[linux-block.git] / include / scsi / scsi_proto.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * This header file contains public constants and structures used by
 * both the SCSI initiator and the SCSI target code.
 *
 * For documentation on the OPCODES, MESSAGES, and SENSE values,
 * please consult the SCSI standard.
 */

#ifndef _SCSI_PROTO_H_
#define _SCSI_PROTO_H_

#include <linux/types.h>

/*
 *      SCSI opcodes
 */

#define TEST_UNIT_READY       0x00
#define REZERO_UNIT           0x01
#define REQUEST_SENSE         0x03
#define FORMAT_UNIT           0x04
#define READ_BLOCK_LIMITS     0x05
#define REASSIGN_BLOCKS       0x07
#define INITIALIZE_ELEMENT_STATUS 0x07
#define READ_6                0x08
#define WRITE_6               0x0a
#define SEEK_6                0x0b
#define READ_REVERSE          0x0f
#define WRITE_FILEMARKS       0x10
#define SPACE                 0x11
#define INQUIRY               0x12
#define RECOVER_BUFFERED_DATA 0x14
#define MODE_SELECT           0x15
#define RESERVE               0x16
#define RELEASE               0x17
#define COPY                  0x18
#define ERASE                 0x19
#define MODE_SENSE            0x1a
#define START_STOP            0x1b
#define RECEIVE_DIAGNOSTIC    0x1c
#define SEND_DIAGNOSTIC       0x1d
#define ALLOW_MEDIUM_REMOVAL  0x1e

#define READ_FORMAT_CAPACITIES 0x23
#define SET_WINDOW            0x24
#define READ_CAPACITY         0x25
#define READ_10               0x28
#define WRITE_10              0x2a
#define SEEK_10               0x2b
#define POSITION_TO_ELEMENT   0x2b
#define WRITE_VERIFY          0x2e
#define VERIFY                0x2f
#define SEARCH_HIGH           0x30
#define SEARCH_EQUAL          0x31
#define SEARCH_LOW            0x32
#define SET_LIMITS            0x33
#define PRE_FETCH             0x34
#define READ_POSITION         0x34
#define SYNCHRONIZE_CACHE     0x35
#define LOCK_UNLOCK_CACHE     0x36
#define READ_DEFECT_DATA      0x37
#define MEDIUM_SCAN           0x38
#define COMPARE               0x39
#define COPY_VERIFY           0x3a
#define WRITE_BUFFER          0x3b
#define READ_BUFFER           0x3c
#define UPDATE_BLOCK          0x3d
#define READ_LONG             0x3e
#define WRITE_LONG            0x3f
#define CHANGE_DEFINITION     0x40
#define WRITE_SAME            0x41
#define UNMAP		      0x42
#define READ_TOC              0x43
#define READ_HEADER           0x44
#define GET_EVENT_STATUS_NOTIFICATION 0x4a
#define LOG_SELECT            0x4c
#define LOG_SENSE             0x4d
#define XDWRITEREAD_10        0x53
#define MODE_SELECT_10        0x55
#define RESERVE_10            0x56
#define RELEASE_10            0x57
#define MODE_SENSE_10         0x5a
#define PERSISTENT_RESERVE_IN 0x5e
#define PERSISTENT_RESERVE_OUT 0x5f
#define VARIABLE_LENGTH_CMD   0x7f
#define REPORT_LUNS           0xa0
#define SECURITY_PROTOCOL_IN  0xa2
#define MAINTENANCE_IN        0xa3
#define MAINTENANCE_OUT       0xa4
#define MOVE_MEDIUM           0xa5
#define EXCHANGE_MEDIUM       0xa6
#define READ_12               0xa8
#define SERVICE_ACTION_OUT_12 0xa9
#define WRITE_12              0xaa
#define READ_MEDIA_SERIAL_NUMBER 0xab /* Obsolete with SPC-2 */
#define SERVICE_ACTION_IN_12  0xab
#define WRITE_VERIFY_12       0xae
#define VERIFY_12	      0xaf
#define SEARCH_HIGH_12        0xb0
#define SEARCH_EQUAL_12       0xb1
#define SEARCH_LOW_12         0xb2
#define SECURITY_PROTOCOL_OUT 0xb5
#define READ_ELEMENT_STATUS   0xb8
#define SEND_VOLUME_TAG       0xb6
#define WRITE_LONG_2          0xea
#define EXTENDED_COPY         0x83
#define RECEIVE_COPY_RESULTS  0x84
#define ACCESS_CONTROL_IN     0x86
#define ACCESS_CONTROL_OUT    0x87
#define READ_16               0x88
#define COMPARE_AND_WRITE     0x89
#define WRITE_16              0x8a
#define READ_ATTRIBUTE        0x8c
#define WRITE_ATTRIBUTE	      0x8d
#define WRITE_VERIFY_16	      0x8e
#define VERIFY_16	      0x8f
#define SYNCHRONIZE_CACHE_16  0x91
#define WRITE_SAME_16	      0x93
#define ZBC_OUT		      0x94
#define ZBC_IN		      0x95
#define SERVICE_ACTION_BIDIRECTIONAL 0x9d
#define SERVICE_ACTION_IN_16  0x9e
#define SERVICE_ACTION_OUT_16 0x9f
/* values for service action in */
#define	SAI_READ_CAPACITY_16  0x10
#define SAI_GET_LBA_STATUS    0x12
#define SAI_REPORT_REFERRALS  0x13
/* values for maintenance in */
#define MI_REPORT_IDENTIFYING_INFORMATION 0x05
#define MI_REPORT_TARGET_PGS  0x0a
#define MI_REPORT_ALIASES     0x0b
#define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c
#define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d
#define MI_REPORT_PRIORITY    0x0e
#define MI_REPORT_TIMESTAMP   0x0f
#define MI_MANAGEMENT_PROTOCOL_IN 0x10
/* value for MI_REPORT_TARGET_PGS ext header */
#define MI_EXT_HDR_PARAM_FMT  0x20
/* values for maintenance out */
#define MO_SET_IDENTIFYING_INFORMATION 0x06
#define MO_SET_TARGET_PGS     0x0a
#define MO_CHANGE_ALIASES     0x0b
#define MO_SET_PRIORITY       0x0e
#define MO_SET_TIMESTAMP      0x0f
#define MO_MANAGEMENT_PROTOCOL_OUT 0x10
/* values for ZBC_IN */
#define ZI_REPORT_ZONES	      0x00
/* values for ZBC_OUT */
#define ZO_CLOSE_ZONE	      0x01
#define ZO_FINISH_ZONE	      0x02
#define ZO_OPEN_ZONE	      0x03
#define ZO_RESET_WRITE_POINTER 0x04
/* values for variable length command */
#define XDREAD_32	      0x03
#define XDWRITE_32	      0x04
#define XPWRITE_32	      0x06
#define XDWRITEREAD_32	      0x07
#define READ_32		      0x09
#define VERIFY_32	      0x0a
#define WRITE_32	      0x0b
#define WRITE_VERIFY_32	      0x0c
#define WRITE_SAME_32	      0x0d
#define ATA_32		      0x1ff0

