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scsi_proto.h
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/* * 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 VERIFY_16 0x8f #define SYNCHRONIZE_CACHE_16 0x91 #define WRITE_SAME_16 0x93 #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 VARIABLE_LENGTH_CMD service action codes * see spc4r17 Section D.3.5, table D.7 and D.8 */ #define VLC_SA_RECEIVE_CREDENTIAL 0x1800 /* 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 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_SAME_32 0x0d /* 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. */ #define SAM_STAT_GOOD 0x00 #define SAM_STAT_CHECK_CONDITION 0x02 #define SAM_STAT_CONDITION_MET 0x04 #define SAM_STAT_BUSY 0x08 #define SAM_STAT_INTERMEDIATE 0x10 #define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14 #define SAM_STAT_RESERVATION_CONFLICT 0x18 #define SAM_STAT_COMMAND_TERMINATED 0x22 /* obsolete in SAM-3 */ #define SAM_STAT_TASK_SET_FULL 0x28 #define SAM_STAT_ACA_ACTIVE 0x30 #define SAM_STAT_TASK_ABORTED 0x40 /* * Status codes. These are deprecated as they are shifted 1 bit right * from those found in the SCSI standards. This causes confusion for * applications that are ported to several OSes. Prefer SAM Status codes * above. */ #define GOOD 0x00 #define CHECK_CONDITION 0x01 #define CONDITION_GOOD 0x02 #define BUSY 0x04 #define INTERMEDIATE_GOOD 0x08 #define INTERMEDIATE_C_GOOD 0x0a #define RESERVATION_CONFLICT 0x0c #define COMMAND_TERMINATED 0x11 #define QUEUE_FULL 0x14 #define ACA_ACTIVE 0x18 #define TASK_ABORTED 0x20 #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 COPY_ABORTED 0x0a #define ABORTED_COMMAND 0x0b #define VOLUME_OVERFLOW 0x0d #define MISCOMPARE 0x0e /* * 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]; }; #endif /* _SCSI_PROTO_H_ */