17c478bd9Sstevel@tonic-gate /* 28e56767dSsmall * CDDL HEADER START 38e56767dSsmall * 48e56767dSsmall * The contents of this file are subject to the terms of the 530082d0cSmyers * Common Development and Distribution License (the "License"). 630082d0cSmyers * You may not use this file except in compliance with the License. 78e56767dSsmall * 88e56767dSsmall * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 98e56767dSsmall * or http://www.opensolaris.org/os/licensing. 108e56767dSsmall * See the License for the specific language governing permissions 118e56767dSsmall * and limitations under the License. 128e56767dSsmall * 138e56767dSsmall * When distributing Covered Code, include this CDDL HEADER in each 148e56767dSsmall * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 158e56767dSsmall * If applicable, add the following below this CDDL HEADER, with the 168e56767dSsmall * fields enclosed by brackets "[]" replaced with your own identifying 178e56767dSsmall * information: Portions Copyright [yyyy] [name of copyright owner] 188e56767dSsmall * 198e56767dSsmall * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21450d6964Smyers 227c478bd9Sstevel@tonic-gate /* 230e751525SEric Saxe * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 26fa96bd91SMichael Corcoran /* 27fa96bd91SMichael Corcoran * Copyright (c) 2009, Intel Corporation. 28fa96bd91SMichael Corcoran * All rights reserved. 29fa96bd91SMichael Corcoran */ 308e56767dSsmall /* 318e56767dSsmall * ACPI CA OSL for Solaris x86 328e56767dSsmall */ 337c478bd9Sstevel@tonic-gate 347c478bd9Sstevel@tonic-gate #include <sys/types.h> 357c478bd9Sstevel@tonic-gate #include <sys/kmem.h> 367c478bd9Sstevel@tonic-gate #include <sys/psm.h> 377c478bd9Sstevel@tonic-gate #include <sys/pci_cfgspace.h> 38b9bfdccdSStuart Maybee #include <sys/apic.h> 397c478bd9Sstevel@tonic-gate #include <sys/ddi.h> 404b1ce0a9SDana Myers #include <sys/sunddi.h> 415cff7825Smh #include <sys/sunndi.h> 427c478bd9Sstevel@tonic-gate #include <sys/pci.h> 437c478bd9Sstevel@tonic-gate #include <sys/kobj.h> 447c478bd9Sstevel@tonic-gate #include <sys/taskq.h> 457c478bd9Sstevel@tonic-gate #include <sys/strlog.h> 467c478bd9Sstevel@tonic-gate #include <sys/note.h> 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate #include <sys/acpi/acpi.h> 497c478bd9Sstevel@tonic-gate #include <sys/acpica.h> 507c478bd9Sstevel@tonic-gate 517c478bd9Sstevel@tonic-gate #define MAX_DAT_FILE_SIZE (64*1024) 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate /* local functions */ 547c478bd9Sstevel@tonic-gate static int CompressEisaID(char *np); 557c478bd9Sstevel@tonic-gate 565cff7825Smh static void scan_d2a_map(void); 575cff7825Smh static void scan_d2a_subtree(dev_info_t *dip, ACPI_HANDLE acpiobj, int bus); 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate static int acpica_query_bbn_problem(void); 607c478bd9Sstevel@tonic-gate static int acpica_find_pcibus(int busno, ACPI_HANDLE *rh); 617c478bd9Sstevel@tonic-gate static int acpica_eval_hid(ACPI_HANDLE dev, char *method, int *rint); 625cff7825Smh static ACPI_STATUS acpica_set_devinfo(ACPI_HANDLE, dev_info_t *); 63fa96bd91SMichael Corcoran static ACPI_STATUS acpica_unset_devinfo(ACPI_HANDLE); 645cff7825Smh static void acpica_devinfo_handler(ACPI_HANDLE, UINT32, void *); 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate /* 677c478bd9Sstevel@tonic-gate * Event queue vars 687c478bd9Sstevel@tonic-gate */ 697c478bd9Sstevel@tonic-gate int acpica_eventq_init = 0; 7027f7c583Smyers ddi_taskq_t *osl_eventq[OSL_EC_BURST_HANDLER+1]; 717c478bd9Sstevel@tonic-gate 72db2bae30SDana Myers /* 73db2bae30SDana Myers * Priorities relative to minclsyspri that each taskq 74db2bae30SDana Myers * run at; OSL_NOTIFY_HANDLER needs to run at a higher 75db2bae30SDana Myers * priority than OSL_GPE_HANDLER. There's an implicit 76db2bae30SDana Myers * assumption that no priority here results in exceeding 77db2bae30SDana Myers * maxclsyspri. 78db2bae30SDana Myers * Note: these initializations need to match the order of 79db2bae30SDana Myers * ACPI_EXECUTE_TYPE. 80db2bae30SDana Myers */ 81db2bae30SDana Myers int osl_eventq_pri_delta[OSL_EC_BURST_HANDLER+1] = { 82db2bae30SDana Myers 0, /* OSL_GLOBAL_LOCK_HANDLER */ 83db2bae30SDana Myers 2, /* OSL_NOTIFY_HANDLER */ 84db2bae30SDana Myers 0, /* OSL_GPE_HANDLER */ 85db2bae30SDana Myers 0, /* OSL_DEBUGGER_THREAD */ 86db2bae30SDana Myers 0, /* OSL_EC_POLL_HANDLER */ 87db2bae30SDana Myers 0 /* OSL_EC_BURST_HANDLER */ 88db2bae30SDana Myers }; 89db2bae30SDana Myers 907c478bd9Sstevel@tonic-gate /* 917c478bd9Sstevel@tonic-gate * Note, if you change this path, you need to update 927c478bd9Sstevel@tonic-gate * /boot/grub/filelist.ramdisk and pkg SUNWckr/prototype_i386 937c478bd9Sstevel@tonic-gate */ 947c478bd9Sstevel@tonic-gate static char *acpi_table_path = "/boot/acpi/tables/"; 957c478bd9Sstevel@tonic-gate 965cff7825Smh /* non-zero while scan_d2a_map() is working */ 975cff7825Smh static int scanning_d2a_map = 0; 985cff7825Smh static int d2a_done = 0; 997c478bd9Sstevel@tonic-gate 100fa96bd91SMichael Corcoran /* features supported by ACPICA and ACPI device configuration. */ 101fa96bd91SMichael Corcoran uint64_t acpica_core_features = 0; 102fa96bd91SMichael Corcoran static uint64_t acpica_devcfg_features = 0; 103fa96bd91SMichael Corcoran 104137e2f25SGuoli Shu /* set by acpi_poweroff() in PSMs and appm_ioctl() in acpippm for S3 */ 105137e2f25SGuoli Shu int acpica_use_safe_delay = 0; 106859dcd3dSmyers 1075cff7825Smh /* CPU mapping data */ 1085cff7825Smh struct cpu_map_item { 109fa96bd91SMichael Corcoran processorid_t cpu_id; 110b6917abeSmishra UINT32 proc_id; 111fa96bd91SMichael Corcoran UINT32 apic_id; 1125cff7825Smh ACPI_HANDLE obj; 1135cff7825Smh }; 1145cff7825Smh 115fa96bd91SMichael Corcoran static kmutex_t cpu_map_lock; 1165cff7825Smh static struct cpu_map_item **cpu_map = NULL; 117fa96bd91SMichael Corcoran static int cpu_map_count_max = 0; 1185cff7825Smh static int cpu_map_count = 0; 1195cff7825Smh static int cpu_map_built = 0; 1205cff7825Smh 1215cff7825Smh static int acpi_has_broken_bbn = -1; 1225cff7825Smh 12387bb58d6Smyers /* buffer for AcpiOsVprintf() */ 12487bb58d6Smyers #define ACPI_OSL_PR_BUFLEN 1024 12587bb58d6Smyers static char *acpi_osl_pr_buffer = NULL; 12687bb58d6Smyers static int acpi_osl_pr_buflen; 12787bb58d6Smyers 1285cff7825Smh #define D2A_DEBUG 1295cff7825Smh 1307c478bd9Sstevel@tonic-gate /* 1317c478bd9Sstevel@tonic-gate * 1327c478bd9Sstevel@tonic-gate */ 1337c478bd9Sstevel@tonic-gate static void 1347c478bd9Sstevel@tonic-gate discard_event_queues() 1357c478bd9Sstevel@tonic-gate { 13627f7c583Smyers int i; 1377c478bd9Sstevel@tonic-gate 1387c478bd9Sstevel@tonic-gate /* 1397c478bd9Sstevel@tonic-gate * destroy event queues 1407c478bd9Sstevel@tonic-gate */ 14127f7c583Smyers for (i = OSL_GLOBAL_LOCK_HANDLER; i <= OSL_EC_BURST_HANDLER; i++) { 14227f7c583Smyers if (osl_eventq[i]) 14327f7c583Smyers ddi_taskq_destroy(osl_eventq[i]); 14427f7c583Smyers } 1457c478bd9Sstevel@tonic-gate } 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate /* 1497c478bd9Sstevel@tonic-gate * 1507c478bd9Sstevel@tonic-gate */ 1517c478bd9Sstevel@tonic-gate static ACPI_STATUS 1527c478bd9Sstevel@tonic-gate init_event_queues() 1537c478bd9Sstevel@tonic-gate { 15427f7c583Smyers char namebuf[32]; 15527f7c583Smyers int i, error = 0; 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate /* 1587c478bd9Sstevel@tonic-gate * Initialize event queues 1597c478bd9Sstevel@tonic-gate */ 1607c478bd9Sstevel@tonic-gate 161db2bae30SDana Myers /* Always allocate only 1 thread per queue to force FIFO execution */ 16227f7c583Smyers for (i = OSL_GLOBAL_LOCK_HANDLER; i <= OSL_EC_BURST_HANDLER; i++) { 16327f7c583Smyers snprintf(namebuf, 32, "ACPI%d", i); 164db2bae30SDana Myers osl_eventq[i] = ddi_taskq_create(NULL, namebuf, 1, 165db2bae30SDana Myers osl_eventq_pri_delta[i] + minclsyspri, 0); 16627f7c583Smyers if (osl_eventq[i] == NULL) 16727f7c583Smyers error++; 16827f7c583Smyers } 16927f7c583Smyers 17027f7c583Smyers if (error != 0) { 1717c478bd9Sstevel@tonic-gate discard_event_queues(); 1727c478bd9Sstevel@tonic-gate #ifdef DEBUG 1737c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "!acpica: could not initialize event queues"); 1747c478bd9Sstevel@tonic-gate #endif 1757c478bd9Sstevel@tonic-gate return (AE_ERROR); 1767c478bd9Sstevel@tonic-gate } 1777c478bd9Sstevel@tonic-gate 1787c478bd9Sstevel@tonic-gate acpica_eventq_init = 1; 1797c478bd9Sstevel@tonic-gate return (AE_OK); 1807c478bd9Sstevel@tonic-gate } 1817c478bd9Sstevel@tonic-gate 1827c478bd9Sstevel@tonic-gate /* 18387bb58d6Smyers * One-time initialization of OSL layer 1847c478bd9Sstevel@tonic-gate */ 1857c478bd9Sstevel@tonic-gate ACPI_STATUS 1867c478bd9Sstevel@tonic-gate AcpiOsInitialize(void) 1877c478bd9Sstevel@tonic-gate { 18887bb58d6Smyers /* 18987bb58d6Smyers * Allocate buffer for AcpiOsVprintf() here to avoid 19087bb58d6Smyers * kmem_alloc()/kmem_free() at high PIL 19187bb58d6Smyers */ 19287bb58d6Smyers acpi_osl_pr_buffer = kmem_alloc(ACPI_OSL_PR_BUFLEN, KM_SLEEP); 19387bb58d6Smyers if (acpi_osl_pr_buffer != NULL) 19487bb58d6Smyers acpi_osl_pr_buflen = ACPI_OSL_PR_BUFLEN; 19587bb58d6Smyers 1967c478bd9Sstevel@tonic-gate return (AE_OK); 1977c478bd9Sstevel@tonic-gate } 1987c478bd9Sstevel@tonic-gate 1997c478bd9Sstevel@tonic-gate /* 20087bb58d6Smyers * One-time shut-down of OSL layer 2017c478bd9Sstevel@tonic-gate */ 2027c478bd9Sstevel@tonic-gate ACPI_STATUS 2037c478bd9Sstevel@tonic-gate AcpiOsTerminate(void) 2047c478bd9Sstevel@tonic-gate { 2057c478bd9Sstevel@tonic-gate 20687bb58d6Smyers if (acpi_osl_pr_buffer != NULL) 20787bb58d6Smyers kmem_free(acpi_osl_pr_buffer, acpi_osl_pr_buflen); 20887bb58d6Smyers 2097c478bd9Sstevel@tonic-gate discard_event_queues(); 2107c478bd9Sstevel@tonic-gate return (AE_OK); 2117c478bd9Sstevel@tonic-gate } 2127c478bd9Sstevel@tonic-gate 2137c478bd9Sstevel@tonic-gate 214db2bae30SDana Myers ACPI_PHYSICAL_ADDRESS 215db2bae30SDana Myers AcpiOsGetRootPointer() 2167c478bd9Sstevel@tonic-gate { 217db2bae30SDana Myers ACPI_PHYSICAL_ADDRESS Address; 218f2be5148Sszhou 219f2be5148Sszhou /* 220f2be5148Sszhou * For EFI firmware, the root pointer is defined in EFI systab. 221f2be5148Sszhou * The boot code process the table and put the physical address 222f2be5148Sszhou * in the acpi-root-tab property. 223f2be5148Sszhou */ 224c1381f44SDana Myers Address = ddi_prop_get_int(DDI_DEV_T_ANY, ddi_root_node(), 225c1381f44SDana Myers DDI_PROP_DONTPASS, "acpi-root-tab", NULL); 226db2bae30SDana Myers 227db2bae30SDana Myers if ((Address == NULL) && ACPI_FAILURE(AcpiFindRootPointer(&Address))) 228db2bae30SDana Myers Address = NULL; 229db2bae30SDana Myers 230db2bae30SDana Myers return (Address); 2317c478bd9Sstevel@tonic-gate } 2327c478bd9Sstevel@tonic-gate 2337c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 2347c478bd9Sstevel@tonic-gate ACPI_STATUS 2357c478bd9Sstevel@tonic-gate AcpiOsPredefinedOverride(const ACPI_PREDEFINED_NAMES *InitVal, 2367c478bd9Sstevel@tonic-gate ACPI_STRING *NewVal) 2377c478bd9Sstevel@tonic-gate { 2387c478bd9Sstevel@tonic-gate 2397c478bd9Sstevel@tonic-gate *NewVal = 0; 2407c478bd9Sstevel@tonic-gate return (AE_OK); 2417c478bd9Sstevel@tonic-gate } 2427c478bd9Sstevel@tonic-gate 2437c478bd9Sstevel@tonic-gate static void 2447c478bd9Sstevel@tonic-gate acpica_strncpy(char *dest, const char *src, int len) 2457c478bd9Sstevel@tonic-gate { 2467c478bd9Sstevel@tonic-gate 2477c478bd9Sstevel@tonic-gate /*LINTED*/ 2487c478bd9Sstevel@tonic-gate while ((*dest++ = *src++) && (--len > 0)) 2497c478bd9Sstevel@tonic-gate /* copy the string */; 2507c478bd9Sstevel@tonic-gate *dest = '\0'; 2517c478bd9Sstevel@tonic-gate } 2527c478bd9Sstevel@tonic-gate 2537c478bd9Sstevel@tonic-gate ACPI_STATUS 2547c478bd9Sstevel@tonic-gate AcpiOsTableOverride(ACPI_TABLE_HEADER *ExistingTable, 2557c478bd9Sstevel@tonic-gate ACPI_TABLE_HEADER **NewTable) 2567c478bd9Sstevel@tonic-gate { 2577c478bd9Sstevel@tonic-gate char signature[5]; 2587c478bd9Sstevel@tonic-gate char oemid[7]; 2597c478bd9Sstevel@tonic-gate char oemtableid[9]; 2607c478bd9Sstevel@tonic-gate struct _buf *file; 2617c478bd9Sstevel@tonic-gate char *buf1, *buf2; 2627c478bd9Sstevel@tonic-gate int count; 2637c478bd9Sstevel@tonic-gate char acpi_table_loc[128]; 2647c478bd9Sstevel@tonic-gate 2657c478bd9Sstevel@tonic-gate acpica_strncpy(signature, ExistingTable->Signature, 4); 2667c478bd9Sstevel@tonic-gate acpica_strncpy(oemid, ExistingTable->OemId, 6); 2677c478bd9Sstevel@tonic-gate acpica_strncpy(oemtableid, ExistingTable->OemTableId, 8); 2687c478bd9Sstevel@tonic-gate 2697c478bd9Sstevel@tonic-gate #ifdef DEBUG 2707c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "!acpica: table [%s] v%d OEM ID [%s]" 2715dff2f34Smyers " OEM TABLE ID [%s] OEM rev %x", 2725dff2f34Smyers signature, ExistingTable->Revision, oemid, oemtableid, 2735dff2f34Smyers ExistingTable->OemRevision); 2747c478bd9Sstevel@tonic-gate #endif 2757c478bd9Sstevel@tonic-gate 2767c478bd9Sstevel@tonic-gate /* File name format is "signature_oemid_oemtableid.dat" */ 2777c478bd9Sstevel@tonic-gate (void) strcpy(acpi_table_loc, acpi_table_path); 