/* $OpenBSD: scsi_all.h,v 1.12 2001/11/11 21:38:17 krw 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[11]; }; 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 byte2; u_int8_t unused[2]; u_int8_t length; u_int8_t control; }; struct scsi_mode_sense { u_int8_t opcode; u_int8_t byte2; #define SMS_DBD 0x08 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 */ 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_changedef { u_int8_t opcode; u_int8_t byte2; u_int8_t unused1; u_int8_t how; u_int8_t unused[4]; u_int8_t datalen; u_int8_t control; }; #define SC_SCSI_1 0x01 #define SC_SCSI_2 0x03 /* * Opcodes */ #define TEST_UNIT_READY 0x00 #define REQUEST_SENSE 0x03 #define INQUIRY 0x12 #define MODE_SELECT 0x15 #define MODE_SENSE 0x1a #define START_STOP 0x1b #define RESERVE 0x16 #define RELEASE 0x17 #define PREVENT_ALLOW 0x1e #define POSITION_TO_ELEMENT 0x2b #define CHANGE_DEFINITION 0x40 #define MODE_SENSE_BIG 0x54 #define MODE_SELECT_BIG 0x55 /* * 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_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; 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_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 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 /*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 struct scsi_blk_desc { u_int8_t density; u_int8_t nblocks[3]; u_int8_t reserved; u_int8_t blklen[3]; }; 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 unused[2]; u_int8_t blk_desc_len[2]; }; /* * 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 */