/* $OpenBSD: scsi_all.h,v 1.53 2011/07/08 08:13:19 dlg Exp $ */ /* $NetBSD: scsi_all.h,v 1.10 1996/09/12 01:57:17 thorpej Exp $ */ /* * SCSI general interface description */ /* * Largely written by Julian Elischer (julian@tfs.com) * for TRW Financial Systems. * * TRW Financial Systems, in accordance with their agreement with Carnegie * Mellon University, makes this software available to CMU to distribute * or use in any manner that they see fit as long as this message is kept with * the software. For this reason TFS also grants any other persons or * organisations permission to use or modify this software. * * TFS supplies this software to be publicly redistributed * on the understanding that TFS is not responsible for the correct * functioning of this software in any circumstances. * * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 */ #ifndef _SCSI_SCSI_ALL_H #define _SCSI_SCSI_ALL_H 1 /* * SCSI command format */ /* * Define some bits that are in ALL (or a lot of) scsi commands */ #define SCSI_CTL_LINK 0x01 #define SCSI_CTL_FLAG 0x02 #define SCSI_CTL_VENDOR 0xC0 /* * Some old SCSI devices need the LUN to be set in the top 3 bits of the * second byte of the CDB. */ #define SCSI_CMD_LUN_MASK 0xe0 #define SCSI_CMD_LUN_SHIFT 5 struct scsi_generic { u_int8_t opcode; u_int8_t bytes[15]; }; struct scsi_test_unit_ready { u_int8_t opcode; u_int8_t byte2; u_int8_t unused[3]; u_int8_t control; }; struct scsi_send_diag { u_int8_t opcode; u_int8_t byte2; #define SSD_UOL 0x01 #define SSD_DOL 0x02 #define SSD_SELFTEST 0x04 #define SSD_PF 0x10 u_int8_t unused[1]; u_int8_t paramlen[2]; u_int8_t control; }; struct scsi_sense { u_int8_t opcode; u_int8_t byte2; u_int8_t unused[2]; u_int8_t length; u_int8_t control; }; struct scsi_inquiry { u_int8_t opcode; u_int8_t flags; #define SI_EVPD 0x01 u_int8_t pagecode; #define SI_PG_SUPPORTED 0x00 #define SI_PG_SERIAL 0x80 #define SI_PG_DEVID 0x83 #define SI_PG_ATA 0x89 u_int8_t length[2]; u_int8_t control; }; struct scsi_mode_sense { u_int8_t opcode; u_int8_t byte2; #define SMS_DBD 0x08 /* Disable Block Descriptors */ u_int8_t page; #define SMS_PAGE_CODE 0x3F #define SMS_PAGE_CTRL 0xC0 #define SMS_PAGE_CTRL_CURRENT 0x00 #define SMS_PAGE_CTRL_CHANGEABLE 0x40 #define SMS_PAGE_CTRL_DEFAULT 0x80 #define SMS_PAGE_CTRL_SAVED 0xC0 u_int8_t unused; u_int8_t length; u_int8_t control; }; struct scsi_mode_sense_big { u_int8_t opcode; u_int8_t byte2; /* same bits as small version */ #define SMS_LLBAA 0x10 /* plus: Long LBA Accepted */ u_int8_t page; /* same bits as small version */ u_int8_t unused[4]; u_int8_t length[2]; u_int8_t control; }; struct scsi_mode_select { u_int8_t opcode; u_int8_t byte2; #define SMS_SP 0x01 #define SMS_PF 0x10 u_int8_t unused[2]; u_int8_t length; u_int8_t control; }; struct scsi_mode_select_big { u_int8_t opcode; u_int8_t byte2; /* same bits as small version */ u_int8_t unused[5]; u_int8_t length[2]; u_int8_t control; }; struct scsi_reserve { u_int8_t opcode; u_int8_t byte2; u_int8_t unused[2]; u_int8_t length; u_int8_t control; }; struct scsi_release { u_int8_t opcode; u_int8_t byte2; u_int8_t unused[2]; u_int8_t length; u_int8_t control; }; struct scsi_prevent { u_int8_t opcode; u_int8_t byte2; u_int8_t unused[2]; u_int8_t how; u_int8_t control; }; #define PR_PREVENT 0x01 #define PR_ALLOW 0x00 struct scsi_report_luns { u_int8_t opcode; u_int8_t unused; u_int8_t selectreport; #define REPORT_NORMAL 0x00 #define REPORT_WELLKNOWN 0x01 #define REPORT_ALL 0x02 u_int8_t unused2[3]; u_int8_t length[4]; u_int8_t unused4; u_int8_t control; }; /* * Opcodes */ #define TEST_UNIT_READY 0x00 #define REQUEST_SENSE 0x03 #define INQUIRY 0x12 #define MODE_SELECT 0x15 #define RESERVE 0x16 #define RELEASE 0x17 #define MODE_SENSE 0x1a #define START_STOP 0x1b #define RECEIVE_DIAGNOSTIC 0x1c #define SEND_DIAGNOSTIC 0x1d #define PREVENT_ALLOW 0x1e #define POSITION_TO_ELEMENT 0x2b #define WRITE_BUFFER 0x3b #define READ_BUFFER 0x3c #define CHANGE_DEFINITION 0x40 #define MODE_SELECT_BIG 0x55 #define MODE_SENSE_BIG 0x5a #define REPORT_LUNS 0xa0 /* * Sort of an extra one, for SCSI_RESET. */ #define GENRETRY 1 /* * sense data format */ #define T_DIRECT 0 #define T_SEQUENTIAL 1 #define T_PRINTER 2 #define T_PROCESSOR 3 #define T_WORM 4 #define T_CDROM 5 #define T_SCANNER 6 #define T_OPTICAL 7 #define T_RDIRECT 14 #define T_NODEVICE 0x1F #define T_CHANGER 8 #define T_COMM 9 #define T_ENCLOSURE 13 #define T_REMOV 1 #define T_FIXED 0 struct scsi_inquiry_data { u_int8_t device; #define SID_TYPE 0x1F #define SID_QUAL 0xE0 #define SID_QUAL_LU_OK 0x00 #define SID_QUAL_LU_OFFLINE 0x20 #define SID_QUAL_RSVD 0x40 #define SID_QUAL_BAD_LU 0x60 u_int8_t dev_qual2; #define SID_QUAL2 0x7F #define SID_REMOVABLE 0x80 u_int8_t version; #define SID_ANSII 0x07 #define SID_ECMA 0x38 #define SID_ISO 0xC0 u_int8_t response_format; u_int8_t additional_length; #define SID_INQUIRY_HDR 5 /* Bytes up to & including additional_length */ #define SID_SCSI2_ALEN 31 /* Additional bytes of basic SCSI2 info */ u_int8_t unused[2]; u_int8_t flags; #define SID_SftRe 0x01 #define SID_CmdQue 0x02 #define SID_Linked 0x08 #define SID_Sync 0x10 #define SID_WBus16 0x20 #define SID_WBus32 0x40 #define SID_RelAdr 0x80 char vendor[8]; char product[16]; char revision[4]; u_int8_t extra[20]; u_int8_t flags2; #define SID_IUS 0x01 #define SID_QAS 0x02 #define SID_CLOCKING 0x0c /* 0 == ST only, 1 == DT only, 3 == both */ u_int8_t reserved; }; struct scsi_vpd_hdr { u_int8_t device; u_int8_t page_code; u_int8_t page_length[2]; }; struct scsi_vpd_serial { struct scsi_vpd_hdr hdr; char serial[32]; }; #define VPD_PROTO_ID_FC 0x0 /* Fibre Channel */ #define VPD_PROTO_ID_SPI 0x1 /* Parallel SCSI */ #define VPD_PROTO_ID_SSA 0x2 #define VPD_PROTO_ID_IEEE1394 