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Diffstat (limited to 'include/scsi/scsi_proto.h')
| -rw-r--r-- | include/scsi/scsi_proto.h | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/include/scsi/scsi_proto.h b/include/scsi/scsi_proto.h new file mode 100644 index 000000000000..a9fbf1b38e71 --- /dev/null +++ b/include/scsi/scsi_proto.h @@ -0,0 +1,281 @@ +/* + * 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_ */ |