/* Values for T10/04-262r7 */
#define	ATA_16		      0x85	/* 16-byte pass-thru */
#define	ATA_12		      0xa1	/* 12-byte pass-thru */

/* Vendor specific CDBs start here */
#define VENDOR_SPECIFIC_CDB 0xc0

/*
 *	SCSI command lengths
 */

#define SCSI_MAX_VARLEN_CDB_SIZE 260

/* defined in T10 SCSI Primary Commands-2 (SPC2) */
struct scsi_varlen_cdb_hdr {
	__u8 opcode;        /* opcode always == VARIABLE_LENGTH_CMD */
	__u8 control;
	__u8 misc[5];
	__u8 additional_cdb_length;         /* total cdb length - 8 */
	__be16 service_action;
	/* service specific data follows */
};

/*
 *  SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft
 *  T10/1561-D Revision 4 Draft dated 7th November 2002.
 */
enum sam_status {
	SAM_STAT_GOOD				= 0x00,
	SAM_STAT_CHECK_CONDITION		= 0x02,
	SAM_STAT_CONDITION_MET			= 0x04,
	SAM_STAT_BUSY				= 0x08,
	SAM_STAT_INTERMEDIATE			= 0x10,
	SAM_STAT_INTERMEDIATE_CONDITION_MET	= 0x14,
	SAM_STAT_RESERVATION_CONFLICT		= 0x18,
	SAM_STAT_COMMAND_TERMINATED		= 0x22,	/* obsolete in SAM-3 */
	SAM_STAT_TASK_SET_FULL			= 0x28,
	SAM_STAT_ACA_ACTIVE			= 0x30,
	SAM_STAT_TASK_ABORTED			= 0x40,
};

