/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2004 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_1394_CMD1394_H #define _SYS_1394_CMD1394_H /* * cmd1394.h * Contains the enums, command structures, and error codes used with * the 1394 Framework's t1394_read(), t1394_write(), and t1394_lock() * interfaces. * For outgoing (Asynchronous Transmit - AT) commands, target drivers * allocate a command using t1394_alloc_cmd(), fill it in with the * transmit info, and send it using one of t1394_read(), t1394_write(), * of t1394_lock(). * The target driver can choose whether to get a callback when the * command completes, block until it completes, or poll on the return * status in the command. * For incoming (Asynchronous Receive - AR) requests, the same command * structure is used and most of the information has the same or a * similar meaning to what it does on the AT side. The major differences * are that nodeID indicates the node from which the command was sent * and broadcast informs a target driver whether the incoming request * was broadcast to everyone. */ #include #include #include #include #ifdef __cplusplus extern "C" { #endif /* * cmd1394_cmd.cmd_type * Used to select/indicate the request packet type */ typedef enum { CMD1394_ASYNCH_RD_QUAD = 0, CMD1394_ASYNCH_WR_QUAD = 1, CMD1394_ASYNCH_RD_BLOCK = 2, CMD1394_ASYNCH_WR_BLOCK = 3, CMD1394_ASYNCH_LOCK_32 = 4, CMD1394_ASYNCH_LOCK_64 = 5 } cmd1394_cmd_type_t; /* * cmd1394_cmd.flags * Used to select the request's behavior, including * how the destination address is determined, how * a large request will be broken into smaller requests, * whether the command should be resent after a * bus reset has happened, etc. */ typedef enum { CMD1394_CANCEL_ON_BUS_RESET = (1 << 0), CMD1394_OVERRIDE_ADDR = (1 << 1), CMD1394_OVERRIDE_MAX_PAYLOAD = (1 << 2), CMD1394_DISABLE_ADDR_INCREMENT = (1 << 3), CMD1394_BLOCKING = (1 << 4), CMD1394_OVERRIDE_SPEED = (1 << 5) } cmd1394_flags_t; /* * cmd1394_cmd.arg.l.lock_type * Used to select/indicate the type of lock operation * in the request. Some are supported by the 1394 spec * others (0x10000+) are supported locally in software. */ typedef enum { /* Reserved = 0x0000 */ CMD1394_LOCK_MASK_SWAP = 0x0001, CMD1394_LOCK_COMPARE_SWAP = 0x0002, CMD1394_LOCK_FETCH_ADD = 0x0003, CMD1394_LOCK_LITTLE_ADD = 0x0004, CMD1394_LOCK_BOUNDED_ADD = 0x0005, CMD1394_LOCK_WRAP_ADD = 0x0006, /* Vendor-Defined = 0x0007 */ /* Reserved = 0x0008 - 0xFFFF */ CMD1394_LOCK_BIT_AND = 0x10000, CMD1394_LOCK_BIT_OR = 0x10001, CMD1394_LOCK_BIT_XOR = 0x10002, CMD1394_LOCK_INCREMENT = 0x10003, CMD1394_LOCK_DECREMENT = 0x10004, CMD1394_LOCK_ADD = 0x10005, CMD1394_LOCK_SUBTRACT = 0x10006, CMD1394_LOCK_THRESH_ADD = 0x10007, CMD1394_LOCK_THRESH_SUBTRACT = 0x10008, CMD1394_LOCK_CLIP_ADD = 0x10009, CMD1394_LOCK_CLIP_SUBTRACT = 0x1000A } cmd1394_lock_type_t; /* Asynchronous Command (Data Quadlet) */ typedef struct cmd1394_quadlet { uint32_t quadlet_data; } cmd1394_quadlet_t; /* Asynchronous Command (Data Block) */ typedef struct cmd1394_block { mblk_t *data_block; size_t blk_length; size_t bytes_transferred; uint_t max_payload; } cmd1394_block_t; /* Asynchronous Command (Lock Cmd - 32 bit) */ typedef struct cmd1394_lock32 { uint32_t old_value; uint32_t data_value; uint32_t arg_value; uint_t num_retries; cmd1394_lock_type_t lock_type; } cmd1394_lock32_t; /* Asynchronous Command (Lock Cmd - 64 bit) */ typedef struct cmd1394_lock64 { uint64_t old_value; uint64_t data_value; uint64_t arg_value; uint_t num_retries; cmd1394_lock_type_t lock_type; } cmd1394_lock64_t; /* cmd1394_cmd: cmd1394 - common command type */ typedef struct cmd1394_cmd { int cmd_version; volatile int cmd_result; cmd1394_flags_t cmd_options; cmd1394_cmd_type_t cmd_type; void (*completion_callback)(struct cmd1394_cmd *); opaque_t cmd_callback_arg; uint64_t cmd_addr; uint_t cmd_speed; uint_t bus_generation; uint_t nodeID; uint_t broadcast; union { cmd1394_quadlet_t q; cmd1394_block_t b; cmd1394_lock32_t l32; cmd1394_lock64_t l64; } cmd_u; } cmd1394_cmd_t; /* * NOTE: Make sure CMD1394_ERR_LAST is updated if a new error code is * added. t1394_errmsg.c uses *FIRST and *LAST as bounds checks. */ /* cmd1394_cmd.result - Immediate failures (with DDI_FAILURE) */ #define CMD1394_ENULL_MBLK (-10) #define CMD1394_EMBLK_TOO_SMALL (-11) #define CMD1394_ESTALE_GENERATION (-12) #define CMD1394_EDEVICE_REMOVED (-13) #define CMD1394_EINVALID_CONTEXT (-14) #define CMD1394_EINVALID_COMMAND (-15) #define CMD1394_EUNKNOWN_ERROR (-16) #define CMD1394_NOSTATUS (-17) #define CMD1394_EFATAL_ERROR (-18) #define CMD1394_ENO_ATREQ (-19) #define CMD1394_EDEVICE_ERROR (-20) /* bad tcode or ack or... */ /* cmd1394_cmd.result - Returned with completion_callback */ #define CMD1394_CMDSUCCESS (0) #define CMD1394_EDEVICE_BUSY (-30) #define CMD1394_ERETRIES_EXCEEDED (-31) #define CMD1394_ETYPE_ERROR (-32) #define CMD1394_EDATA_ERROR (-33) #define CMD1394_EBUSRESET (-34) #define CMD1394_EADDRESS_ERROR (-35) #define CMD1394_ETIMEOUT (-36) #define CMD1394_ERSRC_CONFLICT (-37) #define CMD1394_ERR_FIRST CMD1394_CMDSUCCESS #define CMD1394_ERR_LAST CMD1394_ERSRC_CONFLICT /* Warlock directives for cmd1394 */ _NOTE(SCHEME_PROTECTS_DATA("One per call", cmd1394_cmd_t)) #ifdef __cplusplus } #endif #endif /* _SYS_1394_CMD1394_H */