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scsi_spc.h revision 1.2.8.2
      1 /*	$NetBSD: scsi_spc.h,v 1.2.8.2 2005/04/29 11:29:16 kent Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2005 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * SCSI Primary Commands (SPC) --
     41  *	Commands for all device types
     42  */
     43 
     44 /*
     45  * Largely written by Julian Elischer (julian (at) tfs.com)
     46  * for TRW Financial Systems.
     47  *
     48  * TRW Financial Systems, in accordance with their agreement with Carnegie
     49  * Mellon University, makes this software available to CMU to distribute
     50  * or use in any manner that they see fit as long as this message is kept with
     51  * the software. For this reason TFS also grants any other persons or
     52  * organisations permission to use or modify this software.
     53  *
     54  * TFS supplies this software to be publicly redistributed
     55  * on the understanding that TFS is not responsible for the correct
     56  * functioning of this software in any circumstances.
     57  *
     58  * Ported to run under 386BSD by Julian Elischer (julian (at) tfs.com) Sept 1992
     59  */
     60 
     61 #ifndef _DEV_SCSIPI_SCSI_SPC_H_
     62 #define	_DEV_SCSIPI_SCSI_SPC_H_
     63 
     64 /*
     65  * EXTENDED COPY
     66  */
     67 
     68 /*
     69  * INQUIRY
     70  */
     71 
     72 /*
     73  * LOG SELECT
     74  */
     75 
     76 /*
     77  * LOG SENSE
     78  */
     79 
     80 /*
     81  * MODE SELECT
     82  */
     83 
     84 #define	SCSI_MODE_SELECT_6		0x15
     85 struct scsi_mode_select_6 {
     86 	uint8_t opcode;
     87 	uint8_t byte2;
     88 #define	SMS_SP		0x01	/* save page */
     89 #define	SMS_PF		0x10	/* page format (0 = SCSI-1, 1 = SCSI-2) */
     90 	uint8_t reserved[2];
     91 	uint8_t length;
     92 	uint8_t control;
     93 };
     94 
     95 #define	SCSI_MODE_SELECT_10		0x55
     96 struct scsi_mode_select_10 {
     97 	uint8_t opcode;
     98 	uint8_t byte2;		/* see MODE SELECT (6) */
     99 	uint8_t reserved[5];
    100 	uint8_t length[2];
    101 	uint8_t control;
    102 };
    103 
    104 /*
    105  * MODE SENSE
    106  */
    107 
    108 #define	SCSI_MODE_SENSE_6		0x1a
    109 struct scsi_mode_sense_6 {
    110 	uint8_t opcode;
    111 	uint8_t byte2;
    112 #define	SMS_DBD				0x08 /* disable block descriptors */
    113 	uint8_t page;
    114 #define	SMS_PAGE_MASK			0x3f
    115 #define	SMS_PCTRL_MASK			0xc0
    116 #define	SMS_PCTRL_CURRENT		0x00
    117 #define	SMS_PCTRL_CHANGEABLE		0x40
    118 #define	SMS_PCTRL_DEFAULT		0x80
    119 #define	SMS_PCTRL_SAVED			0xc0
    120 	uint8_t reserved;
    121 	uint8_t length;
    122 	uint8_t control;
    123 };
    124 
    125 #define	SCSI_MODE_SENSE_10		0x5a
    126 struct scsi_mode_sense_10 {
    127 	uint8_t opcode;
    128 	uint8_t byte2;			/* see MODE SENSE (6) */
    129 #define	SMS_LLBAA			0x10
    130 	uint8_t page;			/* See MODE SENSE (6) */
    131 	uint8_t reserved[4];
    132 	uint8_t length[2];
    133 	uint8_t control;
    134 };
    135 
    136 /*
    137  * Page code usage:
    138  *	0x00		Vendor-specific (does not require page format)
    139  *	0x01 - 0x1f	Device-type-specific pages
    140  *	0x20 - 0x3e	Vendor-specific (page format required)
    141  *	0x3f		Return all mode pages
    142  */
    143 #define	SMS_PAGE_ALL_PAGES		0x3f
    144 
    145 /*
    146  * Mode parameters are returned in the following format:
    147  *
    148  *	Mode parameter header
    149  *	Block descriptor(s)	[zero or more]
    150  *	Page(s)			[zero or more, variable-length]
    151  */
    152 
    153 struct scsi_mode_parameter_header_6 {
    154 	uint8_t data_length;
    155 	uint8_t medium_type;
    156 	uint8_t dev_spec;
    157 	uint8_t blk_desc_len;		/* unused on ATAPI */
    158 };
    159 
    160 struct scsi_mode_parameter_header_10 {
    161 	uint8_t data_length[2];
    162 	uint8_t medium_type;
    163 	uint8_t dev_spec;
    164 	uint8_t byte5;
    165 #define	SMPH_LONGLBA		0x01
    166 	uint8_t reserved;
    167 	uint8_t blk_desc_len[2];
    168 };
    169 
    170 struct scsi_general_block_descriptor {
    171 	uint8_t density;
    172 	uint8_t nblocks[3];
    173 	uint8_t reserved;
    174 	uint8_t blklen[3];
    175 };
    176 
    177 struct scsi_da_block_descriptor {
    178 	uint8_t nblocks[4];
    179 	uint8_t density;
    180 	uint8_t blklen[3];
    181 };
    182 
    183 struct scsi_longlba_block_descriptor {
    184 	uint8_t nblocks[8];
    185 	uint8_t density;
    186 	uint8_t reserved[3];
    187 	uint8_t blklen[4];
    188 };
    189 
    190 /*
    191  * Header common to all mode parameter pages.