#define STATUS_MASK         0xfe

/*
 *  SENSE KEYS
 */
#define NO_SENSE            0x00
#define RECOVERED_ERROR     0x01
#define NOT_READY           0x02
#define MEDIUM_ERROR        0x03
#define HARDWARE_ERROR      0x04
#define ILLEGAL_REQUEST     0x05
#define UNIT_ATTENTION      0x06
#define DATA_PROTECT        0x07
#define BLANK_CHECK         0x08
#define VENDOR_SPECIFIC     0x09
#define COPY_ABORTED        0x0a
#define ABORTED_COMMAND     0x0b
#define VOLUME_OVERFLOW     0x0d
#define MISCOMPARE          0x0e
#define COMPLETED	    0x0f

/*
 *  DEVICE TYPES
 *  Please keep them in 0x%02x format for $MODALIAS to work
 */

#define TYPE_DISK           0x00
#define TYPE_TAPE           0x01
#define TYPE_PRINTER        0x02
#define TYPE_PROCESSOR      0x03    /* HP scanners use this */
#define TYPE_WORM           0x04    /* Treated as ROM by our system */
#define TYPE_ROM            0x05
#define TYPE_SCANNER        0x06
#define TYPE_MOD            0x07    /* Magneto-optical disk -
				     * - treated as TYPE_DISK */
#define TYPE_MEDIUM_CHANGER 0x08
#define TYPE_COMM           0x09    /* Communications device */
#define TYPE_RAID           0x0c
#define TYPE_ENCLOSURE      0x0d    /* Enclosure Services Device */
#define TYPE_RBC	    0x0e
#define TYPE_OSD            0x11
#define TYPE_ZBC            0x14
#define TYPE_WLUN           0x1e    /* well-known logical unit */
#define TYPE_NO_LUN         0x7f

/* SCSI protocols; these are taken from SPC-3 section 7.5 */
enum scsi_protocol {
	SCSI_PROTOCOL_FCP = 0,	/* Fibre Channel */
	SCSI_PROTOCOL_SPI = 1,	/* parallel SCSI */
	SCSI_PROTOCOL_SSA = 2,	/* Serial Storage Architecture - Obsolete */
	SCSI_PROTOCOL_SBP = 3,	/* firewire */
	SCSI_PROTOCOL_SRP = 4,	/* Infiniband RDMA */
	SCSI_PROTOCOL_ISCSI = 5,
	SCSI_PROTOCOL_SAS = 6,
	SCSI_PROTOCOL_ADT = 7,	/* Media Changers */
	SCSI_PROTOCOL_ATA = 8,
	SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */
};

/*
 * ScsiLun: 8 byte LUN.
 */
struct scsi_lun {
	__u8 scsi_lun[8];
};

/* SPC asymmetric access states */
#define SCSI_ACCESS_STATE_OPTIMAL     0x00
#define SCSI_ACCESS_STATE_ACTIVE      0x01
#define SCSI_ACCESS_STATE_STANDBY     0x02
#define SCSI_ACCESS_STATE_UNAVAILABLE 0x03
#define SCSI_ACCESS_STATE_LBA         0x04
#define SCSI_ACCESS_STATE_OFFLINE     0x0e
#define SCSI_ACCESS_STATE_TRANSITIONING 0x0f

/* Values for REPORT TARGET GROUP STATES */
#define SCSI_ACCESS_STATE_MASK        0x0f
#define SCSI_ACCESS_STATE_PREFERRED   0x80

/* Reporting options for REPORT ZONES */
enum zbc_zone_reporting_options {
	ZBC_ZONE_REPORTING_OPTION_ALL		= 0x00,
	ZBC_ZONE_REPORTING_OPTION_EMPTY		= 0x01,
	ZBC_ZONE_REPORTING_OPTION_IMPLICIT_OPEN	= 0x02,
	ZBC_ZONE_REPORTING_OPTION_EXPLICIT_OPEN	= 0x03,
	ZBC_ZONE_REPORTING_OPTION_CLOSED	= 0x04,
	ZBC_ZONE_REPORTING_OPTION_FULL		= 0x05,
	ZBC_ZONE_REPORTING_OPTION_READONLY	= 0x06,
	ZBC_ZONE_REPORTING_OPTION_OFFLINE	= 0x07,
	/* 0x08 to 0x0f are reserved */
	ZBC_ZONE_REPORTING_OPTION_NEED_RESET_WP	= 0x10,
	ZBC_ZONE_REPORTING_OPTION_NON_SEQWRITE	= 0x11,
	/* 0x12 to 0x3e are reserved */
	ZBC_ZONE_REPORTING_OPTION_NON_WP	= 0x3f,
};

