bp->b_un.b_addr, count); break; case INQUIRY_ATA_INFO_PAGE: /* * Request for ATA Information page. */ page_buf[0] = peripheral_device_type; page_buf[1] = INQUIRY_ATA_INFO_PAGE; page_buf[2] = (SATA_ID_ATA_INFO_LEN >> 8) & 0xff; page_buf[3] = SATA_ID_ATA_INFO_LEN & 0xff; /* page_buf[4-7] reserved */ #ifdef _LITTLE_ENDIAN bcopy("ATA ", &page_buf[8], 8); swab(sdinfo->satadrv_id.ai_model, &page_buf[16], 16); if (strncmp(&sdinfo->satadrv_id.ai_fw[4], " ", 4) == 0) { swab(sdinfo->satadrv_id.ai_fw, &page_buf[32], 4); } else { swab(&sdinfo->satadrv_id.ai_fw[4], &page_buf[32], 4); } #else /* _LITTLE_ENDIAN */ bcopy("ATA ", &page_buf[8], 8); bcopy(sdinfo->satadrv_id.ai_model, &page_buf[16], 16); if (strncmp(&sdinfo->satadrv_id.ai_fw[4], " ", 4) == 0) { bcopy(sdinfo->satadrv_id.ai_fw, &page_buf[32], 4); } else { bcopy(&sdinfo->satadrv_id.ai_fw[4], &page_buf[32], 4); } #endif /* _LITTLE_ENDIAN */ /* * page_buf[36-55] which defines the device * signature is not defined at this * time. */ /* Set the command code */ if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { page_buf[56] = SATAC_ID_DEVICE; } else if (sdinfo->satadrv_type == SATA_DTYPE_ATAPI) { page_buf[56] = SATAC_ID_PACKET_DEVICE; } /* * If the command code, page_buf[56], is not * zero and if one of the identify commands * succeeds, return the identify data. */ if ((page_buf[56] != 0) && (sata_fetch_device_identify_data( spx->txlt_sata_hba_inst, sdinfo) == SATA_SUCCESS)) { bcopy(&sdinfo->satadrv_id, &page_buf[60], sizeof (sata_id_t)); } /* Need to copy out the page_buf to bp */ count = MIN(bp->b_bcount, SATA_ID_ATA_INFO_LEN + 4); bcopy(page_buf, bp->b_un.b_addr, count); break; case INQUIRY_DEV_IDENTIFICATION_PAGE: /* * We may want to implement this page, when * identifiers are common for SATA devices * But not now. */ /*FALLTHROUGH*/ default: /* Request for unsupported VPD page */ *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; goto done; } } scsipkt->pkt_state |= STATE_XFERRED_DATA; scsipkt->pkt_resid = scsipkt->pkt_cdbp[4] > count ? scsipkt->pkt_cdbp[4] - count : 0; } done: mutex_exit(cport_mutex); SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (TRAN_ACCEPT); } /* * SATA translate command: Request Sense. * * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. * At the moment this is an emulated command (ATA version for SATA hard disks). * May be translated into Check Power Mode command in the future. * * Note: There is a mismatch between already implemented Informational * Exception Mode Select page 0x1C and this function. * When MRIE bit is set in page 0x1C, Request Sense is supposed to return * NO SENSE and set additional sense code to the exception code - this is not * implemented here. */ static int sata_txlt_request_sense(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct scsi_extended_sense sense; struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; sata_drive_info_t *sdinfo; sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; int rval, reason, power_state = 0; kmutex_t *cport_mutex; cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); mutex_enter(cport_mutex); if (((rval = sata_txlt_generic_pkt_info(spx, &reason, 1)) != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); return (rval); } scsipkt->pkt_reason = CMD_CMPLT; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; *scsipkt->pkt_scbp = STATUS_GOOD; /* * when CONTROL field's NACA bit == 1 * return ILLEGAL_REQUEST */ if (scsipkt->pkt_cdbp[5] & CTL_BYTE_NACA_MASK) { mutex_exit(cport_mutex); return (sata_txlt_check_condition(spx, KEY_ILLEGAL_REQUEST, SD_SCSI_ASC_CMD_SEQUENCE_ERR)); } sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); ASSERT(sdinfo != NULL); spx->txlt_sata_pkt->satapkt_op_mode |= SATA_OPMODE_SYNCH; sata_build_generic_cmd(scmd, SATAC_CHECK_POWER_MODE); scmd->satacmd_flags.sata_copy_out_sec_count_lsb = B_TRUE; scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { mutex_exit(cport_mutex); return (sata_txlt_check_condition(spx, KEY_NO_SENSE, SD_SCSI_ASC_NO_ADD_SENSE)); } switch (scmd->satacmd_sec_count_lsb) { case SATA_PWRMODE_STANDBY: /* device in standby mode */ if (sdinfo->satadrv_power_level == SATA_POWER_STOPPED) power_state = SATA_POWER_STOPPED; else { power_state = SATA_POWER_STANDBY; sdinfo->satadrv_power_level = SATA_POWER_STANDBY; } break; case SATA_PWRMODE_IDLE: /* device in idle mode */ power_state = SATA_POWER_IDLE; sdinfo->satadrv_power_level = SATA_POWER_IDLE; break; case SATA_PWRMODE_ACTIVE: /* device in active or idle mode */ default: /* 0x40, 0x41 active mode */ if (sdinfo->satadrv_power_level == SATA_POWER_IDLE) power_state = SATA_POWER_IDLE; else { power_state = SATA_POWER_ACTIVE; sdinfo->satadrv_power_level = SATA_POWER_ACTIVE; } break; } mutex_exit(cport_mutex); if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { /* * Because it is fully emulated command storing data * programatically in the specified buffer, release * preallocated DMA resources before storing data in the buffer, * so no unwanted DMA sync would take place. */ int count = MIN(bp->b_bcount, sizeof (struct scsi_extended_sense)); sata_scsi_dmafree(NULL, scsipkt); bzero(&sense, sizeof (struct scsi_extended_sense)); sense.es_valid = 0; /* Valid LBA */ sense.es_class = 7; /* Response code 0x70 - current err */ sense.es_key = KEY_NO_SENSE; sense.es_add_len = 6; /* Additional length */ /* Copy no more than requested */ bcopy(&sense, bp->b_un.b_addr, count); scsipkt->pkt_state |= STATE_XFERRED_DATA; scsipkt->pkt_resid = 0; switch (power_state) { case SATA_POWER_IDLE: case SATA_POWER_STANDBY: sense.es_add_code = SD_SCSI_ASC_LOW_POWER_CONDITION_ON; break; case SATA_POWER_STOPPED: sense.es_add_code = SD_SCSI_ASC_NO_ADD_SENSE; break; case SATA_POWER_ACTIVE: default: break; } } SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (TRAN_ACCEPT); } /* * SATA translate command: Test Unit Ready * (ATA version for SATA hard disks). * It is translated into the Check Power Mode command. * * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. */ static int sata_txlt_test_unit_ready(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct scsi_extended_sense *sense; sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; sata_drive_info_t *sdinfo; int power_state; int rval, reason; kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); mutex_enter(cport_mutex); if (((rval = sata_txlt_generic_pkt_info(spx, &reason, 1)) != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); return (rval); } sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); ASSERT(sdinfo != NULL); spx->txlt_sata_pkt->satapkt_op_mode |= SATA_OPMODE_SYNCH; /* send CHECK POWER MODE command */ sata_build_generic_cmd(scmd, SATAC_CHECK_POWER_MODE); scmd->satacmd_flags.sata_copy_out_sec_count_lsb = B_TRUE; scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { mutex_exit(cport_mutex); return (sata_txlt_check_condition(spx, KEY_NOT_READY, SD_SCSI_ASC_LU_NOT_RESPONSE)); } power_state = scmd->satacmd_sec_count_lsb; /* * return NOT READY when device in STOPPED mode */ if (power_state == SATA_PWRMODE_STANDBY && sdinfo->satadrv_power_level == SATA_POWER_STOPPED) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_NOT_READY; sense->es_add_code = SD_SCSI_ASC_LU_NOT_READY; } else { /* * For other power mode, return GOOD status */ *scsipkt->pkt_scbp = STATUS_GOOD; } scsipkt->pkt_reason = CMD_CMPLT; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; mutex_exit(cport_mutex); SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (TRAN_ACCEPT); } /* * SATA translate command: Start Stop Unit * Translation depends on a command: * * Power condition bits will be supported * and the power level should be maintained by SATL, * When SATL received a command, it will check the * power level firstly, and return the status according * to SAT2 v2.6 and SAT-2 Standby Modifications * * SPC-4/SBC-3 SATL ATA power condition SATL SPC/SBC * ----------------------------------------------------------------------- * SSU_PC1 Active <==> ATA Active <==> SSU:start_bit =1 * SSU_PC2 Idle <==> ATA Idle <==> N/A * SSU_PC3 Standby <==> ATA Standby <==> N/A * SSU_PC4 Stopped <==> ATA Standby <==> SSU:start_bit = 0 * * Unload Media / NOT SUPPORTED YET * Load Media / NOT SUPPROTED YET * Immediate bit / NOT SUPPORTED YET (deferred error) * * Returns TRAN_ACCEPT or code returned by sata_hba_start() and * appropriate values in scsi_pkt fields. */ static int sata_txlt_start_stop_unit(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; int rval, reason; sata_drive_info_t *sdinfo; sata_id_t *sata_id; kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_txlt_start_stop_unit: %d\n", scsipkt->pkt_scbp[4] & 1); mutex_enter(cport_mutex); if (((rval = sata_txlt_generic_pkt_info(spx, &reason, 1)) != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); return (rval); } if (scsipkt->pkt_cdbp[1] & START_STOP_IMMED_MASK) { /* IMMED bit - not supported */ mutex_exit(cport_mutex); return (sata_txlt_check_condition(spx, KEY_ILLEGAL_REQUEST, SD_SCSI_ASC_INVALID_FIELD_IN_CDB)); } spx->txlt_sata_pkt->satapkt_op_mode |= SATA_OPMODE_SYNCH; spx->txlt_sata_pkt->satapkt_comp = NULL; sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); ASSERT(sdinfo != NULL); sata_id = &sdinfo->satadrv_id; switch ((scsipkt->pkt_cdbp[4] & START_STOP_POWER_COND_MASK) >> 4) { case 0: if (scsipkt->pkt_cdbp[4] & START_STOP_LOEJ_MASK) { /* Load/Unload Media - invalid request */ goto err_out; } if (scsipkt->pkt_cdbp[4] & START_STOP_START_MASK) { /* Start Unit */ sata_build_read_verify_cmd(scmd, 1, 5); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; /* Transfer command to HBA */ if (sata_hba_start(spx, &rval) != 0) { /* Pkt not accepted for execution */ mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { goto err_out; } sdinfo->satadrv_power_level = SATA_POWER_ACTIVE; } else { /* Stop Unit */ sata_build_generic_cmd(scmd, SATAC_FLUSH_CACHE); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } else { if (scmd->satacmd_error_reg != 0) { goto err_out; } } /* ata standby immediate command */ sata_build_generic_cmd(scmd, SATAC_STANDBY_IM); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { goto err_out; } sdinfo->satadrv_power_level = SATA_POWER_STOPPED; } break; case 0x1: sata_build_generic_cmd(scmd, SATAC_IDLE); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { goto err_out; } sata_build_read_verify_cmd(scmd, 1, 5); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; /* Transfer command to HBA */ if (sata_hba_start(spx, &rval) != 0) { /* Pkt not accepted for execution */ mutex_exit(cport_mutex); return (rval); } else { if (scmd->satacmd_error_reg != 0) { goto err_out; } } sdinfo->satadrv_power_level = SATA_POWER_ACTIVE; break; case 0x2: sata_build_generic_cmd(scmd, SATAC_FLUSH_CACHE); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (!(scsipkt->pkt_cdbp[4] & START_STOP_NOFLUSH_MASK)) { if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { goto err_out; } } sata_build_generic_cmd(scmd, SATAC_IDLE); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { goto err_out; } if ((scsipkt->pkt_cdbp[3] & START_STOP_MODIFIER_MASK)) { /* * POWER CONDITION MODIFIER bit set * to 0x1 or larger it will be handled * on the same way as bit = 0x1 */ if (!(sata_id->ai_cmdset84 & SATA_IDLE_UNLOAD_SUPPORTED)) { sdinfo->satadrv_power_level = SATA_POWER_IDLE; break; } sata_build_generic_cmd(scmd, SATAC_IDLE_IM); scmd->satacmd_features_reg = 0x44; scmd->satacmd_lba_low_lsb = 0x4c; scmd->satacmd_lba_mid_lsb = 0x4e; scmd->satacmd_lba_high_lsb = 0x55; scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { goto err_out; } } sdinfo->satadrv_power_level = SATA_POWER_IDLE; break; case 0x3: sata_build_generic_cmd(scmd, SATAC_FLUSH_CACHE); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (!(scsipkt->pkt_cdbp[4] & START_STOP_NOFLUSH_MASK)) { if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { goto err_out; } } sata_build_generic_cmd(scmd, SATAC_STANDBY); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { goto err_out; } sdinfo->satadrv_power_level = SATA_POWER_STANDBY; break; case 0x7: sata_build_generic_cmd(scmd, SATAC_CHECK_POWER_MODE); scmd->satacmd_flags.sata_copy_out_sec_count_lsb = B_TRUE; scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { goto err_out; } switch (scmd->satacmd_sec_count_lsb) { case SATA_PWRMODE_STANDBY: sata_build_generic_cmd(scmd, SATAC_STANDBY); scmd->satacmd_sec_count_msb = sata_get_standby_timer( sdinfo->satadrv_standby_timer); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } else { if (scmd->satacmd_error_reg != 0) { goto err_out; } } break; case SATA_PWRMODE_IDLE: sata_build_generic_cmd(scmd, SATAC_IDLE); scmd->satacmd_sec_count_msb = sata_get_standby_timer( sdinfo->satadrv_standby_timer); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } else { if (scmd->satacmd_error_reg != 0) { goto err_out; } } break; case SATA_PWRMODE_ACTIVE_SPINDOWN: case SATA_PWRMODE_ACTIVE_SPINUP: case SATA_PWRMODE_ACTIVE: sata_build_generic_cmd(scmd, SATAC_IDLE); scmd->satacmd_sec_count_msb = sata_get_standby_timer( sdinfo->satadrv_standby_timer); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { goto err_out; } sata_build_read_verify_cmd(scmd, 1, 5); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { goto err_out; } break; default: goto err_out; } break; case 0xb: if ((sata_get_standby_timer(sdinfo->satadrv_standby_timer) == 0) || (!(sata_id->ai_cap & SATA_STANDBYTIMER))) { mutex_exit(cport_mutex); return (sata_txlt_check_condition(spx, KEY_ILLEGAL_REQUEST, SD_SCSI_ASC_INVALID_FIELD_IN_CDB)); } sata_build_generic_cmd(scmd, SATAC_FLUSH_CACHE); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (!(scsipkt->pkt_cdbp[4] & START_STOP_NOFLUSH_MASK)) { if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { goto err_out; } sata_build_generic_cmd(scmd, SATAC_STANDBY_IM); scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } if (scmd->satacmd_error_reg != 0) { goto err_out; } } bzero(sdinfo->satadrv_standby_timer, sizeof (uchar_t) * 4); break; default: err_out: mutex_exit(cport_mutex); return (sata_txlt_check_condition(spx, KEY_ILLEGAL_REQUEST, SD_SCSI_ASC_INVALID_FIELD_IN_CDB)); } /* * Since it was a synchronous command, * a callback function will be called directly. */ mutex_exit(cport_mutex); SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "synchronous execution status %x\n", spx->txlt_sata_pkt->satapkt_reason); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { sata_set_arq_data(spx->txlt_sata_pkt); if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } else sata_txlt_nodata_cmd_completion(spx->txlt_sata_pkt); return (TRAN_ACCEPT); } /* * SATA translate command: Read Capacity. * Emulated command for SATA disks. * Capacity is retrieved from cached Idenifty Device data. * Identify Device data shows effective disk capacity, not the native * capacity, which may be limitted by Set Max Address command. * This is ATA version for SATA hard disks. * * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. */ static int sata_txlt_read_capacity(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; sata_drive_info_t *sdinfo; uint64_t val; uint32_t lbsize = DEV_BSIZE; uchar_t *rbuf; int rval, reason; kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_txlt_read_capacity: ", NULL); mutex_enter(cport_mutex); if (((rval = sata_txlt_generic_pkt_info(spx, &reason, 0)) != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); return (rval); } scsipkt->pkt_reason = CMD_CMPLT; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; *scsipkt->pkt_scbp = STATUS_GOOD; if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { /* * Because it is fully emulated command storing data * programatically in the specified buffer, release * preallocated DMA resources before storing data in the buffer, * so no unwanted DMA sync would take place. */ sata_scsi_dmafree(NULL, scsipkt); sdinfo = sata_get_device_info( spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); /* * As per SBC-3, the "returned LBA" is either the highest * addressable LBA or 0xffffffff, whichever is smaller. */ val = MIN(sdinfo->satadrv_capacity - 1, UINT32_MAX); if (sdinfo->satadrv_id.ai_phys_sect_sz & SATA_L2PS_CHECK_BIT) { /* physical/logical sector size word is valid */ if (sdinfo->satadrv_id.ai_phys_sect_sz & SATA_L2PS_BIG_SECTORS) { /* if this set 117-118 words are valid */ lbsize = sdinfo->satadrv_id.ai_words_lsec[0] | (sdinfo->satadrv_id.ai_words_lsec[1] << 16); lbsize <<= 1; /* convert from words to bytes */ } } rbuf = (uchar_t *)bp->b_un.b_addr; /* Need to swap endians to match scsi format */ rbuf[0] = (val >> 24) & 0xff; rbuf[1] = (val >> 16) & 0xff; rbuf[2] = (val >> 8) & 0xff; rbuf[3] = val & 0xff; rbuf[4] = (lbsize >> 24) & 0xff; rbuf[5] = (lbsize >> 16) & 0xff; rbuf[6] = (lbsize >> 8) & 0xff; rbuf[7] = lbsize & 0xff; scsipkt->pkt_state |= STATE_XFERRED_DATA; scsipkt->pkt_resid = 0; SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "%d\n", sdinfo->satadrv_capacity -1); } mutex_exit(cport_mutex); /* * If a callback was requested, do it now. */ SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (TRAN_ACCEPT); } /* * SATA translate command: Read Capacity (16). * Emulated command for SATA disks. * Info is retrieved from cached Identify Device data. * Implemented to SBC-3 (draft 21) and SAT-2 (final) specifications. * * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. */ static int sata_txlt_read_capacity16(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; sata_drive_info_t *sdinfo; uint64_t val; uint16_t l2p_exp; uint32_t lbsize = DEV_BSIZE; uchar_t *rbuf; int rval, reason; #define TPE 0x80 #define TPRZ 0x40 kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_txlt_read_capacity: ", NULL); mutex_enter(cport_mutex); if (((rval = sata_txlt_generic_pkt_info(spx, &reason, 0)) != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); return (rval); } scsipkt->pkt_reason = CMD_CMPLT; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { /* * Because it is fully emulated command storing data * programatically in the specified buffer, release * preallocated DMA resources before storing data in the buffer, * so no unwanted DMA sync would take place. */ sata_scsi_dmafree(NULL, scsipkt); /* Check SERVICE ACTION field */ if ((scsipkt->pkt_cdbp[1] & 0x1f) != SSVC_ACTION_READ_CAPACITY_G4) { mutex_exit(cport_mutex); return (sata_txlt_check_condition(spx, KEY_ILLEGAL_REQUEST, SD_SCSI_ASC_INVALID_FIELD_IN_CDB)); } /* Check LBA field */ if ((scsipkt->pkt_cdbp[2] != 0) || (scsipkt->pkt_cdbp[3] != 0) || (scsipkt->pkt_cdbp[4] != 0) || (scsipkt->pkt_cdbp[5] != 0) || (scsipkt->pkt_cdbp[6] != 0) || (scsipkt->pkt_cdbp[7] != 0) || (scsipkt->pkt_cdbp[8] != 0) || (scsipkt->pkt_cdbp[9] != 0)) { mutex_exit(cport_mutex); return (sata_txlt_check_condition(spx, KEY_ILLEGAL_REQUEST, SD_SCSI_ASC_INVALID_FIELD_IN_CDB)); } /* Check PMI bit */ if (scsipkt->pkt_cdbp[14] & 0x1) { mutex_exit(cport_mutex); return (sata_txlt_check_condition(spx, KEY_ILLEGAL_REQUEST, SD_SCSI_ASC_INVALID_FIELD_IN_CDB)); } *scsipkt->pkt_scbp = STATUS_GOOD; sdinfo = sata_get_device_info( spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); /* last logical block address */ val = MIN(sdinfo->satadrv_capacity - 1, SCSI_READ_CAPACITY16_MAX_LBA); /* logical to physical block size exponent */ l2p_exp = 0; if (sdinfo->satadrv_id.ai_phys_sect_sz & SATA_L2PS_CHECK_BIT) { /* physical/logical sector size word is valid */ if (sdinfo->satadrv_id.ai_phys_sect_sz & SATA_L2PS_HAS_MULT) { /* multiple logical sectors per phys sectors */ l2p_exp = sdinfo->satadrv_id.ai_phys_sect_sz & SATA_L2PS_EXP_MASK; } if (sdinfo->satadrv_id.ai_phys_sect_sz & SATA_L2PS_BIG_SECTORS) { /* if this set 117-118 words are valid */ lbsize = sdinfo->satadrv_id.ai_words_lsec[0] | (sdinfo->satadrv_id.ai_words_lsec[1] << 16); lbsize <<= 1; /* convert from words to bytes */ } } rbuf = (uchar_t *)bp->b_un.b_addr; bzero(rbuf, bp->b_bcount); /* returned logical block address */ rbuf[0] = (val >> 56) & 0xff; rbuf[1] = (val >> 48) & 0xff; rbuf[2] = (val >> 40) & 0xff; rbuf[3] = (val >> 32) & 0xff; rbuf[4] = (val >> 24) & 0xff; rbuf[5] = (val >> 16) & 0xff; rbuf[6] = (val >> 8) & 0xff; rbuf[7] = val & 0xff; rbuf[8] = (lbsize >> 24) & 0xff; rbuf[9] = (lbsize >> 16) & 0xff; rbuf[10] = (lbsize >> 8) & 0xff; rbuf[11] = lbsize & 0xff; /* p_type, prot_en, unspecified by SAT-2 */ /* rbuf[12] = 0; */ /* p_i_exponent, undefined by SAT-2 */ /* logical blocks per physical block exponent */ rbuf[13] = l2p_exp; /* lowest aligned logical block address = 0 (for now) */ /* tpe and tprz as defined in T10/10-079 r0 */ if (sdinfo->satadrv_id.ai_addsupported & SATA_DETERMINISTIC_READ) { if (sdinfo->satadrv_id.ai_addsupported & SATA_READ_ZERO) { rbuf[14] |= TPRZ; } else { rbuf[14] |= TPE; } } /* rbuf[15] = 0; */ scsipkt->pkt_state |= STATE_XFERRED_DATA; scsipkt->pkt_resid = 0; SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "%llu\n", sdinfo->satadrv_capacity -1); } mutex_exit(cport_mutex); /* * If a callback was requested, do it now. */ SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (TRAN_ACCEPT); } /* * Translate command: UNMAP * * The function cannot be called in interrupt context since it may sleep. */ static int sata_txlt_unmap(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; uint16_t count = 0; int synch; int rval, reason; int i, x; int bdlen = 0; int ranges = 0; int paramlen = 8; uint8_t *data, *tmpbd; sata_drive_info_t *sdinfo; kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); #define TRIM 0x1 SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_txlt_unmap: ", NULL); mutex_enter(cport_mutex); sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); if (sdinfo != NULL) { SATADBG2(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "DSM support 0x%x, max number of 512 byte blocks of LBA " "range entries 0x%x\n", sdinfo->satadrv_id.ai_dsm, sdinfo->satadrv_id.ai_maxcount); } rval = sata_txlt_generic_pkt_info(spx, &reason, 1); if ((rval != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); return (rval); } /* * Need to modify bp to have TRIM data instead of UNMAP data. * Start by getting the block descriptor data length by subtracting * the 8 byte parameter list header from the parameter list length. * The block descriptor size has to be a multiple of 16 bytes. */ bdlen = scsipkt->pkt_cdbp[7]; bdlen = (bdlen << 8) + scsipkt->pkt_cdbp[8] - paramlen; if ((bdlen < 0) || ((bdlen % 16) != 0) || ((bp != NULL) && (bdlen > (bp->b_bcount - paramlen)))) { SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_txlt_unmap: invalid block descriptor length", NULL); mutex_exit(cport_mutex); return ((sata_txlt_check_condition(spx, KEY_ILLEGAL_REQUEST, SD_SCSI_ASC_INVALID_FIELD_IN_CDB))); } /* * If there are no parameter data or block descriptors, it is not * considered an error so just complete the command without sending * TRIM. */ if ((bdlen == 0) || (bp == NULL) || (bp->b_un.b_addr == NULL) || (bp->b_bcount == 0)) { SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_txlt_unmap: no parameter data or block descriptors", NULL); mutex_exit(cport_mutex); return (sata_txlt_unmap_nodata_cmd(spx)); } tmpbd = (uint8_t *)bp->b_un.b_addr + paramlen; data = kmem_zalloc(bdlen, KM_SLEEP); /* * Loop through all the UNMAP block descriptors and convert the data * into TRIM format. */ for (i = 0, x = 0; i < bdlen; i += 16, x += 8) { /* get range length */ data[x] = tmpbd[i+7]; data[x+1] = tmpbd[i+6]; /* get LBA */ data[x+2] = tmpbd[i+5]; data[x+3] = tmpbd[i+4]; data[x+4] = tmpbd[i+3]; data[x+5] = tmpbd[i+2]; data[x+6] = tmpbd[i+11]; data[x+7] = tmpbd[i+10]; ranges++; } /* * The TRIM command expects the data buffer to be a multiple of * 512-byte blocks of range entries. This means that the UNMAP buffer * may be too small. Free the original DMA resources and create a * local buffer. */ sata_common_free_dma_rsrcs(spx); /* * Get count of 512-byte blocks of range entries. The length * of a range entry is 8 bytes which means one count has 64 range * entries. */ count = (ranges + 63)/64; /* Allocate a buffer that is a multiple of 512 bytes. */ mutex_exit(cport_mutex); bp = sata_alloc_local_buffer(spx, count * 512); if (bp == NULL) { SATADBG1(SATA_DBG_ATAPI, spx->txlt_sata_hba_inst, "sata_txlt_unmap: " "cannot allocate buffer for TRIM command", NULL); kmem_free(data, bdlen); return (TRAN_BUSY); } bp_mapin(bp); /* make data buffer accessible */ mutex_enter(cport_mutex); bzero(bp->b_un.b_addr, bp->b_bcount); bcopy(data, bp->b_un.b_addr, x); kmem_free(data, bdlen); rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, DDI_DMA_SYNC_FORDEV); ASSERT(rval == DDI_SUCCESS); scmd->satacmd_flags.sata_data_direction = SATA_DIR_WRITE; scmd->satacmd_addr_type = ATA_ADDR_LBA48; scmd->satacmd_cmd_reg = SATAC_DSM; scmd->satacmd_sec_count_msb = (count >> 8) & 0xff; scmd->satacmd_sec_count_lsb = count & 0xff; scmd->satacmd_features_reg = TRIM; scmd->satacmd_device_reg = SATA_ADH_LBA; scmd->satacmd_status_reg = 0; scmd->satacmd_error_reg = 0; /* Start processing command */ if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { spx->txlt_sata_pkt->satapkt_comp = sata_txlt_unmap_completion; synch = FALSE; } else { synch = TRUE; } if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } mutex_exit(cport_mutex); if (synch) { sata_txlt_unmap_completion(spx->txlt_sata_pkt); } return (TRAN_ACCEPT); } /* * SATA translate command: Mode Sense. * Translated into appropriate SATA command or emulated. * Saved Values Page Control (03) are not supported. * * NOTE: only caching mode sense page is currently implemented. * * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. */ #define LLBAA 0x10 /* Long LBA Accepted */ static int sata_txlt_mode_sense(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; sata_drive_info_t *sdinfo; sata_id_t *sata_id; struct scsi_extended_sense *sense; int len, bdlen, count, alc_len; int pc; /* Page Control code */ uint8_t *buf; /* mode sense buffer */ int rval, reason; kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); SATADBG2(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_txlt_mode_sense, pc %x page code 0x%02x\n", spx->txlt_scsi_pkt->pkt_cdbp[2] >> 6, spx->txlt_scsi_pkt->pkt_cdbp[2] & 0x3f); if (servicing_interrupt()) { buf = kmem_zalloc(1024, KM_NOSLEEP); if (buf == NULL) { return (TRAN_BUSY); } } else { buf = kmem_zalloc(1024, KM_SLEEP); } mutex_enter(cport_mutex); if (((rval = sata_txlt_generic_pkt_info(spx, &reason, 0)) != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); kmem_free(buf, 1024); return (rval); } scsipkt->pkt_reason = CMD_CMPLT; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; pc = scsipkt->pkt_cdbp[2] >> 6; if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { /* * Because it is fully emulated command storing data * programatically in the specified buffer, release * preallocated DMA resources before storing data in the buffer, * so no unwanted DMA sync would take place. */ sata_scsi_dmafree(NULL, scsipkt); len = 0; bdlen = 0; if (!(scsipkt->pkt_cdbp[1] & 8)) { if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SENSE_G1 && (scsipkt->pkt_cdbp[1] & LLBAA)) bdlen = 16; else bdlen = 8; } /* Build mode parameter header */ if (spx->txlt_scsi_pkt->pkt_cdbp[0] == SCMD_MODE_SENSE) { /* 4-byte mode parameter header */ buf[len++] = 0; /* mode data length */ buf[len++] = 0; /* medium type */ buf[len++] = 0; /* dev-specific param */ buf[len++] = bdlen; /* Block Descriptor length */ } else { /* 8-byte mode parameter header */ buf[len++] = 0; /* mode data length */ buf[len++] = 0; buf[len++] = 0; /* medium type */ buf[len++] = 0; /* dev-specific param */ if (bdlen == 16) buf[len++] = 1; /* long lba descriptor */ else buf[len++] = 0; buf[len++] = 0; buf[len++] = 0; /* Block Descriptor length */ buf[len++] = bdlen; } sdinfo = sata_get_device_info( spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); /* Build block descriptor only if not disabled (DBD) */ if ((scsipkt->pkt_cdbp[1] & 0x08) == 0) { /* Block descriptor - direct-access device format */ if (bdlen == 8) { /* build regular block descriptor */ buf[len++] = (sdinfo->satadrv_capacity >> 24) & 0xff; buf[len++] = (sdinfo->satadrv_capacity >> 16) & 0xff; buf[len++] = (sdinfo->satadrv_capacity >> 8) & 0xff; buf[len++] = sdinfo->satadrv_capacity & 0xff; buf[len++] = 0; /* density code */ buf[len++] = 0; if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) buf[len++] = 2; else /* ATAPI */ buf[len++] = 8; buf[len++] = 0; } else if (bdlen == 16) { /* Long LBA Accepted */ /* build long lba block descriptor */ #ifndef __lock_lint buf[len++] = (sdinfo->satadrv_capacity >> 56) & 0xff; buf[len++] = (sdinfo->satadrv_capacity >> 48) & 0xff; buf[len++] = (sdinfo->satadrv_capacity >> 40) & 0xff; buf[len++] = (sdinfo->satadrv_capacity >> 32) & 0xff; #endif buf[len++] = (sdinfo->satadrv_capacity >> 24) & 0xff; buf[len++] = (sdinfo->satadrv_capacity >> 16) & 0xff; buf[len++] = (sdinfo->satadrv_capacity >> 8) & 0xff; buf[len++] = sdinfo->satadrv_capacity & 0xff; buf[len++] = 0; buf[len++] = 0; /* density code */ buf[len++] = 0; buf[len++] = 0; if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) buf[len++] = 2; else /* ATAPI */ buf[len++] = 8; buf[len++] = 0; } } sata_id = &sdinfo->satadrv_id; /* * Add requested pages. * Page 3 and 4 are obsolete and we are not supporting them. * We deal now with: * caching (read/write cache control). * We should eventually deal with following mode pages: * error recovery (0x01), * power condition (0x1a), * exception control page (enables SMART) (0x1c), * enclosure management (ses), * protocol-specific port mode (port control). */ switch (scsipkt->pkt_cdbp[2] & 0x3f) { case MODEPAGE_RW_ERRRECOV: /* DAD_MODE_ERR_RECOV */ /* R/W recovery */ len += sata_build_msense_page_1(sdinfo, pc, buf+len); break; case MODEPAGE_CACHING: /* DAD_MODE_CACHE */ /* Reject not supported request for saved parameters */ if (pc == 3) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_SAVING_PARAMS_NOT_SUPPORTED; goto done; } /* caching */ len += sata_build_msense_page_8(sdinfo, pc, buf+len); break; case MODEPAGE_INFO_EXCPT: /* exception cntrl */ if (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED) { len += sata_build_msense_page_1c(sdinfo, pc, buf+len); } else goto err; break; case MODEPAGE_POWER_COND: /* DAD_MODE_POWER_COND */ /* power condition */ len += sata_build_msense_page_1a(sdinfo, pc, buf+len); break; case MODEPAGE_ACOUSTIC_MANAG: /* acoustic management */ len += sata_build_msense_page_30(sdinfo, pc, buf+len); break; case MODEPAGE_ALLPAGES: /* all pages */ len += sata_build_msense_page_1(sdinfo, pc, buf+len); len += sata_build_msense_page_8(sdinfo, pc, buf+len); len += sata_build_msense_page_1a(sdinfo, pc, buf+len); if (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED) { len += sata_build_msense_page_1c(sdinfo, pc, buf+len); } len += sata_build_msense_page_30(sdinfo, pc, buf+len); break; default: err: /* Invalid request */ *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; goto done; } /* fix total mode data length */ if (spx->txlt_scsi_pkt->pkt_cdbp[0] == SCMD_MODE_SENSE) { /* 4-byte mode parameter header */ buf[0] = len - 1; /* mode data length */ } else { buf[0] = (len -2) >> 8; buf[1] = (len -2) & 0xff; } /* Check allocation length */ if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SENSE) { alc_len = scsipkt->pkt_cdbp[4]; } else { alc_len = scsipkt->pkt_cdbp[7]; alc_len = (len << 8) | scsipkt->pkt_cdbp[8]; } /* * We do not check for possible parameters truncation * (alc_len < len) assuming that the target driver works * correctly. Just avoiding overrun. * Copy no more than requested and possible, buffer-wise. */ count = MIN(alc_len, len); count = MIN(bp->b_bcount, count); bcopy(buf, bp->b_un.b_addr, count); scsipkt->pkt_state |= STATE_XFERRED_DATA; scsipkt->pkt_resid = alc_len > count ? alc_len - count : 0; } *scsipkt->pkt_scbp = STATUS_GOOD; done: mutex_exit(cport_mutex); (void) kmem_free(buf, 1024); SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (TRAN_ACCEPT); } /* * SATA translate command: Mode Select. * Translated into appropriate SATA command or emulated. * Saving parameters is not supported. * Changing device capacity is not supported (although theoretically * possible by executing SET FEATURES/SET MAX ADDRESS) * * Assumption is that the target driver is working correctly. * * More than one SATA command may be executed to perform operations specified * by mode select pages. The first error terminates further execution. * Operations performed successully are not backed-up in such case. * * NOTE: Implemented pages: * - caching page * - informational exception page * - acoustic management page * - power condition page * Caching setup is remembered so it could be re-stored in case of * an unexpected device reset. * * Returns TRAN_XXXX. * If TRAN_ACCEPT is returned, appropriate values are set in scsi_pkt fields. */ static int sata_txlt_mode_select(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; struct scsi_extended_sense *sense; int len, pagelen, count, pllen; uint8_t *buf; /* mode select buffer */ int rval, stat, reason; uint_t nointr_flag; int dmod = 0; kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); SATADBG2(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_txlt_mode_select, pc %x page code 0x%02x\n", spx->txlt_scsi_pkt->pkt_cdbp[2] >> 6, spx->txlt_scsi_pkt->pkt_cdbp[2] & 0x3f); mutex_enter(cport_mutex); if (((rval = sata_txlt_generic_pkt_info(spx, &reason, 1)) != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); return (rval); } rval = TRAN_ACCEPT; scsipkt->pkt_reason = CMD_CMPLT; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; nointr_flag = scsipkt->pkt_flags & FLAG_NOINTR; /* Reject not supported request */ if (! (scsipkt->pkt_cdbp[1] & 0x10)) { /* No support for PF bit = 0 */ *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; goto done; } if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SELECT) { pllen = scsipkt->pkt_cdbp[4]; } else { pllen = scsipkt->pkt_cdbp[7]; pllen = (pllen << 8) | scsipkt->pkt_cdbp[7]; } *scsipkt->pkt_scbp = STATUS_GOOD; /* Presumed outcome */ if (bp != NULL && bp->b_un.b_addr && bp->b_bcount && pllen != 0) { buf = (uint8_t *)bp->b_un.b_addr; count = MIN(bp->b_bcount, pllen); scsipkt->pkt_state |= STATE_XFERRED_DATA; scsipkt->pkt_resid = 0; pllen = count; /* * Check the header to skip the block descriptor(s) - we * do not support setting device capacity. * Existing macros do not recognize long LBA dscriptor, * hence manual calculation. */ if (scsipkt->pkt_cdbp[0] == SCMD_MODE_SELECT) { /* 6-bytes CMD, 4 bytes header */ if (count <= 4) goto done; /* header only */ len = buf[3] + 4; } else { /* 10-bytes CMD, 8 bytes header */ if (count <= 8) goto done; /* header only */ len = buf[6]; len = (len << 8) + buf[7] + 8; } if (len >= count) goto done; /* header + descriptor(s) only */ pllen -= len; /* remaining data length */ /* * We may be executing SATA command and want to execute it * in SYNCH mode, regardless of scsi_pkt setting. * Save scsi_pkt setting and indicate SYNCH mode */ if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { scsipkt->pkt_flags |= FLAG_NOINTR; } spx->txlt_sata_pkt->satapkt_op_mode = SATA_OPMODE_SYNCH; /* * len is now the offset to a first mode select page * Process all pages */ while (pllen > 0) { switch ((int)buf[len]) { case MODEPAGE_CACHING: /* No support for SP (saving) */ if (scsipkt->pkt_cdbp[1] & 0x01) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; goto done; } stat = sata_mode_select_page_8(spx, (struct mode_cache_scsi3 *)&buf[len], pllen, &pagelen, &rval, &dmod); /* * The pagelen value indicates the number of * parameter bytes already processed. * The rval is the return value from * sata_tran_start(). * The stat indicates the overall status of * the operation(s). */ if (stat != SATA_SUCCESS) /* * Page processing did not succeed - * all error info is already set-up, * just return */ pllen = 0; /* this breaks the loop */ else { len += pagelen; pllen -= pagelen; } break; case MODEPAGE_INFO_EXCPT: stat = sata_mode_select_page_1c(spx, (struct mode_info_excpt_page *)&buf[len], pllen, &pagelen, &rval, &dmod); /* * The pagelen value indicates the number of * parameter bytes already processed. * The rval is the return value from * sata_tran_start(). * The stat indicates the overall status of * the operation(s). */ if (stat != SATA_SUCCESS) /* * Page processing did not succeed - * all error info is already set-up, * just return */ pllen = 0; /* this breaks the loop */ else { len += pagelen; pllen -= pagelen; } break; case MODEPAGE_ACOUSTIC_MANAG: stat = sata_mode_select_page_30(spx, (struct mode_acoustic_management *) &buf[len], pllen, &pagelen, &rval, &dmod); /* * The pagelen value indicates the number of * parameter bytes already processed. * The rval is the return value from * sata_tran_start(). * The stat indicates the overall status of * the operation(s). */ if (stat != SATA_SUCCESS) /* * Page processing did not succeed - * all error info is already set-up, * just return */ pllen = 0; /* this breaks the loop */ else { len += pagelen; pllen -= pagelen; } break; case MODEPAGE_POWER_COND: stat = sata_mode_select_page_1a(spx, (struct mode_info_power_cond *)&buf[len], pllen, &pagelen, &rval, &dmod); /* * The pagelen value indicates the number of * parameter bytes already processed. * The rval is the return value from * sata_tran_start(). * The stat indicates the overall status of * the operation(s). */ if (stat != SATA_SUCCESS) /* * Page processing did not succeed - * all error info is already set-up, * just return */ pllen = 0; /* this breaks the loop */ else { len += pagelen; pllen -= pagelen; } break; default: *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; goto done; } } } done: mutex_exit(cport_mutex); /* * If device parameters were modified, fetch and store the new * Identify Device data. Since port mutex could have been released * for accessing HBA driver, we need to re-check device existence. */ if (dmod != 0) { sata_drive_info_t new_sdinfo, *sdinfo; int rv = 0; /* * Following statement has to be changed if this function is * used for devices other than SATA hard disks. */ new_sdinfo.satadrv_type = SATA_DTYPE_ATADISK; new_sdinfo.satadrv_addr = spx->txlt_sata_pkt->satapkt_device.satadev_addr; rv = sata_fetch_device_identify_data(spx->txlt_sata_hba_inst, &new_sdinfo); mutex_enter(cport_mutex); /* * Since port mutex could have been released when * accessing HBA driver, we need to re-check that the * framework still holds the device info structure. */ sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); if (sdinfo != NULL) { /* * Device still has info structure in the * sata framework. Copy newly fetched info */ if (rv == 0) { sdinfo->satadrv_id = new_sdinfo.satadrv_id; sata_save_drive_settings(sdinfo); } else { /* * Could not fetch new data - invalidate * sata_drive_info. That makes device * unusable. */ sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; sdinfo->satadrv_state = SATA_STATE_UNKNOWN; } } if (rv != 0 || sdinfo == NULL) { /* * This changes the overall mode select completion * reason to a failed one !!!!! */ *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); scsipkt->pkt_reason = CMD_INCOMPLETE; rval = TRAN_ACCEPT; } mutex_exit(cport_mutex); } /* Restore the scsi pkt flags */ scsipkt->pkt_flags &= ~FLAG_NOINTR; scsipkt->pkt_flags |= nointr_flag; SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (rval); } /* * Translate command: ATA Pass Through * Incomplete implementation. Only supports No-Data, PIO Data-In, and * PIO Data-Out protocols. Also supports CK_COND bit. * * Mapping of the incoming CDB bytes to the outgoing satacmd bytes is * described in Table 111 of SAT-2 (Draft 9). */ static int sata_txlt_ata_pass_thru(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; int extend; uint64_t lba; uint16_t feature, sec_count; int t_len, synch; int rval, reason; kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); mutex_enter(cport_mutex); rval = sata_txlt_generic_pkt_info(spx, &reason, 1); if ((rval != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); return (rval); } /* T_DIR bit */ if (scsipkt->pkt_cdbp[2] & SATL_APT_BM_T_DIR) scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; else scmd->satacmd_flags.sata_data_direction = SATA_DIR_WRITE; /* MULTIPLE_COUNT field. If non-zero, invalid command (for now). */ if (((scsipkt->pkt_cdbp[1] >> 5) & 0x7) != 0) { mutex_exit(cport_mutex); return (sata_txlt_ata_pass_thru_illegal_cmd(spx)); } /* OFFLINE field. If non-zero, invalid command (for now). */ if (((scsipkt->pkt_cdbp[2] >> 6) & 0x3) != 0) { mutex_exit(cport_mutex); return (sata_txlt_ata_pass_thru_illegal_cmd(spx)); } /* PROTOCOL field */ switch ((scsipkt->pkt_cdbp[1] >> 1) & 0xf) { case SATL_APT_P_HW_RESET: case SATL_APT_P_SRST: case SATL_APT_P_DMA: case SATL_APT_P_DMA_QUEUED: case SATL_APT_P_DEV_DIAG: case SATL_APT_P_DEV_RESET: case SATL_APT_P_UDMA_IN: case SATL_APT_P_UDMA_OUT: case SATL_APT_P_FPDMA: case SATL_APT_P_RET_RESP: /* Not yet implemented */ default: mutex_exit(cport_mutex); return (sata_txlt_ata_pass_thru_illegal_cmd(spx)); case SATL_APT_P_NON_DATA: scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; break; case SATL_APT_P_PIO_DATA_IN: /* If PROTOCOL disagrees with T_DIR, invalid command */ if (scmd->satacmd_flags.sata_data_direction == SATA_DIR_WRITE) { mutex_exit(cport_mutex); return (sata_txlt_ata_pass_thru_illegal_cmd(spx)); } /* if there is a buffer, release its DMA resources */ if ((bp != NULL) && bp->b_un.b_addr && bp->b_bcount) { sata_scsi_dmafree(NULL, scsipkt); } else { /* if there is no buffer, how do you PIO in? */ mutex_exit(cport_mutex); return (sata_txlt_ata_pass_thru_illegal_cmd(spx)); } break; case SATL_APT_P_PIO_DATA_OUT: /* If PROTOCOL disagrees with T_DIR, invalid command */ if (scmd->satacmd_flags.sata_data_direction == SATA_DIR_READ) { mutex_exit(cport_mutex); return (sata_txlt_ata_pass_thru_illegal_cmd(spx)); } /* if there is a buffer, release its DMA resources */ if ((bp != NULL) && bp->b_un.b_addr && bp->b_bcount) { sata_scsi_dmafree(NULL, scsipkt); } else { /* if there is no buffer, how do you PIO out? */ mutex_exit(cport_mutex); return (sata_txlt_ata_pass_thru_illegal_cmd(spx)); } break; } /* Parse the ATA cmd fields, transfer some straight to the satacmd */ switch ((uint_t)scsipkt->pkt_cdbp[0]) { case SPC3_CMD_ATA_COMMAND_PASS_THROUGH12: feature = scsipkt->pkt_cdbp[3]; sec_count = scsipkt->pkt_cdbp[4]; lba = scsipkt->pkt_cdbp[8] & 0xf; lba = (lba << 8) | scsipkt->pkt_cdbp[7]; lba = (lba << 8) | scsipkt->pkt_cdbp[6]; lba = (lba << 8) | scsipkt->pkt_cdbp[5]; scmd->satacmd_device_reg = scsipkt->pkt_cdbp[13] & 0xf0; scmd->satacmd_cmd_reg = scsipkt->pkt_cdbp[9]; break; case SPC3_CMD_ATA_COMMAND_PASS_THROUGH16: if (scsipkt->pkt_cdbp[1] & SATL_APT_BM_EXTEND) { extend = 1; feature = scsipkt->pkt_cdbp[3]; feature = (feature << 8) | scsipkt->pkt_cdbp[4]; sec_count = scsipkt->pkt_cdbp[5]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[6]; lba = scsipkt->pkt_cdbp[11]; lba = (lba << 8) | scsipkt->pkt_cdbp[12]; lba = (lba << 8) | scsipkt->pkt_cdbp[9]; lba = (lba << 8) | scsipkt->pkt_cdbp[10]; lba = (lba << 8) | scsipkt->pkt_cdbp[7]; lba = (lba << 8) | scsipkt->pkt_cdbp[8]; scmd->satacmd_device_reg = scsipkt->pkt_cdbp[13]; scmd->satacmd_cmd_reg = scsipkt->pkt_cdbp[14]; } else { feature = scsipkt->pkt_cdbp[3]; sec_count = scsipkt->pkt_cdbp[5]; lba = scsipkt->pkt_cdbp[13] & 0xf; lba = (lba << 8) | scsipkt->pkt_cdbp[12]; lba = (lba << 8) | scsipkt->pkt_cdbp[10]; lba = (lba << 8) | scsipkt->pkt_cdbp[8]; scmd->satacmd_device_reg = scsipkt->pkt_cdbp[13] & 0xf0; scmd->satacmd_cmd_reg = scsipkt->pkt_cdbp[14]; } break; } /* CK_COND bit */ if (scsipkt->pkt_cdbp[2] & SATL_APT_BM_CK_COND) { if (extend) { scmd->satacmd_flags.sata_copy_out_sec_count_msb = 1; scmd->satacmd_flags.sata_copy_out_lba_low_msb = 1; scmd->satacmd_flags.sata_copy_out_lba_mid_msb = 1; scmd->satacmd_flags.sata_copy_out_lba_high_msb = 1; } scmd->satacmd_flags.sata_copy_out_sec_count_lsb = 1; scmd->satacmd_flags.sata_copy_out_lba_low_lsb = 1; scmd->satacmd_flags.sata_copy_out_lba_mid_lsb = 1; scmd->satacmd_flags.sata_copy_out_lba_high_lsb = 1; scmd->satacmd_flags.sata_copy_out_device_reg = 1; scmd->satacmd_flags.sata_copy_out_error_reg = 1; } /* Transfer remaining parsed ATA cmd values to the satacmd */ if (extend) { scmd->satacmd_addr_type = ATA_ADDR_LBA48; scmd->satacmd_features_reg_ext = (feature >> 8) & 0xff; scmd->satacmd_sec_count_msb = (sec_count >> 8) & 0xff; scmd->satacmd_lba_low_msb = (lba >> 8) & 0xff; scmd->satacmd_lba_mid_msb = (lba >> 8) & 0xff; scmd->satacmd_lba_high_msb = lba >> 40; } else { scmd->satacmd_addr_type = ATA_ADDR_LBA28; scmd->satacmd_features_reg_ext = 0; scmd->satacmd_sec_count_msb = 0; scmd->satacmd_lba_low_msb = 0; scmd->satacmd_lba_mid_msb = 0; scmd->satacmd_lba_high_msb = 0; } scmd->satacmd_features_reg = feature & 0xff; scmd->satacmd_sec_count_lsb = sec_count & 0xff; scmd->satacmd_lba_low_lsb = lba & 0xff; scmd->satacmd_lba_mid_lsb = (lba >> 8) & 0xff; scmd->satacmd_lba_high_lsb = (lba >> 16) & 0xff; /* Determine transfer length */ switch (scsipkt->pkt_cdbp[2] & 0x3) { /* T_LENGTH field */ case 1: t_len = feature; break; case 2: t_len = sec_count; break; default: t_len = 0; break; } /* Adjust transfer length for the Byte Block bit */ if ((scsipkt->pkt_cdbp[2] >> 2) & 1) t_len *= SATA_DISK_SECTOR_SIZE; /* Start processing command */ if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { spx->txlt_sata_pkt->satapkt_comp = sata_txlt_apt_completion; synch = FALSE; } else { synch = TRUE; } if (sata_hba_start(spx, &rval) != 0) { mutex_exit(cport_mutex); return (rval); } mutex_exit(cport_mutex); if (synch) { sata_txlt_apt_completion(spx->txlt_sata_pkt); } return (TRAN_ACCEPT); } /* * Translate command: Log Sense */ static int sata_txlt_log_sense(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; sata_drive_info_t *sdinfo; struct scsi_extended_sense *sense; int len, count, alc_len; int pc; /* Page Control code */ int page_code; /* Page code */ uint8_t *buf; /* log sense buffer */ int rval, reason; #define MAX_LOG_SENSE_PAGE_SIZE 512 kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); SATADBG2(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_txlt_log_sense, pc 0x%x, page code 0x%x\n", spx->txlt_scsi_pkt->pkt_cdbp[2] >> 6, spx->txlt_scsi_pkt->pkt_cdbp[2] & 0x3f); if (servicing_interrupt()) { buf = kmem_zalloc(MAX_LOG_SENSE_PAGE_SIZE, KM_NOSLEEP); if (buf == NULL) { return (TRAN_BUSY); } } else { buf = kmem_zalloc(MAX_LOG_SENSE_PAGE_SIZE, KM_SLEEP); } mutex_enter(cport_mutex); if (((rval = sata_txlt_generic_pkt_info(spx, &reason, 1)) != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); kmem_free(buf, MAX_LOG_SENSE_PAGE_SIZE); return (rval); } scsipkt->pkt_reason = CMD_CMPLT; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; pc = scsipkt->pkt_cdbp[2] >> 6; page_code = scsipkt->pkt_cdbp[2] & 0x3f; /* Reject not supported request for all but cumulative values */ switch (pc) { case PC_CUMULATIVE_VALUES: break; default: *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; goto done; } switch (page_code) { case PAGE_CODE_GET_SUPPORTED_LOG_PAGES: case PAGE_CODE_SELF_TEST_RESULTS: case PAGE_CODE_INFORMATION_EXCEPTIONS: case PAGE_CODE_SMART_READ_DATA: case PAGE_CODE_START_STOP_CYCLE_COUNTER: break; default: *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; goto done; } if (bp != NULL && bp->b_un.b_addr && bp->b_bcount) { /* * Because log sense uses local buffers for data retrieval from * the devices and sets the data programatically in the * original specified buffer, release preallocated DMA * resources before storing data in the original buffer, * so no unwanted DMA sync would take place. */ sata_id_t *sata_id; sata_scsi_dmafree(NULL, scsipkt); len = 0; /* Build log parameter header */ buf[len++] = page_code; /* page code as in the CDB */ buf[len++] = 0; /* reserved */ buf[len++] = 0; /* Zero out page length for now (MSB) */ buf[len++] = 0; /* (LSB) */ sdinfo = sata_get_device_info( spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); /* * Add requested pages. */ switch (page_code) { case PAGE_CODE_GET_SUPPORTED_LOG_PAGES: len = sata_build_lsense_page_0(sdinfo, buf + len); break; case PAGE_CODE_SELF_TEST_RESULTS: sata_id = &sdinfo->satadrv_id; if ((! (sata_id->ai_cmdset84 & SATA_SMART_SELF_TEST_SUPPORTED)) || (! (sata_id->ai_features87 & SATA_SMART_SELF_TEST_SUPPORTED))) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; goto done; } len = sata_build_lsense_page_10(sdinfo, buf + len, spx->txlt_sata_hba_inst); break; case PAGE_CODE_INFORMATION_EXCEPTIONS: sata_id = &sdinfo->satadrv_id; if (! (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED)) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; goto done; } if (! (sata_id->ai_features85 & SATA_SMART_ENABLED)) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ABORTED_COMMAND; sense->es_add_code = SCSI_ASC_ATA_DEV_FEAT_NOT_ENABLED; sense->es_qual_code = SCSI_ASCQ_ATA_DEV_FEAT_NOT_ENABLED; goto done; } len = sata_build_lsense_page_2f(sdinfo, buf + len, spx->txlt_sata_hba_inst); break; case PAGE_CODE_SMART_READ_DATA: sata_id = &sdinfo->satadrv_id; if (! (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED)) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; goto done; } if (! (sata_id->ai_features85 & SATA_SMART_ENABLED)) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ABORTED_COMMAND; sense->es_add_code = SCSI_ASC_ATA_DEV_FEAT_NOT_ENABLED; sense->es_qual_code = SCSI_ASCQ_ATA_DEV_FEAT_NOT_ENABLED; goto done; } /* This page doesn't include a page header */ len = sata_build_lsense_page_30(sdinfo, buf, spx->txlt_sata_hba_inst); goto no_header; case PAGE_CODE_START_STOP_CYCLE_COUNTER: sata_id = &sdinfo->satadrv_id; if (! (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED)) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; goto done; } if (! (sata_id->ai_features85 & SATA_SMART_ENABLED)) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ABORTED_COMMAND; sense->es_add_code = SCSI_ASC_ATA_DEV_FEAT_NOT_ENABLED; sense->es_qual_code = SCSI_ASCQ_ATA_DEV_FEAT_NOT_ENABLED; goto done; } len = sata_build_lsense_page_0e(sdinfo, buf, spx); goto no_header; default: /* Invalid request */ *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; goto done; } /* set parameter log sense data length */ buf[2] = len >> 8; /* log sense length (MSB) */ buf[3] = len & 0xff; /* log sense length (LSB) */ len += SCSI_LOG_PAGE_HDR_LEN; ASSERT(len <= MAX_LOG_SENSE_PAGE_SIZE); no_header: /* Check allocation length */ alc_len = scsipkt->pkt_cdbp[7]; alc_len = (len << 8) | scsipkt->pkt_cdbp[8]; /* * We do not check for possible parameters truncation * (alc_len < len) assuming that the target driver works * correctly. Just avoiding overrun. * Copy no more than requested and possible, buffer-wise. */ count = MIN(alc_len, len); count = MIN(bp->b_bcount, count); bcopy(buf, bp->b_un.b_addr, count); scsipkt->pkt_state |= STATE_XFERRED_DATA; scsipkt->pkt_resid = alc_len > count ? alc_len - count : 0; } *scsipkt->pkt_scbp = STATUS_GOOD; done: mutex_exit(cport_mutex); (void) kmem_free(buf, MAX_LOG_SENSE_PAGE_SIZE); SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (TRAN_ACCEPT); } /* * Translate command: Log Select * Not implemented at this time - returns invalid command response. */ static int sata_txlt_log_select(sata_pkt_txlate_t *spx) { SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_txlt_log_select\n", NULL); return (sata_txlt_invalid_command(spx)); } /* * Translate command: Read (various types). * Translated into appropriate type of ATA READ command * for SATA hard disks. * Both the device capabilities and requested operation mode are * considered. * * Following scsi cdb fields are ignored: * rdprotect, dpo, fua, fua_nv, group_number. * * If SATA_ENABLE_QUEUING flag is set (in the global SATA HBA framework * enable variable sata_func_enable), the capability of the controller and * capability of a device are checked and if both support queueing, read * request will be translated to READ_DMA_QUEUEING or READ_DMA_QUEUEING_EXT * command rather than plain READ_XXX command. * If SATA_ENABLE_NCQ flag is set in addition to SATA_ENABLE_QUEUING flag and * both the controller and device suport such functionality, the read * request will be translated to READ_FPDMA_QUEUED command. * In both cases the maximum queue depth is derived as minimum of: * HBA capability,device capability and sata_max_queue_depth variable setting. * The value passed to HBA driver is decremented by 1, because only 5 bits are * used to pass max queue depth value, and the maximum possible queue depth * is 32. * * Returns TRAN_ACCEPT or code returned by sata_hba_start() and * appropriate values in scsi_pkt fields. */ static int sata_txlt_read(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; sata_drive_info_t *sdinfo; sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); uint16_t sec_count; uint64_t lba; int rval, reason; int synch; mutex_enter(cport_mutex); if (((rval = sata_txlt_generic_pkt_info(spx, &reason, 0)) != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); return (rval); } sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; /* * Extract LBA and sector count from scsi CDB. */ switch ((uint_t)scsipkt->pkt_cdbp[0]) { case SCMD_READ: /* 6-byte scsi read cmd : 0x08 */ lba = (scsipkt->pkt_cdbp[1] & 0x1f); lba = (lba << 8) | scsipkt->pkt_cdbp[2]; lba = (lba << 8) | scsipkt->pkt_cdbp[3]; sec_count = scsipkt->pkt_cdbp[4]; /* sec_count 0 will be interpreted as 256 by a device */ break; case SCMD_READ_G1: /* 10-bytes scsi read command : 0x28 */ lba = scsipkt->pkt_cdbp[2]; lba = (lba << 8) | scsipkt->pkt_cdbp[3]; lba = (lba << 8) | scsipkt->pkt_cdbp[4]; lba = (lba << 8) | scsipkt->pkt_cdbp[5]; sec_count = scsipkt->pkt_cdbp[7]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; break; case SCMD_READ_G5: /* 12-bytes scsi read command : 0xA8 */ lba = scsipkt->pkt_cdbp[2]; lba = (lba << 8) | scsipkt->pkt_cdbp[3]; lba = (lba << 8) | scsipkt->pkt_cdbp[4]; lba = (lba << 8) | scsipkt->pkt_cdbp[5]; sec_count = scsipkt->pkt_cdbp[6]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[7]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[9]; break; case SCMD_READ_G4: /* 16-bytes scsi read command : 0x88 */ lba = scsipkt->pkt_cdbp[2]; lba = (lba << 8) | scsipkt->pkt_cdbp[3]; lba = (lba << 8) | scsipkt->pkt_cdbp[4]; lba = (lba << 8) | scsipkt->pkt_cdbp[5]; lba = (lba << 8) | scsipkt->pkt_cdbp[6]; lba = (lba << 8) | scsipkt->pkt_cdbp[7]; lba = (lba << 8) | scsipkt->pkt_cdbp[8]; lba = (lba << 8) | scsipkt->pkt_cdbp[9]; sec_count = scsipkt->pkt_cdbp[10]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[11]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[12]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[13]; break; default: /* Unsupported command */ mutex_exit(cport_mutex); return (sata_txlt_invalid_command(spx)); } /* * Check if specified address exceeds device capacity */ if ((lba >= sdinfo->satadrv_capacity) || ((lba + sec_count) > sdinfo->satadrv_capacity)) { /* LBA out of range */ mutex_exit(cport_mutex); return (sata_txlt_lba_out_of_range(spx)); } /* * For zero-length transfer, emulate good completion of the command * (reasons for rejecting the command were already checked). * No DMA resources were allocated. */ if (spx->txlt_dma_cookie_list == NULL) { mutex_exit(cport_mutex); return (sata_emul_rw_completion(spx)); } /* * Build cmd block depending on the device capability and * requested operation mode. * Do not bother with non-dma mode - we are working only with * devices supporting DMA. */ scmd->satacmd_addr_type = ATA_ADDR_LBA; scmd->satacmd_device_reg = SATA_ADH_LBA; scmd->satacmd_cmd_reg = SATAC_READ_DMA; if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) { scmd->satacmd_addr_type = ATA_ADDR_LBA48; scmd->satacmd_cmd_reg = SATAC_READ_DMA_EXT; scmd->satacmd_sec_count_msb = sec_count >> 8; #ifndef __lock_lint scmd->satacmd_lba_low_msb = (lba >> 24) & 0xff; scmd->satacmd_lba_mid_msb = (lba >> 32) & 0xff; scmd->satacmd_lba_high_msb = lba >> 40; #endif } else if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA28) { scmd->satacmd_addr_type = ATA_ADDR_LBA28; scmd->satacmd_device_reg = SATA_ADH_LBA | ((lba >> 24) & 0xf); } scmd->satacmd_sec_count_lsb = sec_count & 0xff; scmd->satacmd_lba_low_lsb = lba & 0xff; scmd->satacmd_lba_mid_lsb = (lba >> 8) & 0xff; scmd->satacmd_lba_high_lsb = (lba >> 16) & 0xff; scmd->satacmd_features_reg = 0; scmd->satacmd_status_reg = 0; scmd->satacmd_error_reg = 0; /* * Check if queueing commands should be used and switch * to appropriate command if possible */ if (sata_func_enable & SATA_ENABLE_QUEUING) { boolean_t using_queuing; /* Queuing supported by controller and device? */ if ((sata_func_enable & SATA_ENABLE_NCQ) && (sdinfo->satadrv_features_support & SATA_DEV_F_NCQ) && (SATA_FEATURES(spx->txlt_sata_hba_inst) & SATA_CTLF_NCQ)) { using_queuing = B_TRUE; /* NCQ supported - use FPDMA READ */ scmd->satacmd_cmd_reg = SATAC_READ_FPDMA_QUEUED; scmd->satacmd_features_reg_ext = scmd->satacmd_sec_count_msb; scmd->satacmd_sec_count_msb = 0; } else if ((sdinfo->satadrv_features_support & SATA_DEV_F_TCQ) && (SATA_FEATURES(spx->txlt_sata_hba_inst) & SATA_CTLF_QCMD)) { using_queuing = B_TRUE; /* Legacy queueing */ if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) { scmd->satacmd_cmd_reg = SATAC_READ_DMA_QUEUED_EXT; scmd->satacmd_features_reg_ext = scmd->satacmd_sec_count_msb; scmd->satacmd_sec_count_msb = 0; } else { scmd->satacmd_cmd_reg = SATAC_READ_DMA_QUEUED; } } else /* NCQ nor legacy queuing not supported */ using_queuing = B_FALSE; /* * If queuing, the sector count goes in the features register * and the secount count will contain the tag. */ if (using_queuing) { scmd->satacmd_features_reg = scmd->satacmd_sec_count_lsb; scmd->satacmd_sec_count_lsb = 0; scmd->satacmd_flags.sata_queued = B_TRUE; /* Set-up maximum queue depth */ scmd->satacmd_flags.sata_max_queue_depth = sdinfo->satadrv_max_queue_depth - 1; } else if (sdinfo->satadrv_features_enabled & SATA_DEV_F_E_UNTAGGED_QING) { /* * Although NCQ/TCQ is not enabled, untagged queuing * may be still used. * Set-up the maximum untagged queue depth. * Use controller's queue depth from sata_hba_tran. * SATA HBA drivers may ignore this value and rely on * the internal limits.For drivers that do not * ignore untaged queue depth, limit the value to * SATA_MAX_QUEUE_DEPTH (32), as this is the * largest value that can be passed via * satacmd_flags.sata_max_queue_depth. */ scmd->satacmd_flags.sata_max_queue_depth = SATA_QDEPTH(shi) <= SATA_MAX_QUEUE_DEPTH ? SATA_QDEPTH(shi) - 1: SATA_MAX_QUEUE_DEPTH - 1; } else { scmd->satacmd_flags.sata_max_queue_depth = 0; } } else scmd->satacmd_flags.sata_max_queue_depth = 0; SATADBG3(SATA_DBG_HBA_IF, spx->txlt_sata_hba_inst, "sata_txlt_read cmd 0x%2x, lba %llx, sec count %x\n", scmd->satacmd_cmd_reg, lba, sec_count); if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { /* Need callback function */ spx->txlt_sata_pkt->satapkt_comp = sata_txlt_rw_completion; synch = FALSE; } else synch = TRUE; /* Transfer command to HBA */ if (sata_hba_start(spx, &rval) != 0) { /* Pkt not accepted for execution */ mutex_exit(cport_mutex); return (rval); } mutex_exit(cport_mutex); /* * If execution is non-synchronous, * a callback function will handle potential errors, translate * the response and will do a callback to a target driver. * If it was synchronous, check execution status using the same * framework callback. */ if (synch) { SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "synchronous execution status %x\n", spx->txlt_sata_pkt->satapkt_reason); sata_txlt_rw_completion(spx->txlt_sata_pkt); } return (TRAN_ACCEPT); } /* * SATA translate command: Write (various types) * Translated into appropriate type of ATA WRITE command * for SATA hard disks. * Both the device capabilities and requested operation mode are * considered. * * Following scsi cdb fields are ignored: * rwprotect, dpo, fua, fua_nv, group_number. * * If SATA_ENABLE_QUEUING flag is set (in the global SATA HBA framework * enable variable sata_func_enable), the capability of the controller and * capability of a device are checked and if both support queueing, write * request will be translated to WRITE_DMA_QUEUEING or WRITE_DMA_QUEUEING_EXT * command rather than plain WRITE_XXX command. * If SATA_ENABLE_NCQ flag is set in addition to SATA_ENABLE_QUEUING flag and * both the controller and device suport such functionality, the write * request will be translated to WRITE_FPDMA_QUEUED command. * In both cases the maximum queue depth is derived as minimum of: * HBA capability,device capability and sata_max_queue_depth variable setting. * The value passed to HBA driver is decremented by 1, because only 5 bits are * used to pass max queue depth value, and the maximum possible queue depth * is 32. * * Returns TRAN_ACCEPT or code returned by sata_hba_start() and * appropriate values in scsi_pkt fields. */ static int sata_txlt_write(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; sata_drive_info_t *sdinfo; sata_hba_inst_t *shi = SATA_TXLT_HBA_INST(spx); uint16_t sec_count; uint64_t lba; int rval, reason; int synch; kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); mutex_enter(cport_mutex); if (((rval = sata_txlt_generic_pkt_info(spx, &reason, 0)) != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); return (rval); } sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); scmd->satacmd_flags.sata_data_direction = SATA_DIR_WRITE; /* * Extract LBA and sector count from scsi CDB */ switch ((uint_t)scsipkt->pkt_cdbp[0]) { case SCMD_WRITE: /* 6-byte scsi read cmd : 0x0A */ lba = (scsipkt->pkt_cdbp[1] & 0x1f); lba = (lba << 8) | scsipkt->pkt_cdbp[2]; lba = (lba << 8) | scsipkt->pkt_cdbp[3]; sec_count = scsipkt->pkt_cdbp[4]; /* sec_count 0 will be interpreted as 256 by a device */ break; case SCMD_WRITE_G1: /* 10-bytes scsi write command : 0x2A */ lba = scsipkt->pkt_cdbp[2]; lba = (lba << 8) | scsipkt->pkt_cdbp[3]; lba = (lba << 8) | scsipkt->pkt_cdbp[4]; lba = (lba << 8) | scsipkt->pkt_cdbp[5]; sec_count = scsipkt->pkt_cdbp[7]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; break; case SCMD_WRITE_G5: /* 12-bytes scsi read command : 0xAA */ lba = scsipkt->pkt_cdbp[2]; lba = (lba << 8) | scsipkt->pkt_cdbp[3]; lba = (lba << 8) | scsipkt->pkt_cdbp[4]; lba = (lba << 8) | scsipkt->pkt_cdbp[5]; sec_count = scsipkt->pkt_cdbp[6]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[7]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[8]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[9]; break; case SCMD_WRITE_G4: /* 16-bytes scsi write command : 0x8A */ lba = scsipkt->pkt_cdbp[2]; lba = (lba << 8) | scsipkt->pkt_cdbp[3]; lba = (lba << 8) | scsipkt->pkt_cdbp[4]; lba = (lba << 8) | scsipkt->pkt_cdbp[5]; lba = (lba << 8) | scsipkt->pkt_cdbp[6]; lba = (lba << 8) | scsipkt->pkt_cdbp[7]; lba = (lba << 8) | scsipkt->pkt_cdbp[8]; lba = (lba << 8) | scsipkt->pkt_cdbp[9]; sec_count = scsipkt->pkt_cdbp[10]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[11]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[12]; sec_count = (sec_count << 8) | scsipkt->pkt_cdbp[13]; break; default: /* Unsupported command */ mutex_exit(cport_mutex); return (sata_txlt_invalid_command(spx)); } /* * Check if specified address and length exceeds device capacity */ if ((lba >= sdinfo->satadrv_capacity) || ((lba + sec_count) > sdinfo->satadrv_capacity)) { /* LBA out of range */ mutex_exit(cport_mutex); return (sata_txlt_lba_out_of_range(spx)); } /* * For zero-length transfer, emulate good completion of the command * (reasons for rejecting the command were already checked). * No DMA resources were allocated. */ if (spx->txlt_dma_cookie_list == NULL) { mutex_exit(cport_mutex); return (sata_emul_rw_completion(spx)); } /* * Build cmd block depending on the device capability and * requested operation mode. * Do not bother with non-dma mode- we are working only with * devices supporting DMA. */ scmd->satacmd_addr_type = ATA_ADDR_LBA; scmd->satacmd_device_reg = SATA_ADH_LBA; scmd->satacmd_cmd_reg = SATAC_WRITE_DMA; if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) { scmd->satacmd_addr_type = ATA_ADDR_LBA48; scmd->satacmd_cmd_reg = SATAC_WRITE_DMA_EXT; scmd->satacmd_sec_count_msb = sec_count >> 8; scmd->satacmd_lba_low_msb = (lba >> 24) & 0xff; #ifndef __lock_lint scmd->satacmd_lba_mid_msb = (lba >> 32) & 0xff; scmd->satacmd_lba_high_msb = lba >> 40; #endif } else if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA28) { scmd->satacmd_addr_type = ATA_ADDR_LBA28; scmd->satacmd_device_reg = SATA_ADH_LBA | ((lba >> 24) & 0xf); } scmd->satacmd_sec_count_lsb = sec_count & 0xff; scmd->satacmd_lba_low_lsb = lba & 0xff; scmd->satacmd_lba_mid_lsb = (lba >> 8) & 0xff; scmd->satacmd_lba_high_lsb = (lba >> 16) & 0xff; scmd->satacmd_features_reg = 0; scmd->satacmd_status_reg = 0; scmd->satacmd_error_reg = 0; /* * Check if queueing commands should be used and switch * to appropriate command if possible */ if (sata_func_enable & SATA_ENABLE_QUEUING) { boolean_t using_queuing; /* Queuing supported by controller and device? */ if ((sata_func_enable & SATA_ENABLE_NCQ) && (sdinfo->satadrv_features_support & SATA_DEV_F_NCQ) && (SATA_FEATURES(spx->txlt_sata_hba_inst) & SATA_CTLF_NCQ)) { using_queuing = B_TRUE; /* NCQ supported - use FPDMA WRITE */ scmd->satacmd_cmd_reg = SATAC_WRITE_FPDMA_QUEUED; scmd->satacmd_features_reg_ext = scmd->satacmd_sec_count_msb; scmd->satacmd_sec_count_msb = 0; } else if ((sdinfo->satadrv_features_support & SATA_DEV_F_TCQ) && (SATA_FEATURES(spx->txlt_sata_hba_inst) & SATA_CTLF_QCMD)) { using_queuing = B_TRUE; /* Legacy queueing */ if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) { scmd->satacmd_cmd_reg = SATAC_WRITE_DMA_QUEUED_EXT; scmd->satacmd_features_reg_ext = scmd->satacmd_sec_count_msb; scmd->satacmd_sec_count_msb = 0; } else { scmd->satacmd_cmd_reg = SATAC_WRITE_DMA_QUEUED; } } else /* NCQ nor legacy queuing not supported */ using_queuing = B_FALSE; if (using_queuing) { scmd->satacmd_features_reg = scmd->satacmd_sec_count_lsb; scmd->satacmd_sec_count_lsb = 0; scmd->satacmd_flags.sata_queued = B_TRUE; /* Set-up maximum queue depth */ scmd->satacmd_flags.sata_max_queue_depth = sdinfo->satadrv_max_queue_depth - 1; } else if (sdinfo->satadrv_features_enabled & SATA_DEV_F_E_UNTAGGED_QING) { /* * Although NCQ/TCQ is not enabled, untagged queuing * may be still used. * Set-up the maximum untagged queue depth. * Use controller's queue depth from sata_hba_tran. * SATA HBA drivers may ignore this value and rely on * the internal limits. For drivera that do not * ignore untaged queue depth, limit the value to * SATA_MAX_QUEUE_DEPTH (32), as this is the * largest value that can be passed via * satacmd_flags.sata_max_queue_depth. */ scmd->satacmd_flags.sata_max_queue_depth = SATA_QDEPTH(shi) <= SATA_MAX_QUEUE_DEPTH ? SATA_QDEPTH(shi) - 1: SATA_MAX_QUEUE_DEPTH - 1; } else { scmd->satacmd_flags.sata_max_queue_depth = 0; } } else scmd->satacmd_flags.sata_max_queue_depth = 0; SATADBG3(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_txlt_write cmd 0x%2x, lba %llx, sec count %x\n", scmd->satacmd_cmd_reg, lba, sec_count); if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { /* Need callback function */ spx->txlt_sata_pkt->satapkt_comp = sata_txlt_rw_completion; synch = FALSE; } else synch = TRUE; /* Transfer command to HBA */ if (sata_hba_start(spx, &rval) != 0) { /* Pkt not accepted for execution */ mutex_exit(cport_mutex); return (rval); } mutex_exit(cport_mutex); /* * If execution is non-synchronous, * a callback function will handle potential errors, translate * the response and will do a callback to a target driver. * If it was synchronous, check execution status using the same * framework callback. */ if (synch) { SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "synchronous execution status %x\n", spx->txlt_sata_pkt->satapkt_reason); sata_txlt_rw_completion(spx->txlt_sata_pkt); } return (TRAN_ACCEPT); } /* * Implements SCSI SBC WRITE BUFFER command download microcode option */ static int sata_txlt_write_buffer(sata_pkt_txlate_t *spx) { #define WB_DOWNLOAD_MICROCODE_AND_REVERT_MODE 4 #define WB_DOWNLOAD_MICROCODE_AND_SAVE_MODE 5 struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct sata_pkt *sata_pkt = spx->txlt_sata_pkt; sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; struct scsi_extended_sense *sense; int rval, mode, sector_count, reason; kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); mode = scsipkt->pkt_cdbp[1] & 0x1f; SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_txlt_write_buffer, mode 0x%x\n", mode); mutex_enter(cport_mutex); if ((rval = sata_txlt_generic_pkt_info(spx, &reason, 1)) != TRAN_ACCEPT) { mutex_exit(cport_mutex); return (rval); } /* Use synchronous mode */ spx->txlt_sata_pkt->satapkt_op_mode |= SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; scmd->satacmd_flags.sata_data_direction = SATA_DIR_WRITE; scsipkt->pkt_reason = CMD_CMPLT; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; /* * The SCSI to ATA translation specification only calls * for WB_DOWNLOAD_MICROCODE_AND_SAVE_MODE. * WB_DOWNLOAD_MICROC_AND_REVERT_MODE is implemented, but * ATA 8 (draft) got rid of download microcode for temp * and it is even optional for ATA 7, so it may be aborted. * WB_DOWNLOAD_MICROCODE_WITH_OFFSET is not implemented as * it is not specified and the buffer offset for SCSI is a 16-bit * value in bytes, but for ATA it is a 16-bit offset in 512 byte * sectors. Thus the offset really doesn't buy us anything. * If and when ATA 8 is stabilized and the SCSI to ATA specification * is revised, this can be revisisted. */ /* Reject not supported request */ switch (mode) { case WB_DOWNLOAD_MICROCODE_AND_REVERT_MODE: scmd->satacmd_features_reg = SATA_DOWNLOAD_MCODE_TEMP; break; case WB_DOWNLOAD_MICROCODE_AND_SAVE_MODE: scmd->satacmd_features_reg = SATA_DOWNLOAD_MCODE_SAVE; break; default: goto bad_param; } *scsipkt->pkt_scbp = STATUS_GOOD; /* Presumed outcome */ scmd->satacmd_cmd_reg = SATAC_DOWNLOAD_MICROCODE; if ((bp->b_bcount % SATA_DISK_SECTOR_SIZE) != 0) goto bad_param; sector_count = bp->b_bcount / SATA_DISK_SECTOR_SIZE; scmd->satacmd_sec_count_lsb = (uint8_t)sector_count; scmd->satacmd_lba_low_lsb = ((uint16_t)sector_count) >> 8; scmd->satacmd_lba_mid_lsb = 0; scmd->satacmd_lba_high_lsb = 0; scmd->satacmd_device_reg = 0; spx->txlt_sata_pkt->satapkt_comp = NULL; scmd->satacmd_addr_type = 0; /* Transfer command to HBA */ if (sata_hba_start(spx, &rval) != 0) { /* Pkt not accepted for execution */ mutex_exit(cport_mutex); return (rval); } mutex_exit(cport_mutex); /* Then we need synchronous check the status of the disk */ scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_XFERRED_DATA | STATE_GOT_STATUS; if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { scsipkt->pkt_reason = CMD_CMPLT; /* Download commmand succeed, so probe and identify device */ sata_reidentify_device(spx); } else { /* Something went wrong, microcode download command failed */ scsipkt->pkt_reason = CMD_INCOMPLETE; *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); switch (sata_pkt->satapkt_reason) { case SATA_PKT_PORT_ERROR: /* * We have no device data. Assume no data transfered. */ sense->es_key = KEY_HARDWARE_ERROR; break; case SATA_PKT_DEV_ERROR: if (sata_pkt->satapkt_cmd.satacmd_status_reg & SATA_STATUS_ERR) { /* * determine dev error reason from error * reg content */ sata_decode_device_error(spx, sense); break; } /* No extended sense key - no info available */ break; case SATA_PKT_TIMEOUT: scsipkt->pkt_reason = CMD_TIMEOUT; scsipkt->pkt_statistics |= STAT_TIMEOUT | STAT_DEV_RESET; /* No extended sense key ? */ break; case SATA_PKT_ABORTED: scsipkt->pkt_reason = CMD_ABORTED; scsipkt->pkt_statistics |= STAT_ABORTED; /* No extended sense key ? */ break; case SATA_PKT_RESET: /* pkt aborted by an explicit reset from a host */ scsipkt->pkt_reason = CMD_RESET; scsipkt->pkt_statistics |= STAT_DEV_RESET; break; default: SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, "sata_txlt_nodata_cmd_completion: " "invalid packet completion reason %d", sata_pkt->satapkt_reason)); scsipkt->pkt_reason = CMD_TRAN_ERR; break; } SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "scsi_pkt completion reason %x\n", scsipkt->pkt_reason); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0) /* scsi callback required */ scsi_hba_pkt_comp(scsipkt); } return (TRAN_ACCEPT); bad_param: mutex_exit(cport_mutex); *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (rval); } /* * Re-identify device after doing a firmware download. */ static void sata_reidentify_device(sata_pkt_txlate_t *spx) { #define DOWNLOAD_WAIT_TIME_SECS 60 #define DOWNLOAD_WAIT_INTERVAL_SECS 1 int rval; int retry_cnt; struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; sata_hba_inst_t *sata_hba_inst = spx->txlt_sata_hba_inst; sata_device_t sata_device = spx->txlt_sata_pkt->satapkt_device; sata_drive_info_t *sdinfo; /* * Before returning good status, probe device. * Device probing will get IDENTIFY DEVICE data, if possible. * The assumption is that the new microcode is applied by the * device. It is a caller responsibility to verify this. */ for (retry_cnt = 0; retry_cnt < DOWNLOAD_WAIT_TIME_SECS / DOWNLOAD_WAIT_INTERVAL_SECS; retry_cnt++) { rval = sata_probe_device(sata_hba_inst, &sata_device); if (rval == SATA_SUCCESS) { /* Set default features */ sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); if (sata_initialize_device(sata_hba_inst, sdinfo) != SATA_SUCCESS) { /* retry */ rval = sata_initialize_device(sata_hba_inst, sdinfo); if (rval == SATA_RETRY) sata_log(sata_hba_inst, CE_WARN, "SATA device at port %d pmport %d -" " default device features could not" " be set. Device may not operate " "as expected.", sata_device.satadev_addr.cport, sata_device.satadev_addr.pmport); } if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0) scsi_hba_pkt_comp(scsipkt); return; } else if (rval == SATA_RETRY) { delay(drv_usectohz(1000000 * DOWNLOAD_WAIT_INTERVAL_SECS)); continue; } else /* failed - no reason to retry */ break; } /* * Something went wrong, device probing failed. */ SATA_LOG_D((sata_hba_inst, CE_WARN, "Cannot probe device after downloading microcode\n")); /* Reset device to force retrying the probe. */ (void) (*SATA_RESET_DPORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0) scsi_hba_pkt_comp(scsipkt); } /* * Translate command: Synchronize Cache. * Translates into Flush Cache command for SATA hard disks. * * Returns TRAN_ACCEPT or code returned by sata_hba_start() and * appropriate values in scsi_pkt fields. */ static int sata_txlt_synchronize_cache(sata_pkt_txlate_t *spx) { sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); int rval, reason; int synch; mutex_enter(cport_mutex); if (((rval = sata_txlt_generic_pkt_info(spx, &reason, 1)) != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); return (rval); } scmd->satacmd_addr_type = 0; scmd->satacmd_cmd_reg = SATAC_FLUSH_CACHE; scmd->satacmd_device_reg = 0; scmd->satacmd_sec_count_lsb = 0; scmd->satacmd_lba_low_lsb = 0; scmd->satacmd_lba_mid_lsb = 0; scmd->satacmd_lba_high_lsb = 0; scmd->satacmd_features_reg = 0; scmd->satacmd_status_reg = 0; scmd->satacmd_error_reg = 0; SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "sata_txlt_synchronize_cache\n", NULL); if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { /* Need to set-up a callback function */ spx->txlt_sata_pkt->satapkt_comp = sata_txlt_nodata_cmd_completion; synch = FALSE; } else synch = TRUE; /* Transfer command to HBA */ if (sata_hba_start(spx, &rval) != 0) { /* Pkt not accepted for execution */ mutex_exit(cport_mutex); return (rval); } mutex_exit(cport_mutex); /* * If execution non-synchronous, it had to be completed * a callback function will handle potential errors, translate * the response and will do a callback to a target driver. * If it was synchronous, check status, using the same * framework callback. */ if (synch) { SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "synchronous execution status %x\n", spx->txlt_sata_pkt->satapkt_reason); sata_txlt_nodata_cmd_completion(spx->txlt_sata_pkt); } return (TRAN_ACCEPT); } /* * Send pkt to SATA HBA driver * * This function may be called only if the operation is requested by scsi_pkt, * i.e. scsi_pkt is not NULL. * * This function has to be called with cport mutex held. It does release * the mutex when it calls HBA driver sata_tran_start function and * re-acquires it afterwards. * * If return value is 0, pkt was accepted, -1 otherwise * rval is set to appropriate sata_scsi_start return value. * * Note 1:If HBA driver returns value other than TRAN_ACCEPT, it should not * have called the sata_pkt callback function for this packet. * * The scsi callback has to be performed by the caller of this routine. */ static int sata_hba_start(sata_pkt_txlate_t *spx, int *rval) { int stat; uint8_t cport = SATA_TXLT_CPORT(spx); uint8_t pmport = SATA_TXLT_PMPORT(spx); sata_hba_inst_t *sata_hba_inst = spx->txlt_sata_hba_inst; sata_drive_info_t *sdinfo; sata_pmult_info_t *pminfo; sata_pmport_info_t *pmportinfo = NULL; sata_device_t *sata_device = NULL; uint8_t cmd; struct sata_cmd_flags cmd_flags; ASSERT(spx->txlt_sata_pkt != NULL); ASSERT(mutex_owned(&SATA_CPORT_MUTEX(sata_hba_inst, cport))); sdinfo = sata_get_device_info(sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); ASSERT(sdinfo != NULL); /* Clear device reset state? */ /* qual should be XXX_DPMPORT, but add XXX_PMPORT in case */ if (sdinfo->satadrv_addr.qual == SATA_ADDR_DPMPORT || sdinfo->satadrv_addr.qual == SATA_ADDR_PMPORT) { /* * Get the pmult_info of the its parent port multiplier, all * sub-devices share a common device reset flags on in * pmult_info. */ pminfo = SATA_PMULT_INFO(sata_hba_inst, cport); pmportinfo = pminfo->pmult_dev_port[pmport]; ASSERT(pminfo != NULL); if (pminfo->pmult_event_flags & SATA_EVNT_CLEAR_DEVICE_RESET) { spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags. sata_clear_dev_reset = B_TRUE; pminfo->pmult_event_flags &= ~SATA_EVNT_CLEAR_DEVICE_RESET; SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, "sata_hba_start: clearing device reset state" "on pmult.\n", NULL); } } else { if (sdinfo->satadrv_event_flags & SATA_EVNT_CLEAR_DEVICE_RESET) { spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags. sata_clear_dev_reset = B_TRUE; sdinfo->satadrv_event_flags &= ~SATA_EVNT_CLEAR_DEVICE_RESET; SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, "sata_hba_start: clearing device reset state\n", NULL); } } cmd = spx->txlt_sata_pkt->satapkt_cmd.satacmd_cmd_reg; cmd_flags = spx->txlt_sata_pkt->satapkt_cmd.satacmd_flags; sata_device = &spx->txlt_sata_pkt->satapkt_device; mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Sata cmd 0x%2x\n", cmd); stat = (*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spx->txlt_sata_pkt); mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); /* * If sata pkt was accepted and executed in asynchronous mode, i.e. * with the sata callback, the sata_pkt could be already destroyed * by the time we check ther return status from the hba_start() * function, because sata_scsi_destroy_pkt() could have been already * called (perhaps in the interrupt context). So, in such case, there * should be no references to it. In other cases, sata_pkt still * exists. */ if (stat == SATA_TRAN_ACCEPTED) { /* * pkt accepted for execution. * If it was executed synchronously, it is already completed * and pkt completion_reason indicates completion status. */ *rval = TRAN_ACCEPT; return (0); } sdinfo = sata_get_device_info(sata_hba_inst, sata_device); switch (stat) { case SATA_TRAN_QUEUE_FULL: /* * Controller detected queue full condition. */ SATADBG1(SATA_DBG_HBA_IF, sata_hba_inst, "sata_hba_start: queue full\n", NULL); spx->txlt_scsi_pkt->pkt_reason = CMD_INCOMPLETE; *spx->txlt_scsi_pkt->pkt_scbp = STATUS_QFULL; *rval = TRAN_BUSY; break; case SATA_TRAN_PORT_ERROR: /* * Communication/link with device or general port error * detected before pkt execution begun. */ if (spx->txlt_sata_pkt->satapkt_device.satadev_addr.qual == SATA_ADDR_CPORT || spx->txlt_sata_pkt->satapkt_device.satadev_addr.qual == SATA_ADDR_DCPORT) sata_log(sata_hba_inst, CE_CONT, "SATA port %d error", sata_device->satadev_addr.cport); else sata_log(sata_hba_inst, CE_CONT, "SATA port %d:%d error\n", sata_device->satadev_addr.cport, sata_device->satadev_addr.pmport); /* * Update the port/device structure. * sata_pkt should be still valid. Since port error is * returned, sata_device content should reflect port * state - it means, that sata address have been changed, * because original packet's sata address refered to a device * attached to some port. */ if (sata_device->satadev_addr.qual == SATA_ADDR_DPMPORT || sata_device->satadev_addr.qual == SATA_ADDR_PMPORT) { mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); mutex_enter(&pmportinfo->pmport_mutex); sata_update_pmport_info(sata_hba_inst, sata_device); mutex_exit(&pmportinfo->pmport_mutex); mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); } else { sata_update_port_info(sata_hba_inst, sata_device); } spx->txlt_scsi_pkt->pkt_reason = CMD_TRAN_ERR; *rval = TRAN_FATAL_ERROR; break; case SATA_TRAN_CMD_UNSUPPORTED: /* * Command rejected by HBA as unsupported. It was HBA driver * that rejected the command, command was not sent to * an attached device. */ if ((sdinfo != NULL) && (sdinfo->satadrv_state & SATA_DSTATE_RESET)) SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, "sat_hba_start: cmd 0x%2x rejected " "with SATA_TRAN_CMD_UNSUPPORTED status\n", cmd); mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); (void) sata_txlt_invalid_command(spx); mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); *rval = TRAN_ACCEPT; break; case SATA_TRAN_BUSY: /* * Command rejected by HBA because other operation prevents * accepting the packet, or device is in RESET condition. */ if (sdinfo != NULL) { sdinfo->satadrv_state = spx->txlt_sata_pkt->satapkt_device.satadev_state; if (sdinfo->satadrv_state & SATA_DSTATE_RESET) { SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, "sata_hba_start: cmd 0x%2x rejected " "because of device reset condition\n", cmd); } else { SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, "sata_hba_start: cmd 0x%2x rejected " "with SATA_TRAN_BUSY status\n", cmd); } } spx->txlt_scsi_pkt->pkt_reason = CMD_INCOMPLETE; *rval = TRAN_BUSY; break; default: /* Unrecognized HBA response */ SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_start: unrecognized HBA response " "to cmd : 0x%2x resp 0x%x", cmd, rval)); spx->txlt_scsi_pkt->pkt_reason = CMD_TRAN_ERR; *rval = TRAN_FATAL_ERROR; break; } /* * If we got here, the packet was rejected. * Check if we need to remember reset state clearing request */ if (cmd_flags.sata_clear_dev_reset) { /* * Check if device is still configured - it may have * disapeared from the configuration */ sdinfo = sata_get_device_info(sata_hba_inst, sata_device); if (sdinfo != NULL) { /* * Restore the flag that requests clearing of * the device reset state, * so the next sata packet may carry it to HBA. */ if (sdinfo->satadrv_addr.qual == SATA_ADDR_PMPORT || sdinfo->satadrv_addr.qual == SATA_ADDR_DPMPORT) { pminfo->pmult_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; } else { sdinfo->satadrv_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; } } } return (-1); } /* * Scsi response setup for invalid LBA * * Returns TRAN_ACCEPT and appropriate values in scsi_pkt fields. */ static int sata_txlt_lba_out_of_range(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct scsi_extended_sense *sense; scsipkt->pkt_reason = CMD_CMPLT; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; *scsipkt->pkt_scbp = STATUS_CHECK; *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_LBA_OUT_OF_RANGE; SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (TRAN_ACCEPT); } /* * Analyze device status and error registers and translate them into * appropriate scsi sense codes. * NOTE: non-packet commands only for now */ static void sata_decode_device_error(sata_pkt_txlate_t *spx, struct scsi_extended_sense *sense) { uint8_t err_reg = spx->txlt_sata_pkt->satapkt_cmd.satacmd_error_reg; ASSERT(sense != NULL); ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_status_reg & SATA_STATUS_ERR); if (err_reg & SATA_ERROR_ICRC) { sense->es_key = KEY_ABORTED_COMMAND; sense->es_add_code = 0x08; /* Communication failure */ return; } if (err_reg & SATA_ERROR_UNC) { sense->es_key = KEY_MEDIUM_ERROR; /* Information bytes (LBA) need to be set by a caller */ return; } /* ADD HERE: MC error bit handling for ATAPI CD/DVD */ if (err_reg & (SATA_ERROR_MCR | SATA_ERROR_NM)) { sense->es_key = KEY_UNIT_ATTENTION; sense->es_add_code = 0x3a; /* No media present */ return; } if (err_reg & SATA_ERROR_IDNF) { if (err_reg & SATA_ERROR_ABORT) { sense->es_key = KEY_ABORTED_COMMAND; } else { sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = 0x21; /* LBA out of range */ } return; } if (err_reg & SATA_ERROR_ABORT) { ASSERT(spx->txlt_sata_pkt != NULL); sense->es_key = KEY_ABORTED_COMMAND; return; } } /* * Extract error LBA from sata_pkt.satapkt_cmd register fields */ static void sata_extract_error_lba(sata_pkt_txlate_t *spx, uint64_t *lba) { sata_cmd_t *sata_cmd = &spx->txlt_sata_pkt->satapkt_cmd; *lba = 0; if (sata_cmd->satacmd_addr_type == ATA_ADDR_LBA48) { *lba = sata_cmd->satacmd_lba_high_msb; *lba = (*lba << 8) | sata_cmd->satacmd_lba_mid_msb; *lba = (*lba << 8) | sata_cmd->satacmd_lba_low_msb; } else if (sata_cmd->satacmd_addr_type == ATA_ADDR_LBA28) { *lba = sata_cmd->satacmd_device_reg & 0xf; } *lba = (*lba << 8) | sata_cmd->satacmd_lba_high_lsb; *lba = (*lba << 8) | sata_cmd->satacmd_lba_mid_lsb; *lba = (*lba << 8) | sata_cmd->satacmd_lba_low_lsb; } /* * This is fixed sense format - if LBA exceeds the info field size, * no valid info will be returned (valid bit in extended sense will * be set to 0). */ static struct scsi_extended_sense * sata_arq_sense(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct scsi_arq_status *arqs; struct scsi_extended_sense *sense; /* Fill ARQ sense data */ scsipkt->pkt_state |= STATE_ARQ_DONE; arqs = (struct scsi_arq_status *)scsipkt->pkt_scbp; *(uchar_t *)&arqs->sts_status = STATUS_CHECK; *(uchar_t *)&arqs->sts_rqpkt_status = STATUS_GOOD; arqs->sts_rqpkt_reason = CMD_CMPLT; arqs->sts_rqpkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_XFERRED_DATA | STATE_SENT_CMD | STATE_GOT_STATUS; arqs->sts_rqpkt_resid = 0; sense = &arqs->sts_sensedata; bzero(sense, sizeof (struct scsi_extended_sense)); sata_fixed_sense_data_preset(sense); return (sense); } /* * ATA Pass Through support * Sets flags indicating that an invalid value was found in some * field in the command. It could be something illegal according to * the SAT-2 spec or it could be a feature that is not (yet?) * supported. */ static int sata_txlt_ata_pass_thru_illegal_cmd(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct scsi_extended_sense *sense = sata_arq_sense(spx); scsipkt->pkt_reason = CMD_CMPLT; *scsipkt->pkt_scbp = STATUS_CHECK; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (TRAN_ACCEPT); } /* * The UNMAP command considers it not to be an error if the parameter length * or block descriptor length is 0. For this case, there is nothing for TRIM * to do so just complete the command. */ static int sata_txlt_unmap_nodata_cmd(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; scsipkt->pkt_reason = CMD_CMPLT; *scsipkt->pkt_scbp = STATUS_GOOD; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (TRAN_ACCEPT); } /* * Emulated SATA Read/Write command completion for zero-length requests. * This request always succedes, so in synchronous mode it always returns * TRAN_ACCEPT, and in non-synchronous mode it may return TRAN_BUSY if the * callback cannot be scheduled. */ static int sata_emul_rw_completion(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; scsipkt->pkt_reason = CMD_CMPLT; *scsipkt->pkt_scbp = STATUS_GOOD; if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { /* scsi callback required - have to schedule it */ if (servicing_interrupt()) { if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_NOSLEEP) == NULL) { return (TRAN_BUSY); } } else if (taskq_dispatch(SATA_TXLT_TASKQ(spx), (task_func_t *)spx->txlt_scsi_pkt->pkt_comp, (void *)spx->txlt_scsi_pkt, TQ_SLEEP) == NULL) { /* Scheduling the callback failed */ return (TRAN_BUSY); } } return (TRAN_ACCEPT); } /* * Translate completion status of SATA read/write commands into scsi response. * pkt completion_reason is checked to determine the completion status. * Do scsi callback if necessary. * * Note: this function may be called also for synchronously executed * commands. * This function may be used only if scsi_pkt is non-NULL. */ static void sata_txlt_rw_completion(sata_pkt_t *sata_pkt) { sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; sata_cmd_t *scmd = &sata_pkt->satapkt_cmd; struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct scsi_extended_sense *sense; uint64_t lba; struct buf *bp; int rval; if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { /* Normal completion */ scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_XFERRED_DATA | STATE_GOT_STATUS; scsipkt->pkt_reason = CMD_CMPLT; *scsipkt->pkt_scbp = STATUS_GOOD; if (spx->txlt_tmp_buf != NULL) { /* Temporary buffer was used */ bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; if (bp->b_flags & B_READ) { rval = ddi_dma_sync( spx->txlt_buf_dma_handle, 0, 0, DDI_DMA_SYNC_FORCPU); ASSERT(rval == DDI_SUCCESS); bcopy(spx->txlt_tmp_buf, bp->b_un.b_addr, bp->b_bcount); } } } else { /* * Something went wrong - analyze return */ scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; scsipkt->pkt_reason = CMD_INCOMPLETE; *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); ASSERT(sense != NULL); /* * SATA_PKT_DEV_ERROR is the only case where we may be able to * extract from device registers the failing LBA. */ if (sata_pkt->satapkt_reason == SATA_PKT_DEV_ERROR) { if ((scmd->satacmd_addr_type == ATA_ADDR_LBA48) && (scmd->satacmd_lba_mid_msb != 0 || scmd->satacmd_lba_high_msb != 0)) { /* * We have problem reporting this cmd LBA * in fixed sense data format, because of * the size of the scsi LBA fields. */ sense->es_valid = 0; } else { sata_extract_error_lba(spx, &lba); sense->es_info_1 = (lba & 0xFF000000) >> 24; sense->es_info_2 = (lba & 0xFF0000) >> 16; sense->es_info_3 = (lba & 0xFF00) >> 8; sense->es_info_4 = lba & 0xFF; } } else { /* Invalid extended sense info */ sense->es_valid = 0; } switch (sata_pkt->satapkt_reason) { case SATA_PKT_PORT_ERROR: /* We may want to handle DEV GONE state as well */ /* * We have no device data. Assume no data transfered. */ sense->es_key = KEY_HARDWARE_ERROR; break; case SATA_PKT_DEV_ERROR: if (sata_pkt->satapkt_cmd.satacmd_status_reg & SATA_STATUS_ERR) { /* * determine dev error reason from error * reg content */ sata_decode_device_error(spx, sense); if (sense->es_key == KEY_MEDIUM_ERROR) { switch (scmd->satacmd_cmd_reg) { case SATAC_READ_DMA: case SATAC_READ_DMA_EXT: case SATAC_READ_DMA_QUEUED: case SATAC_READ_DMA_QUEUED_EXT: case SATAC_READ_FPDMA_QUEUED: /* Unrecovered read error */ sense->es_add_code = SD_SCSI_ASC_UNREC_READ_ERR; break; case SATAC_WRITE_DMA: case SATAC_WRITE_DMA_EXT: case SATAC_WRITE_DMA_QUEUED: case SATAC_WRITE_DMA_QUEUED_EXT: case SATAC_WRITE_FPDMA_QUEUED: /* Write error */ sense->es_add_code = SD_SCSI_ASC_WRITE_ERR; break; default: /* Internal error */ SATA_LOG_D(( spx->txlt_sata_hba_inst, CE_WARN, "sata_txlt_rw_completion :" "internal error - invalid " "command 0x%2x", scmd->satacmd_cmd_reg)); break; } } break; } /* No extended sense key - no info available */ scsipkt->pkt_reason = CMD_INCOMPLETE; break; case SATA_PKT_TIMEOUT: scsipkt->pkt_reason = CMD_TIMEOUT; scsipkt->pkt_statistics |= STAT_TIMEOUT | STAT_DEV_RESET; sense->es_key = KEY_ABORTED_COMMAND; break; case SATA_PKT_ABORTED: scsipkt->pkt_reason = CMD_ABORTED; scsipkt->pkt_statistics |= STAT_ABORTED; sense->es_key = KEY_ABORTED_COMMAND; break; case SATA_PKT_RESET: scsipkt->pkt_reason = CMD_RESET; scsipkt->pkt_statistics |= STAT_DEV_RESET; sense->es_key = KEY_ABORTED_COMMAND; break; default: SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, "sata_txlt_rw_completion: " "invalid packet completion reason")); scsipkt->pkt_reason = CMD_TRAN_ERR; break; } } SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0) /* scsi callback required */ scsi_hba_pkt_comp(scsipkt); } /* * Translate completion status of non-data commands (i.e. commands returning * no data). * pkt completion_reason is checked to determine the completion status. * Do scsi callback if necessary (FLAG_NOINTR == 0) * * Note: this function may be called also for synchronously executed * commands. * This function may be used only if scsi_pkt is non-NULL. */ static void sata_txlt_nodata_cmd_completion(sata_pkt_t *sata_pkt) { sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; sata_set_arq_data(sata_pkt); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0) /* scsi callback required */ scsi_hba_pkt_comp(scsipkt); } /* * Completion handler for ATA Pass Through command */ static void sata_txlt_apt_completion(sata_pkt_t *sata_pkt) { sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; sata_cmd_t *scmd = &sata_pkt->satapkt_cmd; struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct buf *bp; uint8_t sense_key = 0, addl_sense_code = 0, addl_sense_qual = 0; if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { /* Normal completion */ scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_XFERRED_DATA | STATE_GOT_STATUS; scsipkt->pkt_reason = CMD_CMPLT; *scsipkt->pkt_scbp = STATUS_GOOD; /* * If the command has CK_COND set */ if (scsipkt->pkt_cdbp[2] & SATL_APT_BM_CK_COND) { *scsipkt->pkt_scbp = STATUS_CHECK; sata_fill_ata_return_desc(sata_pkt, KEY_RECOVERABLE_ERROR, SD_SCSI_ASC_APT_INFO_AVAIL, 0x1d); } if (spx->txlt_tmp_buf != NULL) { /* Temporary buffer was used */ bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; if (bp->b_flags & B_READ) { bcopy(spx->txlt_tmp_buf, bp->b_un.b_addr, bp->b_bcount); } } } else { scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; scsipkt->pkt_reason = CMD_INCOMPLETE; *scsipkt->pkt_scbp = STATUS_CHECK; /* * If DF or ERR was set, the HBA should have copied out the * status and error registers to the satacmd structure. */ if (scmd->satacmd_status_reg & SATA_STATUS_DF) { sense_key = KEY_HARDWARE_ERROR; addl_sense_code = SD_SCSI_ASC_INTERNAL_TARGET_FAILURE; addl_sense_qual = 0; } else if (scmd->satacmd_status_reg & SATA_STATUS_ERR) { if (scmd->satacmd_error_reg & SATA_ERROR_NM) { sense_key = KEY_NOT_READY; addl_sense_code = SD_SCSI_ASC_MEDIUM_NOT_PRESENT; addl_sense_qual = 0; } else if (scmd->satacmd_error_reg & SATA_ERROR_UNC) { sense_key = KEY_MEDIUM_ERROR; addl_sense_code = SD_SCSI_ASC_UNREC_READ_ERR; addl_sense_qual = 0; } else if (scmd->satacmd_error_reg & SATA_ERROR_ILI) { sense_key = KEY_DATA_PROTECT; addl_sense_code = SD_SCSI_ASC_WRITE_PROTECTED; addl_sense_qual = 0; } else if (scmd->satacmd_error_reg & SATA_ERROR_IDNF) { sense_key = KEY_ILLEGAL_REQUEST; addl_sense_code = SD_SCSI_ASC_LBA_OUT_OF_RANGE; addl_sense_qual = 0; } else if (scmd->satacmd_error_reg & SATA_ERROR_ABORT) { sense_key = KEY_ABORTED_COMMAND; addl_sense_code = SD_SCSI_ASC_NO_ADD_SENSE; addl_sense_qual = 0; } else if (scmd->satacmd_error_reg & SATA_ERROR_MC) { sense_key = KEY_UNIT_ATTENTION; addl_sense_code = SD_SCSI_ASC_MEDIUM_MAY_HAVE_CHANGED; addl_sense_qual = 0; } else if (scmd->satacmd_error_reg & SATA_ERROR_MCR) { sense_key = KEY_UNIT_ATTENTION; addl_sense_code = SD_SCSI_ASC_OP_MEDIUM_REM_REQ; addl_sense_qual = 0; } else if (scmd->satacmd_error_reg & SATA_ERROR_ICRC) { sense_key = KEY_ABORTED_COMMAND; addl_sense_code = SD_SCSI_ASC_INFO_UNIT_IUCRC_ERR; addl_sense_qual = 0; } } sata_fill_ata_return_desc(sata_pkt, sense_key, addl_sense_code, addl_sense_qual); } if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0) /* scsi callback required */ scsi_hba_pkt_comp(scsipkt); } /* * Completion handler for unmap translation command */ static void sata_txlt_unmap_completion(sata_pkt_t *sata_pkt) { sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; sata_cmd_t *scmd = &sata_pkt->satapkt_cmd; struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct buf *bp; uint8_t sense_key = 0, addl_sense_code = 0, addl_sense_qual = 0; if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { /* Normal completion */ scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_XFERRED_DATA | STATE_GOT_STATUS; scsipkt->pkt_reason = CMD_CMPLT; *scsipkt->pkt_scbp = STATUS_GOOD; if (spx->txlt_tmp_buf != NULL) { /* Temporary buffer was used */ bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; if (bp->b_flags & B_READ) { bcopy(spx->txlt_tmp_buf, bp->b_un.b_addr, bp->b_bcount); } } } else { scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; scsipkt->pkt_reason = CMD_INCOMPLETE; *scsipkt->pkt_scbp = STATUS_CHECK; /* * If DF or ERR was set, the HBA should have copied out the * status and error registers to the satacmd structure. */ if (scmd->satacmd_status_reg & SATA_STATUS_DF) { sense_key = KEY_HARDWARE_ERROR; addl_sense_code = SD_SCSI_ASC_INTERNAL_TARGET_FAILURE; addl_sense_qual = 0; } else if (scmd->satacmd_status_reg & SATA_STATUS_ERR) { if (scmd->satacmd_error_reg & SATA_ERROR_NM) { sense_key = KEY_NOT_READY; addl_sense_code = SD_SCSI_ASC_MEDIUM_NOT_PRESENT; addl_sense_qual = 0; } else if (scmd->satacmd_error_reg & SATA_ERROR_UNC) { sense_key = KEY_MEDIUM_ERROR; addl_sense_code = SD_SCSI_ASC_WRITE_ERR; addl_sense_qual = 0; } else if (scmd->satacmd_error_reg & SATA_ERROR_ILI) { sense_key = KEY_DATA_PROTECT; addl_sense_code = SD_SCSI_ASC_WRITE_PROTECTED; addl_sense_qual = 0; } else if (scmd->satacmd_error_reg & SATA_ERROR_IDNF) { sense_key = KEY_ILLEGAL_REQUEST; addl_sense_code = SD_SCSI_ASC_LBA_OUT_OF_RANGE; addl_sense_qual = 0; } else if (scmd->satacmd_error_reg & SATA_ERROR_ABORT) { sense_key = KEY_ABORTED_COMMAND; addl_sense_code = SD_SCSI_ASC_NO_ADD_SENSE; addl_sense_qual = 0; } else if (scmd->satacmd_error_reg & SATA_ERROR_MC) { sense_key = KEY_UNIT_ATTENTION; addl_sense_code = SD_SCSI_ASC_MEDIUM_MAY_HAVE_CHANGED; addl_sense_qual = 0; } else if (scmd->satacmd_error_reg & SATA_ERROR_MCR) { sense_key = KEY_UNIT_ATTENTION; addl_sense_code = SD_SCSI_ASC_OP_MEDIUM_REM_REQ; addl_sense_qual = 0; } else if (scmd->satacmd_error_reg & SATA_ERROR_ICRC) { sense_key = KEY_ABORTED_COMMAND; addl_sense_code = SD_SCSI_ASC_INFO_UNIT_IUCRC_ERR; addl_sense_qual = 0; } } sata_fill_ata_return_desc(sata_pkt, sense_key, addl_sense_code, addl_sense_qual); } sata_free_local_buffer(spx); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0) /* scsi callback required */ scsi_hba_pkt_comp(scsipkt); } /* * */ static void sata_fill_ata_return_desc(sata_pkt_t *sata_pkt, uint8_t sense_key, uint8_t addl_sense_code, uint8_t addl_sense_qual) { sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; sata_cmd_t *scmd = &sata_pkt->satapkt_cmd; struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct sata_apt_sense_data *apt_sd = (struct sata_apt_sense_data *)scsipkt->pkt_scbp; struct scsi_descr_sense_hdr *sds = &(apt_sd->apt_sd_hdr); struct scsi_ata_status_ret_sense_descr *ata_ret_desc = &(apt_sd->apt_sd_sense); int extend = 0; if ((scsipkt->pkt_cdbp[0] == SPC3_CMD_ATA_COMMAND_PASS_THROUGH16) && (scsipkt->pkt_cdbp[2] & SATL_APT_BM_EXTEND)) extend = 1; scsipkt->pkt_state |= STATE_ARQ_DONE; /* update the residual count */ *(uchar_t *)&apt_sd->apt_status = STATUS_CHECK; *(uchar_t *)&apt_sd->apt_rqpkt_status = STATUS_GOOD; apt_sd->apt_rqpkt_reason = CMD_CMPLT; apt_sd->apt_rqpkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_XFERRED_DATA | STATE_SENT_CMD | STATE_GOT_STATUS; apt_sd->apt_rqpkt_resid = scsipkt->pkt_scblen - sizeof (struct sata_apt_sense_data); /* * Fill in the Descriptor sense header */ bzero(sds, sizeof (struct scsi_descr_sense_hdr)); sds->ds_code = CODE_FMT_DESCR_CURRENT; sds->ds_class = CLASS_EXTENDED_SENSE; sds->ds_key = sense_key & 0xf; sds->ds_add_code = addl_sense_code; sds->ds_qual_code = addl_sense_qual; sds->ds_addl_sense_length = sizeof (struct scsi_ata_status_ret_sense_descr); /* * Fill in the ATA Return descriptor sense data */ bzero(ata_ret_desc, sizeof (struct scsi_ata_status_ret_sense_descr)); ata_ret_desc->ars_descr_type = DESCR_ATA_STATUS_RETURN; ata_ret_desc->ars_addl_length = 0xc; ata_ret_desc->ars_error = scmd->satacmd_error_reg; ata_ret_desc->ars_sec_count_lsb = scmd->satacmd_sec_count_lsb; ata_ret_desc->ars_lba_low_lsb = scmd->satacmd_lba_low_lsb; ata_ret_desc->ars_lba_mid_lsb = scmd->satacmd_lba_mid_lsb; ata_ret_desc->ars_lba_high_lsb = scmd->satacmd_lba_high_lsb; ata_ret_desc->ars_device = scmd->satacmd_device_reg; ata_ret_desc->ars_status = scmd->satacmd_status_reg; if (extend == 1) { ata_ret_desc->ars_extend = 1; ata_ret_desc->ars_sec_count_msb = scmd->satacmd_sec_count_msb; ata_ret_desc->ars_lba_low_msb = scmd->satacmd_lba_low_msb; ata_ret_desc->ars_lba_mid_msb = scmd->satacmd_lba_mid_msb; ata_ret_desc->ars_lba_high_msb = scmd->satacmd_lba_high_msb; } else { ata_ret_desc->ars_extend = 0; ata_ret_desc->ars_sec_count_msb = 0; ata_ret_desc->ars_lba_low_msb = 0; ata_ret_desc->ars_lba_mid_msb = 0; ata_ret_desc->ars_lba_high_msb = 0; } } static void sata_set_arq_data(sata_pkt_t *sata_pkt) { sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct scsi_extended_sense *sense; scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { /* Normal completion */ scsipkt->pkt_reason = CMD_CMPLT; *scsipkt->pkt_scbp = STATUS_GOOD; } else { /* Something went wrong */ scsipkt->pkt_reason = CMD_INCOMPLETE; *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); switch (sata_pkt->satapkt_reason) { case SATA_PKT_PORT_ERROR: /* * We have no device data. Assume no data transfered. */ sense->es_key = KEY_HARDWARE_ERROR; break; case SATA_PKT_DEV_ERROR: if (sata_pkt->satapkt_cmd.satacmd_status_reg & SATA_STATUS_ERR) { /* * determine dev error reason from error * reg content */ sata_decode_device_error(spx, sense); break; } /* No extended sense key - no info available */ break; case SATA_PKT_TIMEOUT: scsipkt->pkt_reason = CMD_TIMEOUT; scsipkt->pkt_statistics |= STAT_TIMEOUT | STAT_DEV_RESET; /* No extended sense key ? */ break; case SATA_PKT_ABORTED: scsipkt->pkt_reason = CMD_ABORTED; scsipkt->pkt_statistics |= STAT_ABORTED; /* No extended sense key ? */ break; case SATA_PKT_RESET: /* pkt aborted by an explicit reset from a host */ scsipkt->pkt_reason = CMD_RESET; scsipkt->pkt_statistics |= STAT_DEV_RESET; break; default: SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, "sata_txlt_nodata_cmd_completion: " "invalid packet completion reason %d", sata_pkt->satapkt_reason)); scsipkt->pkt_reason = CMD_TRAN_ERR; break; } } SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "Scsi_pkt completion reason %x\n", scsipkt->pkt_reason); } /* * Build Mode sense R/W recovery page * NOT IMPLEMENTED */ static int sata_build_msense_page_1(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) { #ifndef __lock_lint _NOTE(ARGUNUSED(sdinfo)) _NOTE(ARGUNUSED(pcntrl)) _NOTE(ARGUNUSED(buf)) #endif return (0); } /* * Build Mode sense caching page - scsi-3 implementation. * Page length distinguishes previous format from scsi-3 format. * buf must have space for 0x12 bytes. * Only DRA (disable read ahead ) and WCE (write cache enable) are changeable. * */ static int sata_build_msense_page_8(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) { struct mode_cache_scsi3 *page = (struct mode_cache_scsi3 *)buf; sata_id_t *sata_id = &sdinfo->satadrv_id; /* * Most of the fields are set to 0, being not supported and/or disabled */ bzero(buf, PAGELENGTH_DAD_MODE_CACHE_SCSI3); /* Saved paramters not supported */ if (pcntrl == 3) return (0); if (pcntrl == 0 || pcntrl == 2) { /* * For now treat current and default parameters as same * That may have to change, if target driver will complain */ page->mode_page.code = MODEPAGE_CACHING; /* PS = 0 */ page->mode_page.length = PAGELENGTH_DAD_MODE_CACHE_SCSI3; if (SATA_READ_AHEAD_SUPPORTED(*sata_id) && !SATA_READ_AHEAD_ENABLED(*sata_id)) { page->dra = 1; /* Read Ahead disabled */ page->rcd = 1; /* Read Cache disabled */ } if (SATA_WRITE_CACHE_SUPPORTED(*sata_id) && SATA_WRITE_CACHE_ENABLED(*sata_id)) page->wce = 1; /* Write Cache enabled */ } else { /* Changeable parameters */ page->mode_page.code = MODEPAGE_CACHING; page->mode_page.length = PAGELENGTH_DAD_MODE_CACHE_SCSI3; if (SATA_READ_AHEAD_SUPPORTED(*sata_id)) { page->dra = 1; page->rcd = 1; } if (SATA_WRITE_CACHE_SUPPORTED(*sata_id)) page->wce = 1; } return (PAGELENGTH_DAD_MODE_CACHE_SCSI3 + sizeof (struct mode_page)); } /* * Build Mode sense exception cntrl page */ static int sata_build_msense_page_1c(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) { struct mode_info_excpt_page *page = (struct mode_info_excpt_page *)buf; sata_id_t *sata_id = &sdinfo->satadrv_id; /* * Most of the fields are set to 0, being not supported and/or disabled */ bzero(buf, PAGELENGTH_INFO_EXCPT); page->mode_page.code = MODEPAGE_INFO_EXCPT; page->mode_page.length = PAGELENGTH_INFO_EXCPT; /* Indicate that this is page is saveable */ page->mode_page.ps = 1; /* * We will return the same data for default, current and saved page. * The only changeable bit is dexcpt and that bit is required * by the ATA specification to be preserved across power cycles. */ if (pcntrl != 1) { page->dexcpt = !(sata_id->ai_features85 & SATA_SMART_SUPPORTED); page->mrie = MRIE_ONLY_ON_REQUEST; } else page->dexcpt = 1; /* Only changeable parameter */ return (PAGELENGTH_INFO_EXCPT + sizeof (struct mode_page)); } static int sata_build_msense_page_30(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) { struct mode_acoustic_management *page = (struct mode_acoustic_management *)buf; sata_id_t *sata_id = &sdinfo->satadrv_id; /* * Most of the fields are set to 0, being not supported and/or disabled */ bzero(buf, PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT); switch (pcntrl) { case P_CNTRL_DEFAULT: /* default paramters not supported */ return (0); case P_CNTRL_CURRENT: case P_CNTRL_SAVED: /* Saved and current are supported and are identical */ page->mode_page.code = MODEPAGE_ACOUSTIC_MANAG; page->mode_page.length = PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT; page->mode_page.ps = 1; /* Word 83 indicates if feature is supported */ /* If feature is not supported */ if (!(sata_id->ai_cmdset83 & SATA_ACOUSTIC_MGMT)) { page->acoustic_manag_enable = ACOUSTIC_DISABLED; } else { page->acoustic_manag_enable = ((sata_id->ai_features86 & SATA_ACOUSTIC_MGMT) != 0); /* Word 94 inidicates the value */ #ifdef _LITTLE_ENDIAN page->acoustic_manag_level = (uchar_t)sata_id->ai_acoustic; page->vendor_recommended_value = sata_id->ai_acoustic >> 8; #else page->acoustic_manag_level = sata_id->ai_acoustic >> 8; page->vendor_recommended_value = (uchar_t)sata_id->ai_acoustic; #endif } break; case P_CNTRL_CHANGEABLE: page->mode_page.code = MODEPAGE_ACOUSTIC_MANAG; page->mode_page.length = PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT; page->mode_page.ps = 1; /* Word 83 indicates if the feature is supported */ if (sata_id->ai_cmdset83 & SATA_ACOUSTIC_MGMT) { page->acoustic_manag_enable = ACOUSTIC_ENABLED; page->acoustic_manag_level = 0xff; } break; } return (PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT + sizeof (struct mode_page)); } /* * Build Mode sense power condition page. */ static int sata_build_msense_page_1a(sata_drive_info_t *sdinfo, int pcntrl, uint8_t *buf) { struct mode_info_power_cond *page = (struct mode_info_power_cond *)buf; sata_id_t *sata_id = &sdinfo->satadrv_id; /* * Most of the fields are set to 0, being not supported and/or disabled * power condition page length was 0x0a */ bzero(buf, sizeof (struct mode_info_power_cond)); if (pcntrl == P_CNTRL_DEFAULT) { /* default paramters not supported */ return (0); } page->mode_page.code = MODEPAGE_POWER_COND; page->mode_page.length = sizeof (struct mode_info_power_cond); if (sata_id->ai_cap & SATA_STANDBYTIMER) { page->standby = 1; bcopy(sdinfo->satadrv_standby_timer, page->standby_cond_timer, sizeof (uchar_t) * 4); } return (sizeof (struct mode_info_power_cond)); } /* * Process mode select caching page 8 (scsi3 format only). * Read Ahead (same as read cache) and Write Cache may be turned on and off * if these features are supported by the device. If these features are not * supported, the command will be terminated with STATUS_CHECK. * This function fails only if the SET FEATURE command sent to * the device fails. The page format is not verified, assuming that the * target driver operates correctly - if parameters length is too short, * we just drop the page. * Two command may be sent if both Read Cache/Read Ahead and Write Cache * setting have to be changed. * SET FEATURE command is executed synchronously, i.e. we wait here until * it is completed, regardless of the scsi pkt directives. * * Note: Mode Select Caching page RCD and DRA bits are tied together, i.e. * changing DRA will change RCD. * * More than one SATA command may be executed to perform operations specified * by mode select pages. The first error terminates further execution. * Operations performed successully are not backed-up in such case. * * Return SATA_SUCCESS if operation succeeded, SATA_FAILURE otherwise. * If operation resulted in changing device setup, dmod flag should be set to * one (1). If parameters were not changed, dmod flag should be set to 0. * Upon return, if operation required sending command to the device, the rval * should be set to the value returned by sata_hba_start. If operation * did not require device access, rval should be set to TRAN_ACCEPT. * The pagelen should be set to the length of the page. * * This function has to be called with a port mutex held. * * Returns SATA_SUCCESS if operation was successful, SATA_FAILURE otherwise. */ int sata_mode_select_page_8(sata_pkt_txlate_t *spx, struct mode_cache_scsi3 *page, int parmlen, int *pagelen, int *rval, int *dmod) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; sata_drive_info_t *sdinfo; sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; sata_id_t *sata_id; struct scsi_extended_sense *sense; int wce, dra; /* Current settings */ sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); sata_id = &sdinfo->satadrv_id; *dmod = 0; /* Verify parameters length. If too short, drop it */ if ((PAGELENGTH_DAD_MODE_CACHE_SCSI3 + sizeof (struct mode_page)) > parmlen) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; *pagelen = parmlen; *rval = TRAN_ACCEPT; return (SATA_FAILURE); } *pagelen = PAGELENGTH_DAD_MODE_CACHE_SCSI3 + sizeof (struct mode_page); /* Current setting of Read Ahead (and Read Cache) */ if (SATA_READ_AHEAD_ENABLED(*sata_id)) dra = 0; /* 0 == not disabled */ else dra = 1; /* Current setting of Write Cache */ if (SATA_WRITE_CACHE_ENABLED(*sata_id)) wce = 1; else wce = 0; if (page->dra == dra && page->wce == wce && page->rcd == dra) { /* nothing to do */ *rval = TRAN_ACCEPT; return (SATA_SUCCESS); } /* * Need to flip some setting * Set-up Internal SET FEATURES command(s) */ scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; scmd->satacmd_addr_type = 0; scmd->satacmd_device_reg = 0; scmd->satacmd_status_reg = 0; scmd->satacmd_error_reg = 0; scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; if (page->dra != dra || page->rcd != dra) { if (SATA_READ_AHEAD_SUPPORTED(*sata_id)) { /* Need to flip read ahead setting */ if (dra == 0) /* Disable read ahead / read cache */ scmd->satacmd_features_reg = SATAC_SF_DISABLE_READ_AHEAD; else /* Enable read ahead / read cache */ scmd->satacmd_features_reg = SATAC_SF_ENABLE_READ_AHEAD; /* Transfer command to HBA */ if (sata_hba_start(spx, rval) != 0) /* * Pkt not accepted for execution. */ return (SATA_FAILURE); *dmod = 1; /* Now process return */ if (spx->txlt_sata_pkt->satapkt_reason != SATA_PKT_COMPLETED) { goto failure; /* Terminate */ } } else { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; *pagelen = parmlen; *rval = TRAN_ACCEPT; return (SATA_FAILURE); } } /* Note that the packet is not removed, so it could be re-used */ if (page->wce != wce) { if (SATA_WRITE_CACHE_SUPPORTED(*sata_id)) { /* Need to flip Write Cache setting */ if (page->wce == 1) /* Enable write cache */ scmd->satacmd_features_reg = SATAC_SF_ENABLE_WRITE_CACHE; else /* Disable write cache */ scmd->satacmd_features_reg = SATAC_SF_DISABLE_WRITE_CACHE; /* Transfer command to HBA */ if (sata_hba_start(spx, rval) != 0) /* * Pkt not accepted for execution. */ return (SATA_FAILURE); *dmod = 1; /* Now process return */ if (spx->txlt_sata_pkt->satapkt_reason != SATA_PKT_COMPLETED) { goto failure; } } else { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; *pagelen = parmlen; *rval = TRAN_ACCEPT; return (SATA_FAILURE); } } return (SATA_SUCCESS); failure: sata_xlate_errors(spx); return (SATA_FAILURE); } /* * Process mode select informational exceptions control page 0x1c * * The only changeable bit is dexcpt (disable exceptions). * MRIE (method of reporting informational exceptions) must be * "only on request". * This page applies to informational exceptions that report * additional sense codes with the ADDITIONAL SENSE CODE field set to 5Dh * (e.g.,FAILURE PREDICTION THRESHOLD EXCEEDED) or 0Bh (e.g., WARNING_). * Informational exception conditions occur as the result of background scan * errors, background self-test errors, or vendor specific events within a * logical unit. An informational exception condition may occur asynchronous * to any commands. * * Returns: SATA_SUCCESS if operation succeeded, SATA_FAILURE otherwise. * If operation resulted in changing device setup, dmod flag should be set to * one (1). If parameters were not changed, dmod flag should be set to 0. * Upon return, if operation required sending command to the device, the rval * should be set to the value returned by sata_hba_start. If operation * did not require device access, rval should be set to TRAN_ACCEPT. * The pagelen should be set to the length of the page. * * This function has to be called with a port mutex held. * * Returns SATA_SUCCESS if operation was successful, SATA_FAILURE otherwise. * * Cannot be called in the interrupt context. */ static int sata_mode_select_page_1c( sata_pkt_txlate_t *spx, struct mode_info_excpt_page *page, int parmlen, int *pagelen, int *rval, int *dmod) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; sata_drive_info_t *sdinfo; sata_id_t *sata_id; struct scsi_extended_sense *sense; sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); sata_id = &sdinfo->satadrv_id; *dmod = 0; /* Verify parameters length. If too short, drop it */ if (((PAGELENGTH_INFO_EXCPT + sizeof (struct mode_page)) > parmlen) || page->perf || page->test || (page->mrie != MRIE_ONLY_ON_REQUEST)) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; *pagelen = parmlen; *rval = TRAN_ACCEPT; return (SATA_FAILURE); } *pagelen = PAGELENGTH_INFO_EXCPT + sizeof (struct mode_page); if (! (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED)) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_CDB; *pagelen = parmlen; *rval = TRAN_ACCEPT; return (SATA_FAILURE); } /* If already in the state requested, we are done */ if (page->dexcpt == ! (sata_id->ai_features85 & SATA_SMART_ENABLED)) { /* nothing to do */ *rval = TRAN_ACCEPT; return (SATA_SUCCESS); } scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; /* Build SMART_ENABLE or SMART_DISABLE command */ scmd->satacmd_addr_type = 0; /* N/A */ scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; scmd->satacmd_features_reg = page->dexcpt ? SATA_SMART_DISABLE_OPS : SATA_SMART_ENABLE_OPS; scmd->satacmd_device_reg = 0; /* Always device 0 */ scmd->satacmd_cmd_reg = SATAC_SMART; /* Transfer command to HBA */ if (sata_hba_start(spx, rval) != 0) /* * Pkt not accepted for execution. */ return (SATA_FAILURE); *dmod = 1; /* At least may have been modified */ /* Now process return */ if (spx->txlt_sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) return (SATA_SUCCESS); /* Packet did not complete successfully */ sata_xlate_errors(spx); return (SATA_FAILURE); } /* * Process mode select acoustic management control page 0x30 * * * This function has to be called with a port mutex held. * * Returns SATA_SUCCESS if operation was successful, SATA_FAILURE otherwise. * * Cannot be called in the interrupt context. */ int sata_mode_select_page_30(sata_pkt_txlate_t *spx, struct mode_acoustic_management *page, int parmlen, int *pagelen, int *rval, int *dmod) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; sata_drive_info_t *sdinfo; sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; sata_id_t *sata_id; struct scsi_extended_sense *sense; sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); sata_id = &sdinfo->satadrv_id; *dmod = 0; /* If parmlen is too short or the feature is not supported, drop it */ if (((PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT + sizeof (struct mode_page)) > parmlen) || (! (sata_id->ai_cmdset83 & SATA_ACOUSTIC_MGMT))) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; *pagelen = parmlen; *rval = TRAN_ACCEPT; return (SATA_FAILURE); } *pagelen = PAGELENGTH_DAD_MODE_ACOUSTIC_MANAGEMENT + sizeof (struct mode_page); /* * We can enable and disable acoustice management and * set the acoustic management level. */ /* * Set-up Internal SET FEATURES command(s) */ scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; scmd->satacmd_addr_type = 0; scmd->satacmd_device_reg = 0; scmd->satacmd_status_reg = 0; scmd->satacmd_error_reg = 0; scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; if (page->acoustic_manag_enable) { scmd->satacmd_features_reg = SATAC_SF_ENABLE_ACOUSTIC; scmd->satacmd_sec_count_lsb = page->acoustic_manag_level; } else { /* disabling acoustic management */ scmd->satacmd_features_reg = SATAC_SF_DISABLE_ACOUSTIC; } /* Transfer command to HBA */ if (sata_hba_start(spx, rval) != 0) /* * Pkt not accepted for execution. */ return (SATA_FAILURE); /* Now process return */ if (spx->txlt_sata_pkt->satapkt_reason != SATA_PKT_COMPLETED) { sata_xlate_errors(spx); return (SATA_FAILURE); } *dmod = 1; return (SATA_SUCCESS); } /* * Process mode select power condition page 0x1a * * This function has to be called with a port mutex held. * * Returns SATA_SUCCESS if operation was successful, SATA_FAILURE otherwise. * * Cannot be called in the interrupt context. */ int sata_mode_select_page_1a(sata_pkt_txlate_t *spx, struct mode_info_power_cond *page, int parmlen, int *pagelen, int *rval, int *dmod) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; sata_drive_info_t *sdinfo; sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; sata_id_t *sata_id; struct scsi_extended_sense *sense; uint8_t ata_count; int i, len; sdinfo = sata_get_device_info(spx->txlt_sata_hba_inst, &spx->txlt_sata_pkt->satapkt_device); sata_id = &sdinfo->satadrv_id; *dmod = 0; len = sizeof (struct mode_info_power_cond); len += sizeof (struct mode_page); /* If parmlen is too short or the feature is not supported, drop it */ if ((len < parmlen) || (page->idle == 1) || (!