scsi: add scsi-defs.h
Largely based on <scsi/scsi.h> from linux. Added into the tree so we can use the defines everywhere, not just in scsi-generic.c (which is linux-specific). Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann
Anthony Liguori
parent
b07995e3ca
commit
0d65e1f856
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/* Copyright (C) 1998, 1999 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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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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/*
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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 RESERVE_10 0x56
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#define RELEASE_10 0x57
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#define MODE_SENSE_10 0x5a
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#define PERSISTENT_RESERVE_IN 0x5e
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#define PERSISTENT_RESERVE_OUT 0x5f
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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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/* from hw/scsi-generic.c */
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#define REWIND 0x01
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#define REPORT_DENSITY_SUPPORT 0x44
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#define LOAD_UNLOAD 0xa6
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#define SET_CD_SPEED 0xbb
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#define BLANK 0xa1
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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_ENCLOSURE 0x0d /* Enclosure Services Device */
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#define TYPE_NO_LUN 0x7f
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@ -30,14 +30,7 @@ do { fprintf(stderr, "scsi-disk: " fmt , ## __VA_ARGS__); } while (0)
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#include "qemu-common.h"
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#include "block.h"
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#include "scsi.h"
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#define SENSE_NO_SENSE 0
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#define SENSE_NOT_READY 2
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#define SENSE_HARDWARE_ERROR 4
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#define SENSE_ILLEGAL_REQUEST 5
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#define STATUS_GOOD 0
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#define STATUS_CHECK_CONDITION 2
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#include "scsi-defs.h"
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#define SCSI_DMA_BUF_SIZE 131072
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#define SCSI_MAX_INQUIRY_LEN 256
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@ -128,7 +121,7 @@ static void scsi_read_complete(void * opaque, int ret)
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if (ret) {
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DPRINTF("IO error\n");
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r->req.bus->complete(r->req.bus, SCSI_REASON_DATA, r->req.tag, 0);
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scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_NO_SENSE);
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scsi_command_complete(r, CHECK_CONDITION, NO_SENSE);
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return;
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}
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DPRINTF("Data ready tag=0x%x len=%" PRId64 "\n", r->req.tag, r->iov.iov_len);
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@ -147,7 +140,7 @@ static void scsi_read_data(SCSIDevice *d, uint32_t tag)
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if (!r) {
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BADF("Bad read tag 0x%x\n", tag);
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/* ??? This is the wrong error. */
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scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_HARDWARE_ERROR);
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scsi_command_complete(r, CHECK_CONDITION, HARDWARE_ERROR);
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return;
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}
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if (r->sector_count == (uint32_t)-1) {
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@ -158,7 +151,7 @@ static void scsi_read_data(SCSIDevice *d, uint32_t tag)
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}
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DPRINTF("Read sector_count=%d\n", r->sector_count);
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if (r->sector_count == 0) {
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scsi_command_complete(r, STATUS_GOOD, SENSE_NO_SENSE);
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scsi_command_complete(r, GOOD, NO_SENSE);
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return;
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}
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@ -171,7 +164,7 @@ static void scsi_read_data(SCSIDevice *d, uint32_t tag)
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r->req.aiocb = bdrv_aio_readv(s->dinfo->bdrv, r->sector, &r->qiov, n,
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scsi_read_complete, r);
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if (r->req.aiocb == NULL)
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scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_HARDWARE_ERROR);
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scsi_command_complete(r, CHECK_CONDITION, HARDWARE_ERROR);
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r->sector += n;
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r->sector_count -= n;
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}
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@ -189,8 +182,8 @@ static int scsi_handle_write_error(SCSIDiskReq *r, int error)
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r->status |= SCSI_REQ_STATUS_RETRY;
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vm_stop(0);
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} else {
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scsi_command_complete(r, STATUS_CHECK_CONDITION,
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SENSE_HARDWARE_ERROR);
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scsi_command_complete(r, CHECK_CONDITION,
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HARDWARE_ERROR);
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}
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return 1;
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@ -213,7 +206,7 @@ static void scsi_write_complete(void * opaque, int ret)
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r->sector += n;