#define ZBC_REPORT_ZONE_PARTIAL 0x80

/* Zone types of REPORT ZONES zone descriptors */
enum zbc_zone_type {
	ZBC_ZONE_TYPE_CONV		= 0x1,
	ZBC_ZONE_TYPE_SEQWRITE_REQ	= 0x2,
	ZBC_ZONE_TYPE_SEQWRITE_PREF	= 0x3,
	ZBC_ZONE_TYPE_SEQ_OR_BEFORE_REQ	= 0x4,
	ZBC_ZONE_TYPE_GAP		= 0x5,
	/* 0x6 to 0xf are reserved */
};

/* Zone conditions of REPORT ZONES zone descriptors */
enum zbc_zone_cond {
	ZBC_ZONE_COND_NO_WP		= 0x0,
	ZBC_ZONE_COND_EMPTY		= 0x1,
	ZBC_ZONE_COND_IMP_OPEN		= 0x2,
	ZBC_ZONE_COND_EXP_OPEN		= 0x3,
	ZBC_ZONE_COND_CLOSED		= 0x4,
	/* 0x5 to 0xc are reserved */
	ZBC_ZONE_COND_READONLY		= 0xd,
	ZBC_ZONE_COND_FULL		= 0xe,
	ZBC_ZONE_COND_OFFLINE		= 0xf,
};

enum zbc_zone_alignment_method {
	ZBC_CONSTANT_ZONE_LENGTH	= 0x1,
	ZBC_CONSTANT_ZONE_START_OFFSET	= 0x8,
};

/* Version descriptor values for INQUIRY */
enum scsi_version_descriptor {
	SCSI_VERSION_DESCRIPTOR_FCP4	= 0x0a40,
	SCSI_VERSION_DESCRIPTOR_ISCSI	= 0x0960,
	SCSI_VERSION_DESCRIPTOR_SAM5	= 0x00a0,
	SCSI_VERSION_DESCRIPTOR_SAS3	= 0x0c60,
	SCSI_VERSION_DESCRIPTOR_SBC3	= 0x04c0,
	SCSI_VERSION_DESCRIPTOR_SBP3	= 0x0980,
	SCSI_VERSION_DESCRIPTOR_SPC4	= 0x0460,
	SCSI_VERSION_DESCRIPTOR_SRP	= 0x0940
};

enum scsi_support_opcode {
	SCSI_SUPPORT_NO_INFO		= 0,
	SCSI_SUPPORT_NOT_SUPPORTED	= 1,
	SCSI_SUPPORT_FULL		= 3,
	SCSI_SUPPORT_VENDOR		= 5,
};

