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/* Copyright (C) 1998, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ /* * This header file contains public constants and structures used by * the scsi code for linux. */ #ifndef _SCSI_SCSI_H #define _SCSI_SCSI_H 1 #include <features.h> /* * SCSI opcodes */ #define TEST_UNIT_READY 0x00 #define REZERO_UNIT 0x01 #define REQUEST_SENSE 0x03 #define FORMAT_UNIT 0x04 #define READ_BLOCK_LIMITS 0x05 #define REASSIGN_BLOCKS 0x07 #define READ_6 0x08 #define WRITE_6 0x0a #define SEEK_6 0x0b #define READ_REVERSE 0x0f #define WRITE_FILEMARKS 0x10 #define SPACE 0x11 #define INQUIRY 0x12 #define RECOVER_BUFFERED_DATA 0x14 #define MODE_SELECT 0x15 #define RESERVE 0x16 #define RELEASE 0x17 #define COPY 0x18 #define ERASE 0x19 #define MODE_SENSE 0x1a #define START_STOP 0x1b #define RECEIVE_DIAGNOSTIC 0x1c #define SEND_DIAGNOSTIC 0x1d #define ALLOW_MEDIUM_REMOVAL 0x1e #define SET_WINDOW 0x24 #define READ_CAPACITY 0x25 #define READ_10 0x28 #define WRITE_10 0x2a #define SEEK_10 0x2b #define WRITE_VERIFY 0x2e #define VERIFY 0x2f #define SEARCH_HIGH 0x30 #define SEARCH_EQUAL 0x31 #define SEARCH_LOW 0x32 #define SET_LIMITS 0x33 #define PRE_FETCH 0x34 #define READ_POSITION 0x34 #define SYNCHRONIZE_CACHE 0x35 #define LOCK_UNLOCK_CACHE 0x36 #define READ_DEFECT_DATA 0x37 #define MEDIUM_SCAN 0x38 #define COMPARE 0x39 #define COPY_VERIFY 0x3a #define WRITE_BUFFER 0x3b #define READ_BUFFER 0x3c #define UPDATE_BLOCK 0x3d #define READ_LONG 0x3e #define WRITE_LONG 0x3f #define CHANGE_DEFINITION 0x40 #define WRITE_SAME 0x41 #define READ_TOC 0x43 #define LOG_SELECT 0x4c #define LOG_SENSE 0x4d #define MODE_SELECT_10 0x55 #define RESERVE_10 0x56 #define RELEASE_10 0x57 #define MODE_SENSE_10 0x5a #define PERSISTENT_RESERVE_IN 0x5e #define PERSISTENT_RESERVE_OUT 0x5f #define MOVE_MEDIUM 0xa5 #define READ_12 0xa8 #define WRITE_12 0xaa #define WRITE_VERIFY_12 0xae #define SEARCH_HIGH_12 0xb0 #define SEARCH_EQUAL_12 0xb1 #define SEARCH_LOW_12 0xb2 #define READ_ELEMENT_STATUS 0xb8 #define SEND_VOLUME_TAG 0xb6 #define WRITE_LONG_2 0xea /* * Status codes */ #define GOOD 0x00 #define CHECK_CONDITION 0x01 #define CONDITION_GOOD 0x02 #define BUSY 0x04 #define INTERMEDIATE_GOOD 0x08 #define INTERMEDIATE_C_GOOD 0x0a #define RESERVATION_CONFLICT 0x0c #define COMMAND_TERMINATED 0x11 #define QUEUE_FULL 0x14 #define STATUS_MASK 0x3e /* * SENSE KEYS */ #define NO_SENSE 0x00 #define RECOVERED_ERROR 0x01 #define NOT_READY 0x02 #define MEDIUM_ERROR 0x03 #define HARDWARE_ERROR 0x04 #define ILLEGAL_REQUEST 0x05 #define UNIT_ATTENTION 0x06 #define DATA_PROTECT 0x07 #define BLANK_CHECK 0x08 #define COPY_ABORTED 0x0a #define ABORTED_COMMAND 0x0b #define VOLUME_OVERFLOW 0x0d #define MISCOMPARE 0x0e /* * DEVICE TYPES */ #define TYPE_DISK 0x00 #define TYPE_TAPE 0x01 #define TYPE_PROCESSOR 0x03 /* HP scanners use this */ #define TYPE_WORM 0x04 /* Treated as ROM by our system */ #define TYPE_ROM 0x05 #define TYPE_SCANNER 0x06 #define TYPE_MOD 0x07 /* Magneto-optical disk - * - treated as TYPE_DISK */ #define TYPE_MEDIUM_CHANGER 0x08 #define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */ #define TYPE_NO_LUN 0x7f /* * standard mode-select header prepended to all mode-select commands * * moved here from cdrom.h -- kraxel */ struct ccs_modesel_head { unsigned char _r1; /* reserved. */ unsigned char medium; /* device-specific medium type. */ unsigned char _r2; /* reserved. */ unsigned char block_desc_length; /* block descriptor length. */ unsigned char density; /* device-specific density code. */ unsigned char number_blocks_hi; /* number of blocks in this block desc. */ unsigned char number_blocks_med; unsigned char number_blocks_lo; unsigned char _r3; unsigned char block_length_hi; /* block length for blocks in this desc. */ unsigned char block_length_med; unsigned char block_length_lo; }; /* * MESSAGE CODES */ #define COMMAND_COMPLETE 0x00 #define EXTENDED_MESSAGE 0x01 #define EXTENDED_MODIFY_DATA_POINTER 0x00 #define EXTENDED_SDTR 0x01 #define EXTENDED_EXTENDED_IDENTIFY 0x02 /* SCSI-I only */ #define EXTENDED_WDTR 0x03 #define SAVE_POINTERS 0x02 #define RESTORE_POINTERS 0x03 #define DISCONNECT 0x04 #define INITIATOR_ERROR 0x05 #define ABORT 0x06 #define MESSAGE_REJECT 0x07 #define NOP 0x08 #define MSG_PARITY_ERROR 0x09 #define LINKED_CMD_COMPLETE 0x0a #define LINKED_FLG_CMD_COMPLETE 0x0b #define BUS_DEVICE_RESET 0x0c #define INITIATE_RECOVERY 0x0f /* SCSI-II only */ #define RELEASE_RECOVERY 0x10 /* SCSI-II only */ #define SIMPLE_QUEUE_TAG 0x20 #define HEAD_OF_QUEUE_TAG 0x21 #define ORDERED_QUEUE_TAG 0x22 /* * Here are some scsi specific ioctl commands which are sometimes useful. */ /* These are a few other constants only used by scsi devices. */ #define SCSI_IOCTL_GET_IDLUN 0x5382 /* Used to turn on and off tagged queuing for scsi devices. */ #define SCSI_IOCTL_TAGGED_ENABLE 0x5383 #define SCSI_IOCTL_TAGGED_DISABLE 0x5384 /* Used to obtain the host number of a device. */ #define SCSI_IOCTL_PROBE_HOST 0x5385 /* Used to get the bus number for a device. */ #define SCSI_IOCTL_GET_BUS_NUMBER 0x5386 #endif /* scsi/scsi.h */