(sata_id->ai_cap & SATA_STANDBYTIMER) && page->standby == 1)) { *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); sense->es_key = KEY_ILLEGAL_REQUEST; sense->es_add_code = SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST; *pagelen = parmlen; *rval = TRAN_ACCEPT; return (SATA_FAILURE); } *pagelen = len; /* * Set-up Internal STANDBY command(s) */ if (page->standby == 0) goto out; ata_count = sata_get_standby_timer(page->standby_cond_timer); scmd->satacmd_addr_type = 0; scmd->satacmd_sec_count_lsb = ata_count; scmd->satacmd_lba_low_lsb = 0; scmd->satacmd_lba_mid_lsb = 0; scmd->satacmd_lba_high_lsb = 0; scmd->satacmd_features_reg = 0; scmd->satacmd_device_reg = 0; scmd->satacmd_status_reg = 0; scmd->satacmd_cmd_reg = SATAC_STANDBY; scmd->satacmd_flags.sata_special_regs = B_TRUE; scmd->satacmd_flags.sata_copy_out_error_reg = B_TRUE; /* Transfer command to HBA */ if (sata_hba_start(spx, rval) != 0) { return (SATA_FAILURE); } else { if ((scmd->satacmd_error_reg != 0) || (spx->txlt_sata_pkt->satapkt_reason != SATA_PKT_COMPLETED)) { sata_xlate_errors(spx); return (SATA_FAILURE); } } for (i = 0; i < 4; i++) { sdinfo->satadrv_standby_timer[i] = page->standby_cond_timer[i]; } out: *dmod = 1; return (SATA_SUCCESS); } /* * sata_build_lsense_page0() is used to create the * SCSI LOG SENSE page 0 (supported log pages) * * Currently supported pages are 0, 0x10, 0x2f, 0x30 and 0x0e * (supported log pages, self-test results, informational exceptions * Sun vendor specific ATA SMART data, and start stop cycle counter). * * Takes a sata_drive_info t * and the address of a buffer * in which to create the page information. * * Returns the number of bytes valid in the buffer. */ static int sata_build_lsense_page_0(sata_drive_info_t *sdinfo, uint8_t *buf) { struct log_parameter *lpp = (struct log_parameter *)buf; uint8_t *page_ptr = (uint8_t *)lpp->param_values; int num_pages_supported = 1; /* Always have GET_SUPPORTED_LOG_PAGES */ sata_id_t *sata_id = &sdinfo->satadrv_id; lpp->param_code[0] = 0; lpp->param_code[1] = 0; lpp->param_ctrl_flags = LOG_CTRL_LP | LOG_CTRL_LBIN; *page_ptr++ = PAGE_CODE_GET_SUPPORTED_LOG_PAGES; if (sata_id->ai_cmdset82 & SATA_SMART_SUPPORTED) { if (sata_id->ai_cmdset84 & SATA_SMART_SELF_TEST_SUPPORTED) { *page_ptr++ = PAGE_CODE_SELF_TEST_RESULTS; ++num_pages_supported; } *page_ptr++ = PAGE_CODE_INFORMATION_EXCEPTIONS; ++num_pages_supported; *page_ptr++ = PAGE_CODE_SMART_READ_DATA; ++num_pages_supported; *page_ptr++ = PAGE_CODE_START_STOP_CYCLE_COUNTER; ++num_pages_supported; } lpp->param_len = num_pages_supported; return ((&lpp->param_values[0] - (uint8_t *)lpp) + num_pages_supported); } /* * sata_build_lsense_page_10() is used to create the * SCSI LOG SENSE page 0x10 (self-test results) * * Takes a sata_drive_info t * and the address of a buffer * in which to create the page information as well as a sata_hba_inst_t *. * * Returns the number of bytes valid in the buffer. * * Note: Self test and SMART data is accessible in device log pages. * The log pages can be accessed by SMART READ/WRITE LOG (up to 255 sectors * of data can be transferred by a single command), or by the General Purpose * Logging commands (GPL) READ LOG EXT and WRITE LOG EXT (up to 65,535 sectors * - approximately 33MB - can be transferred by a single command. * The SCT Command response (either error or command) is the same for both * the SMART and GPL methods of issuing commands. * This function uses READ LOG EXT command when drive supports LBA48, and * SMART READ command otherwise. * * Since above commands are executed in a synchronous mode, this function * should not be called in an interrupt context. */ static int sata_build_lsense_page_10( sata_drive_info_t *sdinfo, uint8_t *buf, sata_hba_inst_t *sata_hba_inst) { struct log_parameter *lpp = (struct log_parameter *)buf; int rval; if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) { struct smart_ext_selftest_log *ext_selftest_log; ext_selftest_log = kmem_zalloc( sizeof (struct smart_ext_selftest_log), KM_SLEEP); rval = sata_ext_smart_selftest_read_log(sata_hba_inst, sdinfo, ext_selftest_log, 0); if (rval == 0) { int index, start_index; struct smart_ext_selftest_log_entry *entry; static const struct smart_ext_selftest_log_entry empty = {0}; uint16_t block_num; int count; boolean_t only_one_block = B_FALSE; index = ext_selftest_log-> smart_ext_selftest_log_index[0]; index |= ext_selftest_log-> smart_ext_selftest_log_index[1] << 8; if (index == 0) goto out; --index; /* Correct for 0 origin */ start_index = index; /* remember where we started */ block_num = index / ENTRIES_PER_EXT_SELFTEST_LOG_BLK; if (block_num != 0) { rval = sata_ext_smart_selftest_read_log( sata_hba_inst, sdinfo, ext_selftest_log, block_num); if (rval != 0) goto out; } index %= ENTRIES_PER_EXT_SELFTEST_LOG_BLK; entry = &ext_selftest_log-> smart_ext_selftest_log_entries[index]; for (count = 1; count <= SCSI_ENTRIES_IN_LOG_SENSE_SELFTEST_RESULTS; ++count) { uint8_t status; uint8_t code; uint8_t sense_key; uint8_t add_sense_code; uint8_t add_sense_code_qual; /* If this is an unused entry, we are done */ if (bcmp(entry, &empty, sizeof (empty)) == 0) { /* Broken firmware on some disks */ if (index + 1 == ENTRIES_PER_EXT_SELFTEST_LOG_BLK) { --entry; --index; if (bcmp(entry, &empty, sizeof (empty)) == 0) goto out; } else goto out; } if (only_one_block && start_index == index) goto out; lpp->param_code[0] = 0; lpp->param_code[1] = count; lpp->param_ctrl_flags = LOG_CTRL_LP | LOG_CTRL_LBIN; lpp->param_len = SCSI_LOG_SENSE_SELFTEST_PARAM_LEN; status = entry->smart_ext_selftest_log_status; status >>= 4; switch (status) { case 0: default: sense_key = KEY_NO_SENSE; add_sense_code = SD_SCSI_ASC_NO_ADD_SENSE; add_sense_code_qual = 0; break; case 1: sense_key = KEY_ABORTED_COMMAND; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_81; break; case 2: sense_key = KEY_ABORTED_COMMAND; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_82; break; case 3: sense_key = KEY_ABORTED_COMMAND; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_83; break; case 4: sense_key = KEY_HARDWARE_ERROR; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_84; break; case 5: sense_key = KEY_HARDWARE_ERROR; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_85; break; case 6: sense_key = KEY_HARDWARE_ERROR; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_86; break; case 7: sense_key = KEY_MEDIUM_ERROR; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_87; break; case 8: sense_key = KEY_HARDWARE_ERROR; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_88; break; } code = 0; /* unspecified */ status |= (code << 4); lpp->param_values[0] = status; lpp->param_values[1] = 0; /* unspecified */ lpp->param_values[2] = entry-> smart_ext_selftest_log_timestamp[1]; lpp->param_values[3] = entry-> smart_ext_selftest_log_timestamp[0]; if (status != 0) { lpp->param_values[4] = 0; lpp->param_values[5] = 0; lpp->param_values[6] = entry-> smart_ext_selftest_log_failing_lba [5]; lpp->param_values[7] = entry-> smart_ext_selftest_log_failing_lba [4]; lpp->param_values[8] = entry-> smart_ext_selftest_log_failing_lba [3]; lpp->param_values[9] = entry-> smart_ext_selftest_log_failing_lba [2]; lpp->param_values[10] = entry-> smart_ext_selftest_log_failing_lba [1]; lpp->param_values[11] = entry-> smart_ext_selftest_log_failing_lba [0]; } else { /* No bad block address */ lpp->param_values[4] = 0xff; lpp->param_values[5] = 0xff; lpp->param_values[6] = 0xff; lpp->param_values[7] = 0xff; lpp->param_values[8] = 0xff; lpp->param_values[9] = 0xff; lpp->param_values[10] = 0xff; lpp->param_values[11] = 0xff; } lpp->param_values[12] = sense_key; lpp->param_values[13] = add_sense_code; lpp->param_values[14] = add_sense_code_qual; lpp->param_values[15] = 0; /* undefined */ lpp = (struct log_parameter *) (((uint8_t *)lpp) + SCSI_LOG_PARAM_HDR_LEN + SCSI_LOG_SENSE_SELFTEST_PARAM_LEN); --index; /* Back up to previous entry */ if (index < 0) { if (block_num > 0) { --block_num; } else { struct read_log_ext_directory logdir; rval = sata_read_log_ext_directory( sata_hba_inst, sdinfo, &logdir); if (rval == -1) goto out; if ((logdir.read_log_ext_vers [0] == 0) && (logdir.read_log_ext_vers [1] == 0)) goto out; block_num = logdir.read_log_ext_nblks [EXT_SMART_SELFTEST_LOG_PAGE - 1][0]; block_num |= logdir. read_log_ext_nblks [EXT_SMART_SELFTEST_LOG_PAGE - 1][1] << 8; --block_num; only_one_block = (block_num == 0); } rval = sata_ext_smart_selftest_read_log( sata_hba_inst, sdinfo, ext_selftest_log, block_num); if (rval != 0) goto out; index = ENTRIES_PER_EXT_SELFTEST_LOG_BLK - 1; } index %= ENTRIES_PER_EXT_SELFTEST_LOG_BLK; entry = &ext_selftest_log-> smart_ext_selftest_log_entries[index]; } } out: kmem_free(ext_selftest_log, sizeof (struct smart_ext_selftest_log)); } else { struct smart_selftest_log *selftest_log; selftest_log = kmem_zalloc(sizeof (struct smart_selftest_log), KM_SLEEP); rval = sata_smart_selftest_log(sata_hba_inst, sdinfo, selftest_log); if (rval == 0) { int index; int count; struct smart_selftest_log_entry *entry; static const struct smart_selftest_log_entry empty = { 0 }; index = selftest_log->smart_selftest_log_index; if (index == 0) goto done; --index; /* Correct for 0 origin */ entry = &selftest_log-> smart_selftest_log_entries[index]; for (count = 1; count <= SCSI_ENTRIES_IN_LOG_SENSE_SELFTEST_RESULTS; ++count) { uint8_t status; uint8_t code; uint8_t sense_key; uint8_t add_sense_code; uint8_t add_sense_code_qual; if (bcmp(entry, &empty, sizeof (empty)) == 0) goto done; lpp->param_code[0] = 0; lpp->param_code[1] = count; lpp->param_ctrl_flags = LOG_CTRL_LP | LOG_CTRL_LBIN; lpp->param_len = SCSI_LOG_SENSE_SELFTEST_PARAM_LEN; status = entry->smart_selftest_log_status; status >>= 4; switch (status) { case 0: default: sense_key = KEY_NO_SENSE; add_sense_code = SD_SCSI_ASC_NO_ADD_SENSE; break; case 1: sense_key = KEY_ABORTED_COMMAND; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_81; break; case 2: sense_key = KEY_ABORTED_COMMAND; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_82; break; case 3: sense_key = KEY_ABORTED_COMMAND; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_83; break; case 4: sense_key = KEY_HARDWARE_ERROR; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_84; break; case 5: sense_key = KEY_HARDWARE_ERROR; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_85; break; case 6: sense_key = KEY_HARDWARE_ERROR; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_86; break; case 7: sense_key = KEY_MEDIUM_ERROR; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_87; break; case 8: sense_key = KEY_HARDWARE_ERROR; add_sense_code = DIAGNOSTIC_FAILURE_ON_COMPONENT; add_sense_code_qual = SCSI_COMPONENT_88; break; } code = 0; /* unspecified */ status |= (code << 4); lpp->param_values[0] = status; lpp->param_values[1] = 0; /* unspecified */ lpp->param_values[2] = entry-> smart_selftest_log_timestamp[1]; lpp->param_values[3] = entry-> smart_selftest_log_timestamp[0]; if (status != 0) { lpp->param_values[4] = 0; lpp->param_values[5] = 0; lpp->param_values[6] = 0; lpp->param_values[7] = 0; lpp->param_values[8] = entry-> smart_selftest_log_failing_lba[3]; lpp->param_values[9] = entry-> smart_selftest_log_failing_lba[2]; lpp->param_values[10] = entry-> smart_selftest_log_failing_lba[1]; lpp->param_values[11] = entry-> smart_selftest_log_failing_lba[0]; } else { /* No block address */ lpp->param_values[4] = 0xff; lpp->param_values[5] = 0xff; lpp->param_values[6] = 0xff; lpp->param_values[7] = 0xff; lpp->param_values[8] = 0xff; lpp->param_values[9] = 0xff; lpp->param_values[10] = 0xff; lpp->param_values[11] = 0xff; } lpp->param_values[12] = sense_key; lpp->param_values[13] = add_sense_code; lpp->param_values[14] = add_sense_code_qual; lpp->param_values[15] = 0; /* undefined */ lpp = (struct log_parameter *) (((uint8_t *)lpp) + SCSI_LOG_PARAM_HDR_LEN + SCSI_LOG_SENSE_SELFTEST_PARAM_LEN); --index; /* back up to previous entry */ if (index < 0) { index = NUM_SMART_SELFTEST_LOG_ENTRIES - 1; } entry = &selftest_log-> smart_selftest_log_entries[index]; } } done: kmem_free(selftest_log, sizeof (struct smart_selftest_log)); } return ((SCSI_LOG_PARAM_HDR_LEN + SCSI_LOG_SENSE_SELFTEST_PARAM_LEN) * SCSI_ENTRIES_IN_LOG_SENSE_SELFTEST_RESULTS); } /* * sata_build_lsense_page_2f() is used to create the * SCSI LOG SENSE page 0x2f (informational exceptions) * * Takes a sata_drive_info t * and the address of a buffer * in which to create the page information as well as a sata_hba_inst_t *. * * Returns the number of bytes valid in the buffer. * * Because it invokes function(s) that send synchronously executed command * to the HBA, it cannot be called in the interrupt context. */ static int sata_build_lsense_page_2f( sata_drive_info_t *sdinfo, uint8_t *buf, sata_hba_inst_t *sata_hba_inst) { struct log_parameter *lpp = (struct log_parameter *)buf; int rval; uint8_t *smart_data; uint8_t temp; sata_id_t *sata_id; #define SMART_NO_TEMP 0xff lpp->param_code[0] = 0; lpp->param_code[1] = 0; lpp->param_ctrl_flags = LOG_CTRL_LP | LOG_CTRL_LBIN; /* Now get the SMART status w.r.t. threshold exceeded */ rval = sata_fetch_smart_return_status(sata_hba_inst, sdinfo); switch (rval) { case 1: lpp->param_values[0] = SCSI_PREDICTED_FAILURE; lpp->param_values[1] = SCSI_GENERAL_HD_FAILURE; break; case 0: case -1: /* failed to get data */ lpp->param_values[0] = 0; /* No failure predicted */ lpp->param_values[1] = 0; break; #if defined(SATA_DEBUG) default: cmn_err(CE_PANIC, "sata_build_lsense_page_2f bad return value"); /* NOTREACHED */ #endif } sata_id = &sdinfo->satadrv_id; if (! (sata_id->ai_sctsupport & SATA_SCT_CMD_TRANS_SUP)) temp = SMART_NO_TEMP; else { /* Now get the temperature */ smart_data = kmem_zalloc(512, KM_SLEEP); rval = sata_smart_read_log(sata_hba_inst, sdinfo, smart_data, SCT_STATUS_LOG_PAGE, 1); if (rval == -1) temp = SMART_NO_TEMP; else { temp = smart_data[200]; if (temp & 0x80) { if (temp & 0x7f) temp = 0; else temp = SMART_NO_TEMP; } } kmem_free(smart_data, 512); } lpp->param_values[2] = temp; /* most recent temperature */ lpp->param_values[3] = 0; /* required vendor specific byte */ lpp->param_len = SCSI_INFO_EXCEPTIONS_PARAM_LEN; return (SCSI_INFO_EXCEPTIONS_PARAM_LEN + SCSI_LOG_PARAM_HDR_LEN); } /* * sata_build_lsense_page_30() is used to create the * SCSI LOG SENSE page 0x30 (Sun's vendor specific page for ATA SMART data). * * Takes a sata_drive_info t * and the address of a buffer * in which to create the page information as well as a sata_hba_inst_t *. * * Returns the number of bytes valid in the buffer. */ static int sata_build_lsense_page_30( sata_drive_info_t *sdinfo, uint8_t *buf, sata_hba_inst_t *sata_hba_inst) { struct smart_data *smart_data = (struct smart_data *)buf; int rval; /* Now do the SMART READ DATA */ rval = sata_fetch_smart_data(sata_hba_inst, sdinfo, smart_data); if (rval == -1) return (0); return (sizeof (struct smart_data)); } /* * sata_build_lsense_page_0e() is used to create the * SCSI LOG SENSE page 0e (start-stop cycle counter page) * * Date of Manufacture (0x0001) * YEAR = "0000" * WEEK = "00" * Accounting Date (0x0002) * 6 ASCII space character(20h) * Specified cycle count over device lifetime * VALUE - THRESH - the delta between max and min; * Accumulated start-stop cycles * VALUE - WORST - the accumulated cycles; * * ID FLAG THRESH VALUE WORST RAW on start/stop counter attribute * * Takes a sata_drive_info t * and the address of a buffer * in which to create the page information as well as a sata_hba_inst_t *. * * Returns the number of bytes valid in the buffer. */ static int sata_build_lsense_page_0e(sata_drive_info_t *sdinfo, uint8_t *buf, sata_pkt_txlate_t *spx) { struct start_stop_cycle_counter_log *log_page; int i, rval, index; uint8_t smart_data[512], id, value, worst, thresh; uint32_t max_count, cycles; /* Now do the SMART READ DATA */ rval = sata_fetch_smart_data(spx->txlt_sata_hba_inst, sdinfo, (struct smart_data *)smart_data); if (rval == -1) return (0); for (i = 0, id = 0; i < SMART_START_STOP_COUNT_ID * 2; i++) { index = (i * 12) + 2; id = smart_data[index]; if (id != SMART_START_STOP_COUNT_ID) continue; else { thresh = smart_data[index + 2]; value = smart_data[index + 3]; worst = smart_data[index + 4]; break; } } if (id != SMART_START_STOP_COUNT_ID) return (0); max_count = value - thresh; cycles = value - worst; log_page = (struct start_stop_cycle_counter_log *)buf; bzero(log_page, sizeof (struct start_stop_cycle_counter_log)); log_page->code = 0x0e; log_page->page_len_low = 0x24; log_page->manufactor_date_low = 0x1; log_page->param_1.fmt_link = 0x1; /* 01b */ log_page->param_len_1 = 0x06; for (i = 0; i < 4; i++) { log_page->year_manu[i] = 0x30; if (i < 2) log_page->week_manu[i] = 0x30; } log_page->account_date_low = 0x02; log_page->param_2.fmt_link = 0x01; /* 01b */ log_page->param_len_2 = 0x06; for (i = 0; i < 4; i++) { log_page->year_account[i] = 0x20; if (i < 2) log_page->week_account[i] = 0x20; } log_page->lifetime_code_low = 0x03; log_page->param_3.fmt_link = 0x03; /* 11b */ log_page->param_len_3 = 0x04; /* VALUE - THRESH - the delta between max and min */ log_page->cycle_code_low = 0x04; log_page->param_4.fmt_link = 0x03; /* 11b */ log_page->param_len_4 = 0x04; /* WORST - THRESH - the distance from 'now' to min */ for (i = 0; i < 4; i++) { log_page->cycle_lifetime[i] = (max_count >> (8 * (3 - i))) & 0xff; log_page->cycle_accumulated[i] = (cycles >> (8 * (3 - i))) & 0xff; } return (sizeof (struct start_stop_cycle_counter_log)); } /* * This function was used for build a ATA read verify sector command */ static void sata_build_read_verify_cmd(sata_cmd_t *scmd, uint16_t sec, uint64_t lba) { scmd->satacmd_cmd_reg = SATAC_RDVER; scmd->satacmd_addr_type = ATA_ADDR_LBA28; scmd->satacmd_flags.sata_special_regs = B_TRUE; scmd->satacmd_sec_count_lsb = sec & 0xff; scmd->satacmd_lba_low_lsb = lba & 0xff; scmd->satacmd_lba_mid_lsb = (lba >> 8) & 0xff; scmd->satacmd_lba_high_lsb = (lba >> 16) & 0xff; scmd->satacmd_device_reg = (SATA_ADH_LBA | (lba >> 24) & 0xf); scmd->satacmd_features_reg = 0; scmd->satacmd_status_reg = 0; scmd->satacmd_error_reg = 0; } /* * This function was used for building an ATA * command, and only command register need to * be defined, other register will be zero or na. */ static void sata_build_generic_cmd(sata_cmd_t *scmd, uint8_t cmd) { scmd->satacmd_addr_type = 0; scmd->satacmd_cmd_reg = cmd; scmd->satacmd_device_reg = 0; scmd->satacmd_sec_count_lsb = 0; scmd->satacmd_lba_low_lsb = 0; scmd->satacmd_lba_mid_lsb = 0; scmd->satacmd_lba_high_lsb = 0; scmd->satacmd_features_reg = 0; scmd->satacmd_status_reg = 0; scmd->satacmd_error_reg = 0; scmd->satacmd_flags.sata_special_regs = B_TRUE; } /* * This function was used for changing the standby * timer format from SCSI to ATA. */ static uint8_t sata_get_standby_timer(uint8_t *timer) { uint32_t i = 0, count = 0; uint8_t ata_count; for (i = 0; i < 4; i++) { count = count << 8 | timer[i]; } if (count == 0) return (0); if (count >= 1 && count <= 12000) ata_count = (count -1) / 50 + 1; else if (count > 12000 && count <= 12600) ata_count = 0xfc; else if (count > 12601 && count <= 12750) ata_count = 0xff; else if (count > 12750 && count <= 17999) ata_count = 0xf1; else if (count > 18000 && count <= 198000) ata_count = count / 18000 + 240; else ata_count = 0xfd; return (ata_count); } /* ************************** ATAPI-SPECIFIC FUNCTIONS ********************** */ /* * Start command for ATAPI device. * This function processes scsi_pkt requests. * Now CD/DVD, tape and ATAPI disk devices are supported. * Most commands are packet without any translation into Packet Command. * Some may be trapped and executed as SATA commands (not clear which one). * * Returns TRAN_ACCEPT if command is accepted for execution (or completed * execution). * Returns other TRAN_XXXX codes if command is not accepted or completed * (see return values for sata_hba_start()). * * Note: * Inquiry cdb format differs between transport version 2 and 3. * However, the transport version 3 devices that were checked did not adhere * to the specification (ignored MSB of the allocation length). Therefore, * the transport version is not checked, but Inquiry allocation length is * truncated to 255 bytes if the original allocation length set-up by the * target driver is greater than 255 bytes. */ static int sata_txlt_atapi(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; sata_cmd_t *scmd = &spx->txlt_sata_pkt->satapkt_cmd; struct buf *bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; sata_hba_inst_t *sata_hba = SATA_TXLT_HBA_INST(spx); sata_drive_info_t *sdinfo = sata_get_device_info(sata_hba, &spx->txlt_sata_pkt->satapkt_device); kmutex_t *cport_mutex = &(SATA_TXLT_CPORT_MUTEX(spx)); int cdblen; int rval, reason; int synch; union scsi_cdb *cdbp = (union scsi_cdb *)scsipkt->pkt_cdbp; mutex_enter(cport_mutex); if (((rval = sata_txlt_generic_pkt_info(spx, &reason, 0)) != TRAN_ACCEPT) || (reason == CMD_DEV_GONE)) { mutex_exit(cport_mutex); return (rval); } /* * ATAPI device executes some ATA commands in addition to those * commands sent via PACKET command. These ATA commands may be * executed by the regular SATA translation functions. None needs * to be captured now. * * Commands sent via PACKET command include: * MMC command set for ATAPI CD/DVD device * SSC command set for ATAPI TAPE device * SBC command set for ATAPI disk device * */ /* Check the size of cdb */ switch (GETGROUP(cdbp)) { case CDB_GROUPID_3: /* Reserved, per SPC-4 */ /* * opcodes 0x7e and 0x7f identify variable-length CDBs and * therefore require special handling. Return failure, for now. */ mutex_exit(cport_mutex); return (TRAN_BADPKT); case CDB_GROUPID_6: /* Vendor-specific, per SPC-4 */ case CDB_GROUPID_7: /* Vendor-specific, per SPC-4 */ /* obtain length from the scsi_pkt */ cdblen = scsipkt->pkt_cdblen; break; default: /* CDB's length is statically known, per SPC-4 */ cdblen = scsi_cdb_size[GETGROUP(cdbp)]; break; } if (cdblen <= 0 || cdblen > sdinfo->satadrv_atapi_cdb_len) { sata_log(NULL, CE_WARN, "sata: invalid ATAPI cdb length %d", cdblen); mutex_exit(cport_mutex); return (TRAN_BADPKT); } SATAATAPITRACE(spx, cdblen); /* * For non-read/write commands we need to * map buffer */ switch ((uint_t)scsipkt->pkt_cdbp[0]) { case SCMD_READ: case SCMD_READ_G1: case SCMD_READ_G5: case SCMD_READ_G4: case SCMD_WRITE: case SCMD_WRITE_G1: case SCMD_WRITE_G5: case SCMD_WRITE_G4: break; default: if (bp != NULL) { if (bp->b_flags & (B_PHYS | B_PAGEIO)) bp_mapin(bp); } break; } /* * scmd->satacmd_flags.sata_data_direction default - * SATA_DIR_NODATA_XFER - is set by * sata_txlt_generic_pkt_info(). */ if (scmd->satacmd_bp) { if (scmd->satacmd_bp->b_flags & B_READ) { scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; } else { scmd->satacmd_flags.sata_data_direction = SATA_DIR_WRITE; } } /* * Set up ATAPI packet command. */ sata_atapi_packet_cmd_setup(scmd, sdinfo); /* Copy cdb into sata_cmd */ scmd->satacmd_acdb_len = sdinfo->satadrv_atapi_cdb_len; bzero(scmd->satacmd_acdb, SATA_ATAPI_MAX_CDB_LEN); bcopy(cdbp, scmd->satacmd_acdb, cdblen); /* See note in the command header */ if (scmd->satacmd_acdb[0] == SCMD_INQUIRY) { if (scmd->satacmd_acdb[3] != 0) scmd->satacmd_acdb[4] = 255; } #ifdef SATA_DEBUG if (sata_debug_flags & SATA_DBG_ATAPI) { uint8_t *p = scmd->satacmd_acdb; char buf[3 * SATA_ATAPI_MAX_CDB_LEN]; (void) snprintf(buf, SATA_ATAPI_MAX_CDB_LEN, "%02x %02x %02x %02x %02x %02x %02x %02x " "%2x %02x %02x %02x %02x %02x %02x %02x", p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); buf[(3 * SATA_ATAPI_MAX_CDB_LEN) - 1] = '\0'; cmn_err(CE_NOTE, "ATAPI cdb: %s\n", buf); } #endif /* * Preset request sense data to NO SENSE. * If there is no way to get error information via Request Sense, * the packet request sense data would not have to be modified by HBA, * but it could be returned as is. */ bzero(scmd->satacmd_rqsense, SATA_ATAPI_RQSENSE_LEN); sata_fixed_sense_data_preset( (struct scsi_extended_sense *)scmd->satacmd_rqsense); if (!(spx->txlt_sata_pkt->satapkt_op_mode & SATA_OPMODE_SYNCH)) { /* Need callback function */ spx->txlt_sata_pkt->satapkt_comp = sata_txlt_atapi_completion; synch = FALSE; } else synch = TRUE; /* Transfer command to HBA */ if (sata_hba_start(spx, &rval) != 0) { /* Pkt not accepted for execution */ mutex_exit(cport_mutex); return (rval); } mutex_exit(cport_mutex); /* * If execution is non-synchronous, * a callback function will handle potential errors, translate * the response and will do a callback to a target driver. * If it was synchronous, use the same framework callback to check * an execution status. */ if (synch) { SATADBG1(SATA_DBG_SCSI_IF, spx->txlt_sata_hba_inst, "synchronous execution status %x\n", spx->txlt_sata_pkt->satapkt_reason); sata_txlt_atapi_completion(spx->txlt_sata_pkt); } return (TRAN_ACCEPT); } /* * ATAPI Packet command completion. * * Failure of the command passed via Packet command are considered device * error. SATA HBA driver would have to retrieve error data (via Request * Sense command delivered via error retrieval sata packet) and copy it * to satacmd_rqsense array. From there, it is moved into scsi pkt sense data. */ static void sata_txlt_atapi_completion(sata_pkt_t *sata_pkt) { sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct scsi_extended_sense *sense; struct buf *bp; int rval; #ifdef SATA_DEBUG uint8_t *rqsp = sata_pkt->satapkt_cmd.satacmd_rqsense; #endif scsipkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS; if (sata_pkt->satapkt_reason == SATA_PKT_COMPLETED) { /* Normal completion */ if (sata_pkt->satapkt_cmd.satacmd_bp != NULL) scsipkt->pkt_state |= STATE_XFERRED_DATA; scsipkt->pkt_reason = CMD_CMPLT; *scsipkt->pkt_scbp = STATUS_GOOD; if (spx->txlt_tmp_buf != NULL) { /* Temporary buffer was used */ bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; if (bp->b_flags & B_READ) { rval = ddi_dma_sync( spx->txlt_buf_dma_handle, 0, 0, DDI_DMA_SYNC_FORCPU); ASSERT(rval == DDI_SUCCESS); bcopy(spx->txlt_tmp_buf, bp->b_un.b_addr, bp->b_bcount); } } } else { /* * Something went wrong - analyze return */ *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); if (sata_pkt->satapkt_reason == SATA_PKT_DEV_ERROR) { /* * pkt_reason should be CMD_CMPLT for DEVICE ERROR. * Under this condition ERR bit is set for ATA command, * and CHK bit set for ATAPI command. * * Please check st_intr & sdintr about how pkt_reason * is used. */ scsipkt->pkt_reason = CMD_CMPLT; /* * We may not have ARQ data if there was a double * error. But sense data in sata packet was pre-set * with NO SENSE so it is valid even if HBA could * not retrieve a real sense data. * Just copy this sense data into scsi pkt sense area. */ bcopy(sata_pkt->satapkt_cmd.satacmd_rqsense, sense, SATA_ATAPI_MIN_RQSENSE_LEN); #ifdef SATA_DEBUG if (sata_debug_flags & SATA_DBG_SCSI_IF) { sata_log(spx->txlt_sata_hba_inst, CE_WARN, "sata_txlt_atapi_completion: %02x\n" "RQSENSE: %02x %02x %02x %02x %02x %02x " " %02x %02x %02x %02x %02x %02x " " %02x %02x %02x %02x %02x %02x\n", scsipkt->pkt_reason, rqsp[0], rqsp[1], rqsp[2], rqsp[3], rqsp[4], rqsp[5], rqsp[6], rqsp[7], rqsp[8], rqsp[9], rqsp[10], rqsp[11], rqsp[12], rqsp[13], rqsp[14], rqsp[15], rqsp[16], rqsp[17]); } #endif } else { switch (sata_pkt->satapkt_reason) { case SATA_PKT_PORT_ERROR: /* * We have no device data. */ scsipkt->pkt_reason = CMD_INCOMPLETE; scsipkt->pkt_state &= ~(STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS); sense->es_key = KEY_HARDWARE_ERROR; break; case SATA_PKT_TIMEOUT: scsipkt->pkt_reason = CMD_TIMEOUT; scsipkt->pkt_statistics |= STAT_TIMEOUT | STAT_DEV_RESET; /* * Need to check if HARDWARE_ERROR/ * TIMEOUT_ON_LOGICAL_UNIT 4/3E/2 would be more * appropriate. */ break; case SATA_PKT_ABORTED: scsipkt->pkt_reason = CMD_ABORTED; scsipkt->pkt_statistics |= STAT_ABORTED; /* Should we set key COMMAND_ABPRTED? */ break; case SATA_PKT_RESET: scsipkt->pkt_reason = CMD_RESET; scsipkt->pkt_statistics |= STAT_DEV_RESET; /* * May be we should set Unit Attention / * Reset. Perhaps the same should be * returned for disks.... */ sense->es_key = KEY_UNIT_ATTENTION; sense->es_add_code = SD_SCSI_ASC_RESET; break; default: SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, "sata_txlt_atapi_completion: " "invalid packet completion reason")); scsipkt->pkt_reason = CMD_TRAN_ERR; scsipkt->pkt_state &= ~(STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_GOT_STATUS); break; } } } SATAATAPITRACE(spx, 0); if ((scsipkt->pkt_flags & FLAG_NOINTR) == 0 && scsipkt->pkt_comp != NULL) { /* scsi callback required */ (*scsipkt->pkt_comp)(scsipkt); } } /* * Set up error retrieval sata command for ATAPI Packet Command error data * recovery. * * Returns SATA_SUCCESS when data buffer is allocated and packet set-up, * returns SATA_FAILURE otherwise. */ static int sata_atapi_err_ret_cmd_setup(sata_pkt_txlate_t *spx, sata_drive_info_t *sdinfo) { sata_pkt_t *spkt = spx->txlt_sata_pkt; sata_cmd_t *scmd; struct buf *bp; /* * Allocate dma-able buffer error data. * Buffer allocation will take care of buffer alignment and other DMA * attributes. */ bp = sata_alloc_local_buffer(spx, SATA_ATAPI_MIN_RQSENSE_LEN); if (bp == NULL) { SATADBG1(SATA_DBG_ATAPI, spx->txlt_sata_hba_inst, "sata_get_err_retrieval_pkt: " "cannot allocate buffer for error data", NULL); return (SATA_FAILURE); } bp_mapin(bp); /* make data buffer accessible */ /* Operation modes are up to the caller */ spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; /* Synchronous mode, no callback - may be changed by the caller */ spkt->satapkt_comp = NULL; spkt->satapkt_time = sata_default_pkt_time; scmd = &spkt->satapkt_cmd; scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; sata_atapi_packet_cmd_setup(scmd, sdinfo); /* * Set-up acdb. Request Sense CDB (packet command content) is * not in DMA-able buffer. Its handling is HBA-specific (how * it is transfered into packet FIS). */ scmd->satacmd_acdb_len = sdinfo->satadrv_atapi_cdb_len; bcopy(sata_rqsense_cdb, scmd->satacmd_acdb, SATA_ATAPI_RQSENSE_CDB_LEN); /* Following zeroing of pad bytes may not be necessary */ bzero(&scmd->satacmd_acdb[SATA_ATAPI_RQSENSE_CDB_LEN], sdinfo->satadrv_atapi_cdb_len - SATA_ATAPI_RQSENSE_CDB_LEN); /* * Set-up pointer to the buffer handle, so HBA can sync buffer * before accessing it. Handle is in usual place in translate struct. */ scmd->satacmd_err_ret_buf_handle = &spx->txlt_buf_dma_handle; /* * Preset request sense data to NO SENSE. * Here it is redundant, only for a symetry with scsi-originated * packets. It should not be used for anything but debugging. */ bzero(scmd->satacmd_rqsense, SATA_ATAPI_RQSENSE_LEN); sata_fixed_sense_data_preset( (struct scsi_extended_sense *)scmd->satacmd_rqsense); ASSERT(scmd->satacmd_num_dma_cookies != 0); ASSERT(scmd->satacmd_dma_cookie_list != NULL); return (SATA_SUCCESS); } /* * Set-up ATAPI packet command. * Data transfer direction has to be set-up in sata_cmd structure prior to * calling this function. * * Returns void */ static void sata_atapi_packet_cmd_setup(sata_cmd_t *scmd, sata_drive_info_t *sdinfo) { scmd->satacmd_addr_type = 0; /* N/A */ scmd->satacmd_sec_count_lsb = 0; /* no tag */ scmd->satacmd_lba_low_lsb = 0; /* N/A */ scmd->satacmd_lba_mid_lsb = (uint8_t)SATA_ATAPI_MAX_BYTES_PER_DRQ; scmd->satacmd_lba_high_lsb = (uint8_t)(SATA_ATAPI_MAX_BYTES_PER_DRQ >> 8); scmd->satacmd_cmd_reg = SATAC_PACKET; /* Command */ /* * We want all data to be transfered via DMA. * But specify it only if drive supports DMA and DMA mode is * selected - some drives are sensitive about it. * Hopefully it wil work for all drives.... */ if (sdinfo->satadrv_settings & SATA_DEV_DMA) scmd->satacmd_features_reg = SATA_ATAPI_F_DMA; /* * Features register requires special care for devices that use * Serial ATA bridge - they need an explicit specification of * the data transfer direction for Packet DMA commands. * Setting this bit is harmless if DMA is not used. * * Many drives do not implement word 80, specifying what ATA/ATAPI * spec they follow. * We are arbitrarily following the latest SerialATA 2.6 spec, * which uses ATA/ATAPI 6 specification for Identify Data, unless * ATA/ATAPI-7 support is explicitly indicated. */ if (sdinfo->satadrv_id.ai_majorversion != 0 && sdinfo->satadrv_id.ai_majorversion != 0xffff && (sdinfo->satadrv_id.ai_majorversion & SATA_MAJVER_7) != 0) { /* * Specification of major version is valid and version 7 * is supported. It does automatically imply that all * spec features are supported. For now, we assume that * DMADIR setting is valid. ATA/ATAPI7 spec is incomplete. */ if ((sdinfo->satadrv_id.ai_dirdma & SATA_ATAPI_ID_DMADIR_REQ) != 0) { if (scmd->satacmd_flags.sata_data_direction == SATA_DIR_READ) scmd->satacmd_features_reg |= SATA_ATAPI_F_DATA_DIR_READ; } } } #ifdef SATA_DEBUG /* Display 18 bytes of Inquiry data */ static void sata_show_inqry_data(uint8_t *buf) { struct scsi_inquiry *inq = (struct scsi_inquiry *)buf; uint8_t *p; cmn_err(CE_NOTE, "Inquiry data:"); cmn_err(CE_NOTE, "device type %x", inq->inq_dtype); cmn_err(CE_NOTE, "removable media %x", inq->inq_rmb); cmn_err(CE_NOTE, "version %x", inq->inq_ansi); cmn_err(CE_NOTE, "ATAPI transport version %d", SATA_ATAPI_TRANS_VERSION(inq)); cmn_err(CE_NOTE, "response data format %d, aenc %d", inq->inq_rdf, inq->inq_aenc); cmn_err(CE_NOTE, " additional length %d", inq->inq_len); cmn_err(CE_NOTE, "tpgs %d", inq->inq_tpgs); p = (uint8_t *)inq->inq_vid; cmn_err(CE_NOTE, "vendor id (binary): %02x %02x %02x %02x " "%02x %02x %02x %02x", p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); p = (uint8_t *)inq->inq_vid; cmn_err(CE_NOTE, "vendor id: %c %c %c %c %c %c %c %c", p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); p = (uint8_t *)inq->inq_pid; cmn_err(CE_NOTE, "product id (binary): %02x %02x %02x %02x " "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x", p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); p = (uint8_t *)inq->inq_pid; cmn_err(CE_NOTE, "product id: %c %c %c %c %c %c %c %c " "%c %c %c %c %c %c %c %c", p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); p = (uint8_t *)inq->inq_revision; cmn_err(CE_NOTE, "revision (binary): %02x %02x %02x %02x", p[0], p[1], p[2], p[3]); p = (uint8_t *)inq->inq_revision; cmn_err(CE_NOTE, "revision: %c %c %c %c", p[0], p[1], p[2], p[3]); } static void sata_save_atapi_trace(sata_pkt_txlate_t *spx, int count) { struct scsi_pkt *scsi_pkt = spx->txlt_scsi_pkt; if (scsi_pkt == NULL) return; if (count != 0) { /* saving cdb */ bzero(sata_atapi_trace[sata_atapi_trace_index].acdb, SATA_ATAPI_MAX_CDB_LEN); bcopy(scsi_pkt->pkt_cdbp, sata_atapi_trace[sata_atapi_trace_index].acdb, count); } else { bcopy(&((struct scsi_arq_status *)scsi_pkt->pkt_scbp)-> sts_sensedata, sata_atapi_trace[sata_atapi_trace_index].arqs, SATA_ATAPI_MIN_RQSENSE_LEN); sata_atapi_trace[sata_atapi_trace_index].scsi_pkt_reason = scsi_pkt->pkt_reason; sata_atapi_trace[sata_atapi_trace_index].sata_pkt_reason = spx->txlt_sata_pkt->satapkt_reason; if (++sata_atapi_trace_index >= 64) sata_atapi_trace_index = 0; } } #endif /* * Fetch inquiry data from ATAPI device * Returns SATA_SUCCESS if operation was successful, SATA_FAILURE otherwise. * * Note: * inqb pointer does not point to a DMA-able buffer. It is a local buffer * where the caller expects to see the inquiry data. * */ static int sata_get_atapi_inquiry_data(sata_hba_inst_t *sata_hba, sata_address_t *saddr, struct scsi_inquiry *inq) { sata_pkt_txlate_t *spx; sata_pkt_t *spkt; struct buf *bp; sata_drive_info_t *sdinfo; sata_cmd_t *scmd; int rval; uint8_t *rqsp; dev_info_t *dip = SATA_DIP(sata_hba); #ifdef SATA_DEBUG char msg_buf[MAXPATHLEN]; #endif kmutex_t *cport_mutex; ASSERT(sata_hba != NULL); spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); spx->txlt_sata_hba_inst = sata_hba; spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ spkt = sata_pkt_alloc(spx, NULL); if (spkt == NULL) { kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (SATA_FAILURE); } /* address is needed now */ spkt->satapkt_device.satadev_addr = *saddr; /* scsi_inquiry size buffer */ bp = sata_alloc_local_buffer(spx, sizeof (struct scsi_inquiry)); if (bp == NULL) { sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); SATA_LOG_D((sata_hba, CE_WARN, "sata_get_atapi_inquiry_data: " "cannot allocate data buffer")); return (SATA_FAILURE); } bp_mapin(bp); /* make data buffer accessible */ scmd = &spkt->satapkt_cmd; ASSERT(scmd->satacmd_num_dma_cookies != 0); ASSERT(scmd->satacmd_dma_cookie_list != NULL); /* Use synchronous mode */ spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; spkt->satapkt_comp = NULL; spkt->satapkt_time = sata_default_pkt_time; /* Issue inquiry command - 6 bytes cdb, data transfer, read */ scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; cport_mutex = &(SATA_CPORT_MUTEX(sata_hba, saddr->cport)); mutex_enter(cport_mutex); sdinfo = sata_get_device_info(sata_hba, &spx->txlt_sata_pkt->satapkt_device); if (sdinfo == NULL) { /* we have to be carefull about the disapearing device */ mutex_exit(cport_mutex); rval = SATA_FAILURE; goto cleanup; } sata_atapi_packet_cmd_setup(scmd, sdinfo); /* * Set-up acdb. This works for atapi transport version 2 and later. */ scmd->satacmd_acdb_len = sdinfo->satadrv_atapi_cdb_len; bzero(scmd->satacmd_acdb, SATA_ATAPI_MAX_CDB_LEN); scmd->satacmd_acdb[0] = 0x12; /* Inquiry */ scmd->satacmd_acdb[1] = 0x00; scmd->satacmd_acdb[2] = 0x00; scmd->satacmd_acdb[3] = 0x00; scmd->satacmd_acdb[4] = sizeof (struct scsi_inquiry); scmd->satacmd_acdb[5] = 0x00; sata_fixed_sense_data_preset( (struct scsi_extended_sense *)scmd->satacmd_rqsense); /* Transfer command to HBA */ if (sata_hba_start(spx, &rval) != 0) { /* Pkt not accepted for execution */ SATADBG1(SATA_DBG_ATAPI, sata_hba, "sata_get_atapi_inquiry_data: " "Packet not accepted for execution - ret: %02x", rval); mutex_exit(cport_mutex); rval = SATA_FAILURE; goto cleanup; } mutex_exit(cport_mutex); if (spkt->satapkt_reason == SATA_PKT_COMPLETED) { SATADBG1(SATA_DBG_ATAPI, sata_hba, "sata_get_atapi_inquiry_data: " "Packet completed successfully - ret: %02x", rval); if (spx->txlt_buf_dma_handle != NULL) { /* * Sync buffer. Handle is in usual place in translate * struct. */ rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, DDI_DMA_SYNC_FORCPU); ASSERT(rval == DDI_SUCCESS); } if (sata_check_for_dma_error(dip, spx)) { ddi_fm_service_impact(dip, DDI_SERVICE_UNAFFECTED); rval = SATA_FAILURE; } else { /* * Normal completion - copy data into caller's buffer */ bcopy(bp->b_un.b_addr, (uint8_t *)inq, sizeof (struct scsi_inquiry)); #ifdef SATA_DEBUG if (sata_debug_flags & SATA_DBG_ATAPI) { sata_show_inqry_data((uint8_t *)inq); } #endif rval = SATA_SUCCESS; } } else { /* * Something went wrong - analyze return - check rqsense data */ rval = SATA_FAILURE; if (spkt->satapkt_reason == SATA_PKT_DEV_ERROR) { /* * ARQ data hopefull show something other than NO SENSE */ rqsp = scmd->satacmd_rqsense; #ifdef SATA_DEBUG if (sata_debug_flags & SATA_DBG_ATAPI) { msg_buf[0] = '\0'; (void) snprintf(msg_buf, MAXPATHLEN, "ATAPI packet completion reason: %02x\n" "RQSENSE: %02x %02x %02x %02x %02x %02x\n" " %02x %02x %02x %02x %02x %02x\n" " %02x %02x %02x %02x %02x %02x", spkt->satapkt_reason, rqsp[0], rqsp[1], rqsp[2], rqsp[3], rqsp[4], rqsp[5], rqsp[6], rqsp[7], rqsp[8], rqsp[9], rqsp[10], rqsp[11], rqsp[12], rqsp[13], rqsp[14], rqsp[15], rqsp[16], rqsp[17]); sata_log(spx->txlt_sata_hba_inst, CE_WARN, "%s", msg_buf); } #endif } else { switch (spkt->satapkt_reason) { case SATA_PKT_PORT_ERROR: SATADBG1(SATA_DBG_ATAPI, sata_hba, "sata_get_atapi_inquiry_data: " "packet reason: port error", NULL); break; case SATA_PKT_TIMEOUT: SATADBG1(SATA_DBG_ATAPI, sata_hba, "sata_get_atapi_inquiry_data: " "packet reason: timeout", NULL); break; case SATA_PKT_ABORTED: SATADBG1(SATA_DBG_ATAPI, sata_hba, "sata_get_atapi_inquiry_data: " "packet reason: aborted", NULL); break; case SATA_PKT_RESET: SATADBG1(SATA_DBG_ATAPI, sata_hba, "sata_get_atapi_inquiry_data: " "packet reason: reset\n", NULL); break; default: SATADBG1(SATA_DBG_ATAPI, sata_hba, "sata_get_atapi_inquiry_data: " "invalid packet reason: %02x\n", spkt->satapkt_reason); break; } } } cleanup: sata_free_local_buffer(spx); sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (rval); } #if 0 #ifdef SATA_DEBUG /* * Test ATAPI packet command. * Single threaded test: send packet command in synch mode, process completion * */ static void sata_test_atapi_packet_command(sata_hba_inst_t *sata_hba_inst, int cport) { sata_pkt_txlate_t *spx; sata_pkt_t *spkt; struct buf *bp; sata_device_t sata_device; sata_drive_info_t *sdinfo; sata_cmd_t *scmd; int rval; uint8_t *rqsp; ASSERT(sata_hba_inst != NULL); sata_device.satadev_addr.cport = cport; sata_device.satadev_addr.pmport = 0; sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; sata_device.satadev_rev = SATA_DEVICE_REV; mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); if (sdinfo == NULL) { sata_log(sata_hba_inst, CE_WARN, "sata_test_atapi_packet_command: " "no device info for cport %d", sata_device.satadev_addr.cport); return; } spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); spx->txlt_sata_hba_inst = sata_hba_inst; spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ spkt = sata_pkt_alloc(spx, NULL); if (spkt == NULL) { kmem_free(spx, sizeof (sata_pkt_txlate_t)); return; } /* address is needed now */ spkt->satapkt_device.satadev_addr = sata_device.satadev_addr; /* 1024k buffer */ bp = sata_alloc_local_buffer(spx, 1024); if (bp == NULL) { sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); sata_log(sata_hba_inst, CE_WARN, "sata_test_atapi_packet_command: " "cannot allocate data buffer"); return; } bp_mapin(bp); /* make data buffer accessible */ scmd = &spkt->satapkt_cmd; ASSERT(scmd->satacmd_num_dma_cookies != 0); ASSERT(scmd->satacmd_dma_cookie_list != NULL); /* Use synchronous mode */ spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; /* Synchronous mode, no callback - may be changed by the caller */ spkt->satapkt_comp = NULL; spkt->satapkt_time = sata_default_pkt_time; /* Issue inquiry command - 6 bytes cdb, data transfer, read */ scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; sata_atapi_packet_cmd_setup(scmd, sdinfo); /* Set-up acdb. */ scmd->satacmd_acdb_len = sdinfo->satadrv_atapi_cdb_len; bzero(scmd->satacmd_acdb, SATA_ATAPI_MAX_CDB_LEN); scmd->satacmd_acdb[0] = 0x12; /* Inquiry */ scmd->satacmd_acdb[1] = 0x00; scmd->satacmd_acdb[2] = 0x00; scmd->satacmd_acdb[3] = 0x00; scmd->satacmd_acdb[4] = sizeof (struct scsi_inquiry); scmd->satacmd_acdb[5] = 0x00; sata_fixed_sense_data_preset( (struct scsi_extended_sense *)scmd->satacmd_rqsense); /* Transfer command to HBA */ mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); if (sata_hba_start(spx, &rval) != 0) { /* Pkt not accepted for execution */ sata_log(sata_hba_inst, CE_WARN, "sata_test_atapi_packet_command: " "Packet not accepted for execution - ret: %02x", rval); mutex_exit( &SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); goto cleanup; } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); if (spx->txlt_buf_dma_handle != NULL) { /* * Sync buffer. Handle is in usual place in translate struct. */ rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, DDI_DMA_SYNC_FORCPU); ASSERT(rval == DDI_SUCCESS); } if (spkt->satapkt_reason == SATA_PKT_COMPLETED) { sata_log(sata_hba_inst, CE_WARN, "sata_test_atapi_packet_command: " "Packet completed successfully"); /* * Normal completion - show inquiry data */ sata_show_inqry_data((uint8_t *)bp->b_un.b_addr); } else { /* * Something went wrong - analyze return - check rqsense data */ if (spkt->satapkt_reason == SATA_PKT_DEV_ERROR) { /* * ARQ data hopefull show something other than NO SENSE */ rqsp = scmd->satacmd_rqsense; sata_log(spx->txlt_sata_hba_inst, CE_WARN, "ATAPI packet completion reason: %02x\n" "RQSENSE: %02x %02x %02x %02x %02x %02x " " %02x %02x %02x %02x %02x %02x " " %02x %02x %02x %02x %02x %02x\n", spkt->satapkt_reason, rqsp[0], rqsp[1], rqsp[2], rqsp[3], rqsp[4], rqsp[5], rqsp[6], rqsp[7], rqsp[8], rqsp[9], rqsp[10], rqsp[11], rqsp[12], rqsp[13], rqsp[14], rqsp[15], rqsp[16], rqsp[17]); } else { switch (spkt->satapkt_reason) { case SATA_PKT_PORT_ERROR: sata_log(sata_hba_inst, CE_WARN, "sata_test_atapi_packet_command: " "packet reason: port error\n"); break; case SATA_PKT_TIMEOUT: sata_log(sata_hba_inst, CE_WARN, "sata_test_atapi_packet_command: " "packet reason: timeout\n"); break; case SATA_PKT_ABORTED: sata_log(sata_hba_inst, CE_WARN, "sata_test_atapi_packet_command: " "packet reason: aborted\n"); break; case SATA_PKT_RESET: sata_log(sata_hba_inst, CE_WARN, "sata_test_atapi_packet_command: " "packet reason: reset\n"); break; default: sata_log(sata_hba_inst, CE_WARN, "sata_test_atapi_packet_command: " "invalid packet reason: %02x\n", spkt->satapkt_reason); break; } } } cleanup: sata_free_local_buffer(spx); sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); } #endif /* SATA_DEBUG */ #endif /* 1 */ /* ************************** LOCAL HELPER FUNCTIONS *********************** */ /* * Validate sata_tran info * SATA_FAILURE returns if structure is inconsistent or structure revision * does not match one used by the framework. * * Returns SATA_SUCCESS if sata_hba_tran has matching revision and contains * required function pointers. * Returns SATA_FAILURE otherwise. */ static int sata_validate_sata_hba_tran(dev_info_t *dip, sata_hba_tran_t *sata_tran) { /* * SATA_TRAN_HBA_REV is the current (highest) revision number * of the SATA interface. */ if (sata_tran->sata_tran_hba_rev > SATA_TRAN_HBA_REV) { sata_log(NULL, CE_WARN, "sata: invalid sata_hba_tran version %d for driver %s", sata_tran->sata_tran_hba_rev, ddi_driver_name(dip)); return (SATA_FAILURE); } if (dip != sata_tran->sata_tran_hba_dip) { SATA_LOG_D((NULL, CE_WARN, "sata: inconsistent sata_tran_hba_dip " "%p / %p", sata_tran->sata_tran_hba_dip, dip)); return (SATA_FAILURE); } if (sata_tran->sata_tran_probe_port == NULL || sata_tran->sata_tran_start == NULL || sata_tran->sata_tran_abort == NULL || sata_tran->sata_tran_reset_dport == NULL || sata_tran->sata_tran_hotplug_ops == NULL || sata_tran->sata_tran_hotplug_ops->sata_tran_port_activate == NULL || sata_tran->sata_tran_hotplug_ops->sata_tran_port_deactivate == NULL) { SATA_LOG_D((NULL, CE_WARN, "sata: sata_hba_tran missing " "required functions")); } return (SATA_SUCCESS); } /* * Remove HBA instance from sata_hba_list. */ static void sata_remove_hba_instance(dev_info_t *dip) { sata_hba_inst_t *sata_hba_inst; mutex_enter(&sata_mutex); for (sata_hba_inst = sata_hba_list; sata_hba_inst != (struct sata_hba_inst *)NULL; sata_hba_inst = sata_hba_inst->satahba_next) { if (sata_hba_inst->satahba_dip == dip) break; } if (sata_hba_inst == (struct sata_hba_inst *)NULL) { #ifdef SATA_DEBUG cmn_err(CE_WARN, "sata_remove_hba_instance: " "unknown HBA instance\n"); #endif ASSERT(FALSE); } if (sata_hba_inst == sata_hba_list) { sata_hba_list = sata_hba_inst->satahba_next; if (sata_hba_list) { sata_hba_list->satahba_prev = (struct sata_hba_inst *)NULL; } if (sata_hba_inst == sata_hba_list_tail) { sata_hba_list_tail = NULL; } } else if (sata_hba_inst == sata_hba_list_tail) { sata_hba_list_tail = sata_hba_inst->satahba_prev; if (sata_hba_list_tail) { sata_hba_list_tail->satahba_next = (struct sata_hba_inst *)NULL; } } else { sata_hba_inst->satahba_prev->satahba_next = sata_hba_inst->satahba_next; sata_hba_inst->satahba_next->satahba_prev = sata_hba_inst->satahba_prev; } mutex_exit(&sata_mutex); } /* * Probe all SATA ports of the specified HBA instance. * The assumption is that there are no target and attachment point minor nodes * created by the boot subsystems, so we do not need to prune device tree. * * This function is called only from sata_hba_attach(). It does not have to * be protected by controller mutex, because the hba_attached flag is not set * yet and no one would be touching this HBA instance other than this thread. * Determines if port is active and what type of the device is attached * (if any). Allocates necessary structures for each port. * * An AP (Attachement Point) node is created for each SATA device port even * when there is no device attached. */ static void sata_probe_ports(sata_hba_inst_t *sata_hba_inst) { dev_info_t *dip = SATA_DIP(sata_hba_inst); int ncport; sata_cport_info_t *cportinfo; sata_drive_info_t *drive; sata_device_t sata_device; int rval; dev_t minor_number; char name[16]; clock_t start_time, cur_time; /* * Probe controller ports first, to find port status and * any port multiplier attached. */ for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); ncport++) { /* allocate cport structure */ cportinfo = kmem_zalloc(sizeof (sata_cport_info_t), KM_SLEEP); ASSERT(cportinfo != NULL); mutex_init(&cportinfo->cport_mutex, NULL, MUTEX_DRIVER, NULL); mutex_enter(&cportinfo->cport_mutex); cportinfo->cport_addr.cport = ncport; cportinfo->cport_addr.pmport = 0; cportinfo->cport_addr.qual = SATA_ADDR_CPORT; cportinfo->cport_state &= ~SATA_PORT_STATE_CLEAR_MASK; cportinfo->cport_state |= SATA_STATE_PROBING; SATA_CPORT_INFO(sata_hba_inst, ncport) = cportinfo; /* * Regardless if a port is usable or not, create * an attachment point */ mutex_exit(&cportinfo->cport_mutex); minor_number = SATA_MAKE_AP_MINOR(ddi_get_instance(dip), ncport, 0, SATA_ADDR_CPORT); (void) sprintf(name, "%d", ncport); if (ddi_create_minor_node(dip, name, S_IFCHR, minor_number, DDI_NT_SATA_ATTACHMENT_POINT, 0) != DDI_SUCCESS) { sata_log(sata_hba_inst, CE_WARN, "sata_hba_attach: " "cannot create SATA attachment point for port %d", ncport); } /* Probe port */ start_time = ddi_get_lbolt(); reprobe_cport: sata_device.satadev_addr.cport = ncport; sata_device.satadev_addr.pmport = 0; sata_device.satadev_addr.qual = SATA_ADDR_CPORT; sata_device.satadev_rev = SATA_DEVICE_REV; rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (dip, &sata_device); mutex_enter(&cportinfo->cport_mutex); cportinfo->cport_scr = sata_device.satadev_scr; if (rval != SATA_SUCCESS) { /* Something went wrong? Fail the port */ cportinfo->cport_state = SATA_PSTATE_FAILED; mutex_exit(&cportinfo->cport_mutex); continue; } cportinfo->cport_state &= ~SATA_STATE_PROBING; cportinfo->cport_state |= SATA_STATE_PROBED; cportinfo->cport_dev_type = sata_device.satadev_type; cportinfo->cport_state |= SATA_STATE_READY; if (cportinfo->cport_dev_type == SATA_DTYPE_NONE) { mutex_exit(&cportinfo->cport_mutex); continue; } if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { /* * There is some device attached. * Allocate device info structure */ if (SATA_CPORTINFO_DRV_INFO(cportinfo) == NULL) { mutex_exit(&cportinfo->cport_mutex); SATA_CPORTINFO_DRV_INFO(cportinfo) = kmem_zalloc(sizeof (sata_drive_info_t), KM_SLEEP); mutex_enter(&cportinfo->cport_mutex); } drive = SATA_CPORTINFO_DRV_INFO(cportinfo); drive->satadrv_addr = cportinfo->cport_addr; drive->satadrv_addr.qual = SATA_ADDR_DCPORT; drive->satadrv_type = cportinfo->cport_dev_type; drive->satadrv_state = SATA_STATE_UNKNOWN; mutex_exit(&cportinfo->cport_mutex); if (sata_add_device(dip, sata_hba_inst, &sata_device) != SATA_SUCCESS) { /* * Plugged device was not correctly identified. * Retry, within a SATA_DEV_IDENTIFY_TIMEOUT */ cur_time = ddi_get_lbolt(); if ((cur_time - start_time) < drv_usectohz(SATA_DEV_IDENTIFY_TIMEOUT)) { /* sleep for a while */ delay(drv_usectohz( SATA_DEV_RETRY_DLY)); goto reprobe_cport; } } } else { /* SATA_DTYPE_PMULT */ mutex_exit(&cportinfo->cport_mutex); /* Allocate sata_pmult_info and sata_pmport_info */ if (sata_alloc_pmult(sata_hba_inst, &sata_device) != SATA_SUCCESS) continue; /* Log the information of the port multiplier */ sata_show_pmult_info(sata_hba_inst, &sata_device); /* Probe its pmports */ sata_probe_pmports(sata_hba_inst, ncport); } } } /* * Probe all device ports behind a port multiplier. * * PMult-related structure should be allocated before by sata_alloc_pmult(). * * NOTE1: Only called from sata_probe_ports() * NOTE2: No mutex should be hold. */ static void sata_probe_pmports(sata_hba_inst_t *sata_hba_inst, uint8_t ncport) { dev_info_t *dip = SATA_DIP(sata_hba_inst); sata_pmult_info_t *pmultinfo = NULL; sata_pmport_info_t *pmportinfo = NULL; sata_drive_info_t *drive = NULL; sata_device_t sata_device; clock_t start_time, cur_time; int npmport; int rval; pmultinfo = SATA_PMULT_INFO(sata_hba_inst, ncport); /* Probe Port Multiplier ports */ for (npmport = 0; npmport < pmultinfo->pmult_num_dev_ports; npmport++) { pmportinfo = pmultinfo->pmult_dev_port[npmport]; start_time = ddi_get_lbolt(); reprobe_pmport: sata_device.satadev_addr.cport = ncport; sata_device.satadev_addr.pmport = npmport; sata_device.satadev_addr.qual = SATA_ADDR_PMPORT; sata_device.satadev_rev = SATA_DEVICE_REV; /* Let HBA driver probe it. */ rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (dip, &sata_device); mutex_enter(&pmportinfo->pmport_mutex); pmportinfo->pmport_scr = sata_device.satadev_scr; if (rval != SATA_SUCCESS) { pmportinfo->pmport_state = SATA_PSTATE_FAILED; mutex_exit(&pmportinfo->pmport_mutex); continue; } pmportinfo->pmport_state &= ~SATA_STATE_PROBING; pmportinfo->pmport_state |= SATA_STATE_PROBED; pmportinfo->pmport_dev_type = sata_device.satadev_type; pmportinfo->pmport_state |= SATA_STATE_READY; if (pmportinfo->pmport_dev_type == SATA_DTYPE_NONE) { SATADBG2(SATA_DBG_PMULT, sata_hba_inst, "no device found at port %d:%d", ncport, npmport); mutex_exit(&pmportinfo->pmport_mutex); continue; } /* Port multipliers cannot be chained */ ASSERT(pmportinfo->pmport_dev_type != SATA_DTYPE_PMULT); /* * There is something attached to Port * Multiplier device port * Allocate device info structure */ if (pmportinfo->pmport_sata_drive == NULL) { mutex_exit(&pmportinfo->pmport_mutex); pmportinfo->pmport_sata_drive = kmem_zalloc(sizeof (sata_drive_info_t), KM_SLEEP); mutex_enter(&pmportinfo->pmport_mutex); } drive = pmportinfo->pmport_sata_drive; drive->satadrv_addr.cport = pmportinfo->pmport_addr.cport; drive->satadrv_addr.pmport = npmport; drive->satadrv_addr.qual = SATA_ADDR_DPMPORT; drive->satadrv_type = pmportinfo-> pmport_dev_type; drive->satadrv_state = SATA_STATE_UNKNOWN; mutex_exit(&pmportinfo->pmport_mutex); rval = sata_add_device(dip, sata_hba_inst, &sata_device); if (rval != SATA_SUCCESS) { /* * Plugged device was not correctly identified. * Retry, within the SATA_DEV_IDENTIFY_TIMEOUT */ cur_time = ddi_get_lbolt(); if ((cur_time - start_time) < drv_usectohz( SATA_DEV_IDENTIFY_TIMEOUT)) { /* sleep for a while */ delay(drv_usectohz(SATA_DEV_RETRY_DLY)); goto reprobe_pmport; } } } } /* * Add