#define SCSI_CONTROL_MASK 0
#define SCSI_GROUP_NUMBER_MASK 0

#endif /* _SCSI_PROTO_H_ */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
c5f1ac8b BVA	2	/*
	3	* This header file contains public constants and structures used by
	4	* both the SCSI initiator and the SCSI target code.
	5	*
	6	* For documentation on the OPCODES, MESSAGES, and SENSE values,
	7	* please consult the SCSI standard.
	8	*/
	9
	10	#ifndef _SCSI_PROTO_H_
	11	#define _SCSI_PROTO_H_
	12
	13	#include <linux/types.h>
	14
	15	/*
	16	* SCSI opcodes
	17	*/
	18
	19	#define TEST_UNIT_READY 0x00
	20	#define REZERO_UNIT 0x01
	21	#define REQUEST_SENSE 0x03
	22	#define FORMAT_UNIT 0x04
	23	#define READ_BLOCK_LIMITS 0x05
	24	#define REASSIGN_BLOCKS 0x07
	25	#define INITIALIZE_ELEMENT_STATUS 0x07
	26	#define READ_6 0x08
	27	#define WRITE_6 0x0a
	28	#define SEEK_6 0x0b
	29	#define READ_REVERSE 0x0f
	30	#define WRITE_FILEMARKS 0x10
	31	#define SPACE 0x11
	32	#define INQUIRY 0x12
	33	#define RECOVER_BUFFERED_DATA 0x14
	34	#define MODE_SELECT 0x15
	35	#define RESERVE 0x16
	36	#define RELEASE 0x17
	37	#define COPY 0x18
	38	#define ERASE 0x19
	39	#define MODE_SENSE 0x1a
	40	#define START_STOP 0x1b
	41	#define RECEIVE_DIAGNOSTIC 0x1c
	42	#define SEND_DIAGNOSTIC 0x1d
	43	#define ALLOW_MEDIUM_REMOVAL 0x1e
	44
	45	#define READ_FORMAT_CAPACITIES 0x23
	46	#define SET_WINDOW 0x24
	47	#define READ_CAPACITY 0x25
	48	#define READ_10 0x28
	49	#define WRITE_10 0x2a
	50	#define SEEK_10 0x2b
	51	#define POSITION_TO_ELEMENT 0x2b
	52	#define WRITE_VERIFY 0x2e
	53	#define VERIFY 0x2f
	54	#define SEARCH_HIGH 0x30
	55	#define SEARCH_EQUAL 0x31
	56	#define SEARCH_LOW 0x32
	57	#define SET_LIMITS 0x33
	58	#define PRE_FETCH 0x34
	59	#define READ_POSITION 0x34
	60	#define SYNCHRONIZE_CACHE 0x35
	61	#define LOCK_UNLOCK_CACHE 0x36
	62	#define READ_DEFECT_DATA 0x37
	63	#define MEDIUM_SCAN 0x38
	64	#define COMPARE 0x39
	65	#define COPY_VERIFY 0x3a
66	#define WRITE_BUFFER 0x3b
67	#define READ_BUFFER 0x3c
68	#define UPDATE_BLOCK 0x3d
69	#define READ_LONG 0x3e
70	#define WRITE_LONG 0x3f
71	#define CHANGE_DEFINITION 0x40
72	#define WRITE_SAME 0x41
73	#define UNMAP 0x42
74	#define READ_TOC 0x43
75	#define READ_HEADER 0x44
76	#define GET_EVENT_STATUS_NOTIFICATION 0x4a
77	#define LOG_SELECT 0x4c
78	#define LOG_SENSE 0x4d
79	#define XDWRITEREAD_10 0x53
80	#define MODE_SELECT_10 0x55
81	#define RESERVE_10 0x56
82	#define RELEASE_10 0x57
83	#define MODE_SENSE_10 0x5a
84	#define PERSISTENT_RESERVE_IN 0x5e
85	#define PERSISTENT_RESERVE_OUT 0x5f
86	#define VARIABLE_LENGTH_CMD 0x7f
87	#define REPORT_LUNS 0xa0
88	#define SECURITY_PROTOCOL_IN 0xa2
89	#define MAINTENANCE_IN 0xa3
90	#define MAINTENANCE_OUT 0xa4
91	#define MOVE_MEDIUM 0xa5
92	#define EXCHANGE_MEDIUM 0xa6
93	#define READ_12 0xa8
94	#define SERVICE_ACTION_OUT_12 0xa9
95	#define WRITE_12 0xaa
96	#define READ_MEDIA_SERIAL_NUMBER 0xab /* Obsolete with SPC-2 */
97	#define SERVICE_ACTION_IN_12 0xab
98	#define WRITE_VERIFY_12 0xae
