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Diffstat (limited to 'scsi/scsi.h')
| -rw-r--r-- | scsi/scsi.h | 599 |
1 files changed, 0 insertions, 599 deletions
diff --git a/scsi/scsi.h b/scsi/scsi.h deleted file mode 100644 index 9aa0bee0..00000000 --- a/scsi/scsi.h +++ /dev/null @@ -1,599 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1991,1990 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ -/* - * File: scsi.h - * Author: Alessandro Forin, Carnegie Mellon University - * Date: 9/90 - * - * Definitions of the SCSI-1 Standard - */ - -#ifndef _SCSI_SCSI_H_ -#define _SCSI_SCSI_H_ - -#include <nscsi.h> -#include <scsi/scsi_endian.h> - -/* - * Bus phases - */ - -#define SCSI_IO 0x01 /* Input/Output */ -#define SCSI_CD 0x02 /* Command/Data */ -#define SCSI_MSG 0x04 /* Message */ - -#define SCSI_PHASE_MASK 0x07 -#define SCSI_PHASE(x) ((x)&SCSI_PHASE_MASK) - -#define SCSI_PHASE_DATAO 0x00 /* 0 */ -#define SCSI_PHASE_DATAI SCSI_IO /* 1 */ -#define SCSI_PHASE_CMD SCSI_CD /* 2 */ -#define SCSI_PHASE_STATUS (SCSI_CD|SCSI_IO) /* 3 */ - /* 4..5 ANSI reserved */ -#define SCSI_PHASE_MSG_OUT (SCSI_MSG|SCSI_CD) /* 6 */ -#define SCSI_PHASE_MSG_IN (SCSI_MSG|SCSI_CD|SCSI_IO) /* 7 */ - -/* - * Single byte messages - * - * originator: I-nitiator T-arget - * T-support: M-andatory O-ptional - */ - -#define SCSI_COMMAND_COMPLETE 0x00 /* M T */ -#define SCSI_EXTENDED_MESSAGE 0x01 /* IT */ -#define SCSI_SAVE_DATA_POINTER 0x02 /* O T */ -#define SCSI_RESTORE_POINTERS 0x03 /* O T */ -#define SCSI_DISCONNECT 0x04 /* O T */ -#define SCSI_I_DETECTED_ERROR 0x05 /* M I */ -#define SCSI_ABORT 0x06 /* M I */ -#define SCSI_MESSAGE_REJECT 0x07 /* M IT */ -#define SCSI_NOP 0x08 /* M I */ -#define SCSI_MSG_PARITY_ERROR 0x09 /* M I */ -#define SCSI_LNKD_CMD_COMPLETE 0x0a /* O T */ -#define SCSI_LNKD_CMD_COMPLETE_F 0x0b /* O T */ -#define SCSI_BUS_DEVICE_RESET 0x0c /* M I */ - /* 0x0d..0x11 scsi2 */ - /* 0x12..0x1f reserved */ -#define SCSI_IDENTIFY 0x80 /* IT */ -# define SCSI_IFY_ENABLE_DISCONNECT 0x40 /* I */ -# define SCSI_IFY_LUNTAR 0x20 /* IT */ -# define SCSI_IFY_LUN_MASK 0x07 /* IT */ - - -/* Message codes 0x30..0x7f are reserved */ - -/* - * Extended messages, codes and formats - */ - -#define SCSI_MODIFY_DATA_PTR 0x00 /* T */ -typedef struct { - unsigned char xtn_msg_tag; /* const 0x01 */ - unsigned char xtn_msg_len; /* const 0x05 */ - unsigned char xtn_msg_code; /* const 0x00 */ - unsigned char xtn_msg_arg_1000; /* MSB, signed 2cmpl */ - unsigned char xtn_msg_arg_0200; - unsigned char xtn_msg_arg_0030; - unsigned char xtn_msg_arg_0004; /* LSB */ -} scsi_mod_ptr_t; - -#define SCSI_SYNC_XFER_REQUEST 0x01 /* IT */ -typedef struct { - unsigned char xtn_msg_tag; /* const 0x01 */ - unsigned char xtn_msg_len; /* const 0x03 */ - unsigned char xtn_msg_code; /* const 0x01 */ - unsigned char xtn_msg_xfer_period; /* times 4nsecs */ - unsigned char xtn_msg_xfer_offset; /* pending ack window */ -#define