SATA device for specified HBA instance & port (SCSI target * device nodes). * This function is called (indirectly) only from sata_hba_attach(). * A target node is created when there is a supported type device attached, * but may be removed if it cannot be put online. * * This function cannot be called from an interrupt context. * * Create target nodes for disk, CD/DVD, Tape and ATAPI disk devices * * Returns SATA_SUCCESS when port/device was fully processed, SATA_FAILURE when * device identification failed - adding a device could be retried. * */ static int sata_add_device(dev_info_t *pdip, sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { sata_cport_info_t *cportinfo; sata_pmult_info_t *pminfo; sata_pmport_info_t *pmportinfo; dev_info_t *cdip; /* child dip */ sata_address_t *saddr = &sata_device->satadev_addr; uint8_t cport, pmport; int rval; cport = saddr->cport; pmport = saddr->pmport; cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); ASSERT(cportinfo->cport_dev_type != SATA_DTYPE_NONE); /* * Some device is attached to a controller port. * We rely on controllers distinquishing between no-device, * attached port multiplier and other kind of attached device. * We need to get Identify Device data and determine * positively the dev type before trying to attach * the target driver. */ sata_device->satadev_rev = SATA_DEVICE_REV; switch (saddr->qual) { case SATA_ADDR_CPORT: /* * Add a non-port-multiplier device at controller port. */ saddr->qual = SATA_ADDR_DCPORT; rval = sata_probe_device(sata_hba_inst, sata_device); if (rval != SATA_SUCCESS || sata_device->satadev_type == SATA_DTYPE_UNKNOWN) return (SATA_FAILURE); mutex_enter(&cportinfo->cport_mutex); sata_show_drive_info(sata_hba_inst, SATA_CPORTINFO_DRV_INFO(cportinfo)); if ((sata_device->satadev_type & SATA_VALID_DEV_TYPE) == 0) { /* * Could not determine device type or * a device is not supported. * Degrade this device to unknown. */ cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; mutex_exit(&cportinfo->cport_mutex); return (SATA_SUCCESS); } cportinfo->cport_dev_type = sata_device->satadev_type; cportinfo->cport_tgtnode_clean = B_TRUE; mutex_exit(&cportinfo->cport_mutex); /* * Initialize device to the desired state. Even if it * fails, the device will still attach but syslog * will show the warning. */ if (sata_initialize_device(sata_hba_inst, SATA_CPORTINFO_DRV_INFO(cportinfo)) != SATA_SUCCESS) { /* Retry */ rval = sata_initialize_device(sata_hba_inst, SATA_CPORTINFO_DRV_INFO(cportinfo)); if (rval == SATA_RETRY) sata_log(sata_hba_inst, CE_WARN, "SATA device at port %d - " "default device features could not be set." " Device may not operate as expected.", cport); } cdip = sata_create_target_node(pdip, sata_hba_inst, saddr); if (cdip == NULL) { /* * Attaching target node failed. * We retain sata_drive_info structure... */ return (SATA_SUCCESS); } mutex_enter(&cportinfo->cport_mutex); (SATA_CPORTINFO_DRV_INFO(cportinfo))-> satadrv_state = SATA_STATE_READY; mutex_exit(&cportinfo->cport_mutex); break; case SATA_ADDR_PMPORT: saddr->qual = SATA_ADDR_DPMPORT; mutex_enter(&cportinfo->cport_mutex); /* It must be a Port Multiplier at the controller port */ ASSERT(cportinfo->cport_dev_type == SATA_DTYPE_PMULT); pminfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); pmportinfo = pminfo->pmult_dev_port[saddr->pmport]; mutex_exit(&cportinfo->cport_mutex); rval = sata_probe_device(sata_hba_inst, sata_device); if (rval != SATA_SUCCESS || sata_device->satadev_type == SATA_DTYPE_UNKNOWN) { return (SATA_FAILURE); } mutex_enter(&pmportinfo->pmport_mutex); sata_show_drive_info(sata_hba_inst, SATA_PMPORTINFO_DRV_INFO(pmportinfo)); if ((sata_device->satadev_type & SATA_VALID_DEV_TYPE) == 0) { /* * Could not determine device type. * Degrade this device to unknown. */ pmportinfo->pmport_dev_type = SATA_DTYPE_UNKNOWN; mutex_exit(&pmportinfo->pmport_mutex); return (SATA_SUCCESS); } pmportinfo->pmport_dev_type = sata_device->satadev_type; pmportinfo->pmport_tgtnode_clean = B_TRUE; mutex_exit(&pmportinfo->pmport_mutex); /* * Initialize device to the desired state. * Even if it fails, the device will still * attach but syslog will show the warning. */ if (sata_initialize_device(sata_hba_inst, pmportinfo->pmport_sata_drive) != SATA_SUCCESS) { /* Retry */ rval = sata_initialize_device(sata_hba_inst, pmportinfo->pmport_sata_drive); if (rval == SATA_RETRY) sata_log(sata_hba_inst, CE_WARN, "SATA device at port %d:%d - " "default device features could not be set." " Device may not operate as expected.", cport, pmport); } cdip = sata_create_target_node(pdip, sata_hba_inst, saddr); if (cdip == NULL) { /* * Attaching target node failed. * We retain sata_drive_info structure... */ return (SATA_SUCCESS); } mutex_enter(&pmportinfo->pmport_mutex); pmportinfo->pmport_sata_drive->satadrv_state |= SATA_STATE_READY; mutex_exit(&pmportinfo->pmport_mutex); break; default: return (SATA_FAILURE); } return (SATA_SUCCESS); } /* * Clean up target node at specific address. * * NOTE: No Mutex should be hold. */ static int sata_offline_device(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device, sata_drive_info_t *sdinfo) { uint8_t cport, pmport, qual; dev_info_t *tdip; cport = sata_device->satadev_addr.cport; pmport = sata_device->satadev_addr.pmport; qual = sata_device->satadev_addr.qual; if (qual == SATA_ADDR_DCPORT) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: disconnect device at port %d", cport)); } else { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: disconnect device at port %d:%d", cport, pmport)); } /* We are addressing attached device, not a port */ sata_device->satadev_addr.qual = sdinfo->satadrv_addr.qual; tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), &sata_device->satadev_addr); if (tdip != NULL && ndi_devi_offline(tdip, NDI_DEVI_REMOVE) != NDI_SUCCESS) { /* * Problem : * The target node remained attached. * This happens when the device file was open * or a node was waiting for resources. * Cannot do anything about it. */ if (qual == SATA_ADDR_DCPORT) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: disconnect: could " "not unconfigure device before " "disconnecting the SATA port %d", cport)); } else { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: disconnect: could " "not unconfigure device before " "disconnecting the SATA port %d:%d", cport, pmport)); } /* * Set DEVICE REMOVED state in the target * node. It will prevent access to the device * even when a new device is attached, until * the old target node is released, removed and * recreated for a new device. */ sata_set_device_removed(tdip); /* * Instruct event daemon to try the target * node cleanup later. */ sata_set_target_node_cleanup( sata_hba_inst, &sata_device->satadev_addr); } return (SATA_SUCCESS); } /* * Create scsi target node for attached device, create node properties and * attach the node. * The node could be removed if the device onlining fails. * * A dev_info_t pointer is returned if operation is successful, NULL is * returned otherwise. */ static dev_info_t * sata_create_target_node(dev_info_t *dip, sata_hba_inst_t *sata_hba_inst, sata_address_t *sata_addr) { dev_info_t *cdip = NULL; int rval; char *nname = NULL; char **compatible = NULL; int ncompatible; struct scsi_inquiry inq; sata_device_t sata_device; sata_drive_info_t *sdinfo; int target; int i; sata_device.satadev_rev = SATA_DEVICE_REV; sata_device.satadev_addr = *sata_addr; mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_addr->cport))); sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); target = SATA_TO_SCSI_TARGET(sata_addr->cport, sata_addr->pmport, sata_addr->qual); if (sdinfo == NULL) { mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_addr->cport))); SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: no sdinfo for target %x", target)); return (NULL); } /* * create or get scsi inquiry data, expected by * scsi_hba_nodename_compatible_get() * SATA hard disks get Identify Data translated into Inguiry Data. * ATAPI devices respond directly to Inquiry request. */ if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { sata_identdev_to_inquiry(sata_hba_inst, sdinfo, (uint8_t *)&inq); mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_addr->cport))); } else { /* Assume supported ATAPI device */ mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_addr->cport))); if (sata_get_atapi_inquiry_data(sata_hba_inst, sata_addr, &inq) == SATA_FAILURE) return (NULL); /* * Save supported ATAPI transport version */ sdinfo->satadrv_atapi_trans_ver = SATA_ATAPI_TRANS_VERSION(&inq); } /* determine the node name and compatible */ scsi_hba_nodename_compatible_get(&inq, NULL, inq.inq_dtype, NULL, &nname, &compatible, &ncompatible); #ifdef SATA_DEBUG if (sata_debug_flags & SATA_DBG_NODES) { if (nname == NULL) { cmn_err(CE_NOTE, "sata_create_target_node: " "cannot determine nodename for target %d\n", target); } else { cmn_err(CE_WARN, "sata_create_target_node: " "target %d nodename: %s\n", target, nname); } if (compatible == NULL) { cmn_err(CE_WARN, "sata_create_target_node: no compatible name\n"); } else { for (i = 0; i < ncompatible; i++) { cmn_err(CE_WARN, "sata_create_target_node: " "compatible name: %s\n", compatible[i]); } } } #endif /* if nodename can't be determined, log error and exit */ if (nname == NULL) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: cannot determine nodename " "for target %d\n", target)); scsi_hba_nodename_compatible_free(nname, compatible); return (NULL); } /* * Create scsi target node */ ndi_devi_alloc_sleep(dip, nname, (pnode_t)DEVI_SID_NODEID, &cdip); rval = ndi_prop_update_string(DDI_DEV_T_NONE, cdip, "device-type", "scsi"); if (rval != DDI_PROP_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " "updating device_type prop failed %d", rval)); goto fail; } /* * Create target node properties: target & lun */ rval = ndi_prop_update_int(DDI_DEV_T_NONE, cdip, "target", target); if (rval != DDI_PROP_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " "updating target prop failed %d", rval)); goto fail; } rval = ndi_prop_update_int(DDI_DEV_T_NONE, cdip, "lun", 0); if (rval != DDI_PROP_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " "updating target prop failed %d", rval)); goto fail; } if (sdinfo->satadrv_type & SATA_DTYPE_ATAPI) { /* * Add "variant" property */ rval = ndi_prop_update_string(DDI_DEV_T_NONE, cdip, "variant", "atapi"); if (rval != DDI_PROP_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: variant atapi " "property could not be created: %d", rval)); goto fail; } } /* decorate the node with compatible */ if (ndi_prop_update_string_array(DDI_DEV_T_NONE, cdip, "compatible", compatible, ncompatible) != DDI_PROP_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: FAIL compatible props cdip 0x%p", (void *)cdip)); goto fail; } if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { /* * Add "sata-phy" property */ if (ndi_prop_update_int(DDI_DEV_T_NONE, cdip, "sata-phy", (int)sata_addr->cport) != DDI_PROP_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: failed to create " "\"sata-phy\" property: port %d", sata_addr->cport)); } } /* * Now, try to attach the driver. If probing of the device fails, * the target node may be removed */ rval = ndi_devi_online(cdip, NDI_ONLINE_ATTACH); scsi_hba_nodename_compatible_free(nname, compatible); if (rval == NDI_SUCCESS) return (cdip); /* target node was removed - are we sure? */ return (NULL); fail: scsi_hba_nodename_compatible_free(nname, compatible); ddi_prop_remove_all(cdip); rval = ndi_devi_free(cdip); if (rval != NDI_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_create_target_node: " "node removal failed %d", rval)); } sata_log(sata_hba_inst, CE_WARN, "sata_create_target_node: " "cannot create target node for SATA device at port %d", sata_addr->cport); return (NULL); } /* * Remove a target node. */ static void sata_remove_target_node(sata_hba_inst_t *sata_hba_inst, sata_address_t *sata_addr) { dev_info_t *tdip; uint8_t cport = sata_addr->cport; uint8_t pmport = sata_addr->pmport; uint8_t qual = sata_addr->qual; /* Note the sata daemon uses the address of the port/pmport */ ASSERT(qual == SATA_ADDR_CPORT || qual == SATA_ADDR_PMPORT); /* Remove target node */ tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), cport, pmport); if (tdip != NULL) { /* * Target node exists. Unconfigure device * then remove the target node (one ndi * operation). */ if (ndi_devi_offline(tdip, NDI_DEVI_REMOVE) != NDI_SUCCESS) { /* * PROBLEM - no device, but target node remained. This * happens when the file was open or node was waiting * for resources. */ SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_remove_target_node: " "Failed to remove target node for " "detached SATA device.")); /* * Set target node state to DEVI_DEVICE_REMOVED. But * re-check first that the node still exists. */ tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), cport, pmport); if (tdip != NULL) { sata_set_device_removed(tdip); /* * Instruct event daemon to retry the cleanup * later. */ sata_set_target_node_cleanup(sata_hba_inst, sata_addr); } } if (qual == SATA_ADDR_CPORT) sata_log(sata_hba_inst, CE_WARN, "SATA device detached at port %d", cport); else sata_log(sata_hba_inst, CE_WARN, "SATA device detached at port %d:%d", cport, pmport); } #ifdef SATA_DEBUG else { if (qual == SATA_ADDR_CPORT) sata_log(sata_hba_inst, CE_WARN, "target node not found at port %d", cport); else sata_log(sata_hba_inst, CE_WARN, "target node not found at port %d:%d", cport, pmport); } #endif } /* * Re-probe sata port, check for a device and attach info * structures when necessary. Identify Device data is fetched, if possible. * Assumption: sata address is already validated. * SATA_SUCCESS is returned if port is re-probed sucessfully, regardless of * the presence of a device and its type. * * flag arg specifies that the function should try multiple times to identify * device type and to initialize it, or it should return immediately on failure. * SATA_DEV_IDENTIFY_RETRY - retry * SATA_DEV_IDENTIFY_NORETRY - no retry * * SATA_FAILURE is returned if one of the operations failed. * * This function cannot be called in interrupt context - it may sleep. * * Note: Port multiplier is supported. */ static int sata_reprobe_port(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device, int flag) { sata_cport_info_t *cportinfo; sata_pmult_info_t *pmultinfo; sata_drive_info_t *sdinfo, *osdinfo; boolean_t init_device = B_FALSE; int prev_device_type = SATA_DTYPE_NONE; int prev_device_settings = 0; int prev_device_state = 0; clock_t start_time; int retry = B_FALSE; uint8_t cport = sata_device->satadev_addr.cport; int rval_probe, rval_init; /* * If target is pmport, sata_reprobe_pmport() will handle it. */ if (sata_device->satadev_addr.qual == SATA_ADDR_PMPORT || sata_device->satadev_addr.qual == SATA_ADDR_DPMPORT) return (sata_reprobe_pmport(sata_hba_inst, sata_device, flag)); /* We only care about host sata cport for now */ cportinfo = SATA_CPORT_INFO(sata_hba_inst, sata_device->satadev_addr.cport); /* * If a port multiplier was previously attached (we have no idea it * still there or not), sata_reprobe_pmult() will handle it. */ if (cportinfo->cport_dev_type == SATA_DTYPE_PMULT) return (sata_reprobe_pmult(sata_hba_inst, sata_device, flag)); /* Store sata_drive_info when a non-pmult device was attached. */ osdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); if (osdinfo != NULL) { /* * We are re-probing port with a previously attached device. * Save previous device type and settings. */ prev_device_type = cportinfo->cport_dev_type; prev_device_settings = osdinfo->satadrv_settings; prev_device_state = osdinfo->satadrv_state; } if (flag == SATA_DEV_IDENTIFY_RETRY) { start_time = ddi_get_lbolt(); retry = B_TRUE; } retry_probe: /* probe port */ mutex_enter(&cportinfo->cport_mutex); cportinfo->cport_state &= ~SATA_PORT_STATE_CLEAR_MASK; cportinfo->cport_state |= SATA_STATE_PROBING; mutex_exit(&cportinfo->cport_mutex); rval_probe = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_device); mutex_enter(&cportinfo->cport_mutex); if (rval_probe != SATA_SUCCESS) { cportinfo->cport_state = SATA_PSTATE_FAILED; mutex_exit(&cportinfo->cport_mutex); SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_reprobe_port: " "SATA port %d probing failed", cportinfo->cport_addr.cport)); return (SATA_FAILURE); } /* * update sata port state and set device type */ sata_update_port_info(sata_hba_inst, sata_device); cportinfo->cport_state &= ~SATA_STATE_PROBING; /* * Sanity check - Port is active? Is the link active? * Is there any device attached? */ if ((cportinfo->cport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) || (cportinfo->cport_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP) { /* * Port in non-usable state or no link active/no device. * Free info structure if necessary (direct attached drive * only, for now! */ sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; /* Add here differentiation for device attached or not */ cportinfo->cport_dev_type = SATA_DTYPE_NONE; mutex_exit(&cportinfo->cport_mutex); if (sdinfo != NULL) kmem_free(sdinfo, sizeof (sata_drive_info_t)); return (SATA_SUCCESS); } cportinfo->cport_state |= SATA_STATE_READY; cportinfo->cport_state |= SATA_STATE_PROBED; cportinfo->cport_dev_type = sata_device->satadev_type; sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); /* * If we are re-probing the port, there may be * sata_drive_info structure attached */ if (sata_device->satadev_type == SATA_DTYPE_NONE) { /* * There is no device, so remove device info structure, * if necessary. */ /* Device change: Drive -> None */ SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; cportinfo->cport_dev_type = SATA_DTYPE_NONE; if (sdinfo != NULL) { kmem_free(sdinfo, sizeof (sata_drive_info_t)); sata_log(sata_hba_inst, CE_WARN, "SATA device detached " "from port %d", cportinfo->cport_addr.cport); } mutex_exit(&cportinfo->cport_mutex); return (SATA_SUCCESS); } if (sata_device->satadev_type != SATA_DTYPE_PMULT) { /* Device (may) change: Drive -> Drive */ if (sdinfo == NULL) { /* * There is some device attached, but there is * no sata_drive_info structure - allocate one */ mutex_exit(&cportinfo->cport_mutex); sdinfo = kmem_zalloc( sizeof (sata_drive_info_t), KM_SLEEP); mutex_enter(&cportinfo->cport_mutex); /* * Recheck, that the port state did not change when we * released mutex. */ if (cportinfo->cport_state & SATA_STATE_READY) { SATA_CPORTINFO_DRV_INFO(cportinfo) = sdinfo; sdinfo->satadrv_addr = cportinfo->cport_addr; sdinfo->satadrv_addr.qual = SATA_ADDR_DCPORT; sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; sdinfo->satadrv_state = SATA_STATE_UNKNOWN; } else { /* * Port is not in ready state, we * cannot attach a device. */ mutex_exit(&cportinfo->cport_mutex); kmem_free(sdinfo, sizeof (sata_drive_info_t)); return (SATA_SUCCESS); } /* * Since we are adding device, presumably new one, * indicate that it should be initalized, * as well as some internal framework states). */ init_device = B_TRUE; } cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; sata_device->satadev_addr.qual = sdinfo->satadrv_addr.qual; } else { /* Device change: Drive -> PMult */ SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; if (sdinfo != NULL) { kmem_free(sdinfo, sizeof (sata_drive_info_t)); sata_log(sata_hba_inst, CE_WARN, "SATA device detached " "from port %d", cportinfo->cport_addr.cport); } sata_log(sata_hba_inst, CE_WARN, "SATA port multiplier detected at port %d", cportinfo->cport_addr.cport); mutex_exit(&cportinfo->cport_mutex); if (sata_alloc_pmult(sata_hba_inst, sata_device) != SATA_SUCCESS) return (SATA_FAILURE); sata_show_pmult_info(sata_hba_inst, sata_device); mutex_enter(&cportinfo->cport_mutex); /* * Mark all the port multiplier port behind the port * multiplier behind with link events, so that the sata daemon * will update their status. */ pmultinfo = SATA_PMULT_INFO(sata_hba_inst, cport); pmultinfo->pmult_event_flags |= SATA_EVNT_DEVICE_RESET; mutex_exit(&cportinfo->cport_mutex); return (SATA_SUCCESS); } mutex_exit(&cportinfo->cport_mutex); /* * Figure out what kind of device we are really * dealing with. Failure of identifying device does not fail this * function. */ rval_probe = sata_probe_device(sata_hba_inst, sata_device); rval_init = SATA_FAILURE; mutex_enter(&cportinfo->cport_mutex); if (rval_probe == SATA_SUCCESS) { /* * If we are dealing with the same type of a device as before, * restore its settings flags. */ if (osdinfo != NULL && sata_device->satadev_type == prev_device_type) sdinfo->satadrv_settings = prev_device_settings; mutex_exit(&cportinfo->cport_mutex); rval_init = SATA_SUCCESS; /* Set initial device features, if necessary */ if (init_device == B_TRUE) { rval_init = sata_initialize_device(sata_hba_inst, sdinfo); } if (rval_init == SATA_SUCCESS) return (rval_init); /* else we will retry if retry was asked for */ } else { /* * If there was some device info before we probe the device, * restore previous device setting, so we can retry from scratch * later. Providing, of course, that device has not disapear * during probing process. */ if (sata_device->satadev_type != SATA_DTYPE_NONE) { if (osdinfo != NULL) { cportinfo->cport_dev_type = prev_device_type; sdinfo->satadrv_type = prev_device_type; sdinfo->satadrv_state = prev_device_state; } } else { /* device is gone */ kmem_free(sdinfo, sizeof (sata_drive_info_t)); cportinfo->cport_dev_type = SATA_DTYPE_NONE; SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; mutex_exit(&cportinfo->cport_mutex); return (SATA_SUCCESS); } mutex_exit(&cportinfo->cport_mutex); } if (retry) { clock_t cur_time = ddi_get_lbolt(); /* * A device was not successfully identified or initialized. * Track retry time for device identification. */ if ((cur_time - start_time) < drv_usectohz(SATA_DEV_REPROBE_TIMEOUT)) { /* sleep for a while */ delay(drv_usectohz(SATA_DEV_RETRY_DLY)); goto retry_probe; } /* else no more retries */ mutex_enter(&cportinfo->cport_mutex); if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { if (rval_init == SATA_RETRY) { /* * Setting drive features have failed, but * because the drive is still accessible, * keep it and emit a warning message. */ sata_log(sata_hba_inst, CE_WARN, "SATA device at port %d - desired " "drive features could not be set. " "Device may not operate as expected.", cportinfo->cport_addr.cport); } else { SATA_CPORTINFO_DRV_INFO(cportinfo)-> satadrv_state = SATA_DSTATE_FAILED; } } mutex_exit(&cportinfo->cport_mutex); } return (SATA_SUCCESS); } /* * Reprobe a controller port that connected to a port multiplier. * * NOTE: No Mutex should be hold. */ static int sata_reprobe_pmult(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device, int flag) { _NOTE(ARGUNUSED(flag)) sata_cport_info_t *cportinfo; sata_pmult_info_t *pmultinfo; uint8_t cport = sata_device->satadev_addr.cport; int rval_probe; cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); pmultinfo = SATA_PMULT_INFO(sata_hba_inst, cport); /* probe port */ mutex_enter(&cportinfo->cport_mutex); cportinfo->cport_state &= ~SATA_PORT_STATE_CLEAR_MASK; cportinfo->cport_state |= SATA_STATE_PROBING; mutex_exit(&cportinfo->cport_mutex); rval_probe = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_device); mutex_enter(&cportinfo->cport_mutex); if (rval_probe != SATA_SUCCESS) { cportinfo->cport_state = SATA_PSTATE_FAILED; SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_reprobe_pmult: " "SATA port %d probing failed", cport)); sata_log(sata_hba_inst, CE_WARN, "SATA port multiplier detached at port %d", cport); mutex_exit(&cportinfo->cport_mutex); sata_free_pmult(sata_hba_inst, sata_device); return (SATA_FAILURE); } /* * update sata port state and set device type */ sata_update_port_info(sata_hba_inst, sata_device); cportinfo->cport_state &= ~SATA_STATE_PROBING; cportinfo->cport_state |= SATA_STATE_PROBED; /* * Sanity check - Port is active? Is the link active? * Is there any device attached? */ if ((cportinfo->cport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) || (cportinfo->cport_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP || (sata_device->satadev_type == SATA_DTYPE_NONE)) { cportinfo->cport_dev_type = SATA_DTYPE_NONE; mutex_exit(&cportinfo->cport_mutex); sata_free_pmult(sata_hba_inst, sata_device); sata_log(sata_hba_inst, CE_WARN, "SATA port multiplier detached at port %d", cport); return (SATA_SUCCESS); } /* * Device changed: PMult -> Non-PMult * * This situation is uncommon, most possibly being caused by errors * after which the port multiplier is not correct initialized and * recognized. In that case the new device will be marked as unknown * and will not be automatically probed in this routine. Instead * system administrator could manually restart it via cfgadm(1M). */ if (sata_device->satadev_type != SATA_DTYPE_PMULT) { cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; mutex_exit(&cportinfo->cport_mutex); sata_free_pmult(sata_hba_inst, sata_device); sata_log(sata_hba_inst, CE_WARN, "SATA port multiplier detached at port %d", cport); return (SATA_FAILURE); } /* * Now we know it is a port multiplier. However, if this is not the * previously attached port multiplier - they may have different * pmport numbers - we need to re-allocate data structures for every * pmport and drive. * * Port multipliers of the same model have identical values in these * registers, so it is still necessary to update the information of * all drives attached to the previous port multiplier afterwards. */ /* Device changed: PMult -> another PMult */ mutex_exit(&cportinfo->cport_mutex); sata_free_pmult(sata_hba_inst, sata_device); if (sata_alloc_pmult(sata_hba_inst, sata_device) != SATA_SUCCESS) return (SATA_FAILURE); mutex_enter(&cportinfo->cport_mutex); SATADBG1(SATA_DBG_PMULT, sata_hba_inst, "SATA port multiplier [changed] at port %d", cport); sata_log(sata_hba_inst, CE_WARN, "SATA port multiplier detected at port %d", cport); /* * Mark all the port multiplier port behind the port * multiplier behind with link events, so that the sata daemon * will update their status. */ pmultinfo->pmult_event_flags |= SATA_EVNT_DEVICE_RESET; mutex_exit(&cportinfo->cport_mutex); return (SATA_SUCCESS); } /* * Re-probe a port multiplier port, check for a device and attach info * structures when necessary. Identify Device data is fetched, if possible. * Assumption: sata address is already validated as port multiplier port. * SATA_SUCCESS is returned if port is re-probed sucessfully, regardless of * the presence of a device and its type. * * flag arg specifies that the function should try multiple times to identify * device type and to initialize it, or it should return immediately on failure. * SATA_DEV_IDENTIFY_RETRY - retry * SATA_DEV_IDENTIFY_NORETRY - no retry * * SATA_FAILURE is returned if one of the operations failed. * * This function cannot be called in interrupt context - it may sleep. * * NOTE: Should be only called by sata_probe_port() in case target port is a * port multiplier port. * NOTE: No Mutex should be hold. */ static int sata_reprobe_pmport(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device, int flag) { sata_cport_info_t *cportinfo = NULL; sata_pmport_info_t *pmportinfo = NULL; sata_drive_info_t *sdinfo, *osdinfo; sata_device_t sdevice; boolean_t init_device = B_FALSE; int prev_device_type = SATA_DTYPE_NONE; int prev_device_settings = 0; int prev_device_state = 0; clock_t start_time; uint8_t cport = sata_device->satadev_addr.cport; uint8_t pmport = sata_device->satadev_addr.pmport; int rval; cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); osdinfo = SATA_PMPORTINFO_DRV_INFO(pmportinfo); if (osdinfo != NULL) { /* * We are re-probing port with a previously attached device. * Save previous device type and settings. */ prev_device_type = pmportinfo->pmport_dev_type; prev_device_settings = osdinfo->satadrv_settings; prev_device_state = osdinfo->satadrv_state; } start_time = ddi_get_lbolt(); /* check parent status */ mutex_enter(&cportinfo->cport_mutex); if ((cportinfo->cport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) || (cportinfo->cport_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP) { mutex_exit(&cportinfo->cport_mutex); return (SATA_FAILURE); } mutex_exit(&cportinfo->cport_mutex); retry_probe_pmport: /* probe port */ mutex_enter(&pmportinfo->pmport_mutex); pmportinfo->pmport_state &= ~SATA_PORT_STATE_CLEAR_MASK; pmportinfo->pmport_state |= SATA_STATE_PROBING; mutex_exit(&pmportinfo->pmport_mutex); rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_device); /* might need retry because we cannot touch registers. */ if (rval == SATA_FAILURE) { mutex_enter(&pmportinfo->pmport_mutex); pmportinfo->pmport_state = SATA_PSTATE_FAILED; mutex_exit(&pmportinfo->pmport_mutex); SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_reprobe_pmport: " "SATA port %d:%d probing failed", cport, pmport)); return (SATA_FAILURE); } else if (rval == SATA_RETRY) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_reprobe_pmport: " "SATA port %d:%d probing failed, retrying...", cport, pmport)); clock_t cur_time = ddi_get_lbolt(); /* * A device was not successfully identified or initialized. * Track retry time for device identification. */ if ((cur_time - start_time) < drv_usectohz(SATA_DEV_REPROBE_TIMEOUT)) { /* sleep for a while */ delay(drv_usectohz(SATA_DEV_RETRY_DLY)); goto retry_probe_pmport; } else { mutex_enter(&pmportinfo->pmport_mutex); if (SATA_PMPORTINFO_DRV_INFO(pmportinfo) != NULL) SATA_PMPORTINFO_DRV_INFO(pmportinfo)-> satadrv_state = SATA_DSTATE_FAILED; mutex_exit(&pmportinfo->pmport_mutex); return (SATA_SUCCESS); } } /* * Sanity check - Controller port is active? Is the link active? * Is it still a port multiplier? */ if ((cportinfo->cport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) || (cportinfo->cport_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP || (cportinfo->cport_dev_type != SATA_DTYPE_PMULT)) { /* * Port in non-usable state or no link active/no * device. Free info structure. */ cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; sdevice.satadev_addr.cport = cport; sdevice.satadev_addr.pmport = pmport; sdevice.satadev_addr.qual = SATA_ADDR_PMULT; mutex_exit(&cportinfo->cport_mutex); sata_free_pmult(sata_hba_inst, &sdevice); return (SATA_FAILURE); } /* SATA_SUCCESS NOW */ /* * update sata port state and set device type */ mutex_enter(&pmportinfo->pmport_mutex); sata_update_pmport_info(sata_hba_inst, sata_device); pmportinfo->pmport_state &= ~SATA_STATE_PROBING; /* * Sanity check - Port is active? Is the link active? * Is there any device attached? */ if ((pmportinfo->pmport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) || (pmportinfo->pmport_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP) { /* * Port in non-usable state or no link active/no device. * Free info structure if necessary (direct attached drive * only, for now! */ sdinfo = SATA_PMPORTINFO_DRV_INFO(pmportinfo); SATA_PMPORTINFO_DRV_INFO(pmportinfo) = NULL; /* Add here differentiation for device attached or not */ pmportinfo->pmport_dev_type = SATA_DTYPE_NONE; mutex_exit(&pmportinfo->pmport_mutex); if (sdinfo != NULL) kmem_free(sdinfo, sizeof (sata_drive_info_t)); return (SATA_SUCCESS); } pmportinfo->pmport_state |= SATA_STATE_READY; pmportinfo->pmport_dev_type = sata_device->satadev_type; sdinfo = SATA_PMPORTINFO_DRV_INFO(pmportinfo); /* * If we are re-probing the port, there may be * sata_drive_info structure attached * (or sata_pm_info, if PMult is supported). */ if (sata_device->satadev_type == SATA_DTYPE_NONE) { /* * There is no device, so remove device info structure, * if necessary. */ SATA_PMPORTINFO_DRV_INFO(pmportinfo) = NULL; pmportinfo->pmport_dev_type = SATA_DTYPE_NONE; if (sdinfo != NULL) { kmem_free(sdinfo, sizeof (sata_drive_info_t)); sata_log(sata_hba_inst, CE_WARN, "SATA device detached from port %d:%d", cport, pmport); } mutex_exit(&pmportinfo->pmport_mutex); return (SATA_SUCCESS); } /* this should not be a pmult */ ASSERT(sata_device->satadev_type != SATA_DTYPE_PMULT); if (sdinfo == NULL) { /* * There is some device attached, but there is * no sata_drive_info structure - allocate one */ mutex_exit(&pmportinfo->pmport_mutex); sdinfo = kmem_zalloc(sizeof (sata_drive_info_t), KM_SLEEP); mutex_enter(&pmportinfo->pmport_mutex); /* * Recheck, that the port state did not change when we * released mutex. */ if (pmportinfo->pmport_state & SATA_STATE_READY) { SATA_PMPORTINFO_DRV_INFO(pmportinfo) = sdinfo; sdinfo->satadrv_addr = pmportinfo->pmport_addr; sdinfo->satadrv_addr.qual = SATA_ADDR_DPMPORT; sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; sdinfo->satadrv_state = SATA_STATE_UNKNOWN; } else { /* * Port is not in ready state, we * cannot attach a device. */ mutex_exit(&pmportinfo->pmport_mutex); kmem_free(sdinfo, sizeof (sata_drive_info_t)); return (SATA_SUCCESS); } /* * Since we are adding device, presumably new one, * indicate that it should be initalized, * as well as some internal framework states). */ init_device = B_TRUE; } pmportinfo->pmport_dev_type = SATA_DTYPE_UNKNOWN; sata_device->satadev_addr.qual = sdinfo->satadrv_addr.qual; mutex_exit(&pmportinfo->pmport_mutex); /* * Figure out what kind of device we are really * dealing with. */ rval = sata_probe_device(sata_hba_inst, sata_device); mutex_enter(&pmportinfo->pmport_mutex); if (rval == SATA_SUCCESS) { /* * If we are dealing with the same type of a device as before, * restore its settings flags. */ if (osdinfo != NULL && sata_device->satadev_type == prev_device_type) sdinfo->satadrv_settings = prev_device_settings; mutex_exit(&pmportinfo->pmport_mutex); /* Set initial device features, if necessary */ if (init_device == B_TRUE) { rval = sata_initialize_device(sata_hba_inst, sdinfo); } if (rval == SATA_SUCCESS) return (rval); } else { /* * If there was some device info before we probe the device, * restore previous device setting, so we can retry from scratch * later. Providing, of course, that device has not disappeared * during probing process. */ if (sata_device->satadev_type != SATA_DTYPE_NONE) { if (osdinfo != NULL) { pmportinfo->pmport_dev_type = prev_device_type; sdinfo->satadrv_type = prev_device_type; sdinfo->satadrv_state = prev_device_state; } } else { /* device is gone */ kmem_free(sdinfo, sizeof (sata_drive_info_t)); pmportinfo->pmport_dev_type = SATA_DTYPE_NONE; SATA_PMPORTINFO_DRV_INFO(pmportinfo) = NULL; mutex_exit(&pmportinfo->pmport_mutex); return (SATA_SUCCESS); } mutex_exit(&pmportinfo->pmport_mutex); } if (flag == SATA_DEV_IDENTIFY_RETRY) { clock_t cur_time = ddi_get_lbolt(); /* * A device was not successfully identified or initialized. * Track retry time for device identification. */ if ((cur_time - start_time) < drv_usectohz(SATA_DEV_REPROBE_TIMEOUT)) { /* sleep for a while */ delay(drv_usectohz(SATA_DEV_RETRY_DLY)); goto retry_probe_pmport; } else { mutex_enter(&pmportinfo->pmport_mutex); if (SATA_PMPORTINFO_DRV_INFO(pmportinfo) != NULL) SATA_PMPORTINFO_DRV_INFO(pmportinfo)-> satadrv_state = SATA_DSTATE_FAILED; mutex_exit(&pmportinfo->pmport_mutex); } } return (SATA_SUCCESS); } /* * Allocated related structure for a port multiplier and its device ports * * Port multiplier should be ready and probed, and related information like * the number of the device ports should be store in sata_device_t. * * NOTE: No Mutex should be hold. */ static int sata_alloc_pmult(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { dev_info_t *dip = SATA_DIP(sata_hba_inst); sata_cport_info_t *cportinfo = NULL; sata_pmult_info_t *pmultinfo = NULL; sata_pmport_info_t *pmportinfo = NULL; sata_device_t sd; dev_t minor_number; char name[16]; uint8_t cport = sata_device->satadev_addr.cport; int rval; int npmport; cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); /* This function might be called while a port-mult is hot-plugged. */ mutex_enter(&cportinfo->cport_mutex); /* dev_type's not updated when get called from sata_reprobe_port() */ if (SATA_CPORTINFO_PMULT_INFO(cportinfo) == NULL) { /* Create a pmult_info structure */ SATA_CPORTINFO_PMULT_INFO(cportinfo) = kmem_zalloc(sizeof (sata_pmult_info_t), KM_SLEEP); } pmultinfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); pmultinfo->pmult_addr = sata_device->satadev_addr; pmultinfo->pmult_addr.qual = SATA_ADDR_PMULT; pmultinfo->pmult_state = SATA_STATE_PROBING; /* * Probe the port multiplier with qualifier SATA_ADDR_PMULT_SPEC, * The HBA driver should initialize and register the port multiplier, * sata_register_pmult() will fill following fields, * + sata_pmult_info.pmult_gscr * + sata_pmult_info.pmult_num_dev_ports */ sd.satadev_addr = sata_device->satadev_addr; sd.satadev_addr.qual = SATA_ADDR_PMULT_SPEC; mutex_exit(&cportinfo->cport_mutex); rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sd); mutex_enter(&cportinfo->cport_mutex); if (rval != SATA_SUCCESS || (sd.satadev_type != SATA_DTYPE_PMULT) || !(sd.satadev_state & SATA_DSTATE_PMULT_INIT)) { SATA_CPORTINFO_PMULT_INFO(cportinfo) = NULL; kmem_free(pmultinfo, sizeof (sata_pmult_info_t)); cportinfo->cport_state = SATA_PSTATE_FAILED; cportinfo->cport_dev_type = SATA_DTYPE_UNKNOWN; mutex_exit(&cportinfo->cport_mutex); SATADBG1(SATA_DBG_PMULT, sata_hba_inst, "sata_alloc_pmult: failed to initialize pmult " "at port %d.", cport) return (SATA_FAILURE); } /* Initialize pmport_info structure */ for (npmport = 0; npmport < pmultinfo->pmult_num_dev_ports; npmport++) { /* if everything is allocated, skip */ if (SATA_PMPORT_INFO(sata_hba_inst, cport, npmport) != NULL) continue; pmportinfo = kmem_zalloc(sizeof (sata_pmport_info_t), KM_SLEEP); mutex_init(&pmportinfo->pmport_mutex, NULL, MUTEX_DRIVER, NULL); mutex_exit(&cportinfo->cport_mutex); mutex_enter(&pmportinfo->pmport_mutex); pmportinfo->pmport_addr.cport = cport; pmportinfo->pmport_addr.pmport = (uint8_t)npmport; pmportinfo->pmport_addr.qual = SATA_ADDR_PMPORT; pmportinfo->pmport_state &= ~SATA_PORT_STATE_CLEAR_MASK; mutex_exit(&pmportinfo->pmport_mutex); mutex_enter(&cportinfo->cport_mutex); SATA_PMPORT_INFO(sata_hba_inst, cport, npmport) = pmportinfo; /* Create an attachment point */ minor_number = SATA_MAKE_AP_MINOR(ddi_get_instance(dip), cport, (uint8_t)npmport, SATA_ADDR_PMPORT); (void) sprintf(name, "%d.%d", cport, npmport); if (ddi_create_minor_node(dip, name, S_IFCHR, minor_number, DDI_NT_SATA_ATTACHMENT_POINT, 0) != DDI_SUCCESS) { sata_log(sata_hba_inst, CE_WARN, "sata_hba_attach: " "cannot create SATA attachment point for " "port %d:%d", cport, npmport); } } pmultinfo->pmult_state &= ~SATA_STATE_PROBING; pmultinfo->pmult_state |= (SATA_STATE_PROBED|SATA_STATE_READY); cportinfo->cport_dev_type = SATA_DTYPE_PMULT; mutex_exit(&cportinfo->cport_mutex); return (SATA_SUCCESS); } /* * Free data structures when a port multiplier is removed. * * NOTE: No Mutex should be hold. */ static void sata_free_pmult(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { sata_cport_info_t *cportinfo; sata_pmult_info_t *pmultinfo; sata_pmport_info_t *pmportinfo; sata_device_t pmport_device; sata_drive_info_t *sdinfo; dev_info_t *tdip; char name[16]; uint8_t cport = sata_device->satadev_addr.cport; int npmport; cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); /* This function might be called while port-mult is hot plugged. */ mutex_enter(&cportinfo->cport_mutex); cportinfo->cport_dev_type = SATA_DTYPE_NONE; pmultinfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); ASSERT(pmultinfo != NULL); /* Free pmport_info structure */ for (npmport = 0; npmport < pmultinfo->pmult_num_dev_ports; npmport++) { pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, npmport); if (pmportinfo == NULL) continue; mutex_exit(&cportinfo->cport_mutex); mutex_enter(&pmportinfo->pmport_mutex); sdinfo = pmportinfo->pmport_sata_drive; SATA_PMPORTINFO_DRV_INFO(pmportinfo) = NULL; mutex_exit(&pmportinfo->pmport_mutex); /* Remove attachment point. */ name[0] = '\0'; (void) sprintf(name, "%d.%d", cport, npmport); ddi_remove_minor_node(SATA_DIP(sata_hba_inst), name); sata_log(sata_hba_inst, CE_NOTE, "Remove attachment point of port %d:%d", cport, npmport); /* * Rumove target node */ bzero(&pmport_device, sizeof (sata_device_t)); pmport_device.satadev_rev = SATA_DEVICE_REV; pmport_device.satadev_addr.cport = cport; pmport_device.satadev_addr.pmport = (uint8_t)npmport; pmport_device.satadev_addr.qual = SATA_ADDR_DPMPORT; tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), &(pmport_device.satadev_addr)); if (tdip != NULL && ndi_devi_offline(tdip, NDI_DEVI_REMOVE) != NDI_SUCCESS) { /* * Problem : * The target node remained attached. * This happens when the device file was open * or a node was waiting for resources. * Cannot do anything about it. */ SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_free_pmult: could not unconfigure device " "before disconnecting the SATA port %d:%d", cport, npmport)); /* * Set DEVICE REMOVED state in the target * node. It will prevent access to the device * even when a new device is attached, until * the old target node is released, removed and * recreated for a new device. */ sata_set_device_removed(tdip); /* * Instruct event daemon to try the target * node cleanup later. */ sata_set_target_node_cleanup( sata_hba_inst, &(pmport_device.satadev_addr)); } mutex_enter(&cportinfo->cport_mutex); /* * Add here differentiation for device attached or not */ if (sdinfo != NULL) { sata_log(sata_hba_inst, CE_WARN, "SATA device detached from port %d:%d", cport, npmport); kmem_free(sdinfo, sizeof (sata_drive_info_t)); } mutex_destroy(&pmportinfo->pmport_mutex); kmem_free(pmportinfo, sizeof (sata_pmport_info_t)); } kmem_free(pmultinfo, sizeof (sata_pmult_info_t)); cportinfo->cport_devp.cport_sata_pmult = NULL; sata_log(sata_hba_inst, CE_WARN, "SATA port multiplier detached at port %d", cport); mutex_exit(&cportinfo->cport_mutex); } /* * Initialize device * Specified device is initialized to a default state. * * Returns SATA_SUCCESS if all device features are set successfully, * SATA_RETRY if device is accessible but device features were not set * successfully, and SATA_FAILURE otherwise. */ static int sata_initialize_device(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo) { int rval; sata_save_drive_settings(sdinfo); sdinfo->satadrv_settings |= SATA_DEV_READ_AHEAD; sata_init_write_cache_mode(sdinfo); rval = sata_set_drive_features(sata_hba_inst, sdinfo, 0); /* Determine current data transfer mode */ if ((sdinfo->satadrv_id.ai_cap & SATA_DMA_SUPPORT) == 0) { sdinfo->satadrv_settings &= ~SATA_DEV_DMA; } else if ((sdinfo->satadrv_id.ai_validinfo & SATA_VALIDINFO_88) != 0 && (sdinfo->satadrv_id.ai_ultradma & SATA_UDMA_SEL_MASK) != 0) { sdinfo->satadrv_settings |= SATA_DEV_DMA; } else if ((sdinfo->satadrv_id.ai_dworddma & SATA_MDMA_SEL_MASK) != 0) { sdinfo->satadrv_settings |= SATA_DEV_DMA; } else /* DMA supported, not no DMA transfer mode is selected !? */ sdinfo->satadrv_settings &= ~SATA_DEV_DMA; if ((sdinfo->satadrv_id.ai_cmdset83 & 0x20) && (sdinfo->satadrv_id.ai_features86 & 0x20)) sdinfo->satadrv_power_level = SATA_POWER_STANDBY; else sdinfo->satadrv_power_level = SATA_POWER_ACTIVE; return (rval); } /* * Initialize write cache mode. * * The default write cache setting for SATA HDD is provided by sata_write_cache * static variable. ATAPI CD/DVDs devices have write cache default is * determined by sata_atapicdvd_write_cache static variable. * ATAPI tape devices have write cache default is determined by * sata_atapitape_write_cache static variable. * ATAPI disk devices have write cache default is determined by * sata_atapidisk_write_cache static variable. * 1 - enable * 0 - disable * any other value - current drive setting * * Although there is not reason to disable write cache on CD/DVD devices, * tape devices and ATAPI disk devices, the default setting control is provided * for the maximun flexibility. * * In the future, it may be overridden by the * disk-write-cache-enable property setting, if it is defined. * Returns SATA_SUCCESS if all device features are set successfully, * SATA_FAILURE otherwise. */ static void sata_init_write_cache_mode(sata_drive_info_t *sdinfo) { switch (sdinfo->satadrv_type) { case SATA_DTYPE_ATADISK: if (sata_write_cache == 1) sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; else if (sata_write_cache == 0) sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; /* * When sata_write_cache value is not 0 or 1, * a current setting of the drive's write cache is used. */ break; case SATA_DTYPE_ATAPICD: if (sata_atapicdvd_write_cache == 1) sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; else if (sata_atapicdvd_write_cache == 0) sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; /* * When sata_atapicdvd_write_cache value is not 0 or 1, * a current setting of the drive's write cache is used. */ break; case SATA_DTYPE_ATAPITAPE: if (sata_atapitape_write_cache == 1) sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; else if (sata_atapitape_write_cache == 0) sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; /* * When sata_atapitape_write_cache value is not 0 or 1, * a current setting of the drive's write cache is used. */ break; case SATA_DTYPE_ATAPIDISK: if (sata_atapidisk_write_cache == 1) sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; else if (sata_atapidisk_write_cache == 0) sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; /* * When sata_atapidisk_write_cache value is not 0 or 1, * a current setting of the drive's write cache is used. */ break; } } /* * Validate sata address. * Specified cport, pmport and qualifier has to match * passed sata_scsi configuration info. * The presence of an attached device is not verified. * * Returns 0 when address is valid, -1 otherwise. */ static int sata_validate_sata_address(sata_hba_inst_t *sata_hba_inst, int cport, int pmport, int qual) { if (qual == SATA_ADDR_DCPORT && pmport != 0) goto invalid_address; if (cport >= SATA_NUM_CPORTS(sata_hba_inst)) goto invalid_address; if ((qual == SATA_ADDR_DPMPORT || qual == SATA_ADDR_PMPORT) && ((SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) != SATA_DTYPE_PMULT) || (SATA_PMULT_INFO(sata_hba_inst, cport) == NULL) || (pmport >= SATA_NUM_PMPORTS(sata_hba_inst, cport)))) goto invalid_address; return (0); invalid_address: return (-1); } /* * Validate scsi address * SCSI target address is translated into SATA cport/pmport and compared * with a controller port/device configuration. LUN has to be 0. * Returns 0 if a scsi target refers to an attached device, * returns 1 if address is valid but no valid device is attached, * returns 2 if address is valid but device type is unknown (not valid device), * returns -1 if bad address or device is of an unsupported type. * Upon return sata_device argument is set. * * Port multiplier is supported now. */ static int sata_validate_scsi_address(sata_hba_inst_t *sata_hba_inst, struct scsi_address *ap, sata_device_t *sata_device) { int cport, pmport, qual, rval; rval = -1; /* Invalid address */ if (ap->a_lun != 0) goto out; qual = SCSI_TO_SATA_ADDR_QUAL(ap->a_target); cport = SCSI_TO_SATA_CPORT(ap->a_target); pmport = SCSI_TO_SATA_PMPORT(ap->a_target); if (qual != SATA_ADDR_DCPORT && qual != SATA_ADDR_DPMPORT) goto out; if (sata_validate_sata_address(sata_hba_inst, cport, pmport, qual) == 0) { sata_cport_info_t *cportinfo; sata_pmult_info_t *pmultinfo; sata_drive_info_t *sdinfo = NULL; sata_device->satadev_addr.qual = qual; sata_device->satadev_addr.cport = cport; sata_device->satadev_addr.pmport = pmport; sata_device->satadev_rev = SATA_DEVICE_REV_1; rval = 1; /* Valid sata address */ cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); if (qual == SATA_ADDR_DCPORT) { if (cportinfo == NULL || cportinfo->cport_dev_type == SATA_DTYPE_NONE) goto out; sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); if (cportinfo->cport_dev_type == SATA_DTYPE_UNKNOWN && sdinfo != NULL) { rval = 2; goto out; } if ((cportinfo->cport_dev_type & SATA_VALID_DEV_TYPE) == 0) { rval = -1; goto out; } } else if (qual == SATA_ADDR_DPMPORT) { pmultinfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); if (pmultinfo == NULL) { rval = -1; goto out; } if (SATA_PMPORT_INFO(sata_hba_inst, cport, pmport) == NULL || SATA_PMPORT_DEV_TYPE(sata_hba_inst, cport, pmport) == SATA_DTYPE_NONE) goto out; sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, cport, pmport); if (SATA_PMPORT_DEV_TYPE(sata_hba_inst, cport, pmport) == SATA_DTYPE_UNKNOWN && sdinfo != NULL) { rval = 2; goto out; } if ((SATA_PMPORT_DEV_TYPE(sata_hba_inst, cport, pmport) & SATA_VALID_DEV_TYPE) == 0) { rval = -1; goto out; } } else { rval = -1; goto out; } if ((sdinfo == NULL) || (sdinfo->satadrv_type & SATA_VALID_DEV_TYPE) == 0) goto out; sata_device->satadev_type = sdinfo->satadrv_type; return (0); } out: if (rval > 0) { SATADBG2(SATA_DBG_SCSI_IF, sata_hba_inst, "sata_validate_scsi_address: no valid target %x lun %x", ap->a_target, ap->a_lun); } return (rval); } /* * Find dip corresponding to passed device number * * Returns NULL if invalid device number is passed or device cannot be found, * Returns dip is device is found. */ static dev_info_t * sata_devt_to_devinfo(dev_t dev) { dev_info_t *dip; #ifndef __lock_lint struct devnames *dnp; major_t major = getmajor(dev); int instance = SATA_MINOR2INSTANCE(getminor(dev)); if (major >= devcnt) return (NULL); dnp = &devnamesp[major]; LOCK_DEV_OPS(&(dnp->dn_lock)); dip = dnp->dn_head; while (dip && (ddi_get_instance(dip) != instance)) { dip = ddi_get_next(dip); } UNLOCK_DEV_OPS(&(dnp->dn_lock)); #endif return (dip); } /* * Probe device. * This function issues Identify Device command and initializes local * sata_drive_info structure if the device can be identified. * The device type is determined by examining Identify Device * command response. * If the sata_hba_inst has linked drive info structure for this * device address, the Identify Device data is stored into sata_drive_info * structure linked to the port info structure. * * sata_device has to refer to the valid sata port(s) for HBA described * by sata_hba_inst structure. * * Returns: * SATA_SUCCESS if device type was successfully probed and port-linked * drive info structure was updated; * SATA_FAILURE if there is no device, or device was not probed * successully; * SATA_RETRY if device probe can be retried later. * If a device cannot be identified, sata_device's dev_state and dev_type * fields are set to unknown. * There are no retries in this function. Any retries should be managed by * the caller. */ static int sata_probe_device(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { sata_pmport_info_t *pmportinfo; sata_drive_info_t *sdinfo; sata_drive_info_t new_sdinfo; /* local drive info struct */ int rval; ASSERT((SATA_CPORT_STATE(sata_hba_inst, sata_device->satadev_addr.cport) & (SATA_STATE_PROBED | SATA_STATE_READY)) != 0); sata_device->satadev_type = SATA_DTYPE_NONE; mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device->satadev_addr.cport))); if (sata_device->satadev_addr.qual == SATA_ADDR_DPMPORT) { pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, sata_device->satadev_addr.cport, sata_device->satadev_addr.pmport); ASSERT(pmportinfo != NULL); } /* Get pointer to port-linked sata device info structure */ sdinfo = sata_get_device_info(sata_hba_inst, sata_device); if (sdinfo != NULL) { sdinfo->satadrv_state &= ~(SATA_STATE_PROBED | SATA_STATE_READY); sdinfo->satadrv_state |= SATA_STATE_PROBING; } else { /* No device to probe */ mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device->satadev_addr.cport))); sata_device->satadev_type = SATA_DTYPE_NONE; sata_device->satadev_state = SATA_STATE_UNKNOWN; return (SATA_FAILURE); } /* * Need to issue both types of identify device command and * determine device type by examining retreived data/status. * First, ATA Identify Device. */ bzero(&new_sdinfo, sizeof (sata_drive_info_t)); new_sdinfo.satadrv_addr = sata_device->satadev_addr; mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device->satadev_addr.cport))); new_sdinfo.satadrv_type = SATA_DTYPE_ATADISK; rval = sata_identify_device(sata_hba_inst, &new_sdinfo); if (rval == SATA_RETRY) { /* We may try to check for ATAPI device */ if (SATA_FEATURES(sata_hba_inst) & SATA_CTLF_ATAPI) { /* * HBA supports ATAPI - try to issue Identify Packet * Device command. */ new_sdinfo.satadrv_type = SATA_DTYPE_ATAPI; rval = sata_identify_device(sata_hba_inst, &new_sdinfo); } } if (rval == SATA_SUCCESS) { /* * Got something responding positively to ATA Identify Device * or to Identify Packet Device cmd. * Save last used device type. */ sata_device->satadev_type = new_sdinfo.satadrv_type; /* save device info, if possible */ mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device->satadev_addr.cport))); sdinfo = sata_get_device_info(sata_hba_inst, sata_device); if (sdinfo == NULL) { mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device->satadev_addr.cport))); return (SATA_FAILURE); } /* * Copy drive info into the port-linked drive info structure. */ *sdinfo = new_sdinfo; sdinfo->satadrv_state &= ~SATA_STATE_PROBING; sdinfo->satadrv_state |= SATA_STATE_PROBED; if (sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) SATA_CPORT_DEV_TYPE(sata_hba_inst, sata_device->satadev_addr.cport) = sdinfo->satadrv_type; else { /* SATA_ADDR_DPMPORT */ mutex_enter(&pmportinfo->pmport_mutex); SATA_PMPORT_DEV_TYPE(sata_hba_inst, sata_device->satadev_addr.cport, sata_device->satadev_addr.pmport) = sdinfo->satadrv_type; mutex_exit(&pmportinfo->pmport_mutex); } mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device->satadev_addr.cport))); return (SATA_SUCCESS); } /* * It may be SATA_RETRY or SATA_FAILURE return. * Looks like we cannot determine the device type at this time. */ mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device->satadev_addr.cport))); sdinfo = sata_get_device_info(sata_hba_inst, sata_device); if (sdinfo != NULL) { sata_device->satadev_type = SATA_DTYPE_UNKNOWN; sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; sdinfo->satadrv_state &= ~SATA_STATE_PROBING; sdinfo->satadrv_state |= SATA_STATE_PROBED; if (sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) SATA_CPORT_DEV_TYPE(sata_hba_inst, sata_device->satadev_addr.cport) = SATA_DTYPE_UNKNOWN; else { /* SATA_ADDR_DPMPORT */ mutex_enter(&pmportinfo->pmport_mutex); if ((SATA_PMULT_INFO(sata_hba_inst, sata_device->satadev_addr.cport) != NULL) && (SATA_PMPORT_INFO(sata_hba_inst, sata_device->satadev_addr.cport, sata_device->satadev_addr.pmport) != NULL)) SATA_PMPORT_DEV_TYPE(sata_hba_inst, sata_device->satadev_addr.cport, sata_device->satadev_addr.pmport) = SATA_DTYPE_UNKNOWN; mutex_exit(&pmportinfo->pmport_mutex); } } mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sata_device->satadev_addr.cport))); return (rval); } /* * Get pointer to sata_drive_info structure. * * The sata_device has to contain address (cport, pmport and qualifier) for * specified sata_scsi structure. * * Returns NULL if device address is not valid for this HBA configuration. * Otherwise, returns a pointer to sata_drive_info structure. * * This function should be called with a port mutex held. */ static sata_drive_info_t * sata_get_device_info(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { uint8_t cport = sata_device->satadev_addr.cport; uint8_t pmport = sata_device->satadev_addr.pmport; uint8_t qual = sata_device->satadev_addr.qual; if (cport >= SATA_NUM_CPORTS(sata_hba_inst)) return (NULL); if (!(SATA_CPORT_STATE(sata_hba_inst, cport) & (SATA_STATE_PROBED | SATA_STATE_READY))) /* Port not probed yet */ return (NULL); if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) == SATA_DTYPE_NONE) return (NULL); if (qual == SATA_ADDR_DCPORT) { /* Request for a device on a controller port */ if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) == SATA_DTYPE_PMULT) /* Port multiplier attached */ return (NULL); return (SATA_CPORT_DRV_INFO(sata_hba_inst, cport)); } if (qual == SATA_ADDR_DPMPORT) { if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) != SATA_DTYPE_PMULT) return (NULL); if (pmport > SATA_NUM_PMPORTS(sata_hba_inst, cport)) return (NULL); if (!(SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) & (SATA_STATE_PROBED | SATA_STATE_READY))) /* Port multiplier port not probed yet */ return (NULL); return (SATA_PMPORT_DRV_INFO(sata_hba_inst, cport, pmport)); } /* we should not get here */ return (NULL); } /* * sata_identify_device. * Send Identify Device command to SATA HBA driver. * If command executes successfully, update sata_drive_info structure pointed * to by sdinfo argument, including Identify Device data. * If command fails, invalidate data in sata_drive_info. * * Cannot be called from interrupt level. * * Returns: * SATA_SUCCESS if the device was identified as a supported device, * SATA_RETRY if the device was not identified but could be retried, * SATA_FAILURE if the device was not identified and identify attempt * should not be retried. */ static int sata_identify_device(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo) { uint16_t cfg_word; int rval; /* fetch device identify data */ if ((rval = sata_fetch_device_identify_data(sata_hba_inst, sdinfo)) != SATA_SUCCESS) goto fail_unknown; cfg_word = sdinfo->satadrv_id.ai_config; /* Set the correct device type */ if ((cfg_word & SATA_ATA_TYPE_MASK) == SATA_ATA_TYPE) { sdinfo->satadrv_type = SATA_DTYPE_ATADISK; } else if (cfg_word == SATA_CFA_TYPE) { /* It's a Compact Flash media via CF-to-SATA HDD adapter */ sdinfo->satadrv_type = SATA_DTYPE_ATADISK; } else if ((cfg_word & SATA_ATAPI_TYPE_MASK) == SATA_ATAPI_TYPE) { switch (cfg_word & SATA_ATAPI_ID_DEV_TYPE) { case SATA_ATAPI_CDROM_DEV: sdinfo->satadrv_type = SATA_DTYPE_ATAPICD; break; case SATA_ATAPI_SQACC_DEV: sdinfo->satadrv_type = SATA_DTYPE_ATAPITAPE; break; case SATA_ATAPI_DIRACC_DEV: sdinfo->satadrv_type = SATA_DTYPE_ATAPIDISK; break; case SATA_ATAPI_PROC_DEV: sdinfo->satadrv_type = SATA_DTYPE_ATAPIPROC; break; default: sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; } } else { sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; } if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { if (sdinfo->satadrv_capacity == 0) { /* Non-LBA disk. Too bad... */ sata_log(sata_hba_inst, CE_WARN, "SATA disk device at port %d does not support LBA", sdinfo->satadrv_addr.cport); rval = SATA_FAILURE; goto fail_unknown; } } #if 0 /* Left for historical reason */ /* * Some initial version of SATA spec indicated that at least * UDMA mode 4 has to be supported. It is not metioned in * SerialATA 2.6, so this restriction is removed. */ /* Check for Ultra DMA modes 6 through 0 being supported */ for (i = 6; i >= 0; --i) { if (sdinfo->satadrv_id.ai_ultradma & (1 << i)) break; } /* * At least UDMA 4 mode has to be supported. If mode 4 or * higher are not supported by the device, fail this * device. */ if (i < 4) { /* No required Ultra DMA mode supported */ sata_log(sata_hba_inst, CE_WARN, "SATA disk device at port %d does not support UDMA " "mode 4 or higher", sdinfo->satadrv_addr.cport); SATA_LOG_D((sata_hba_inst, CE_WARN, "mode 4 or higher required, %d supported", i)); rval = SATA_FAILURE; goto fail_unknown; } #endif /* * For Disk devices, if it doesn't support UDMA mode, we would * like to return failure directly. */ if ((sdinfo->satadrv_type == SATA_DTYPE_ATADISK) && !