File: [local] / sys / scsi / scsi_all.h (download)
Revision 1.1, Tue Mar 4 16:16:06 2008 UTC (16 years, 1 month ago) by nbrk
Branch point for: MAIN
Initial revision
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/* $OpenBSD: scsi_all.h,v 1.43 2007/04/12 16:33:27 weingart 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_SERIAL 0x80
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_inquiry_vpd {
u_int8_t device;
u_int8_t page_code;
u_int8_t reserved;
u_int8_t page_length;
char serial[32];
};
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;
/*32*/ u_int8_t extra_bytes[14];
};
#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];
};
union scsi_mode_sense_buf {
struct scsi_mode_header hdr;
struct scsi_mode_header_big hdr_big;
u_char buf[255]; /* 256 bytes breaks some devices. */
} __packed; /* Ensure sizeof() is 255! */
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] */
/*
* 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]; /* <pkt failure list><sense data> OR <sense_data> */
};
#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 */
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