0x3 #define VPD_PROTO_ID_SRP 0x4 /* SCSI RDMA Protocol */ #define VPD_PROTO_ID_ISCSI 0x5 /* Internet SCSI (iSCSI) */ #define VPD_PROTO_ID_SAS 0x6 /* Serial Attached SCSI */ #define VPD_PROTO_ID_ADT 0x7 /* Automation/Drive Interface Transport */ #define VPD_PROTO_ID_ATA 0x7 /* ATA/ATAPI */ #define VPD_PROTO_ID_NONE 0xf struct scsi_vpd_devid_hdr { u_int8_t pi_code; #define VPD_DEVID_PI(_f) (((_f) >> 4) & 0x0f) #define VPD_DEVID_CODE(_f) (((_f) >> 0) & 0x0f) #define VPD_DEVID_CODE_BINARY 0x1 #define VPD_DEVID_CODE_ASCII 0x2 #define VPD_DEVID_CODE_UTF8 0x3 u_int8_t flags; #define VPD_DEVID_PIV 0x80 #define VPD_DEVID_ASSOC(_f) ((_f) & 0x30) #define VPD_DEVID_ASSOC_LU 0x00 #define VPD_DEVID_ASSOC_PORT 0x10 #define VPD_DEVID_ASSOC_TARG 0x20 #define VPD_DEVID_TYPE(_f) ((_f) & 0x0f) #define VPD_DEVID_TYPE_VENDOR 0x0 #define VPD_DEVID_TYPE_T10 0x1 #define VPD_DEVID_TYPE_EUI64 0x2 #define VPD_DEVID_TYPE_NAA 0x3 #define VPD_DEVID_TYPE_RELATIVE 0x4 #define VPD_DEVID_TYPE_PORT 0x5 #define VPD_DEVID_TYPE_LU 0x6 #define VPD_DEVID_TYPE_MD5 0x7 #define VPD_DEVID_TYPE_NAME 0x8 u_int8_t reserved; u_int8_t len; }; struct scsi_vpd_ata { struct scsi_vpd_hdr hdr; u_int8_t _reserved1[4]; u_int8_t sat_vendor[8]; u_int8_t sat_product[16]; u_int8_t sat_revision[4]; u_int8_t device_signature[20]; u_int8_t command_code; #define VPD_ATA_COMMAND_CODE_ATA 0xec #define VPD_ATA_COMMAND_CODE_ATAPI 0xa1 u_int8_t _reserved2[3]; u_int8_t identify[512]; }; struct scsi_sense_data_unextended { /* 1*/ u_int8_t error_code; /* 4*/ u_int8_t block[3]; }; struct scsi_sense_data { /* 1*/ u_int8_t error_code; #define SSD_ERRCODE_CURRENT 0x70 #define SSD_ERRCODE_DEFERRED 0x71 #define SSD_ERRCODE 0x7F #define SSD_ERRCODE_VALID 0x80 /* 2*/ u_int8_t segment; /* 3*/ u_int8_t flags; #define SSD_KEY 0x0F #define SSD_ILI 0x20 #define SSD_EOM 0x40 #define SSD_FILEMARK 0x80 /* 7*/ u_int8_t info[4]; /* 8*/ u_int8_t extra_len; /*12*/ u_int8_t cmd_spec_info[4]; /*13*/ u_int8_t add_sense_code; /*14*/ u_int8_t add_sense_code_qual; /*15*/ u_int8_t fru; /*16*/ u_int8_t sense_key_spec_1; #define SSD_SCS_VALID 0x80 #define SSD_SCS_CDB_ERROR 0x40 #define SSD_SCS_SEGMENT_DESC 0x20 #define SSD_SCS_VALID_BIT_INDEX 0x08 #define SSD_SCS_BIT_INDEX 0x07 /*17*/ u_int8_t sense_key_spec_2; /*18*/ u_int8_t sense_key_spec_3; }; #define SKEY_NO_SENSE 0x00 #define SKEY_RECOVERED_ERROR 0x01 #define SKEY_NOT_READY 0x02 #define SKEY_MEDIUM_ERROR 0x03 #define SKEY_HARDWARE_ERROR 0x04 #define SKEY_ILLEGAL_REQUEST 0x05 #define SKEY_UNIT_ATTENTION 0x06 #define SKEY_WRITE_PROTECT 0x07 #define SKEY_BLANK_CHECK 0x08 #define SKEY_VENDOR_UNIQUE 0x09 #define SKEY_COPY_ABORTED 0x0A #define SKEY_ABORTED_COMMAND 0x0B #define SKEY_EQUAL 0x0C #define SKEY_VOLUME_OVERFLOW 0x0D #define SKEY_MISCOMPARE 0x0E #define SKEY_RESERVED 0x0F /* Additional sense code info */ #define ASC_ASCQ(ssd) ((ssd->add_sense_code << 