((sdinfo->satadrv_id.ai_validinfo & SATA_VALIDINFO_88) != 0 && (sdinfo->satadrv_id.ai_ultradma & SATA_UDMA_SUP_MASK) != 0)) { sata_log(sata_hba_inst, CE_WARN, "SATA disk device at port %d does not support UDMA", sdinfo->satadrv_addr.cport); rval = SATA_FAILURE; goto fail_unknown; } return (SATA_SUCCESS); fail_unknown: /* Invalidate sata_drive_info ? */ sdinfo->satadrv_type = SATA_DTYPE_UNKNOWN; sdinfo->satadrv_state = SATA_STATE_UNKNOWN; return (rval); } /* * Log/display device information */ static void sata_show_drive_info(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo) { int valid_version; char msg_buf[MAXPATHLEN]; int i; /* Show HBA path */ (void) ddi_pathname(SATA_DIP(sata_hba_inst), msg_buf); cmn_err(CE_CONT, "?%s :\n", msg_buf); switch (sdinfo->satadrv_type) { case SATA_DTYPE_ATADISK: (void) sprintf(msg_buf, "SATA disk device at"); break; case SATA_DTYPE_ATAPICD: (void) sprintf(msg_buf, "SATA CD/DVD (ATAPI) device at"); break; case SATA_DTYPE_ATAPITAPE: (void) sprintf(msg_buf, "SATA tape (ATAPI) device at"); break; case SATA_DTYPE_ATAPIDISK: (void) sprintf(msg_buf, "SATA disk (ATAPI) device at"); break; case SATA_DTYPE_ATAPIPROC: (void) sprintf(msg_buf, "SATA processor (ATAPI) device at"); break; case SATA_DTYPE_UNKNOWN: (void) sprintf(msg_buf, "Unsupported SATA device type (cfg 0x%x) at ", sdinfo->satadrv_id.ai_config); break; } if (sdinfo->satadrv_addr.qual == SATA_ADDR_DCPORT) cmn_err(CE_CONT, "?\t%s port %d\n", msg_buf, sdinfo->satadrv_addr.cport); else cmn_err(CE_CONT, "?\t%s port %d:%d\n", msg_buf, sdinfo->satadrv_addr.cport, sdinfo->satadrv_addr.pmport); bcopy(&sdinfo->satadrv_id.ai_model, msg_buf, sizeof (sdinfo->satadrv_id.ai_model)); swab(msg_buf, msg_buf, sizeof (sdinfo->satadrv_id.ai_model)); msg_buf[sizeof (sdinfo->satadrv_id.ai_model)] = '\0'; cmn_err(CE_CONT, "?\tmodel %s\n", msg_buf); bcopy(&sdinfo->satadrv_id.ai_fw, msg_buf, sizeof (sdinfo->satadrv_id.ai_fw)); swab(msg_buf, msg_buf, sizeof (sdinfo->satadrv_id.ai_fw)); msg_buf[sizeof (sdinfo->satadrv_id.ai_fw)] = '\0'; cmn_err(CE_CONT, "?\tfirmware %s\n", msg_buf); bcopy(&sdinfo->satadrv_id.ai_drvser, msg_buf, sizeof (sdinfo->satadrv_id.ai_drvser)); swab(msg_buf, msg_buf, sizeof (sdinfo->satadrv_id.ai_drvser)); msg_buf[sizeof (sdinfo->satadrv_id.ai_drvser)] = '\0'; if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { cmn_err(CE_CONT, "?\tserial number %s\n", msg_buf); } else { /* * Some drives do not implement serial number and may * violate the spec by providing spaces rather than zeros * in serial number field. Scan the buffer to detect it. */ for (i = 0; i < sizeof (sdinfo->satadrv_id.ai_drvser); i++) { if (msg_buf[i] != '\0' && msg_buf[i] != ' ') break; } if (i == sizeof (sdinfo->satadrv_id.ai_drvser)) { cmn_err(CE_CONT, "?\tserial number - none\n"); } else { cmn_err(CE_CONT, "?\tserial number %s\n", msg_buf); } } #ifdef SATA_DEBUG if (sdinfo->satadrv_id.ai_majorversion != 0 && sdinfo->satadrv_id.ai_majorversion != 0xffff) { int i; for (i = 14; i >= 2; i--) { if (sdinfo->satadrv_id.ai_majorversion & (1 << i)) { valid_version = i; break; } } cmn_err(CE_CONT, "?\tATA/ATAPI-%d supported, majver 0x%x minver 0x%x\n", valid_version, sdinfo->satadrv_id.ai_majorversion, sdinfo->satadrv_id.ai_minorversion); } #endif /* Log some info */ cmn_err(CE_CONT, "?\tsupported features:\n"); msg_buf[0] = '\0'; if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA48) (void) strlcat(msg_buf, "48-bit LBA, ", MAXPATHLEN); else if (sdinfo->satadrv_features_support & SATA_DEV_F_LBA28) (void) strlcat(msg_buf, "28-bit LBA, ", MAXPATHLEN); } if (sdinfo->satadrv_features_support & SATA_DEV_F_DMA) (void) strlcat(msg_buf, "DMA", MAXPATHLEN); if (sdinfo->satadrv_features_support & SATA_DEV_F_NCQ) (void) strlcat(msg_buf, ", Native Command Queueing", MAXPATHLEN); if (sdinfo->satadrv_features_support & SATA_DEV_F_TCQ) (void) strlcat(msg_buf, ", Legacy Tagged Queuing", MAXPATHLEN); if ((sdinfo->satadrv_id.ai_cmdset82 & SATA_SMART_SUPPORTED) && (sdinfo->satadrv_id.ai_features85 & SATA_SMART_ENABLED)) (void) strlcat(msg_buf, ", SMART", MAXPATHLEN); if ((sdinfo->satadrv_id.ai_cmdset84 & SATA_SMART_SELF_TEST_SUPPORTED) && (sdinfo->satadrv_id.ai_features87 & SATA_SMART_SELF_TEST_SUPPORTED)) (void) strlcat(msg_buf, ", SMART self-test", MAXPATHLEN); cmn_err(CE_CONT, "?\t %s\n", msg_buf); if (sdinfo->satadrv_features_support & SATA_DEV_F_SATA3) cmn_err(CE_CONT, "?\tSATA Gen3 signaling speed (6.0Gbps)\n"); else if (sdinfo->satadrv_features_support & SATA_DEV_F_SATA2) cmn_err(CE_CONT, "?\tSATA Gen2 signaling speed (3.0Gbps)\n"); else if (sdinfo->satadrv_features_support & SATA_DEV_F_SATA1) cmn_err(CE_CONT, "?\tSATA Gen1 signaling speed (1.5Gbps)\n"); if (sdinfo->satadrv_features_support & (SATA_DEV_F_TCQ | SATA_DEV_F_NCQ)) { msg_buf[0] = '\0'; (void) snprintf(msg_buf, MAXPATHLEN, "Supported queue depth %d", sdinfo->satadrv_queue_depth); if (!(sata_func_enable & (SATA_ENABLE_QUEUING | SATA_ENABLE_NCQ))) (void) strlcat(msg_buf, " - queueing disabled globally", MAXPATHLEN); else if (sdinfo->satadrv_queue_depth > sdinfo->satadrv_max_queue_depth) { (void) snprintf(&msg_buf[strlen(msg_buf)], MAXPATHLEN - strlen(msg_buf), ", limited to %d", (int)sdinfo->satadrv_max_queue_depth); } cmn_err(CE_CONT, "?\t%s\n", msg_buf); } if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { #ifdef __i386 (void) sprintf(msg_buf, "\tcapacity = %llu sectors\n", sdinfo->satadrv_capacity); #else (void) sprintf(msg_buf, "\tcapacity = %lu sectors\n", sdinfo->satadrv_capacity); #endif cmn_err(CE_CONT, "?%s", msg_buf); } } /* * Log/display port multiplier information * No Mutex should be hold. */ static void sata_show_pmult_info(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { _NOTE(ARGUNUSED(sata_hba_inst)) int cport = sata_device->satadev_addr.cport; sata_pmult_info_t *pmultinfo; char msg_buf[MAXPATHLEN]; uint32_t gscr0, gscr1, gscr2, gscr64; mutex_enter(&SATA_CPORT_MUTEX(sata_hba_inst, cport)); pmultinfo = SATA_PMULT_INFO(sata_hba_inst, cport); if (pmultinfo == NULL) { mutex_exit(&SATA_CPORT_MUTEX(sata_hba_inst, cport)); return; } gscr0 = pmultinfo->pmult_gscr.gscr0; gscr1 = pmultinfo->pmult_gscr.gscr1; gscr2 = pmultinfo->pmult_gscr.gscr2; gscr64 = pmultinfo->pmult_gscr.gscr64; mutex_exit(&SATA_CPORT_MUTEX(sata_hba_inst, cport)); cmn_err(CE_CONT, "?Port Multiplier %d device-ports found at port %d", sata_device->satadev_add_info, sata_device->satadev_addr.cport); (void) sprintf(msg_buf, "\tVendor_ID 0x%04x, Module_ID 0x%04x", gscr0 & 0xffff, (gscr0 >> 16) & 0xffff); cmn_err(CE_CONT, "?%s", msg_buf); (void) strcpy(msg_buf, "\tSupport SATA PMP Spec "); if (gscr1 & (1 << 3)) (void) strlcat(msg_buf, "1.2", MAXPATHLEN); else if (gscr1 & (1 << 2)) (void) strlcat(msg_buf, "1.1", MAXPATHLEN); else if (gscr1 & (1 << 1)) (void) strlcat(msg_buf, "1.0", MAXPATHLEN); else (void) strlcat(msg_buf, "unknown", MAXPATHLEN); cmn_err(CE_CONT, "?%s", msg_buf); (void) strcpy(msg_buf, "\tSupport "); if (gscr64 & (1 << 3)) (void) strlcat(msg_buf, "Asy-Notif, ", MAXPATHLEN); if (gscr64 & (1 << 2)) (void) strlcat(msg_buf, "Dyn-SSC, ", MAXPATHLEN); if (gscr64 & (1 << 1)) (void) strlcat(msg_buf, "Iss-PMREQ, ", MAXPATHLEN); if (gscr64 & (1 << 0)) (void) strlcat(msg_buf, "BIST", MAXPATHLEN); if ((gscr64 & 0xf) == 0) (void) strlcat(msg_buf, "nothing", MAXPATHLEN); cmn_err(CE_CONT, "?%s", msg_buf); (void) sprintf(msg_buf, "\tNumber of exposed device fan-out ports: %d", gscr2 & SATA_PMULT_PORTNUM_MASK); cmn_err(CE_CONT, "?%s", msg_buf); } /* * sata_save_drive_settings extracts current setting of the device and stores * it for future reference, in case the device setup would need to be restored * after the device reset. * * For all devices read ahead and write cache settings are saved, if the * device supports these features at all. * For ATAPI devices the Removable Media Status Notification setting is saved. */ static void sata_save_drive_settings(sata_drive_info_t *sdinfo) { if (SATA_READ_AHEAD_SUPPORTED(sdinfo->satadrv_id) || SATA_WRITE_CACHE_SUPPORTED(sdinfo->satadrv_id)) { /* Current setting of Read Ahead (and Read Cache) */ if (SATA_READ_AHEAD_ENABLED(sdinfo->satadrv_id)) sdinfo->satadrv_settings |= SATA_DEV_READ_AHEAD; else sdinfo->satadrv_settings &= ~SATA_DEV_READ_AHEAD; /* Current setting of Write Cache */ if (SATA_WRITE_CACHE_ENABLED(sdinfo->satadrv_id)) sdinfo->satadrv_settings |= SATA_DEV_WRITE_CACHE; else sdinfo->satadrv_settings &= ~SATA_DEV_WRITE_CACHE; } if (sdinfo->satadrv_type == SATA_DTYPE_ATAPICD) { if (SATA_RM_NOTIFIC_SUPPORTED(sdinfo->satadrv_id)) sdinfo->satadrv_settings |= SATA_DEV_RMSN; else sdinfo->satadrv_settings &= ~SATA_DEV_RMSN; } } /* * sata_check_capacity function determines a disk capacity * and addressing mode (LBA28/LBA48) by examining a disk identify device data. * * NOTE: CHS mode is not supported! If a device does not support LBA, * this function is not called. * * Returns device capacity in number of blocks, i.e. largest addressable LBA+1 */ static uint64_t sata_check_capacity(sata_drive_info_t *sdinfo) { uint64_t capacity = 0; int i; if (sdinfo->satadrv_type != SATA_DTYPE_ATADISK || !sdinfo->satadrv_id.ai_cap & SATA_LBA_SUPPORT) /* Capacity valid only for LBA-addressable disk devices */ return (0); if ((sdinfo->satadrv_id.ai_validinfo & SATA_VALIDINFO_88) && (sdinfo->satadrv_id.ai_cmdset83 & SATA_EXT48) && (sdinfo->satadrv_id.ai_features86 & SATA_EXT48)) { /* LBA48 mode supported and enabled */ sdinfo->satadrv_features_support |= SATA_DEV_F_LBA48 | SATA_DEV_F_LBA28; for (i = 3; i >= 0; --i) { capacity <<= 16; capacity += sdinfo->satadrv_id.ai_addrsecxt[i]; } } else { capacity = sdinfo->satadrv_id.ai_addrsec[1]; capacity <<= 16; capacity += sdinfo->satadrv_id.ai_addrsec[0]; if (capacity >= 0x1000000) /* LBA28 mode */ sdinfo->satadrv_features_support |= SATA_DEV_F_LBA28; } return (capacity); } /* * Allocate consistent buffer for DMA transfer * * Cannot be called from interrupt level or with mutex held - it may sleep. * * Returns pointer to allocated buffer structure, or NULL if allocation failed. */ static struct buf * sata_alloc_local_buffer(sata_pkt_txlate_t *spx, int len) { struct scsi_address ap; struct buf *bp; ddi_dma_attr_t cur_dma_attr; ASSERT(spx->txlt_sata_pkt != NULL); ap.a_hba_tran = spx->txlt_sata_hba_inst->satahba_scsi_tran; ap.a_target = SATA_TO_SCSI_TARGET( spx->txlt_sata_pkt->satapkt_device.satadev_addr.cport, spx->txlt_sata_pkt->satapkt_device.satadev_addr.pmport, spx->txlt_sata_pkt->satapkt_device.satadev_addr.qual); ap.a_lun = 0; bp = scsi_alloc_consistent_buf(&ap, NULL, len, B_READ, SLEEP_FUNC, NULL); if (bp != NULL) { /* Allocate DMA resources for this buffer */ spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = bp; /* * We use a local version of the dma_attr, to account * for a device addressing limitations. * sata_adjust_dma_attr() will handle sdinfo == NULL which * will cause dma attributes to be adjusted to a lowest * acceptable level. */ sata_adjust_dma_attr(NULL, SATA_DMA_ATTR(spx->txlt_sata_hba_inst), &cur_dma_attr); if (sata_dma_buf_setup(spx, PKT_CONSISTENT, SLEEP_FUNC, NULL, &cur_dma_attr) != DDI_SUCCESS) { scsi_free_consistent_buf(bp); spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; bp = NULL; } } return (bp); } /* * Release local buffer (consistent buffer for DMA transfer) allocated * via sata_alloc_local_buffer(). */ static void sata_free_local_buffer(sata_pkt_txlate_t *spx) { ASSERT(spx->txlt_sata_pkt != NULL); ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp != NULL); spx->txlt_sata_pkt->satapkt_cmd.satacmd_num_dma_cookies = 0; spx->txlt_sata_pkt->satapkt_cmd.satacmd_dma_cookie_list = NULL; sata_common_free_dma_rsrcs(spx); /* Free buffer */ scsi_free_consistent_buf(spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp); spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp = NULL; } /* * Allocate sata_pkt * Pkt structure version and embedded strcutures version are initialized. * sata_pkt and sata_pkt_txlate structures are cross-linked. * * Since this may be called in interrupt context by sata_scsi_init_pkt, * callback argument determines if it can sleep or not. * Hence, it should not be called from interrupt context. * * If successful, non-NULL pointer to a sata pkt is returned. * Upon failure, NULL pointer is returned. */ static sata_pkt_t * sata_pkt_alloc(sata_pkt_txlate_t *spx, int (*callback)(caddr_t)) { sata_pkt_t *spkt; int kmsflag; kmsflag = (callback == SLEEP_FUNC) ? KM_SLEEP : KM_NOSLEEP; spkt = kmem_zalloc(sizeof (sata_pkt_t), kmsflag); if (spkt == NULL) { SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, "sata_pkt_alloc: failed")); return (NULL); } spkt->satapkt_rev = SATA_PKT_REV; spkt->satapkt_cmd.satacmd_rev = SATA_CMD_REV; spkt->satapkt_device.satadev_rev = SATA_DEVICE_REV; spkt->satapkt_framework_private = spx; spx->txlt_sata_pkt = spkt; return (spkt); } /* * Free sata pkt allocated via sata_pkt_alloc() */ static void sata_pkt_free(sata_pkt_txlate_t *spx) { ASSERT(spx->txlt_sata_pkt != NULL); ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp == NULL); kmem_free(spx->txlt_sata_pkt, sizeof (sata_pkt_t)); spx->txlt_sata_pkt = NULL; } /* * Adjust DMA attributes. * SCSI cmds block count is up to 24 bits, SATA cmd block count vary * from 8 bits to 16 bits, depending on a command being used. * Limiting max block count arbitrarily to 256 for all read/write * commands may affects performance, so check both the device and * controller capability before adjusting dma attributes. */ void sata_adjust_dma_attr(sata_drive_info_t *sdinfo, ddi_dma_attr_t *dma_attr, ddi_dma_attr_t *adj_dma_attr) { uint32_t count_max; /* Copy original attributes */ *adj_dma_attr = *dma_attr; /* * Things to consider: device addressing capability, * "excessive" controller DMA capabilities. * If a device is being probed/initialized, there are * no device info - use default limits then. */ if (sdinfo == NULL) { count_max = dma_attr->dma_attr_granular * 0x100; if (dma_attr->dma_attr_count_max > count_max) adj_dma_attr->dma_attr_count_max = count_max; if (dma_attr->dma_attr_maxxfer > count_max) adj_dma_attr->dma_attr_maxxfer = count_max; return; } if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { if (sdinfo->satadrv_features_support & (SATA_DEV_F_LBA48)) { /* * 16-bit sector count may be used - we rely on * the assumption that only read and write cmds * will request more than 256 sectors worth of data */ count_max = adj_dma_attr->dma_attr_granular * 0x10000; } else { /* * 8-bit sector count will be used - default limits * for dma attributes */ count_max = adj_dma_attr->dma_attr_granular * 0x100; } /* * Adjust controler dma attributes, if necessary */ if (dma_attr->dma_attr_count_max > count_max) adj_dma_attr->dma_attr_count_max = count_max; if (dma_attr->dma_attr_maxxfer > count_max) adj_dma_attr->dma_attr_maxxfer = count_max; } } /* * Allocate DMA resources for the buffer * This function handles initial DMA resource allocation as well as * DMA window shift and may be called repeatedly for the same DMA window * until all DMA cookies in the DMA window are processed. * To guarantee that there is always a coherent set of cookies to process * by SATA HBA driver (observing alignment, device granularity, etc.), * the number of slots for DMA cookies is equal to lesser of a number of * cookies in a DMA window and a max number of scatter/gather entries. * * Returns DDI_SUCCESS upon successful operation. * Return failure code of a failing command or DDI_FAILURE when * internal cleanup failed. */ static int sata_dma_buf_setup(sata_pkt_txlate_t *spx, int flags, int (*callback)(caddr_t), caddr_t arg, ddi_dma_attr_t *cur_dma_attr) { int rval; off_t offset; size_t size; int max_sg_len, req_len, i; uint_t dma_flags; struct buf *bp; uint64_t cur_txfer_len; ASSERT(spx->txlt_sata_pkt != NULL); bp = spx->txlt_sata_pkt->satapkt_cmd.satacmd_bp; ASSERT(bp != NULL); if (spx->txlt_buf_dma_handle == NULL) { /* * No DMA resources allocated so far - this is a first call * for this sata pkt. */ rval = ddi_dma_alloc_handle(SATA_DIP(spx->txlt_sata_hba_inst), cur_dma_attr, callback, arg, &spx->txlt_buf_dma_handle); if (rval != DDI_SUCCESS) { SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, "sata_dma_buf_setup: no buf DMA resources %x", rval)); return (rval); } if (bp->b_flags & B_READ) dma_flags = DDI_DMA_READ; else dma_flags = DDI_DMA_WRITE; if (flags & PKT_CONSISTENT) dma_flags |= DDI_DMA_CONSISTENT; if (flags & PKT_DMA_PARTIAL) dma_flags |= DDI_DMA_PARTIAL; /* * Check buffer alignment and size against dma attributes * Consider dma_attr_align only. There may be requests * with the size lower than device granularity, but they * will not read/write from/to the device, so no adjustment * is necessary. The dma_attr_minxfer theoretically should * be considered, but no HBA driver is checking it. */ if (IS_P2ALIGNED(bp->b_un.b_addr, cur_dma_attr->dma_attr_align)) { rval = ddi_dma_buf_bind_handle( spx->txlt_buf_dma_handle, bp, dma_flags, callback, arg, &spx->txlt_dma_cookie, &spx->txlt_curwin_num_dma_cookies); } else { /* Buffer is not aligned */ int (*ddicallback)(caddr_t); size_t bufsz; /* Check id sleeping is allowed */ ddicallback = (callback == NULL_FUNC) ? DDI_DMA_DONTWAIT : DDI_DMA_SLEEP; SATADBG2(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, "mis-aligned buffer: addr=0x%p, cnt=%lu", (void *)bp->b_un.b_addr, bp->b_bcount); if (bp->b_flags & (B_PAGEIO|B_PHYS)) /* * CPU will need to access data in the buffer * (for copying) so map it. */ bp_mapin(bp); ASSERT(spx->txlt_tmp_buf == NULL); /* Buffer may be padded by ddi_dma_mem_alloc()! */ rval = ddi_dma_mem_alloc( spx->txlt_buf_dma_handle, bp->b_bcount, &sata_acc_attr, DDI_DMA_STREAMING, ddicallback, NULL, &spx->txlt_tmp_buf, &bufsz, &spx->txlt_tmp_buf_handle); if (rval != DDI_SUCCESS) { /* DMA mapping failed */ (void) ddi_dma_free_handle( &spx->txlt_buf_dma_handle); spx->txlt_buf_dma_handle = NULL; #ifdef SATA_DEBUG mbuffail_count++; #endif SATADBG1(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, "sata_dma_buf_setup: " "buf dma mem alloc failed %x\n", rval); return (rval); } ASSERT(IS_P2ALIGNED(spx->txlt_tmp_buf, cur_dma_attr->dma_attr_align)); #ifdef SATA_DEBUG mbuf_count++; if (bp->b_bcount != bufsz) /* * This will require special handling, because * DMA cookies will be based on the temporary * buffer size, not the original buffer * b_bcount, so the residue may have to * be counted differently. */ SATADBG2(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, "sata_dma_buf_setup: bp size %x != " "bufsz %x\n", bp->b_bcount, bufsz); #endif if (dma_flags & DDI_DMA_WRITE) { /* * Write operation - copy data into * an aligned temporary buffer. Buffer will be * synced for device by ddi_dma_addr_bind_handle */ bcopy(bp->b_un.b_addr, spx->txlt_tmp_buf, bp->b_bcount); } rval = ddi_dma_addr_bind_handle( spx->txlt_buf_dma_handle, NULL, spx->txlt_tmp_buf, bufsz, dma_flags, ddicallback, 0, &spx->txlt_dma_cookie, &spx->txlt_curwin_num_dma_cookies); } switch (rval) { case DDI_DMA_PARTIAL_MAP: SATADBG1(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, "sata_dma_buf_setup: DMA Partial Map\n", NULL); /* * Partial DMA mapping. * Retrieve number of DMA windows for this request. */ if (ddi_dma_numwin(spx->txlt_buf_dma_handle, &spx->txlt_num_dma_win) != DDI_SUCCESS) { if (spx->txlt_tmp_buf != NULL) { ddi_dma_mem_free( &spx->txlt_tmp_buf_handle); spx->txlt_tmp_buf = NULL; } (void) ddi_dma_unbind_handle( spx->txlt_buf_dma_handle); (void) ddi_dma_free_handle( &spx->txlt_buf_dma_handle); spx->txlt_buf_dma_handle = NULL; SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, "sata_dma_buf_setup: numwin failed\n")); return (DDI_FAILURE); } SATADBG2(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, "sata_dma_buf_setup: windows: %d, cookies: %d\n", spx->txlt_num_dma_win, spx->txlt_curwin_num_dma_cookies); spx->txlt_cur_dma_win = 0; break; case DDI_DMA_MAPPED: /* DMA fully mapped */ spx->txlt_num_dma_win = 1; spx->txlt_cur_dma_win = 0; SATADBG1(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, "sata_dma_buf_setup: windows: 1 " "cookies: %d\n", spx->txlt_curwin_num_dma_cookies); break; default: /* DMA mapping failed */ if (spx->txlt_tmp_buf != NULL) { ddi_dma_mem_free( &spx->txlt_tmp_buf_handle); spx->txlt_tmp_buf = NULL; } (void) ddi_dma_free_handle(&spx->txlt_buf_dma_handle); spx->txlt_buf_dma_handle = NULL; SATA_LOG_D((spx->txlt_sata_hba_inst, CE_WARN, "sata_dma_buf_setup: buf dma handle binding " "failed %x\n", rval)); return (rval); } spx->txlt_curwin_processed_dma_cookies = 0; spx->txlt_dma_cookie_list = NULL; } else { /* * DMA setup is reused. Check if we need to process more * cookies in current window, or to get next window, if any. */ ASSERT(spx->txlt_curwin_processed_dma_cookies <= spx->txlt_curwin_num_dma_cookies); if (spx->txlt_curwin_processed_dma_cookies == spx->txlt_curwin_num_dma_cookies) { /* * All cookies from current DMA window were processed. * Get next DMA window. */ spx->txlt_cur_dma_win++; if (spx->txlt_cur_dma_win < spx->txlt_num_dma_win) { (void) ddi_dma_getwin(spx->txlt_buf_dma_handle, spx->txlt_cur_dma_win, &offset, &size, &spx->txlt_dma_cookie, &spx->txlt_curwin_num_dma_cookies); spx->txlt_curwin_processed_dma_cookies = 0; } else { /* No more windows! End of request! */ /* What to do? - panic for now */ ASSERT(spx->txlt_cur_dma_win >= spx->txlt_num_dma_win); spx->txlt_curwin_num_dma_cookies = 0; spx->txlt_curwin_processed_dma_cookies = 0; spx->txlt_sata_pkt-> satapkt_cmd.satacmd_num_dma_cookies = 0; return (DDI_SUCCESS); } } } /* There better be at least one DMA cookie outstanding */ ASSERT((spx->txlt_curwin_num_dma_cookies - spx->txlt_curwin_processed_dma_cookies) > 0); if (spx->txlt_dma_cookie_list == &spx->txlt_dma_cookie) { /* The default cookie slot was used in previous run */ ASSERT(spx->txlt_curwin_processed_dma_cookies == 0); spx->txlt_dma_cookie_list = NULL; spx->txlt_dma_cookie_list_len = 0; } if (spx->txlt_curwin_processed_dma_cookies == 0) { /* * Processing a new DMA window - set-up dma cookies list. * We may reuse previously allocated cookie array if it is * possible. */ if (spx->txlt_dma_cookie_list != NULL && spx->txlt_dma_cookie_list_len < spx->txlt_curwin_num_dma_cookies) { /* * New DMA window contains more cookies than * the previous one. We need larger cookie list - free * the old one. */ (void) kmem_free(spx->txlt_dma_cookie_list, spx->txlt_dma_cookie_list_len * sizeof (ddi_dma_cookie_t)); spx->txlt_dma_cookie_list = NULL; spx->txlt_dma_cookie_list_len = 0; } if (spx->txlt_dma_cookie_list == NULL) { /* * Calculate lesser of number of cookies in this * DMA window and number of s/g entries. */ max_sg_len = cur_dma_attr->dma_attr_sgllen; req_len = MIN(max_sg_len, spx->txlt_curwin_num_dma_cookies); /* Allocate new dma cookie array if necessary */ if (req_len == 1) { /* Only one cookie - no need for a list */ spx->txlt_dma_cookie_list = &spx->txlt_dma_cookie; spx->txlt_dma_cookie_list_len = 1; } else { /* * More than one cookie - try to allocate space. */ spx->txlt_dma_cookie_list = kmem_zalloc( sizeof (ddi_dma_cookie_t) * req_len, callback == NULL_FUNC ? KM_NOSLEEP : KM_SLEEP); if (spx->txlt_dma_cookie_list == NULL) { SATADBG1(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, "sata_dma_buf_setup: cookie list " "allocation failed\n", NULL); /* * We could not allocate space for * neccessary number of dma cookies in * this window, so we fail this request. * Next invocation would try again to * allocate space for cookie list. * Note:Packet residue was not modified. */ return (DDI_DMA_NORESOURCES); } else { spx->txlt_dma_cookie_list_len = req_len; } } } /* * Fetch DMA cookies into cookie list in sata_pkt_txlate. * First cookie was already fetched. */ *(&spx->txlt_dma_cookie_list[0]) = spx->txlt_dma_cookie; cur_txfer_len = (uint64_t)spx->txlt_dma_cookie_list[0].dmac_size; spx->txlt_sata_pkt->satapkt_cmd.satacmd_num_dma_cookies = 1; spx->txlt_curwin_processed_dma_cookies++; for (i = 1; (i < spx->txlt_dma_cookie_list_len) && (i < spx->txlt_curwin_num_dma_cookies); i++) { ddi_dma_nextcookie(spx->txlt_buf_dma_handle, &spx->txlt_dma_cookie_list[i]); cur_txfer_len += (uint64_t)spx->txlt_dma_cookie_list[i].dmac_size; spx->txlt_curwin_processed_dma_cookies++; spx->txlt_sata_pkt-> satapkt_cmd.satacmd_num_dma_cookies += 1; } } else { SATADBG2(SATA_DBG_DMA_SETUP, spx->txlt_sata_hba_inst, "sata_dma_buf_setup: sliding within DMA window, " "cur cookie %d, total cookies %d\n", spx->txlt_curwin_processed_dma_cookies, spx->txlt_curwin_num_dma_cookies); /* * Not all cookies from the current dma window were used because * of s/g limitation. * There is no need to re-size the list - it was set at * optimal size, or only default entry is used (s/g = 1). */ if (spx->txlt_dma_cookie_list == NULL) { spx->txlt_dma_cookie_list = &spx->txlt_dma_cookie; spx->txlt_dma_cookie_list_len = 1; } /* * Since we are processing remaining cookies in a DMA window, * there may be less of them than the number of entries in the * current dma cookie list. */ req_len = MIN(spx->txlt_dma_cookie_list_len, (spx->txlt_curwin_num_dma_cookies - spx->txlt_curwin_processed_dma_cookies)); /* Fetch the next batch of cookies */ for (i = 0, cur_txfer_len = 0; i < req_len; i++) { ddi_dma_nextcookie(spx->txlt_buf_dma_handle, &spx->txlt_dma_cookie_list[i]); cur_txfer_len += (uint64_t)spx->txlt_dma_cookie_list[i].dmac_size; spx->txlt_sata_pkt-> satapkt_cmd.satacmd_num_dma_cookies++; spx->txlt_curwin_processed_dma_cookies++; } } ASSERT(spx->txlt_sata_pkt->satapkt_cmd.satacmd_num_dma_cookies > 0); /* Point sata_cmd to the cookie list */ spx->txlt_sata_pkt->satapkt_cmd.satacmd_dma_cookie_list = &spx->txlt_dma_cookie_list[0]; /* Remember number of DMA cookies passed in sata packet */ spx->txlt_num_dma_cookies = spx->txlt_sata_pkt->satapkt_cmd.satacmd_num_dma_cookies; ASSERT(cur_txfer_len != 0); if (cur_txfer_len <= bp->b_bcount) spx->txlt_total_residue -= cur_txfer_len; else { /* * Temporary DMA buffer has been padded by * ddi_dma_mem_alloc()! * This requires special handling, because DMA cookies are * based on the temporary buffer size, not the b_bcount, * and we have extra bytes to transfer - but the packet * residue has to stay correct because we will copy only * the requested number of bytes. */ spx->txlt_total_residue -= bp->b_bcount; } return (DDI_SUCCESS); } /* * Common routine for releasing DMA resources */ static void sata_common_free_dma_rsrcs(sata_pkt_txlate_t *spx) { if (spx->txlt_buf_dma_handle != NULL) { if (spx->txlt_tmp_buf != NULL) { /* * Intermediate DMA buffer was allocated. * Free allocated buffer and associated access handle. */ ddi_dma_mem_free(&spx->txlt_tmp_buf_handle); spx->txlt_tmp_buf = NULL; } /* * Free DMA resources - cookies and handles */ /* ASSERT(spx->txlt_dma_cookie_list != NULL); */ if (spx->txlt_dma_cookie_list != NULL) { if (spx->txlt_dma_cookie_list != &spx->txlt_dma_cookie) { (void) kmem_free(spx->txlt_dma_cookie_list, spx->txlt_dma_cookie_list_len * sizeof (ddi_dma_cookie_t)); spx->txlt_dma_cookie_list = NULL; } } (void) ddi_dma_unbind_handle(spx->txlt_buf_dma_handle); (void) ddi_dma_free_handle(&spx->txlt_buf_dma_handle); spx->txlt_buf_dma_handle = NULL; } } /* * Free DMA resources * Used by the HBA driver to release DMA resources that it does not use. * * Returns Void */ void sata_free_dma_resources(sata_pkt_t *sata_pkt) { sata_pkt_txlate_t *spx; if (sata_pkt == NULL) return; spx = (sata_pkt_txlate_t *)sata_pkt->satapkt_framework_private; sata_common_free_dma_rsrcs(spx); } /* * Fetch Device Identify data. * Send DEVICE IDENTIFY or IDENTIFY PACKET DEVICE (depending on a device type) * command to a device and get the device identify data. * The device_info structure has to be set to device type (for selecting proper * device identify command). * * Returns: * SATA_SUCCESS if cmd succeeded * SATA_RETRY if cmd was rejected and could be retried, * SATA_FAILURE if cmd failed and should not be retried (port error) * * Cannot be called in an interrupt context. */ static int sata_fetch_device_identify_data(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo) { struct buf *bp; sata_pkt_t *spkt; sata_cmd_t *scmd; sata_pkt_txlate_t *spx; int rval; dev_info_t *dip = SATA_DIP(sata_hba_inst); spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); spx->txlt_sata_hba_inst = sata_hba_inst; spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ spkt = sata_pkt_alloc(spx, SLEEP_FUNC); if (spkt == NULL) { kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (SATA_RETRY); /* may retry later */ } /* address is needed now */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; /* * Allocate buffer for Identify Data return data */ bp = sata_alloc_local_buffer(spx, sizeof (sata_id_t)); if (bp == NULL) { sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_fetch_device_identify_data: " "cannot allocate buffer for ID")); return (SATA_RETRY); /* may retry later */ } /* Fill sata_pkt */ sdinfo->satadrv_state = SATA_STATE_PROBING; spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; /* Synchronous mode, no callback */ spkt->satapkt_comp = NULL; /* Timeout 30s */ spkt->satapkt_time = sata_default_pkt_time; scmd = &spkt->satapkt_cmd; scmd->satacmd_bp = bp; scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; /* Build Identify Device cmd in the sata_pkt */ scmd->satacmd_addr_type = 0; /* N/A */ scmd->satacmd_sec_count_lsb = 0; /* N/A */ scmd->satacmd_lba_low_lsb = 0; /* N/A */ scmd->satacmd_lba_mid_lsb = 0; /* N/A */ scmd->satacmd_lba_high_lsb = 0; /* N/A */ scmd->satacmd_features_reg = 0; /* N/A */ scmd->satacmd_device_reg = 0; /* Always device 0 */ if (sdinfo->satadrv_type & SATA_DTYPE_ATAPI) { /* Identify Packet Device cmd */ scmd->satacmd_cmd_reg = SATAC_ID_PACKET_DEVICE; } else { /* Identify Device cmd - mandatory for all other devices */ scmd->satacmd_cmd_reg = SATAC_ID_DEVICE; } /* Send pkt to SATA HBA driver */ rval = (*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt); #ifdef SATA_INJECT_FAULTS sata_inject_pkt_fault(spkt, &rval, sata_fault_type); #endif if (rval == SATA_TRAN_ACCEPTED && spkt->satapkt_reason == SATA_PKT_COMPLETED) { if (spx->txlt_buf_dma_handle != NULL) { rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, DDI_DMA_SYNC_FORKERNEL); ASSERT(rval == DDI_SUCCESS); if (sata_check_for_dma_error(dip, spx)) { ddi_fm_service_impact(dip, DDI_SERVICE_UNAFFECTED); rval = SATA_RETRY; goto fail; } } if ((((sata_id_t *)(bp->b_un.b_addr))->ai_config & SATA_INCOMPLETE_DATA) == SATA_INCOMPLETE_DATA) { SATA_LOG_D((sata_hba_inst, CE_WARN, "SATA disk device at port %d - " "partial Identify Data", sdinfo->satadrv_addr.cport)); rval = SATA_RETRY; /* may retry later */ goto fail; } /* Update sata_drive_info */ bcopy(bp->b_un.b_addr, &sdinfo->satadrv_id, sizeof (sata_id_t)); sdinfo->satadrv_features_support = 0; if (sdinfo->satadrv_type == SATA_DTYPE_ATADISK) { /* * Retrieve capacity (disks only) and addressing mode */ sdinfo->satadrv_capacity = sata_check_capacity(sdinfo); } else { /* * For ATAPI devices one would have to issue * Get Capacity cmd for media capacity. Not here. */ sdinfo->satadrv_capacity = 0; /* * Check what cdb length is supported */ if ((sdinfo->satadrv_id.ai_config & SATA_ATAPI_ID_PKT_SZ) == SATA_ATAPI_ID_PKT_16B) sdinfo->satadrv_atapi_cdb_len = 16; else sdinfo->satadrv_atapi_cdb_len = 12; } /* Setup supported features flags */ if (sdinfo->satadrv_id.ai_cap & SATA_DMA_SUPPORT) sdinfo->satadrv_features_support |= SATA_DEV_F_DMA; /* Check for SATA GEN and NCQ support */ if (sdinfo->satadrv_id.ai_satacap != 0 && sdinfo->satadrv_id.ai_satacap != 0xffff) { /* SATA compliance */ if (sdinfo->satadrv_id.ai_satacap & SATA_NCQ) sdinfo->satadrv_features_support |= SATA_DEV_F_NCQ; if (sdinfo->satadrv_id.ai_satacap & (SATA_1_SPEED | SATA_2_SPEED | SATA_3_SPEED)) { if (sdinfo->satadrv_id.ai_satacap & SATA_3_SPEED) sdinfo->satadrv_features_support |= SATA_DEV_F_SATA3; if (sdinfo->satadrv_id.ai_satacap & SATA_2_SPEED) sdinfo->satadrv_features_support |= SATA_DEV_F_SATA2; if (sdinfo->satadrv_id.ai_satacap & SATA_1_SPEED) sdinfo->satadrv_features_support |= SATA_DEV_F_SATA1; } else { sdinfo->satadrv_features_support |= SATA_DEV_F_SATA1; } } if ((sdinfo->satadrv_id.ai_cmdset83 & SATA_RW_DMA_QUEUED_CMD) && (sdinfo->satadrv_id.ai_features86 & SATA_RW_DMA_QUEUED_CMD)) sdinfo->satadrv_features_support |= SATA_DEV_F_TCQ; sdinfo->satadrv_queue_depth = sdinfo->satadrv_id.ai_qdepth; if ((sdinfo->satadrv_features_support & SATA_DEV_F_NCQ) || (sdinfo->satadrv_features_support & SATA_DEV_F_TCQ)) { ++sdinfo->satadrv_queue_depth; /* Adjust according to controller capabilities */ sdinfo->satadrv_max_queue_depth = MIN( sdinfo->satadrv_queue_depth, SATA_QDEPTH(sata_hba_inst)); /* Adjust according to global queue depth limit */ sdinfo->satadrv_max_queue_depth = MIN( sdinfo->satadrv_max_queue_depth, sata_current_max_qdepth); if (sdinfo->satadrv_max_queue_depth == 0) sdinfo->satadrv_max_queue_depth = 1; } else sdinfo->satadrv_max_queue_depth = 1; rval = SATA_SUCCESS; } else { /* * Woops, no Identify Data. */ if (rval == SATA_TRAN_BUSY || rval == SATA_TRAN_QUEUE_FULL) { rval = SATA_RETRY; /* may retry later */ } else if (rval == SATA_TRAN_ACCEPTED) { if (spkt->satapkt_reason == SATA_PKT_DEV_ERROR || spkt->satapkt_reason == SATA_PKT_ABORTED || spkt->satapkt_reason == SATA_PKT_TIMEOUT || spkt->satapkt_reason == SATA_PKT_RESET) rval = SATA_RETRY; /* may retry later */ else rval = SATA_FAILURE; } else { rval = SATA_FAILURE; } } fail: /* Free allocated resources */ sata_free_local_buffer(spx); sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (rval); } /* * Some devices may not come-up with default DMA mode (UDMA or MWDMA). * UDMA mode is checked first, followed by MWDMA mode. * set correctly, so this function is setting it to the highest supported level. * Older SATA spec required that the device supports at least DMA 4 mode and * UDMA mode is selected. It is not mentioned in SerialATA 2.6, so this * restriction has been removed. * * Returns SATA_SUCCESS if proper DMA mode is selected or no DMA is supported. * Returns SATA_FAILURE if proper DMA mode could not be selected. * * NOTE: This function should be called only if DMA mode is supported. */ static int sata_set_dma_mode(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo) { sata_pkt_t *spkt; sata_cmd_t *scmd; sata_pkt_txlate_t *spx; int i, mode; uint8_t subcmd; int rval = SATA_SUCCESS; ASSERT(sdinfo != NULL); ASSERT(sata_hba_inst != NULL); if ((sdinfo->satadrv_id.ai_validinfo & SATA_VALIDINFO_88) != 0 && (sdinfo->satadrv_id.ai_ultradma & SATA_UDMA_SUP_MASK) != 0) { /* Find highest Ultra DMA mode supported */ for (mode = 6; mode >= 0; --mode) { if (sdinfo->satadrv_id.ai_ultradma & (1 << mode)) break; } #if 0 /* Left for historical reasons */ /* * Some initial version of SATA spec indicated that at least * UDMA mode 4 has to be supported. It is not mentioned in * SerialATA 2.6, so this restriction is removed. */ if (mode < 4) return (SATA_FAILURE); #endif /* * For disk, we're still going to set DMA mode whatever is * selected by default * * We saw an old maxtor sata drive will select Ultra DMA and * Multi-Word DMA simultaneouly by default, which is going * to cause DMA command timed out, so we need to select DMA * mode even when it's already done by default */ if (sdinfo->satadrv_type != SATA_DTYPE_ATADISK) { /* Find UDMA mode currently selected */ for (i = 6; i >= 0; --i) { if (sdinfo->satadrv_id.ai_ultradma & (1 << (i + 8))) break; } if (i >= mode) /* Nothing to do */ return (SATA_SUCCESS); } subcmd = SATAC_TRANSFER_MODE_ULTRA_DMA; } else if ((sdinfo->satadrv_id.ai_dworddma & SATA_MDMA_SUP_MASK) != 0) { /* Find highest MultiWord DMA mode supported */ for (mode = 2; mode >= 0; --mode) { if (sdinfo->satadrv_id.ai_dworddma & (1 << mode)) break; } /* * For disk, We're still going to set DMA mode whatever is * selected by default * * We saw an old maxtor sata drive will select Ultra DMA and * Multi-Word DMA simultaneouly by default, which is going * to cause DMA command timed out, so we need to select DMA * mode even when it's already done by default */ if (sdinfo->satadrv_type != SATA_DTYPE_ATADISK) { /* Find highest MultiWord DMA mode selected */ for (i = 2; i >= 0; --i) { if (sdinfo->satadrv_id.ai_dworddma & (1 << (i + 8))) break; } if (i >= mode) /* Nothing to do */ return (SATA_SUCCESS); } subcmd = SATAC_TRANSFER_MODE_MULTI_WORD_DMA; } else return (SATA_SUCCESS); /* * Set DMA mode via SET FEATURES COMMAND. * Prepare packet for SET FEATURES COMMAND. */ spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); spx->txlt_sata_hba_inst = sata_hba_inst; spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ spkt = sata_pkt_alloc(spx, SLEEP_FUNC); if (spkt == NULL) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_set_dma_mode: could not set DMA mode %d", mode)); rval = SATA_FAILURE; goto done; } /* Fill sata_pkt */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; /* Timeout 30s */ spkt->satapkt_time = sata_default_pkt_time; /* Synchronous mode, no callback, interrupts */ spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; spkt->satapkt_comp = NULL; scmd = &spkt->satapkt_cmd; scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; scmd->satacmd_addr_type = 0; scmd->satacmd_device_reg = 0; scmd->satacmd_status_reg = 0; scmd->satacmd_error_reg = 0; scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; scmd->satacmd_features_reg = SATAC_SF_TRANSFER_MODE; scmd->satacmd_sec_count_lsb = subcmd | mode; /* Transfer command to HBA */ if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != SATA_TRAN_ACCEPTED || spkt->satapkt_reason != SATA_PKT_COMPLETED) { /* Pkt execution failed */ rval = SATA_FAILURE; } done: /* Free allocated resources */ if (spkt != NULL) sata_pkt_free(spx); (void) kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (rval); } /* * Set device caching mode. * One of the following operations should be specified: * SATAC_SF_ENABLE_READ_AHEAD * SATAC_SF_DISABLE_READ_AHEAD * SATAC_SF_ENABLE_WRITE_CACHE * SATAC_SF_DISABLE_WRITE_CACHE * * If operation fails, system log messgage is emitted. * Returns SATA_SUCCESS when the operation succeeds, SATA_RETRY if * command was sent but did not succeed, and SATA_FAILURE otherwise. */ static int sata_set_cache_mode(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo, int cache_op) { sata_pkt_t *spkt; sata_cmd_t *scmd; sata_pkt_txlate_t *spx; int rval = SATA_SUCCESS; int hba_rval; char *infop; ASSERT(sdinfo != NULL); ASSERT(sata_hba_inst != NULL); ASSERT(cache_op == SATAC_SF_ENABLE_READ_AHEAD || cache_op == SATAC_SF_DISABLE_READ_AHEAD || cache_op == SATAC_SF_ENABLE_WRITE_CACHE || cache_op == SATAC_SF_DISABLE_WRITE_CACHE); /* Prepare packet for SET FEATURES COMMAND */ spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); spx->txlt_sata_hba_inst = sata_hba_inst; spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ spkt = sata_pkt_alloc(spx, SLEEP_FUNC); if (spkt == NULL) { rval = SATA_FAILURE; goto failure; } /* Fill sata_pkt */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; /* Timeout 30s */ spkt->satapkt_time = sata_default_pkt_time; /* Synchronous mode, no callback, interrupts */ spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; spkt->satapkt_comp = NULL; scmd = &spkt->satapkt_cmd; scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; scmd->satacmd_addr_type = 0; scmd->satacmd_device_reg = 0; scmd->satacmd_status_reg = 0; scmd->satacmd_error_reg = 0; scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; scmd->satacmd_features_reg = cache_op; /* Transfer command to HBA */ hba_rval = (*SATA_START_FUNC(sata_hba_inst))( SATA_DIP(sata_hba_inst), spkt); #ifdef SATA_INJECT_FAULTS sata_inject_pkt_fault(spkt, &rval, sata_fault_type); #endif if ((hba_rval != SATA_TRAN_ACCEPTED) || (spkt->satapkt_reason != SATA_PKT_COMPLETED)) { /* Pkt execution failed */ switch (cache_op) { case SATAC_SF_ENABLE_READ_AHEAD: infop = "enabling read ahead failed"; break; case SATAC_SF_DISABLE_READ_AHEAD: infop = "disabling read ahead failed"; break; case SATAC_SF_ENABLE_WRITE_CACHE: infop = "enabling write cache failed"; break; case SATAC_SF_DISABLE_WRITE_CACHE: infop = "disabling write cache failed"; break; } SATA_LOG_D((sata_hba_inst, CE_WARN, "%s", infop)); rval = SATA_RETRY; } failure: /* Free allocated resources */ if (spkt != NULL) sata_pkt_free(spx); (void) kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (rval); } /* * Set Removable Media Status Notification (enable/disable) * state == 0 , disable * state != 0 , enable * * If operation fails, system log messgage is emitted. * Returns SATA_SUCCESS when the operation succeeds, SATA_FAILURE otherwise. */ static int sata_set_rmsn(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo, int state) { sata_pkt_t *spkt; sata_cmd_t *scmd; sata_pkt_txlate_t *spx; int rval = SATA_SUCCESS; char *infop; ASSERT(sdinfo != NULL); ASSERT(sata_hba_inst != NULL); /* Prepare packet for SET FEATURES COMMAND */ spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); spx->txlt_sata_hba_inst = sata_hba_inst; spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ spkt = sata_pkt_alloc(spx, SLEEP_FUNC); if (spkt == NULL) { rval = SATA_FAILURE; goto failure; } /* Fill sata_pkt */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; /* Timeout 30s */ spkt->satapkt_time = sata_default_pkt_time; /* Synchronous mode, no callback, interrupts */ spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; spkt->satapkt_comp = NULL; scmd = &spkt->satapkt_cmd; scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; scmd->satacmd_addr_type = 0; scmd->satacmd_device_reg = 0; scmd->satacmd_status_reg = 0; scmd->satacmd_error_reg = 0; scmd->satacmd_cmd_reg = SATAC_SET_FEATURES; if (state == 0) scmd->satacmd_features_reg = SATAC_SF_DISABLE_RMSN; else scmd->satacmd_features_reg = SATAC_SF_ENABLE_RMSN; /* Transfer command to HBA */ if (((*SATA_START_FUNC(sata_hba_inst))( SATA_DIP(sata_hba_inst), spkt) != SATA_TRAN_ACCEPTED) || (spkt->satapkt_reason != SATA_PKT_COMPLETED)) { /* Pkt execution failed */ if (state == 0) infop = "disabling Removable Media Status " "Notification failed"; else infop = "enabling Removable Media Status " "Notification failed"; SATA_LOG_D((sata_hba_inst, CE_WARN, "%s", infop)); rval = SATA_FAILURE; } failure: /* Free allocated resources */ if (spkt != NULL) sata_pkt_free(spx); (void) kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (rval); } /* * Update state and copy port ss* values from passed sata_device structure. * sata_address is validated - if not valid, nothing is changed in sata_scsi * configuration struct. * * SATA_PSTATE_SHUTDOWN in port state is not reset to 0 by this function * regardless of the state in device argument. * * Port mutex should be held while calling this function. */ static void sata_update_port_info(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { sata_cport_info_t *cportinfo; if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT || sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) { if (SATA_NUM_CPORTS(sata_hba_inst) <= sata_device->satadev_addr.cport) return; cportinfo = SATA_CPORT_INFO(sata_hba_inst, sata_device->satadev_addr.cport); ASSERT(mutex_owned(&cportinfo->cport_mutex)); cportinfo->cport_scr = sata_device->satadev_scr; /* Preserve SATA_PSTATE_SHUTDOWN flag */ cportinfo->cport_state &= ~(SATA_PSTATE_PWRON | SATA_PSTATE_PWROFF | SATA_PSTATE_FAILED); cportinfo->cport_state |= sata_device->satadev_state & SATA_PSTATE_VALID; } } void sata_update_pmport_info(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { sata_pmport_info_t *pmportinfo; if ((sata_device->satadev_addr.qual != SATA_ADDR_PMPORT && sata_device->satadev_addr.qual != SATA_ADDR_DPMPORT) || SATA_NUM_PMPORTS(sata_hba_inst, sata_device->satadev_addr.cport) < sata_device->satadev_addr.pmport) { SATADBG1(SATA_DBG_PMULT, sata_hba_inst, "sata_update_port_info: error address %p.", &sata_device->satadev_addr); return; } pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, sata_device->satadev_addr.cport, sata_device->satadev_addr.pmport); ASSERT(mutex_owned(&pmportinfo->pmport_mutex)); pmportinfo->pmport_scr = sata_device->satadev_scr; /* Preserve SATA_PSTATE_SHUTDOWN flag */ pmportinfo->pmport_state &= ~(SATA_PSTATE_PWRON | SATA_PSTATE_PWROFF | SATA_PSTATE_FAILED); pmportinfo->pmport_state |= sata_device->satadev_state & SATA_PSTATE_VALID; } /* * Extract SATA port specification from an IOCTL argument. * * This function return the port the user land send us as is, unless it * cannot retrieve port spec, then -1 is returned. * * Support port multiplier. */ static int32_t sata_get_port_num(sata_hba_inst_t *sata_hba_inst, struct devctl_iocdata *dcp) { int32_t port; /* Extract port number from nvpair in dca structure */ if (nvlist_lookup_int32(ndi_dc_get_ap_data(dcp), "port", &port) != 0) { SATA_LOG_D((sata_hba_inst, CE_NOTE, "sata_get_port_num: invalid port spec 0x%x in ioctl", port)); port = -1; } return (port); } /* * Get dev_info_t pointer to the device node pointed to by port argument. * NOTE: target argument is a value used in ioctls to identify * the AP - it is not a sata_address. * It is a combination of cport, pmport and address qualifier, encodded same * way as a scsi target number. * At this moment it carries only cport number. * * PMult hotplug is supported now. * * Returns dev_info_t pointer if target device was found, NULL otherwise. */ static dev_info_t * sata_get_target_dip(dev_info_t *dip, uint8_t cport, uint8_t pmport) { dev_info_t *cdip = NULL; int target, tgt; int circ; uint8_t qual; sata_hba_inst_t *sata_hba_inst; scsi_hba_tran_t *scsi_hba_tran; /* Get target id */ scsi_hba_tran = ddi_get_driver_private(dip); if (scsi_hba_tran == NULL) return (NULL); sata_hba_inst = scsi_hba_tran->tran_hba_private; if (sata_hba_inst == NULL) return (NULL); /* Identify a port-mult by cport_info.cport_dev_type */ if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) == SATA_DTYPE_PMULT) qual = SATA_ADDR_DPMPORT; else qual = SATA_ADDR_DCPORT; target = SATA_TO_SCSI_TARGET(cport, pmport, qual); /* Retrieve target dip */ ndi_devi_enter(dip, &circ); for (cdip = ddi_get_child(dip); cdip != NULL; ) { dev_info_t *next = ddi_get_next_sibling(cdip); tgt = ddi_prop_get_int(DDI_DEV_T_ANY, cdip, DDI_PROP_DONTPASS, "target", -1); if (tgt == -1) { /* * This is actually an error condition, but not * a fatal one. Just continue the search. */ cdip = next; continue; } if (tgt == target) break; cdip = next; } ndi_devi_exit(dip, circ); return (cdip); } /* * Get dev_info_t pointer to the device node pointed to by port argument. * NOTE: target argument is a value used in ioctls to identify * the AP - it is not a sata_address. * It is a combination of cport, pmport and address qualifier, encoded same * way as a scsi target number. * * Returns dev_info_t pointer if target device was found, NULL otherwise. */ static dev_info_t * sata_get_scsi_target_dip(dev_info_t *dip, sata_address_t *saddr) { dev_info_t *cdip = NULL; int target, tgt; int circ; target = SATA_TO_SCSI_TARGET(saddr->cport, saddr->pmport, saddr->qual); ndi_devi_enter(dip, &circ); for (cdip = ddi_get_child(dip); cdip != NULL; ) { dev_info_t *next = ddi_get_next_sibling(cdip); tgt = ddi_prop_get_int(DDI_DEV_T_ANY, cdip, DDI_PROP_DONTPASS, "target", -1); if (tgt == -1) { /* * This is actually an error condition, but not * a fatal one. Just continue the search. */ cdip = next; continue; } if (tgt == target) break; cdip = next; } ndi_devi_exit(dip, circ); return (cdip); } /* * Process sata port disconnect request. * Normally, cfgadm sata plugin will try to offline (unconfigure) the device * before this request. Nevertheless, if a device is still configured, * we need to attempt to offline and unconfigure device. * Regardless of the unconfigure operation results the port is marked as * deactivated and no access to the attached device is possible. * If the target node remains because unconfigure operation failed, its state * will be set to DEVICE_REMOVED, preventing it to be used again when a device * is inserted/re-inserted. The event daemon will repeatedly try to unconfigure * the device and remove old target node. * * This function invokes sata_hba_inst->satahba_tran-> * sata_tran_hotplug_ops->sata_tran_port_deactivate(). * If successful, the device structure (if any) attached to the specified port * is removed and state of the port marked appropriately. * Failure of the port_deactivate may keep port in the physically active state, * or may fail the port. * * NOTE: Port multiplier is supported. */ static int sata_ioctl_disconnect(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { sata_drive_info_t *sdinfo = NULL, *subsdinfo = NULL; sata_cport_info_t *cportinfo = NULL; sata_pmport_info_t *pmportinfo = NULL; sata_pmult_info_t *pmultinfo = NULL; sata_device_t subsdevice; int cport, pmport, qual; int rval = SATA_SUCCESS; int npmport = 0; int rv = 0; cport = sata_device->satadev_addr.cport; pmport = sata_device->satadev_addr.pmport; qual = sata_device->satadev_addr.qual; ASSERT(qual == SATA_ADDR_DCPORT || qual == SATA_ADDR_DPMPORT); if (qual == SATA_ADDR_DCPORT) qual = SATA_ADDR_CPORT; else qual = SATA_ADDR_PMPORT; /* * DEVCTL_AP_DISCONNECT invokes sata_hba_inst->satahba_tran-> * sata_tran_hotplug_ops->sata_tran_port_deactivate(). * Do the sanity check. */ if (SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst) == NULL) { /* No physical port deactivation supported. */ return (EINVAL); } /* Check the current state of the port */ rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_device); cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); /* * Processing port mulitiplier */ if (qual == SATA_ADDR_CPORT && SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) == SATA_DTYPE_PMULT) { mutex_enter(&cportinfo->cport_mutex); /* Check controller port status */ sata_update_port_info(sata_hba_inst, sata_device); if (rval != SATA_SUCCESS || (sata_device->satadev_state & SATA_PSTATE_FAILED) != 0) { /* * Device port status is unknown or it is in failed * state */ SATA_CPORT_STATE(sata_hba_inst, cport) = SATA_PSTATE_FAILED; SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, "sata_hba_ioctl: connect: failed to deactivate " "SATA port %d", cport); mutex_exit(&cportinfo->cport_mutex); return (EIO); } /* Disconnect all sub-devices. */ pmultinfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); if (pmultinfo != NULL) { for (npmport = 0; npmport < SATA_NUM_PMPORTS( sata_hba_inst, cport); npmport ++) { subsdinfo = SATA_PMPORT_DRV_INFO( sata_hba_inst, cport, npmport); if (subsdinfo == NULL) continue; subsdevice.satadev_addr = subsdinfo-> satadrv_addr; mutex_exit(&cportinfo->cport_mutex); if (sata_ioctl_disconnect(sata_hba_inst, &subsdevice) == SATA_SUCCESS) { SATADBG2(SATA_DBG_PMULT, sata_hba_inst, "[Remove] device at port %d:%d " "successfully.", cport, npmport); } mutex_enter(&cportinfo->cport_mutex); } } /* Disconnect the port multiplier */ cportinfo->cport_state &= ~SATA_STATE_READY; mutex_exit(&cportinfo->cport_mutex); sata_device->satadev_addr.qual = qual; rval = (*SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_device); sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, SE_NO_HINT); mutex_enter(&cportinfo->cport_mutex); sata_update_port_info(sata_hba_inst, sata_device); if (rval != SATA_SUCCESS && sata_device->satadev_state & SATA_PSTATE_FAILED) { cportinfo->cport_state = SATA_PSTATE_FAILED; rv = EIO; } else { cportinfo->cport_state |= SATA_PSTATE_SHUTDOWN; } mutex_exit(&cportinfo->cport_mutex); return (rv); } /* * Process non-port-multiplier device - it could be a drive connected * to a port multiplier port or a controller port. */ if (qual == SATA_ADDR_PMPORT) { pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); mutex_enter(&pmportinfo->pmport_mutex); sata_update_pmport_info(sata_hba_inst, sata_device); if (rval != SATA_SUCCESS || (sata_device->satadev_state & SATA_PSTATE_FAILED) != 0) { SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) = SATA_PSTATE_FAILED; SATADBG2(SATA_DBG_IOCTL_IF, sata_hba_inst, "sata_hba_ioctl: connect: failed to deactivate " "SATA port %d:%d", cport, pmport); mutex_exit(&pmportinfo->pmport_mutex); return (EIO); } if (pmportinfo->pmport_dev_type != SATA_DTYPE_NONE) { sdinfo = pmportinfo->pmport_sata_drive; ASSERT(sdinfo != NULL); } /* * Set port's dev_state to not ready - this will disable * an access to a potentially attached device. */ pmportinfo->pmport_state &= ~SATA_STATE_READY; /* Remove and release sata_drive info structure. */ if (sdinfo != NULL) { if ((sdinfo->satadrv_type & SATA_VALID_DEV_TYPE) != 0) { /* * If a target node exists, try to offline * a device and remove target node. */ mutex_exit(&pmportinfo->pmport_mutex); (void) sata_offline_device(sata_hba_inst, sata_device, sdinfo); mutex_enter(&pmportinfo->pmport_mutex); } SATA_PMPORTINFO_DRV_INFO(pmportinfo) = NULL; pmportinfo->pmport_dev_type = SATA_DTYPE_NONE; (void) kmem_free((void *)sdinfo, sizeof (sata_drive_info_t)); } mutex_exit(&pmportinfo->pmport_mutex); } else if (qual == SATA_ADDR_CPORT) { mutex_enter(&cportinfo->cport_mutex); sata_update_port_info(sata_hba_inst, sata_device); if (rval != SATA_SUCCESS || (sata_device->satadev_state & SATA_PSTATE_FAILED) != 0) { /* * Device port status is unknown or it is in failed * state */ SATA_CPORT_STATE(sata_hba_inst, cport) = SATA_PSTATE_FAILED; SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, "sata_hba_ioctl: connect: failed to deactivate " "SATA port %d", cport); mutex_exit(&cportinfo->cport_mutex); return (EIO); } if (cportinfo->cport_dev_type == SATA_DTYPE_PMULT) { pmultinfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); ASSERT(pmultinfo != NULL); } else if (cportinfo->cport_dev_type != SATA_DTYPE_NONE) { sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); ASSERT(sdinfo != NULL); } cportinfo->cport_state &= ~SATA_STATE_READY; if (sdinfo != NULL) { if ((sdinfo->satadrv_type & SATA_VALID_DEV_TYPE) != 0) { /* * If a target node exists, try to offline * a device and remove target node. */ mutex_exit(&cportinfo->cport_mutex); (void) sata_offline_device(sata_hba_inst, sata_device, sdinfo); mutex_enter(&cportinfo->cport_mutex); } SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; cportinfo->cport_dev_type = SATA_DTYPE_NONE; (void) kmem_free((void *)sdinfo, sizeof (sata_drive_info_t)); } mutex_exit(&cportinfo->cport_mutex); } /* Just ask HBA driver to deactivate port */ sata_device->satadev_addr.qual = qual; rval = (*SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_device); /* * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE * without the hint (to force listener to investivate the state). */ sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, SE_NO_HINT); if (qual == SATA_ADDR_PMPORT) { mutex_enter(&pmportinfo->pmport_mutex); sata_update_pmport_info(sata_hba_inst, sata_device); if (rval != SATA_SUCCESS && sata_device->satadev_state & SATA_PSTATE_FAILED) { /* * Port deactivation failure - do not change port * state unless the state returned by HBA indicates a * port failure. * * NOTE: device structures were released, so devices * now are invisible! Port reset is needed to * re-enumerate devices. */ pmportinfo->pmport_state = SATA_PSTATE_FAILED; rv = EIO; } else { /* * Deactivation succeded. From now on the sata framework * will not care what is happening to the device, until * the port is activated again. */ pmportinfo->pmport_state |= SATA_PSTATE_SHUTDOWN; } mutex_exit(&pmportinfo->pmport_mutex); } else if (qual == SATA_ADDR_CPORT) { mutex_enter(&cportinfo->cport_mutex); sata_update_port_info(sata_hba_inst, sata_device); if (rval != SATA_SUCCESS && sata_device->satadev_state & SATA_PSTATE_FAILED) { cportinfo->cport_state = SATA_PSTATE_FAILED; rv = EIO; } else { cportinfo->cport_state |= SATA_PSTATE_SHUTDOWN; } mutex_exit(&cportinfo->cport_mutex); } return (rv); } /* * Process sata port connect request * The sata cfgadm pluging will invoke this operation only if port was found * in the disconnect state (failed state is also treated as the disconnected * state). * DEVCTL_AP_CONNECT would invoke sata_hba_inst->satahba_tran-> * sata_tran_hotplug_ops->sata_tran_port_activate(). * If successful and a device is found attached to the port, * the initialization sequence is executed to attach a device structure to * a port structure. The state of the port and a device would be set * appropriately. * The device is not set in configured state (system-wise) by this operation. * * Note, that activating the port may generate link events, * so it is