99	#define VERIFY_12 0xaf
100	#define SEARCH_HIGH_12 0xb0
101	#define SEARCH_EQUAL_12 0xb1
102	#define SEARCH_LOW_12 0xb2
103	#define SECURITY_PROTOCOL_OUT 0xb5
104	#define READ_ELEMENT_STATUS 0xb8
105	#define SEND_VOLUME_TAG 0xb6
106	#define WRITE_LONG_2 0xea
107	#define EXTENDED_COPY 0x83
108	#define RECEIVE_COPY_RESULTS 0x84
109	#define ACCESS_CONTROL_IN 0x86
110	#define ACCESS_CONTROL_OUT 0x87
111	#define READ_16 0x88
112	#define COMPARE_AND_WRITE 0x89
113	#define WRITE_16 0x8a
114	#define READ_ATTRIBUTE 0x8c
115	#define WRITE_ATTRIBUTE 0x8d
c2d26f18	116	#define WRITE_VERIFY_16 0x8e
c5f1ac8b BVA	117	#define VERIFY_16 0x8f
	118	#define SYNCHRONIZE_CACHE_16 0x91
	119	#define WRITE_SAME_16 0x93
0008f1e7 HR	120	#define ZBC_OUT 0x94
0008f1e7 HR	121	#define ZBC_IN 0x95
c5f1ac8b BVA	122	#define SERVICE_ACTION_BIDIRECTIONAL 0x9d
	123	#define SERVICE_ACTION_IN_16 0x9e
	124	#define SERVICE_ACTION_OUT_16 0x9f
	125	/* values for service action in */
	126	#define SAI_READ_CAPACITY_16 0x10
	127	#define SAI_GET_LBA_STATUS 0x12
	128	#define SAI_REPORT_REFERRALS 0x13
c5f1ac8b BVA	129	/* values for maintenance in */
	130	#define MI_REPORT_IDENTIFYING_INFORMATION 0x05
	131	#define MI_REPORT_TARGET_PGS 0x0a
	132	#define MI_REPORT_ALIASES 0x0b
	133	#define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c
	134	#define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d
	135	#define MI_REPORT_PRIORITY 0x0e
	136	#define MI_REPORT_TIMESTAMP 0x0f
	137	#define MI_MANAGEMENT_PROTOCOL_IN 0x10
	138	/* value for MI_REPORT_TARGET_PGS ext header */
	139	#define MI_EXT_HDR_PARAM_FMT 0x20
	140	/* values for maintenance out */
	141	#define MO_SET_IDENTIFYING_INFORMATION 0x06
	142	#define MO_SET_TARGET_PGS 0x0a
	143	#define MO_CHANGE_ALIASES 0x0b
	144	#define MO_SET_PRIORITY 0x0e
	145	#define MO_SET_TIMESTAMP 0x0f
	146	#define MO_MANAGEMENT_PROTOCOL_OUT 0x10
0008f1e7 HR	147	/* values for ZBC_IN */
	148	#define ZI_REPORT_ZONES 0x00
	149	/* values for ZBC_OUT */
	150	#define ZO_CLOSE_ZONE 0x01
	151	#define ZO_FINISH_ZONE 0x02
	152	#define ZO_OPEN_ZONE 0x03
	153	#define ZO_RESET_WRITE_POINTER 0x04
c5f1ac8b BVA	154	/* values for variable length command */
	155	#define XDREAD_32 0x03
	156	#define XDWRITE_32 0x04
	157	#define XPWRITE_32 0x06
	158	#define XDWRITEREAD_32 0x07
	159	#define READ_32 0x09
	160	#define VERIFY_32 0x0a
	161	#define WRITE_32 0x0b
e5dc9a70	162	#define WRITE_VERIFY_32 0x0c
c5f1ac8b	163	#define WRITE_SAME_32 0x0d
b1ffbf85	164	#define ATA_32 0x1ff0
c5f1ac8b BVA	165
	166	/* Values for T10/04-262r7 */
	167	#define ATA_16 0x85 /* 16-byte pass-thru */
	168	#define ATA_12 0xa1 /* 12-byte pass-thru */
	169
	170	/* Vendor specific CDBs start here */
	171	#define VENDOR_SPECIFIC_CDB 0xc0
	172
	173	/*
	174	* SCSI command lengths
	175	*/
	176
	177	#define SCSI_MAX_VARLEN_CDB_SIZE 260
	178
	179	/* defined in T10 SCSI Primary Commands-2 (SPC2) */
	180	struct scsi_varlen_cdb_hdr {
	181	__u8 opcode; /* opcode always == VARIABLE_LENGTH_CMD */
