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authorGerd Hoffmann <kraxel@redhat.com>2009-11-26 15:33:53 +0100
committerAnthony Liguori <aliguori@us.ibm.com>2009-12-03 09:41:36 -0600
commit0d65e1f856d6f5bd00cb90bcc394fbe95fe5d244 (patch)
treef5a3d5b46a6e13bb5e2367355f29764f10e6cfd5
parentb07995e3caa6252025a76772ed008cecaab5033a (diff)
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>
-rw-r--r--hw/scsi-defs.h156
-rw-r--r--hw/scsi-disk.c41
-rw-r--r--hw/scsi-generic.c8
3 files changed, 174 insertions, 31 deletions
diff --git a/hw/scsi-defs.h b/hw/scsi-defs.h
new file mode 100644
index 0000000000..1701521ad7
--- /dev/null
+++ b/hw/scsi-defs.h
@@ -0,0 +1,156 @@
+/* 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/*
+ * This header file contains public constants and structures used by
+ * the scsi code for linux.
+ */
+
+/*
+ * 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
+
+/* from hw/scsi-generic.c */
+#define REWIND 0x01
+#define REPORT_DENSITY_SUPPORT 0x44
+#define LOAD_UNLOAD 0xa6
+#define SET_CD_SPEED 0xbb
+#define BLANK 0xa1
+
+/*
+ * 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
+
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index 0a8b8bb0bf..b0eceaf094 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -30,14 +30,7 @@ do { fprintf(stderr, "scsi-disk: " fmt , ## __VA_ARGS__); } while (0)
#include "qemu-common.h"
#include "block.h"
#include "scsi.h"
-
-#define SENSE_NO_SENSE 0
-#define SENSE_NOT_READY 2
-#define SENSE_HARDWARE_ERROR 4
-#define SENSE_ILLEGAL_REQUEST 5
-
-#define STATUS_GOOD 0
-#define STATUS_CHECK_CONDITION 2
+#include "scsi-defs.h"
#define SCSI_DMA_BUF_SIZE 131072
#define SCSI_MAX_INQUIRY_LEN 256
@@ -128,7 +121,7 @@ static void scsi_read_complete(void * opaque, int ret)
if (ret) {
DPRINTF("IO error\n");
r->req.bus->complete(r->req.bus, SCSI_REASON_DATA, r->req.tag, 0);
- scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_NO_SENSE);
+ scsi_command_complete(r, CHECK_CONDITION, NO_SENSE);
return;
}
DPRINTF("Data ready tag=0x%x len=%" PRId64 "\n", r->req.tag, r->iov.iov_len);
@@ -147,7 +140,7 @@ static void scsi_read_data(SCSIDevice *d, uint32_t tag)
if (!r) {
BADF("Bad read tag 0x%x\n", tag);
/* ??? This is the wrong error. */
- scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_HARDWARE_ERROR);
+ scsi_command_complete(r, CHECK_CONDITION, HARDWARE_ERROR);
return;
}
if (r->sector_count == (uint32_t)-1) {
@@ -158,7 +151,7 @@ static void scsi_read_data(SCSIDevice *d, uint32_t tag)
}
DPRINTF("Read sector_count=%d\n", r->sector_count);
if (r->sector_count == 0) {
- scsi_command_complete(r, STATUS_GOOD, SENSE_NO_SENSE);
+ scsi_command_complete(r, GOOD, NO_SENSE);
return;
}
@@ -171,7 +164,7 @@ static void scsi_read_data(SCSIDevice *d, uint32_t tag)
r->req.aiocb = bdrv_aio_readv(s->dinfo->bdrv, r->sector, &r->qiov, n,
scsi_read_complete, r);
if (r->req.aiocb == NULL)
- scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_HARDWARE_ERROR);
+ scsi_command_complete(r, CHECK_CONDITION, HARDWARE_ERROR);
r->sector += n;
r->sector_count -= n;
}
@@ -189,8 +182,8 @@ static int scsi_handle_write_error(SCSIDiskReq *r, int error)
r->status |= SCSI_REQ_STATUS_RETRY;
vm_stop(0);
} else {