important that following processing and the * event processing does not interfere with each other! * * This operation may remove port failed state and will * try to make port active and in good standing. * * NOTE: Port multiplier is supported. */ static int sata_ioctl_connect(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { sata_pmport_info_t *pmportinfo = NULL; uint8_t cport, pmport, qual; int rv = 0; cport = sata_device->satadev_addr.cport; pmport = sata_device->satadev_addr.pmport; qual = sata_device->satadev_addr.qual; ASSERT(qual == SATA_ADDR_DCPORT || qual == SATA_ADDR_DPMPORT); if (qual == SATA_ADDR_DCPORT) qual = SATA_ADDR_CPORT; else qual = SATA_ADDR_PMPORT; if (qual == SATA_ADDR_PMPORT) pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); /* * DEVCTL_AP_CONNECT would invoke sata_hba_inst-> * satahba_tran->sata_tran_hotplug_ops->sata_tran_port_activate(). * Perform sanity check now. */ if (SATA_PORT_ACTIVATE_FUNC(sata_hba_inst) == NULL) { /* No physical port activation supported. */ return (EINVAL); } /* Just ask HBA driver to activate port */ if ((*SATA_PORT_ACTIVATE_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { /* * Port activation failure. */ if (qual == SATA_ADDR_CPORT) { mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); sata_update_port_info(sata_hba_inst, sata_device); if (sata_device->satadev_state & SATA_PSTATE_FAILED) { SATA_CPORT_STATE(sata_hba_inst, cport) = SATA_PSTATE_FAILED; SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, "sata_hba_ioctl: connect: failed to " "activate SATA port %d", cport); } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); } else { /* port multiplier device port */ mutex_enter(&pmportinfo->pmport_mutex); sata_update_pmport_info(sata_hba_inst, sata_device); if (sata_device->satadev_state & SATA_PSTATE_FAILED) { SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) = SATA_PSTATE_FAILED; SATADBG2(SATA_DBG_IOCTL_IF, sata_hba_inst, "sata_hba_ioctl: connect: failed to " "activate SATA port %d:%d", cport, pmport); } mutex_exit(&pmportinfo->pmport_mutex); } return (EIO); } /* Virgin port state - will be updated by the port re-probe. */ if (qual == SATA_ADDR_CPORT) { mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); SATA_CPORT_STATE(sata_hba_inst, cport) = 0; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); } else { /* port multiplier device port */ mutex_enter(&pmportinfo->pmport_mutex); SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) = 0; mutex_exit(&pmportinfo->pmport_mutex); } /* * Probe the port to find its state and attached device. */ if (sata_reprobe_port(sata_hba_inst, sata_device, SATA_DEV_IDENTIFY_RETRY) == SATA_FAILURE) rv = EIO; /* * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE * without the hint */ sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, SE_NO_HINT); /* * If there is a device attached to the port, emit * a message. */ if (sata_device->satadev_type != SATA_DTYPE_NONE) { if (qual == SATA_ADDR_CPORT) { if (sata_device->satadev_type == SATA_DTYPE_PMULT) { sata_log(sata_hba_inst, CE_WARN, "SATA port multiplier detected " "at port %d", cport); } else { sata_log(sata_hba_inst, CE_WARN, "SATA device detected at port %d", cport); if (sata_device->satadev_type == SATA_DTYPE_UNKNOWN) { /* * A device was not successfully identified */ sata_log(sata_hba_inst, CE_WARN, "Could not identify SATA " "device at port %d", cport); } } } else { /* port multiplier device port */ sata_log(sata_hba_inst, CE_WARN, "SATA device detected at port %d:%d", cport, pmport); if (sata_device->satadev_type == SATA_DTYPE_UNKNOWN) { /* * A device was not successfully identified */ sata_log(sata_hba_inst, CE_WARN, "Could not identify SATA " "device at port %d:%d", cport, pmport); } } } return (rv); } /* * Process sata device unconfigure request. * The unconfigure operation uses generic nexus operation to * offline a device. It leaves a target device node attached. * and obviously sata_drive_info attached as well, because * from the hardware point of view nothing has changed. */ static int sata_ioctl_unconfigure(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { int rv = 0; dev_info_t *tdip; /* We are addressing attached device, not a port */ if (sata_device->satadev_addr.qual == SATA_ADDR_CPORT) sata_device->satadev_addr.qual = SATA_ADDR_DCPORT; else if (sata_device->satadev_addr.qual == SATA_ADDR_PMPORT) sata_device->satadev_addr.qual = SATA_ADDR_DPMPORT; if ((tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), &sata_device->satadev_addr)) != NULL) { if (ndi_devi_offline(tdip, NDI_UNCONFIG) != NDI_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: unconfigure: " "failed to unconfigure device at SATA port %d:%d", sata_device->satadev_addr.cport, sata_device->satadev_addr.pmport)); rv = EIO; } /* * The target node devi_state should be marked with * DEVI_DEVICE_OFFLINE by ndi_devi_offline(). * This would be the indication for cfgadm that * the AP node occupant state is 'unconfigured'. */ } else { /* * This would indicate a failure on the part of cfgadm * to detect correct state of the node prior to this * call - one cannot unconfigure non-existing device. */ SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: unconfigure: " "attempt to unconfigure non-existing device " "at SATA port %d:%d", sata_device->satadev_addr.cport, sata_device->satadev_addr.pmport)); rv = ENXIO; } return (rv); } /* * Process sata device configure request * If port is in a failed state, operation is aborted - one has to use * an explicit connect or port activate request to try to get a port into * non-failed mode. Port reset wil also work in such situation. * If the port is in disconnected (shutdown) state, the connect operation is * attempted prior to any other action. * When port is in the active state, there is a device attached and the target * node exists, a device was most likely offlined. * If target node does not exist, a new target node is created. In both cases * an attempt is made to online (configure) the device. * * NOTE: Port multiplier is supported. */ static int sata_ioctl_configure(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { int cport, pmport, qual; int rval; boolean_t target = B_TRUE; sata_cport_info_t *cportinfo; sata_pmport_info_t *pmportinfo = NULL; dev_info_t *tdip; sata_drive_info_t *sdinfo; cport = sata_device->satadev_addr.cport; pmport = sata_device->satadev_addr.pmport; qual = sata_device->satadev_addr.qual; /* Get current port state */ rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_device); cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); if (qual == SATA_ADDR_DPMPORT) { pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); mutex_enter(&pmportinfo->pmport_mutex); sata_update_pmport_info(sata_hba_inst, sata_device); if (rval != SATA_SUCCESS || (sata_device->satadev_state & SATA_PSTATE_FAILED) != 0) { /* * Obviously, device on a failed port is not visible */ mutex_exit(&pmportinfo->pmport_mutex); return (ENXIO); } mutex_exit(&pmportinfo->pmport_mutex); } else { mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); sata_update_port_info(sata_hba_inst, sata_device); if (rval != SATA_SUCCESS || (sata_device->satadev_state & SATA_PSTATE_FAILED) != 0) { /* * Obviously, device on a failed port is not visible */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); return (ENXIO); } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); } if ((sata_device->satadev_state & SATA_PSTATE_SHUTDOWN) != 0) { /* need to activate port */ target = B_FALSE; /* Sanity check */ if (SATA_PORT_ACTIVATE_FUNC(sata_hba_inst) == NULL) return (ENXIO); /* Just let HBA driver to activate port */ if ((*SATA_PORT_ACTIVATE_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { /* * Port activation failure - do not change port state * unless the state returned by HBA indicates a port * failure. */ if (qual == SATA_ADDR_DPMPORT) { mutex_enter(&pmportinfo->pmport_mutex); sata_update_pmport_info(sata_hba_inst, sata_device); if (sata_device->satadev_state & SATA_PSTATE_FAILED) pmportinfo->pmport_state = SATA_PSTATE_FAILED; mutex_exit(&pmportinfo->pmport_mutex); } else { mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); sata_update_port_info(sata_hba_inst, sata_device); if (sata_device->satadev_state & SATA_PSTATE_FAILED) cportinfo->cport_state = SATA_PSTATE_FAILED; mutex_exit(&SATA_CPORT_INFO( sata_hba_inst, cport)->cport_mutex); } } SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: configure: " "failed to activate SATA port %d:%d", cport, pmport)); return (EIO); } /* * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE * without the hint. */ sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, SE_NO_HINT); /* Virgin port state */ if (qual == SATA_ADDR_DPMPORT) { mutex_enter(&pmportinfo->pmport_mutex); pmportinfo->pmport_state = 0; mutex_exit(&pmportinfo->pmport_mutex); } else { mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_mutex); cportinfo->cport_state = 0; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); } /* * Always reprobe port, to get current device info. */ if (sata_reprobe_port(sata_hba_inst, sata_device, SATA_DEV_IDENTIFY_RETRY) != SATA_SUCCESS) return (EIO); if (sata_device->satadev_type != SATA_DTYPE_NONE && target == B_FALSE) { if (qual == SATA_ADDR_DPMPORT) { /* * That's the transition from "inactive" port * to active one with device attached. */ sata_log(sata_hba_inst, CE_WARN, "SATA device detected at port %d:%d", cport, pmport); } else { /* * When PM is attached to the cport and cport is * activated, every PM device port needs to be reprobed. * We need to emit message for all devices detected * at port multiplier's device ports. * Add such code here. * For now, just inform about device attached to * cport. */ sata_log(sata_hba_inst, CE_WARN, "SATA device detected at port %d", cport); } } /* * This is where real configuration operation starts. * * When PM is attached to the cport and cport is activated, * devices attached PM device ports may have to be configured * explicitly. This may change when port multiplier is supported. * For now, configure only disks and other valid target devices. */ if (!(sata_device->satadev_type & SATA_VALID_DEV_TYPE)) { if (qual == SATA_ADDR_DCPORT) { if (sata_device->satadev_type == SATA_DTYPE_UNKNOWN) { /* * A device was not successfully identified */ sata_log(sata_hba_inst, CE_WARN, "Could not identify SATA " "device at port %d", cport); } } else { /* port multiplier device port */ if (sata_device->satadev_type == SATA_DTYPE_UNKNOWN) { /* * A device was not successfully identified */ sata_log(sata_hba_inst, CE_WARN, "Could not identify SATA " "device at port %d:%d", cport, pmport); } } return (ENXIO); /* No device to configure */ } /* * Here we may have a device in reset condition, * but because we are just configuring it, there is * no need to process the reset other than just * to clear device reset condition in the HBA driver. * Setting the flag SATA_EVNT_CLEAR_DEVICE_RESET will * cause a first command sent the HBA driver with the request * to clear device reset condition. */ mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); if (qual == SATA_ADDR_DPMPORT) sata_device->satadev_addr.qual = SATA_ADDR_DPMPORT; else sata_device->satadev_addr.qual = SATA_ADDR_DCPORT; sdinfo = sata_get_device_info(sata_hba_inst, sata_device); if (sdinfo == NULL) { mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); return (ENXIO); } if (sdinfo->satadrv_event_flags & (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) { sdinfo->satadrv_event_flags = 0; } sdinfo->satadrv_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); if ((tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), &sata_device->satadev_addr)) != NULL) { /* * Target node exists. Verify, that it belongs * to existing, attached device and not to * a removed device. */ if (sata_check_device_removed(tdip) == B_TRUE) { if (qual == SATA_ADDR_DPMPORT) sata_log(sata_hba_inst, CE_WARN, "SATA device at port %d cannot be " "configured. " "Application(s) accessing " "previously attached device " "have to release it before newly " "inserted device can be made accessible.", cport); else sata_log(sata_hba_inst, CE_WARN, "SATA device at port %d:%d cannot be" "configured. " "Application(s) accessing " "previously attached device " "have to release it before newly " "inserted device can be made accessible.", cport, pmport); return (EIO); } /* * Device was not removed and re-inserted. * Try to online it. */ if (ndi_devi_online(tdip, 0) != NDI_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: configure: " "onlining device at SATA port " "%d:%d failed", cport, pmport)); return (EIO); } if (qual == SATA_ADDR_DPMPORT) { mutex_enter(&pmportinfo->pmport_mutex); pmportinfo->pmport_tgtnode_clean = B_TRUE; mutex_exit(&pmportinfo->pmport_mutex); } else { mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); cportinfo-> cport_tgtnode_clean = B_TRUE; mutex_exit(&SATA_CPORT_INFO( sata_hba_inst, cport)->cport_mutex); } } else { /* * No target node - need to create a new target node. */ if (qual == SATA_ADDR_DPMPORT) { mutex_enter(&pmportinfo->pmport_mutex); pmportinfo->pmport_tgtnode_clean = B_TRUE; mutex_exit(&pmportinfo->pmport_mutex); } else { mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_mutex); cportinfo-> cport_tgtnode_clean = B_TRUE; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_mutex); } tdip = sata_create_target_node(SATA_DIP(sata_hba_inst), sata_hba_inst, &sata_device->satadev_addr); if (tdip == NULL) { /* Configure operation failed */ SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: configure: " "configuring SATA device at port %d:%d " "failed", cport, pmport)); return (EIO); } } return (0); } /* * Process ioctl deactivate port request. * Arbitrarily unconfigure attached device, if any. * Even if the unconfigure fails, proceed with the * port deactivation. * * NOTE: Port Multiplier is supported now. */ static int sata_ioctl_deactivate(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { int cport, pmport, qual; int rval, rv = 0; int npmport; sata_cport_info_t *cportinfo; sata_pmport_info_t *pmportinfo; sata_pmult_info_t *pmultinfo; dev_info_t *tdip; sata_drive_info_t *sdinfo = NULL; sata_device_t subsdevice; /* Sanity check */ if (SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst) == NULL) return (ENOTSUP); cport = sata_device->satadev_addr.cport; pmport = sata_device->satadev_addr.pmport; qual = sata_device->satadev_addr.qual; /* SCSI_TO_SATA_ADDR_QUAL() translate ap_id into a device qualifier */ ASSERT(qual == SATA_ADDR_DCPORT || qual == SATA_ADDR_DPMPORT); if (qual == SATA_ADDR_DCPORT) qual = SATA_ADDR_CPORT; else qual = SATA_ADDR_PMPORT; cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); if (qual == SATA_ADDR_PMPORT) pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); /* * Processing port multiplier */ if (qual == SATA_ADDR_CPORT && SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) == SATA_DTYPE_PMULT) { mutex_enter(&cportinfo->cport_mutex); /* Deactivate all sub-deices */ pmultinfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); if (pmultinfo != NULL) { for (npmport = 0; npmport < SATA_NUM_PMPORTS( sata_hba_inst, cport); npmport++) { subsdevice.satadev_addr.cport = cport; subsdevice.satadev_addr.pmport = (uint8_t)npmport; subsdevice.satadev_addr.qual = SATA_ADDR_DPMPORT; SATADBG2(SATA_DBG_PMULT, sata_hba_inst, "sata_hba_ioctl: deactivate: trying to " "deactivate SATA port %d:%d", cport, npmport); mutex_exit(&cportinfo->cport_mutex); if (sata_ioctl_deactivate(sata_hba_inst, &subsdevice) == SATA_SUCCESS) { SATADBG2(SATA_DBG_PMULT, sata_hba_inst, "[Deactivate] device at port %d:%d " "successfully.", cport, npmport); } mutex_enter(&cportinfo->cport_mutex); } } /* Deactivate the port multiplier now. */ cportinfo->cport_state &= ~SATA_STATE_READY; mutex_exit(&cportinfo->cport_mutex); sata_device->satadev_addr.qual = qual; rval = (*SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_device); sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, SE_NO_HINT); mutex_enter(&cportinfo->cport_mutex); sata_update_port_info(sata_hba_inst, sata_device); if (rval != SATA_SUCCESS) { if (sata_device->satadev_state & SATA_PSTATE_FAILED) { cportinfo->cport_state = SATA_PSTATE_FAILED; } rv = EIO; } else { cportinfo->cport_state |= SATA_PSTATE_SHUTDOWN; } mutex_exit(&cportinfo->cport_mutex); return (rv); } /* * Process non-port-multiplier device - it could be a drive connected * to a port multiplier port or a controller port. */ mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); if (qual == SATA_ADDR_CPORT) { sata_device->satadev_addr.qual = SATA_ADDR_DCPORT; if (cportinfo->cport_dev_type != SATA_DTYPE_NONE) { /* deal only with valid devices */ if ((cportinfo->cport_dev_type & SATA_VALID_DEV_TYPE) != 0) sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); } cportinfo->cport_state &= ~SATA_STATE_READY; } else { /* Port multiplier device port */ mutex_enter(&pmportinfo->pmport_mutex); sata_device->satadev_addr.qual = SATA_ADDR_DPMPORT; if (pmportinfo->pmport_dev_type != SATA_DTYPE_NONE && (pmportinfo->pmport_dev_type & SATA_VALID_DEV_TYPE) != 0) sdinfo = SATA_PMPORTINFO_DRV_INFO(pmportinfo); pmportinfo->pmport_state &= ~SATA_STATE_READY; mutex_exit(&pmportinfo->pmport_mutex); } if (sdinfo != NULL) { /* * If a target node exists, try to offline a device and * to remove a target node. */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_mutex); tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), &sata_device->satadev_addr); if (tdip != NULL) { /* target node exist */ SATADBG1(SATA_DBG_IOCTL_IF, sata_hba_inst, "sata_hba_ioctl: port deactivate: " "target node exists.", NULL); if (ndi_devi_offline(tdip, NDI_DEVI_REMOVE) != NDI_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: port deactivate: " "failed to unconfigure device at port " "%d:%d before deactivating the port", cport, pmport)); /* * Set DEVICE REMOVED state in the target * node. It will prevent an access to * the device even when a new device is * attached, until the old target node is * released, removed and recreated for a new * device. */ sata_set_device_removed(tdip); /* * Instruct the event daemon to try the * target node cleanup later. */ sata_set_target_node_cleanup(sata_hba_inst, &sata_device->satadev_addr); } } mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_mutex); /* * In any case, remove and release sata_drive_info * structure. */ if (qual == SATA_ADDR_CPORT) { SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; cportinfo->cport_dev_type = SATA_DTYPE_NONE; } else { /* port multiplier device port */ mutex_enter(&pmportinfo->pmport_mutex); SATA_PMPORTINFO_DRV_INFO(pmportinfo) = NULL; pmportinfo->pmport_dev_type = SATA_DTYPE_NONE; mutex_exit(&pmportinfo->pmport_mutex); } (void) kmem_free((void *)sdinfo, sizeof (sata_drive_info_t)); } if (qual == SATA_ADDR_CPORT) { cportinfo->cport_state &= ~(SATA_STATE_PROBED | SATA_STATE_PROBING); } else if (qual == SATA_ADDR_PMPORT) { mutex_enter(&pmportinfo->pmport_mutex); pmportinfo->pmport_state &= ~(SATA_STATE_PROBED | SATA_STATE_PROBING); mutex_exit(&pmportinfo->pmport_mutex); } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); /* Just let HBA driver to deactivate port */ sata_device->satadev_addr.qual = qual; rval = (*SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_device); /* * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE * without the hint */ sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, SE_NO_HINT); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); sata_update_port_info(sata_hba_inst, sata_device); if (qual == SATA_ADDR_CPORT) { if (rval != SATA_SUCCESS) { /* * Port deactivation failure - do not change port state * unless the state returned by HBA indicates a port * failure. */ if (sata_device->satadev_state & SATA_PSTATE_FAILED) { SATA_CPORT_STATE(sata_hba_inst, cport) = SATA_PSTATE_FAILED; } SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: port deactivate: " "cannot deactivate SATA port %d", cport)); rv = EIO; } else { cportinfo->cport_state |= SATA_PSTATE_SHUTDOWN; } } else { mutex_enter(&pmportinfo->pmport_mutex); if (rval != SATA_SUCCESS) { if (sata_device->satadev_state & SATA_PSTATE_FAILED) { SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) = SATA_PSTATE_FAILED; } SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: port deactivate: " "cannot deactivate SATA port %d:%d", cport, pmport)); rv = EIO; } else { pmportinfo->pmport_state |= SATA_PSTATE_SHUTDOWN; } mutex_exit(&pmportinfo->pmport_mutex); } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); return (rv); } /* * Process ioctl port activate request. * * NOTE: Port multiplier is supported now. */ static int sata_ioctl_activate(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { int cport, pmport, qual; sata_cport_info_t *cportinfo; sata_pmport_info_t *pmportinfo = NULL; boolean_t dev_existed = B_TRUE; /* Sanity check */ if (SATA_PORT_ACTIVATE_FUNC(sata_hba_inst) == NULL) return (ENOTSUP); cport = sata_device->satadev_addr.cport; pmport = sata_device->satadev_addr.pmport; qual = sata_device->satadev_addr.qual; cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); /* * The qual translate from ap_id (by SCSI_TO_SATA_ADDR_QUAL()) * is a device. But what we are dealing with is port/pmport. */ ASSERT(qual == SATA_ADDR_DCPORT || qual == SATA_ADDR_DPMPORT); if (qual == SATA_ADDR_DCPORT) sata_device->satadev_addr.qual = qual = SATA_ADDR_CPORT; else sata_device->satadev_addr.qual = qual = SATA_ADDR_PMPORT; mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); if (qual == SATA_ADDR_PMPORT) { pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); if (pmportinfo->pmport_state & SATA_PSTATE_SHUTDOWN || pmportinfo->pmport_dev_type == SATA_DTYPE_NONE) dev_existed = B_FALSE; } else { /* cport */ if (cportinfo->cport_state & SATA_PSTATE_SHUTDOWN || cportinfo->cport_dev_type == SATA_DTYPE_NONE) dev_existed = B_FALSE; } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); /* Just let HBA driver to activate port, if necessary */ if ((*SATA_PORT_ACTIVATE_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { /* * Port activation failure - do not change port state unless * the state returned by HBA indicates a port failure. */ mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); sata_update_port_info(sata_hba_inst, sata_device); if (sata_device->satadev_state & SATA_PSTATE_FAILED) { if (qual == SATA_ADDR_PMPORT) { mutex_enter(&pmportinfo->pmport_mutex); pmportinfo->pmport_state = SATA_PSTATE_FAILED; mutex_exit(&pmportinfo->pmport_mutex); } else cportinfo->cport_state = SATA_PSTATE_FAILED; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: port activate: cannot activate " "SATA port %d:%d", cport, pmport)); return (EIO); } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); } mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); if (qual == SATA_ADDR_PMPORT) { mutex_enter(&pmportinfo->pmport_mutex); pmportinfo->pmport_state &= ~SATA_PSTATE_SHUTDOWN; mutex_exit(&pmportinfo->pmport_mutex); } else cportinfo->cport_state &= ~SATA_PSTATE_SHUTDOWN; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); /* * Re-probe port to find its current state and possibly attached device. * Port re-probing may change the cportinfo device type if device is * found attached. * If port probing failed, the device type would be set to * SATA_DTYPE_NONE. */ (void) sata_reprobe_port(sata_hba_inst, sata_device, SATA_DEV_IDENTIFY_RETRY); /* * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE * without the hint. */ sata_gen_sysevent(sata_hba_inst, &sata_device->satadev_addr, SE_NO_HINT); if (dev_existed == B_FALSE) { if (qual == SATA_ADDR_PMPORT && pmportinfo->pmport_dev_type != SATA_DTYPE_NONE) { /* * That's the transition from the "inactive" port state * or the active port without a device attached to the * active port state with a device attached. */ sata_log(sata_hba_inst, CE_WARN, "SATA device detected at port %d:%d", cport, pmport); } else if (qual == SATA_ADDR_CPORT && cportinfo->cport_dev_type != SATA_DTYPE_NONE) { /* * That's the transition from the "inactive" port state * or the active port without a device attached to the * active port state with a device attached. */ if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { sata_log(sata_hba_inst, CE_WARN, "SATA device detected at port %d", cport); } else { sata_log(sata_hba_inst, CE_WARN, "SATA port multiplier detected at port %d", cport); } } } return (0); } /* * Process ioctl reset port request. * * NOTE: Port-Multiplier is supported. */ static int sata_ioctl_reset_port(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { int cport, pmport, qual; int rv = 0; cport = sata_device->satadev_addr.cport; pmport = sata_device->satadev_addr.pmport; qual = sata_device->satadev_addr.qual; /* * The qual translate from ap_id (by SCSI_TO_SATA_ADDR_QUAL()) * is a device. But what we are dealing with is port/pmport. */ if (qual == SATA_ADDR_DCPORT) sata_device->satadev_addr.qual = qual = SATA_ADDR_CPORT; else sata_device->satadev_addr.qual = qual = SATA_ADDR_PMPORT; ASSERT(qual == SATA_ADDR_CPORT || qual == SATA_ADDR_PMPORT); /* Sanity check */ if (SATA_RESET_DPORT_FUNC(sata_hba_inst) == NULL) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: sata_hba_tran missing required " "function sata_tran_reset_dport")); return (ENOTSUP); } /* Ask HBA to reset port */ if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: reset port: failed %d:%d", cport, pmport)); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_mutex); sata_update_port_info(sata_hba_inst, sata_device); if (qual == SATA_ADDR_CPORT) SATA_CPORT_STATE(sata_hba_inst, cport) = SATA_PSTATE_FAILED; else { mutex_enter(&SATA_PMPORT_MUTEX(sata_hba_inst, cport, pmport)); SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) = SATA_PSTATE_FAILED; mutex_exit(&SATA_PMPORT_MUTEX(sata_hba_inst, cport, pmport)); } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_mutex); rv = EIO; } return (rv); } /* * Process ioctl reset device request. * * NOTE: Port multiplier is supported. */ static int sata_ioctl_reset_device(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { sata_drive_info_t *sdinfo = NULL; sata_pmult_info_t *pmultinfo = NULL; int cport, pmport; int rv = 0; /* Sanity check */ if (SATA_RESET_DPORT_FUNC(sata_hba_inst) == NULL) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: sata_hba_tran missing required " "function sata_tran_reset_dport")); return (ENOTSUP); } cport = sata_device->satadev_addr.cport; pmport = sata_device->satadev_addr.pmport; mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); if (sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) { if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) == SATA_DTYPE_PMULT) pmultinfo = SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_devp.cport_sata_pmult; else sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, sata_device->satadev_addr.cport); } else { /* port multiplier */ sata_device->satadev_addr.qual = SATA_ADDR_DPMPORT; sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, sata_device->satadev_addr.cport, sata_device->satadev_addr.pmport); } if (sdinfo == NULL && pmultinfo == NULL) { mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); return (EINVAL); } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); /* Ask HBA to reset device */ if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: reset device: failed at port %d:%d", cport, pmport)); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_mutex); sata_update_port_info(sata_hba_inst, sata_device); /* * Device info structure remains attached. Another device reset * or port disconnect/connect and re-probing is * needed to change it's state */ if (sdinfo != NULL) { sdinfo->satadrv_state &= ~SATA_STATE_READY; sdinfo->satadrv_state |= SATA_DSTATE_FAILED; } else if (pmultinfo != NULL) { pmultinfo->pmult_state &= ~SATA_STATE_READY; pmultinfo->pmult_state |= SATA_DSTATE_FAILED; } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)->cport_mutex); rv = EIO; } /* * If attached device was a port multiplier, some extra processing * may be needed to bring it back. SATA specification requies a * mandatory software reset on host port to reliably enumerate a port * multiplier, the HBA driver should handle that after reset * operation. */ return (rv); } /* * Process ioctl reset all request. */ static int sata_ioctl_reset_all(sata_hba_inst_t *sata_hba_inst) { sata_device_t sata_device; int rv = 0; int tcport; sata_device.satadev_rev = SATA_DEVICE_REV; /* * There is no protection here for configured devices. */ /* Sanity check */ if (SATA_RESET_DPORT_FUNC(sata_hba_inst) == NULL) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: sata_hba_tran missing required " "function sata_tran_reset_dport")); return (ENOTSUP); } /* * Need to lock all ports, not just one. * If any port is locked by event processing, fail the whole operation. * One port is already locked, but for simplicity lock it again. */ for (tcport = 0; tcport < SATA_NUM_CPORTS(sata_hba_inst); tcport++) { mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> cport_mutex); if (((SATA_CPORT_INFO(sata_hba_inst, tcport)-> cport_event_flags) & SATA_EVNT_LOCK_PORT_BUSY) != 0) { mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> cport_mutex); rv = EBUSY; break; } else { /* * It is enough to lock cport in command-based * switching mode. */ SATA_CPORT_INFO(sata_hba_inst, tcport)-> cport_event_flags |= SATA_APCTL_LOCK_PORT_BUSY; } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> cport_mutex); } if (rv == 0) { /* * All cports were successfully locked. * Reset main SATA controller. * Set the device address to port 0, to have a valid device * address. */ sata_device.satadev_addr.qual = SATA_ADDR_CNTRL; sata_device.satadev_addr.cport = 0; sata_device.satadev_addr.pmport = 0; if ((*SATA_RESET_DPORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device) != SATA_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: reset controller failed")); return (EIO); } } /* * Unlock all ports */ for (tcport = 0; tcport < SATA_NUM_CPORTS(sata_hba_inst); tcport++) { mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> cport_mutex); SATA_CPORT_INFO(sata_hba_inst, tcport)-> cport_event_flags &= ~SATA_APCTL_LOCK_PORT_BUSY; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, tcport)-> cport_mutex); } /* * This operation returns EFAULT if either reset * controller failed or a re-probing of any port failed. */ return (rv); } /* * Process ioctl port self test request. * * NOTE: Port multiplier code is not completed nor tested. */ static int sata_ioctl_port_self_test(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device) { int cport, pmport, qual; int rv = 0; /* Sanity check */ if (SATA_SELFTEST_FUNC(sata_hba_inst) == NULL) return (ENOTSUP); cport = sata_device->satadev_addr.cport; pmport = sata_device->satadev_addr.pmport; qual = sata_device->satadev_addr.qual; /* * There is no protection here for a configured * device attached to this port. */ if ((*SATA_SELFTEST_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), sata_device) != SATA_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_ioctl: port selftest: " "failed port %d:%d", cport, pmport)); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_mutex); sata_update_port_info(sata_hba_inst, sata_device); if (qual == SATA_ADDR_CPORT) SATA_CPORT_STATE(sata_hba_inst, cport) = SATA_PSTATE_FAILED; else { /* port multiplier device port */ mutex_enter(&SATA_PMPORT_MUTEX(sata_hba_inst, cport, pmport)); SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) = SATA_PSTATE_FAILED; mutex_exit(&SATA_PMPORT_MUTEX(sata_hba_inst, cport, pmport)); } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, cport)-> cport_mutex); return (EIO); } /* * Beacuse the port was reset in the course of testing, it should be * re-probed and attached device state should be restored. At this * point the port state is unknown - it's state is HBA-specific. * Force port re-probing to get it into a known state. */ if (sata_reprobe_port(sata_hba_inst, sata_device, SATA_DEV_IDENTIFY_RETRY) != SATA_SUCCESS) rv = EIO; return (rv); } /* * sata_cfgadm_state: * Use the sata port state and state of the target node to figure out * the cfgadm_state. * * The port argument is a value with encoded cport, * pmport and address qualifier, in the same manner as a scsi target number. * SCSI_TO_SATA_CPORT macro extracts cport number, * SCSI_TO_SATA_PMPORT extracts pmport number and * SCSI_TO_SATA_ADDR_QUAL extracts port mulitplier qualifier flag. * * Port multiplier is supported. */ static void sata_cfgadm_state(sata_hba_inst_t *sata_hba_inst, int32_t port, devctl_ap_state_t *ap_state) { uint8_t cport, pmport, qual; uint32_t port_state, pmult_state; uint32_t dev_type; sata_drive_info_t *sdinfo; cport = SCSI_TO_SATA_CPORT(port); pmport = SCSI_TO_SATA_PMPORT(port); qual = SCSI_TO_SATA_ADDR_QUAL(port); /* Check cport state */ port_state = SATA_CPORT_STATE(sata_hba_inst, cport); if (port_state & SATA_PSTATE_SHUTDOWN || port_state & SATA_PSTATE_FAILED) { ap_state->ap_rstate = AP_RSTATE_DISCONNECTED; ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; if (port_state & SATA_PSTATE_FAILED) ap_state->ap_condition = AP_COND_FAILED; else ap_state->ap_condition = AP_COND_UNKNOWN; return; } /* cport state is okay. Now check pmport state */ if (qual == SATA_ADDR_DPMPORT || qual == SATA_ADDR_PMPORT) { /* Sanity check */ if (SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) != SATA_DTYPE_PMULT || SATA_PMPORT_INFO(sata_hba_inst, cport, pmport) == NULL) return; port_state = SATA_PMPORT_STATE(sata_hba_inst, cport, pmport); if (port_state & SATA_PSTATE_SHUTDOWN || port_state & SATA_PSTATE_FAILED) { ap_state->ap_rstate = AP_RSTATE_DISCONNECTED; ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; if (port_state & SATA_PSTATE_FAILED) ap_state->ap_condition = AP_COND_FAILED; else ap_state->ap_condition = AP_COND_UNKNOWN; return; } } /* Port is enabled and ready */ if (qual == SATA_ADDR_DCPORT || qual == SATA_ADDR_CPORT) dev_type = SATA_CPORT_DEV_TYPE(sata_hba_inst, cport); else dev_type = SATA_PMPORT_DEV_TYPE(sata_hba_inst, cport, pmport); switch (dev_type) { case SATA_DTYPE_NONE: { ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; ap_state->ap_condition = AP_COND_OK; /* No device attached */ ap_state->ap_rstate = AP_RSTATE_EMPTY; break; } case SATA_DTYPE_PMULT: { /* Need to check port multiplier state */ ASSERT(qual == SATA_ADDR_DCPORT); pmult_state = SATA_PMULT_INFO(sata_hba_inst, cport)-> pmult_state; if (pmult_state & (SATA_PSTATE_SHUTDOWN|SATA_PSTATE_FAILED)) { ap_state->ap_rstate = AP_RSTATE_DISCONNECTED; ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; if (pmult_state & SATA_PSTATE_FAILED) ap_state->ap_condition = AP_COND_FAILED; else ap_state->ap_condition = AP_COND_UNKNOWN; return; } /* Port multiplier is not configurable */ ap_state->ap_ostate = AP_OSTATE_CONFIGURED; ap_state->ap_rstate = AP_RSTATE_CONNECTED; ap_state->ap_condition = AP_COND_OK; break; } case SATA_DTYPE_ATADISK: case SATA_DTYPE_ATAPICD: case SATA_DTYPE_ATAPITAPE: case SATA_DTYPE_ATAPIDISK: { dev_info_t *tdip = NULL; dev_info_t *dip = NULL; int circ; dip = SATA_DIP(sata_hba_inst); tdip = sata_get_target_dip(dip, cport, pmport); ap_state->ap_rstate = AP_RSTATE_CONNECTED; if (tdip != NULL) { ndi_devi_enter(dip, &circ); mutex_enter(&(DEVI(tdip)->devi_lock)); if (DEVI_IS_DEVICE_REMOVED(tdip)) { /* * There could be the case where previously * configured and opened device was removed * and unknown device was plugged. * In such case we want to show a device, and * its configured or unconfigured state but * indicate unusable condition untill the * old target node is released and removed. */ ap_state->ap_condition = AP_COND_UNUSABLE; } else { mutex_enter(&SATA_CPORT_MUTEX(sata_hba_inst, cport)); sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, cport); if (sdinfo != NULL) { if ((sdinfo->satadrv_state & SATA_DSTATE_FAILED) != 0) ap_state->ap_condition = AP_COND_FAILED; else ap_state->ap_condition = AP_COND_OK; } else { ap_state->ap_condition = AP_COND_UNKNOWN; } mutex_exit(&SATA_CPORT_MUTEX(sata_hba_inst, cport)); } if ((DEVI_IS_DEVICE_OFFLINE(tdip)) || (DEVI_IS_DEVICE_DOWN(tdip))) { ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; } else { ap_state->ap_ostate = AP_OSTATE_CONFIGURED; } mutex_exit(&(DEVI(tdip)->devi_lock)); ndi_devi_exit(dip, circ); } else { ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; ap_state->ap_condition = AP_COND_UNKNOWN; } break; } case SATA_DTYPE_ATAPIPROC: ap_state->ap_rstate = AP_RSTATE_CONNECTED; ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; ap_state->ap_condition = AP_COND_OK; break; default: ap_state->ap_rstate = AP_RSTATE_CONNECTED; ap_state->ap_ostate = AP_OSTATE_UNCONFIGURED; ap_state->ap_condition = AP_COND_UNKNOWN; /* * This is actually internal error condition (non fatal), * because we have already checked all defined device types. */ SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_cfgadm_state: Internal error: " "unknown device type")); break; } } /* * Process ioctl get device path request. * * NOTE: Port multiplier has no target dip. Devices connected to port * multiplier have target node attached to the HBA node. The only difference * between them and the directly-attached device node is a target address. */ static int sata_ioctl_get_device_path(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) { char path[MAXPATHLEN]; uint32_t size; dev_info_t *tdip; (void) strcpy(path, "/devices"); if ((tdip = sata_get_scsi_target_dip(SATA_DIP(sata_hba_inst), &sata_device->satadev_addr)) == NULL) { /* * No such device. If this is a request for a size, do not * return EINVAL for non-existing target, because cfgadm * will then indicate a meaningless ioctl failure. * If this is a request for a path, indicate invalid * argument. */ if (ioc->get_size == 0) return (EINVAL); } else { (void) ddi_pathname(tdip, path + strlen(path)); } size = strlen(path) + 1; if (ioc->get_size != 0) { if (ddi_copyout((void *)&size, ioc->buf, ioc->bufsiz, mode) != 0) return (EFAULT); } else { if (ioc->bufsiz != size) return (EINVAL); else if (ddi_copyout((void *)&path, ioc->buf, ioc->bufsiz, mode) != 0) return (EFAULT); } return (0); } /* * Process ioctl get attachment point type request. * * NOTE: Port multiplier is supported. */ static int sata_ioctl_get_ap_type(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) { uint32_t type_len; const char *ap_type; int dev_type; if (sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) dev_type = SATA_CPORT_DEV_TYPE(sata_hba_inst, sata_device->satadev_addr.cport); else /* pmport */ dev_type = SATA_PMPORT_DEV_TYPE(sata_hba_inst, sata_device->satadev_addr.cport, sata_device->satadev_addr.pmport); switch (dev_type) { case SATA_DTYPE_NONE: ap_type = "port"; break; case SATA_DTYPE_ATADISK: case SATA_DTYPE_ATAPIDISK: ap_type = "disk"; break; case SATA_DTYPE_ATAPICD: ap_type = "cd/dvd"; break; case SATA_DTYPE_ATAPITAPE: ap_type = "tape"; break; case SATA_DTYPE_ATAPIPROC: ap_type = "processor"; break; case SATA_DTYPE_PMULT: ap_type = "sata-pmult"; break; case SATA_DTYPE_UNKNOWN: ap_type = "unknown"; break; default: ap_type = "unsupported"; break; } /* end of dev_type switch */ type_len = strlen(ap_type) + 1; if (ioc->get_size) { if (ddi_copyout((void *)&type_len, ioc->buf, ioc->bufsiz, mode) != 0) return (EFAULT); } else { if (ioc->bufsiz != type_len) return (EINVAL); if (ddi_copyout((void *)ap_type, ioc->buf, ioc->bufsiz, mode) != 0) return (EFAULT); } return (0); } /* * Process ioctl get device model info request. * This operation should return to cfgadm the device model * information string * * NOTE: Port multiplier is supported. */ static int sata_ioctl_get_model_info(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) { sata_drive_info_t *sdinfo; uint32_t info_len; char ap_info[SATA_ID_MODEL_LEN + 1]; mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, sata_device->satadev_addr.cport)->cport_mutex); if (sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, sata_device->satadev_addr.cport); else /* port multiplier */ sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, sata_device->satadev_addr.cport, sata_device->satadev_addr.pmport); if (sdinfo == NULL) { mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, sata_device->satadev_addr.cport)->cport_mutex); return (EINVAL); } #ifdef _LITTLE_ENDIAN swab(sdinfo->satadrv_id.ai_model, ap_info, SATA_ID_MODEL_LEN); #else /* _LITTLE_ENDIAN */ bcopy(sdinfo->satadrv_id.ai_model, ap_info, SATA_ID_MODEL_LEN); #endif /* _LITTLE_ENDIAN */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, sata_device->satadev_addr.cport)->cport_mutex); ap_info[SATA_ID_MODEL_LEN] = '\0'; info_len = strlen(ap_info) + 1; if (ioc->get_size) { if (ddi_copyout((void *)&info_len, ioc->buf, ioc->bufsiz, mode) != 0) return (EFAULT); } else { if (ioc->bufsiz < info_len) return (EINVAL); if (ddi_copyout((void *)ap_info, ioc->buf, ioc->bufsiz, mode) != 0) return (EFAULT); } return (0); } /* * Process ioctl get device firmware revision info request. * This operation should return to cfgadm the device firmware revision * information string * * Port multiplier is supported. */ static int sata_ioctl_get_revfirmware_info(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) { sata_drive_info_t *sdinfo; uint32_t info_len; char ap_info[SATA_ID_FW_LEN + 1]; mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, sata_device->satadev_addr.cport)->cport_mutex); if (sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, sata_device->satadev_addr.cport); else /* port multiplier */ sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, sata_device->satadev_addr.cport, sata_device->satadev_addr.pmport); if (sdinfo == NULL) { mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, sata_device->satadev_addr.cport)->cport_mutex); return (EINVAL); } #ifdef _LITTLE_ENDIAN swab(sdinfo->satadrv_id.ai_fw, ap_info, SATA_ID_FW_LEN); #else /* _LITTLE_ENDIAN */ bcopy(sdinfo->satadrv_id.ai_fw, ap_info, SATA_ID_FW_LEN); #endif /* _LITTLE_ENDIAN */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, sata_device->satadev_addr.cport)->cport_mutex); ap_info[SATA_ID_FW_LEN] = '\0'; info_len = strlen(ap_info) + 1; if (ioc->get_size) { if (ddi_copyout((void *)&info_len, ioc->buf, ioc->bufsiz, mode) != 0) return (EFAULT); } else { if (ioc->bufsiz < info_len) return (EINVAL); if (ddi_copyout((void *)ap_info, ioc->buf, ioc->bufsiz, mode) != 0) return (EFAULT); } return (0); } /* * Process ioctl get device serial number info request. * This operation should return to cfgadm the device serial number string. * * NOTE: Port multiplier is supported. */ static int sata_ioctl_get_serialnumber_info(sata_hba_inst_t *sata_hba_inst, sata_device_t *sata_device, sata_ioctl_data_t *ioc, int mode) { sata_drive_info_t *sdinfo; uint32_t info_len; char ap_info[SATA_ID_SERIAL_LEN + 1]; mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, sata_device->satadev_addr.cport)->cport_mutex); if (sata_device->satadev_addr.qual == SATA_ADDR_DCPORT) sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, sata_device->satadev_addr.cport); else /* port multiplier */ sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, sata_device->satadev_addr.cport, sata_device->satadev_addr.pmport); if (sdinfo == NULL) { mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, sata_device->satadev_addr.cport)->cport_mutex); return (EINVAL); } #ifdef _LITTLE_ENDIAN swab(sdinfo->satadrv_id.ai_drvser, ap_info, SATA_ID_SERIAL_LEN); #else /* _LITTLE_ENDIAN */ bcopy(sdinfo->satadrv_id.ai_drvser, ap_info, SATA_ID_SERIAL_LEN); #endif /* _LITTLE_ENDIAN */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, sata_device->satadev_addr.cport)->cport_mutex); ap_info[SATA_ID_SERIAL_LEN] = '\0'; info_len = strlen(ap_info) + 1; if (ioc->get_size) { if (ddi_copyout((void *)&info_len, ioc->buf, ioc->bufsiz, mode) != 0) return (EFAULT); } else { if (ioc->bufsiz < info_len) return (EINVAL); if (ddi_copyout((void *)ap_info, ioc->buf, ioc->bufsiz, mode) != 0) return (EFAULT); } return (0); } /* * Preset scsi extended sense data (to NO SENSE) * First 18 bytes of the sense data are preset to current valid sense * with a key NO SENSE data. * * Returns void */ static void sata_fixed_sense_data_preset(struct scsi_extended_sense *sense) { sense->es_valid = 1; /* Valid sense */ sense->es_class = CLASS_EXTENDED_SENSE; /* 0x70 - current err */ sense->es_key = KEY_NO_SENSE; sense->es_info_1 = 0; sense->es_info_2 = 0; sense->es_info_3 = 0; sense->es_info_4 = 0; sense->es_add_len = 10; /* Additional length - replace with a def */ sense->es_cmd_info[0] = 0; sense->es_cmd_info[1] = 0; sense->es_cmd_info[2] = 0; sense->es_cmd_info[3] = 0; sense->es_add_code = 0; sense->es_qual_code = 0; } /* * Register a legacy cmdk-style devid for the target (disk) device. * * Note: This function is called only when the HBA devinfo node has the * property "use-cmdk-devid-format" set. This property indicates that * devid compatible with old cmdk (target) driver is to be generated * for any target device attached to this controller. This will take * precedence over the devid generated by sd (target) driver. * This function is derived from cmdk_devid_setup() function in cmdk.c. */ static void sata_target_devid_register(dev_info_t *dip, sata_drive_info_t *sdinfo) { char *hwid; int modlen; int serlen; int rval; ddi_devid_t devid; /* * device ID is a concatanation of model number, "=", serial number. */ hwid = kmem_zalloc(LEGACY_HWID_LEN, KM_SLEEP); bcopy(&sdinfo->satadrv_id.ai_model, hwid, sizeof (sdinfo->satadrv_id.ai_model)); swab(hwid, hwid, sizeof (sdinfo->satadrv_id.ai_model)); modlen = sata_check_modser(hwid, sizeof (sdinfo->satadrv_id.ai_model)); if (modlen == 0) goto err; hwid[modlen++] = '='; bcopy(&sdinfo->satadrv_id.ai_drvser, &hwid[modlen], sizeof (sdinfo->satadrv_id.ai_drvser)); swab(&hwid[modlen], &hwid[modlen], sizeof (sdinfo->satadrv_id.ai_drvser)); serlen = sata_check_modser(&hwid[modlen], sizeof (sdinfo->satadrv_id.ai_drvser)); if (serlen == 0) goto err; hwid[modlen + serlen] = 0; /* terminate the hwid string */ /* initialize/register devid */ if ((rval = ddi_devid_init(dip, DEVID_ATA_SERIAL, (ushort_t)(modlen + serlen), hwid, &devid)) == DDI_SUCCESS) { rval = ddi_devid_register(dip, devid); /* * Free up the allocated devid buffer. * NOTE: This doesn't mean unregistering devid. */ ddi_devid_free(devid); } if (rval != DDI_SUCCESS) cmn_err(CE_WARN, "sata: failed to create devid for the disk" " on port %d", sdinfo->satadrv_addr.cport); err: kmem_free(hwid, LEGACY_HWID_LEN); } /* * valid model/serial string must contain a non-zero non-space characters. * trim trailing spaces/NULLs. */ static int sata_check_modser(char *buf, int buf_len) { boolean_t ret; char *s; int i; int tb; char ch; ret = B_FALSE; s = buf; for (i = 0; i < buf_len; i++) { ch = *s++; if (ch != ' ' && ch != '\0') tb = i + 1; if (ch != ' ' && ch != '\0' && ch != '0') ret = B_TRUE; } if (ret == B_FALSE) return (0); /* invalid string */ return (tb); /* return length */ } /* * sata_set_drive_features function compares current device features setting * with the saved device features settings and, if there is a difference, * it restores device features setting to the previously saved state. * It also arbitrarily tries to select the highest supported DMA mode. * Device Identify or Identify Packet Device data has to be current. * At the moment read ahead and write cache are considered for all devices. * For atapi devices, Removable Media Status Notification is set in addition * to common features. * * This function cannot be called in the interrupt context (it may sleep). * * The input argument sdinfo should point to the drive info structure * to be updated after features are set. Note, that only * device (packet) identify data is updated, not the flags indicating the * supported features. * * Returns SATA_SUCCESS if successful or there was nothing to do. * Device Identify data in the drive info structure pointed to by the sdinfo * arguments is updated even when no features were set or changed. * * Returns SATA_FAILURE if device features could not be set or DMA mode * for a disk cannot be set and device identify data cannot be fetched. * * Returns SATA_RETRY if device features could not be set (other than disk * DMA mode) but the device identify data was fetched successfully. * * Note: This function may fail the port, making it inaccessible. * In such case the explicit port disconnect/connect or physical device * detach/attach is required to re-evaluate port state again. */ static int sata_set_drive_features(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo, int restore) { int rval = SATA_SUCCESS; int rval_set; sata_drive_info_t new_sdinfo; char *finfo = "sata_set_drive_features: cannot"; char *finfox; int cache_op; bzero(&new_sdinfo, sizeof (sata_drive_info_t)); new_sdinfo.satadrv_addr = sdinfo->satadrv_addr; new_sdinfo.satadrv_type = sdinfo->satadrv_type; if (sata_fetch_device_identify_data(sata_hba_inst, &new_sdinfo) != 0) { /* * Cannot get device identification - caller may retry later */ SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, "%s fetch device identify data\n", finfo); return (SATA_FAILURE); } finfox = (restore != 0) ? " restore device features" : " initialize device features\n"; switch (sdinfo->satadrv_type) { case SATA_DTYPE_ATADISK: /* Arbitrarily set UDMA mode */ if (sata_set_dma_mode(sata_hba_inst, &new_sdinfo) != SATA_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "%s set UDMA mode\n", finfo)); return (SATA_FAILURE); } break; case SATA_DTYPE_ATAPICD: case SATA_DTYPE_ATAPITAPE: case SATA_DTYPE_ATAPIDISK: /* Set Removable Media Status Notification, if necessary */ if (SATA_RM_NOTIFIC_SUPPORTED(new_sdinfo.satadrv_id) && restore != 0) { if (((sdinfo->satadrv_settings & SATA_DEV_RMSN) && (!SATA_RM_NOTIFIC_ENABLED(new_sdinfo.satadrv_id)))|| ((!(sdinfo->satadrv_settings & SATA_DEV_RMSN)) && SATA_RM_NOTIFIC_ENABLED(new_sdinfo.satadrv_id))) { /* Current setting does not match saved one */ if (sata_set_rmsn(sata_hba_inst, sdinfo, sdinfo->satadrv_settings & SATA_DEV_RMSN) != SATA_SUCCESS) rval = SATA_FAILURE; } } /* * We have to set Multiword DMA or UDMA, if it is supported, as * we want to use DMA transfer mode whenever possible. * Some devices require explicit setting of the DMA mode. */ if (new_sdinfo.satadrv_id.ai_cap & SATA_DMA_SUPPORT) { /* Set highest supported DMA mode */ if (sata_set_dma_mode(sata_hba_inst, &new_sdinfo) != SATA_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "%s set UDMA mode\n", finfo)); rval = SATA_FAILURE; } } break; } if (!SATA_READ_AHEAD_SUPPORTED(new_sdinfo.satadrv_id) && !SATA_WRITE_CACHE_SUPPORTED(new_sdinfo.satadrv_id)) { /* * neither READ AHEAD nor WRITE CACHE is supported * - do nothing */ SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, "settable features not supported\n", NULL); goto update_sdinfo; } if ((SATA_READ_AHEAD_ENABLED(new_sdinfo.satadrv_id) && (sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD)) && (SATA_WRITE_CACHE_ENABLED(new_sdinfo.satadrv_id) && (sdinfo->satadrv_settings & SATA_DEV_WRITE_CACHE))) { /* * both READ AHEAD and WRITE CACHE are enabled * - Nothing to do */ SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, "no device features to set\n", NULL); goto update_sdinfo; } cache_op = 0; if (SATA_READ_AHEAD_SUPPORTED(new_sdinfo.satadrv_id)) { if ((sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD) && !SATA_READ_AHEAD_ENABLED(new_sdinfo.satadrv_id)) { /* Enable read ahead / read cache */ cache_op = SATAC_SF_ENABLE_READ_AHEAD; SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, "enabling read cache\n", NULL); } else if (!(sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD) && SATA_READ_AHEAD_ENABLED(new_sdinfo.satadrv_id)) { /* Disable read ahead / read cache */ cache_op = SATAC_SF_DISABLE_READ_AHEAD; SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, "disabling read cache\n", NULL); } if (cache_op != 0) { /* Try to set read cache mode */ rval_set = sata_set_cache_mode(sata_hba_inst, &new_sdinfo, cache_op); if (rval != SATA_FAILURE && rval_set != SATA_SUCCESS) rval = rval_set; } } cache_op = 0; if (SATA_WRITE_CACHE_SUPPORTED(new_sdinfo.satadrv_id)) { if ((sdinfo->satadrv_settings & SATA_DEV_WRITE_CACHE) && !SATA_WRITE_CACHE_ENABLED(new_sdinfo.satadrv_id)) { /* Enable write cache */ cache_op = SATAC_SF_ENABLE_WRITE_CACHE; SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, "enabling write cache\n", NULL); } else if (!(sdinfo->satadrv_settings & SATA_DEV_WRITE_CACHE) && SATA_WRITE_CACHE_ENABLED(new_sdinfo.satadrv_id)) { /* Disable write cache */ cache_op = SATAC_SF_DISABLE_WRITE_CACHE; SATADBG1(SATA_DBG_DEV_SETTINGS, sata_hba_inst, "disabling write cache\n", NULL); } if (cache_op != 0) { /* Try to set write cache mode */ rval_set = sata_set_cache_mode(sata_hba_inst, &new_sdinfo, cache_op); if (rval != SATA_FAILURE && rval_set != SATA_SUCCESS) rval = rval_set; } } if (rval != SATA_SUCCESS) SATA_LOG_D((sata_hba_inst, CE_WARN, "%s %s", finfo, finfox)); update_sdinfo: /* * We need to fetch Device Identify data again */ if (sata_fetch_device_identify_data(sata_hba_inst, &new_sdinfo) != 0) { /* * Cannot get device identification - retry later */ SATA_LOG_D((sata_hba_inst, CE_WARN, "%s re-fetch device identify data\n", finfo)); rval = SATA_FAILURE; } /* Copy device sata info. */ sdinfo->satadrv_id = new_sdinfo.satadrv_id; return (rval); } /* * * Returns 1 if threshold exceeded, 0 if threshold not exceeded, -1 if * unable to determine. * * Cannot be called in an interrupt context. * * Called by sata_build_lsense_page_2f() */ static int sata_fetch_smart_return_status(sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo) { sata_pkt_t *spkt; sata_cmd_t *scmd; sata_pkt_txlate_t *spx; int rval; spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); spx->txlt_sata_hba_inst = sata_hba_inst; spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ spkt = sata_pkt_alloc(spx, SLEEP_FUNC); if (spkt == NULL) { kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (-1); } /* address is needed now */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; /* Fill sata_pkt */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; /* Synchronous mode, no callback */ spkt->satapkt_comp = NULL; /* Timeout 30s */ spkt->satapkt_time = sata_default_pkt_time; scmd = &spkt->satapkt_cmd; scmd->satacmd_flags.sata_special_regs = B_TRUE; scmd->satacmd_flags.sata_data_direction = SATA_DIR_NODATA_XFER; /* Set up which registers need to be returned */ scmd->satacmd_flags.sata_copy_out_lba_mid_lsb = B_TRUE; scmd->satacmd_flags.sata_copy_out_lba_high_lsb = B_TRUE; /* Build SMART_RETURN_STATUS cmd in the sata_pkt */ scmd->satacmd_addr_type = 0; /* N/A */ scmd->satacmd_sec_count_lsb = 0; /* N/A */ scmd->satacmd_lba_low_lsb = 0; /* N/A */ scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; scmd->satacmd_features_reg = SATA_SMART_RETURN_STATUS; scmd->satacmd_device_reg = 0; /* Always device 0 */ scmd->satacmd_cmd_reg = SATAC_SMART; mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); /* Send pkt to SATA HBA driver */ if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != SATA_TRAN_ACCEPTED || spkt->satapkt_reason != SATA_PKT_COMPLETED) { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); /* * Whoops, no SMART RETURN STATUS */ rval = -1; } else { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); if (scmd->satacmd_error_reg & SATA_ERROR_ABORT) { rval = -1; goto fail; } if (scmd->satacmd_status_reg & SATA_STATUS_ERR) { rval = -1; goto fail; } if ((scmd->satacmd_lba_mid_lsb == SMART_MAGIC_VAL_1) && (scmd->satacmd_lba_high_lsb == SMART_MAGIC_VAL_2)) rval = 0; else if ((scmd->satacmd_lba_mid_lsb == SMART_MAGIC_VAL_3) && (scmd->satacmd_lba_high_lsb == SMART_MAGIC_VAL_4)) rval = 1; else { rval = -1; goto fail; } } fail: /* Free allocated resources */ sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (rval); } /* * * Returns 0 if succeeded, -1 otherwise * * Cannot be called in an interrupt context. * */ static int sata_fetch_smart_data( sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo, struct smart_data *smart_data) { sata_pkt_t *spkt; sata_cmd_t *scmd; sata_pkt_txlate_t *spx; int rval; dev_info_t *dip = SATA_DIP(sata_hba_inst); #if ! defined(lint) ASSERT(sizeof (struct smart_data) == 512); #endif spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); spx->txlt_sata_hba_inst = sata_hba_inst; spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ spkt = sata_pkt_alloc(spx, SLEEP_FUNC); if (spkt == NULL) { kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (-1); } /* address is needed now */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; /* Fill sata_pkt */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; /* Synchronous mode, no callback */ spkt->satapkt_comp = NULL; /* Timeout 30s */ spkt->satapkt_time = sata_default_pkt_time; scmd = &spkt->satapkt_cmd; scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; /* * Allocate buffer for SMART data */ scmd->satacmd_bp = sata_alloc_local_buffer(spx, sizeof (struct smart_data)); if (scmd->satacmd_bp == NULL) { sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_fetch_smart_data: " "cannot allocate buffer")); return (-1); } /* Build SMART_READ_DATA cmd in the sata_pkt */ scmd->satacmd_addr_type = 0; /* N/A */ scmd->satacmd_sec_count_lsb = 0; /* N/A */ scmd->satacmd_lba_low_lsb = 0; /* N/A */ scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; scmd->satacmd_features_reg = SATA_SMART_READ_DATA; scmd->satacmd_device_reg = 0; /* Always device 0 */ scmd->satacmd_cmd_reg = SATAC_SMART; mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); /* Send pkt to SATA HBA driver */ if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != SATA_TRAN_ACCEPTED || spkt->satapkt_reason != SATA_PKT_COMPLETED) { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); /* * Whoops, no SMART DATA available */ rval = -1; goto fail; } else { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); if (spx->txlt_buf_dma_handle != NULL) { rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, DDI_DMA_SYNC_FORKERNEL); ASSERT(rval == DDI_SUCCESS); if (sata_check_for_dma_error(dip, spx)) { ddi_fm_service_impact(dip, DDI_SERVICE_UNAFFECTED); rval = -1; goto fail; } } bcopy(scmd->satacmd_bp->b_un.b_addr, (uint8_t *)smart_data, sizeof (struct smart_data)); } fail: /* Free allocated resources */ sata_free_local_buffer(spx); sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (rval); } /* * Used by LOG SENSE page 0x10 * Reads (in synchronous mode) the self test log data using Read Log Ext cmd. * Note: cannot be called in the interrupt context. * * return 0 for success, -1 otherwise * */ static int sata_ext_smart_selftest_read_log( sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo, struct smart_ext_selftest_log *ext_selftest_log, uint16_t block_num) { sata_pkt_txlate_t *spx; sata_pkt_t *spkt; sata_cmd_t *scmd; int rval; dev_info_t *dip = SATA_DIP(sata_hba_inst); #if ! defined(lint) ASSERT(sizeof (struct smart_ext_selftest_log) == 512); #endif spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); spx->txlt_sata_hba_inst = sata_hba_inst; spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ spkt = sata_pkt_alloc(spx, SLEEP_FUNC); if (spkt == NULL) { kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (-1); } /* address is needed now */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; /* Fill sata_pkt */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; /* Synchronous mode, no callback */ spkt->satapkt_comp = NULL; /* Timeout 30s */ spkt->satapkt_time = sata_default_pkt_time; scmd = &spkt->satapkt_cmd; scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; /* * Allocate buffer for SMART extended self-test log */ scmd->satacmd_bp = sata_alloc_local_buffer(spx, sizeof (struct smart_ext_selftest_log)); if (scmd->satacmd_bp == NULL) { sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_ext_smart_selftest_log: " "cannot allocate buffer")); return (-1); } /* Build READ LOG EXT w/ extended self-test log cmd in the sata_pkt */ scmd->satacmd_addr_type = ATA_ADDR_LBA48; scmd->satacmd_sec_count_lsb = 1; /* One sector of selftest log */ scmd->satacmd_sec_count_msb = 0; /* One sector of selftest log */ scmd->satacmd_lba_low_lsb = EXT_SMART_SELFTEST_LOG_PAGE; scmd->satacmd_lba_low_msb = 0; scmd->satacmd_lba_mid_lsb = block_num & 0xff; scmd->satacmd_lba_mid_msb = block_num >> 8; scmd->satacmd_device_reg = 0; /* Always device 0 */ scmd->satacmd_cmd_reg = SATAC_READ_LOG_EXT; mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); /* Send pkt to SATA HBA driver */ if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != SATA_TRAN_ACCEPTED || spkt->satapkt_reason != SATA_PKT_COMPLETED) { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); /* * Whoops, no SMART selftest log info available */ rval = -1; goto fail; } else { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); if (spx->txlt_buf_dma_handle != NULL) { rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, DDI_DMA_SYNC_FORKERNEL); ASSERT(rval == DDI_SUCCESS); if (sata_check_for_dma_error(dip, spx)) { ddi_fm_service_impact(dip, DDI_SERVICE_UNAFFECTED); rval = -1; goto fail; } } bcopy(scmd->satacmd_bp->b_un.b_addr, (uint8_t *)ext_selftest_log, sizeof (struct smart_ext_selftest_log)); rval = 0; } fail: /* Free allocated resources */ sata_free_local_buffer(spx); sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (rval); } /* * Returns 0 for success, -1 otherwise * * SMART self-test log data is returned in buffer pointed to by selftest_log */ static int sata_smart_selftest_log( sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo, struct smart_selftest_log *selftest_log) { sata_pkt_t *spkt; sata_cmd_t *scmd; sata_pkt_txlate_t *spx; int rval; dev_info_t *dip = SATA_DIP(sata_hba_inst); #if ! defined(lint) ASSERT(sizeof (struct smart_selftest_log) == 512); #endif spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); spx->txlt_sata_hba_inst = sata_hba_inst; spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ spkt = sata_pkt_alloc(spx, SLEEP_FUNC); if (spkt == NULL) { kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (-1); } /* address is needed now */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; /* Fill sata_pkt */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; /* Synchronous mode, no callback */ spkt->satapkt_comp = NULL; /* Timeout 30s */ spkt->satapkt_time = sata_default_pkt_time; scmd = &spkt->satapkt_cmd; scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; /* * Allocate buffer for SMART SELFTEST LOG */ scmd->satacmd_bp = sata_alloc_local_buffer(spx, sizeof (struct smart_selftest_log)); if (scmd->satacmd_bp == NULL) { sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_smart_selftest_log: " "cannot allocate buffer")); return (-1); } /* Build SMART_READ_LOG cmd in the sata_pkt */ scmd->satacmd_addr_type = 0; /* N/A */ scmd->satacmd_sec_count_lsb = 1; /* One sector of SMART log */ scmd->satacmd_lba_low_lsb = SMART_SELFTEST_LOG_PAGE; scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; scmd->satacmd_features_reg = SATA_SMART_READ_LOG; scmd->satacmd_device_reg = 0; /* Always device 0 */ scmd->satacmd_cmd_reg = SATAC_SMART; mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); /* Send pkt to SATA HBA driver */ if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != SATA_TRAN_ACCEPTED || spkt->satapkt_reason != SATA_PKT_COMPLETED) { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); /* * Whoops, no SMART DATA available */ rval = -1; goto fail; } else { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); if (spx->txlt_buf_dma_handle != NULL) { rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, DDI_DMA_SYNC_FORKERNEL); ASSERT(rval == DDI_SUCCESS); if (sata_check_for_dma_error(dip, spx)) { ddi_fm_service_impact(dip, DDI_SERVICE_UNAFFECTED); rval = -1; goto fail; } } bcopy(scmd->satacmd_bp->b_un.b_addr, (uint8_t *)selftest_log, sizeof (struct smart_selftest_log)); rval = 0; } fail: /* Free allocated resources */ sata_free_local_buffer(spx); sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (rval); } /* * Returns 0 for success, -1 otherwise * * SMART READ LOG data is returned in buffer pointed to by smart_log */ static int sata_smart_read_log( sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo, uint8_t *smart_log, /* where the data should be returned */ uint8_t which_log, /* which log should be returned */ uint8_t log_size) /* # of 512 bytes in log */ { sata_pkt_t *spkt; sata_cmd_t *scmd; sata_pkt_txlate_t *spx; int rval; dev_info_t *dip = SATA_DIP(sata_hba_inst); spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); spx->txlt_sata_hba_inst = sata_hba_inst; spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ spkt = sata_pkt_alloc(spx, SLEEP_FUNC); if (spkt == NULL) { kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (-1); } /* address is needed now */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; /* Fill sata_pkt */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; /* Synchronous mode, no callback */ spkt->satapkt_comp = NULL; /* Timeout 30s */ spkt->satapkt_time = sata_default_pkt_time; scmd = &spkt->satapkt_cmd; scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; /* * Allocate buffer for SMART READ LOG */ scmd->satacmd_bp = sata_alloc_local_buffer(spx, log_size * 512); if (scmd->satacmd_bp == NULL) { sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_smart_read_log: " "cannot allocate buffer")); return (-1); } /* Build SMART_READ_LOG cmd in the sata_pkt */ scmd->satacmd_addr_type = 0; /* N/A */ scmd->satacmd_sec_count_lsb = log_size; /* what the caller asked for */ scmd->satacmd_lba_low_lsb = which_log; /* which log page */ scmd->satacmd_lba_mid_lsb = SMART_MAGIC_VAL_1; scmd->satacmd_lba_high_lsb = SMART_MAGIC_VAL_2; scmd->satacmd_features_reg = SATA_SMART_READ_LOG; scmd->satacmd_device_reg = 0; /* Always device 0 */ scmd->satacmd_cmd_reg = SATAC_SMART; mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); /* Send pkt to SATA HBA driver */ if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != SATA_TRAN_ACCEPTED || spkt->satapkt_reason != SATA_PKT_COMPLETED) { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); /* * Whoops, no SMART DATA available */ rval = -1; goto fail; } else { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); if (spx->txlt_buf_dma_handle != NULL) { rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, DDI_DMA_SYNC_FORKERNEL); ASSERT(rval == DDI_SUCCESS); if (sata_check_for_dma_error(dip, spx)) { ddi_fm_service_impact(dip, DDI_SERVICE_UNAFFECTED); rval = -1; goto fail; } } bcopy(scmd->satacmd_bp->b_un.b_addr, smart_log, log_size * 512); rval = 0; } fail: /* Free allocated resources */ sata_free_local_buffer(spx); sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (rval); } /* * Used by LOG SENSE page 0x10 * * return 0 for success, -1 otherwise * */ static int sata_read_log_ext_directory( sata_hba_inst_t *sata_hba_inst, sata_drive_info_t *sdinfo, struct read_log_ext_directory *logdir) { sata_pkt_txlate_t *spx; sata_pkt_t *spkt; sata_cmd_t *scmd; int rval; dev_info_t *dip = SATA_DIP(sata_hba_inst); #if ! defined(lint) ASSERT(sizeof (struct read_log_ext_directory) == 512); #endif spx = kmem_zalloc(sizeof (sata_pkt_txlate_t), KM_SLEEP); spx->txlt_sata_hba_inst = sata_hba_inst; spx->txlt_scsi_pkt = NULL; /* No scsi pkt involved */ spkt = sata_pkt_alloc(spx, SLEEP_FUNC); if (spkt == NULL) { kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (-1); } /* Fill sata_pkt */ spkt->satapkt_device.satadev_addr = sdinfo->satadrv_addr; spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; /* Synchronous mode, no callback */ spkt->satapkt_comp = NULL; /* Timeout 30s */ spkt->satapkt_time = sata_default_pkt_time; scmd = &spkt->satapkt_cmd; scmd->satacmd_flags.sata_data_direction = SATA_DIR_READ; /* * Allocate buffer for SMART READ LOG EXTENDED command */ scmd->satacmd_bp = sata_alloc_local_buffer(spx, sizeof (struct read_log_ext_directory)); if (scmd->satacmd_bp == NULL) { sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_read_log_ext_directory: " "cannot allocate buffer")); return (-1); } /* Build READ LOG EXT w/ log directory cmd in the sata_pkt */ scmd->satacmd_addr_type = ATA_ADDR_LBA48; scmd->satacmd_sec_count_lsb = 1; /* One sector of directory */ scmd->satacmd_sec_count_msb = 0; /* One sector of directory */ scmd->satacmd_lba_low_lsb = READ_LOG_EXT_LOG_DIRECTORY; scmd->satacmd_lba_low_msb = 0; scmd->satacmd_lba_mid_lsb = 0; scmd->satacmd_lba_mid_msb = 0; scmd->satacmd_device_reg = 0; /* Always device 0 */ scmd->satacmd_cmd_reg = SATAC_READ_LOG_EXT; mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); /* Send pkt to SATA HBA driver */ if ((*SATA_START_FUNC(sata_hba_inst))(SATA_DIP(sata_hba_inst), spkt) != SATA_TRAN_ACCEPTED || spkt->satapkt_reason != SATA_PKT_COMPLETED) { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); /* * Whoops, no SMART selftest log info available */ rval = -1; goto fail; } else { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, sdinfo->satadrv_addr.cport))); if (spx->txlt_buf_dma_handle != NULL) { rval = ddi_dma_sync(spx->txlt_buf_dma_handle, 0, 0, DDI_DMA_SYNC_FORKERNEL); ASSERT(rval == DDI_SUCCESS); if (sata_check_for_dma_error(dip, spx)) { ddi_fm_service_impact(dip, DDI_SERVICE_UNAFFECTED); rval = -1; goto fail; } } bcopy(scmd->satacmd_bp->b_un.b_addr, (uint8_t *)logdir, sizeof (struct read_log_ext_directory)); rval = 0; } fail: /* Free allocated resources */ sata_free_local_buffer(spx); sata_pkt_free(spx); kmem_free(spx, sizeof (sata_pkt_txlate_t)); return (rval); } /* * Set up error retrieval sata command for NCQ command error data * recovery. * * Returns SATA_SUCCESS when data buffer is allocated and packet set-up, * returns SATA_FAILURE otherwise. */ static int sata_ncq_err_ret_cmd_setup(sata_pkt_txlate_t *spx, sata_drive_info_t *sdinfo) { #ifndef __lock_lint _NOTE(ARGUNUSED(sdinfo)) #endif sata_pkt_t *spkt = spx->txlt_sata_pkt; sata_cmd_t *scmd; struct buf *bp; /* Operation modes are up to the caller */ spkt->satapkt_op_mode = SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS; /* Synchronous mode, no callback - may be changed by the caller */ spkt->satapkt_comp = NULL; spkt->satapkt_time = sata_default_pkt_time; scmd = &spkt->satapkt_cmd; bcopy(&sata_rle_cmd, scmd, sizeof (sata_cmd_t)); scmd->satacmd_flags.sata_ignore_dev_reset = B_TRUE; /* * Allocate dma_able buffer error data. * Buffer allocation will take care of buffer alignment and other DMA * attributes. */ bp = sata_alloc_local_buffer(spx, sizeof (struct sata_ncq_error_recovery_page)); if (bp == NULL) return (SATA_FAILURE); bp_mapin(bp); /* make data buffer accessible */ scmd->satacmd_bp = bp; /* * Set-up pointer to the buffer handle, so HBA can sync buffer * before accessing it. Handle is in usual place in translate struct. */ scmd->satacmd_err_ret_buf_handle = &spx->txlt_buf_dma_handle; ASSERT(scmd->satacmd_num_dma_cookies != 0); ASSERT(scmd->satacmd_dma_cookie_list != NULL); return (SATA_SUCCESS); } /* * sata_xlate_errors() is used to translate (S)ATA error * information to SCSI information returned in the SCSI * packet. */ static void sata_xlate_errors(sata_pkt_txlate_t *spx) { struct scsi_pkt *scsipkt = spx->txlt_scsi_pkt; struct scsi_extended_sense *sense; scsipkt->pkt_reason = CMD_INCOMPLETE; *scsipkt->pkt_scbp = STATUS_CHECK; sense = sata_arq_sense(spx); switch (spx->txlt_sata_pkt->satapkt_reason) { case SATA_PKT_PORT_ERROR: /* * We have no device data. Assume no data transfered. */ sense->es_key = KEY_HARDWARE_ERROR; break; case SATA_PKT_DEV_ERROR: if (spx->txlt_sata_pkt->satapkt_cmd.satacmd_status_reg & SATA_STATUS_ERR) { /* * determine dev error reason from error * reg content */ sata_decode_device_error(spx, sense); break; } /* No extended sense key - no info available */ break; case SATA_PKT_TIMEOUT: scsipkt->pkt_reason = CMD_TIMEOUT; scsipkt->pkt_statistics |= STAT_TIMEOUT | STAT_DEV_RESET; /* No extended sense key */ break; case SATA_PKT_ABORTED: scsipkt->pkt_reason = CMD_ABORTED; scsipkt->pkt_statistics |= STAT_ABORTED; /* No extended sense key */ break; case SATA_PKT_RESET: /* * pkt aborted either by an explicit reset request from * a host, or due to error recovery */ scsipkt->pkt_reason = CMD_RESET; scsipkt->pkt_statistics |= STAT_DEV_RESET; break; default: scsipkt->pkt_reason = CMD_TRAN_ERR; break; } } /* * Log sata message * dev pathname msg line preceeds the logged message. */ static void sata_log(sata_hba_inst_t *sata_hba_inst, uint_t level, char *fmt, ...) { char pathname[128]; dev_info_t *dip = NULL; va_list ap; mutex_enter(&sata_log_mutex); va_start(ap, fmt); (void) vsprintf(sata_log_buf, fmt, ap); va_end(ap); if (sata_hba_inst != NULL) { dip = SATA_DIP(sata_hba_inst); (void) ddi_pathname(dip, pathname); } else { pathname[0] = 0; } if (level == CE_CONT) { if (sata_debug_flags == 0) cmn_err(level, "?%s:\n %s\n", pathname, sata_log_buf); else cmn_err(level, "%s:\n %s\n", pathname, sata_log_buf); } else { if (level != CE_NOTE) { cmn_err(level, "%s:\n %s", pathname, sata_log_buf); } else if (sata_msg) { cmn_err(level, "%s:\n %s", pathname, sata_log_buf); } } /* sata trace debug */ sata_trace_debug(dip, sata_log_buf); mutex_exit(&sata_log_mutex); } /* ******** Asynchronous HBA events handling & hotplugging support ******** */ /* * Start or terminate the thread, depending on flag arg and current state */ static void sata_event_thread_control(int startstop) { static int sata_event_thread_terminating = 0; static int sata_event_thread_starting = 0; int i; mutex_enter(&sata_event_mutex); if (startstop == 0 && (sata_event_thread_starting == 1 || sata_event_thread_terminating == 1)) { mutex_exit(&sata_event_mutex); return; } if (startstop == 1 && sata_event_thread_starting == 1) { mutex_exit(&sata_event_mutex); return; } if (startstop == 1 && sata_event_thread_terminating == 1) { sata_event_thread_starting = 1; /* wait til terminate operation completes */ i = SATA_EVNT_DAEMON_TERM_WAIT/SATA_EVNT_DAEMON_TERM_TIMEOUT; while (sata_event_thread_terminating == 1) { if (i-- <= 0) { sata_event_thread_starting = 0; mutex_exit(&sata_event_mutex); #ifdef SATA_DEBUG cmn_err(CE_WARN, "sata_event_thread_control: " "timeout waiting for thread to terminate"); #endif return; } mutex_exit(&sata_event_mutex); delay(drv_usectohz(SATA_EVNT_DAEMON_TERM_TIMEOUT)); mutex_enter(&sata_event_mutex); } } if (startstop == 1) { if (sata_event_thread == NULL) { sata_event_thread = thread_create(NULL, 0, (void (*)())sata_event_daemon, &sata_hba_list, 0, &p0, TS_RUN, minclsyspri); } sata_event_thread_starting = 0; mutex_exit(&sata_event_mutex); return; } /* * If we got here, thread may need to be terminated */ if (sata_event_thread != NULL) { int i; /* Signal event thread to go away */ sata_event_thread_terminating = 1; sata_event_thread_terminate = 1; cv_signal(&sata_event_cv); /* * Wait til daemon terminates. */ i = SATA_EVNT_DAEMON_TERM_WAIT/SATA_EVNT_DAEMON_TERM_TIMEOUT; while (sata_event_thread_terminate == 1) { mutex_exit(&sata_event_mutex); if (i-- <= 0) { /* Daemon did not go away !!! */ #ifdef SATA_DEBUG cmn_err(CE_WARN, "sata_event_thread_control: " "cannot terminate event daemon thread"); #endif mutex_enter(&sata_event_mutex); break; } delay(drv_usectohz(SATA_EVNT_DAEMON_TERM_TIMEOUT)); mutex_enter(&sata_event_mutex); } sata_event_thread_terminating = 0; } ASSERT(sata_event_thread_terminating == 0); ASSERT(sata_event_thread_starting == 0); mutex_exit(&sata_event_mutex); } /* * SATA HBA event notification function. * Events reported by SATA HBA drivers per HBA instance relate to a change in * a port and/or device state or a controller itself. * Events for different addresses/addr types cannot be combined. * A warning message is generated for each event type. * Events are not processed by this function, so only the * event flag(s)is set for an affected entity and the event thread is * waken up. Event daemon thread processes all events. * * NOTE: Since more than one event may be reported at the same time, one * cannot determine a sequence of events when opposite event are reported, eg. * LINK_LOST and LINK_ESTABLISHED. Actual port status during event processing * is taking precedence over reported events, i.e. may cause ignoring some * events. */ #define SATA_EVENT_MAX_MSG_LENGTH 79 void sata_hba_event_notify(dev_info_t *dip, sata_device_t *sata_device, int event) { sata_hba_inst_t *sata_hba_inst = NULL; sata_address_t *saddr; sata_pmult_info_t *pmultinfo; sata_drive_info_t *sdinfo; sata_port_stats_t *pstats; sata_cport_info_t *cportinfo; sata_pmport_info_t *pmportinfo; int cport, pmport; char buf1[SATA_EVENT_MAX_MSG_LENGTH + 1]; char buf2[SATA_EVENT_MAX_MSG_LENGTH + 1]; char *lcp; static char *err_msg_evnt_1 = "sata_hba_event_notify: invalid port event 0x%x "; static char *err_msg_evnt_2 = "sata_hba_event_notify: invalid device event 0x%x "; int linkevent; /* * There is a possibility that an event will be generated on HBA * that has not completed attachment or is detaching. We still want * to process events until HBA is detached. */ mutex_enter(&sata_mutex); for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; sata_hba_inst = sata_hba_inst->satahba_next) { if (SATA_DIP(sata_hba_inst) == dip) if (sata_hba_inst->satahba_attached == 1) break; } mutex_exit(&sata_mutex); if (sata_hba_inst == NULL) /* HBA not attached */ return; ASSERT(sata_device != NULL); /* * Validate address before - do not proceed with invalid address. */ saddr = &sata_device->satadev_addr; if (saddr->cport >= SATA_NUM_CPORTS(sata_hba_inst)) return; cport = saddr->cport; pmport = saddr->pmport; buf1[0] = buf2[0] = '\0'; /* * If event relates to port or device, check port state. * Port has to be initialized, or we cannot accept an event. */ if ((saddr->qual & (SATA_ADDR_CPORT | SATA_ADDR_PMPORT | SATA_ADDR_DCPORT | SATA_ADDR_DPMPORT | SATA_ADDR_PMULT)) != 0) { mutex_enter(&sata_hba_inst->satahba_mutex); cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); mutex_exit(&sata_hba_inst->satahba_mutex); if (cportinfo == NULL || cportinfo->cport_state == 0) return; } if ((saddr->qual & (SATA_ADDR_PMULT | SATA_ADDR_PMPORT | SATA_ADDR_DPMPORT)) != 0) { if (cportinfo->cport_dev_type != SATA_DTYPE_PMULT) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_event_notify: Non-pmult device (0x%x)" "is attached to port %d, ignore pmult/pmport " "event 0x%x", cportinfo->cport_dev_type, cport, event)); return; } mutex_enter(&cportinfo->cport_mutex); pmultinfo = SATA_PMULT_INFO(sata_hba_inst, cport); mutex_exit(&cportinfo->cport_mutex); /* * The daemon might be processing attachment of port * multiplier, in that case we should ignore events on its * sub-devices. * * NOTE: Only pmult_state is checked in sata_hba_event_notify. * The pmport_state is checked by sata daemon. */ if (pmultinfo == NULL || pmultinfo->pmult_state == SATA_STATE_UNKNOWN) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_event_notify: pmult is not" "available at port %d:%d, ignore event 0x%x", cport, pmport, event)); return; } } if ((saddr->qual & (SATA_ADDR_PMPORT | SATA_ADDR_DPMPORT)) != 0) { mutex_enter(&cportinfo->cport_mutex); if (pmport > SATA_NUM_PMPORTS(sata_hba_inst, cport)) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_event_notify: invalid/" "un-implemented port %d:%d (%d ports), " "ignore event 0x%x", cport, pmport, SATA_NUM_PMPORTS(sata_hba_inst, cport), event)); mutex_exit(&cportinfo->cport_mutex); return; } mutex_exit(&cportinfo->cport_mutex); mutex_enter(&sata_hba_inst->satahba_mutex); pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); mutex_exit(&sata_hba_inst->satahba_mutex); /* pmport is implemented/valid? */ if (pmportinfo == NULL) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_event_notify: invalid/" "un-implemented port %d:%d, ignore " "event 0x%x", cport, pmport, event)); return; } } /* * Events refer to devices, ports and controllers - each has * unique address. Events for different addresses cannot be combined. */ if (saddr->qual & (SATA_ADDR_CPORT | SATA_ADDR_PMPORT)) { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); /* qualify this event(s) */ if ((event & SATA_EVNT_PORT_EVENTS) == 0) { /* Invalid event for the device port */ (void) sprintf(buf2, err_msg_evnt_1, event & SATA_EVNT_PORT_EVENTS); mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); goto event_info; } if (saddr->qual == SATA_ADDR_CPORT) { /* Controller's device port event */ (SATA_CPORT_INFO(sata_hba_inst, cport))-> cport_event_flags |= event & SATA_EVNT_PORT_EVENTS; pstats = &(SATA_CPORT_INFO(sata_hba_inst, cport))-> cport_stats; } else { mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); mutex_enter(&pmportinfo->pmport_mutex); /* Port multiplier's device port event */ (SATA_PMPORT_INFO(sata_hba_inst, cport, pmport))-> pmport_event_flags |= event & SATA_EVNT_PORT_EVENTS; pstats = &(SATA_PMPORT_INFO(sata_hba_inst, cport, pmport))-> pmport_stats; mutex_exit(&pmportinfo->pmport_mutex); mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); } /* * Add to statistics and log the message. We have to do it * here rather than in the event daemon, because there may be * multiple events occuring before they are processed. */ linkevent = event & (SATA_EVNT_LINK_LOST | SATA_EVNT_LINK_ESTABLISHED); if (linkevent) { if (linkevent == (SATA_EVNT_LINK_LOST | SATA_EVNT_LINK_ESTABLISHED)) { /* This is likely event combination */ (void) strlcat(buf1, "link lost/established, ", SATA_EVENT_MAX_MSG_LENGTH); if (pstats->link_lost < 0xffffffffffffffffULL) pstats->link_lost++; if (pstats->link_established < 0xffffffffffffffffULL) pstats->link_established++; linkevent = 0; } else if (linkevent & SATA_EVNT_LINK_LOST) { (void) strlcat(buf1, "link lost, ", SATA_EVENT_MAX_MSG_LENGTH); if (pstats->link_lost < 0xffffffffffffffffULL) pstats->link_lost++; } else { (void) strlcat(buf1, "link established, ", SATA_EVENT_MAX_MSG_LENGTH); if (pstats->link_established < 0xffffffffffffffffULL) pstats->link_established++; } } if (event & SATA_EVNT_DEVICE_ATTACHED) { (void) strlcat(buf1, "device attached, ", SATA_EVENT_MAX_MSG_LENGTH); if (pstats->device_attached < 0xffffffffffffffffULL) pstats->device_attached++; } if (event & SATA_EVNT_DEVICE_DETACHED) { (void) strlcat(buf1, "device detached, ", SATA_EVENT_MAX_MSG_LENGTH); if (pstats->device_detached < 0xffffffffffffffffULL) pstats->device_detached++; } if (event & SATA_EVNT_PWR_LEVEL_CHANGED) { SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, "port %d power level changed", cport); if (pstats->port_pwr_changed < 0xffffffffffffffffULL) pstats->port_pwr_changed++; } if ((event & ~SATA_EVNT_PORT_EVENTS) != 0) { /* There should be no other events for this address */ (void) sprintf(buf2, err_msg_evnt_1, event & ~SATA_EVNT_PORT_EVENTS); } mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); } else if (saddr->qual & (SATA_ADDR_DCPORT | SATA_ADDR_DPMPORT)) { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); /* qualify this event */ if ((event & SATA_EVNT_DEVICE_RESET) == 0) { /* Invalid event for a device */ (void) sprintf(buf2, err_msg_evnt_2, event & SATA_EVNT_DEVICE_RESET); mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); goto event_info; } /* drive event */ sdinfo = sata_get_device_info(sata_hba_inst, sata_device); if (sdinfo != NULL) { if (event & SATA_EVNT_DEVICE_RESET) { (void) strlcat(buf1, "device reset, ", SATA_EVENT_MAX_MSG_LENGTH); if (sdinfo->satadrv_stats.drive_reset < 0xffffffffffffffffULL) sdinfo->satadrv_stats.drive_reset++; sdinfo->satadrv_event_flags |= SATA_EVNT_DEVICE_RESET; } } if ((event & ~SATA_EVNT_DEVICE_RESET) != 0) { /* Invalid event for a device */ (void) sprintf(buf2, err_msg_evnt_2, event & ~SATA_EVNT_DRIVE_EVENTS); } mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); } else if (saddr->qual == SATA_ADDR_PMULT) { mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); /* qualify this event */ if ((event & (SATA_EVNT_DEVICE_RESET | SATA_EVNT_PMULT_LINK_CHANGED)) == 0) { /* Invalid event for a port multiplier */ (void) sprintf(buf2, err_msg_evnt_2, event & SATA_EVNT_DEVICE_RESET); mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); goto event_info; } pmultinfo = SATA_PMULT_INFO(sata_hba_inst, cport); if (event & SATA_EVNT_DEVICE_RESET) { SATADBG1(SATA_DBG_PMULT, sata_hba_inst, "[Reset] port-mult on cport %d", cport); pmultinfo->pmult_event_flags |= SATA_EVNT_DEVICE_RESET; (void) strlcat(buf1, "pmult reset, ", SATA_EVENT_MAX_MSG_LENGTH); } if (event & SATA_EVNT_PMULT_LINK_CHANGED) { SATADBG1(SATA_DBG_PMULT, sata_hba_inst, "pmult link changed on cport %d", cport); pmultinfo->pmult_event_flags |= SATA_EVNT_PMULT_LINK_CHANGED; (void) strlcat(buf1, "pmult link changed, ", SATA_EVENT_MAX_MSG_LENGTH); } mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, cport))); } else { if (saddr->qual != SATA_ADDR_NULL) { /* Wrong address qualifier */ SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_event_notify: invalid address 0x%x", *(uint32_t *)saddr)); return; } if ((event & SATA_EVNT_CONTROLLER_EVENTS) == 0 || (event & ~SATA_EVNT_CONTROLLER_EVENTS) != 0) { /* Invalid event for the controller */ SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_event_notify: invalid event 0x%x for " "controller", event & SATA_EVNT_CONTROLLER_EVENTS)); return; } buf1[0] = '\0'; /* This may be a frequent and not interesting event */ SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, "controller power level changed\n", NULL); mutex_enter(&sata_hba_inst->satahba_mutex); if (sata_hba_inst->satahba_stats.ctrl_pwr_change < 0xffffffffffffffffULL) sata_hba_inst->satahba_stats.ctrl_pwr_change++; sata_hba_inst->satahba_event_flags |= SATA_EVNT_PWR_LEVEL_CHANGED; mutex_exit(&sata_hba_inst->satahba_mutex); } /* * If we got here, there is something to do with this HBA * instance. */ mutex_enter(&sata_hba_inst->satahba_mutex); sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; mutex_exit(&sata_hba_inst->satahba_mutex); mutex_enter(&sata_mutex); sata_event_pending |= SATA_EVNT_MAIN; /* global event indicator */ mutex_exit(&sata_mutex); /* Tickle event thread */ mutex_enter(&sata_event_mutex); if (sata_event_thread_active == 0) cv_signal(&sata_event_cv); mutex_exit(&sata_event_mutex); event_info: if (buf1[0] != '\0') { lcp = strrchr(buf1, ','); if (lcp != NULL) *lcp = '\0'; } if (saddr->qual == SATA_ADDR_CPORT || saddr->qual == SATA_ADDR_DCPORT) { if (buf1[0] != '\0') { sata_log(sata_hba_inst, CE_NOTE, "port %d: %s\n", cport, buf1); } if (buf2[0] != '\0') { sata_log(sata_hba_inst, CE_NOTE, "port %d: %s\n", cport, buf2); } } else if (saddr->qual == SATA_ADDR_PMPORT || saddr->qual == SATA_ADDR_DPMPORT) { if (buf1[0] != '\0') { sata_log(sata_hba_inst, CE_NOTE, "port %d pmport %d: %s\n", cport, pmport, buf1); } if (buf2[0] != '\0') { sata_log(sata_hba_inst, CE_NOTE, "port %d pmport %d: %s\n", cport, pmport, buf2); } } } /* * Event processing thread. * Arg is a pointer to the sata_hba_list pointer. * It is not really needed, because sata_hba_list is global and static */ static void sata_event_daemon(void *arg) { #ifndef __lock_lint _NOTE(ARGUNUSED(arg)) #endif sata_hba_inst_t *sata_hba_inst; clock_t delta; SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, "SATA event daemon started\n", NULL); loop: /* * Process events here. Walk through all registered HBAs */ mutex_enter(&sata_mutex); for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; sata_hba_inst = sata_hba_inst->satahba_next) { ASSERT(sata_hba_inst != NULL); mutex_enter(&sata_hba_inst->satahba_mutex); if (sata_hba_inst->satahba_attached == 0 || (sata_hba_inst->satahba_event_flags & SATA_EVNT_SKIP) != 0) { mutex_exit(&sata_hba_inst->satahba_mutex); continue; } if (sata_hba_inst->satahba_event_flags & SATA_EVNT_MAIN) { sata_hba_inst->satahba_event_flags |= SATA_EVNT_SKIP; mutex_exit(&sata_hba_inst->satahba_mutex); mutex_exit(&sata_mutex); /* Got the controller with pending event */ sata_process_controller_events(sata_hba_inst); /* * Since global mutex was released, there is a * possibility that HBA list has changed, so start * over from the top. Just processed controller * will be passed-over because of the SKIP flag. */ goto loop; } mutex_exit(&sata_hba_inst->satahba_mutex); } /* Clear SKIP flag in all controllers */ for (sata_hba_inst = sata_hba_list; sata_hba_inst != NULL; sata_hba_inst = sata_hba_inst->satahba_next) { mutex_enter(&sata_hba_inst->satahba_mutex); sata_hba_inst->satahba_event_flags &= ~SATA_EVNT_SKIP; mutex_exit(&sata_hba_inst->satahba_mutex); } mutex_exit(&sata_mutex); SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, "SATA EVENT DAEMON suspending itself", NULL); #ifdef SATA_DEBUG if ((sata_func_enable & SATA_ENABLE_PROCESS_EVENTS) == 0) { sata_log(sata_hba_inst, CE_WARN, "SATA EVENTS PROCESSING DISABLED\n"); thread_exit(); /* Daemon will not run again */ } #endif mutex_enter(&sata_event_mutex); sata_event_thread_active = 0; mutex_exit(&sata_event_mutex); /* * Go to sleep/suspend itself and wake up either because new event or * wait timeout. Exit if there is a termination request (driver * unload). */ delta = drv_usectohz(SATA_EVNT_DAEMON_SLEEP_TIME); do { mutex_enter(&sata_event_mutex); (void) cv_reltimedwait(&sata_event_cv, &sata_event_mutex, delta, TR_CLOCK_TICK); if (sata_event_thread_active != 0) { mutex_exit(&sata_event_mutex); continue; } /* Check if it is time to go away */ if (sata_event_thread_terminate == 1) { /* * It is up to the thread setting above flag to make * sure that this thread is not killed prematurely. */ sata_event_thread_terminate = 0; sata_event_thread = NULL; mutex_exit(&sata_event_mutex); SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, "SATA_EVENT_DAEMON_TERMINATING", NULL); thread_exit(); { _NOTE(NOT_REACHED) } } mutex_exit(&sata_event_mutex); } while (!(sata_event_pending & SATA_EVNT_MAIN)); mutex_enter(&sata_event_mutex); sata_event_thread_active = 1; mutex_exit(&sata_event_mutex); mutex_enter(&sata_mutex); sata_event_pending &= ~SATA_EVNT_MAIN; mutex_exit(&sata_mutex); SATADBG1(SATA_DBG_EVENTS_DAEMON, NULL, "SATA EVENT DAEMON READY TO PROCESS EVENT", NULL); goto loop; } /* * Specific HBA instance event processing. * * NOTE: At the moment, device event processing is limited to hard disks * only. * Port multiplier is supported now. */ static void sata_process_controller_events(sata_hba_inst_t *sata_hba_inst) { int ncport; uint32_t event_flags; sata_address_t *saddr; sata_cport_info_t *cportinfo; sata_pmult_info_t *pmultinfo; SATADBG1(SATA_DBG_EVENTS_CNTRL, sata_hba_inst, "Processing controller %d event(s)", ddi_get_instance(SATA_DIP(sata_hba_inst))); mutex_enter(&sata_hba_inst->satahba_mutex); sata_hba_inst->satahba_event_flags &= ~SATA_EVNT_MAIN; event_flags = sata_hba_inst->satahba_event_flags; mutex_exit(&sata_hba_inst->satahba_mutex); /* * Process controller power change first * HERE */ if (event_flags & SATA_EVNT_PWR_LEVEL_CHANGED) sata_process_cntrl_pwr_level_change(sata_hba_inst); /* * Search through ports/devices to identify affected port/device. * We may have to process events for more than one port/device. */ for (ncport = 0; ncport < SATA_NUM_CPORTS(sata_hba_inst); ncport++) { /* * Not all ports may be processed in attach by the time we * get an event. Check if port info is initialized. */ mutex_enter(&sata_hba_inst->satahba_mutex); cportinfo = SATA_CPORT_INFO(sata_hba_inst, ncport); mutex_exit(&sata_hba_inst->satahba_mutex); if (cportinfo == NULL || cportinfo->cport_state == NULL) continue; /* We have initialized controller port info */ mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); event_flags = (SATA_CPORT_INFO(sata_hba_inst, ncport))-> cport_event_flags; /* Check if port was locked by IOCTL processing */ if (event_flags & SATA_APCTL_LOCK_PORT_BUSY) { /* * We ignore port events because port is busy * with AP control processing. Set again * controller and main event flag, so that * events may be processed by the next daemon * run. */ mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); mutex_enter(&sata_hba_inst->satahba_mutex); sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; mutex_exit(&sata_hba_inst->satahba_mutex); mutex_enter(&sata_mutex); sata_event_pending |= SATA_EVNT_MAIN; mutex_exit(&sata_mutex); SATADBG1(SATA_DBG_EVENTS_PROCPST, sata_hba_inst, "Event processing postponed until " "AP control processing completes", NULL); /* Check other ports */ continue; } else { /* * Set BSY flag so that AP control would not * interfere with events processing for * this port. */ (SATA_CPORT_INFO(sata_hba_inst, ncport))-> cport_event_flags |= SATA_EVNT_LOCK_PORT_BUSY; } mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); saddr = &(SATA_CPORT_INFO(sata_hba_inst, ncport))->cport_addr; if ((event_flags & (SATA_EVNT_PORT_EVENTS | SATA_EVNT_DRIVE_EVENTS)) != 0) { /* * Got port event. * We need some hierarchy of event processing as they * are affecting each other: * 1. port failed * 2. device detached/attached * 3. link events - link events may trigger device * detached or device attached events in some * circumstances. * 4. port power level changed */ if (event_flags & SATA_EVNT_PORT_FAILED) { sata_process_port_failed_event(sata_hba_inst, saddr); } if (event_flags & SATA_EVNT_DEVICE_DETACHED) { sata_process_device_detached(sata_hba_inst, saddr); } if (event_flags & SATA_EVNT_DEVICE_ATTACHED) { sata_process_device_attached(sata_hba_inst, saddr); } if (event_flags & (SATA_EVNT_LINK_ESTABLISHED | SATA_EVNT_LINK_LOST)) { sata_process_port_link_events(sata_hba_inst, saddr); } if (event_flags & SATA_EVNT_PWR_LEVEL_CHANGED) { sata_process_port_pwr_change(sata_hba_inst, saddr); } if (event_flags & SATA_EVNT_TARGET_NODE_CLEANUP) { sata_process_target_node_cleanup( sata_hba_inst, saddr); } if (event_flags & SATA_EVNT_AUTOONLINE_DEVICE) { sata_process_device_autoonline( sata_hba_inst, saddr); } } /* * Scan port multiplier and all its sub-ports event flags. * The events are marked by * (1) sata_pmult_info.pmult_event_flags * (2) sata_pmport_info.pmport_event_flags */ mutex_enter(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); if (cportinfo->cport_dev_type == SATA_DTYPE_PMULT) { /* * There should be another extra check: this * port multiplier still exists? */ pmultinfo = SATA_PMULT_INFO(sata_hba_inst, ncport); if (pmultinfo != NULL) { mutex_exit(&(SATA_CPORT_MUTEX( sata_hba_inst, ncport))); sata_process_pmult_events( sata_hba_inst, ncport); mutex_enter(&(SATA_CPORT_MUTEX( sata_hba_inst, ncport))); } else { SATADBG1(SATA_DBG_PMULT, sata_hba_inst, "Port-multiplier is gone. " "Ignore all sub-device events " "at port %d.", ncport); } } if ((SATA_CPORT_DEV_TYPE(sata_hba_inst, ncport) != SATA_DTYPE_NONE) && (SATA_CPORT_DRV_INFO(sata_hba_inst, ncport) != NULL)) { if (SATA_CPORT_DRV_INFO(sata_hba_inst, ncport)-> satadrv_event_flags & (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) { /* Have device event */ sata_process_device_reset(sata_hba_inst, saddr); } } /* Release PORT_BUSY flag */ (SATA_CPORT_INFO(sata_hba_inst, ncport))-> cport_event_flags &= ~SATA_EVNT_LOCK_PORT_BUSY; mutex_exit(&(SATA_CPORT_MUTEX(sata_hba_inst, ncport))); } /* End of loop through the controller SATA ports */ } /* * Specific port multiplier instance event processing. At the moment, device * event processing is limited to link/attach event only. * * NOTE: power management event is not supported yet. */ static void sata_process_pmult_events(sata_hba_inst_t *sata_hba_inst, uint8_t cport) { sata_cport_info_t *cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); sata_pmult_info_t *pmultinfo; sata_pmport_info_t *pmportinfo; sata_address_t *saddr; sata_device_t sata_device; uint32_t event_flags; int npmport; int rval; SATADBG2(SATA_DBG_EVENTS_CNTRL|SATA_DBG_PMULT, sata_hba_inst, "Processing pmult event(s) on cport %d of controller %d", cport, ddi_get_instance(SATA_DIP(sata_hba_inst))); /* First process events on port multiplier */ mutex_enter(&cportinfo->cport_mutex); pmultinfo = SATA_PMULT_INFO(sata_hba_inst, cport); event_flags = pmultinfo->pmult_event_flags; /* * Reset event (of port multiplier) has higher priority because the * port multiplier itself might be failed or removed after reset. */ if (event_flags & SATA_EVNT_DEVICE_RESET) { /* * The status of the sub-links are uncertain, * so mark all sub-ports as RESET */ for (npmport = 0; npmport < SATA_NUM_PMPORTS( sata_hba_inst, cport); npmport ++) { pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, npmport); if (pmportinfo == NULL) { /* That's weird. */ SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_hba_event_notify: " "invalid/un-implemented " "port %d:%d (%d ports), ", cport, npmport, SATA_NUM_PMPORTS( sata_hba_inst, cport))); continue; } mutex_enter(&pmportinfo->pmport_mutex); /* Mark all pmport to unknow state. */ pmportinfo->pmport_state = SATA_STATE_UNKNOWN; /* Mark all pmports with link events. */ pmportinfo->pmport_event_flags = (SATA_EVNT_LINK_ESTABLISHED|SATA_EVNT_LINK_LOST); mutex_exit(&pmportinfo->pmport_mutex); } } else if (event_flags & SATA_EVNT_PMULT_LINK_CHANGED) { /* * We need probe the port multiplier to know what has * happened. */ bzero(&sata_device, sizeof (sata_device_t)); sata_device.satadev_rev = SATA_DEVICE_REV; sata_device.satadev_addr.cport = cport; sata_device.satadev_addr.pmport = SATA_PMULT_HOSTPORT; sata_device.satadev_addr.qual = SATA_ADDR_PMULT; mutex_exit(&cportinfo->cport_mutex); rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device); mutex_enter(&cportinfo->cport_mutex); if (rval != SATA_SUCCESS) { /* Something went wrong? Fail the port */ cportinfo->cport_state = SATA_PSTATE_FAILED; mutex_exit(&cportinfo->cport_mutex); SATA_LOG_D((sata_hba_inst, CE_WARN, "SATA port %d probing failed", cport)); /* PMult structure must be released. */ sata_free_pmult(sata_hba_inst, &sata_device); return; } sata_update_port_info(sata_hba_inst, &sata_device); /* * Sanity check - Port is active? Is the link active? * The device is still a port multiplier? */ if ((cportinfo->cport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) || ((cportinfo->cport_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP) || (cportinfo->cport_dev_type != SATA_DTYPE_PMULT)) { mutex_exit(&cportinfo->cport_mutex); /* PMult structure must be released. */ sata_free_pmult(sata_hba_inst, &sata_device); return; } /* Probed succeed, set port ready. */ cportinfo->cport_state |= SATA_STATE_PROBED | SATA_STATE_READY; } /* Release port multiplier event flags. */ pmultinfo->pmult_event_flags &= ~(SATA_EVNT_DEVICE_RESET|SATA_EVNT_PMULT_LINK_CHANGED); mutex_exit(&cportinfo->cport_mutex); /* * Check all sub-links. */ for (npmport = 0; npmport < SATA_NUM_PMPORTS(sata_hba_inst, cport); npmport ++) { pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, npmport); mutex_enter(&pmportinfo->pmport_mutex); event_flags = pmportinfo->pmport_event_flags; mutex_exit(&pmportinfo->pmport_mutex); saddr = &pmportinfo->pmport_addr; if ((event_flags & (SATA_EVNT_PORT_EVENTS | SATA_EVNT_DRIVE_EVENTS)) != 0) { /* * Got port multiplier port event. * We need some hierarchy of event processing as they * are affecting each other: * 1. device detached/attached * 2. link events - link events may trigger device * detached or device attached events in some * circumstances. */ if (event_flags & SATA_EVNT_DEVICE_DETACHED) { sata_process_pmdevice_detached(sata_hba_inst, saddr); } if (event_flags & SATA_EVNT_DEVICE_ATTACHED) { sata_process_pmdevice_attached(sata_hba_inst, saddr); } if (event_flags & SATA_EVNT_LINK_ESTABLISHED || event_flags & SATA_EVNT_LINK_LOST) { sata_process_pmport_link_events(sata_hba_inst, saddr); } if (event_flags & SATA_EVNT_TARGET_NODE_CLEANUP) { sata_process_target_node_cleanup( sata_hba_inst, saddr); } } /* Checking drive event(s). */ mutex_enter(&pmportinfo->pmport_mutex); if (pmportinfo->pmport_dev_type != SATA_DTYPE_NONE && pmportinfo->pmport_sata_drive != NULL) { event_flags = pmportinfo->pmport_sata_drive-> satadrv_event_flags; if (event_flags & (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) { /* Have device event */ sata_process_pmdevice_reset(sata_hba_inst, saddr); } } mutex_exit(&pmportinfo->pmport_mutex); /* Release PORT_BUSY flag */ mutex_enter(&cportinfo->cport_mutex); cportinfo->cport_event_flags &= ~SATA_EVNT_LOCK_PORT_BUSY; mutex_exit(&cportinfo->cport_mutex); } SATADBG2(SATA_DBG_EVENTS_CNTRL|SATA_DBG_PMULT, sata_hba_inst, "[DONE] pmult event(s) on cport %d of controller %d", cport, ddi_get_instance(SATA_DIP(sata_hba_inst))); } /* * Process HBA power level change reported by HBA driver. * Not implemented at this time - event is ignored. */ static void sata_process_cntrl_pwr_level_change(sata_hba_inst_t *sata_hba_inst) { SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing controller power level change", NULL); /* Ignoring it for now */ mutex_enter(&sata_hba_inst->satahba_mutex); sata_hba_inst->satahba_event_flags &= ~SATA_EVNT_PWR_LEVEL_CHANGED; mutex_exit(&sata_hba_inst->satahba_mutex); } /* * Process port power level change reported by HBA driver. * Not implemented at this time - event is ignored. */ static void sata_process_port_pwr_change(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr) { sata_cport_info_t *cportinfo; SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port power level change", NULL); cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); /* Reset event flag */ cportinfo->cport_event_flags &= ~SATA_EVNT_PWR_LEVEL_CHANGED; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); } /* * Process port failure reported by HBA driver. * cports support only - no pmports. */ static void sata_process_port_failed_event(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr) { sata_cport_info_t *cportinfo; cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); /* Reset event flag first */ cportinfo->cport_event_flags &= ~SATA_EVNT_PORT_FAILED; /* If the port is in SHUTDOWN or FAILED state, ignore this event. */ if ((cportinfo->cport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) == 0) { mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> cport_mutex); return; } /* Fail the port */ cportinfo->cport_state = SATA_PSTATE_FAILED; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); sata_log(sata_hba_inst, CE_WARN, "SATA port %d failed", saddr->cport); } /* * Device Reset Event processing. * The sequence is managed by 3 stage flags: * - reset event reported, * - reset event being processed, * - request to clear device reset state. * * NOTE: This function has to be entered with cport mutex held. It exits with * mutex held as well, but can release mutex during the processing. */ static void sata_process_device_reset(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr) { sata_drive_info_t old_sdinfo; /* local copy of the drive info */ sata_drive_info_t *sdinfo; sata_cport_info_t *cportinfo; sata_device_t sata_device; int rval_probe, rval_set; /* We only care about host sata cport for now */ cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, saddr->cport); /* * If the port is in SHUTDOWN or FAILED state, or device is in FAILED * state, ignore reset event. */ if (((cportinfo->cport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) || (sdinfo->satadrv_state & SATA_DSTATE_FAILED) != 0) { sdinfo->satadrv_event_flags &= ~(SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET); return; } if ((SATA_CPORT_DEV_TYPE(sata_hba_inst, saddr->cport) == SATA_DTYPE_PMULT)) { /* * Should not happened: this is already handled in * sata_hba_event_notify() */ mutex_exit(&cportinfo->cport_mutex); goto done; } if ((SATA_CPORT_DEV_TYPE(sata_hba_inst, saddr->cport) & SATA_VALID_DEV_TYPE) == 0) { /* * This should not happen - coding error. * But we can recover, so do not panic, just clean up * and if in debug mode, log the message. */ #ifdef SATA_DEBUG sata_log(sata_hba_inst, CE_WARN, "sata_process_device_reset: " "Invalid device type with sdinfo!", NULL); #endif sdinfo->satadrv_event_flags = 0; return; } #ifdef SATA_DEBUG if ((sdinfo->satadrv_event_flags & (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) == 0) { /* Nothing to do */ /* Something is weird - why we are processing dev reset? */ SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "No device reset event!!!!", NULL); return; } if ((sdinfo->satadrv_event_flags & (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) == (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) { /* Something is weird - new device reset event */ SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Overlapping device reset events!", NULL); } #endif SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port %d device reset", saddr->cport); /* Clear event flag */ sdinfo->satadrv_event_flags &= ~SATA_EVNT_DEVICE_RESET; /* It seems that we always need to check the port state first */ sata_device.satadev_rev = SATA_DEVICE_REV; sata_device.satadev_addr = *saddr; /* * We have to exit mutex, because the HBA probe port function may * block on its own mutex. */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); rval_probe = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); sata_update_port_info(sata_hba_inst, &sata_device); if (rval_probe != SATA_SUCCESS) { /* Something went wrong? Fail the port */ cportinfo->cport_state = SATA_PSTATE_FAILED; sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, saddr->cport); if (sdinfo != NULL) sdinfo->satadrv_event_flags = 0; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> cport_mutex); SATA_LOG_D((sata_hba_inst, CE_WARN, "SATA port %d probing failed", saddr->cport)); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); return; } if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP || sata_device.satadev_type == SATA_DTYPE_NONE) { /* * No device to process, anymore. Some other event processing * would or have already performed port info cleanup. * To be safe (HBA may need it), request clearing device * reset condition. */ sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, saddr->cport); if (sdinfo != NULL) { sdinfo->satadrv_event_flags &= ~SATA_EVNT_INPROC_DEVICE_RESET; sdinfo->satadrv_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; } return; } sdinfo = SATA_CPORT_DRV_INFO(sata_hba_inst, saddr->cport); if (sdinfo == NULL) { return; } if ((sdinfo->satadrv_event_flags & SATA_EVNT_INPROC_DEVICE_RESET) == 0) { /* * Start tracking time for device feature restoration and * identification. Save current time (lbolt value). */ sdinfo->satadrv_reset_time = ddi_get_lbolt(); } /* Mark device reset processing as active */ sdinfo->satadrv_event_flags |= SATA_EVNT_INPROC_DEVICE_RESET; old_sdinfo = *sdinfo; /* local copy of the drive info */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); rval_set = sata_set_drive_features(sata_hba_inst, &old_sdinfo, 1); if (rval_set != SATA_SUCCESS) { /* * Restoring drive setting failed. * Probe the port first, to check if the port state has changed */ sata_device.satadev_rev = SATA_DEVICE_REV; sata_device.satadev_addr = *saddr; sata_device.satadev_addr.qual = SATA_ADDR_CPORT; /* probe port */ rval_probe = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> cport_mutex); if (rval_probe == SATA_SUCCESS && (sata_device.satadev_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) == 0 && (sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) == SATA_PORT_DEVLINK_UP && sata_device.satadev_type != SATA_DTYPE_NONE) { /* * We may retry this a bit later - in-process reset * condition should be already set. * Track retry time for device identification. */ if ((cportinfo->cport_dev_type & SATA_VALID_DEV_TYPE) != 0 && SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL && sdinfo->satadrv_reset_time != 0) { clock_t cur_time = ddi_get_lbolt(); /* * If the retry time limit was not * exceeded, retry. */ if ((cur_time - sdinfo->satadrv_reset_time) < drv_usectohz(SATA_DEV_REPROBE_TIMEOUT)) { mutex_enter( &sata_hba_inst->satahba_mutex); sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; mutex_exit( &sata_hba_inst->satahba_mutex); mutex_enter(&sata_mutex); sata_event_pending |= SATA_EVNT_MAIN; mutex_exit(&sata_mutex); return; } if (rval_set == SATA_RETRY) { /* * Setting drive features failed, but * the drive is still accessible, * so emit a warning message before * return. */ mutex_exit(&SATA_CPORT_INFO( sata_hba_inst, saddr->cport)->cport_mutex); goto done; } } /* Fail the drive */ sdinfo->satadrv_state = SATA_DSTATE_FAILED; sata_log(sata_hba_inst, CE_WARN, "SATA device at port %d - device failed", saddr->cport); DTRACE_PROBE(port_failed_f); } /* * No point of retrying - device failed or some other event * processing or already did or will do port info cleanup. * To be safe (HBA may need it), * request clearing device reset condition. */ sdinfo->satadrv_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; sdinfo->satadrv_event_flags &= ~SATA_EVNT_INPROC_DEVICE_RESET; sdinfo->satadrv_reset_time = 0; return; } done: /* * If setting of drive features failed, but the drive is still * accessible, emit a warning message. */ if (rval_set == SATA_RETRY) { sata_log(sata_hba_inst, CE_WARN, "SATA device at port %d - desired setting could not be " "restored after reset. Device may not operate as expected.", saddr->cport); } /* * Raise the flag indicating that the next sata command could * be sent with SATA_CLEAR_DEV_RESET_STATE flag, if no new device * reset is reported. */ mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { sdinfo->satadrv_reset_time = 0; if ((cportinfo->cport_dev_type & SATA_VALID_DEV_TYPE) != 0) { sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); sdinfo->satadrv_event_flags &= ~SATA_EVNT_INPROC_DEVICE_RESET; sdinfo->satadrv_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; } } } /* * Port Multiplier Port Device Reset Event processing. * * NOTE: This function has to be entered with pmport mutex held. It exits with * mutex held as well, but can release mutex during the processing. */ static void sata_process_pmdevice_reset(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr) { sata_drive_info_t old_sdinfo; /* local copy of the drive info */ sata_drive_info_t *sdinfo = NULL; sata_cport_info_t *cportinfo = NULL; sata_pmport_info_t *pmportinfo = NULL; sata_pmult_info_t *pminfo = NULL; sata_device_t sata_device; uint8_t cport = saddr->cport; uint8_t pmport = saddr->pmport; int rval; SATADBG2(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing drive reset at port %d:%d", cport, pmport); cportinfo = SATA_CPORT_INFO(sata_hba_inst, cport); pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, cport, pmport); /* * If the port is in SHUTDOWN or FAILED state, or device is in FAILED * state, ignore reset event. */ if (((cportinfo->cport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) || (sdinfo->satadrv_state & SATA_DSTATE_FAILED) != 0) { sdinfo->satadrv_event_flags &= ~(SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET); return; } if ((pmportinfo->pmport_dev_type & SATA_VALID_DEV_TYPE) == 0) { /* * This should not happen - coding error. * But we can recover, so do not panic, just clean up * and if in debug mode, log the message. */ #ifdef SATA_DEBUG sata_log(sata_hba_inst, CE_WARN, "sata_process_pmdevice_reset: " "Invalid device type with sdinfo!", NULL); #endif sdinfo->satadrv_event_flags = 0; return; } #ifdef SATA_DEBUG if ((sdinfo->satadrv_event_flags & (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) == 0) { /* Nothing to do */ /* Something is weird - why we are processing dev reset? */ SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "No device reset event!!!!", NULL); return; } if ((sdinfo->satadrv_event_flags & (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) == (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) { /* Something is weird - new device reset event */ SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Overlapping device reset events!", NULL); } #endif SATADBG2(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port %d:%d device reset", cport, pmport); /* Clear event flag */ sdinfo->satadrv_event_flags &= ~SATA_EVNT_DEVICE_RESET; /* It seems that we always need to check the port state first */ sata_device.satadev_rev = SATA_DEVICE_REV; sata_device.satadev_addr = *saddr; /* * We have to exit mutex, because the HBA probe port function may * block on its own mutex. */ mutex_exit(&pmportinfo->pmport_mutex); rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device); mutex_enter(&pmportinfo->pmport_mutex); sata_update_pmport_info(sata_hba_inst, &sata_device); if (rval != SATA_SUCCESS) { /* Something went wrong? Fail the port */ pmportinfo->pmport_state = SATA_PSTATE_FAILED; sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, saddr->cport, saddr->pmport); if (sdinfo != NULL) sdinfo->satadrv_event_flags = 0; mutex_exit(&pmportinfo->pmport_mutex); SATA_LOG_D((sata_hba_inst, CE_WARN, "SATA port %d:%d probing failed", saddr->cport, saddr->pmport)); mutex_enter(&pmportinfo->pmport_mutex); return; } if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP || sata_device.satadev_type == SATA_DTYPE_NONE) { /* * No device to process, anymore. Some other event processing * would or have already performed port info cleanup. * To be safe (HBA may need it), request clearing device * reset condition. */ sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, saddr->cport, saddr->pmport); if (sdinfo != NULL) { sdinfo->satadrv_event_flags &= ~SATA_EVNT_INPROC_DEVICE_RESET; /* must clear flags on cport */ pminfo = SATA_PMULT_INFO(sata_hba_inst, saddr->cport); pminfo->pmult_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; } return; } sdinfo = SATA_PMPORT_DRV_INFO(sata_hba_inst, saddr->cport, saddr->pmport); if (sdinfo == NULL) { return; } if ((sdinfo->satadrv_event_flags & SATA_EVNT_INPROC_DEVICE_RESET) == 0) { /* * Start tracking time for device feature restoration and * identification. Save current time (lbolt value). */ sdinfo->satadrv_reset_time = ddi_get_lbolt(); } /* Mark device reset processing as active */ sdinfo->satadrv_event_flags |= SATA_EVNT_INPROC_DEVICE_RESET; old_sdinfo = *sdinfo; /* local copy of the drive info */ mutex_exit(&pmportinfo->pmport_mutex); if (sata_set_drive_features(sata_hba_inst, &old_sdinfo, 1) == SATA_FAILURE) { /* * Restoring drive setting failed. * Probe the port first, to check if the port state has changed */ sata_device.satadev_rev = SATA_DEVICE_REV; sata_device.satadev_addr = *saddr; sata_device.satadev_addr.qual = SATA_ADDR_PMPORT; /* probe port */ rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device); mutex_enter(&pmportinfo->pmport_mutex); if (rval == SATA_SUCCESS && (sata_device.satadev_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) == 0 && (sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) == SATA_PORT_DEVLINK_UP && sata_device.satadev_type != SATA_DTYPE_NONE) { /* * We may retry this a bit later - in-process reset * condition should be already set. * Track retry time for device identification. */ if ((pmportinfo->pmport_dev_type & SATA_VALID_DEV_TYPE) != 0 && SATA_PMPORTINFO_DRV_INFO(pmportinfo) != NULL && sdinfo->satadrv_reset_time != 0) { clock_t cur_time = ddi_get_lbolt(); /* * If the retry time limit was not * exceeded, retry. */ if ((cur_time - sdinfo->satadrv_reset_time) < drv_usectohz(SATA_DEV_REPROBE_TIMEOUT)) { mutex_enter( &sata_hba_inst->satahba_mutex); sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; mutex_exit( &sata_hba_inst->satahba_mutex); mutex_enter(&sata_mutex); sata_event_pending |= SATA_EVNT_MAIN; mutex_exit(&sata_mutex); return; } } /* Fail the drive */ sdinfo->satadrv_state = SATA_DSTATE_FAILED; sata_log(sata_hba_inst, CE_WARN, "SATA device at port %d:%d - device failed", saddr->cport, saddr->pmport); } else { /* * No point of retrying - some other event processing * would or already did port info cleanup. * To be safe (HBA may need it), * request clearing device reset condition. */ sdinfo->satadrv_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; } sdinfo->satadrv_event_flags &= ~SATA_EVNT_INPROC_DEVICE_RESET; sdinfo->satadrv_reset_time = 0; return; } /* * Raise the flag indicating that the next sata command could * be sent with SATA_CLEAR_DEV_RESET_STATE flag, if no new device * reset is reported. */ mutex_enter(&pmportinfo->pmport_mutex); if (SATA_PMPORTINFO_DRV_INFO(pmportinfo) != NULL) { sdinfo->satadrv_reset_time = 0; if (pmportinfo->pmport_dev_type & SATA_VALID_DEV_TYPE) { sdinfo = SATA_PMPORTINFO_DRV_INFO(pmportinfo); sdinfo->satadrv_event_flags &= ~SATA_EVNT_INPROC_DEVICE_RESET; /* must clear flags on cport */ pminfo = SATA_PMULT_INFO(sata_hba_inst, saddr->cport); pminfo->pmult_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; } } } /* * Port Link Events processing. * Every link established event may involve device reset (due to * COMRESET signal, equivalent of the hard reset) so arbitrarily * set device reset event for an attached device (if any). * If the port is in SHUTDOWN or FAILED state, ignore link events. * * The link established event processing varies, depending on the state * of the target node, HBA hotplugging capabilities, state of the port. * If the link is not active, the link established event is ignored. * If HBA cannot detect device attachment and there is no target node, * the link established event triggers device attach event processing. * Else, link established event triggers device reset event processing. * * The link lost event processing varies, depending on a HBA hotplugging * capability and the state of the port (link active or not active). * If the link is active, the lost link event is ignored. * If HBA cannot detect device removal, the lost link event triggers * device detached event processing after link lost timeout. * Else, the event is ignored. * * NOTE: Port multiplier ports events are handled by * sata_process_pmport_link_events(); */ static void sata_process_port_link_events(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr) { sata_device_t sata_device; sata_cport_info_t *cportinfo; sata_drive_info_t *sdinfo; uint32_t event_flags; int rval; SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port %d link event(s)", saddr->cport); cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); event_flags = cportinfo->cport_event_flags; /* Reset event flags first */ cportinfo->cport_event_flags &= ~(SATA_EVNT_LINK_ESTABLISHED | SATA_EVNT_LINK_LOST); /* If the port is in SHUTDOWN or FAILED state, ignore link events. */ if ((cportinfo->cport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> cport_mutex); return; } /* * For the sanity sake get current port state. * Set device address only. Other sata_device fields should be * set by HBA driver. */ sata_device.satadev_rev = SATA_DEVICE_REV; sata_device.satadev_addr = *saddr; /* * We have to exit mutex, because the HBA probe port function may * block on its own mutex. */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); sata_update_port_info(sata_hba_inst, &sata_device); if (rval != SATA_SUCCESS) { /* Something went wrong? Fail the port */ cportinfo->cport_state = SATA_PSTATE_FAILED; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> cport_mutex); SATA_LOG_D((sata_hba_inst, CE_WARN, "SATA port %d probing failed", saddr->cport)); /* * We may want to release device info structure, but * it is not necessary. */ return; } else { /* port probed successfully */ cportinfo->cport_state |= SATA_STATE_PROBED | SATA_STATE_READY; } if (event_flags & SATA_EVNT_LINK_ESTABLISHED) { if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP) { /* Ignore event */ SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Ignoring port %d link established event - " "link down", saddr->cport); goto linklost; } SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port %d link established event", saddr->cport); /* * For the sanity sake check if a device is attached - check * return state of a port probing. */ if (sata_device.satadev_type != SATA_DTYPE_NONE) { /* * HBA port probe indicated that there is a device * attached. Check if the framework had device info * structure attached for this device. */ if (cportinfo->cport_dev_type != SATA_DTYPE_NONE) { ASSERT(SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL); sdinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); if ((sdinfo->satadrv_type & SATA_VALID_DEV_TYPE) != 0) { /* * Dev info structure is present. * If dev_type is set to known type in * the framework's drive info struct * then the device existed before and * the link was probably lost * momentarily - in such case * we may want to check device * identity. * Identity check is not supported now. * * Link established event * triggers device reset event. */ (SATA_CPORTINFO_DRV_INFO(cportinfo))-> satadrv_event_flags |= SATA_EVNT_DEVICE_RESET; } } else if (cportinfo->cport_dev_type == SATA_DTYPE_NONE) { /* * We got new device attached! If HBA does not * generate device attached events, trigger it * here. */ if (!