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r->sector_count -= n;
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if (r->sector_count == 0) {
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scsi_command_complete(r, STATUS_GOOD, SENSE_NO_SENSE);
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scsi_command_complete(r, GOOD, NO_SENSE);
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} else {
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len = r->sector_count * 512;
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if (len > SCSI_DMA_BUF_SIZE) {
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@ -236,8 +229,8 @@ static void scsi_write_request(SCSIDiskReq *r)
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r->req.aiocb = bdrv_aio_writev(s->dinfo->bdrv, r->sector, &r->qiov, n,
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scsi_write_complete, r);
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if (r->req.aiocb == NULL)
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scsi_command_complete(r, STATUS_CHECK_CONDITION,
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SENSE_HARDWARE_ERROR);
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scsi_command_complete(r, CHECK_CONDITION,
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HARDWARE_ERROR);
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} else {
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/* Invoke completion routine to fetch data from host. */
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scsi_write_complete(r, 0);
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@ -255,7 +248,7 @@ static int scsi_write_data(SCSIDevice *d, uint32_t tag)
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r = scsi_find_request(s, tag);
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if (!r) {
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BADF("Bad write tag 0x%x\n", tag);
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scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_HARDWARE_ERROR);
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scsi_command_complete(r, CHECK_CONDITION, HARDWARE_ERROR);
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return 1;
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}
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@ -401,7 +394,7 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
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goto fail;
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memset(outbuf, 0, 4);
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r->iov.iov_len = 4;
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if (s->sense == SENSE_NOT_READY && len >= 18) {
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if (s->sense == NOT_READY && len >= 18) {
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memset(outbuf, 0, 18);
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r->iov.iov_len = 18;
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outbuf[7] = 10;
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@ -767,7 +760,7 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
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r->iov.iov_len = 8;
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} else {
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notready:
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scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_NOT_READY);
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scsi_command_complete(r, CHECK_CONDITION, NOT_READY);
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return 0;
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}
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break;
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@ -877,7 +870,7 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
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/* Protection, exponent and lowest lba field left blank. */
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r->iov.iov_len = len;
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} else {
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scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_NOT_READY);
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scsi_command_complete(r, CHECK_CONDITION, NOT_READY);
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return 0;
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}
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break;
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@ -898,14 +891,14 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
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default:
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DPRINTF("Unknown SCSI command (%2.2x)\n", buf[0]);
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fail:
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scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_ILLEGAL_REQUEST);
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scsi_command_complete(r, CHECK_CONDITION, ILLEGAL_REQUEST);
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return 0;
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illegal_lba:
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scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_HARDWARE_ERROR);
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scsi_command_complete(r, CHECK_CONDITION, HARDWARE_ERROR);
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return 0;
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}
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if (r->sector_count == 0 && r->iov.iov_len == 0) {
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scsi_command_complete(r, STATUS_GOOD, SENSE_NO_SENSE);
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scsi_command_complete(r, GOOD, NO_SENSE);
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}
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len = r->sector_count * 512 + r->iov.iov_len;
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if (is_write) {
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@ -34,13 +34,7 @@ do { fprintf(stderr, "scsi-generic: " fmt , ## __VA_ARGS__); } while (0)
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#include <sys/stat.h>
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#include <unistd.h>
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#include <scsi/sg.h>
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#include <scsi/scsi.h>
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#define REWIND 0x01
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#define REPORT_DENSITY_SUPPORT 0x44
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#define LOAD_UNLOAD 0xa6
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#define SET_CD_SPEED 0xbb
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#define BLANK 0xa1
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#include "scsi-defs.h"
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#define SCSI_SENSE_BUF_SIZE 96
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