/* $NetBSD: scsipi_all.h,v 1.9 1998/07/01 17:04:31 mjacob Exp $ */ /* * SCSI and SCSI-like 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 */ /* * SCSI-like command format and opcode */ /* * Some basic, common SCSI command group definitions. */ #define CDB_GROUPID(cmd) ((cmd >> 5) & 0x7) #define CDB_GROUPID_0 0 #define CDB_GROUPID_1 1 #define CDB_GROUPID_2 2 #define CDB_GROUPID_3 3 #define CDB_GROUPID_4 4 #define CDB_GROUPID_5 5 #define CDB_GROUPID_6 6 #define CDB_GROUPID_7 7 #define CDB_GROUP0 6 /* 6-byte cdb's */ #define CDB_GROUP1 10 /* 10-byte cdb's */ #define CDB_GROUP2 10 /* 10-byte cdb's */ #define CDB_GROUP3 0 /* reserved */ #define CDB_GROUP4 16 /* 16-byte cdb's */ #define CDB_GROUP5 12 /* 12-byte cdb's */ #define CDB_GROUP6 0 /* vendor specific */ #define CDB_GROUP7 0 /* vendor specific */ /* * Some basic, common SCSI commands */ #define TEST_UNIT_READY 0x00 struct scsipi_test_unit_ready { u_int8_t opcode; u_int8_t byte2; u_int8_t unused[3]; u_int8_t control; }; #define REQUEST_SENSE 0x03 struct scsipi_sense { u_int8_t opcode; u_int8_t byte2; u_int8_t unused[2]; u_int8_t length; u_int8_t control; }; #define INQUIRY 0x12 struct scsipi_inquiry { u_int8_t opcode; u_int8_t byte2; u_int8_t unused[2]; u_int8_t length; u_int8_t control; }; #define PREVENT_ALLOW 0x1e struct scsipi_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 /* * inquiry and sense data format */ struct scsipi_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_RECOVERABLE_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 /* * Sense bytes described by the extra_len tag start at cmd_spec_info, * and can only continue up to the end of the structure we've defined * (which is too short for some cases). */ #define ADD_BYTES_LIM(sp) \ (((int)(sp)->extra_len) < (int) sizeof(struct scsipi_sense_data) - 8)? \ ((sp)->extra_len) : (sizeof (struct scsipi_sense_data) - 8) struct scsipi_sense_data_unextended { /* 1*/ u_int8_t error_code; /* 4*/ u_int8_t block[3]; }; #define T_DIRECT 0x00 /* direct access device */ #define T_SEQUENTIAL 0x01 /* sequential access device */ #define T_PRINTER 0x02 /* printer device */ #define T_PROCESSOR 0x03 /* processor device */ #define T_WORM 0x04 /* write once, read many device */ #define T_CDROM 0x05 /* cd-rom device */ #define T_SCANNER 0x06 /* scanner device */ #define T_OPTICAL 0x07 /* optical memory device */ #define T_CHANGER 0x08 /* medium changer device */ #define T_COMM 0x09 /* communication device */ #define T_IT8_1 0x0a /* ??? */ #define T_IT8_2 0x0b /* ??? */ #define T_STORARRAY 0x0c /* storage array device */ #define T_ENCLOSURE 0x0d /* enclosure services device */ #define T_NODEVICE 0x1F #define T_REMOV 1 /* device is removable */ #define T_FIXED 0 /* device is not removable */ /* * XXX * Actually I think some SCSI driver expects this structure to be 32 bytes, so * don't change it unless you really know what you are doing */ struct scsipi_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[8]; };