SCSI_SYNCH_XFER_OFFANY 0xff /* T unlimited */ -} scsi_synch_xfer_req_t; - -#define SCSI_XTN_IDENTIFY 0x02 /* IT -2 */ -typedef struct { - unsigned char xtn_msg_tag; /* const 0x01 */ - unsigned char xtn_msg_len; /* const 0x02 */ - unsigned char xtn_msg_code; /* const 0x02 */ - unsigned char xtn_msg_sublun; -} scsi_xtn_identify_t; - - /* 0x03..0x7f reserved */ - -#define SCSI_XTN_VENDOR_UQE 0x80 /* vendor unique bit */ -typedef struct { - unsigned char xtn_msg_tag; /* const 0x01 */ - unsigned char xtn_msg_len; /* args' len+1 (0-->256)*/ - unsigned char xtn_msg_code; /* const 0x80..0xff */ - unsigned char xtn_msg_args[1]; /* 0..255 bytes */ -} scsi_xtn_vedor_unique_t; - - -/* - * Commands, generic structures - */ - -/* SIX byte commands */ -typedef struct { - unsigned char scsi_cmd_code; /* group(7..5) and command(4..1) */ -#define SCSI_CODE_GROUP 0xe0 -#define SCSI_CODE_CMD 0x1f - unsigned char scsi_cmd_lun_and_lba1; /* lun(7..5) and block# msb[20..16] */ -#define SCSI_LUN_MASK 0xe0 -#define SCSI_LBA_MASK 0x1f -#define SCSI_LUN_SHIFT 5 - unsigned char scsi_cmd_lba2; /* block#[15.. 8] */ - unsigned char scsi_cmd_lba3; /* block#[ 7.. 0] */ - unsigned char scsi_cmd_xfer_len; /* if required */ - unsigned char scsi_cmd_ctrl_byte; /* contains: */ -#define SCSI_CTRL_VUQ 0xc0 /* vendor unique bits */ -#define SCSI_CTRL_RESVD 0x3c /* reserved, mbz */ -#define SCSI_CTRL_FLAG 0x02 /* send a complete_with_flag at end */ -#define SCSI_CTRL_LINK 0x01 /* link this command with next */ -} scsi_command_group_0; - -/* TEN byte commands */ -typedef struct { - unsigned char scsi_cmd_code; /* group(7..5) and command(4..1) */ - unsigned char scsi_cmd_lun_and_relbit;/* lun(7..5) and RelAdr(0) */ -#define SCSI_RELADR 0x01 - unsigned char scsi_cmd_lba1; /* block#[31..24] */ - unsigned char scsi_cmd_lba2; /* block#[23..16] */ - unsigned char scsi_cmd_lba3; /* block#[15.. 8] */ - unsigned char scsi_cmd_lba4; /* block#[ 7.. 0] */ - unsigned char scsi_cmd_xxx; /* reserved, mbz */ - unsigned char scsi_cmd_xfer_len_1; /* if required */ - unsigned char scsi_cmd_xfer_len_2; /* if required */ - unsigned char scsi_cmd_ctrl_byte; /* see above */ -} scsi_command_group_1, - scsi_command_group_2; - -/* TWELVE byte commands */ -typedef struct { - unsigned char scsi_cmd_code; /* group(7..5) and command(4..1) */ - unsigned char scsi_cmd_lun_and_relbit;/* lun(7..5) and RelAdr(0) */ - unsigned char scsi_cmd_lba1; /* block#[31..24] */ - unsigned char scsi_cmd_lba2; /* block#[23..16] */ - unsigned char scsi_cmd_lba3; /* block#[15.. 8] */ - unsigned char scsi_cmd_lba4; /* block#[ 7.. 