    192  */
    193 struct scsi_mode_page_header {
    194 	uint8_t pg_code;
    195 #define	PGCODE_MASK	0x3f		/* page code mask */
    196 #define	PGCODE_PS	0x80		/* page is saveable */
    197 	uint8_t pg_length;		/* page length (not including header) */
    198 };
    199 
    200 /*
    201  * Control mode page
    202  */
    203 #define	SCSI_CONTROL_MODE_PAGE		0x0a
    204 struct scsi_control_mode_page {
    205 	uint8_t pg_code;		/* 0x0a */
    206 	uint8_t pg_length;		/* 0x0a */
    207 	uint8_t byte3;
    208 #define	SCMP_RLEC		0x01	/* report log exception condition */
    209 #define	SCMP_GLTSD		0x02	/* global logging target save disable */
    210 #define	SCMP_TST_mask		0x7	/* task set type */
    211 #define	SCMP_TST_shift		5
    212 #define	SCMP_TST_ALL_INIT	0	/* per LU for all initiators */
    213 #define	SCMP_TST_PER_INIT	1	/* per initiator per LU */
    214 	uint8_t queue_params;
    215 #define	SCMP_DQue		0x01	/* disable queueing */
    216 #define	SCMP_QErr_mask		0x3	/* queue error management */
    217 #define	SCMP_QErr_shift		1
    218 #define	SCMP_QAM_mask		0xf	/* queue algorithm modifier */
    219 #define	SCMP_QAM_shift		4
    220 #define	SCMP_QAM_RESTRICTED	0x0	/* restricted reordering allowed */
    221 #define	SCMP_QAM_UNRESTRICTED	0x1	/* unrestricted reordering allowed */
    222 			/*	0x2 - 0x7	Reserved */
    223 			/*	0x8 - 0xf	Vendor-specific */
    224 	uint8_t byte5;
    225 #define	SCMP_EAERP		0x01
    226 #define	SCMP_UAAERP		0x02
    227 #define	SCMP_RAERP		0x04
    228 #define	SCMP_SWP		0x08
    229 #define	SCMP_RAC		0x40
    230 #define	SCMP_TAS		0x80
    231 	uint8_t byte6;
    232 #define	SCMP_AM_mask		0x7	/* autload mode */
    233 #define	SCMP_AM_FULL		0
    234 #define	SCMP_AM_AUXMEM		1
    235 #define	SCMP_AM_NOLOAD		2
    236 	uint8_t rahp[2];		/* ready aer holdoff period */
    237 	uint8_t btp[2];			/* busy timeout period */
    238 	uint8_t estct[2];		/* extended self-test completion time */
    239 };
    240 
    241 /*
    242  * Disconnect-reconnect page
    243  */
    244 #define	SCSI_DISCONNECT_RECONNECT_PAGE	0x02
    245 struct scsi_disconnect_reconnect_page {
    246 	uint8_t pg_code;		/* 0x02 */
    247 	uint8_t pg_length;		/* 0x0e */
    248 	uint8_t buffer_full_ratio;
    249 	uint8_t buffer_empty_ratio;
    250 	uint8_t bus_inactivity_limit[2];
    251 	uint8_t disconnect_time_limit[2];
    252 	uint8_t connect_time_limit[2];
    253 	uint8_t maximum_burst_size[2];
    254 	uint8_t flags;
    255 #define	SDRP_DTDC_mask		0x7	/* data transfer disconnect control */
    256 #define	SDRP_DImm		0x08
    257 #define	SDRP_FA_mask		0x7
    258 #define	SDRP_FA_shift		4
    259 #define	SDRP_EMDP		0x80
    260 	uint8_t reserved;
    261 	uint8_t first_burst_size[2];
    262 };
    263 
    264 /*
    265  * Informational exceptions control page
    266  */
    267 #define	SCSI_INFORMATIONAL_EXCEPTIONS_CONTROL_PAGE 0x1c
    268 struct scsi_informational_exceptions_control_page {
    269 	uint8_t pg_code;		/* 0x1c */
    270 	uint8_t pg_length;		/* 0x0a */
    271 	uint8_t byte3;
    272 #define	SIECP_LogErr		0x01
    273 #define	SIECP_TEST		0x04
    274 #define	SIECP_DExcpt		0x08