	182	__u8 control;
	183	__u8 misc[5];
	184	__u8 additional_cdb_length; /* total cdb length - 8 */
	185	__be16 service_action;
	186	/* service specific data follows */
	187	};
	188
	189	/*
	190	* SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft
	191	* T10/1561-D Revision 4 Draft dated 7th November 2002.
	192	*/
149d0e48 BVA	193	enum sam_status {
	194	SAM_STAT_GOOD = 0x00,
	195	SAM_STAT_CHECK_CONDITION = 0x02,
	196	SAM_STAT_CONDITION_MET = 0x04,
	197	SAM_STAT_BUSY = 0x08,
	198	SAM_STAT_INTERMEDIATE = 0x10,
	199	SAM_STAT_INTERMEDIATE_CONDITION_MET = 0x14,
	200	SAM_STAT_RESERVATION_CONFLICT = 0x18,
	201	SAM_STAT_COMMAND_TERMINATED = 0x22, /* obsolete in SAM-3 */
	202	SAM_STAT_TASK_SET_FULL = 0x28,
	203	SAM_STAT_ACA_ACTIVE = 0x30,
	204	SAM_STAT_TASK_ABORTED = 0x40,
	205	};
c5f1ac8b	206
3d45cefc	207	#define STATUS_MASK 0xfe
d9504c65	208
c5f1ac8b BVA	209	/*
	210	* SENSE KEYS
	211	*/
c5f1ac8b BVA	212	#define NO_SENSE 0x00
	213	#define RECOVERED_ERROR 0x01
	214	#define NOT_READY 0x02
	215	#define MEDIUM_ERROR 0x03
	216	#define HARDWARE_ERROR 0x04
	217	#define ILLEGAL_REQUEST 0x05
	218	#define UNIT_ATTENTION 0x06
	219	#define DATA_PROTECT 0x07
	220	#define BLANK_CHECK 0x08
9c661a49	221	#define VENDOR_SPECIFIC 0x09
c5f1ac8b BVA	222	#define COPY_ABORTED 0x0a
	223	#define ABORTED_COMMAND 0x0b
	224	#define VOLUME_OVERFLOW 0x0d
	225	#define MISCOMPARE 0x0e
d9504c65	226	#define COMPLETED 0x0f
c5f1ac8b BVA	227
	228	/*
	229	* DEVICE TYPES
	230	* Please keep them in 0x%02x format for $MODALIAS to work
	231	*/
	232
	233	#define TYPE_DISK 0x00
	234	#define TYPE_TAPE 0x01
	235	#define TYPE_PRINTER 0x02
	236	#define TYPE_PROCESSOR 0x03 /* HP scanners use this */
	237	#define TYPE_WORM 0x04 /* Treated as ROM by our system */
	238	#define TYPE_ROM 0x05
	239	#define TYPE_SCANNER 0x06
	240	#define TYPE_MOD 0x07 /* Magneto-optical disk -
	241	* - treated as TYPE_DISK */
	242	#define TYPE_MEDIUM_CHANGER 0x08
	243	#define TYPE_COMM 0x09 /* Communications device */
	244	#define TYPE_RAID 0x0c
	245	#define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */
	246	#define TYPE_RBC 0x0e
	247	#define TYPE_OSD 0x11
	248	#define TYPE_ZBC 0x14
	249	#define TYPE_WLUN 0x1e /* well-known logical unit */
	250	#define TYPE_NO_LUN 0x7f
	251
	252	/* SCSI protocols; these are taken from SPC-3 section 7.5 */
	253	enum scsi_protocol {
	254	SCSI_PROTOCOL_FCP = 0, /* Fibre Channel */
	255	SCSI_PROTOCOL_SPI = 1, /* parallel SCSI */
	256	SCSI_PROTOCOL_SSA = 2, /* Serial Storage Architecture - Obsolete */
	257	SCSI_PROTOCOL_SBP = 3, /* firewire */
	258	SCSI_PROTOCOL_SRP = 4, /* Infiniband RDMA */
	259	SCSI_PROTOCOL_ISCSI = 5,
	260	SCSI_PROTOCOL_SAS = 6,
	261	SCSI_PROTOCOL_ADT = 7, /* Media Changers */
	262	SCSI_PROTOCOL_ATA = 8,
	263	SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */
	264	};
	265
	266	/*
	267	* ScsiLun: 8 byte LUN.
	268	*/
	269	struct scsi_lun {
	270	__u8 scsi_lun[8];
	271	};
	272