0] */ - unsigned char scsi_cmd_xfer_len_1; /* if required */ - unsigned char scsi_cmd_xfer_len_2; /* if required */ - unsigned char scsi_cmd_xfer_len_3; /* if required */ - unsigned char scsi_cmd_xfer_len_4; /* if required */ - unsigned char scsi_cmd_xxx1; /* reserved, mbz */ - unsigned char scsi_cmd_ctrl_byte; /* see above */ -} scsi_command_group_5; - - -/* - * Commands, codes and aliases - */ - - /* GROUP 0 */ -#define SCSI_CMD_TEST_UNIT_READY 0x00 /* O all 2M all */ -#define scsi_cmd_test_unit_ready_t scsi_command_group_0 - -#define SCSI_CMD_REZERO_UNIT 0x01 /* O disk worm rom */ -#define SCSI_CMD_REWIND 0x01 /* M tape */ -#define scsi_cmd_rewind_t scsi_command_group_0 -#define scsi_cmd_rezero_t scsi_command_group_0 -# define SCSI_CMD_REW_IMMED 0x01 - - /* 0x02 vendor unique */ - -#define SCSI_CMD_REQUEST_SENSE 0x03 /* M all */ -#define scsi_cmd_request_sense_t scsi_command_group_0 -# define scsi_cmd_allocation_length scsi_cmd_xfer_len - -#define SCSI_CMD_FORMAT_UNIT 0x04 /* M disk O prin */ -#define scsi_cmd_format_t scsi_command_group_0 -# define SCSI_CMD_FMT_FMTDATA 0x10 -# define SCSI_CMD_FMT_CMPLIST 0x08 -# define SCSI_CMD_FMT_LIST_TYPE 0x07 -# define scsi_cmd_intleave1 scsi_cmd_lba3 -# define scsi_cmd_intleave2 scsi_cmd_xfer_len - -#define SCSI_CMD_READ_BLOCK_LIMITS 0x05 /* E tape */ -#define scsi_cmd_block_limits_t scsi_command_group_0 - - /* 0x06 vendor unique */ - -#define SCSI_CMD_REASSIGN_BLOCKS 0x07 /* O disk worm */ -#define scsi_cmd_reassign_blocks_t scsi_command_group_0 - -#define SCSI_CMD_READ 0x08 /* M disk tape O worm rom */ -#define SCSI_CMD_RECEIVE 0x08 /* O proc */ -#define SCSI_CMD_GET_MESSAGE 0x08 /* M comm */ -#define scsi_cmd_read_t scsi_command_group_0 -# define SCSI_CMD_TP_FIXED 0x01 /* tape */ -# define scsi_cmd_tp_len1 scsi_cmd_lba2 -# define scsi_cmd_tp_len2 scsi_cmd_lba3 -# define scsi_cmd_tp_len3 scsi_cmd_xfer_len - /* largest addressable blockno */ -#define SCSI_CMD_READ_MAX_LBA ((1 << 21) - 1) - - /* 0x09 vendor unique */ - -#define SCSI_CMD_WRITE 0x0a /* M disk tape O worm */ -#define SCSI_CMD_PRINT 0x0a /* M prin */ -#define SCSI_CMD_SEND 0x0a /* M proc */ -#define SCSI_CMD_SEND_MESSAGE 0x0a /* M comm */ -#define scsi_cmd_write_t scsi_command_group_0 - -#define SCSI_CMD_SEEK 0x0b /* O disk worm rom */ -#define SCSI_CMD_TRACK_SELECT 0x0b /* O tape */ -#define SCSI_CMD_SLEW_AND_PRINT 0x0b /* O prin */ -#define scsi_cmd_seek_t scsi_command_group_0 -# define SCSI_CMD_SLW_CHANNEL 0x01 -# define scsi_cmd_tp_trackno scsi_cmd_xfer_len -# define scsi_cmd_slew_value scsi_cmd_lba2 - - /* 0x0c..0x0e vendor unique */ - -#define SCSI_CMD_READ_REVERSE 0x0f /* O tape */ -#define scsi_cmd_rev_read_t scsi_command_group_0 - -#define SCSI_CMD_WRITE_FILEMARKS 0x10 /* M tape */ -#define SCSI_CMD_FLUSH_BUFFER 0x10 /* M prin */ -#define scsi_cmd_write_fil_t scsi_command_group_0 - -#define SCSI_CMD_SPACE 0x11 /* O tape */ -#define scsi_cmd_space_t scsi_command_group_0 -# define SCSI_CMD_SP_BLOCKS 0x00 -# define SCSI_CMD_SP_FIL 0x01 -# define SCSI_CMD_SP_SEQ_FIL 0x02 -# define SCSI_CMD_SP_EOT 0x03 - -#define SCSI_CMD_INQUIRY 0x12 /* E all (2M all) */ -#define scsi_cmd_inquiry_t scsi_command_group_0 -# define SCSI_CMD_INQ_EVPD 0x01 /* 2 */ -# define scsi_cmd_page_code scsi_cmd_lba2 /* 2 */ - -#define SCSI_CMD_VERIFY_0 