    275 #define	SIECP_EWasc		0x10
    276 #define	SIECP_EBF		0x20
    277 #define	SIECP_PERF		0x80
    278 	uint8_t byte4;
    279 #define	SIECP_MRIE_mask			0xf	/* method of reporting
    280 						   informational exceptions */
    281 #define	SIECP_MRIE_NO_REPORTING		0x00
    282 #define	SIECP_MRIE_ASYNC_EVENT		0x01
    283 #define	SIECP_MRIE_UNIT_ATN		0x02
    284 #define	SIECP_MRIE_COND_RECOV_ERR	0x03
    285 #define	SIECP_MRIE_UNCOND_RECOV_ERR	0x04
    286 #define	SIECP_MRIE_NO_SENSE		0x05
    287 #define	SIECP_MRIE_ON_REQUEST		0x06
    288 				/*	0x07 - 0x0b reserved */
    289 				/*	0x0c - 0x0f Vendor-specific */
    290 	uint8_t interval_timer[2];
    291 	uint8_t report_count[2];
    292 };
    293 
    294 /*
    295  * Power condition page
    296  */
    297 #define	SCSI_POWER_CONDITION_PAGE	0x1a
    298 struct scsi_power_condition_page {
    299 	uint8_t pg_code;		/* 0x1a */
    300 	uint8_t pg_length;		/* 0x0a */
    301 	uint8_t reserved;
    302 	uint8_t byte4;
    303 #define	SPCP_STANDBY		0x01
    304 #define	SPCP_IDLE		0x02
    305 	uint8_t idle_timer[2];		/* 100ms increments */
    306 	uint8_t standby_timer[2];	/* 100ms increments */
    307 };
    308 
    309 /*
    310  * Protocol specific LUN page
    311  */
    312 #define	SCSI_PROTOCOL_SPECIFIC_LUN_PAGE	0x18
    313 struct scsi_protocol_specific_lun_page {
    314 	uint8_t pg_code;	/* 0x18 */
    315 	uint8_t pg_length;	/* variable */
    316 	uint8_t byte3;
    317 #define	SPSLP_PROTOCOL_mask	0xf
    318 #define	SPSLP_PROTOCOL_FCP	0x00	/* Fibre Channel */
    319 #define	SPSLP_PROTOCOL_SPI	0x01	/* parallel SCSI */
    320 #define	SPSLP_PROTOCOL_SSA	0x02	/* SSA-S2P or SSA-S3P */
    321 #define	SPSLP_PROTOCOL_SBP2	0x03	/* IEEE 1394 */
    322 #define	SPSLP_PROTOCOL_SRP	0x04	/* SCSI RDMA */
    323 #define	SPSLP_PROTOCOL_ISCSI	0x05	/* iSCSI */
    324 	/* protocol specific mode parameters follow */
    325 };
    326 
    327 /*
    328  * Protocol specific port page
    329  */
    330 #define	SCSI_PROTOCOL_SPECIFIC_PORT_PAGE 0x19
    331 struct scsi_protocol_specific_port_page {
    332 	uint8_t pg_code;	/* 0x18 */
    333 	uint8_t pg_length;	/* variable */
    334 	uint8_t byte3;		/* see SCSI PROTOCOL SPECIFIC LUN PAGE */
    335 	/* protocol specific mode parameters follow */
    336 };
    337 
    338 /*
    339  * PERSISTENT RESERVE IN
    340  */
    341 
    342 /*
    343  * PERSISTENT RESERVE OUT
    344  */
    345 
    346 /*
    347  * PREVENT ALLOW MEDIUM REMOVAL
    348  */
    349 
    350 #define	SCSI_PREVENT_ALLOW_MEDIUM_REMOVAL	0x1e
    351 struct scsi_prevent_allow_medium_removal {
    352 	uint8_t opcode;
    353 	uint8_t byte2;
    354 	uint8_t reserved[2];
    355 	uint8_t how;
    356 #define	SPAMR_ALLOW		0x00
    357 #define	SPAMR_PREVENT_DT	0x01
    358 #define	SPAMR_PREVENT_MC	0x02
    359 #define	SPAMR_PREVENT_ALL	0x03
    360 	uint8_t control;
    361 };
    362 
    363 /*
    364  * READ BUFFER
    365  */
    366 
    367 /*
    368  * RECEIVE COPY RESULTS
    369  */
    370 
    371 /*
    372  * RECEIVE DIAGNOSTIC RESULTS
    373  */
    374 
    375 /*
    376  * RESERVE / RELEASE
    377  */