2787c478bd9Sstevel@tonic-gate (void) strcat(acpi_table_loc, signature); /* for example, DSDT */ 2797c478bd9Sstevel@tonic-gate (void) strcat(acpi_table_loc, "_"); 2807c478bd9Sstevel@tonic-gate (void) strcat(acpi_table_loc, oemid); /* for example, IntelR */ 2817c478bd9Sstevel@tonic-gate (void) strcat(acpi_table_loc, "_"); 2827c478bd9Sstevel@tonic-gate (void) strcat(acpi_table_loc, oemtableid); /* for example, AWRDACPI */ 2837c478bd9Sstevel@tonic-gate (void) strcat(acpi_table_loc, ".dat"); 2847c478bd9Sstevel@tonic-gate 2857c478bd9Sstevel@tonic-gate file = kobj_open_file(acpi_table_loc); 2867c478bd9Sstevel@tonic-gate if (file == (struct _buf *)-1) { 2877c478bd9Sstevel@tonic-gate *NewTable = 0; 2887c478bd9Sstevel@tonic-gate return (AE_OK); 2897c478bd9Sstevel@tonic-gate } else { 2907c478bd9Sstevel@tonic-gate buf1 = (char *)kmem_alloc(MAX_DAT_FILE_SIZE, KM_SLEEP); 2917c478bd9Sstevel@tonic-gate count = kobj_read_file(file, buf1, MAX_DAT_FILE_SIZE-1, 0); 2927c478bd9Sstevel@tonic-gate if (count >= MAX_DAT_FILE_SIZE) { 2937c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "!acpica: table %s file size too big", 2947c478bd9Sstevel@tonic-gate acpi_table_loc); 2957c478bd9Sstevel@tonic-gate *NewTable = 0; 2967c478bd9Sstevel@tonic-gate } else { 2977c478bd9Sstevel@tonic-gate buf2 = (char *)kmem_alloc(count, KM_SLEEP); 2987c478bd9Sstevel@tonic-gate (void) memcpy(buf2, buf1, count); 2997c478bd9Sstevel@tonic-gate *NewTable = (ACPI_TABLE_HEADER *)buf2; 3007c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "!acpica: replacing table: %s", 3017c478bd9Sstevel@tonic-gate acpi_table_loc); 3027c478bd9Sstevel@tonic-gate } 3037c478bd9Sstevel@tonic-gate } 3047c478bd9Sstevel@tonic-gate kobj_close_file(file); 3057c478bd9Sstevel@tonic-gate kmem_free(buf1, MAX_DAT_FILE_SIZE); 3067c478bd9Sstevel@tonic-gate 3077c478bd9Sstevel@tonic-gate return (AE_OK); 3087c478bd9Sstevel@tonic-gate } 3097c478bd9Sstevel@tonic-gate 3107c478bd9Sstevel@tonic-gate 31130082d0cSmyers /* 31230082d0cSmyers * ACPI semaphore implementation 31330082d0cSmyers */ 31430082d0cSmyers typedef struct { 31530082d0cSmyers kmutex_t mutex; 31630082d0cSmyers kcondvar_t cv; 31730082d0cSmyers uint32_t available; 31830082d0cSmyers uint32_t initial; 31930082d0cSmyers uint32_t maximum; 32030082d0cSmyers } acpi_sema_t; 32130082d0cSmyers 32230082d0cSmyers /* 32330082d0cSmyers * 32430082d0cSmyers */ 32530082d0cSmyers void 32627f7c583Smyers acpi_sema_init(acpi_sema_t *sp, unsigned max, unsigned count) 32730082d0cSmyers { 32830082d0cSmyers mutex_init(&sp->mutex, NULL, MUTEX_DRIVER, NULL); 32930082d0cSmyers cv_init(&sp->cv, NULL, CV_DRIVER, NULL); 33030082d0cSmyers /* no need to enter mutex here at creation */ 33130082d0cSmyers sp->available = count; 33230082d0cSmyers sp->initial = count; 33330082d0cSmyers sp->maximum = max; 33430082d0cSmyers } 33530082d0cSmyers 33630082d0cSmyers /* 33730082d0cSmyers * 33830082d0cSmyers */ 33930082d0cSmyers void 34030082d0cSmyers acpi_sema_destroy(acpi_sema_t *sp) 34130082d0cSmyers { 34230082d0cSmyers 34330082d0cSmyers cv_destroy(&sp->cv); 34430082d0cSmyers mutex_destroy(&sp->mutex); 34530082d0cSmyers } 34630082d0cSmyers 34730082d0cSmyers /* 34830082d0cSmyers * 34930082d0cSmyers */ 35030082d0cSmyers ACPI_STATUS 35130082d0cSmyers acpi_sema_p(acpi_sema_t *sp, unsigned count, uint16_t wait_time) 35230082d0cSmyers { 35330082d0cSmyers ACPI_STATUS rv = AE_OK; 35430082d0cSmyers clock_t deadline; 35530082d0cSmyers 35630082d0cSmyers mutex_enter(&sp->mutex); 35730082d0cSmyers 35830082d0cSmyers if (sp->available >= count) { 35930082d0cSmyers /* 36030082d0cSmyers * Enough units available, no blocking 36130082d0cSmyers */ 36230082d0cSmyers sp->available -= count; 36330082d0cSmyers mutex_exit(&sp->mutex); 36430082d0cSmyers return (rv); 36530082d0cSmyers } else if (wait_time == 0) { 36630082d0cSmyers /* 36730082d0cSmyers * Not enough units available and timeout 36830082d0cSmyers * specifies no blocking 36930082d0cSmyers */ 37030082d0cSmyers rv = AE_TIME; 37130082d0cSmyers mutex_exit(&sp->mutex); 37230082d0cSmyers return (rv); 37330082d0cSmyers } 37430082d0cSmyers 37530082d0cSmyers /* 37630082d0cSmyers * Not enough units available and timeout specifies waiting 37730082d0cSmyers */ 37830082d0cSmyers if (wait_time != ACPI_WAIT_FOREVER) 37930082d0cSmyers deadline = ddi_get_lbolt() + 38030082d0cSmyers (clock_t)drv_usectohz(wait_time * 1000); 38130082d0cSmyers 38230082d0cSmyers do { 38330082d0cSmyers if (wait_time == ACPI_WAIT_FOREVER) 38430082d0cSmyers cv_wait(&sp->cv, &sp->mutex); 38530082d0cSmyers else if (cv_timedwait(&sp->cv, &sp->mutex, deadline) < 0) { 38630082d0cSmyers rv = AE_TIME; 38730082d0cSmyers break; 38830082d0cSmyers } 38930082d0cSmyers } while (sp->available < count); 39030082d0cSmyers 39130082d0cSmyers /* if we dropped out of the wait with AE_OK, we got the units */ 39230082d0cSmyers if (rv == AE_OK) 39330082d0cSmyers sp->available -= count; 39430082d0cSmyers 39530082d0cSmyers mutex_exit(&sp->mutex); 39630082d0cSmyers return (rv); 39730082d0cSmyers } 39830082d0cSmyers 39930082d0cSmyers /* 40030082d0cSmyers * 40130082d0cSmyers */ 40230082d0cSmyers void 40330082d0cSmyers acpi_sema_v(acpi_sema_t *sp, unsigned count) 40430082d0cSmyers { 40530082d0cSmyers mutex_enter(&sp->mutex); 40630082d0cSmyers sp->available += count; 40730082d0cSmyers cv_broadcast(&sp->cv); 40830082d0cSmyers mutex_exit(&sp->mutex); 40930082d0cSmyers } 41030082d0cSmyers 41130082d0cSmyers 4127c478bd9Sstevel@tonic-gate ACPI_STATUS 4137c478bd9Sstevel@tonic-gate AcpiOsCreateSemaphore(UINT32 MaxUnits, UINT32 InitialUnits, 4147c478bd9Sstevel@tonic-gate ACPI_HANDLE *OutHandle) 4157c478bd9Sstevel@tonic-gate { 41630082d0cSmyers acpi_sema_t *sp; 4177c478bd9Sstevel@tonic-gate 4187c478bd9Sstevel@tonic-gate if ((OutHandle == NULL) || (InitialUnits > MaxUnits)) 4197c478bd9Sstevel@tonic-gate return (AE_BAD_PARAMETER); 4207c478bd9Sstevel@tonic-gate 42130082d0cSmyers sp = (acpi_sema_t *)kmem_alloc(sizeof (acpi_sema_t), KM_SLEEP); 42227f7c583Smyers acpi_sema_init(sp, MaxUnits, InitialUnits); 42330082d0cSmyers *OutHandle = (ACPI_HANDLE)sp; 4247c478bd9Sstevel@tonic-gate return (AE_OK); 4257c478bd9Sstevel@tonic-gate } 4267c478bd9Sstevel@tonic-gate 4277c478bd9Sstevel@tonic-gate 4287c478bd9Sstevel@tonic-gate ACPI_STATUS 4297c478bd9Sstevel@tonic-gate AcpiOsDeleteSemaphore(ACPI_HANDLE Handle) 4307c478bd9Sstevel@tonic-gate { 4317c478bd9Sstevel@tonic-gate 43230082d0cSmyers if (Handle == NULL) 43330082d0cSmyers return (AE_BAD_PARAMETER); 43430082d0cSmyers 43530082d0cSmyers acpi_sema_destroy((acpi_sema_t *)Handle); 43630082d0cSmyers kmem_free((void *)Handle, sizeof (acpi_sema_t)); 4377c478bd9Sstevel@tonic-gate return (AE_OK); 4387c478bd9Sstevel@tonic-gate } 4397c478bd9Sstevel@tonic-gate 4407c478bd9Sstevel@tonic-gate ACPI_STATUS 4417c478bd9Sstevel@tonic-gate AcpiOsWaitSemaphore(ACPI_HANDLE Handle, UINT32 Units, UINT16 Timeout) 4427c478bd9Sstevel@tonic-gate { 4437c478bd9Sstevel@tonic-gate 44430082d0cSmyers if ((Handle == NULL) || (Units < 1)) 44530082d0cSmyers return (AE_BAD_PARAMETER); 4467c478bd9Sstevel@tonic-gate 44730082d0cSmyers return (acpi_sema_p((acpi_sema_t *)Handle, Units, Timeout)); 4487c478bd9Sstevel@tonic-gate } 4497c478bd9Sstevel@tonic-gate 4507c478bd9Sstevel@tonic-gate ACPI_STATUS 4517c478bd9Sstevel@tonic-gate AcpiOsSignalSemaphore(ACPI_HANDLE Handle, UINT32 Units) 4527c478bd9Sstevel@tonic-gate { 4537c478bd9Sstevel@tonic-gate 45430082d0cSmyers if ((Handle == NULL) || (Units < 1)) 45530082d0cSmyers return (AE_BAD_PARAMETER); 45630082d0cSmyers 45730082d0cSmyers acpi_sema_v((acpi_sema_t *)Handle, Units); 4587c478bd9Sstevel@tonic-gate return (AE_OK); 4597c478bd9Sstevel@tonic-gate } 4607c478bd9Sstevel@tonic-gate 4617c478bd9Sstevel@tonic-gate ACPI_STATUS 4627c478bd9Sstevel@tonic-gate AcpiOsCreateLock(ACPI_HANDLE *OutHandle) 4637c478bd9Sstevel@tonic-gate { 46430082d0cSmyers kmutex_t *mp; 4657c478bd9Sstevel@tonic-gate 4667c478bd9Sstevel@tonic-gate if (OutHandle == NULL) 4677c478bd9Sstevel@tonic-gate return (AE_BAD_PARAMETER); 4687c478bd9Sstevel@tonic-gate 46930082d0cSmyers mp = (kmutex_t *)kmem_alloc(sizeof (kmutex_t), KM_SLEEP); 47030082d0cSmyers mutex_init(mp, NULL, MUTEX_DRIVER, NULL); 47130082d0cSmyers *OutHandle = (ACPI_HANDLE)mp; 4727c478bd9Sstevel@tonic-gate return (AE_OK); 4737c478bd9Sstevel@tonic-gate } 4747c478bd9Sstevel@tonic-gate 4757c478bd9Sstevel@tonic-gate void 4767c478bd9Sstevel@tonic-gate AcpiOsDeleteLock(ACPI_HANDLE Handle) 4777c478bd9Sstevel@tonic-gate { 47830082d0cSmyers 47930082d0cSmyers if (Handle == NULL) 48030082d0cSmyers return; 48130082d0cSmyers 48230082d0cSmyers mutex_destroy((kmutex_t *)Handle); 48330082d0cSmyers kmem_free((void *)Handle, sizeof (kmutex_t)); 4847c478bd9Sstevel@tonic-gate } 4857c478bd9Sstevel@tonic-gate 486db2bae30SDana Myers ACPI_CPU_FLAGS 487450d6964Smyers AcpiOsAcquireLock(ACPI_HANDLE Handle) 4887c478bd9Sstevel@tonic-gate { 48930082d0cSmyers 4900e751525SEric Saxe 4910e751525SEric Saxe if (Handle == NULL) 4920e751525SEric Saxe return (AE_BAD_PARAMETER); 4930e751525SEric Saxe 4940e751525SEric Saxe if (curthread == CPU->cpu_idle_thread) { 4950e751525SEric Saxe while (!mutex_tryenter((kmutex_t *)Handle)) 4960e751525SEric Saxe /* spin */; 4970e751525SEric Saxe } else 4980e751525SEric Saxe mutex_enter((kmutex_t *)Handle); 4990e751525SEric Saxe return (AE_OK); 5007c478bd9Sstevel@tonic-gate } 5017c478bd9Sstevel@tonic-gate 5027c478bd9Sstevel@tonic-gate void 503db2bae30SDana Myers AcpiOsReleaseLock(ACPI_HANDLE Handle, ACPI_CPU_FLAGS Flags) 5047c478bd9Sstevel@tonic-gate { 505450d6964Smyers _NOTE(ARGUNUSED(Flags)) 5067c478bd9Sstevel@tonic-gate 50730082d0cSmyers mutex_exit((kmutex_t *)Handle); 5087c478bd9Sstevel@tonic-gate } 5097c478bd9Sstevel@tonic-gate 5107c478bd9Sstevel@tonic-gate 5117c478bd9Sstevel@tonic-gate void * 5127c478bd9Sstevel@tonic-gate AcpiOsAllocate(ACPI_SIZE Size) 5137c478bd9Sstevel@tonic-gate { 5147c478bd9Sstevel@tonic-gate ACPI_SIZE *tmp_ptr; 5157c478bd9Sstevel@tonic-gate 5167c478bd9Sstevel@tonic-gate Size += sizeof (Size); 5177c478bd9Sstevel@tonic-gate tmp_ptr = (ACPI_SIZE *)kmem_zalloc(Size, KM_SLEEP); 5187c478bd9Sstevel@tonic-gate *tmp_ptr++ = Size; 51930082d0cSmyers return (tmp_ptr); 5207c478bd9Sstevel@tonic-gate } 5217c478bd9Sstevel@tonic-gate 5227c478bd9Sstevel@tonic-gate void 5237c478bd9Sstevel@tonic-gate AcpiOsFree(void *Memory) 5247c478bd9Sstevel@tonic-gate { 5257c478bd9Sstevel@tonic-gate ACPI_SIZE size, *tmp_ptr; 5267c478bd9Sstevel@tonic-gate 5277c478bd9Sstevel@tonic-gate tmp_ptr = (ACPI_SIZE *)Memory; 5287c478bd9Sstevel@tonic-gate tmp_ptr -= 1; 5297c478bd9Sstevel@tonic-gate size = *tmp_ptr; 53030082d0cSmyers kmem_free(tmp_ptr, size); 5317c478bd9Sstevel@tonic-gate } 5327c478bd9Sstevel@tonic-gate 533b9bfdccdSStuart Maybee static int napics_found; /* number of ioapic addresses in array */ 534b9bfdccdSStuart Maybee static ACPI_PHYSICAL_ADDRESS ioapic_paddr[MAX_IO_APIC]; 535b9bfdccdSStuart Maybee static ACPI_TABLE_MADT *acpi_mapic_dtp = NULL; 536b9bfdccdSStuart Maybee static void *dummy_ioapicadr; 537b9bfdccdSStuart Maybee 538b9bfdccdSStuart Maybee void 539b9bfdccdSStuart Maybee acpica_find_ioapics(void) 540b9bfdccdSStuart Maybee { 541b9bfdccdSStuart Maybee int madt_seen, madt_size; 542b9bfdccdSStuart Maybee ACPI_SUBTABLE_HEADER *ap; 543b9bfdccdSStuart Maybee ACPI_MADT_IO_APIC *mia; 544b9bfdccdSStuart Maybee 545b9bfdccdSStuart Maybee if (acpi_mapic_dtp != NULL) 546b9bfdccdSStuart Maybee return; /* already parsed table */ 547b9bfdccdSStuart Maybee if (AcpiGetTable(ACPI_SIG_MADT, 1, 548b9bfdccdSStuart Maybee (ACPI_TABLE_HEADER **) &acpi_mapic_dtp) != AE_OK) 549b9bfdccdSStuart Maybee return; 550b9bfdccdSStuart Maybee 551b9bfdccdSStuart Maybee napics_found = 0; 552b9bfdccdSStuart Maybee 553b9bfdccdSStuart Maybee /* 554b9bfdccdSStuart Maybee * Search the MADT for ioapics 555b9bfdccdSStuart Maybee */ 556b9bfdccdSStuart Maybee ap = (ACPI_SUBTABLE_HEADER *) (acpi_mapic_dtp + 1); 557b9bfdccdSStuart Maybee madt_size = acpi_mapic_dtp->Header.Length; 558b9bfdccdSStuart Maybee madt_seen = sizeof (*acpi_mapic_dtp); 559b9bfdccdSStuart Maybee 560b9bfdccdSStuart Maybee while (madt_seen < madt_size) { 561b9bfdccdSStuart Maybee 562b9bfdccdSStuart Maybee switch (ap->Type) { 563b9bfdccdSStuart Maybee case ACPI_MADT_TYPE_IO_APIC: 564b9bfdccdSStuart Maybee mia = (ACPI_MADT_IO_APIC *) ap; 565b9bfdccdSStuart Maybee if (napics_found < MAX_IO_APIC) { 566b9bfdccdSStuart Maybee ioapic_paddr[napics_found++] = 567b9bfdccdSStuart Maybee (ACPI_PHYSICAL_ADDRESS) 568b9bfdccdSStuart Maybee (mia->Address & PAGEMASK); 569b9bfdccdSStuart Maybee } 570b9bfdccdSStuart Maybee break; 571b9bfdccdSStuart Maybee 572b9bfdccdSStuart Maybee default: 573b9bfdccdSStuart Maybee break; 574b9bfdccdSStuart Maybee } 575b9bfdccdSStuart Maybee 576b9bfdccdSStuart Maybee /* advance to next entry */ 577b9bfdccdSStuart Maybee madt_seen += ap->Length; 578b9bfdccdSStuart Maybee ap = (ACPI_SUBTABLE_HEADER *)(((char *)ap) + ap->Length); 579b9bfdccdSStuart Maybee } 580b9bfdccdSStuart Maybee if (dummy_ioapicadr == NULL) 581b9bfdccdSStuart Maybee dummy_ioapicadr = kmem_zalloc(PAGESIZE, KM_SLEEP); 582b9bfdccdSStuart Maybee } 583b9bfdccdSStuart Maybee 584b9bfdccdSStuart Maybee 585db2bae30SDana Myers void * 586db2bae30SDana Myers AcpiOsMapMemory(ACPI_PHYSICAL_ADDRESS PhysicalAddress, ACPI_SIZE Size) 5877c478bd9Sstevel@tonic-gate { 588b9bfdccdSStuart Maybee int i; 589b9bfdccdSStuart Maybee 590b9bfdccdSStuart Maybee /* 591b9bfdccdSStuart Maybee * If the iopaic address table is populated, check if trying 592b9bfdccdSStuart Maybee * to access an ioapic. Instead, return a pointer to a dummy ioapic. 