0x13 /* O tape */ -#define scsi_cmd_verify_t scsi_command_group_0 -# define SCSI_CMD_VFY_BYTCMP 0x02 - -#define SCSI_CMD_RECOVER_BUFFERED_DATA 0x14 /* O tape prin */ -#define scsi_cmd_recover_buffer_t scsi_command_group_0 - -#define SCSI_CMD_MODE_SELECT 0x15 /* O disk tape prin worm rom */ -# define SCSI_CMD_MSL_PF 0x10 -# define SCSI_CMD_MSL_SP 0x01 -#define scsi_cmd_mode_select_t scsi_command_group_0 - -#define SCSI_CMD_RESERVE 0x16 /* O disk tape prin worm rom */ -#define scsi_cmd_reserve_t scsi_command_group_0 -# define SCSI_CMD_RES_3RDPTY 0x10 -# define SCSI_CMD_RES_3RDPTY_DEV 0x0e -# define SCSI_CMD_RES_EXTENT 0x01 -# define scsi_cmd_reserve_id scsi_cmd_lba2 -# define scsi_cmd_extent_llen1 scsi_cmd_lba3 -# define scsi_cmd_extent_llen2 scsi_cmd_xfer_len - -#define SCSI_CMD_RELEASE 0x17 /* O disk tape prin worm rom */ -#define scsi_cmd_release_t scsi_command_group_0 - -#define SCSI_CMD_COPY 0x18 /* O all */ -#define scsi_cmd_copy_t scsi_command_group_0 -# define SCSI_CMD_CPY_PAD 0x01 /* 2 */ -# define scsi_cmd_paraml_len0 scsi_cmd_lba2 -# define scsi_cmd_paraml_len1 scsi_cmd_lba3 -# define scsi_cmd_paraml_len2 scsi_cmd_xfer_len - -#define SCSI_CMD_ERASE 0x19 /* O tape */ -#define scsi_cmd_erase_t scsi_command_group_0 -# define SCSI_CMD_ER_LONG 0x01 - -#define SCSI_CMD_MODE_SENSE 0x1a /* O disk tape prin worm rom */ -#define scsi_cmd_mode_sense_t scsi_command_group_0 -# define scsi_cmd_ms_pagecode scsi_cmd_lba2 - -#define SCSI_CMD_START_STOP_UNIT 0x1b /* O disk prin worm rom */ -#define SCSI_CMD_LOAD_UNLOAD 0x1b /* O tape */ -#define scsi_cmd_start_t scsi_command_group_0 -# define SCSI_CMD_SS_IMMED 0x01 -# define scsi_cmd_ss_flags scsi_cmd_xfer_len -# define SCSI_CMD_SS_START 0x01 -# define SCSI_CMD_SS_RETEN 0x02 -# define SCSI_CMD_SS_RETAIN 0x01 -# define SCSI_CMD_SS_EJECT 0x02 - -#define SCSI_CMD_RECEIVE_DIAG_RESULTS 0x1c /* O all */ -#define scsi_cmd_receive_diag_t scsi_command_group_0 -# define scsi_cmd_allocation_length1 scsi_cmd_lba3 -# define scsi_cmd_allocation_length2 scsi_cmd_xfer_len - -#define SCSI_CMD_SEND_DIAGNOSTICS 0x1d /* O all */ -#define scsi_cmd_send_diag_t scsi_command_group_0 -# define SCSI_CMD_DIAG_SELFTEST 0x04 -# define SCSI_CMD_DIAG_DEVOFFL 0x02 -# define SCSI_CMD_DIAG_UNITOFFL 0x01 - -#define SCSI_CMD_PREVENT_ALLOW_REMOVAL 0x1e /* O disk tape worm rom */ -#define scsi_cmd_medium_removal_t scsi_command_group_0 -# define scsi_cmd_pa_prevent scsi_cmd_xfer_len /* 0x1 */ - - /* 0x1f reserved */ - - /* GROUP 1 */ - /* 0x20..0x24 vendor unique */ - -#define SCSI_CMD_READ_CAPACITY 0x25 /* E disk worm rom */ -#define scsi_cmd_read_capacity_t scsi_command_group_1 -# define scsi_cmd_rcap_flags scsi_cmd_xfer_len_2 -# define SCSI_CMD_RCAP_PMI 0x01 - - /* 0x26..0x27 vendor unique */ - -#define SCSI_CMD_LONG_READ 0x28 /* E disk M worm rom */ -#define scsi_cmd_long_read_t scsi_command_group_1 - - /* 0x29 vendor unique */ - -#define SCSI_CMD_LONG_WRITE 0x2a /* E disk