    378 
    379 #define	SCSI_RESERVE_6			0x16
    380 #define	SCSI_RELEASE_6			0x17
    381 struct scsi_reserve_release_6 {
    382 	uint8_t opcode;
    383 	uint8_t byte2;
    384 	uint8_t obsolete;
    385 	uint8_t reserved[2];
    386 	uint8_t control;
    387 };
    388 
    389 #define	SCSI_RESERVE_10			0x56
    390 #define	SCSI_RELEASE_10			0x57
    391 struct scsi_reserve_release_10 {
    392 	uint8_t opcode;
    393 	uint8_t byte2;
    394 #define	SR_LongID		0x02
    395 #define	SR_3rdPty		0x10
    396 	uint8_t obsolete;
    397 	uint8_t thirdpartyid;
    398 	uint8_t reserved[3];
    399 	uint8_t paramlen[2];
    400 	uint8_t control;
    401 };
    402 
    403 struct scsi_reserve_release_10_idparam {
    404 	uint8_t thirdpartyid[8];
    405 };
    406 
    407 /*
    408  * REPORT DEVICE IDENTIFIER
    409  */
    410 
    411 /*
    412  * REPORT LUNS
    413  */
    414 
    415 /*
    416  * REQUEST SENSE
    417  */
    418 
    419 #define	SCSI_REQUEST_SENSE		0x03
    420 struct scsi_request_sense {
    421 	uint8_t opcode;
    422 	uint8_t byte2;
    423 	uint8_t reserved[2];
    424 	uint8_t length;
    425 	uint8_t control;
    426 };
    427 
    428 struct scsi_sense_data {
    429 /* 1*/	uint8_t response_code;
    430 #define	SSD_RCODE(x)		((x) & 0x7f)
    431 #define	SSD_RCODE_CURRENT	0x70
    432 #define	SSD_RCODE_DEFERRED	0x71
    433 #define	SSD_RCODE_VALID		0x80
    434 /* 2*/	uint8_t segment;	/* obsolete */
    435 /* 3*/	uint8_t flags;
    436 #define	SSD_SENSE_KEY(x)	((x) & 0x0f)
    437 #define	SSD_ILI			0x20
    438 #define	SSD_EOM			0x40
    439 #define	SSD_FILEMARK		0x80
    440 /* 7*/	uint8_t info[4];
    441 /* 8*/	uint8_t extra_len;
    442 /*12*/	uint8_t csi[4];
    443 /*13*/	uint8_t asc;
    444 /*14*/	uint8_t ascq;
    445 /*15*/	uint8_t fru;
    446 	union {
    447 		uint8_t sks_bytes[3];
    448 
    449 		/* ILLEGAL REQUEST */
    450 		struct {
    451 			uint8_t byte0;
    452 #define	SSD_SKS_FP_BIT(x)	((x) & 0x7)
    453 #define	SSD_SKS_FP_BPV		0x08
    454 #define	SSK_SKS_FP_CD		0x40	/* 1=command, 0=data */
    455 			uint8_t val[2];
    456 		} field_pointer;
    457 
    458 		/* RECOVERED ERROR, HARDWARE ERROR, MEDIUM ERROR */
    459 		struct {
    460 			uint8_t byte0;
    461 			uint8_t val[2];
    462 		} actual_retry_count;
    463 
    464 		/* NOT READY, NO SENSE */
    465 		struct {
    466 			uint8_t byte0;
    467 			uint8_t val[2];
    468 		} progress_indication;
    469 
    470 		/* COPY ABORTED */
    471 		struct {
    472 			uint8_t byte0;
    473 #define	SSD_SKS_SP_BIT(x)	((x) & 0x7)
    474 #define	SSD_SKS_SP_BPV		0x08
    475 #define	SSD_SKS_SP_SD		0x20	/* 0=param list, 1=segment desc */
    476 			uint8_t val[2];
    477 		} segment_pointer;
    478 /*18*/	} sks;
    479 #define	SSD_SKSV		0x80	/* byte0 of sks field */
    480 /*32*/	uint8_t extra_bytes[14];	/* really variable length */
    481 };
    482 
    483 /*
    484  * Sense bytes described by the extra_len field start at csi[], and can
    485  * only continue up to the end of the 32-byte sense structure that we
    486  * have defined (which might be too short for some cases).