593b9bfdccdSStuart Maybee */ 594b9bfdccdSStuart Maybee for (i = 0; i < napics_found; i++) { 595b9bfdccdSStuart Maybee if ((PhysicalAddress & PAGEMASK) == ioapic_paddr[i]) 596b9bfdccdSStuart Maybee return (dummy_ioapicadr); 597b9bfdccdSStuart Maybee } 5987c478bd9Sstevel@tonic-gate /* FUTUREWORK: test PhysicalAddress for > 32 bits */ 599db2bae30SDana Myers return (psm_map_new((paddr_t)PhysicalAddress, 600db2bae30SDana Myers (size_t)Size, PSM_PROT_WRITE | PSM_PROT_READ)); 6017c478bd9Sstevel@tonic-gate } 6027c478bd9Sstevel@tonic-gate 6037c478bd9Sstevel@tonic-gate void 6047c478bd9Sstevel@tonic-gate AcpiOsUnmapMemory(void *LogicalAddress, ACPI_SIZE Size) 6057c478bd9Sstevel@tonic-gate { 606b9bfdccdSStuart Maybee /* 607b9bfdccdSStuart Maybee * Check if trying to unmap dummy ioapic address. 608b9bfdccdSStuart Maybee */ 609b9bfdccdSStuart Maybee if (LogicalAddress == dummy_ioapicadr) 610b9bfdccdSStuart Maybee return; 6117c478bd9Sstevel@tonic-gate 6127c478bd9Sstevel@tonic-gate psm_unmap((caddr_t)LogicalAddress, (size_t)Size); 6137c478bd9Sstevel@tonic-gate } 6147c478bd9Sstevel@tonic-gate 6157c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 6167c478bd9Sstevel@tonic-gate ACPI_STATUS 6177c478bd9Sstevel@tonic-gate AcpiOsGetPhysicalAddress(void *LogicalAddress, 6187c478bd9Sstevel@tonic-gate ACPI_PHYSICAL_ADDRESS *PhysicalAddress) 6197c478bd9Sstevel@tonic-gate { 6207c478bd9Sstevel@tonic-gate 6217c478bd9Sstevel@tonic-gate /* UNIMPLEMENTED: not invoked by ACPI CA code */ 62203335b7aSmyers return (AE_NOT_IMPLEMENTED); 6237c478bd9Sstevel@tonic-gate } 6247c478bd9Sstevel@tonic-gate 6257c478bd9Sstevel@tonic-gate 6267c478bd9Sstevel@tonic-gate ACPI_OSD_HANDLER acpi_isr; 6277c478bd9Sstevel@tonic-gate void *acpi_isr_context; 6287c478bd9Sstevel@tonic-gate 6297c478bd9Sstevel@tonic-gate uint_t 6307c478bd9Sstevel@tonic-gate acpi_wrapper_isr(char *arg) 6317c478bd9Sstevel@tonic-gate { 6327c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(arg)) 6337c478bd9Sstevel@tonic-gate 6347c478bd9Sstevel@tonic-gate int status; 6357c478bd9Sstevel@tonic-gate 6367c478bd9Sstevel@tonic-gate status = (*acpi_isr)(acpi_isr_context); 6377c478bd9Sstevel@tonic-gate 6387c478bd9Sstevel@tonic-gate if (status == ACPI_INTERRUPT_HANDLED) { 6397c478bd9Sstevel@tonic-gate return (DDI_INTR_CLAIMED); 6407c478bd9Sstevel@tonic-gate } else { 6417c478bd9Sstevel@tonic-gate return (DDI_INTR_UNCLAIMED); 6427c478bd9Sstevel@tonic-gate } 6437c478bd9Sstevel@tonic-gate } 6447c478bd9Sstevel@tonic-gate 645186507a7Smyers static int acpi_intr_hooked = 0; 6467c478bd9Sstevel@tonic-gate 6477c478bd9Sstevel@tonic-gate ACPI_STATUS 6487c478bd9Sstevel@tonic-gate AcpiOsInstallInterruptHandler(UINT32 InterruptNumber, 6497c478bd9Sstevel@tonic-gate ACPI_OSD_HANDLER ServiceRoutine, 6507c478bd9Sstevel@tonic-gate void *Context) 6517c478bd9Sstevel@tonic-gate { 65227f7c583Smyers _NOTE(ARGUNUSED(InterruptNumber)) 65327f7c583Smyers 6547c478bd9Sstevel@tonic-gate int retval; 655450d6964Smyers int sci_vect; 656450d6964Smyers iflag_t sci_flags; 6577c478bd9Sstevel@tonic-gate 6587c478bd9Sstevel@tonic-gate acpi_isr = ServiceRoutine; 6597c478bd9Sstevel@tonic-gate acpi_isr_context = Context; 6607c478bd9Sstevel@tonic-gate 6617c478bd9Sstevel@tonic-gate /* 662450d6964Smyers * Get SCI (adjusted for PIC/APIC mode if necessary) 6637c478bd9Sstevel@tonic-gate */ 664450d6964Smyers if (acpica_get_sci(&sci_vect, &sci_flags) != AE_OK) { 665450d6964Smyers return (AE_ERROR); 666450d6964Smyers } 667450d6964Smyers 668450d6964Smyers #ifdef DEBUG 669450d6964Smyers cmn_err(CE_NOTE, "!acpica: attaching SCI %d", sci_vect); 670450d6964Smyers #endif 671450d6964Smyers 6727c478bd9Sstevel@tonic-gate retval = add_avintr(NULL, SCI_IPL, (avfunc)acpi_wrapper_isr, 6735dff2f34Smyers "ACPI SCI", sci_vect, NULL, NULL, NULL, NULL); 6747c478bd9Sstevel@tonic-gate if (retval) { 675186507a7Smyers acpi_intr_hooked = 1; 6767c478bd9Sstevel@tonic-gate return (AE_OK); 677186507a7Smyers } else 6787c478bd9Sstevel@tonic-gate return (AE_BAD_PARAMETER); 6797c478bd9Sstevel@tonic-gate } 6807c478bd9Sstevel@tonic-gate 6817c478bd9Sstevel@tonic-gate ACPI_STATUS 6827c478bd9Sstevel@tonic-gate AcpiOsRemoveInterruptHandler(UINT32 InterruptNumber, 6837c478bd9Sstevel@tonic-gate ACPI_OSD_HANDLER ServiceRoutine) 6847c478bd9Sstevel@tonic-gate { 6857c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(ServiceRoutine)) 6867c478bd9Sstevel@tonic-gate 6877c478bd9Sstevel@tonic-gate #ifdef DEBUG 6887c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "!acpica: detaching SCI %d", InterruptNumber); 6897c478bd9Sstevel@tonic-gate #endif 690186507a7Smyers if (acpi_intr_hooked) { 6917c478bd9Sstevel@tonic-gate rem_avintr(NULL, LOCK_LEVEL - 1, (avfunc)acpi_wrapper_isr, 6925dff2f34Smyers InterruptNumber); 693186507a7Smyers acpi_intr_hooked = 0; 6947c478bd9Sstevel@tonic-gate } 6957c478bd9Sstevel@tonic-gate return (AE_OK); 6967c478bd9Sstevel@tonic-gate } 6977c478bd9Sstevel@tonic-gate 6987c478bd9Sstevel@tonic-gate 69927f7c583Smyers ACPI_THREAD_ID 7007c478bd9Sstevel@tonic-gate AcpiOsGetThreadId(void) 7017c478bd9Sstevel@tonic-gate { 70227f7c583Smyers /* 703*aa2aa9a6SDana Myers * ACPI CA doesn't care what actual value is returned as long 704*aa2aa9a6SDana Myers * as it is non-zero and unique to each existing thread. 705*aa2aa9a6SDana Myers * ACPI CA assumes that thread ID is castable to a pointer, 706*aa2aa9a6SDana Myers * so we use the current thread pointer. 70727f7c583Smyers */ 708*aa2aa9a6SDana Myers return (curthread); 7097c478bd9Sstevel@tonic-gate } 7107c478bd9Sstevel@tonic-gate 7117c478bd9Sstevel@tonic-gate /* 7127c478bd9Sstevel@tonic-gate * 7137c478bd9Sstevel@tonic-gate */ 7147c478bd9Sstevel@tonic-gate ACPI_STATUS 71527f7c583Smyers AcpiOsExecute(ACPI_EXECUTE_TYPE Type, ACPI_OSD_EXEC_CALLBACK Function, 71627f7c583Smyers void *Context) 7177c478bd9Sstevel@tonic-gate { 7187c478bd9Sstevel@tonic-gate 7197c478bd9Sstevel@tonic-gate if (!acpica_eventq_init) { 7207c478bd9Sstevel@tonic-gate /* 7217c478bd9Sstevel@tonic-gate * Create taskqs for event handling 7227c478bd9Sstevel@tonic-gate */ 7237c478bd9Sstevel@tonic-gate if (init_event_queues() != AE_OK) 7245dff2f34Smyers return (AE_ERROR); 7257c478bd9Sstevel@tonic-gate } 7267c478bd9Sstevel@tonic-gate 72727f7c583Smyers if (ddi_taskq_dispatch(osl_eventq[Type], Function, Context, 72827f7c583Smyers DDI_NOSLEEP) == DDI_FAILURE) { 7297c478bd9Sstevel@tonic-gate #ifdef DEBUG 7307c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "!acpica: unable to dispatch event"); 7317c478bd9Sstevel@tonic-gate #endif 7327c478bd9Sstevel@tonic-gate return (AE_ERROR); 7337c478bd9Sstevel@tonic-gate } 7347c478bd9Sstevel@tonic-gate return (AE_OK); 7357c478bd9Sstevel@tonic-gate 7367c478bd9Sstevel@tonic-gate } 7377c478bd9Sstevel@tonic-gate 7387c478bd9Sstevel@tonic-gate void 7397c478bd9Sstevel@tonic-gate AcpiOsSleep(ACPI_INTEGER Milliseconds) 7407c478bd9Sstevel@tonic-gate { 7417c478bd9Sstevel@tonic-gate /* 742137e2f25SGuoli Shu * During kernel startup, before the first tick interrupt 743137e2f25SGuoli Shu * has taken place, we can't call delay; very late in 744137e2f25SGuoli Shu * kernel shutdown or suspend/resume, clock interrupts 745859dcd3dSmyers * are blocked, so delay doesn't work then either. 746859dcd3dSmyers * So we busy wait if lbolt == 0 (kernel startup) 747137e2f25SGuoli Shu * or if acpica_use_safe_delay has been set to a 748137e2f25SGuoli Shu * non-zero value. 7497c478bd9Sstevel@tonic-gate */ 750137e2f25SGuoli Shu if ((ddi_get_lbolt() == 0) || acpica_use_safe_delay) 7517c478bd9Sstevel@tonic-gate drv_usecwait(Milliseconds * 1000); 7527c478bd9Sstevel@tonic-gate else 7537c478bd9Sstevel@tonic-gate delay(drv_usectohz(Milliseconds * 1000)); 7547c478bd9Sstevel@tonic-gate } 7557c478bd9Sstevel@tonic-gate 7567c478bd9Sstevel@tonic-gate void 7577c478bd9Sstevel@tonic-gate AcpiOsStall(UINT32 Microseconds) 7587c478bd9Sstevel@tonic-gate { 7597c478bd9Sstevel@tonic-gate drv_usecwait(Microseconds); 7607c478bd9Sstevel@tonic-gate } 7617c478bd9Sstevel@tonic-gate 7627c478bd9Sstevel@tonic-gate 7637c478bd9Sstevel@tonic-gate /* 7647c478bd9Sstevel@tonic-gate * Implementation of "Windows 2001" compatible I/O permission map 7657c478bd9Sstevel@tonic-gate * 7667c478bd9Sstevel@tonic-gate */ 7677c478bd9Sstevel@tonic-gate #define OSL_IO_NONE (0) 7687c478bd9Sstevel@tonic-gate #define OSL_IO_READ (1<<0) 7697c478bd9Sstevel@tonic-gate #define OSL_IO_WRITE (1<<1) 7707c478bd9Sstevel@tonic-gate #define OSL_IO_RW (OSL_IO_READ | OSL_IO_WRITE) 7717c478bd9Sstevel@tonic-gate #define OSL_IO_TERM (1<<2) 7727c478bd9Sstevel@tonic-gate #define OSL_IO_DEFAULT OSL_IO_RW 7737c478bd9Sstevel@tonic-gate 7747c478bd9Sstevel@tonic-gate static struct io_perm { 7757c478bd9Sstevel@tonic-gate ACPI_IO_ADDRESS low; 7767c478bd9Sstevel@tonic-gate ACPI_IO_ADDRESS high; 7777c478bd9Sstevel@tonic-gate uint8_t perm; 7787c478bd9Sstevel@tonic-gate } osl_io_perm[] = { 7797c478bd9Sstevel@tonic-gate { 0xcf8, 0xd00, OSL_IO_NONE | OSL_IO_TERM } 7807c478bd9Sstevel@tonic-gate }; 7817c478bd9Sstevel@tonic-gate 7827c478bd9Sstevel@tonic-gate 7837c478bd9Sstevel@tonic-gate /* 7847c478bd9Sstevel@tonic-gate * 7857c478bd9Sstevel@tonic-gate */ 7867c478bd9Sstevel@tonic-gate static struct io_perm * 7877c478bd9Sstevel@tonic-gate osl_io_find_perm(ACPI_IO_ADDRESS addr) 7887c478bd9Sstevel@tonic-gate { 7897c478bd9Sstevel@tonic-gate struct io_perm *p; 7907c478bd9Sstevel@tonic-gate 7917c478bd9Sstevel@tonic-gate p = osl_io_perm; 7927c478bd9Sstevel@tonic-gate while (p != NULL) { 7937c478bd9Sstevel@tonic-gate if ((p->low <= addr) && (addr <= p->high)) 7947c478bd9Sstevel@tonic-gate break; 7957c478bd9Sstevel@tonic-gate p = (p->perm & OSL_IO_TERM) ? NULL : p+1; 7967c478bd9Sstevel@tonic-gate } 7977c478bd9Sstevel@tonic-gate 7987c478bd9Sstevel@tonic-gate return (p); 7997c478bd9Sstevel@tonic-gate } 8007c478bd9Sstevel@tonic-gate 8017c478bd9Sstevel@tonic-gate /* 8027c478bd9Sstevel@tonic-gate * 8037c478bd9Sstevel@tonic-gate */ 8047c478bd9Sstevel@tonic-gate ACPI_STATUS 8057c478bd9Sstevel@tonic-gate AcpiOsReadPort(ACPI_IO_ADDRESS Address, UINT32 *Value, UINT32 Width) 8067c478bd9Sstevel@tonic-gate { 8077c478bd9Sstevel@tonic-gate struct io_perm *p; 8087c478bd9Sstevel@tonic-gate 8097c478bd9Sstevel@tonic-gate /* verify permission */ 8107c478bd9Sstevel@tonic-gate p = osl_io_find_perm(Address); 8117c478bd9Sstevel@tonic-gate if (p && (p->perm & OSL_IO_READ) == 0) { 8127c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "!AcpiOsReadPort: %lx %u not permitted", 8135dff2f34Smyers (long)Address, Width); 8147c478bd9Sstevel@tonic-gate *Value = 0xffffffff; 8157c478bd9Sstevel@tonic-gate return (AE_ERROR); 8167c478bd9Sstevel@tonic-gate } 8177c478bd9Sstevel@tonic-gate 8187c478bd9Sstevel@tonic-gate switch (Width) { 8197c478bd9Sstevel@tonic-gate case 8: 8207c478bd9Sstevel@tonic-gate *Value = inb(Address); 8217c478bd9Sstevel@tonic-gate break; 8227c478bd9Sstevel@tonic-gate case 16: 8237c478bd9Sstevel@tonic-gate *Value = inw(Address); 8247c478bd9Sstevel@tonic-gate break; 8257c478bd9Sstevel@tonic-gate case 32: 8267c478bd9Sstevel@tonic-gate *Value = inl(Address); 8277c478bd9Sstevel@tonic-gate break; 8287c478bd9Sstevel@tonic-gate default: 8297c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "!AcpiOsReadPort: %lx %u failed", 8305dff2f34Smyers (long)Address, Width); 8317c478bd9Sstevel@tonic-gate return (AE_BAD_PARAMETER); 8327c478bd9Sstevel@tonic-gate } 8337c478bd9Sstevel@tonic-gate return (AE_OK); 8347c478bd9Sstevel@tonic-gate } 8357c478bd9Sstevel@tonic-gate 8367c478bd9Sstevel@tonic-gate ACPI_STATUS 8377c478bd9Sstevel@tonic-gate AcpiOsWritePort(ACPI_IO_ADDRESS Address, UINT32 Value, UINT32 Width) 8387c478bd9Sstevel@tonic-gate { 8397c478bd9Sstevel@tonic-gate struct io_perm *p; 8407c478bd9Sstevel@tonic-gate 8417c478bd9Sstevel@tonic-gate /* verify permission */ 8427c478bd9Sstevel@tonic-gate p = osl_io_find_perm(Address); 8437c478bd9Sstevel@tonic-gate if (p && (p->perm & OSL_IO_WRITE) == 0) { 8447c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "!AcpiOsWritePort: %lx %u not permitted", 8457c478bd9Sstevel@tonic-gate (long)Address, Width); 8467c478bd9Sstevel@tonic-gate return (AE_ERROR); 8477c478bd9Sstevel@tonic-gate } 8487c478bd9Sstevel@tonic-gate 8497c478bd9Sstevel@tonic-gate switch (Width) { 8507c478bd9Sstevel@tonic-gate case 8: 8517c478bd9Sstevel@tonic-gate outb(Address, Value); 8527c478bd9Sstevel@tonic-gate break; 8537c478bd9Sstevel@tonic-gate case 16: 8547c478bd9Sstevel@tonic-gate outw(Address, Value); 8557c478bd9Sstevel@tonic-gate break; 8567c478bd9Sstevel@tonic-gate case 32: 8577c478bd9Sstevel@tonic-gate outl(Address, Value); 8587c478bd9Sstevel@tonic-gate break; 8597c478bd9Sstevel@tonic-gate default: 