M worm */ -#define scsi_cmd_long_write_t scsi_command_group_1 - -#define SCSI_CMD_LONG_SEEK 0x2b /* O disk worm rom */ -#define scsi_cmd_long_seek_t scsi_command_group_1 - - /* 0x2c..0x2d vendor unique */ - -#define SCSI_CMD_WRITE_AND_VERIFY 0x2e /* O disk worm */ -#define scsi_cmd_write_vfy_t scsi_command_group_1 -# define SCSI_CMD_VFY_BYTCHK 0x02 - -#define SCSI_CMD_VERIFY_1 0x2f /* O disk worm rom */ -#define scsi_cmd_verify_long_t scsi_command_group_1 -# define SCSI_CMD_VFY_BLKVFY 0x04 - -#define SCSI_CMD_SEARCH_HIGH 0x30 /* O disk worm rom */ -#define scsi_cmd_search_t scsi_command_group_1 -# define SCSI_CMD_SRCH_INVERT 0x10 -# define SCSI_CMD_SRCH_SPNDAT 0x02 - -#define SCSI_CMD_SEARCH_EQUAL 0x31 /* O disk worm rom */ -#define SCSI_CMD_SEARCH_LOW 0x32 /* O disk worm rom */ - -#define SCSI_CMD_SET_LIMITS 0x33 /* O disk worm rom */ -#define scsi_cmd_set_limits_t scsi_command_group_1 -# define SCSI_CMD_SL_RDINH 0x02 -# define SCSI_CMD_SL_WRINH 0x01 - - /* 0x34..0x38 reserved */ - -#define SCSI_CMD_COMPARE 0x39 /* O all */ -#define scsi_cmd_compare_t scsi_command_group_1 -# define scsi_cmd_1_paraml1 scsi_cmd_lba2 -# define scsi_cmd_1_paraml2 scsi_cmd_lba3 -# define scsi_cmd_1_paraml3 scsi_cmd_lba4 - -#define SCSI_CMD_COPY_AND_VERIFY 0x3a /* O all */ -#define scsi_cmd_copy_vfy_t scsi_command_group_1 -# define SCSI_CMD_CPY_BYTCHK 0x02 - - /* 0x3b..0x3f reserved */ - - /* GROUP 2 */ - /* 0x40..0x5f reserved */ - - /* GROUP 3 */ - /* 0x60..0x7f reserved */ - - /* GROUP 4 */ - /* 0x80..0x9f reserved */ - - /* GROUP 5 */ - /* 0xa0..0xaf vendor unique */ - /* 0xb0..0xbf reserved */ - - /* GROUP 6 */ - /* 0xc0..0xdf vendor unique */ - - /* GROUP 7 */ - /* 0xe0..0xff vendor unique */ - - -/* - * Command-specific results and definitions - */ - -/* inquiry data */ -typedef struct { - unsigned char periph_type; -#define SCSI_DISK 0x00 -#define SCSI_TAPE 0x01 -#define SCSI_PRINTER 0x02 -#define SCSI_CPU 0x03 -#define SCSI_WORM 0x04 -#define SCSI_CDROM 0x05 - - BITFIELD_2( unsigned char, - device_type : 7, - rmb : 1); - BITFIELD_3( unsigned char, - ansi : 3, - ecma : 3, - iso : 2); - unsigned char reserved; - unsigned char length; - unsigned char param[1]; -} scsi_inquiry_data_t; - -#define SCSI_INQ_STD_DATA -1 - -/* request sense data */ -#define SCSI_SNS_NOSENSE 0x0 -#define SCSI_SNS_RECOVERED 0x1 -#define SCSI_SNS_NOTREADY 0x2 -#define SCSI_SNS_MEDIUM_ERR 0x3 -#define SCSI_SNS_HW_ERR 0x4 -#define SCSI_SNS_ILLEGAL_REQ 0x5 -#define SCSI_SNS_UNIT_ATN 0x6 -#define SCSI_SNS_PROTECT 0x7 -#define SCSI_SNS_BLANK_CHK 0x8 -#define SCSI_SNS_VUQE 0x9 -#define SCSI_SNS_COPY_ABRT 0xa -#define SCSI_SNS_ABORTED 0xb -#define SCSI_SNS_EQUAL 0xc -#define SCSI_SNS_VOLUME_OVFL 0xd -#define SCSI_SNS_MISCOMPARE 0xe -#define SCSI_SNS_RESERVED 0xf - -typedef struct { - BITFIELD_3( unsigned char, - error_code : 4, - error_class : 3, - addr_valid : 1); -# define SCSI_SNS_XTENDED_SENSE_DATA 0x7 /* e.g. error_class=7 */ - union { - struct { - BITFIELD_2(unsigned char, - lba_msb : 5, - vuqe : 3); - unsigned char lba; - unsigned char lba_lsb; - } non_xtnded; - struct { - unsigned char segment_number; - BITFIELD_5(unsigned char, - sense_key : 4, - res : 1, - ili : 1, - eom : 1, - fm : 1); - unsigned char info0; - unsigned char info1; - unsigned char info2; - unsigned char info3; - unsigned char add_len; - unsigned char add_bytes[1];/* VARSIZE */ - } xtended; - } u; -} scsi_sense_data_t; - - -/* mode select params */ -typedef struct { - unsigned char reserved1; - unsigned char medium_type; - BITFIELD_3(unsigned char, - speed:4, /* special for tapes, reserved in SCSI-1 */ - buffer_mode:3, - reserved2:1); - unsigned char desc_len; - struct scsi_mode_parm_blockdesc { - unsigned char density_code; - unsigned char nblocks1; - unsigned char nblocks2; - unsigned char nblocks3; - unsigned char reserved; - unsigned char reclen1; - unsigned char reclen2; - unsigned char reclen3; - } descs[1]; /* VARSIZE, really */ -} scsi_mode_select_param_t; - -/* mode sense data (TAPE) */ -typedef struct { - unsigned char data_len; - unsigned char medium_type; - BITFIELD_3(unsigned char, - speed : 4, - buffered_mode : 3, - wp : 1); - unsigned char bdesc_len; - struct { - unsigned char density_code; - unsigned char no_blks_msb; - unsigned char no_blks; - unsigned char no_blks_lsb; - unsigned char reserved; - unsigned char blen_msb; - unsigned char blen; - unsigned char blen_lsb; - } bdesc[1]; /* VARSIZE */ - /* vuqe data might follow */ -} scsi_mode_sense_data_t; - -/* read capacity data */ -typedef struct { - unsigned char lba1; - unsigned char lba2; - unsigned char lba3; - unsigned char lba4; - unsigned char blen1; - unsigned char blen2; - unsigned char blen3; - unsigned char blen4; -} scsi_rcap_data_t; - -/* defect list(s) */ -typedef struct { - unsigned char res1; - unsigned char res2; - unsigned char list_len_msb; - unsigned char list_len_lsb; - struct { - unsigned char blockno_msb; - unsigned char blockno_sb1; - unsigned char blockno_sb2; - unsigned char blockno_lsb; - } defects[1]; /* VARSIZE */ -} scsi_Ldefect_data_t; - -/* block limits (tape) */ -typedef struct { - unsigned char res1; - unsigned char maxlen_msb; - unsigned char maxlen_sb; - unsigned char maxlen_lsb; - unsigned char minlen_msb; - unsigned char minlen_lsb; -} scsi_blimits_data_t; - -/* - * Status byte (a-la scsi1) - */ - -typedef union { - struct { - BITFIELD_4( unsigned char, - scsi_status_vendor_uqe1:1, - scsi_status_code:4, - scsi_status_vendor_uqe:2, - scsi_status_reserved:1); -# define SCSI_ST_GOOD 0x00 /* scsi_status_code values */ -# define SCSI_ST_CHECK_CONDITION 0x01 -# define SCSI_ST_CONDITION_MET 0x02 -# define SCSI_ST_BUSY 0x04 -# define SCSI_ST_INT_GOOD 0x08 -# define SCSI_ST_INT_MET 0x0a -# define SCSI_ST_RES_CONFLICT 0x0c - /* anything else is reserved */ - } st; - unsigned char bits; -} scsi_status_byte_t; - - -#endif _SCSI_SCSI_H_ |