(SATA_FEATURES(sata_hba_inst) & SATA_CTLF_HOTPLUG)) { cportinfo->cport_event_flags |= SATA_EVNT_DEVICE_ATTACHED; } } /* Reset link lost timeout */ cportinfo->cport_link_lost_time = 0; } } linklost: if (event_flags & SATA_EVNT_LINK_LOST) { if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) == SATA_PORT_DEVLINK_UP) { /* Ignore event */ SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Ignoring port %d link lost event - link is up", saddr->cport); goto done; } #ifdef SATA_DEBUG if (cportinfo->cport_link_lost_time == 0) { SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port %d link lost event", saddr->cport); } #endif /* * When HBA cannot generate device attached/detached events, * we need to track link lost time and eventually generate * device detach event. */ if (!(SATA_FEATURES(sata_hba_inst) & SATA_CTLF_HOTPLUG)) { /* We are tracking link lost time */ if (cportinfo->cport_link_lost_time == 0) { /* save current time (lbolt value) */ cportinfo->cport_link_lost_time = ddi_get_lbolt(); /* just keep link lost event */ cportinfo->cport_event_flags |= SATA_EVNT_LINK_LOST; } else { clock_t cur_time = ddi_get_lbolt(); if ((cur_time - cportinfo->cport_link_lost_time) >= drv_usectohz( SATA_EVNT_LINK_LOST_TIMEOUT)) { /* trigger device detach event */ cportinfo->cport_event_flags |= SATA_EVNT_DEVICE_DETACHED; cportinfo->cport_link_lost_time = 0; SATADBG1(SATA_DBG_EVENTS, sata_hba_inst, "Triggering port %d " "device detached event", saddr->cport); } else { /* keep link lost event */ cportinfo->cport_event_flags |= SATA_EVNT_LINK_LOST; } } } /* * We could change port state to disable/delay access to * the attached device until the link is recovered. */ } done: event_flags = cportinfo->cport_event_flags; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); if (event_flags != 0) { mutex_enter(&sata_hba_inst->satahba_mutex); sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; mutex_exit(&sata_hba_inst->satahba_mutex); mutex_enter(&sata_mutex); sata_event_pending |= SATA_EVNT_MAIN; mutex_exit(&sata_mutex); } } /* * Port Multiplier Port Link Events processing. */ static void sata_process_pmport_link_events(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr) { sata_device_t sata_device; sata_pmport_info_t *pmportinfo = NULL; sata_drive_info_t *sdinfo = NULL; uint32_t event_flags; uint8_t cport = saddr->cport; uint8_t pmport = saddr->pmport; int rval; SATADBG2(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port %d:%d link event(s)", cport, pmport); pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); mutex_enter(&pmportinfo->pmport_mutex); event_flags = pmportinfo->pmport_event_flags; /* Reset event flags first */ pmportinfo->pmport_event_flags &= ~(SATA_EVNT_LINK_ESTABLISHED | SATA_EVNT_LINK_LOST); /* If the port is in SHUTDOWN or FAILED state, ignore link events. */ if ((pmportinfo->pmport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { mutex_exit(&pmportinfo->pmport_mutex); return; } /* * For the sanity sake get current port state. * Set device address only. Other sata_device fields should be * set by HBA driver. */ sata_device.satadev_rev = SATA_DEVICE_REV; sata_device.satadev_addr = *saddr; /* * We have to exit mutex, because the HBA probe port function may * block on its own mutex. */ mutex_exit(&SATA_PMPORT_MUTEX(sata_hba_inst, saddr->cport, saddr->pmport)); rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device); mutex_enter(&SATA_PMPORT_MUTEX(sata_hba_inst, saddr->cport, saddr->pmport)); sata_update_pmport_info(sata_hba_inst, &sata_device); if (rval != SATA_SUCCESS) { /* Something went wrong? Fail the port */ pmportinfo->pmport_state = SATA_PSTATE_FAILED; mutex_exit(&SATA_PMPORT_MUTEX(sata_hba_inst, saddr->cport, saddr->pmport)); SATA_LOG_D((sata_hba_inst, CE_WARN, "SATA port %d:%d probing failed", saddr->cport, saddr->pmport)); /* * We may want to release device info structure, but * it is not necessary. */ return; } else { /* port probed successfully */ pmportinfo->pmport_state |= SATA_STATE_PROBED | SATA_STATE_READY; } mutex_exit(&SATA_PMPORT_MUTEX(sata_hba_inst, saddr->cport, saddr->pmport)); mutex_enter(&SATA_PMPORT_MUTEX(sata_hba_inst, saddr->cport, saddr->pmport)); if (event_flags & SATA_EVNT_LINK_ESTABLISHED) { if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP) { /* Ignore event */ SATADBG2(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Ignoring port %d:%d link established event - " "link down", saddr->cport, saddr->pmport); goto linklost; } SATADBG2(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port %d:%d link established event", cport, pmport); /* * For the sanity sake check if a device is attached - check * return state of a port probing. */ if (sata_device.satadev_type != SATA_DTYPE_NONE && sata_device.satadev_type != SATA_DTYPE_PMULT) { /* * HBA port probe indicated that there is a device * attached. Check if the framework had device info * structure attached for this device. */ if (pmportinfo->pmport_dev_type != SATA_DTYPE_NONE) { ASSERT(SATA_PMPORTINFO_DRV_INFO(pmportinfo) != NULL); sdinfo = SATA_PMPORTINFO_DRV_INFO(pmportinfo); if ((sdinfo->satadrv_type & SATA_VALID_DEV_TYPE) != 0) { /* * Dev info structure is present. * If dev_type is set to known type in * the framework's drive info struct * then the device existed before and * the link was probably lost * momentarily - in such case * we may want to check device * identity. * Identity check is not supported now. * * Link established event * triggers device reset event. */ (SATA_PMPORTINFO_DRV_INFO(pmportinfo))-> satadrv_event_flags |= SATA_EVNT_DEVICE_RESET; } } else if (pmportinfo->pmport_dev_type == SATA_DTYPE_NONE) { /* * We got new device attached! If HBA does not * generate device attached events, trigger it * here. */ if (!(SATA_FEATURES(sata_hba_inst) & SATA_CTLF_HOTPLUG)) { pmportinfo->pmport_event_flags |= SATA_EVNT_DEVICE_ATTACHED; } } /* Reset link lost timeout */ pmportinfo->pmport_link_lost_time = 0; } } linklost: if (event_flags & SATA_EVNT_LINK_LOST) { #ifdef SATA_DEBUG if (pmportinfo->pmport_link_lost_time == 0) { SATADBG2(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port %d:%d link lost event", saddr->cport, saddr->pmport); } #endif if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) == SATA_PORT_DEVLINK_UP) { /* Ignore event */ SATADBG2(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Ignoring port %d:%d link lost event - link is up", saddr->cport, saddr->pmport); goto done; } /* * When HBA cannot generate device attached/detached events, * we need to track link lost time and eventually generate * device detach event. */ if (!(SATA_FEATURES(sata_hba_inst) & SATA_CTLF_HOTPLUG)) { /* We are tracking link lost time */ if (pmportinfo->pmport_link_lost_time == 0) { /* save current time (lbolt value) */ pmportinfo->pmport_link_lost_time = ddi_get_lbolt(); /* just keep link lost event */ pmportinfo->pmport_event_flags |= SATA_EVNT_LINK_LOST; } else { clock_t cur_time = ddi_get_lbolt(); if ((cur_time - pmportinfo->pmport_link_lost_time) >= drv_usectohz( SATA_EVNT_LINK_LOST_TIMEOUT)) { /* trigger device detach event */ pmportinfo->pmport_event_flags |= SATA_EVNT_DEVICE_DETACHED; pmportinfo->pmport_link_lost_time = 0; SATADBG2(SATA_DBG_EVENTS, sata_hba_inst, "Triggering port %d:%d " "device detached event", saddr->cport, saddr->pmport); } else { /* keep link lost event */ pmportinfo->pmport_event_flags |= SATA_EVNT_LINK_LOST; } } } /* * We could change port state to disable/delay access to * the attached device until the link is recovered. */ } done: event_flags = pmportinfo->pmport_event_flags; mutex_exit(&SATA_PMPORT_MUTEX(sata_hba_inst, saddr->cport, saddr->pmport)); if (event_flags != 0) { mutex_enter(&sata_hba_inst->satahba_mutex); sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; mutex_exit(&sata_hba_inst->satahba_mutex); mutex_enter(&sata_mutex); sata_event_pending |= SATA_EVNT_MAIN; mutex_exit(&sata_mutex); } } /* * Device Detached Event processing. * Port is probed to find if a device is really gone. If so, * the device info structure is detached from the SATA port info structure * and released. * Port status is updated. * * NOTE: Port multiplier ports events are handled by * sata_process_pmdevice_detached() */ static void sata_process_device_detached(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr) { sata_cport_info_t *cportinfo; sata_pmport_info_t *pmportinfo; sata_drive_info_t *sdevinfo; sata_device_t sata_device; sata_address_t pmport_addr; char name[16]; uint8_t cport = saddr->cport; int npmport; int rval; SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port %d device detached", saddr->cport); cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); /* Clear event flag */ cportinfo->cport_event_flags &= ~SATA_EVNT_DEVICE_DETACHED; /* If the port is in SHUTDOWN or FAILED state, ignore detach event. */ if ((cportinfo->cport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> cport_mutex); return; } /* For sanity, re-probe the port */ sata_device.satadev_rev = SATA_DEVICE_REV; sata_device.satadev_addr = *saddr; /* * We have to exit mutex, because the HBA probe port function may * block on its own mutex. */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); sata_update_port_info(sata_hba_inst, &sata_device); if (rval != SATA_SUCCESS) { /* Something went wrong? Fail the port */ cportinfo->cport_state = SATA_PSTATE_FAILED; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> cport_mutex); SATA_LOG_D((sata_hba_inst, CE_WARN, "SATA port %d probing failed", saddr->cport)); /* * We may want to release device info structure, but * it is not necessary. */ return; } else { /* port probed successfully */ cportinfo->cport_state |= SATA_STATE_PROBED | SATA_STATE_READY; } /* * Check if a device is still attached. For sanity, check also * link status - if no link, there is no device. */ if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) == SATA_PORT_DEVLINK_UP && sata_device.satadev_type != SATA_DTYPE_NONE) { /* * Device is still attached - ignore detach event. */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> cport_mutex); SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Ignoring detach - device still attached to port %d", sata_device.satadev_addr.cport); return; } /* * We need to detach and release device info structure here */ if (cportinfo->cport_dev_type == SATA_DTYPE_PMULT) { /* * A port-multiplier is removed. * * Calling sata_process_pmdevice_detached() does not work * here. The port multiplier is gone, so we cannot probe * sub-port any more and all pmult-related data structure must * be de-allocated immediately. Following structure of every * implemented sub-port behind the pmult are required to * released. * * - attachment point * - target node * - sata_drive_info * - sata_pmport_info */ for (npmport = 0; npmport < SATA_NUM_PMPORTS(sata_hba_inst, cport); npmport ++) { SATADBG2(SATA_DBG_PMULT|SATA_DBG_EVENTS_PROC, sata_hba_inst, "Detaching target node at port %d:%d", cport, npmport); mutex_exit(&SATA_CPORT_MUTEX(sata_hba_inst, cport)); /* Remove attachment point. */ name[0] = '\0'; (void) sprintf(name, "%d.%d", cport, npmport); ddi_remove_minor_node(SATA_DIP(sata_hba_inst), name); sata_log(sata_hba_inst, CE_NOTE, "Remove attachment point of port %d:%d", cport, npmport); /* Remove target node */ pmport_addr.cport = cport; pmport_addr.pmport = (uint8_t)npmport; pmport_addr.qual = SATA_ADDR_PMPORT; sata_remove_target_node(sata_hba_inst, &pmport_addr); mutex_enter(&SATA_CPORT_MUTEX(sata_hba_inst, cport)); /* Release sata_pmport_info & sata_drive_info. */ pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, npmport); ASSERT(pmportinfo != NULL); sdevinfo = SATA_PMPORTINFO_DRV_INFO(pmportinfo); if (sdevinfo != NULL) { (void) kmem_free((void *) sdevinfo, sizeof (sata_drive_info_t)); } /* Release sata_pmport_info at last */ (void) kmem_free((void *) pmportinfo, sizeof (sata_pmport_info_t)); } /* Finally, release sata_pmult_info */ (void) kmem_free((void *) SATA_CPORTINFO_PMULT_INFO(cportinfo), sizeof (sata_pmult_info_t)); SATA_CPORTINFO_PMULT_INFO(cportinfo) = NULL; sata_log(sata_hba_inst, CE_WARN, "SATA port-multiplier detached at port %d", cport); cportinfo->cport_dev_type = SATA_DTYPE_NONE; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); } else { if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { sdevinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; (void) kmem_free((void *)sdevinfo, sizeof (sata_drive_info_t)); } sata_log(sata_hba_inst, CE_WARN, "SATA device detached at port %d", cport); cportinfo->cport_dev_type = SATA_DTYPE_NONE; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); /* * Try to offline a device and remove target node * if it still exists */ sata_remove_target_node(sata_hba_inst, saddr); } /* * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE * with the hint: SE_HINT_REMOVE */ sata_gen_sysevent(sata_hba_inst, saddr, SE_HINT_REMOVE); } /* * Port Multiplier Port Device Deattached Event processing. * * NOTE: No Mutex should be hold. */ static void sata_process_pmdevice_detached(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr) { sata_pmport_info_t *pmportinfo; sata_drive_info_t *sdevinfo; sata_device_t sata_device; int rval; uint8_t cport, pmport; cport = saddr->cport; pmport = saddr->pmport; SATADBG2(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port %d:%d device detached", cport, pmport); pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); mutex_enter(&SATA_PMPORT_MUTEX(sata_hba_inst, cport, pmport)); /* Clear event flag */ pmportinfo->pmport_event_flags &= ~SATA_EVNT_DEVICE_DETACHED; /* If the port is in SHUTDOWN or FAILED state, ignore detach event. */ if ((pmportinfo->pmport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { mutex_exit(&SATA_PMPORT_MUTEX(sata_hba_inst, cport, pmport)); return; } /* For sanity, re-probe the port */ sata_device.satadev_rev = SATA_DEVICE_REV; sata_device.satadev_addr = *saddr; /* * We have to exit mutex, because the HBA probe port function may * block on its own mutex. */ mutex_exit(&SATA_PMPORT_MUTEX(sata_hba_inst, cport, pmport)); rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device); mutex_enter(&SATA_PMPORT_MUTEX(sata_hba_inst, cport, pmport)); sata_update_pmport_info(sata_hba_inst, &sata_device); if (rval != SATA_SUCCESS) { /* Something went wrong? Fail the port */ pmportinfo->pmport_state = SATA_PSTATE_FAILED; mutex_exit(&SATA_PMPORT_MUTEX(sata_hba_inst, cport, pmport)); SATA_LOG_D((sata_hba_inst, CE_WARN, "SATA port %d:%d probing failed", saddr->pmport)); /* * We may want to release device info structure, but * it is not necessary. */ return; } else { /* port probed successfully */ pmportinfo->pmport_state |= SATA_STATE_PROBED | SATA_STATE_READY; } /* * Check if a device is still attached. For sanity, check also * link status - if no link, there is no device. */ if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) == SATA_PORT_DEVLINK_UP && sata_device.satadev_type != SATA_DTYPE_NONE) { /* * Device is still attached - ignore detach event. */ mutex_exit(&SATA_PMPORT_MUTEX(sata_hba_inst, cport, pmport)); SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Ignoring detach - device still attached to port %d", sata_device.satadev_addr.pmport); return; } /* * We need to detach and release device info structure here */ if (SATA_PMPORTINFO_DRV_INFO(pmportinfo) != NULL) { sdevinfo = SATA_PMPORTINFO_DRV_INFO(pmportinfo); SATA_PMPORTINFO_DRV_INFO(pmportinfo) = NULL; (void) kmem_free((void *)sdevinfo, sizeof (sata_drive_info_t)); } pmportinfo->pmport_dev_type = SATA_DTYPE_NONE; /* * Device cannot be reached anymore, even if the target node may be * still present. */ mutex_exit(&SATA_PMPORT_MUTEX(sata_hba_inst, cport, pmport)); /* * Try to offline a device and remove target node if it still exists */ sata_remove_target_node(sata_hba_inst, saddr); /* * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE * with the hint: SE_HINT_REMOVE */ sata_gen_sysevent(sata_hba_inst, saddr, SE_HINT_REMOVE); } /* * Device Attached Event processing. * Port state is checked to verify that a device is really attached. If so, * the device info structure is created and attached to the SATA port info * structure. * * If attached device cannot be identified or set-up, the retry for the * attach processing is set-up. Subsequent daemon run would try again to * identify the device, until the time limit is reached * (SATA_DEV_IDENTIFY_TIMEOUT). * * This function cannot be called in interrupt context (it may sleep). * * NOTE: Port multiplier ports events are handled by * sata_process_pmdevice_attached() */ static void sata_process_device_attached(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr) { sata_cport_info_t *cportinfo = NULL; sata_drive_info_t *sdevinfo = NULL; sata_pmult_info_t *pmultinfo = NULL; sata_pmport_info_t *pmportinfo = NULL; sata_device_t sata_device; dev_info_t *tdip; uint32_t event_flags = 0, pmult_event_flags = 0; int rval; int npmport; SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port %d device attached", saddr->cport); cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); /* Clear attach event flag first */ cportinfo->cport_event_flags &= ~SATA_EVNT_DEVICE_ATTACHED; /* If the port is in SHUTDOWN or FAILED state, ignore event. */ if ((cportinfo->cport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { cportinfo->cport_dev_attach_time = 0; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> cport_mutex); return; } /* * If the sata_drive_info structure is found attached to the port info, * despite the fact the device was removed and now it is re-attached, * the old drive info structure was not removed. * Arbitrarily release device info structure. */ if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { sdevinfo = SATA_CPORTINFO_DRV_INFO(cportinfo); SATA_CPORTINFO_DRV_INFO(cportinfo) = NULL; (void) kmem_free((void *)sdevinfo, sizeof (sata_drive_info_t)); SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Arbitrarily detaching old device info.", NULL); } cportinfo->cport_dev_type = SATA_DTYPE_NONE; /* For sanity, re-probe the port */ sata_device.satadev_rev = SATA_DEVICE_REV; sata_device.satadev_addr = *saddr; /* * We have to exit mutex, because the HBA probe port function may * block on its own mutex. */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); sata_update_port_info(sata_hba_inst, &sata_device); if (rval != SATA_SUCCESS) { /* Something went wrong? Fail the port */ cportinfo->cport_state = SATA_PSTATE_FAILED; cportinfo->cport_dev_attach_time = 0; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> cport_mutex); SATA_LOG_D((sata_hba_inst, CE_WARN, "SATA port %d probing failed", saddr->cport)); return; } else { /* port probed successfully */ cportinfo->cport_state |= SATA_STATE_PROBED | SATA_STATE_READY; } /* * Check if a device is still attached. For sanity, check also * link status - if no link, there is no device. */ if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP || sata_device.satadev_type == SATA_DTYPE_NONE) { /* * No device - ignore attach event. */ cportinfo->cport_dev_attach_time = 0; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> cport_mutex); SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Ignoring attach - no device connected to port %d", sata_device.satadev_addr.cport); return; } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); /* * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE * with the hint: SE_HINT_INSERT */ sata_gen_sysevent(sata_hba_inst, saddr, SE_HINT_INSERT); /* * Port reprobing will take care of the creation of the device * info structure and determination of the device type. */ sata_device.satadev_addr = *saddr; (void) sata_reprobe_port(sata_hba_inst, &sata_device, SATA_DEV_IDENTIFY_NORETRY); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> cport_mutex); if ((cportinfo->cport_state & SATA_STATE_READY) && (cportinfo->cport_dev_type != SATA_DTYPE_NONE)) { /* Some device is attached to the port */ if (cportinfo->cport_dev_type == SATA_DTYPE_UNKNOWN) { /* * A device was not successfully attached. * Track retry time for device identification. */ if (cportinfo->cport_dev_attach_time != 0) { clock_t cur_time = ddi_get_lbolt(); /* * If the retry time limit was not exceeded, * reinstate attach event. */ if ((cur_time - cportinfo->cport_dev_attach_time) < drv_usectohz( SATA_DEV_IDENTIFY_TIMEOUT)) { /* OK, restore attach event */ cportinfo->cport_event_flags |= SATA_EVNT_DEVICE_ATTACHED; } else { /* Timeout - cannot identify device */ cportinfo->cport_dev_attach_time = 0; sata_log(sata_hba_inst, CE_WARN, "Could not identify SATA device " "at port %d", saddr->cport); } } else { /* * Start tracking time for device * identification. * Save current time (lbolt value). */ cportinfo->cport_dev_attach_time = ddi_get_lbolt(); /* Restore attach event */ cportinfo->cport_event_flags |= SATA_EVNT_DEVICE_ATTACHED; } } else if (cportinfo->cport_dev_type == SATA_DTYPE_PMULT) { cportinfo->cport_dev_attach_time = 0; sata_log(sata_hba_inst, CE_NOTE, "SATA port-multiplier detected at port %d", saddr->cport); if (SATA_CPORTINFO_PMULT_INFO(cportinfo) != NULL) { /* Log the info of new port multiplier */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); sata_show_pmult_info(sata_hba_inst, &sata_device); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); } ASSERT(SATA_CPORTINFO_PMULT_INFO(cportinfo) != NULL); pmultinfo = SATA_CPORTINFO_PMULT_INFO(cportinfo); for (npmport = 0; npmport < pmultinfo->pmult_num_dev_ports; npmport++) { pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, saddr->cport, npmport); ASSERT(pmportinfo != NULL); mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); mutex_enter(&pmportinfo->pmport_mutex); /* Marked all pmports with link events. */ pmportinfo->pmport_event_flags = SATA_EVNT_LINK_ESTABLISHED; pmult_event_flags |= pmportinfo->pmport_event_flags; mutex_exit(&pmportinfo->pmport_mutex); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); } /* Auto-online is not available for PMult now. */ } else { /* * If device was successfully attached, the subsequent * action depends on a state of the * sata_auto_online variable. If it is set to zero. * an explicit 'configure' command will be needed to * configure it. If its value is non-zero, we will * attempt to online (configure) the device. * First, log the message indicating that a device * was attached. */ cportinfo->cport_dev_attach_time = 0; sata_log(sata_hba_inst, CE_WARN, "SATA device detected at port %d", saddr->cport); if (SATA_CPORTINFO_DRV_INFO(cportinfo) != NULL) { sata_drive_info_t new_sdinfo; /* Log device info data */ new_sdinfo = *(SATA_CPORTINFO_DRV_INFO( cportinfo)); sata_show_drive_info(sata_hba_inst, &new_sdinfo); } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); /* * Make sure that there is no target node for that * device. If so, release it. It should not happen, * unless we had problem removing the node when * device was detached. */ tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), saddr->cport, saddr->pmport); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); if (tdip != NULL) { #ifdef SATA_DEBUG if ((cportinfo->cport_event_flags & SATA_EVNT_TARGET_NODE_CLEANUP) == 0) sata_log(sata_hba_inst, CE_WARN, "sata_process_device_attached: " "old device target node exists!"); #endif /* * target node exists - try to unconfigure * device and remove the node. */ mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); rval = ndi_devi_offline(tdip, NDI_DEVI_REMOVE); mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); if (rval == NDI_SUCCESS) { cportinfo->cport_event_flags &= ~SATA_EVNT_TARGET_NODE_CLEANUP; cportinfo->cport_tgtnode_clean = B_TRUE; } else { /* * PROBLEM - the target node remained * and it belongs to a previously * attached device. * This happens when the file was open * or the node was waiting for * resources at the time the * associated device was removed. * Instruct event daemon to retry the * cleanup later. */ sata_log(sata_hba_inst, CE_WARN, "Application(s) accessing " "previously attached SATA " "device have to release " "it before newly inserted " "device can be made accessible.", saddr->cport); cportinfo->cport_event_flags |= SATA_EVNT_TARGET_NODE_CLEANUP; cportinfo->cport_tgtnode_clean = B_FALSE; } } if (sata_auto_online != 0) { cportinfo->cport_event_flags |= SATA_EVNT_AUTOONLINE_DEVICE; } } } else { cportinfo->cport_dev_attach_time = 0; } event_flags = cportinfo->cport_event_flags; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); if (event_flags != 0 || pmult_event_flags != 0) { mutex_enter(&sata_hba_inst->satahba_mutex); sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; mutex_exit(&sata_hba_inst->satahba_mutex); mutex_enter(&sata_mutex); sata_event_pending |= SATA_EVNT_MAIN; mutex_exit(&sata_mutex); } } /* * Port Multiplier Port Device Attached Event processing. * * NOTE: No Mutex should be hold. */ static void sata_process_pmdevice_attached(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr) { sata_pmport_info_t *pmportinfo; sata_drive_info_t *sdinfo; sata_device_t sata_device; dev_info_t *tdip; uint32_t event_flags; uint8_t cport = saddr->cport; uint8_t pmport = saddr->pmport; int rval; SATADBG2(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port %d:%d device attached", cport, pmport); pmportinfo = SATA_PMPORT_INFO(sata_hba_inst, cport, pmport); mutex_enter(&pmportinfo->pmport_mutex); /* Clear attach event flag first */ pmportinfo->pmport_event_flags &= ~SATA_EVNT_DEVICE_ATTACHED; /* If the port is in SHUTDOWN or FAILED state, ignore event. */ if ((pmportinfo->pmport_state & (SATA_PSTATE_SHUTDOWN | SATA_PSTATE_FAILED)) != 0) { pmportinfo->pmport_dev_attach_time = 0; mutex_exit(&pmportinfo->pmport_mutex); return; } /* * If the sata_drive_info structure is found attached to the port info, * despite the fact the device was removed and now it is re-attached, * the old drive info structure was not removed. * Arbitrarily release device info structure. */ if (SATA_PMPORTINFO_DRV_INFO(pmportinfo) != NULL) { sdinfo = SATA_PMPORTINFO_DRV_INFO(pmportinfo); SATA_PMPORTINFO_DRV_INFO(pmportinfo) = NULL; (void) kmem_free((void *)sdinfo, sizeof (sata_drive_info_t)); SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Arbitrarily detaching old device info.", NULL); } pmportinfo->pmport_dev_type = SATA_DTYPE_NONE; /* For sanity, re-probe the port */ sata_device.satadev_rev = SATA_DEVICE_REV; sata_device.satadev_addr = *saddr; /* * We have to exit mutex, because the HBA probe port function may * block on its own mutex. */ mutex_exit(&pmportinfo->pmport_mutex); rval = (*SATA_PROBE_PORT_FUNC(sata_hba_inst)) (SATA_DIP(sata_hba_inst), &sata_device); mutex_enter(&pmportinfo->pmport_mutex); sata_update_pmport_info(sata_hba_inst, &sata_device); if (rval != SATA_SUCCESS) { /* Something went wrong? Fail the port */ pmportinfo->pmport_state = SATA_PSTATE_FAILED; pmportinfo->pmport_dev_attach_time = 0; mutex_exit(&pmportinfo->pmport_mutex); SATA_LOG_D((sata_hba_inst, CE_WARN, "SATA port %d:%d probing failed", cport, pmport)); return; } else { /* pmport probed successfully */ pmportinfo->pmport_state |= SATA_STATE_PROBED | SATA_STATE_READY; } /* * Check if a device is still attached. For sanity, check also * link status - if no link, there is no device. */ if ((sata_device.satadev_scr.sstatus & SATA_PORT_DEVLINK_UP_MASK) != SATA_PORT_DEVLINK_UP || sata_device.satadev_type == SATA_DTYPE_NONE) { /* * No device - ignore attach event. */ pmportinfo->pmport_dev_attach_time = 0; mutex_exit(&pmportinfo->pmport_mutex); SATADBG2(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Ignoring attach - no device connected to port %d:%d", cport, pmport); return; } mutex_exit(&pmportinfo->pmport_mutex); /* * Generate sysevent - EC_DR / ESC_DR_AP_STATE_CHANGE * with the hint: SE_HINT_INSERT */ sata_gen_sysevent(sata_hba_inst, saddr, SE_HINT_INSERT); /* * Port reprobing will take care of the creation of the device * info structure and determination of the device type. */ sata_device.satadev_addr = *saddr; (void) sata_reprobe_port(sata_hba_inst, &sata_device, SATA_DEV_IDENTIFY_NORETRY); mutex_enter(&pmportinfo->pmport_mutex); if ((pmportinfo->pmport_state & SATA_STATE_READY) && (pmportinfo->pmport_dev_type != SATA_DTYPE_NONE)) { /* Some device is attached to the port */ if (pmportinfo->pmport_dev_type == SATA_DTYPE_UNKNOWN) { /* * A device was not successfully attached. * Track retry time for device identification. */ if (pmportinfo->pmport_dev_attach_time != 0) { clock_t cur_time = ddi_get_lbolt(); /* * If the retry time limit was not exceeded, * reinstate attach event. */ if ((cur_time - pmportinfo->pmport_dev_attach_time) < drv_usectohz( SATA_DEV_IDENTIFY_TIMEOUT)) { /* OK, restore attach event */ pmportinfo->pmport_event_flags |= SATA_EVNT_DEVICE_ATTACHED; } else { /* Timeout - cannot identify device */ pmportinfo->pmport_dev_attach_time = 0; sata_log(sata_hba_inst, CE_WARN, "Could not identify SATA device " "at port %d:%d", cport, pmport); } } else { /* * Start tracking time for device * identification. * Save current time (lbolt value). */ pmportinfo->pmport_dev_attach_time = ddi_get_lbolt(); /* Restore attach event */ pmportinfo->pmport_event_flags |= SATA_EVNT_DEVICE_ATTACHED; } } else { /* * If device was successfully attached, the subsequent * action depends on a state of the * sata_auto_online variable. If it is set to zero. * an explicit 'configure' command will be needed to * configure it. If its value is non-zero, we will * attempt to online (configure) the device. * First, log the message indicating that a device * was attached. */ pmportinfo->pmport_dev_attach_time = 0; sata_log(sata_hba_inst, CE_WARN, "SATA device detected at port %d:%d", cport, pmport); if (SATA_PMPORTINFO_DRV_INFO(pmportinfo) != NULL) { sata_drive_info_t new_sdinfo; /* Log device info data */ new_sdinfo = *(SATA_PMPORTINFO_DRV_INFO( pmportinfo)); sata_show_drive_info(sata_hba_inst, &new_sdinfo); } mutex_exit(&pmportinfo->pmport_mutex); /* * Make sure that there is no target node for that * device. If so, release it. It should not happen, * unless we had problem removing the node when * device was detached. */ tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), saddr->cport, saddr->pmport); mutex_enter(&pmportinfo->pmport_mutex); if (tdip != NULL) { #ifdef SATA_DEBUG if ((pmportinfo->pmport_event_flags & SATA_EVNT_TARGET_NODE_CLEANUP) == 0) sata_log(sata_hba_inst, CE_WARN, "sata_process_device_attached: " "old device target node exists!"); #endif /* * target node exists - try to unconfigure * device and remove the node. */ mutex_exit(&pmportinfo->pmport_mutex); rval = ndi_devi_offline(tdip, NDI_DEVI_REMOVE); mutex_enter(&pmportinfo->pmport_mutex); if (rval == NDI_SUCCESS) { pmportinfo->pmport_event_flags &= ~SATA_EVNT_TARGET_NODE_CLEANUP; pmportinfo->pmport_tgtnode_clean = B_TRUE; } else { /* * PROBLEM - the target node remained * and it belongs to a previously * attached device. * This happens when the file was open * or the node was waiting for * resources at the time the * associated device was removed. * Instruct event daemon to retry the * cleanup later. */ sata_log(sata_hba_inst, CE_WARN, "Application(s) accessing " "previously attached SATA " "device have to release " "it before newly inserted " "device can be made accessible." "at port %d:%d", cport, pmport); pmportinfo->pmport_event_flags |= SATA_EVNT_TARGET_NODE_CLEANUP; pmportinfo->pmport_tgtnode_clean = B_FALSE; } } if (sata_auto_online != 0) { pmportinfo->pmport_event_flags |= SATA_EVNT_AUTOONLINE_DEVICE; } } } else { pmportinfo->pmport_dev_attach_time = 0; } event_flags = pmportinfo->pmport_event_flags; mutex_exit(&pmportinfo->pmport_mutex); if (event_flags != 0) { mutex_enter(&sata_hba_inst->satahba_mutex); sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; mutex_exit(&sata_hba_inst->satahba_mutex); mutex_enter(&sata_mutex); sata_event_pending |= SATA_EVNT_MAIN; mutex_exit(&sata_mutex); } /* clear the reset_in_progress events */ if (SATA_PMPORTINFO_DRV_INFO(pmportinfo) != NULL) { if (pmportinfo->pmport_dev_type & SATA_VALID_DEV_TYPE) { /* must clear flags on cport */ sata_pmult_info_t *pminfo = SATA_PMULT_INFO(sata_hba_inst, saddr->cport); pminfo->pmult_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; } } } /* * Device Target Node Cleanup Event processing. * If the target node associated with a sata port device is in * DEVI_DEVICE_REMOVED state, an attempt is made to remove it. * If the target node cannot be removed, the event flag is left intact, * so that event daemon may re-run this function later. * * This function cannot be called in interrupt context (it may sleep). * * NOTE: Processes cport events only, not port multiplier ports. */ static void sata_process_target_node_cleanup(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr) { sata_cport_info_t *cportinfo; dev_info_t *tdip; SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port %d device target node cleanup", saddr->cport); cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); /* * Check if there is target node for that device and it is in the * DEVI_DEVICE_REMOVED state. If so, release it. */ tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), saddr->cport, saddr->pmport); if (tdip != NULL) { /* * target node exists - check if it is target node of * a removed device. */ if (sata_check_device_removed(tdip) == B_TRUE) { SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "sata_process_target_node_cleanup: " "old device target node exists!", NULL); /* * Unconfigure and remove the target node */ if (ndi_devi_offline(tdip, NDI_DEVI_REMOVE) == NDI_SUCCESS) { mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); cportinfo->cport_event_flags &= ~SATA_EVNT_TARGET_NODE_CLEANUP; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); return; } /* * Event daemon will retry the cleanup later. */ mutex_enter(&sata_hba_inst->satahba_mutex); sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; mutex_exit(&sata_hba_inst->satahba_mutex); mutex_enter(&sata_mutex); sata_event_pending |= SATA_EVNT_MAIN; mutex_exit(&sata_mutex); } } else { if (saddr->qual == SATA_ADDR_CPORT || saddr->qual == SATA_ADDR_DCPORT) { mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); cportinfo->cport_event_flags &= ~SATA_EVNT_TARGET_NODE_CLEANUP; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); } else { /* sanity check */ if (SATA_CPORT_DEV_TYPE(sata_hba_inst, saddr->cport) != SATA_DTYPE_PMULT || SATA_PMULT_INFO(sata_hba_inst, saddr->cport) == NULL) return; if (SATA_PMPORT_INFO(sata_hba_inst, saddr->cport, saddr->pmport) == NULL) return; mutex_enter(&SATA_PMPORT_INFO(sata_hba_inst, saddr->cport, saddr->pmport)->pmport_mutex); SATA_PMPORT_INFO(sata_hba_inst, saddr->cport, saddr->pmport)->pmport_event_flags &= ~SATA_EVNT_TARGET_NODE_CLEANUP; mutex_exit(&SATA_PMPORT_INFO(sata_hba_inst, saddr->cport, saddr->pmport)->pmport_mutex); } } } /* * Device AutoOnline Event processing. * If attached device is to be onlined, an attempt is made to online this * device, but only if there is no lingering (old) target node present. * If the device cannot be onlined, the event flag is left intact, * so that event daemon may re-run this function later. * * This function cannot be called in interrupt context (it may sleep). * * NOTE: Processes cport events only, not port multiplier ports. */ static void sata_process_device_autoonline(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr) { sata_cport_info_t *cportinfo; sata_drive_info_t *sdinfo; sata_device_t sata_device; dev_info_t *tdip; SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "Processing port %d attached device auto-onlining", saddr->cport); cportinfo = SATA_CPORT_INFO(sata_hba_inst, saddr->cport); /* * Check if device is present and recognized. If not, reset event. */ mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); if ((cportinfo->cport_dev_type & SATA_VALID_DEV_TYPE) == 0) { /* Nothing to online */ cportinfo->cport_event_flags &= ~SATA_EVNT_AUTOONLINE_DEVICE; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); return; } mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); /* * Check if there is target node for this device and if it is in the * DEVI_DEVICE_REMOVED state. If so, abort onlining but keep * the event for later processing. */ tdip = sata_get_target_dip(SATA_DIP(sata_hba_inst), saddr->cport, saddr->pmport); if (tdip != NULL) { /* * target node exists - check if it is target node of * a removed device. */ if (sata_check_device_removed(tdip) == B_TRUE) { SATADBG1(SATA_DBG_EVENTS_PROC, sata_hba_inst, "sata_process_device_autoonline: " "old device target node exists!", NULL); /* * Event daemon will retry device onlining later. */ mutex_enter(&sata_hba_inst->satahba_mutex); sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; mutex_exit(&sata_hba_inst->satahba_mutex); mutex_enter(&sata_mutex); sata_event_pending |= SATA_EVNT_MAIN; mutex_exit(&sata_mutex); return; } /* * If the target node is not in the 'removed" state, assume * that it belongs to this device. There is nothing more to do, * but reset the event. */ } else { /* * Try to online the device * If there is any reset-related event, remove it. We are * configuring the device and no state restoring is needed. */ mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); sata_device.satadev_addr = *saddr; if (saddr->qual == SATA_ADDR_CPORT) sata_device.satadev_addr.qual = SATA_ADDR_DCPORT; else sata_device.satadev_addr.qual = SATA_ADDR_DPMPORT; sdinfo = sata_get_device_info(sata_hba_inst, &sata_device); if (sdinfo != NULL) { if (sdinfo->satadrv_event_flags & (SATA_EVNT_DEVICE_RESET | SATA_EVNT_INPROC_DEVICE_RESET)) sdinfo->satadrv_event_flags = 0; sdinfo->satadrv_event_flags |= SATA_EVNT_CLEAR_DEVICE_RESET; /* Need to create a new target node. */ cportinfo->cport_tgtnode_clean = B_TRUE; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); tdip = sata_create_target_node(SATA_DIP(sata_hba_inst), sata_hba_inst, &sata_device.satadev_addr); if (tdip == NULL) { /* * Configure (onlining) failed. * We will NOT retry */ SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_process_device_autoonline: " "configuring SATA device at port %d failed", saddr->cport)); } } else { mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); } } mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); cportinfo->cport_event_flags &= ~SATA_EVNT_AUTOONLINE_DEVICE; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); } static void sata_gen_sysevent(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr, int hint) { char ap[MAXPATHLEN]; nvlist_t *ev_attr_list = NULL; int err; /* Allocate and build sysevent attribute list */ err = nvlist_alloc(&ev_attr_list, NV_UNIQUE_NAME_TYPE, DDI_NOSLEEP); if (err != 0) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_gen_sysevent: " "cannot allocate memory for sysevent attributes\n")); return; } /* Add hint attribute */ err = nvlist_add_string(ev_attr_list, DR_HINT, SE_HINT2STR(hint)); if (err != 0) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_gen_sysevent: " "failed to add DR_HINT attr for sysevent")); nvlist_free(ev_attr_list); return; } /* * Add AP attribute. * Get controller pathname and convert it into AP pathname by adding * a target number. */ (void) snprintf(ap, MAXPATHLEN, "/devices"); (void) ddi_pathname(SATA_DIP(sata_hba_inst), ap + strlen(ap)); (void) snprintf(ap + strlen(ap), MAXPATHLEN - strlen(ap), ":%d", SATA_MAKE_AP_NUMBER(saddr->cport, saddr->pmport, saddr->qual)); err = nvlist_add_string(ev_attr_list, DR_AP_ID, ap); if (err != 0) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_gen_sysevent: " "failed to add DR_AP_ID attr for sysevent")); nvlist_free(ev_attr_list); return; } /* Generate/log sysevent */ err = ddi_log_sysevent(SATA_DIP(sata_hba_inst), DDI_VENDOR_SUNW, EC_DR, ESC_DR_AP_STATE_CHANGE, ev_attr_list, NULL, DDI_NOSLEEP); if (err != DDI_SUCCESS) { SATA_LOG_D((sata_hba_inst, CE_WARN, "sata_gen_sysevent: " "cannot log sysevent, err code %x\n", err)); } nvlist_free(ev_attr_list); } /* * Set DEVI_DEVICE_REMOVED state in the SATA device target node. */ static void sata_set_device_removed(dev_info_t *tdip) { int circ; ASSERT(tdip != NULL); ndi_devi_enter(tdip, &circ); mutex_enter(&DEVI(tdip)->devi_lock); DEVI_SET_DEVICE_REMOVED(tdip); mutex_exit(&DEVI(tdip)->devi_lock); ndi_devi_exit(tdip, circ); } /* * Set internal event instructing event daemon to try * to perform the target node cleanup. */ static void sata_set_target_node_cleanup(sata_hba_inst_t *sata_hba_inst, sata_address_t *saddr) { if (saddr->qual == SATA_ADDR_CPORT || saddr->qual == SATA_ADDR_DCPORT) { mutex_enter(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); SATA_CPORT_EVENT_FLAGS(sata_hba_inst, saddr->cport) |= SATA_EVNT_TARGET_NODE_CLEANUP; SATA_CPORT_INFO(sata_hba_inst, saddr->cport)-> cport_tgtnode_clean = B_FALSE; mutex_exit(&SATA_CPORT_INFO(sata_hba_inst, saddr->cport)->cport_mutex); } else { mutex_enter(&SATA_PMPORT_INFO(sata_hba_inst, saddr->cport, saddr->pmport)->pmport_mutex); SATA_PMPORT_EVENT_FLAGS(sata_hba_inst, saddr->cport, saddr->pmport) |= SATA_EVNT_TARGET_NODE_CLEANUP; SATA_PMPORT_INFO(sata_hba_inst, saddr->cport, saddr->pmport)-> pmport_tgtnode_clean = B_FALSE; mutex_exit(&SATA_PMPORT_INFO(sata_hba_inst, saddr->cport, saddr->pmport)->pmport_mutex); } mutex_enter(&sata_hba_inst->satahba_mutex); sata_hba_inst->satahba_event_flags |= SATA_EVNT_MAIN; mutex_exit(&sata_hba_inst->satahba_mutex); mutex_enter(&sata_mutex); sata_event_pending |= SATA_EVNT_MAIN; mutex_exit(&sata_mutex); } /* * Check if the SATA device target node is in DEVI_DEVICE_REMOVED state, * i.e. check if the target node state indicates that it belongs to a removed * device. * * Returns B_TRUE if the target node is in DEVI_DEVICE_REMOVED state, * B_FALSE otherwise. */ static boolean_t sata_check_device_removed(dev_info_t *tdip) { ASSERT(tdip != NULL); if (DEVI_IS_DEVICE_REMOVED(tdip)) return (B_TRUE); else return (B_FALSE); } /* * Check for DMA error. Return B_TRUE if error, B_FALSE otherwise. */ static boolean_t sata_check_for_dma_error(dev_info_t *dip, sata_pkt_txlate_t *spx) { int fm_capability = ddi_fm_capable(dip); ddi_fm_error_t de; if (fm_capability & DDI_FM_DMACHK_CAPABLE) { if (spx->txlt_buf_dma_handle != NULL) { ddi_fm_dma_err_get(spx->txlt_buf_dma_handle, &de, DDI_FME_VERSION); if (de.fme_status != DDI_SUCCESS) return (B_TRUE); } } return (B_FALSE); } /* ************************ FAULT INJECTTION **************************** */ #ifdef SATA_INJECT_FAULTS static uint32_t sata_fault_count = 0; static uint32_t sata_fault_suspend_count = 0; /* * Inject sata pkt fault * It modifies returned values of the sata packet. * It returns immediately if: * pkt fault injection is not enabled (via sata_inject_fault, * sata_inject_fault_count), or invalid fault is specified (sata_fault_type), * or pkt does not contain command to be faulted (set in sata_fault_cmd), or * pkt is not directed to specified fault controller/device * (sata_fault_ctrl_dev and sata_fault_device). * If fault controller is not specified, fault injection applies to all * controllers and devices. * * First argument is the pointer to the executed sata packet. * Second argument is a pointer to a value returned by the HBA tran_start * function. * Third argument specifies injected error. Injected sata packet faults * are the satapkt_reason values. * SATA_PKT_BUSY -1 Not completed, busy * SATA_PKT_DEV_ERROR 1 Device reported error * SATA_PKT_QUEUE_FULL 2 Not accepted, queue full * SATA_PKT_PORT_ERROR 3 Not completed, port error * SATA_PKT_CMD_UNSUPPORTED 4 Cmd unsupported * SATA_PKT_ABORTED 5 Aborted by request * SATA_PKT_TIMEOUT 6 Operation timeut * SATA_PKT_RESET 7 Aborted by reset request * * Additional global variables affecting the execution: * * sata_inject_fault_count variable specifies number of times in row the * error is injected. Value of -1 specifies permanent fault, ie. every time * the fault injection point is reached, the fault is injected and a pause * between fault injection specified by sata_inject_fault_pause_count is * ignored). Fault injection routine decrements sata_inject_fault_count * (if greater than zero) until it reaches 0. No fault is injected when * sata_inject_fault_count is 0 (zero). * * sata_inject_fault_pause_count variable specifies number of times a fault * injection is bypassed (pause between fault injections). * If set to 0, a fault is injected only a number of times specified by * sata_inject_fault_count. * * The fault counts are static, so for periodic errors they have to be manually * reset to start repetition sequence from scratch. * If the original value returned by the HBA tran_start function is not * SATA_TRAN_ACCEPTED and pkt reason is not SATA_PKT_COMPLETED, no error * is injected (to avoid masking real problems); * * NOTE: In its current incarnation, this function should be invoked only for * commands executed in SYNCHRONOUS mode. */ static void sata_inject_pkt_fault(sata_pkt_t *spkt, int *rval, int fault) { if (sata_inject_fault != SATA_INJECT_PKT_FAULT) return; if (sata_inject_fault_count == 0) return; if (fault == 0) return; if (sata_fault_cmd != spkt->satapkt_cmd.satacmd_cmd_reg) return; if (sata_fault_ctrl != NULL) { sata_pkt_txlate_t *spx = (sata_pkt_txlate_t *)spkt->satapkt_framework_private; if (sata_fault_ctrl != NULL && sata_fault_ctrl != spx->txlt_sata_hba_inst->satahba_dip) return; if (sata_fault_device.satadev_addr.cport != spkt->satapkt_device.satadev_addr.cport || sata_fault_device.satadev_addr.pmport != spkt->satapkt_device.satadev_addr.pmport || sata_fault_device.satadev_addr.qual != spkt->satapkt_device.satadev_addr.qual) return; } /* Modify pkt return parameters */ if (*rval != SATA_TRAN_ACCEPTED || spkt->satapkt_reason != SATA_PKT_COMPLETED) { sata_fault_count = 0; sata_fault_suspend_count = 0; return; } if (sata_fault_count == 0 && sata_fault_suspend_count != 0) { /* Pause in the injection */ sata_fault_suspend_count -= 1; return; } if (sata_fault_count == 0 && sata_fault_suspend_count == 0) { /* * Init inject fault cycle. If fault count is set to -1, * it is a permanent fault. */ if (sata_inject_fault_count != -1) { sata_fault_count = sata_inject_fault_count; sata_fault_suspend_count = sata_inject_fault_pause_count; if (sata_fault_suspend_count == 0) sata_inject_fault_count = 0; } } if (sata_fault_count != 0) sata_fault_count -= 1; switch (fault) { case SATA_PKT_BUSY: *rval = SATA_TRAN_BUSY; spkt->satapkt_reason = SATA_PKT_BUSY; break; case SATA_PKT_QUEUE_FULL: *rval = SATA_TRAN_QUEUE_FULL; spkt->satapkt_reason = SATA_PKT_QUEUE_FULL; break; case SATA_PKT_CMD_UNSUPPORTED: *rval = SATA_TRAN_CMD_UNSUPPORTED; spkt->satapkt_reason = SATA_PKT_CMD_UNSUPPORTED; break; case SATA_PKT_PORT_ERROR: /* This is "rejected" command */ *rval = SATA_TRAN_PORT_ERROR; spkt->satapkt_reason = SATA_PKT_PORT_ERROR; /* Additional error setup could be done here - port state */ break; case SATA_PKT_DEV_ERROR: spkt->satapkt_reason = SATA_PKT_DEV_ERROR; /* * Additional error setup could be done here */ break; case SATA_PKT_ABORTED: spkt->satapkt_reason = SATA_PKT_ABORTED; break; case SATA_PKT_TIMEOUT: spkt->satapkt_reason = SATA_PKT_TIMEOUT; /* Additional error setup could be done here */ break; case SATA_PKT_RESET: spkt->satapkt_reason = SATA_PKT_RESET; /* * Additional error setup could be done here - device reset */ break; default: break; } } #endif /* * SATA Trace Ring Buffer * ---------------------- * * Overview * * The SATA trace ring buffer is a ring buffer created and managed by * the SATA framework module that can be used by any module or driver * within the SATA framework to store debug messages. * * Ring Buffer Interfaces: * * sata_vtrace_debug() <-- Adds debug message to ring buffer * sata_trace_debug() <-- Wraps varargs into sata_vtrace_debug() * * Note that the sata_trace_debug() interface was created to give * consumers the flexibilty of sending debug messages to ring buffer * as variable arguments. Consumers can send type va_list debug * messages directly to sata_vtrace_debug(). The sata_trace_debug() * and sata_vtrace_debug() relationship is similar to that of * cmn_err(9F) and vcmn_err(9F). * * Below is a diagram of the SATA trace ring buffer interfaces and * sample consumers: * * +---------------------------------+ * | o o SATA Framework Module | * | o SATA o +------------------+ +------------------+ * |o Trace o <--|sata_vtrace_debug/|<-----|SATA HBA Driver #1| * |o R-Buf o |sata_trace_debug |<--+ +------------------+ * | o o +------------------+ | +------------------+ * | o o ^ | +--|SATA HBA Driver #2| * | | | +------------------+ * | +------------------+ | * | |SATA Debug Message| | * | +------------------+ | * +---------------------------------+ * * Supporting Routines: * * sata_trace_rbuf_alloc() <-- Initializes ring buffer * sata_trace_rbuf_free() <-- Destroys ring buffer * sata_trace_dmsg_alloc() <-- Creates or reuses buffer in ring buffer * sata_trace_dmsg_free() <-- Destroys content of ring buffer * * The default SATA trace ring buffer size is defined by DMSG_RING_SIZE. * The ring buffer size can be adjusted by setting dmsg_ring_size in * /etc/system to desired size in unit of bytes. * * The individual debug message size in the ring buffer is restricted * to DMSG_BUF_SIZE. */ void sata_vtrace_debug(dev_info_t *dip, const char *fmt, va_list ap) { sata_trace_dmsg_t *dmsg; if (sata_debug_rbuf == NULL) { return; } /* * If max size of ring buffer is smaller than size * required for one debug message then just return * since we have no room for the debug message. */ if (sata_debug_rbuf->maxsize < (sizeof (sata_trace_dmsg_t))) { return; } mutex_enter(&sata_debug_rbuf->lock); /* alloc or reuse on ring buffer */ dmsg = sata_trace_dmsg_alloc(); if (dmsg == NULL) { /* resource allocation failed */ mutex_exit(&sata_debug_rbuf->lock); return; } dmsg->dip = dip; gethrestime(&dmsg->timestamp); (void) vsnprintf(dmsg->buf, sizeof (dmsg->buf), fmt, ap); mutex_exit(&sata_debug_rbuf->lock); } void sata_trace_debug(dev_info_t *dip, const char *fmt, ...) { va_list ap; va_start(ap, fmt); sata_vtrace_debug(dip, fmt, ap); va_end(ap); } /* * This routine is used to manage debug messages * on ring buffer. */ static sata_trace_dmsg_t * sata_trace_dmsg_alloc(void) { sata_trace_dmsg_t *dmsg_alloc, *dmsg = sata_debug_rbuf->dmsgp; if (sata_debug_rbuf->looped == TRUE) { sata_debug_rbuf->dmsgp = dmsg->next; return (sata_debug_rbuf->dmsgp); } /* * If we're looping for the first time, * connect the ring. */ if (((sata_debug_rbuf->size + (sizeof (sata_trace_dmsg_t))) > sata_debug_rbuf->maxsize) && (sata_debug_rbuf->dmsgh != NULL)) { dmsg->next = sata_debug_rbuf->dmsgh; sata_debug_rbuf->dmsgp = sata_debug_rbuf->dmsgh; sata_debug_rbuf->looped = TRUE; return (sata_debug_rbuf->dmsgp); } /* If we've gotten this far then memory allocation is needed */ dmsg_alloc = kmem_zalloc(sizeof (sata_trace_dmsg_t), KM_NOSLEEP); if (dmsg_alloc == NULL) { sata_debug_rbuf->allocfailed++; return (dmsg_alloc); } else { sata_debug_rbuf->size += sizeof (sata_trace_dmsg_t); } if (sata_debug_rbuf->dmsgp != NULL) { dmsg->next = dmsg_alloc; sata_debug_rbuf->dmsgp = dmsg->next; return (sata_debug_rbuf->dmsgp); } else { /* * We should only be here if we're initializing * the ring buffer. */ if (sata_debug_rbuf->dmsgh == NULL) { sata_debug_rbuf->dmsgh = dmsg_alloc; } else { /* Something is wrong */ kmem_free(dmsg_alloc, sizeof (sata_trace_dmsg_t)); return (NULL); } sata_debug_rbuf->dmsgp = dmsg_alloc; return (sata_debug_rbuf->dmsgp); } } /* * Free all messages on debug ring buffer. */ static void sata_trace_dmsg_free(void) { sata_trace_dmsg_t *dmsg_next, *dmsg = sata_debug_rbuf->dmsgh; while (dmsg != NULL) { dmsg_next = dmsg->next; kmem_free(dmsg, sizeof (sata_trace_dmsg_t)); /* * If we've looped around the ring than we're done. */ if (dmsg_next == sata_debug_rbuf->dmsgh) { break; } else { dmsg = dmsg_next; } } } /* * This function can block */ static void sata_trace_rbuf_alloc(void) { sata_debug_rbuf = kmem_zalloc(sizeof (sata_trace_rbuf_t), KM_SLEEP); mutex_init(&sata_debug_rbuf->lock, NULL, MUTEX_DRIVER, NULL); if (dmsg_ring_size > 0) { sata_debug_rbuf->maxsize = (size_t)dmsg_ring_size; } } static void sata_trace_rbuf_free(void) { sata_trace_dmsg_free(); mutex_destroy(&sata_debug_rbuf->lock); kmem_free(sata_debug_rbuf, sizeof (sata_trace_rbuf_t)); } /* * If SATA_DEBUG is not defined then this routine is called instead * of sata_log() via the SATA_LOG_D macro. */ static void sata_trace_log(sata_hba_inst_t *sata_hba_inst, uint_t level, const char *fmt, ...) { #ifndef __lock_lint _NOTE(ARGUNUSED(level)) #endif dev_info_t *dip = NULL; va_list ap; if (sata_hba_inst != NULL) { dip = SATA_DIP(sata_hba_inst); } va_start(ap, fmt); sata_vtrace_debug(dip, fmt, ap); va_end(ap); }