8607c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "!AcpiOsWritePort: %lx %u failed", 8617c478bd9Sstevel@tonic-gate (long)Address, Width); 8627c478bd9Sstevel@tonic-gate return (AE_BAD_PARAMETER); 8637c478bd9Sstevel@tonic-gate } 8647c478bd9Sstevel@tonic-gate return (AE_OK); 8657c478bd9Sstevel@tonic-gate } 8667c478bd9Sstevel@tonic-gate 8677c478bd9Sstevel@tonic-gate 8687c478bd9Sstevel@tonic-gate /* 8697c478bd9Sstevel@tonic-gate * 8707c478bd9Sstevel@tonic-gate */ 8717c478bd9Sstevel@tonic-gate 8727c478bd9Sstevel@tonic-gate #define OSL_RW(ptr, val, type, rw) \ 8737c478bd9Sstevel@tonic-gate { if (rw) *((type *)(ptr)) = *((type *) val); \ 8747c478bd9Sstevel@tonic-gate else *((type *) val) = *((type *)(ptr)); } 8757c478bd9Sstevel@tonic-gate 8767c478bd9Sstevel@tonic-gate 8777c478bd9Sstevel@tonic-gate static void 8787c478bd9Sstevel@tonic-gate osl_rw_memory(ACPI_PHYSICAL_ADDRESS Address, UINT32 *Value, 8797c478bd9Sstevel@tonic-gate UINT32 Width, int write) 8807c478bd9Sstevel@tonic-gate { 8817c478bd9Sstevel@tonic-gate size_t maplen = Width / 8; 8827c478bd9Sstevel@tonic-gate caddr_t ptr; 8837c478bd9Sstevel@tonic-gate 8847c478bd9Sstevel@tonic-gate ptr = psm_map_new((paddr_t)Address, maplen, 8857c478bd9Sstevel@tonic-gate PSM_PROT_WRITE | PSM_PROT_READ); 8867c478bd9Sstevel@tonic-gate 8877c478bd9Sstevel@tonic-gate switch (maplen) { 8887c478bd9Sstevel@tonic-gate case 1: 8897c478bd9Sstevel@tonic-gate OSL_RW(ptr, Value, uint8_t, write); 8907c478bd9Sstevel@tonic-gate break; 8917c478bd9Sstevel@tonic-gate case 2: 8927c478bd9Sstevel@tonic-gate OSL_RW(ptr, Value, uint16_t, write); 8937c478bd9Sstevel@tonic-gate break; 8947c478bd9Sstevel@tonic-gate case 4: 8957c478bd9Sstevel@tonic-gate OSL_RW(ptr, Value, uint32_t, write); 8967c478bd9Sstevel@tonic-gate break; 8977c478bd9Sstevel@tonic-gate default: 8987c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "!osl_rw_memory: invalid size %d", 8997c478bd9Sstevel@tonic-gate Width); 9007c478bd9Sstevel@tonic-gate break; 9017c478bd9Sstevel@tonic-gate } 9027c478bd9Sstevel@tonic-gate 9037c478bd9Sstevel@tonic-gate psm_unmap(ptr, maplen); 9047c478bd9Sstevel@tonic-gate } 9057c478bd9Sstevel@tonic-gate 9067c478bd9Sstevel@tonic-gate ACPI_STATUS 9077c478bd9Sstevel@tonic-gate AcpiOsReadMemory(ACPI_PHYSICAL_ADDRESS Address, 9087c478bd9Sstevel@tonic-gate UINT32 *Value, UINT32 Width) 9097c478bd9Sstevel@tonic-gate { 9107c478bd9Sstevel@tonic-gate osl_rw_memory(Address, Value, Width, 0); 9117c478bd9Sstevel@tonic-gate return (AE_OK); 9127c478bd9Sstevel@tonic-gate } 9137c478bd9Sstevel@tonic-gate 9147c478bd9Sstevel@tonic-gate ACPI_STATUS 9157c478bd9Sstevel@tonic-gate AcpiOsWriteMemory(ACPI_PHYSICAL_ADDRESS Address, 9167c478bd9Sstevel@tonic-gate UINT32 Value, UINT32 Width) 9177c478bd9Sstevel@tonic-gate { 9187c478bd9Sstevel@tonic-gate osl_rw_memory(Address, &Value, Width, 1); 9197c478bd9Sstevel@tonic-gate return (AE_OK); 9207c478bd9Sstevel@tonic-gate } 9217c478bd9Sstevel@tonic-gate 9227c478bd9Sstevel@tonic-gate 9237c478bd9Sstevel@tonic-gate ACPI_STATUS 9247c478bd9Sstevel@tonic-gate AcpiOsReadPciConfiguration(ACPI_PCI_ID *PciId, UINT32 Register, 9257c478bd9Sstevel@tonic-gate void *Value, UINT32 Width) 9267c478bd9Sstevel@tonic-gate { 9277c478bd9Sstevel@tonic-gate 9287c478bd9Sstevel@tonic-gate switch (Width) { 9297c478bd9Sstevel@tonic-gate case 8: 9307c478bd9Sstevel@tonic-gate *((UINT64 *)Value) = (UINT64)(*pci_getb_func) 9315dff2f34Smyers (PciId->Bus, PciId->Device, PciId->Function, Register); 9327c478bd9Sstevel@tonic-gate break; 9337c478bd9Sstevel@tonic-gate case 16: 9347c478bd9Sstevel@tonic-gate *((UINT64 *)Value) = (UINT64)(*pci_getw_func) 9355dff2f34Smyers (PciId->Bus, PciId->Device, PciId->Function, Register); 9367c478bd9Sstevel@tonic-gate break; 9377c478bd9Sstevel@tonic-gate case 32: 9387c478bd9Sstevel@tonic-gate *((UINT64 *)Value) = (UINT64)(*pci_getl_func) 9395dff2f34Smyers (PciId->Bus, PciId->Device, PciId->Function, Register); 9407c478bd9Sstevel@tonic-gate break; 9417c478bd9Sstevel@tonic-gate case 64: 9427c478bd9Sstevel@tonic-gate default: 9437c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "!AcpiOsReadPciConfiguration: %x %u failed", 9447c478bd9Sstevel@tonic-gate Register, Width); 9457c478bd9Sstevel@tonic-gate return (AE_BAD_PARAMETER); 9467c478bd9Sstevel@tonic-gate } 9477c478bd9Sstevel@tonic-gate return (AE_OK); 9487c478bd9Sstevel@tonic-gate } 9497c478bd9Sstevel@tonic-gate 9507c478bd9Sstevel@tonic-gate /* 9517c478bd9Sstevel@tonic-gate * 9527c478bd9Sstevel@tonic-gate */ 9537c478bd9Sstevel@tonic-gate int acpica_write_pci_config_ok = 1; 9547c478bd9Sstevel@tonic-gate 9557c478bd9Sstevel@tonic-gate ACPI_STATUS 9567c478bd9Sstevel@tonic-gate AcpiOsWritePciConfiguration(ACPI_PCI_ID *PciId, UINT32 Register, 9577c478bd9Sstevel@tonic-gate ACPI_INTEGER Value, UINT32 Width) 9587c478bd9Sstevel@tonic-gate { 9597c478bd9Sstevel@tonic-gate 9607c478bd9Sstevel@tonic-gate if (!acpica_write_pci_config_ok) { 9617c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "!write to PCI cfg %x/%x/%x %x" 9627c478bd9Sstevel@tonic-gate " %lx %d not permitted", PciId->Bus, PciId->Device, 9637c478bd9Sstevel@tonic-gate PciId->Function, Register, (long)Value, Width); 9647c478bd9Sstevel@tonic-gate return (AE_OK); 9657c478bd9Sstevel@tonic-gate } 9667c478bd9Sstevel@tonic-gate 9677c478bd9Sstevel@tonic-gate switch (Width) { 9687c478bd9Sstevel@tonic-gate case 8: 9697c478bd9Sstevel@tonic-gate (*pci_putb_func)(PciId->Bus, PciId->Device, PciId->Function, 9705dff2f34Smyers Register, (uint8_t)Value); 9717c478bd9Sstevel@tonic-gate break; 9727c478bd9Sstevel@tonic-gate case 16: 9737c478bd9Sstevel@tonic-gate (*pci_putw_func)(PciId->Bus, PciId->Device, PciId->Function, 9745dff2f34Smyers Register, (uint16_t)Value); 9757c478bd9Sstevel@tonic-gate break; 9767c478bd9Sstevel@tonic-gate case 32: 9777c478bd9Sstevel@tonic-gate (*pci_putl_func)(PciId->Bus, PciId->Device, PciId->Function, 9785dff2f34Smyers Register, (uint32_t)Value); 9797c478bd9Sstevel@tonic-gate break; 9807c478bd9Sstevel@tonic-gate case 64: 9817c478bd9Sstevel@tonic-gate default: 9827c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "!AcpiOsWritePciConfiguration: %x %u failed", 9837c478bd9Sstevel@tonic-gate Register, Width); 9847c478bd9Sstevel@tonic-gate return (AE_BAD_PARAMETER); 9857c478bd9Sstevel@tonic-gate } 9867c478bd9Sstevel@tonic-gate return (AE_OK); 9877c478bd9Sstevel@tonic-gate } 9887c478bd9Sstevel@tonic-gate 9897c478bd9Sstevel@tonic-gate /* 9907c478bd9Sstevel@tonic-gate * Called with ACPI_HANDLEs for both a PCI Config Space 9917c478bd9Sstevel@tonic-gate * OpRegion and (what ACPI CA thinks is) the PCI device 99227f7c583Smyers * to which this ConfigSpace OpRegion belongs. Since 99327f7c583Smyers * ACPI CA depends on a valid _BBN object being present 99427f7c583Smyers * and this is not always true (one old x86 had broken _BBN), 99527f7c583Smyers * we go ahead and get the correct PCI bus number using the 99627f7c583Smyers * devinfo mapping (which compensates for broken _BBN). 9977c478bd9Sstevel@tonic-gate * 9987c478bd9Sstevel@tonic-gate * Default values for bus, segment, device and function are 9997c478bd9Sstevel@tonic-gate * all 0 when ACPI CA can't figure them out. 10007c478bd9Sstevel@tonic-gate * 100127f7c583Smyers * Some BIOSes implement _BBN() by reading PCI config space 10025dff2f34Smyers * on bus #0 - which means that we'll recurse when we attempt 100327f7c583Smyers * to create the devinfo-to-ACPI map. If Derive is called during 10045cff7825Smh * scan_d2a_map, we don't translate the bus # and return. 10055cff7825Smh * 10065cff7825Smh * We get the parent of the OpRegion, which must be a PCI 10075cff7825Smh * node, fetch the associated devinfo node and snag the 10085cff7825Smh * b/d/f from it. 10097c478bd9Sstevel@tonic-gate */ 10107c478bd9Sstevel@tonic-gate void 10117c478bd9Sstevel@tonic-gate AcpiOsDerivePciId(ACPI_HANDLE rhandle, ACPI_HANDLE chandle, 10127c478bd9Sstevel@tonic-gate ACPI_PCI_ID **PciId) 10137c478bd9Sstevel@tonic-gate { 10147c478bd9Sstevel@tonic-gate ACPI_HANDLE handle; 10155cff7825Smh dev_info_t *dip; 10165cff7825Smh int bus, device, func, devfn; 10177c478bd9Sstevel@tonic-gate 10187c478bd9Sstevel@tonic-gate 101927f7c583Smyers /* 10205cff7825Smh * See above - avoid recursing during scanning_d2a_map. 102127f7c583Smyers */ 10225cff7825Smh if (scanning_d2a_map) 10237c478bd9Sstevel@tonic-gate return; 10247c478bd9Sstevel@tonic-gate 10257c478bd9Sstevel@tonic-gate /* 10265cff7825Smh * Get the OpRegion's parent 10277c478bd9Sstevel@tonic-gate */ 10287c478bd9Sstevel@tonic-gate if (AcpiGetParent(chandle, &handle) != AE_OK) 10297c478bd9Sstevel@tonic-gate return; 10307c478bd9Sstevel@tonic-gate 10315cff7825Smh /* 10325cff7825Smh * If we've mapped the ACPI node to the devinfo 10335cff7825Smh * tree, use the devinfo reg property 10345cff7825Smh */ 10355cff7825Smh if (acpica_get_devinfo(handle, &dip) == AE_OK) { 10365cff7825Smh (void) acpica_get_bdf(dip, &bus, &device, &func); 10375cff7825Smh (*PciId)->Bus = bus; 10385cff7825Smh (*PciId)->Device = device; 10395cff7825Smh (*PciId)->Function = func; 10405cff7825Smh } else if (acpica_eval_int(handle, "_ADR", &devfn) == AE_OK) { 10415cff7825Smh /* no devinfo node - just confirm the d/f */ 10425cff7825Smh (*PciId)->Device = (devfn >> 16) & 0xFFFF; 10435cff7825Smh (*PciId)->Function = devfn & 0xFFFF; 10447c478bd9Sstevel@tonic-gate } 10457c478bd9Sstevel@tonic-gate } 10467c478bd9Sstevel@tonic-gate 10477c478bd9Sstevel@tonic-gate 104827f7c583Smyers /*ARGSUSED*/ 10497c478bd9Sstevel@tonic-gate BOOLEAN 10507c478bd9Sstevel@tonic-gate AcpiOsReadable(void *Pointer, ACPI_SIZE Length) 10517c478bd9Sstevel@tonic-gate { 10527c478bd9Sstevel@tonic-gate 10537c478bd9Sstevel@tonic-gate /* Always says yes; all mapped memory assumed readable */ 10547c478bd9Sstevel@tonic-gate return (1); 10557c478bd9Sstevel@tonic-gate } 10567c478bd9Sstevel@tonic-gate 105727f7c583Smyers /*ARGSUSED*/ 10587c478bd9Sstevel@tonic-gate BOOLEAN 10597c478bd9Sstevel@tonic-gate AcpiOsWritable(void *Pointer, ACPI_SIZE Length) 10607c478bd9Sstevel@tonic-gate { 10617c478bd9Sstevel@tonic-gate 10627c478bd9Sstevel@tonic-gate /* Always says yes; all mapped memory assumed writable */ 10637c478bd9Sstevel@tonic-gate return (1); 10647c478bd9Sstevel@tonic-gate } 10657c478bd9Sstevel@tonic-gate 10667c478bd9Sstevel@tonic-gate UINT64 10677c478bd9Sstevel@tonic-gate AcpiOsGetTimer(void) 10687c478bd9Sstevel@tonic-gate { 106927f7c583Smyers /* gethrtime() returns 1nS resolution; convert to 100nS granules */ 107027f7c583Smyers return ((gethrtime() + 50) / 100); 107127f7c583Smyers } 10727c478bd9Sstevel@tonic-gate 1073fa96bd91SMichael Corcoran static struct AcpiOSIFeature_s { 1074fa96bd91SMichael Corcoran uint64_t control_flag; 1075fa96bd91SMichael Corcoran const char *feature_name; 1076fa96bd91SMichael Corcoran } AcpiOSIFeatures[] = { 1077fa96bd91SMichael Corcoran { ACPI_FEATURE_OSI_MODULE, "Module Device" }, 1078fa96bd91SMichael Corcoran { 0, "Processor Device" } 1079fa96bd91SMichael Corcoran }; 1080fa96bd91SMichael Corcoran 108127f7c583Smyers /*ARGSUSED*/ 108227f7c583Smyers ACPI_STATUS 1083fa96bd91SMichael Corcoran AcpiOsValidateInterface(char *feature) 108427f7c583Smyers { 1085fa96bd91SMichael Corcoran int i; 1086fa96bd91SMichael Corcoran 1087fa96bd91SMichael Corcoran ASSERT(feature != NULL); 1088fa96bd91SMichael Corcoran for (i = 0; i < sizeof (AcpiOSIFeatures) / sizeof (AcpiOSIFeatures[0]); 1089fa96bd91SMichael Corcoran i++) { 1090fa96bd91SMichael Corcoran if (strcmp(feature, AcpiOSIFeatures[i].feature_name) != 0) { 1091fa96bd91SMichael Corcoran continue; 1092fa96bd91SMichael Corcoran } 1093fa96bd91SMichael Corcoran /* Check whether required core features are available. */ 1094fa96bd91SMichael Corcoran if (AcpiOSIFeatures[i].control_flag != 0 && 1095fa96bd91SMichael Corcoran acpica_get_core_feature(AcpiOSIFeatures[i].control_flag) != 1096fa96bd91SMichael Corcoran AcpiOSIFeatures[i].control_flag) { 1097fa96bd91SMichael Corcoran break; 1098fa96bd91SMichael Corcoran } 1099fa96bd91SMichael Corcoran /* Feature supported. */ 1100fa96bd91SMichael Corcoran return (AE_OK); 1101fa96bd91SMichael Corcoran } 1102fa96bd91SMichael Corcoran 110327f7c583Smyers return (AE_SUPPORT); 110427f7c583Smyers } 11057c478bd9Sstevel@tonic-gate 110627f7c583Smyers /*ARGSUSED*/ 110727f7c583Smyers ACPI_STATUS 110827f7c583Smyers AcpiOsValidateAddress(UINT8 spaceid, ACPI_PHYSICAL_ADDRESS addr, 110927f7c583Smyers ACPI_SIZE length) 111027f7c583Smyers { 111127f7c583Smyers return (AE_OK); 11127c478bd9Sstevel@tonic-gate } 11137c478bd9Sstevel@tonic-gate 11147c478bd9Sstevel@tonic-gate ACPI_STATUS 11157c478bd9Sstevel@tonic-gate AcpiOsSignal(UINT32 Function, void *Info) 11167c478bd9Sstevel@tonic-gate { 11177c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(Function, Info)) 11187c478bd9Sstevel@tonic-gate 11197c478bd9Sstevel@tonic-gate /* FUTUREWORK: debugger support */ 11207c478bd9Sstevel@tonic-gate 11217c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "!OsSignal unimplemented"); 11227c478bd9Sstevel@tonic-gate return (AE_OK); 11237c478bd9Sstevel@tonic-gate } 11247c478bd9Sstevel@tonic-gate 11257c478bd9Sstevel@tonic-gate void ACPI_INTERNAL_VAR_XFACE 11267c478bd9Sstevel@tonic-gate AcpiOsPrintf(const char *Format, ...) 