- scsi_command_complete(r, STATUS_CHECK_CONDITION,
- SENSE_HARDWARE_ERROR);
+ scsi_command_complete(r, CHECK_CONDITION,
+ HARDWARE_ERROR);
}
return 1;
@@ -213,7 +206,7 @@ static void scsi_write_complete(void * opaque, int ret)
r->sector += n;
r->sector_count -= n;
if (r->sector_count == 0) {
- scsi_command_complete(r, STATUS_GOOD, SENSE_NO_SENSE);
+ scsi_command_complete(r, GOOD, NO_SENSE);
} else {
len = r->sector_count * 512;
if (len > SCSI_DMA_BUF_SIZE) {
@@ -236,8 +229,8 @@ static void scsi_write_request(SCSIDiskReq *r)
r->req.aiocb = bdrv_aio_writev(s->dinfo->bdrv, r->sector, &r->qiov, n,
scsi_write_complete, r);
if (r->req.aiocb == NULL)
- scsi_command_complete(r, STATUS_CHECK_CONDITION,
- SENSE_HARDWARE_ERROR);
+ scsi_command_complete(r, CHECK_CONDITION,
+ HARDWARE_ERROR);
} else {
/* Invoke completion routine to fetch data from host. */
scsi_write_complete(r, 0);
@@ -255,7 +248,7 @@ static int scsi_write_data(SCSIDevice *d, uint32_t tag)
r = scsi_find_request(s, tag);
if (!r) {
BADF("Bad write tag 0x%x\n", tag);
- scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_HARDWARE_ERROR);
+ scsi_command_complete(r, CHECK_CONDITION, HARDWARE_ERROR);
return 1;
}
@@ -401,7 +394,7 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
goto fail;
memset(outbuf, 0, 4);
r->iov.iov_len = 4;
- if (s->sense == SENSE_NOT_READY && len >= 18) {
+ if (s->sense == NOT_READY && len >= 18) {
memset(outbuf, 0, 18);
r->iov.iov_len = 18;
outbuf[7] = 10;
@@ -767,7 +760,7 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
r->iov.iov_len = 8;
} else {
notready:
- scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_NOT_READY);
+ scsi_command_complete(r, CHECK_CONDITION, NOT_READY);
return 0;
}
break;
@@ -877,7 +870,7 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
/* Protection, exponent and lowest lba field left blank. */
r->iov.iov_len = len;
} else {
- scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_NOT_READY);
+ scsi_command_complete(r, CHECK_CONDITION, NOT_READY);
return 0;
}
break;
@@ -898,14 +891,14 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
default:
DPRINTF("Unknown SCSI command (%2.2x)\n", buf[0]);
fail:
- scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_ILLEGAL_REQUEST);
+ scsi_command_complete(r, CHECK_CONDITION, ILLEGAL_REQUEST);
return 0;
illegal_lba:
- scsi_command_complete(r, STATUS_CHECK_CONDITION, SENSE_HARDWARE_ERROR);
+ scsi_command_complete(r, CHECK_CONDITION, HARDWARE_ERROR);
return 0;
}
if (r->sector_count == 0 && r->iov.iov_len == 0) {
- scsi_command_complete(r, STATUS_GOOD, SENSE_NO_SENSE);
+ scsi_command_complete(r, GOOD, NO_SENSE);
}
len = r->sector_count * 512 + r->iov.iov_len;
if (is_write) {
diff --git a/hw/scsi-generic.c b/hw/scsi-generic.c
index 053fb73c25..3f4f7f951d 100644
--- a/hw/scsi-generic.c
+++ b/hw/scsi-generic.c
@@ -34,13 +34,7 @@ do { fprintf(stderr, "scsi-generic: " fmt , ## __VA_ARGS__); } while (0)
#include <sys/stat.h>
#include <unistd.h>
#include <scsi/sg.h>
-#include <scsi/scsi.h>
-
-#define REWIND 0x01
-#define REPORT_DENSITY_SUPPORT 0x44
-#define LOAD_UNLOAD 0xa6
-#define SET_CD_SPEED 0xbb
-#define BLANK 0xa1
+#include "scsi-defs.h"
#define SCSI_SENSE_BUF_SIZE 96