8) | ssd->add_sense_code_qual) #define SENSE_NOT_READY_BECOMING_READY 0x0401 #define SENSE_NOT_READY_INIT_REQUIRED 0x0402 #define SENSE_NOT_READY_FORMAT 0x0404 #define SENSE_NOT_READY_REBUILD 0x0405 #define SENSE_NOT_READY_RECALC 0x0406 #define SENSE_NOT_READY_INPROGRESS 0x0407 #define SENSE_NOT_READY_LONGWRITE 0x0408 #define SENSE_NOT_READY_SELFTEST 0x0409 #define SENSE_POWER_RESET_OR_BUS 0x2900 #define SENSE_POWER_ON 0x2901 #define SENSE_BUS_RESET 0x2902 #define SENSE_BUS_DEVICE_RESET 0x2903 #define SENSE_DEVICE_INTERNAL_RESET 0x2904 #define SENSE_TSC_CHANGE_SE 0x2905 #define SENSE_TSC_CHANGE_LVD 0x2906 #define SENSE_IT_NEXUS_LOSS 0x2907 #define SENSE_BAD_MEDIUM 0x3000 #define SENSE_NR_MEDIUM_UNKNOWN_FORMAT 0x3001 #define SENSE_NR_MEDIUM_INCOMPATIBLE_FORMAT 0x3002 #define SENSE_NW_MEDIUM_UNKNOWN_FORMAT 0x3004 #define SENSE_NW_MEDIUM_INCOMPATIBLE_FORMAT 0x3005 #define SENSE_NF_MEDIUM_INCOMPATIBLE_FORMAT 0x3006 #define SENSE_NW_MEDIUM_AC_MISMATCH 0x3008 #define SENSE_NOMEDIUM 0x3A00 #define SENSE_NOMEDIUM_TCLOSED 0x3A01 #define SENSE_NOMEDIUM_TOPEN 0x3A02 #define SENSE_NOMEDIUM_LOADABLE 0x3A03 #define SENSE_NOMEDIUM_AUXMEM 0x3A04 #define SENSE_CARTRIDGE_FAULT 0x5200 #define SENSE_MEDIUM_REMOVAL_PREVENTED 0x5302 struct scsi_blk_desc { u_int8_t density; u_int8_t nblocks[3]; u_int8_t reserved; u_int8_t blklen[3]; }; struct scsi_direct_blk_desc { u_int8_t nblocks[4]; u_int8_t density; u_int8_t blklen[3]; }; struct scsi_blk_desc_big { u_int8_t nblocks[8]; u_int8_t density; u_int8_t reserved[3]; u_int8_t blklen[4]; }; struct scsi_mode_header { u_int8_t data_length; /* Sense data length */ u_int8_t medium_type; u_int8_t dev_spec; u_int8_t blk_desc_len; }; struct scsi_mode_header_big { u_int8_t data_length[2]; /* Sense data length */ u_int8_t medium_type; u_int8_t dev_spec; u_int8_t reserved; #define LONGLBA 0x01 u_int8_t reserved2; u_int8_t blk_desc_len[2]; }; /* Both disks and tapes use dev_spec to report READONLY status. */ #define SMH_DSP_WRITE_PROT 0x80 union scsi_mode_sense_buf { struct scsi_mode_header hdr; struct scsi_mode_header_big hdr_big; u_char buf[254]; /* 255 & 256 bytes breaks some devices. */ /* ahci doesn't like 255, various don't like */ /* 256 because length must fit in 8 bits. */ } __packed; /* Ensure sizeof() is 254! */ struct scsi_report_luns_data { u_int8_t length[4]; /* length of LUN inventory, in bytes */ u_int8_t reserved[4]; /* unused */ /* * LUN inventory- we only support the type zero form for now. */ #define RPL_LUNDATA_SIZE 8 /* Bytes per lun */ struct { u_int8_t lundata[RPL_LUNDATA_SIZE]; } luns[256]; /* scsi_link->luns is u_int8_t. */ }; #define RPL_LUNDATA_T0LUN 1 /* Type 0 LUN is in lundata[1] */ /* * ATA PASS-THROUGH as per SAT2 */ #define ATA_PASSTHRU_12 0xa1 #define ATA_PASSTHRU_16 0x85 #define ATA_PASSTHRU_PROTO_MASK 0x1e #define ATA_PASSTHRU_PROTO_HW_RESET 0x00 #define