11277c478bd9Sstevel@tonic-gate { 11287c478bd9Sstevel@tonic-gate va_list ap; 1129186507a7Smyers 1130186507a7Smyers va_start(ap, Format); 1131186507a7Smyers AcpiOsVprintf(Format, ap); 1132186507a7Smyers va_end(ap); 1133186507a7Smyers } 1134186507a7Smyers 1135186507a7Smyers /* 1136186507a7Smyers * When != 0, sends output to console 1137186507a7Smyers * Patchable with kmdb or /etc/system. 1138186507a7Smyers */ 1139186507a7Smyers int acpica_console_out = 0; 1140186507a7Smyers 1141186507a7Smyers #define ACPICA_OUTBUF_LEN 160 1142186507a7Smyers char acpica_outbuf[ACPICA_OUTBUF_LEN]; 1143186507a7Smyers int acpica_outbuf_offset; 1144186507a7Smyers 1145186507a7Smyers /* 1146186507a7Smyers * 1147186507a7Smyers */ 1148186507a7Smyers static void 114987bb58d6Smyers acpica_pr_buf(char *buf) 1150186507a7Smyers { 1151186507a7Smyers char c, *bufp, *outp; 1152186507a7Smyers int out_remaining; 1153186507a7Smyers 1154186507a7Smyers /* 1155186507a7Smyers * copy the supplied buffer into the output buffer 1156186507a7Smyers * when we hit a '\n' or overflow the output buffer, 1157186507a7Smyers * output and reset the output buffer 1158186507a7Smyers */ 1159186507a7Smyers bufp = buf; 1160186507a7Smyers outp = acpica_outbuf + acpica_outbuf_offset; 1161186507a7Smyers out_remaining = ACPICA_OUTBUF_LEN - acpica_outbuf_offset - 1; 1162186507a7Smyers while (c = *bufp++) { 1163186507a7Smyers *outp++ = c; 1164186507a7Smyers if (c == '\n' || --out_remaining == 0) { 1165186507a7Smyers *outp = '\0'; 1166186507a7Smyers if (acpica_console_out) 1167186507a7Smyers printf(acpica_outbuf); 1168186507a7Smyers else 1169186507a7Smyers (void) strlog(0, 0, 0, 1170186507a7Smyers SL_CONSOLE | SL_NOTE | SL_LOGONLY, 1171186507a7Smyers acpica_outbuf); 1172186507a7Smyers acpica_outbuf_offset = 0; 1173186507a7Smyers outp = acpica_outbuf; 1174186507a7Smyers out_remaining = ACPICA_OUTBUF_LEN - 1; 1175186507a7Smyers } 1176186507a7Smyers } 1177186507a7Smyers 1178186507a7Smyers acpica_outbuf_offset = outp - acpica_outbuf; 1179186507a7Smyers } 1180186507a7Smyers 1181186507a7Smyers void 1182186507a7Smyers AcpiOsVprintf(const char *Format, va_list Args) 1183186507a7Smyers { 11847c478bd9Sstevel@tonic-gate 11857c478bd9Sstevel@tonic-gate /* 118687bb58d6Smyers * If AcpiOsInitialize() failed to allocate a string buffer, 118787bb58d6Smyers * resort to vprintf(). 11887c478bd9Sstevel@tonic-gate */ 118987bb58d6Smyers if (acpi_osl_pr_buffer == NULL) { 1190186507a7Smyers vprintf(Format, Args); 11917c478bd9Sstevel@tonic-gate return; 11927c478bd9Sstevel@tonic-gate } 119387bb58d6Smyers 119487bb58d6Smyers /* 119587bb58d6Smyers * It is possible that a very long debug output statement will 119687bb58d6Smyers * be truncated; this is silently ignored. 119787bb58d6Smyers */ 119887bb58d6Smyers (void) vsnprintf(acpi_osl_pr_buffer, acpi_osl_pr_buflen, Format, Args); 119987bb58d6Smyers acpica_pr_buf(acpi_osl_pr_buffer); 12007c478bd9Sstevel@tonic-gate } 12017c478bd9Sstevel@tonic-gate 12027c478bd9Sstevel@tonic-gate void 12037c478bd9Sstevel@tonic-gate AcpiOsRedirectOutput(void *Destination) 12047c478bd9Sstevel@tonic-gate { 12057c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(Destination)) 12067c478bd9Sstevel@tonic-gate 12077c478bd9Sstevel@tonic-gate /* FUTUREWORK: debugger support */ 12087c478bd9Sstevel@tonic-gate 12097c478bd9Sstevel@tonic-gate #ifdef DEBUG 12107c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "!acpica: AcpiOsRedirectOutput called"); 12117c478bd9Sstevel@tonic-gate #endif 12127c478bd9Sstevel@tonic-gate } 12137c478bd9Sstevel@tonic-gate 12147c478bd9Sstevel@tonic-gate 12157c478bd9Sstevel@tonic-gate UINT32 12167c478bd9Sstevel@tonic-gate AcpiOsGetLine(char *Buffer) 12177c478bd9Sstevel@tonic-gate { 12187c478bd9Sstevel@tonic-gate _NOTE(ARGUNUSED(Buffer)) 12197c478bd9Sstevel@tonic-gate 12207c478bd9Sstevel@tonic-gate /* FUTUREWORK: debugger support */ 12217c478bd9Sstevel@tonic-gate 12227c478bd9Sstevel@tonic-gate return (0); 12237c478bd9Sstevel@tonic-gate } 12247c478bd9Sstevel@tonic-gate 12257c478bd9Sstevel@tonic-gate /* 12267c478bd9Sstevel@tonic-gate * Device tree binding 12277c478bd9Sstevel@tonic-gate */ 1228fa96bd91SMichael Corcoran static ACPI_STATUS 1229fa96bd91SMichael Corcoran acpica_find_pcibus_walker(ACPI_HANDLE hdl, UINT32 lvl, void *ctxp, void **rvpp) 1230fa96bd91SMichael Corcoran { 1231fa96bd91SMichael Corcoran _NOTE(ARGUNUSED(lvl)); 1232fa96bd91SMichael Corcoran 1233fa96bd91SMichael Corcoran int sta, hid, bbn; 1234fa96bd91SMichael Corcoran int busno = (intptr_t)ctxp; 1235fa96bd91SMichael Corcoran ACPI_HANDLE *hdlp = (ACPI_HANDLE *)rvpp; 1236fa96bd91SMichael Corcoran 1237fa96bd91SMichael Corcoran /* Check whether device exists. */ 1238fa96bd91SMichael Corcoran if (ACPI_SUCCESS(acpica_eval_int(hdl, "_STA", &sta)) && 1239fa96bd91SMichael Corcoran !(sta & (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_FUNCTIONING))) { 1240fa96bd91SMichael Corcoran /* 1241fa96bd91SMichael Corcoran * Skip object if device doesn't exist. 1242fa96bd91SMichael Corcoran * According to ACPI Spec, 1243fa96bd91SMichael Corcoran * 1) setting either bit 0 or bit 3 means that device exists. 1244fa96bd91SMichael Corcoran * 2) Absence of _STA method means all status bits set. 1245fa96bd91SMichael Corcoran */ 1246fa96bd91SMichael Corcoran return (AE_CTRL_DEPTH); 1247fa96bd91SMichael Corcoran } 1248fa96bd91SMichael Corcoran 1249fa96bd91SMichael Corcoran if (ACPI_FAILURE(acpica_eval_hid(hdl, "_HID", &hid)) || 1250fa96bd91SMichael Corcoran (hid != HID_PCI_BUS && hid != HID_PCI_EXPRESS_BUS)) { 1251fa96bd91SMichael Corcoran /* Non PCI/PCIe host bridge. */ 1252fa96bd91SMichael Corcoran return (AE_OK); 1253fa96bd91SMichael Corcoran } 1254fa96bd91SMichael Corcoran 1255fa96bd91SMichael Corcoran if (acpi_has_broken_bbn) { 1256fa96bd91SMichael Corcoran ACPI_BUFFER rb; 1257fa96bd91SMichael Corcoran rb.Pointer = NULL; 1258fa96bd91SMichael Corcoran rb.Length = ACPI_ALLOCATE_BUFFER; 1259fa96bd91SMichael Corcoran 1260fa96bd91SMichael Corcoran /* Decree _BBN == n from PCI<n> */ 1261fa96bd91SMichael Corcoran if (AcpiGetName(hdl, ACPI_SINGLE_NAME, &rb) != AE_OK) { 1262fa96bd91SMichael Corcoran return (AE_CTRL_TERMINATE); 1263fa96bd91SMichael Corcoran } 1264fa96bd91SMichael Corcoran bbn = ((char *)rb.Pointer)[3] - '0'; 1265fa96bd91SMichael Corcoran AcpiOsFree(rb.Pointer); 1266fa96bd91SMichael Corcoran if (bbn == busno || busno == 0) { 1267fa96bd91SMichael Corcoran *hdlp = hdl; 1268fa96bd91SMichael Corcoran return (AE_CTRL_TERMINATE); 1269fa96bd91SMichael Corcoran } 1270fa96bd91SMichael Corcoran } else if (ACPI_SUCCESS(acpica_eval_int(hdl, "_BBN", &bbn))) { 1271fa96bd91SMichael Corcoran if (bbn == busno) { 1272fa96bd91SMichael Corcoran *hdlp = hdl; 1273fa96bd91SMichael Corcoran return (AE_CTRL_TERMINATE); 1274fa96bd91SMichael Corcoran } 1275fa96bd91SMichael Corcoran } else if (busno == 0) { 1276fa96bd91SMichael Corcoran *hdlp = hdl; 1277fa96bd91SMichael Corcoran return (AE_CTRL_TERMINATE); 1278fa96bd91SMichael Corcoran } 1279fa96bd91SMichael Corcoran 1280fa96bd91SMichael Corcoran return (AE_CTRL_DEPTH); 1281fa96bd91SMichael Corcoran } 12827c478bd9Sstevel@tonic-gate 12837c478bd9Sstevel@tonic-gate static int 12847c478bd9Sstevel@tonic-gate acpica_find_pcibus(int busno, ACPI_HANDLE *rh) 12857c478bd9Sstevel@tonic-gate { 12867c478bd9Sstevel@tonic-gate ACPI_HANDLE sbobj, busobj; 12877c478bd9Sstevel@tonic-gate 12887c478bd9Sstevel@tonic-gate /* initialize static flag by querying ACPI namespace for bug */ 12897c478bd9Sstevel@tonic-gate if (acpi_has_broken_bbn == -1) 12907c478bd9Sstevel@tonic-gate acpi_has_broken_bbn = acpica_query_bbn_problem(); 12917c478bd9Sstevel@tonic-gate 1292fa96bd91SMichael Corcoran if (ACPI_SUCCESS(AcpiGetHandle(NULL, "\\_SB", &sbobj))) { 1293fa96bd91SMichael Corcoran busobj = NULL; 1294fa96bd91SMichael Corcoran (void) AcpiWalkNamespace(ACPI_TYPE_DEVICE, sbobj, UINT32_MAX, 1295fa96bd91SMichael Corcoran acpica_find_pcibus_walker, (void *)(intptr_t)busno, 1296fa96bd91SMichael Corcoran (void **)&busobj); 1297fa96bd91SMichael Corcoran if (busobj != NULL) { 1298fa96bd91SMichael Corcoran *rh = busobj; 1299fa96bd91SMichael Corcoran return (AE_OK); 13007c478bd9Sstevel@tonic-gate } 13017c478bd9Sstevel@tonic-gate } 1302fa96bd91SMichael Corcoran 13037c478bd9Sstevel@tonic-gate return (AE_ERROR); 13047c478bd9Sstevel@tonic-gate } 13057c478bd9Sstevel@tonic-gate 1306fa96bd91SMichael Corcoran static ACPI_STATUS 1307fa96bd91SMichael Corcoran acpica_query_bbn_walker(ACPI_HANDLE hdl, UINT32 lvl, void *ctxp, void **rvpp) 1308fa96bd91SMichael Corcoran { 1309fa96bd91SMichael Corcoran _NOTE(ARGUNUSED(lvl)); 1310fa96bd91SMichael Corcoran _NOTE(ARGUNUSED(rvpp)); 1311fa96bd91SMichael Corcoran 1312fa96bd91SMichael Corcoran int sta, hid, bbn; 1313fa96bd91SMichael Corcoran int *cntp = (int *)ctxp; 1314fa96bd91SMichael Corcoran 1315fa96bd91SMichael Corcoran /* Check whether device exists. */ 1316fa96bd91SMichael Corcoran if (ACPI_SUCCESS(acpica_eval_int(hdl, "_STA", &sta)) && 1317fa96bd91SMichael Corcoran !(sta & (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_FUNCTIONING))) { 1318fa96bd91SMichael Corcoran /* 1319fa96bd91SMichael Corcoran * Skip object if device doesn't exist. 1320fa96bd91SMichael Corcoran * According to ACPI Spec, 1321fa96bd91SMichael Corcoran * 1) setting either bit 0 or bit 3 means that device exists. 1322fa96bd91SMichael Corcoran * 2) Absence of _STA method means all status bits set. 1323fa96bd91SMichael Corcoran */ 1324fa96bd91SMichael Corcoran return (AE_CTRL_DEPTH); 1325fa96bd91SMichael Corcoran } 1326fa96bd91SMichael Corcoran 1327fa96bd91SMichael Corcoran if (ACPI_FAILURE(acpica_eval_hid(hdl, "_HID", &hid)) || 1328fa96bd91SMichael Corcoran (hid != HID_PCI_BUS && hid != HID_PCI_EXPRESS_BUS)) { 1329fa96bd91SMichael Corcoran /* Non PCI/PCIe host bridge. */ 1330fa96bd91SMichael Corcoran return (AE_OK); 1331fa96bd91SMichael Corcoran } else if (ACPI_SUCCESS(acpica_eval_int(hdl, "_BBN", &bbn)) && 1332fa96bd91SMichael Corcoran bbn == 0 && ++(*cntp) > 1) { 1333fa96bd91SMichael Corcoran /* 1334fa96bd91SMichael Corcoran * If we find more than one bus with a 0 _BBN 1335fa96bd91SMichael Corcoran * we have the problem that BigBear's BIOS shows 1336fa96bd91SMichael Corcoran */ 1337fa96bd91SMichael Corcoran return (AE_CTRL_TERMINATE); 1338fa96bd91SMichael Corcoran } else { 1339fa96bd91SMichael Corcoran /* 1340fa96bd91SMichael Corcoran * Skip children of PCI/PCIe host bridge. 1341fa96bd91SMichael Corcoran */ 1342fa96bd91SMichael Corcoran return (AE_CTRL_DEPTH); 1343fa96bd91SMichael Corcoran } 1344fa96bd91SMichael Corcoran } 13457c478bd9Sstevel@tonic-gate 13467c478bd9Sstevel@tonic-gate /* 13477c478bd9Sstevel@tonic-gate * Look for ACPI problem where _BBN is zero for multiple PCI buses 13487c478bd9Sstevel@tonic-gate * This is a clear ACPI bug, but we have a workaround in acpica_find_pcibus() 13497c478bd9Sstevel@tonic-gate * below if it exists. 13507c478bd9Sstevel@tonic-gate */ 13517c478bd9Sstevel@tonic-gate static int 13527c478bd9Sstevel@tonic-gate acpica_query_bbn_problem(void) 13537c478bd9Sstevel@tonic-gate { 1354fa96bd91SMichael Corcoran ACPI_HANDLE sbobj; 13557c478bd9Sstevel@tonic-gate int zerobbncnt; 1356fa96bd91SMichael Corcoran void *rv; 13577c478bd9Sstevel@tonic-gate 13587c478bd9Sstevel@tonic-gate zerobbncnt = 0; 1359fa96bd91SMichael Corcoran if (ACPI_SUCCESS(AcpiGetHandle(NULL, "\\_SB", &sbobj))) { 1360fa96bd91SMichael Corcoran (void) AcpiWalkNamespace(ACPI_TYPE_DEVICE, sbobj, UINT32_MAX, 1361fa96bd91SMichael Corcoran acpica_query_bbn_walker, &zerobbncnt, &rv); 13627c478bd9Sstevel@tonic-gate } 1363fa96bd91SMichael Corcoran 1364fa96bd91SMichael Corcoran return (zerobbncnt > 1 ? 