    487  */
    488 #define	SSD_ADD_BYTES_LIM(sp)						\
    489 	((((int)(sp)->extra_len) < (int)sizeof(struct scsi_sense_data) - 8) ? \
    490 	 (sp)->extra_len : sizeof(struct scsi_sense_data) - 8)
    491 
    492 #define	SKEY_NO_SENSE		0x00
    493 #define	SKEY_RECOVERED_ERROR	0x01
    494 #define	SKEY_NOT_READY		0x02
    495 #define	SKEY_MEDIUM_ERROR	0x03
    496 #define	SKEY_HARDWARE_ERROR	0x04
    497 #define	SKEY_ILLEGAL_REQUEST	0x05
    498 #define	SKEY_UNIT_ATTENTION	0x06
    499 #define	SKEY_DATA_PROTECT	0x07
    500 #define	SKEY_BLANK_CHECK	0x08
    501 #define	SKEY_VENDOR_SPECIFIC	0x09
    502 #define	SKEY_COPY_ABORTED	0x0a
    503 #define	SKEY_ABORTED_COMMAND	0x0b
    504 #define	SKEY_EQUAL		0x0c	/* obsolete */
    505 #define	SKEY_VOLUME_OVERFLOW	0x0d
    506 #define	SKEY_MISCOMPARE		0x0e
    507 			/*	0x0f	reserved */
    508 
    509 /* XXX This is not described in SPC-2. */
    510 struct scsi_sense_data_unextended {
    511 	uint8_t response_code;
    512 	uint8_t block[3];
    513 };
    514 
    515 /*
    516  * SEND DIAGNOSTIC
    517  */
    518 
    519 #define	SCSI_SEND_DIAGNOSTIC		0x1d
    520 struct scsi_send_diagnostic {
    521 	uint8_t opcode;
    522 	uint8_t byte2;
    523 #define	SSD_UnitOffL		0x01
    524 #define	SSD_DevOffL		0x02
    525 #define	SSD_SelfTest		0x04	/* standard self-test */
    526 #define	SSD_PF			0x10	/* results in page format */
    527 #define	SSD_CODE(x)		((x) << 5)
    528 	/*
    529 	 * Codes:
    530 	 *
    531 	 *	0	This value shall be used when the SelfTest bit is
    532 	 *		set to one or if the SEND DIAGNOSTIC command is not
    533 	 *		invoking one of the other self-test functions such
    534 	 *		as enclosure services or the Translate Address page.
    535 	 *
    536 	 *	1	Background short self-test.  Parameter length is 0.
    537 	 *
    538 	 *	2	Background extended self-test.  Parameter length is 0.
    539 	 *
    540 	 *	4	Abort background self-test.  Parameter length is 0.
    541 	 *
    542 	 *	5	Foreground short self-test.  Parameter length is 0.
    543 	 *
    544 	 *	6	Foreground extended self-test.  Parameter length is 0.
    545 	 */
    546 	uint8_t reserved;
    547 	uint8_t paramlen[2];
    548 	uint8_t control;
    549 };
    550 
    551 /*
    552  * SET DEVICE IDENTIFIER
    553  */
    554 
    555 /*
    556  * TEST UNIT READY
    557  */
    558 
    559 #define	SCSI_TEST_UNIT_READY		0x00
    560 struct scsi_test_unit_ready {
    561 	uint8_t opcode;
    562 	uint8_t byte2;
    563 	uint8_t reserved[3];
    564 	uint8_t control;
    565 };
    566 
    567 /*
    568  * WRITE BUFFER
    569  */
    570 
    571 #endif /* _DEV_SCSIPI_SCSI_SPC_H_ */
    572