ATA_PASSTHRU_PROTO_SW_RESET 0x02 #define ATA_PASSTHRU_PROTO_NON_DATA 0x06 #define ATA_PASSTHRU_PROTO_PIO_DATAIN 0x08 #define ATA_PASSTHRU_PROTO_PIO_DATAOUT 0x0a #define ATA_PASSTHRU_PROTO_DMA 0x0c #define ATA_PASSTHRU_PROTO_DMA_QUEUED 0x0e #define ATA_PASSTHRU_PROTO_EXEC_DIAG 0x10 #define ATA_PASSTHRU_PROTO_NON_DATA_RST 0x12 #define ATA_PASSTHRU_PROTO_UDMA_DATAIN 0x14 #define ATA_PASSTHRU_PROTO_UDMA_DATAOUT 0x16 #define ATA_PASSTHRU_PROTO_FPDMA 0x18 #define ATA_PASSTHRU_PROTO_RESPONSE 0x1e #define ATA_PASSTHRU_T_DIR_MASK 0x08 #define ATA_PASSTHRU_T_DIR_READ 0x08 #define ATA_PASSTHRU_T_DIR_WRITE 0x00 #define ATA_PASSTHRU_T_LEN_MASK 0x03 #define ATA_PASSTHRU_T_LEN_NONE 0x00 #define ATA_PASSTHRU_T_LEN_FEATURES 0x01 #define ATA_PASSTHRU_T_LEN_SECTOR_COUNT 0x02 #define ATA_PASSTHRU_T_LEN_TPSIU 0x03 struct scsi_ata_passthru_12 { u_int8_t opcode; u_int8_t count_proto; u_int8_t flags; u_int8_t features; u_int8_t sector_count; u_int8_t lba_low; u_int8_t lba_mid; u_int8_t lba_high; u_int8_t device; u_int8_t command; u_int8_t _reserved; u_int8_t control; }; struct scsi_ata_passthru_16 { u_int8_t opcode; u_int8_t count_proto; u_int8_t flags; u_int8_t features[2]; u_int8_t sector_count[2]; u_int8_t lba_low[2]; u_int8_t lba_mid[2]; u_int8_t lba_high[2]; u_int8_t device; u_int8_t command; u_int8_t control; }; /* * SPI status information unit. See section 14.3.5 of SPI-3. */ struct scsi_status_iu_header { /* 2*/ u_int8_t reserved[2]; /* 3*/ u_int8_t flags; #define SIU_SNSVALID 0x2 #define SIU_RSPVALID 0x1 /* 4*/ u_int8_t status; /* 8*/ u_int8_t sense_length[4]; /*12*/ u_int8_t pkt_failures_length[4]; u_int8_t data[1]; /* OR */ }; #define SIU_PKTFAIL_CODE(siu) ((siu)->data[3]) #define SIU_PFC_NONE 0x00 #define SIU_PFC_CIU_FIELDS_INVALID 0x02 #define SIU_PFC_TMF_NOT_SUPPORTED 0x04 #define SIU_PFC_TMF_FAILED 0x05 #define SIU_PFC_INVALID_TYPE_CODE 0x06 #define SIU_PFC_ILLEGAL_REQUEST 0x07 #define SIU_SENSE_LENGTH(siu) (_4btol((siu)->sense_length)) #define SIU_SENSE_DATA(siu) (((siu)->flags & SIU_RSPVALID) ? \ &(siu)->data[_4btol((siu)->pkt_failures_length)] : &(siu)->data[0]) /* * Values for 'Task Management Flags' field of SPI command information unit. * See section 14.3.1 of SPI-3. */ #define SIU_TASKMGMT_NONE 0x00 #define SIU_TASKMGMT_ABORT_TASK 0x01 #define SIU_TASKMGMT_ABORT_TASK_SET 0x02 #define SIU_TASKMGMT_CLEAR_TASK_SET 0x04 #define SIU_TASKMGMT_LUN_RESET 0x08 #define SIU_TASKMGMT_TARGET_RESET 0x20 #define SIU_TASKMGMT_CLEAR_ACA 0x40 /* * Status Byte */ #define SCSI_OK 0x00 #define SCSI_CHECK 0x02 #define SCSI_COND_MET 0x04 #define SCSI_BUSY 0x08 #define SCSI_INTERM 0x10 #define SCSI_INTERM_COND_MET 0x14 #define SCSI_RESV_CONFLICT 0x18 #define SCSI_TERMINATED 0x22 #define SCSI_QUEUE_FULL 0x28 /* Old (Pre SCSI-3) name */ #define SCSI_TASKSET_FULL 0x28 /* New (SCSI-3) name */ #define SCSI_ACA_ACTIVE 0x30 #endif /* _SCSI_SCSI_ALL_H */