1 : 0); 13657c478bd9Sstevel@tonic-gate } 13667c478bd9Sstevel@tonic-gate 13677c478bd9Sstevel@tonic-gate static const char hextab[] = "0123456789ABCDEF"; 13687c478bd9Sstevel@tonic-gate 13697c478bd9Sstevel@tonic-gate static int 13707c478bd9Sstevel@tonic-gate hexdig(int c) 13717c478bd9Sstevel@tonic-gate { 13727c478bd9Sstevel@tonic-gate /* 13737c478bd9Sstevel@tonic-gate * Get hex digit: 13747c478bd9Sstevel@tonic-gate * 13757c478bd9Sstevel@tonic-gate * Returns the 4-bit hex digit named by the input character. Returns 13767c478bd9Sstevel@tonic-gate * zero if the input character is not valid hex! 13777c478bd9Sstevel@tonic-gate */ 13787c478bd9Sstevel@tonic-gate 13797c478bd9Sstevel@tonic-gate int x = ((c < 'a') || (c > 'z')) ? c : (c - ' '); 13807c478bd9Sstevel@tonic-gate int j = sizeof (hextab); 13817c478bd9Sstevel@tonic-gate 13825dff2f34Smyers while (--j && (x != hextab[j])) { 13835dff2f34Smyers } 13847c478bd9Sstevel@tonic-gate return (j); 13857c478bd9Sstevel@tonic-gate } 13867c478bd9Sstevel@tonic-gate 13877c478bd9Sstevel@tonic-gate static int 13887c478bd9Sstevel@tonic-gate CompressEisaID(char *np) 13897c478bd9Sstevel@tonic-gate { 13907c478bd9Sstevel@tonic-gate /* 13917c478bd9Sstevel@tonic-gate * Compress an EISA device name: 13927c478bd9Sstevel@tonic-gate * 13937c478bd9Sstevel@tonic-gate * This routine converts a 7-byte ASCII device name into the 4-byte 13947c478bd9Sstevel@tonic-gate * compressed form used by EISA (50 bytes of ROM to save 1 byte of 13957c478bd9Sstevel@tonic-gate * NV-RAM!) 13967c478bd9Sstevel@tonic-gate */ 13977c478bd9Sstevel@tonic-gate 13987c478bd9Sstevel@tonic-gate union { char octets[4]; int retval; } myu; 13997c478bd9Sstevel@tonic-gate 14007c478bd9Sstevel@tonic-gate myu.octets[0] = ((np[0] & 0x1F) << 2) + ((np[1] >> 3) & 0x03); 14017c478bd9Sstevel@tonic-gate myu.octets[1] = ((np[1] & 0x07) << 5) + (np[2] & 0x1F); 14027c478bd9Sstevel@tonic-gate myu.octets[2] = (hexdig(np[3]) << 4) + hexdig(np[4]); 14037c478bd9Sstevel@tonic-gate myu.octets[3] = (hexdig(np[5]) << 4) + hexdig(np[6]); 14047c478bd9Sstevel@tonic-gate 14057c478bd9Sstevel@tonic-gate return (myu.retval); 14067c478bd9Sstevel@tonic-gate } 14077c478bd9Sstevel@tonic-gate 14085cff7825Smh ACPI_STATUS 14097c478bd9Sstevel@tonic-gate acpica_eval_int(ACPI_HANDLE dev, char *method, int *rint) 14107c478bd9Sstevel@tonic-gate { 14117c478bd9Sstevel@tonic-gate ACPI_STATUS status; 14127c478bd9Sstevel@tonic-gate ACPI_BUFFER rb; 14137c478bd9Sstevel@tonic-gate ACPI_OBJECT ro; 14147c478bd9Sstevel@tonic-gate 14157c478bd9Sstevel@tonic-gate rb.Pointer = &ro; 14167c478bd9Sstevel@tonic-gate rb.Length = sizeof (ro); 14177c478bd9Sstevel@tonic-gate if ((status = AcpiEvaluateObjectTyped(dev, method, NULL, &rb, 14185dff2f34Smyers ACPI_TYPE_INTEGER)) == AE_OK) 14197c478bd9Sstevel@tonic-gate *rint = ro.Integer.Value; 14207c478bd9Sstevel@tonic-gate 14217c478bd9Sstevel@tonic-gate return (status); 14227c478bd9Sstevel@tonic-gate } 14237c478bd9Sstevel@tonic-gate 14247c478bd9Sstevel@tonic-gate static int 14257c478bd9Sstevel@tonic-gate acpica_eval_hid(ACPI_HANDLE dev, char *method, int *rint) 14267c478bd9Sstevel@tonic-gate { 14277c478bd9Sstevel@tonic-gate ACPI_BUFFER rb; 14287c478bd9Sstevel@tonic-gate ACPI_OBJECT *rv; 14297c478bd9Sstevel@tonic-gate 14307c478bd9Sstevel@tonic-gate rb.Pointer = NULL; 14317c478bd9Sstevel@tonic-gate rb.Length = ACPI_ALLOCATE_BUFFER; 1432db2bae30SDana Myers if (AcpiEvaluateObject(dev, method, NULL, &rb) == AE_OK && 1433db2bae30SDana Myers rb.Length != 0) { 14347c478bd9Sstevel@tonic-gate rv = rb.Pointer; 14357c478bd9Sstevel@tonic-gate if (rv->Type == ACPI_TYPE_INTEGER) { 14367c478bd9Sstevel@tonic-gate *rint = rv->Integer.Value; 14377c478bd9Sstevel@tonic-gate AcpiOsFree(rv); 14387c478bd9Sstevel@tonic-gate return (AE_OK); 14397c478bd9Sstevel@tonic-gate } else if (rv->Type == ACPI_TYPE_STRING) { 14407c478bd9Sstevel@tonic-gate char *stringData; 14417c478bd9Sstevel@tonic-gate 14427c478bd9Sstevel@tonic-gate /* Convert the string into an EISA ID */ 14437c478bd9Sstevel@tonic-gate if (rv->String.Pointer == NULL) { 14447c478bd9Sstevel@tonic-gate AcpiOsFree(rv); 14457c478bd9Sstevel@tonic-gate return (AE_ERROR); 14467c478bd9Sstevel@tonic-gate } 14477c478bd9Sstevel@tonic-gate 14487c478bd9Sstevel@tonic-gate stringData = rv->String.Pointer; 14497c478bd9Sstevel@tonic-gate 14507c478bd9Sstevel@tonic-gate /* 14517c478bd9Sstevel@tonic-gate * If the string is an EisaID, it must be 7 14527c478bd9Sstevel@tonic-gate * characters; if it's an ACPI ID, it will be 8 14537c478bd9Sstevel@tonic-gate * (and we don't care about ACPI ids here). 14547c478bd9Sstevel@tonic-gate */ 14557c478bd9Sstevel@tonic-gate if (strlen(stringData) != 7) { 14567c478bd9Sstevel@tonic-gate AcpiOsFree(rv); 14577c478bd9Sstevel@tonic-gate return (AE_ERROR); 14587c478bd9Sstevel@tonic-gate } 14597c478bd9Sstevel@tonic-gate 14607c478bd9Sstevel@tonic-gate *rint = CompressEisaID(stringData); 14617c478bd9Sstevel@tonic-gate AcpiOsFree(rv); 14627c478bd9Sstevel@tonic-gate return (AE_OK); 14637c478bd9Sstevel@tonic-gate } else 14647c478bd9Sstevel@tonic-gate AcpiOsFree(rv); 14657c478bd9Sstevel@tonic-gate } 14667c478bd9Sstevel@tonic-gate return (AE_ERROR); 14677c478bd9Sstevel@tonic-gate } 14687c478bd9Sstevel@tonic-gate 14697c478bd9Sstevel@tonic-gate /* 14705cff7825Smh * Create linkage between devinfo nodes and ACPI nodes 14717c478bd9Sstevel@tonic-gate */ 1472fa96bd91SMichael Corcoran ACPI_STATUS 14735cff7825Smh acpica_tag_devinfo(dev_info_t *dip, ACPI_HANDLE acpiobj) 14747c478bd9Sstevel@tonic-gate { 14755cff7825Smh ACPI_STATUS status; 14765cff7825Smh ACPI_BUFFER rb; 14777c478bd9Sstevel@tonic-gate 14785cff7825Smh /* 14795cff7825Smh * Tag the devinfo node with the ACPI name 14805cff7825Smh */ 14815cff7825Smh rb.Pointer = NULL; 14825cff7825Smh rb.Length = ACPI_ALLOCATE_BUFFER; 1483fa96bd91SMichael Corcoran status = AcpiGetName(acpiobj, ACPI_FULL_PATHNAME, &rb); 1484fa96bd91SMichael Corcoran if (ACPI_FAILURE(status)) { 1485fa96bd91SMichael Corcoran cmn_err(CE_WARN, "acpica: could not get ACPI path!"); 1486fa96bd91SMichael Corcoran } else { 14875cff7825Smh (void) ndi_prop_update_string(DDI_DEV_T_NONE, dip, 14885cff7825Smh "acpi-namespace", (char *)rb.Pointer); 14895cff7825Smh AcpiOsFree(rb.Pointer); 14907c478bd9Sstevel@tonic-gate 1491fa96bd91SMichael Corcoran /* 1492fa96bd91SMichael Corcoran * Tag the ACPI node with the dip 1493fa96bd91SMichael Corcoran */ 1494fa96bd91SMichael Corcoran status = acpica_set_devinfo(acpiobj, dip); 1495fa96bd91SMichael Corcoran ASSERT(ACPI_SUCCESS(status)); 14965cff7825Smh } 14975cff7825Smh 1498fa96bd91SMichael Corcoran return (status); 1499fa96bd91SMichael Corcoran } 15005cff7825Smh 1501fa96bd91SMichael Corcoran /* 1502fa96bd91SMichael Corcoran * Destroy linkage between devinfo nodes and ACPI nodes 1503fa96bd91SMichael Corcoran */ 1504fa96bd91SMichael Corcoran ACPI_STATUS 1505fa96bd91SMichael Corcoran acpica_untag_devinfo(dev_info_t *dip, ACPI_HANDLE acpiobj) 1506fa96bd91SMichael Corcoran { 1507fa96bd91SMichael Corcoran (void) acpica_unset_devinfo(acpiobj); 1508fa96bd91SMichael Corcoran (void) ndi_prop_remove(DDI_DEV_T_NONE, dip, "acpi-namespace"); 15097c478bd9Sstevel@tonic-gate 1510fa96bd91SMichael Corcoran return (AE_OK); 15117c478bd9Sstevel@tonic-gate } 15127c478bd9Sstevel@tonic-gate 15137c478bd9Sstevel@tonic-gate /* 1514495256c0Smh * Return the ACPI device node matching the CPU dev_info node. 15157c478bd9Sstevel@tonic-gate */ 15165cff7825Smh ACPI_STATUS 15170e751525SEric Saxe acpica_get_handle_cpu(int cpu_id, ACPI_HANDLE *rh) 15187c478bd9Sstevel@tonic-gate { 1519fa96bd91SMichael Corcoran int i; 1520fa96bd91SMichael Corcoran 15215cff7825Smh /* 15225cff7825Smh * if cpu_map itself is NULL, we're a uppc system and 15235cff7825Smh * acpica_build_processor_map() hasn't been called yet. 15245cff7825Smh * So call it here 15255cff7825Smh */ 15265cff7825Smh if (cpu_map == NULL) { 15275cff7825Smh (void) acpica_build_processor_map(); 15285cff7825Smh if (cpu_map == NULL) 15295cff7825Smh return (AE_ERROR); 15307c478bd9Sstevel@tonic-gate } 15317c478bd9Sstevel@tonic-gate 1532fa96bd91SMichael Corcoran if (cpu_id < 0) { 15335cff7825Smh return (AE_ERROR); 1534fa96bd91SMichael Corcoran } 15355cff7825Smh 1536fa96bd91SMichael Corcoran /* 1537fa96bd91SMichael Corcoran * search object with cpuid in cpu_map 1538fa96bd91SMichael Corcoran */ 1539fa96bd91SMichael Corcoran mutex_enter(&cpu_map_lock); 1540fa96bd91SMichael Corcoran for (i = 0; i < cpu_map_count; i++) { 1541fa96bd91SMichael Corcoran if (cpu_map[i]->cpu_id == cpu_id) { 1542fa96bd91SMichael Corcoran break; 1543fa96bd91SMichael Corcoran } 1544fa96bd91SMichael Corcoran } 1545fa96bd91SMichael Corcoran if (i >= cpu_map_count || (cpu_map[i]->obj == NULL)) { 1546fa96bd91SMichael Corcoran mutex_exit(&cpu_map_lock); 1547fa96bd91SMichael Corcoran return (AE_ERROR); 1548fa96bd91SMichael Corcoran } 15495cff7825Smh *rh = cpu_map[cpu_id]->obj; 1550fa96bd91SMichael Corcoran mutex_exit(&cpu_map_lock); 1551fa96bd91SMichael Corcoran 15525cff7825Smh return (AE_OK); 15535cff7825Smh } 15545cff7825Smh 15555cff7825Smh /* 15565cff7825Smh * Determine if this object is a processor 15575cff7825Smh */ 15585cff7825Smh static ACPI_STATUS 15595cff7825Smh acpica_probe_processor(ACPI_HANDLE obj, UINT32 level, void *ctx, void **rv) 15605cff7825Smh { 15615cff7825Smh ACPI_STATUS status; 15625cff7825Smh ACPI_OBJECT_TYPE objtype; 15634b1ce0a9SDana Myers unsigned long acpi_id; 15645cff7825Smh ACPI_BUFFER rb; 15655cff7825Smh 15665cff7825Smh if (AcpiGetType(obj, &objtype) != AE_OK) 15675cff7825Smh return (AE_OK); 15685cff7825Smh 15695cff7825Smh if (objtype == ACPI_TYPE_PROCESSOR) { 15705cff7825Smh /* process a Processor */ 15717c478bd9Sstevel@tonic-gate rb.Pointer = NULL; 15727c478bd9Sstevel@tonic-gate rb.Length = ACPI_ALLOCATE_BUFFER; 1573db2bae30SDana Myers status = AcpiEvaluateObjectTyped(obj, NULL, NULL, &rb, 1574db2bae30SDana Myers ACPI_TYPE_PROCESSOR); 15755cff7825Smh if (status != AE_OK) { 15764b1ce0a9SDana Myers cmn_err(CE_WARN, "!acpica: error probing Processor"); 15775cff7825Smh return (status); 15787c478bd9Sstevel@tonic-gate } 15795cff7825Smh acpi_id = ((ACPI_OBJECT *)rb.Pointer)->Processor.ProcId; 15805cff7825Smh AcpiOsFree(rb.Pointer); 15815cff7825Smh } else if (objtype == ACPI_TYPE_DEVICE) { 15825cff7825Smh /* process a processor Device */ 1583b6917abeSmishra rb.Pointer = NULL; 1584b6917abeSmishra rb.Length = ACPI_ALLOCATE_BUFFER; 1585b6917abeSmishra status = AcpiGetObjectInfo(obj, &rb); 1586b6917abeSmishra if (status != AE_OK) { 1587b6917abeSmishra cmn_err(CE_WARN, 15884b1ce0a9SDana Myers "!acpica: error probing Processor Device\n"); 1589b6917abeSmishra return (status); 1590b6917abeSmishra } 1591b6917abeSmishra ASSERT(((ACPI_OBJECT *)rb.Pointer)->Type == 1592b6917abeSmishra ACPI_TYPE_DEVICE); 15934b1ce0a9SDana Myers 15944b1ce0a9SDana Myers if (ddi_strtoul( 15954b1ce0a9SDana Myers ((ACPI_DEVICE_INFO *)rb.Pointer)->UniqueId.Value, 15964b1ce0a9SDana Myers NULL, 10, &acpi_id) != 0) { 15974b1ce0a9SDana Myers AcpiOsFree(rb.Pointer); 15984b1ce0a9SDana Myers cmn_err(CE_WARN, 15994b1ce0a9SDana Myers "!acpica: error probing Processor Device _UID\n"); 16004b1ce0a9SDana Myers return (AE_ERROR); 16014b1ce0a9SDana Myers } 1602b6917abeSmishra AcpiOsFree(rb.Pointer); 16037c478bd9Sstevel@tonic-gate } 1604fa96bd91SMichael Corcoran (void) acpica_add_processor_to_map(acpi_id, obj, UINT32_MAX); 16055cff7825Smh 16065cff7825Smh return (AE_OK); 16077c478bd9Sstevel@tonic-gate } 16087c478bd9Sstevel@tonic-gate 16097c478bd9Sstevel@tonic-gate static void 16105cff7825Smh scan_d2a_map(void) 16117c478bd9Sstevel@tonic-gate { 16127c478bd9Sstevel@tonic-gate dev_info_t *dip, *cdip; 16137c478bd9Sstevel@tonic-gate ACPI_HANDLE acpiobj; 16147c478bd9Sstevel@tonic-gate char *device_type_prop; 16157c478bd9Sstevel@tonic-gate int bus; 16167c478bd9Sstevel@tonic-gate static int map_error = 0; 16177c478bd9Sstevel@tonic-gate 16187c478bd9Sstevel@tonic-gate if (map_error) 16197c478bd9Sstevel@tonic-gate return; 16207c478bd9Sstevel@tonic-gate 16215cff7825Smh scanning_d2a_map = 1; 16227c478bd9Sstevel@tonic-gate 16237c478bd9Sstevel@tonic-gate /* 16247c478bd9Sstevel@tonic-gate * Find all child-of-root PCI buses, and find their corresponding 16257c478bd9Sstevel@tonic-gate * ACPI child-of-root PCI nodes. For each one, add to the 16267c478bd9Sstevel@tonic-gate * d2a table. 16277c478bd9Sstevel@tonic-gate */ 16287c478bd9Sstevel@tonic-gate 16297c478bd9Sstevel@tonic-gate for (dip = ddi_get_child(ddi_root_node()); 16307c478bd9Sstevel@tonic-gate dip != NULL; 16317c478bd9Sstevel@tonic-gate dip = ddi_get_next_sibling(dip)) { 16327c478bd9Sstevel@tonic-gate 16337c478bd9Sstevel@tonic-gate /* prune non-PCI nodes */ 1634fa96bd91SMichael Corcoran if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 1635fa96bd91SMichael Corcoran DDI_PROP_DONTPASS, 16367c478bd9Sstevel@tonic-gate "device_type", &device_type_prop) != DDI_PROP_SUCCESS) 16377c478bd9Sstevel@tonic-gate continue; 16387c478bd9Sstevel@tonic-gate 163970025d76Sjohnny if ((strcmp("pci", device_type_prop) != 0) && 164070025d76Sjohnny (strcmp("pciex", device_type_prop) != 0)) { 16417c478bd9Sstevel@tonic-gate ddi_prop_free(device_type_prop); 16427c478bd9Sstevel@tonic-gate continue; 16437c478bd9Sstevel@tonic-gate } 16447c478bd9Sstevel@tonic-gate 16457c478bd9Sstevel@tonic-gate ddi_prop_free(device_type_prop); 16467c478bd9Sstevel@tonic-gate 16477c478bd9Sstevel@tonic-gate /* 16487c478bd9Sstevel@tonic-gate * To get bus number of dip, get first child and get its 16497c478bd9Sstevel@tonic-gate * bus number. If NULL, just continue, because we don't 16507c478bd9Sstevel@tonic-gate * care about bus nodes with no children anyway. 16517c478bd9Sstevel@tonic-gate */ 16527c478bd9Sstevel@tonic-gate if ((cdip = ddi_get_child(dip)) == NULL) 16537c478bd9Sstevel@tonic-gate continue; 16547c478bd9Sstevel@tonic-gate 16557c478bd9Sstevel@tonic-gate if (acpica_get_bdf(cdip, &bus, NULL, NULL) < 0) { 16567c478bd9Sstevel@tonic-gate #ifdef D2ADEBUG 16577c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "Can't get bus number of PCI child?"); 16587c478bd9Sstevel@tonic-gate #endif 16597c478bd9Sstevel@tonic-gate map_error = 1; 16605cff7825Smh scanning_d2a_map = 0; 16615cff7825Smh d2a_done = 1; 16627c478bd9Sstevel@tonic-gate return; 16637c478bd9Sstevel@tonic-gate } 16647c478bd9Sstevel@tonic-gate 16657c478bd9Sstevel@tonic-gate if (acpica_find_pcibus(bus, &acpiobj) == AE_ERROR) { 16667c478bd9Sstevel@tonic-gate #ifdef D2ADEBUG 16677c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "No ACPI bus obj for bus %d?