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222 lines
6.7 KiB
C
222 lines
6.7 KiB
C
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/* Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/*
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* This header file contains public constants and structures used by
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* the scsi code for linux.
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*/
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#ifndef _SCSI_SCSI_H
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#define _SCSI_SCSI_H 1
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#include <features.h>
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/*
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* SCSI opcodes
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*/
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#define TEST_UNIT_READY 0x00
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#define REZERO_UNIT 0x01
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#define REQUEST_SENSE 0x03
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#define FORMAT_UNIT 0x04
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#define READ_BLOCK_LIMITS 0x05
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#define REASSIGN_BLOCKS 0x07
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#define READ_6 0x08
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#define WRITE_6 0x0a
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#define SEEK_6 0x0b
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#define READ_REVERSE 0x0f
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#define WRITE_FILEMARKS 0x10
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#define SPACE 0x11
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#define INQUIRY 0x12
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#define RECOVER_BUFFERED_DATA 0x14
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#define MODE_SELECT 0x15
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#define RESERVE 0x16
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#define RELEASE 0x17
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#define COPY 0x18
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#define ERASE 0x19
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#define MODE_SENSE 0x1a
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#define START_STOP 0x1b
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#define RECEIVE_DIAGNOSTIC 0x1c
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#define SEND_DIAGNOSTIC 0x1d
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#define ALLOW_MEDIUM_REMOVAL 0x1e
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#define SET_WINDOW 0x24
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#define READ_CAPACITY 0x25
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#define READ_10 0x28
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#define WRITE_10 0x2a
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#define SEEK_10 0x2b
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#define WRITE_VERIFY 0x2e
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#define VERIFY 0x2f
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#define SEARCH_HIGH 0x30
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#define SEARCH_EQUAL 0x31
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#define SEARCH_LOW 0x32
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#define SET_LIMITS 0x33
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#define PRE_FETCH 0x34
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#define READ_POSITION 0x34
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#define SYNCHRONIZE_CACHE 0x35
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#define LOCK_UNLOCK_CACHE 0x36
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#define READ_DEFECT_DATA 0x37
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#define MEDIUM_SCAN 0x38
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#define COMPARE 0x39
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#define COPY_VERIFY 0x3a
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#define WRITE_BUFFER 0x3b
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#define READ_BUFFER 0x3c
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#define UPDATE_BLOCK 0x3d
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#define READ_LONG 0x3e
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#define WRITE_LONG 0x3f
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#define CHANGE_DEFINITION 0x40
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#define WRITE_SAME 0x41
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#define READ_TOC 0x43
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#define LOG_SELECT 0x4c
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#define LOG_SENSE 0x4d
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#define MODE_SELECT_10 0x55
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#define MODE_SENSE_10 0x5a
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#define MOVE_MEDIUM 0xa5
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#define READ_12 0xa8
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#define WRITE_12 0xaa
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#define WRITE_VERIFY_12 0xae
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#define SEARCH_HIGH_12 0xb0
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#define SEARCH_EQUAL_12 0xb1
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#define SEARCH_LOW_12 0xb2
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#define READ_ELEMENT_STATUS 0xb8
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#define SEND_VOLUME_TAG 0xb6
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#define WRITE_LONG_2 0xea
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/*
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* Status codes
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*/
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#define GOOD 0x00
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#define CHECK_CONDITION 0x01
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#define CONDITION_GOOD 0x02
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#define BUSY 0x04
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#define INTERMEDIATE_GOOD 0x08
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#define INTERMEDIATE_C_GOOD 0x0a
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#define RESERVATION_CONFLICT 0x0c
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#define COMMAND_TERMINATED 0x11
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#define QUEUE_FULL 0x14
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#define STATUS_MASK 0x3e
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/*
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* SENSE KEYS
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*/
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#define NO_SENSE 0x00
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#define RECOVERED_ERROR 0x01
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#define NOT_READY 0x02
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#define MEDIUM_ERROR 0x03
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#define HARDWARE_ERROR 0x04
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#define ILLEGAL_REQUEST 0x05
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#define UNIT_ATTENTION 0x06
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#define DATA_PROTECT 0x07
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#define BLANK_CHECK 0x08
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#define COPY_ABORTED 0x0a
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#define ABORTED_COMMAND 0x0b
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#define VOLUME_OVERFLOW 0x0d
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#define MISCOMPARE 0x0e
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/*
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* DEVICE TYPES
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*/
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#define TYPE_DISK 0x00
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#define TYPE_TAPE 0x01
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#define TYPE_PROCESSOR 0x03 /* HP scanners use this */
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#define TYPE_WORM 0x04 /* Treated as ROM by our system */
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#define TYPE_ROM 0x05
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#define TYPE_SCANNER 0x06
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#define TYPE_MOD 0x07 /* Magneto-optical disk -
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* - treated as TYPE_DISK */
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#define TYPE_MEDIUM_CHANGER 0x08
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#define TYPE_NO_LUN 0x7f
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/*
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* standard mode-select header prepended to all mode-select commands
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*
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* moved here from cdrom.h -- kraxel
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*/
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struct ccs_modesel_head
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{
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unsigned char _r1; /* reserved. */
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unsigned char medium; /* device-specific medium type. */
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unsigned char _r2; /* reserved. */
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unsigned char block_desc_length; /* block descriptor length. */
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unsigned char density; /* device-specific density code. */
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unsigned char number_blocks_hi; /* number of blocks in this block
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desc. */
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unsigned char number_blocks_med;
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unsigned char number_blocks_lo;
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unsigned char _r3;
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unsigned char block_length_hi; /* block length for blocks in this
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desc. */
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unsigned char block_length_med;
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unsigned char block_length_lo;
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};
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/*
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* MESSAGE CODES
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*/
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#define COMMAND_COMPLETE 0x00
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#define EXTENDED_MESSAGE 0x01
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#define EXTENDED_MODIFY_DATA_POINTER 0x00
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#define EXTENDED_SDTR 0x01
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#define EXTENDED_EXTENDED_IDENTIFY 0x02 /* SCSI-I only */
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#define EXTENDED_WDTR 0x03
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#define SAVE_POINTERS 0x02
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#define RESTORE_POINTERS 0x03
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#define DISCONNECT 0x04
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#define INITIATOR_ERROR 0x05
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#define ABORT 0x06
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#define MESSAGE_REJECT 0x07
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#define NOP 0x08
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#define MSG_PARITY_ERROR 0x09
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#define LINKED_CMD_COMPLETE 0x0a
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#define LINKED_FLG_CMD_COMPLETE 0x0b
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#define BUS_DEVICE_RESET 0x0c
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#define INITIATE_RECOVERY 0x0f /* SCSI-II only */
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#define RELEASE_RECOVERY 0x10 /* SCSI-II only */
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#define SIMPLE_QUEUE_TAG 0x20
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#define HEAD_OF_QUEUE_TAG 0x21
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#define ORDERED_QUEUE_TAG 0x22
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/*
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* Here are some scsi specific ioctl commands which are sometimes useful.
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*/
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/* These are a few other constants only used by scsi devices. */
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#define SCSI_IOCTL_GET_IDLUN 0x5382
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/* Used to turn on and off tagged queuing for scsi devices. */
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#define SCSI_IOCTL_TAGGED_ENABLE 0x5383
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#define SCSI_IOCTL_TAGGED_DISABLE 0x5384
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/* Used to obtain the host number of a device. */
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#define SCSI_IOCTL_PROBE_HOST 0x5385
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/* Used to get the bus number for a device. */
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#define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
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#endif /* scsi/scsi.h */
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