77c9df96 HR	273	/* SPC asymmetric access states */
	274	#define SCSI_ACCESS_STATE_OPTIMAL 0x00
	275	#define SCSI_ACCESS_STATE_ACTIVE 0x01
	276	#define SCSI_ACCESS_STATE_STANDBY 0x02
	277	#define SCSI_ACCESS_STATE_UNAVAILABLE 0x03
	278	#define SCSI_ACCESS_STATE_LBA 0x04
	279	#define SCSI_ACCESS_STATE_OFFLINE 0x0e
	280	#define SCSI_ACCESS_STATE_TRANSITIONING 0x0f
	281
	282	/* Values for REPORT TARGET GROUP STATES */
	283	#define SCSI_ACCESS_STATE_MASK 0x0f
	284	#define SCSI_ACCESS_STATE_PREFERRED 0x80
c5f1ac8b	285
89d94756 HR	286	/* Reporting options for REPORT ZONES */
89d94756 HR	287	enum zbc_zone_reporting_options {
aa8a8456 DLM	288	ZBC_ZONE_REPORTING_OPTION_ALL = 0x00,
	289	ZBC_ZONE_REPORTING_OPTION_EMPTY = 0x01,
	290	ZBC_ZONE_REPORTING_OPTION_IMPLICIT_OPEN = 0x02,
	291	ZBC_ZONE_REPORTING_OPTION_EXPLICIT_OPEN = 0x03,
	292	ZBC_ZONE_REPORTING_OPTION_CLOSED = 0x04,
	293	ZBC_ZONE_REPORTING_OPTION_FULL = 0x05,
	294	ZBC_ZONE_REPORTING_OPTION_READONLY = 0x06,
	295	ZBC_ZONE_REPORTING_OPTION_OFFLINE = 0x07,
	296	/* 0x08 to 0x0f are reserved */
	297	ZBC_ZONE_REPORTING_OPTION_NEED_RESET_WP = 0x10,
	298	ZBC_ZONE_REPORTING_OPTION_NON_SEQWRITE = 0x11,
	299	/* 0x12 to 0x3e are reserved */
	300	ZBC_ZONE_REPORTING_OPTION_NON_WP = 0x3f,
89d94756 HR	301	};
	302
	303	#define ZBC_REPORT_ZONE_PARTIAL 0x80
	304
aa8a8456 DLM	305	/* Zone types of REPORT ZONES zone descriptors */
	306	enum zbc_zone_type {
	307	ZBC_ZONE_TYPE_CONV = 0x1,
	308	ZBC_ZONE_TYPE_SEQWRITE_REQ = 0x2,
	309	ZBC_ZONE_TYPE_SEQWRITE_PREF = 0x3,
c976e588 DLM	310	ZBC_ZONE_TYPE_SEQ_OR_BEFORE_REQ = 0x4,
	311	ZBC_ZONE_TYPE_GAP = 0x5,
	312	/* 0x6 to 0xf are reserved */
aa8a8456 DLM	313	};
	314
	315	/* Zone conditions of REPORT ZONES zone descriptors */
	316	enum zbc_zone_cond {
	317	ZBC_ZONE_COND_NO_WP = 0x0,
	318	ZBC_ZONE_COND_EMPTY = 0x1,
	319	ZBC_ZONE_COND_IMP_OPEN = 0x2,
	320	ZBC_ZONE_COND_EXP_OPEN = 0x3,
	321	ZBC_ZONE_COND_CLOSED = 0x4,
	322	/* 0x5 to 0xc are reserved */
	323	ZBC_ZONE_COND_READONLY = 0xd,
	324	ZBC_ZONE_COND_FULL = 0xe,
	325	ZBC_ZONE_COND_OFFLINE = 0xf,
	326	};
	327
c976e588 DLM	328	enum zbc_zone_alignment_method {
	329	ZBC_CONSTANT_ZONE_LENGTH = 0x1,
	330	ZBC_CONSTANT_ZONE_START_OFFSET = 0x8,
	331	};
	332
b790a56d KS	333	/* Version descriptor values for INQUIRY */
	334	enum scsi_version_descriptor {
	335	SCSI_VERSION_DESCRIPTOR_FCP4 = 0x0a40,
	336	SCSI_VERSION_DESCRIPTOR_ISCSI = 0x0960,
	337	SCSI_VERSION_DESCRIPTOR_SAM5 = 0x00a0,
	338	SCSI_VERSION_DESCRIPTOR_SAS3 = 0x0c60,
	339	SCSI_VERSION_DESCRIPTOR_SBC3 = 0x04c0,
	340	SCSI_VERSION_DESCRIPTOR_SBP3 = 0x0980,
	341	SCSI_VERSION_DESCRIPTOR_SPC4 = 0x0460,
	342	SCSI_VERSION_DESCRIPTOR_SRP = 0x0940
	343	};
	344
b9b8782f DB	345	enum scsi_support_opcode {
	346	SCSI_SUPPORT_NO_INFO = 0,
	347	SCSI_SUPPORT_NOT_SUPPORTED = 1,
	348	SCSI_SUPPORT_FULL = 3,
	349	SCSI_SUPPORT_VENDOR = 5,
	350	};
	351
0016e820 DB	352	#define SCSI_CONTROL_MASK 0
	353	#define SCSI_GROUP_NUMBER_MASK 0
	354
c5f1ac8b	355	#endif /* _SCSI_PROTO_H_ */