\n", bus); 16687c478bd9Sstevel@tonic-gate #endif 16697c478bd9Sstevel@tonic-gate map_error = 1; 16707c478bd9Sstevel@tonic-gate continue; 16717c478bd9Sstevel@tonic-gate } 16727c478bd9Sstevel@tonic-gate 16735cff7825Smh acpica_tag_devinfo(dip, acpiobj); 16747c478bd9Sstevel@tonic-gate 16755cff7825Smh /* call recursively to enumerate subtrees */ 16765cff7825Smh scan_d2a_subtree(dip, acpiobj, bus); 16777c478bd9Sstevel@tonic-gate } 16785cff7825Smh 16795cff7825Smh scanning_d2a_map = 0; 16805cff7825Smh d2a_done = 1; 16817c478bd9Sstevel@tonic-gate } 16827c478bd9Sstevel@tonic-gate 16837c478bd9Sstevel@tonic-gate /* 16847c478bd9Sstevel@tonic-gate * For all acpi child devices of acpiobj, find their matching 16857c478bd9Sstevel@tonic-gate * dip under "dip" argument. (matching means "matches dev/fn"). 16867c478bd9Sstevel@tonic-gate * bus is assumed to already be a match from caller, and is 16877c478bd9Sstevel@tonic-gate * used here only to record in the d2a entry. Recurse if necessary. 16887c478bd9Sstevel@tonic-gate */ 16897c478bd9Sstevel@tonic-gate static void 16905cff7825Smh scan_d2a_subtree(dev_info_t *dip, ACPI_HANDLE acpiobj, int bus) 16917c478bd9Sstevel@tonic-gate { 16927c478bd9Sstevel@tonic-gate int acpi_devfn, hid; 16937c478bd9Sstevel@tonic-gate ACPI_HANDLE acld; 16947c478bd9Sstevel@tonic-gate dev_info_t *dcld; 16957c478bd9Sstevel@tonic-gate int dcld_b, dcld_d, dcld_f; 16967c478bd9Sstevel@tonic-gate int dev, func; 16975cff7825Smh char *device_type_prop; 16987c478bd9Sstevel@tonic-gate 16997c478bd9Sstevel@tonic-gate acld = NULL; 1700186507a7Smyers while (AcpiGetNextObject(ACPI_TYPE_DEVICE, acpiobj, acld, &acld) 17017c478bd9Sstevel@tonic-gate == AE_OK) { 17027c478bd9Sstevel@tonic-gate /* get the dev/func we're looking for in the devinfo tree */ 17037c478bd9Sstevel@tonic-gate if (acpica_eval_int(acld, "_ADR", &acpi_devfn) != AE_OK) 17047c478bd9Sstevel@tonic-gate continue; 17057c478bd9Sstevel@tonic-gate dev = (acpi_devfn >> 16) & 0xFFFF; 17067c478bd9Sstevel@tonic-gate func = acpi_devfn & 0xFFFF; 17077c478bd9Sstevel@tonic-gate 17087c478bd9Sstevel@tonic-gate /* look through all the immediate children of dip */ 17097c478bd9Sstevel@tonic-gate for (dcld = ddi_get_child(dip); dcld != NULL; 17107c478bd9Sstevel@tonic-gate dcld = ddi_get_next_sibling(dcld)) { 17117c478bd9Sstevel@tonic-gate if (acpica_get_bdf(dcld, &dcld_b, &dcld_d, &dcld_f) < 0) 17127c478bd9Sstevel@tonic-gate continue; 17137c478bd9Sstevel@tonic-gate 17147c478bd9Sstevel@tonic-gate /* dev must match; function must match or wildcard */ 17157c478bd9Sstevel@tonic-gate if (dcld_d != dev || 17167c478bd9Sstevel@tonic-gate (func != 0xFFFF && func != dcld_f)) 17177c478bd9Sstevel@tonic-gate continue; 17187c478bd9Sstevel@tonic-gate bus = dcld_b; 17197c478bd9Sstevel@tonic-gate 17207c478bd9Sstevel@tonic-gate /* found a match, record it */ 17215cff7825Smh acpica_tag_devinfo(dcld, acld); 17225cff7825Smh 17235cff7825Smh /* if we find a bridge, recurse from here */ 1724fa96bd91SMichael Corcoran if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dcld, 1725fa96bd91SMichael Corcoran DDI_PROP_DONTPASS, "device_type", 1726fa96bd91SMichael Corcoran &device_type_prop) == DDI_PROP_SUCCESS) { 17275cff7825Smh if ((strcmp("pci", device_type_prop) == 0) || 17285cff7825Smh (strcmp("pciex", device_type_prop) == 0)) 17295cff7825Smh scan_d2a_subtree(dcld, acld, bus); 17305cff7825Smh ddi_prop_free(device_type_prop); 17315cff7825Smh } 17327c478bd9Sstevel@tonic-gate 17337c478bd9Sstevel@tonic-gate /* done finding a match, so break now */ 17347c478bd9Sstevel@tonic-gate break; 17357c478bd9Sstevel@tonic-gate } 17368e56767dSsmall } 17377c478bd9Sstevel@tonic-gate } 17387c478bd9Sstevel@tonic-gate 17397c478bd9Sstevel@tonic-gate /* 17407c478bd9Sstevel@tonic-gate * Return bus/dev/fn for PCI dip (note: not the parent "pci" node). 17417c478bd9Sstevel@tonic-gate */ 17427c478bd9Sstevel@tonic-gate int 17437c478bd9Sstevel@tonic-gate acpica_get_bdf(dev_info_t *dip, int *bus, int *device, int *func) 17447c478bd9Sstevel@tonic-gate { 17457c478bd9Sstevel@tonic-gate pci_regspec_t *pci_rp; 17467c478bd9Sstevel@tonic-gate int len; 17477c478bd9Sstevel@tonic-gate 17487c478bd9Sstevel@tonic-gate if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, 17497c478bd9Sstevel@tonic-gate "reg", (int **)&pci_rp, (uint_t *)&len) != DDI_SUCCESS) 17507c478bd9Sstevel@tonic-gate return (-1); 17517c478bd9Sstevel@tonic-gate 17527c478bd9Sstevel@tonic-gate if (len < (sizeof (pci_regspec_t) / sizeof (int))) { 17537c478bd9Sstevel@tonic-gate ddi_prop_free(pci_rp); 17547c478bd9Sstevel@tonic-gate return (-1); 17557c478bd9Sstevel@tonic-gate } 17567c478bd9Sstevel@tonic-gate if (bus != NULL) 17577c478bd9Sstevel@tonic-gate *bus = (int)PCI_REG_BUS_G(pci_rp->pci_phys_hi); 17587c478bd9Sstevel@tonic-gate if (device != NULL) 17597c478bd9Sstevel@tonic-gate *device = (int)PCI_REG_DEV_G(pci_rp->pci_phys_hi); 17607c478bd9Sstevel@tonic-gate if (func != NULL) 17617c478bd9Sstevel@tonic-gate *func = (int)PCI_REG_FUNC_G(pci_rp->pci_phys_hi); 17627c478bd9Sstevel@tonic-gate ddi_prop_free(pci_rp); 17637c478bd9Sstevel@tonic-gate return (0); 17647c478bd9Sstevel@tonic-gate } 17655cff7825Smh 17665cff7825Smh /* 17675cff7825Smh * Return the ACPI device node matching this dev_info node, if it 17685cff7825Smh * exists in the ACPI tree. 17695cff7825Smh */ 17705cff7825Smh ACPI_STATUS 17715cff7825Smh acpica_get_handle(dev_info_t *dip, ACPI_HANDLE *rh) 17725cff7825Smh { 17735cff7825Smh ACPI_STATUS status; 17745cff7825Smh char *acpiname; 17755cff7825Smh 17765cff7825Smh if (!d2a_done) 17775cff7825Smh scan_d2a_map(); 17785cff7825Smh 17795cff7825Smh if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, 17805cff7825Smh "acpi-namespace", &acpiname) != DDI_PROP_SUCCESS) { 17810e751525SEric Saxe return (AE_ERROR); 17825cff7825Smh } 17835cff7825Smh 17845cff7825Smh status = AcpiGetHandle(NULL, acpiname, rh); 17855cff7825Smh ddi_prop_free((void *)acpiname); 17865cff7825Smh return (status); 17875cff7825Smh } 17885cff7825Smh 17895cff7825Smh 17905cff7825Smh 17915cff7825Smh /* 17925cff7825Smh * Manage OS data attachment to ACPI nodes 17935cff7825Smh */ 17945cff7825Smh 17955cff7825Smh /* 17965cff7825Smh * Return the (dev_info_t *) associated with the ACPI node. 17975cff7825Smh */ 17985cff7825Smh ACPI_STATUS 17995cff7825Smh acpica_get_devinfo(ACPI_HANDLE obj, dev_info_t **dipp) 18005cff7825Smh { 18015cff7825Smh ACPI_STATUS status; 18025cff7825Smh void *ptr; 18035cff7825Smh 18045cff7825Smh status = AcpiGetData(obj, acpica_devinfo_handler, &ptr); 18055cff7825Smh if (status == AE_OK) 18065cff7825Smh *dipp = (dev_info_t *)ptr; 18075cff7825Smh 18085cff7825Smh return (status); 18095cff7825Smh } 18105cff7825Smh 18115cff7825Smh /* 18125cff7825Smh * Set the dev_info_t associated with the ACPI node. 18135cff7825Smh */ 18145cff7825Smh static ACPI_STATUS 18155cff7825Smh acpica_set_devinfo(ACPI_HANDLE obj, dev_info_t *dip) 18165cff7825Smh { 18175cff7825Smh ACPI_STATUS status; 18185cff7825Smh 18195cff7825Smh status = AcpiAttachData(obj, acpica_devinfo_handler, (void *)dip); 18205cff7825Smh return (status); 18215cff7825Smh } 18225cff7825Smh 18235cff7825Smh /* 1824fa96bd91SMichael Corcoran * Unset the dev_info_t associated with the ACPI node. 18255cff7825Smh */ 1826fa96bd91SMichael Corcoran static ACPI_STATUS 1827fa96bd91SMichael Corcoran acpica_unset_devinfo(ACPI_HANDLE obj) 18285cff7825Smh { 1829fa96bd91SMichael Corcoran return (AcpiDetachData(obj, acpica_devinfo_handler)); 18305cff7825Smh } 18315cff7825Smh 18325cff7825Smh /* 18335cff7825Smh * 18345cff7825Smh */ 18355cff7825Smh void 1836fa96bd91SMichael Corcoran acpica_devinfo_handler(ACPI_HANDLE obj, UINT32 func, void *data) 18375cff7825Smh { 1838fa96bd91SMichael Corcoran /* noop */ 18395cff7825Smh } 18405cff7825Smh 1841fa96bd91SMichael Corcoran ACPI_STATUS 1842fa96bd91SMichael Corcoran acpica_build_processor_map(void) 18435cff7825Smh { 18445cff7825Smh ACPI_STATUS status; 18455cff7825Smh void *rv; 18465cff7825Smh 18475cff7825Smh /* 18485cff7825Smh * shouldn't be called more than once anyway 18495cff7825Smh */ 18505cff7825Smh if (cpu_map_built) 1851fa96bd91SMichael Corcoran return (AE_OK); 1852fa96bd91SMichael Corcoran 1853fa96bd91SMichael Corcoran /* 1854fa96bd91SMichael Corcoran * ACPI device configuration driver has built mapping information 1855fa96bd91SMichael Corcoran * among processor id and object handle, no need to probe again. 1856fa96bd91SMichael Corcoran */ 1857fa96bd91SMichael Corcoran if (acpica_get_devcfg_feature(ACPI_DEVCFG_CPU)) { 1858fa96bd91SMichael Corcoran cpu_map_built = 1; 1859fa96bd91SMichael Corcoran return (AE_OK); 1860fa96bd91SMichael Corcoran } 18615cff7825Smh 18625cff7825Smh /* 18635cff7825Smh * Look for Processor objects 18645cff7825Smh */ 18655cff7825Smh status = AcpiWalkNamespace(ACPI_TYPE_PROCESSOR, 18665cff7825Smh ACPI_ROOT_OBJECT, 18675cff7825Smh 4, 18685cff7825Smh acpica_probe_processor, 18695cff7825Smh NULL, 18705cff7825Smh &rv); 18715cff7825Smh ASSERT(status == AE_OK); 18725cff7825Smh 18735cff7825Smh /* 18745cff7825Smh * Look for processor Device objects 18755cff7825Smh */ 18765cff7825Smh status = AcpiGetDevices("ACPI0007", 18775cff7825Smh acpica_probe_processor, 18785cff7825Smh NULL, 18795cff7825Smh &rv); 18805cff7825Smh ASSERT(status == AE_OK); 18815cff7825Smh cpu_map_built = 1; 1882fa96bd91SMichael Corcoran 1883fa96bd91SMichael Corcoran return (status); 1884fa96bd91SMichael Corcoran } 1885fa96bd91SMichael Corcoran 1886fa96bd91SMichael Corcoran /* 1887fa96bd91SMichael Corcoran * Grow cpu map table on demand. 1888fa96bd91SMichael Corcoran */ 1889fa96bd91SMichael Corcoran static void 1890fa96bd91SMichael Corcoran acpica_grow_cpu_map(void) 1891fa96bd91SMichael Corcoran { 1892fa96bd91SMichael Corcoran if (cpu_map_count == cpu_map_count_max) { 1893fa96bd91SMichael Corcoran size_t sz; 1894fa96bd91SMichael Corcoran struct cpu_map_item **new_map; 1895fa96bd91SMichael Corcoran 1896fa96bd91SMichael Corcoran ASSERT(cpu_map_count_max < INT_MAX / 2); 1897fa96bd91SMichael Corcoran cpu_map_count_max += max_ncpus; 1898fa96bd91SMichael Corcoran new_map = kmem_zalloc(sizeof (cpu_map[0]) * cpu_map_count_max, 1899fa96bd91SMichael Corcoran KM_SLEEP); 1900fa96bd91SMichael Corcoran if (cpu_map_count != 0) { 1901fa96bd91SMichael Corcoran ASSERT(cpu_map != NULL); 1902fa96bd91SMichael Corcoran sz = sizeof (cpu_map[0]) * cpu_map_count; 1903fa96bd91SMichael Corcoran kcopy(cpu_map, new_map, sz); 1904fa96bd91SMichael Corcoran kmem_free(cpu_map, sz); 1905fa96bd91SMichael Corcoran } 1906fa96bd91SMichael Corcoran cpu_map = new_map; 1907fa96bd91SMichael Corcoran } 1908fa96bd91SMichael Corcoran } 1909fa96bd91SMichael Corcoran 1910fa96bd91SMichael Corcoran /* 1911fa96bd91SMichael Corcoran * Maintain mapping information among (cpu id, ACPI processor id, APIC id, 1912fa96bd91SMichael Corcoran * ACPI handle). The mapping table will be setup in two steps: 1913fa96bd91SMichael Corcoran * 1) acpica_add_processor_to_map() builds mapping among APIC id, ACPI 1914fa96bd91SMichael Corcoran * processor id and ACPI object handle. 1915fa96bd91SMichael Corcoran * 2) acpica_map_cpu() builds mapping among cpu id and ACPI processor id. 1916fa96bd91SMichael Corcoran * On system with ACPI device configuration for CPU enabled, acpica_map_cpu() 1917fa96bd91SMichael Corcoran * will be called before acpica_add_processor_to_map(), otherwise 1918fa96bd91SMichael Corcoran * acpica_map_cpu() will be called after acpica_add_processor_to_map(). 1919fa96bd91SMichael Corcoran */ 1920fa96bd91SMichael Corcoran ACPI_STATUS 1921fa96bd91SMichael Corcoran acpica_add_processor_to_map(UINT32 acpi_id, ACPI_HANDLE obj, UINT32 apic_id) 1922fa96bd91SMichael Corcoran { 1923fa96bd91SMichael Corcoran int i; 1924fa96bd91SMichael Corcoran ACPI_STATUS rc = AE_OK; 1925fa96bd91SMichael Corcoran struct cpu_map_item *item = NULL; 1926fa96bd91SMichael Corcoran 1927fa96bd91SMichael Corcoran ASSERT(obj != NULL); 1928fa96bd91SMichael Corcoran if (obj == NULL) { 1929fa96bd91SMichael Corcoran return (AE_ERROR); 1930fa96bd91SMichael Corcoran } 1931fa96bd91SMichael Corcoran 1932fa96bd91SMichael Corcoran mutex_enter(&cpu_map_lock); 1933fa96bd91SMichael Corcoran 1934fa96bd91SMichael Corcoran /* 1935fa96bd91SMichael Corcoran * Special case for uppc 1936fa96bd91SMichael Corcoran * If we're a uppc system and ACPI device configuration for CPU has 1937fa96bd91SMichael Corcoran * been disabled, there won't be a CPU map yet because uppc psm doesn't 1938fa96bd91SMichael Corcoran * call acpica_map_cpu(). So create one and use the passed-in processor 1939fa96bd91SMichael Corcoran * as CPU 0 1940fa96bd91SMichael Corcoran */ 1941fa96bd91SMichael Corcoran if (cpu_map == NULL && 1942fa96bd91SMichael Corcoran !acpica_get_devcfg_feature(ACPI_DEVCFG_CPU)) { 1943fa96bd91SMichael Corcoran acpica_grow_cpu_map(); 1944fa96bd91SMichael Corcoran ASSERT(cpu_map != NULL); 1945fa96bd91SMichael Corcoran item = kmem_zalloc(sizeof (*item), KM_SLEEP); 1946fa96bd91SMichael Corcoran item->cpu_id = 0; 1947fa96bd91SMichael Corcoran item->proc_id = acpi_id; 1948fa96bd91SMichael Corcoran item->apic_id = apic_id; 1949fa96bd91SMichael Corcoran item->obj = obj; 1950fa96bd91SMichael Corcoran cpu_map[0] = item; 1951fa96bd91SMichael Corcoran cpu_map_count = 1; 1952fa96bd91SMichael Corcoran mutex_exit(&cpu_map_lock); 1953fa96bd91SMichael Corcoran return (AE_OK); 1954fa96bd91SMichael Corcoran } 1955fa96bd91SMichael Corcoran 1956fa96bd91SMichael Corcoran for (i = 0; i < cpu_map_count; i++) { 1957fa96bd91SMichael Corcoran if (cpu_map[i]->obj == obj) { 1958fa96bd91SMichael Corcoran rc = AE_ALREADY_EXISTS; 1959fa96bd91SMichael Corcoran break; 1960fa96bd91SMichael Corcoran } else if (cpu_map[i]->proc_id == acpi_id) { 1961fa96bd91SMichael Corcoran ASSERT(item == NULL); 1962fa96bd91SMichael Corcoran item = cpu_map[i]; 1963fa96bd91SMichael Corcoran } 1964fa96bd91SMichael Corcoran } 1965fa96bd91SMichael Corcoran 1966fa96bd91SMichael Corcoran if (rc == AE_OK) { 1967fa96bd91SMichael Corcoran if (item != NULL) { 1968fa96bd91SMichael Corcoran /* 1969fa96bd91SMichael Corcoran * ACPI alias objects may cause more than one objects 1970fa96bd91SMichael Corcoran * with the same ACPI processor id, only remember the 1971fa96bd91SMichael Corcoran * the first object encountered. 1972fa96bd91SMichael Corcoran */ 1973fa96bd91SMichael Corcoran if (item->obj == NULL) { 1974fa96bd91SMichael Corcoran item->obj = obj; 1975fa96bd91SMichael Corcoran item->apic_id = apic_id; 1976fa96bd91SMichael Corcoran } else { 1977fa96bd91SMichael Corcoran rc = AE_ALREADY_EXISTS; 1978fa96bd91SMichael Corcoran } 1979fa96bd91SMichael Corcoran } else if (cpu_map_count >= INT_MAX / 2) { 1980fa96bd91SMichael Corcoran rc = AE_NO_MEMORY; 1981fa96bd91SMichael Corcoran } else { 1982fa96bd91SMichael Corcoran acpica_grow_cpu_map(); 1983fa96bd91SMichael Corcoran ASSERT(cpu_map != NULL); 1984fa96bd91SMichael Corcoran ASSERT(cpu_map_count < cpu_map_count_max); 1985fa96bd91SMichael Corcoran item = kmem_zalloc(sizeof (*item), KM_SLEEP); 1986fa96bd91SMichael Corcoran item->cpu_id = -1; 1987fa96bd91SMichael Corcoran item->proc_id = acpi_id; 1988fa96bd91SMichael Corcoran item->apic_id = apic_id; 1989fa96bd91SMichael Corcoran item->obj = obj; 1990fa96bd91SMichael Corcoran cpu_map[cpu_map_count] = item; 1991fa96bd91SMichael Corcoran cpu_map_count++; 1992fa96bd91SMichael Corcoran } 1993fa96bd91SMichael Corcoran } 1994fa96bd91SMichael Corcoran 1995fa96bd91SMichael Corcoran mutex_exit(&cpu_map_lock); 1996fa96bd91SMichael Corcoran 1997fa96bd91SMichael Corcoran return (rc); 1998fa96bd91SMichael Corcoran } 1999fa96bd91SMichael Corcoran 2000fa96bd91SMichael Corcoran ACPI_STATUS 2001fa96bd91SMichael Corcoran acpica_remove_processor_from_map(UINT32 acpi_id) 2002fa96bd91SMichael Corcoran { 2003fa96bd91SMichael Corcoran int i; 2004fa96bd91SMichael Corcoran ACPI_STATUS rc = AE_NOT_EXIST; 2005fa96bd91SMichael Corcoran 2006fa96bd91SMichael Corcoran mutex_enter(&cpu_map_lock); 2007fa96bd91SMichael Corcoran for (i = 0; i < cpu_map_count; i++) { 2008fa96bd91SMichael Corcoran if (cpu_map[i]->proc_id != acpi_id) { 2009fa96bd91SMichael Corcoran continue; 2010fa96bd91SMichael Corcoran } 2011fa96bd91SMichael Corcoran cpu_map[i]->obj = NULL; 2012fa96bd91SMichael Corcoran /* Free item if no more reference to it. */ 2013fa96bd91SMichael Corcoran if (cpu_map[i]->cpu_id == -1) { 2014fa96bd91SMichael Corcoran kmem_free(cpu_map[i], sizeof (struct cpu_map_item)); 2015fa96bd91SMichael Corcoran cpu_map[i] = NULL; 2016fa96bd91SMichael Corcoran cpu_map_count--; 2017fa96bd91SMichael Corcoran if (i != cpu_map_count) { 2018fa96bd91SMichael Corcoran cpu_map[i] = cpu_map[cpu_map_count]; 2019fa96bd91SMichael Corcoran cpu_map[cpu_map_count] = NULL; 2020fa96bd91SMichael Corcoran } 2021fa96bd91SMichael Corcoran } 2022fa96bd91SMichael Corcoran rc = AE_OK; 2023fa96bd91SMichael Corcoran break; 2024fa96bd91SMichael Corcoran } 2025fa96bd91SMichael Corcoran mutex_exit(&cpu_map_lock); 2026fa96bd91SMichael Corcoran 2027fa96bd91SMichael Corcoran return (rc); 2028fa96bd91SMichael Corcoran } 2029fa96bd91SMichael Corcoran 2030fa96bd91SMichael Corcoran ACPI_STATUS 2031fa96bd91SMichael Corcoran acpica_map_cpu(processorid_t cpuid, UINT32 acpi_id) 2032fa96bd91SMichael Corcoran { 2033fa96bd91SMichael Corcoran int i; 2034fa96bd91SMichael Corcoran ACPI_STATUS rc = AE_OK; 2035fa96bd91SMichael Corcoran struct cpu_map_item *item = NULL; 2036fa96bd91SMichael Corcoran 2037fa96bd91SMichael Corcoran ASSERT(cpuid != -1); 2038fa96bd91SMichael Corcoran if (cpuid == -1) { 2039fa96bd91SMichael Corcoran return (AE_ERROR); 2040fa96bd91SMichael Corcoran } 2041fa96bd91SMichael Corcoran 2042fa96bd91SMichael Corcoran mutex_enter(&cpu_map_lock); 2043fa96bd91SMichael Corcoran for (i = 0; i < cpu_map_count; i++) { 2044fa96bd91SMichael Corcoran if (cpu_map[i]->cpu_id == cpuid) { 2045fa96bd91SMichael Corcoran rc = AE_ALREADY_EXISTS; 2046fa96bd91SMichael Corcoran break; 2047fa96bd91SMichael Corcoran } else if (cpu_map[i]->proc_id == acpi_id) { 2048fa96bd91SMichael Corcoran ASSERT(item == NULL); 2049fa96bd91SMichael Corcoran item = cpu_map[i]; 2050fa96bd91SMichael Corcoran } 2051fa96bd91SMichael Corcoran } 2052fa96bd91SMichael Corcoran if (rc == AE_OK) { 2053fa96bd91SMichael Corcoran if (item != NULL) { 2054fa96bd91SMichael Corcoran if (item->cpu_id == -1) { 2055fa96bd91SMichael Corcoran item->cpu_id = cpuid; 2056fa96bd91SMichael Corcoran } else { 2057fa96bd91SMichael Corcoran rc = AE_ALREADY_EXISTS; 2058fa96bd91SMichael Corcoran } 2059fa96bd91SMichael Corcoran } else if (cpu_map_count >= INT_MAX / 2) { 2060fa96bd91SMichael Corcoran rc = AE_NO_MEMORY; 2061fa96bd91SMichael Corcoran } else { 2062fa96bd91SMichael Corcoran acpica_grow_cpu_map(); 2063fa96bd91SMichael Corcoran ASSERT(cpu_map != NULL); 2064fa96bd91SMichael Corcoran ASSERT(cpu_map_count < cpu_map_count_max); 2065fa96bd91SMichael Corcoran item = kmem_zalloc(sizeof (*item), KM_SLEEP); 2066fa96bd91SMichael Corcoran item->cpu_id = cpuid; 2067fa96bd91SMichael Corcoran item->proc_id = acpi_id; 2068fa96bd91SMichael Corcoran item->apic_id = UINT32_MAX; 2069fa96bd91SMichael Corcoran item->obj = NULL; 2070fa96bd91SMichael Corcoran cpu_map[cpu_map_count] = item; 2071fa96bd91SMichael Corcoran cpu_map_count++; 2072fa96bd91SMichael Corcoran } 2073fa96bd91SMichael Corcoran } 2074fa96bd91SMichael Corcoran mutex_exit(&cpu_map_lock); 2075fa96bd91SMichael Corcoran 2076fa96bd91SMichael Corcoran return (rc); 2077fa96bd91SMichael Corcoran } 2078fa96bd91SMichael Corcoran 2079fa96bd91SMichael Corcoran ACPI_STATUS 2080fa96bd91SMichael Corcoran acpica_unmap_cpu(processorid_t cpuid) 2081fa96bd91SMichael Corcoran { 2082fa96bd91SMichael Corcoran int i; 2083fa96bd91SMichael Corcoran ACPI_STATUS rc = AE_NOT_EXIST; 2084fa96bd91SMichael Corcoran 2085fa96bd91SMichael Corcoran ASSERT(cpuid != -1); 2086fa96bd91SMichael Corcoran if (cpuid == -1) { 2087fa96bd91SMichael Corcoran return (rc); 2088fa96bd91SMichael Corcoran } 2089fa96bd91SMichael Corcoran 2090fa96bd91SMichael Corcoran mutex_enter(&cpu_map_lock); 2091fa96bd91SMichael Corcoran for (i = 0; i < cpu_map_count; i++) { 2092fa96bd91SMichael Corcoran if (cpu_map[i]->cpu_id != cpuid) { 2093fa96bd91SMichael Corcoran continue; 2094fa96bd91SMichael Corcoran } 2095fa96bd91SMichael Corcoran cpu_map[i]->cpu_id = -1; 2096fa96bd91SMichael Corcoran /* Free item if no more reference. */ 2097fa96bd91SMichael Corcoran if (cpu_map[i]->obj == NULL) { 2098fa96bd91SMichael Corcoran kmem_free(cpu_map[i], sizeof (struct cpu_map_item)); 2099fa96bd91SMichael Corcoran cpu_map[i] = NULL; 2100fa96bd91SMichael Corcoran cpu_map_count--; 2101fa96bd91SMichael Corcoran if (i != cpu_map_count) { 2102fa96bd91SMichael Corcoran cpu_map[i] = cpu_map[cpu_map_count]; 2103fa96bd91SMichael Corcoran cpu_map[cpu_map_count] = NULL; 2104fa96bd91SMichael Corcoran } 2105fa96bd91SMichael Corcoran } 2106fa96bd91SMichael Corcoran rc = AE_OK; 2107fa96bd91SMichael Corcoran break; 2108fa96bd91SMichael Corcoran } 2109fa96bd91SMichael Corcoran mutex_exit(&cpu_map_lock); 2110fa96bd91SMichael Corcoran 2111fa96bd91SMichael Corcoran return (rc); 2112fa96bd91SMichael Corcoran } 2113fa96bd91SMichael Corcoran 2114fa96bd91SMichael Corcoran ACPI_STATUS 2115fa96bd91SMichael Corcoran acpica_get_cpu_object_by_cpuid(processorid_t cpuid, ACPI_HANDLE *hdlp) 2116fa96bd91SMichael Corcoran { 2117fa96bd91SMichael Corcoran int i; 2118fa96bd91SMichael Corcoran ACPI_STATUS rc = AE_NOT_EXIST; 2119fa96bd91SMichael Corcoran 2120fa96bd91SMichael Corcoran ASSERT(cpuid != -1); 2121fa96bd91SMichael Corcoran if (cpuid == -1) { 2122fa96bd91SMichael Corcoran return (rc); 2123fa96bd91SMichael Corcoran } 2124fa96bd91SMichael Corcoran 2125fa96bd91SMichael Corcoran mutex_enter(&cpu_map_lock); 2126fa96bd91SMichael Corcoran for (i = 0; i < cpu_map_count; i++) { 2127fa96bd91SMichael Corcoran if (cpu_map[i]->cpu_id == cpuid && cpu_map[i]->obj != NULL) { 2128fa96bd91SMichael Corcoran *hdlp = cpu_map[i]->obj; 2129fa96bd91SMichael Corcoran rc = AE_OK; 2130fa96bd91SMichael Corcoran break; 2131fa96bd91SMichael Corcoran } 2132fa96bd91SMichael Corcoran } 2133fa96bd91SMichael Corcoran mutex_exit(&cpu_map_lock); 2134fa96bd91SMichael Corcoran 2135fa96bd91SMichael Corcoran return (rc); 2136fa96bd91SMichael Corcoran } 2137fa96bd91SMichael Corcoran 2138fa96bd91SMichael Corcoran ACPI_STATUS 2139fa96bd91SMichael Corcoran acpica_get_cpu_object_by_procid(UINT32 procid, ACPI_HANDLE *hdlp) 2140fa96bd91SMichael Corcoran { 2141fa96bd91SMichael Corcoran int i; 2142fa96bd91SMichael Corcoran ACPI_STATUS rc = AE_NOT_EXIST; 2143fa96bd91SMichael Corcoran 2144fa96bd91SMichael Corcoran mutex_enter(&cpu_map_lock); 2145fa96bd91SMichael Corcoran for (i = 0; i < cpu_map_count; i++) { 2146fa96bd91SMichael Corcoran if (cpu_map[i]->proc_id == procid && cpu_map[i]->obj != NULL) { 2147fa96bd91SMichael Corcoran *hdlp = cpu_map[i]->obj; 2148fa96bd91SMichael Corcoran rc = AE_OK; 2149fa96bd91SMichael Corcoran break; 2150fa96bd91SMichael Corcoran } 2151fa96bd91SMichael Corcoran } 2152fa96bd91SMichael Corcoran mutex_exit(&cpu_map_lock); 2153fa96bd91SMichael Corcoran 2154fa96bd91SMichael Corcoran return (rc); 2155fa96bd91SMichael Corcoran } 2156fa96bd91SMichael Corcoran 2157fa96bd91SMichael Corcoran ACPI_STATUS 2158fa96bd91SMichael Corcoran acpica_get_cpu_object_by_apicid(UINT32 apicid, ACPI_HANDLE *hdlp) 2159fa96bd91SMichael Corcoran { 2160fa96bd91SMichael Corcoran int i; 2161fa96bd91SMichael Corcoran ACPI_STATUS rc = AE_NOT_EXIST; 2162fa96bd91SMichael Corcoran 2163fa96bd91SMichael Corcoran ASSERT(apicid != UINT32_MAX); 2164fa96bd91SMichael Corcoran if (apicid == UINT32_MAX) { 2165fa96bd91SMichael Corcoran return (rc); 2166fa96bd91SMichael Corcoran } 2167fa96bd91SMichael Corcoran 2168fa96bd91SMichael Corcoran mutex_enter(&cpu_map_lock); 2169fa96bd91SMichael Corcoran for (i = 0; i < cpu_map_count; i++) { 2170fa96bd91SMichael Corcoran if (cpu_map[i]->apic_id == apicid && cpu_map[i]->obj != NULL) { 2171fa96bd91SMichael Corcoran *hdlp = cpu_map[i]->obj; 2172fa96bd91SMichael Corcoran rc = AE_OK; 2173fa96bd91SMichael Corcoran break; 2174fa96bd91SMichael Corcoran } 2175fa96bd91SMichael Corcoran } 2176fa96bd91SMichael Corcoran mutex_exit(&cpu_map_lock); 2177fa96bd91SMichael Corcoran 2178fa96bd91SMichael Corcoran return (rc); 2179fa96bd91SMichael Corcoran } 2180fa96bd91SMichael Corcoran 2181fa96bd91SMichael Corcoran void 2182fa96bd91SMichael Corcoran acpica_set_core_feature(uint64_t features) 2183fa96bd91SMichael Corcoran { 2184fa96bd91SMichael Corcoran atomic_or_64(&acpica_core_features, features); 2185fa96bd91SMichael Corcoran } 2186fa96bd91SMichael Corcoran 2187fa96bd91SMichael Corcoran void 2188fa96bd91SMichael Corcoran acpica_clear_core_feature(uint64_t features) 2189fa96bd91SMichael Corcoran { 2190fa96bd91SMichael Corcoran atomic_and_64(&acpica_core_features, ~features); 2191fa96bd91SMichael Corcoran } 2192fa96bd91SMichael Corcoran 2193fa96bd91SMichael Corcoran uint64_t 2194fa96bd91SMichael Corcoran acpica_get_core_feature(uint64_t features) 2195fa96bd91SMichael Corcoran { 2196fa96bd91SMichael Corcoran return (acpica_core_features & features); 2197fa96bd91SMichael Corcoran } 2198fa96bd91SMichael Corcoran 2199fa96bd91SMichael Corcoran void 2200fa96bd91SMichael Corcoran acpica_set_devcfg_feature(uint64_t features) 2201fa96bd91SMichael Corcoran { 2202fa96bd91SMichael Corcoran atomic_or_64(&acpica_devcfg_features, features); 2203fa96bd91SMichael Corcoran } 2204fa96bd91SMichael Corcoran 2205fa96bd91SMichael Corcoran void 2206fa96bd91SMichael Corcoran acpica_clear_devcfg_feature(uint64_t features) 2207fa96bd91SMichael Corcoran { 2208fa96bd91SMichael Corcoran atomic_and_64(&acpica_devcfg_features, ~features); 2209fa96bd91SMichael Corcoran } 2210fa96bd91SMichael Corcoran 2211fa96bd91SMichael Corcoran uint64_t 2212fa96bd91SMichael Corcoran acpica_get_devcfg_feature(uint64_t features) 2213fa96bd91SMichael Corcoran { 2214fa96bd91SMichael Corcoran return (acpica_devcfg_features & features); 22155cff7825Smh } 22160e751525SEric Saxe 22170e751525SEric Saxe void 22180e751525SEric Saxe acpica_get_global_FADT(ACPI_TABLE_FADT **gbl_FADT) 22190e751525SEric Saxe { 22200e751525SEric Saxe *gbl_FADT = &AcpiGbl_FADT; 22210e751525SEric Saxe } 2222