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Fix scsi-disk sense-key/status confusion (Marcelo Tosatti).

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4260 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2008-04-26 15:56:05 +00:00
parent 4a0d8278ca
commit 47e4ca5abd
1 changed files with 24 additions and 13 deletions
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37
hw/scsi-disk.c
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@ -34,6 +34,18 @@ do { fprintf(stderr, "scsi-disk: " fmt , ##args); } while (0)
#define SENSE_HARDWARE_ERROR 4
#define SENSE_ILLEGAL_REQUEST 5
#define SCSI_OK 0
#define SCSI_CHECK_COND 0x2
#define SCSI_COND_MET 0x4
#define SCSI_BUSY 0x8
#define SCSI_INTERMEDIATE 0x10
#define SCSI_INTER_MET 0x14
#define SCSI_RES_CONFLICT 0x18
#define SCSI_CMD_TERMINATED 0x22
#define SCSI_QUEUE_FULL 0x28
#define SCSI_ACA_ACTIVE 0x30
#define SCSI_TASK_ABORTED 0x40
#define SCSI_DMA_BUF_SIZE 65536
typedef struct SCSIRequest {
@ -124,7 +136,7 @@ static SCSIRequest *scsi_find_request(SCSIDeviceState *s, uint32_t tag)
}
/* Helper function for command completion. */
static void scsi_command_complete(SCSIRequest *r, int sense)
static void scsi_command_complete(SCSIRequest *r, int status, int sense)
{
SCSIDeviceState *s = r->dev;
uint32_t tag;
@ -132,7 +144,7 @@ static void scsi_command_complete(SCSIRequest *r, int sense)
s->sense = sense;
tag = r->tag;
scsi_remove_request(r);
s->completion(s->opaque, SCSI_REASON_DONE, tag, sense);
s->completion(s->opaque, SCSI_REASON_DONE, tag, status);
}
/* Cancel a pending data transfer. */
@ -157,7 +169,7 @@ static void scsi_read_complete(void * opaque, int ret)
if (ret) {
DPRINTF("IO error\n");
scsi_command_complete(r, SENSE_HARDWARE_ERROR);
scsi_command_complete(r, SCSI_CHECK_COND, SENSE_HARDWARE_ERROR);
return;
}
DPRINTF("Data ready tag=0x%x len=%d\n", r->tag, r->buf_len);
@ -175,8 +187,7 @@ static void scsi_read_data(SCSIDevice *d, uint32_t tag)
r = scsi_find_request(s, tag);
if (!r) {
BADF("Bad read tag 0x%x\n", tag);
/* ??? This is the wrong error. */
scsi_command_complete(r, SENSE_HARDWARE_ERROR);
scsi_command_complete(r, SCSI_CHECK_COND, SENSE_HARDWARE_ERROR);
return;
}
if (r->sector_count == (uint32_t)-1) {
@ -187,7 +198,7 @@ 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, SENSE_NO_SENSE);
scsi_command_complete(r, SCSI_OK, SENSE_NO_SENSE);
return;
}
@ -199,7 +210,7 @@ static void scsi_read_data(SCSIDevice *d, uint32_t tag)
r->aiocb = bdrv_aio_read(s->bdrv, r->sector, r->dma_buf, n,
scsi_read_complete, r);
if (r->aiocb == NULL)
scsi_command_complete(r, SENSE_HARDWARE_ERROR);
scsi_command_complete(r, SCSI_CHECK_COND, SENSE_HARDWARE_ERROR);
r->sector += n;
r->sector_count -= n;
}
@ -217,7 +228,7 @@ static void scsi_write_complete(void * opaque, int ret)
r->aiocb = NULL;
if (r->sector_count == 0) {
scsi_command_complete(r, SENSE_NO_SENSE);
scsi_command_complete(r, SCSI_OK, SENSE_NO_SENSE);
} else {
len = r->sector_count * 512;
if (len > SCSI_DMA_BUF_SIZE) {
@ -241,7 +252,7 @@ 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, SENSE_HARDWARE_ERROR);
scsi_command_complete(r, SCSI_CHECK_COND, SENSE_HARDWARE_ERROR);
return 1;
}
if (r->aiocb)
@ -251,7 +262,7 @@ static int scsi_write_data(SCSIDevice *d, uint32_t tag)
r->aiocb = bdrv_aio_write(s->bdrv, r->sector, r->dma_buf, n,
scsi_write_complete, r);
if (r->aiocb == NULL)
scsi_command_complete(r, SENSE_HARDWARE_ERROR);
scsi_command_complete(r, SCSI_CHECK_COND, SENSE_HARDWARE_ERROR);
r->sector += n;
r->sector_count -= n;
} else {
@ -601,7 +612,7 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
outbuf[7] = 0;
r->buf_len = 8;
} else {
scsi_command_complete(r, SENSE_NOT_READY);
scsi_command_complete(r, SCSI_CHECK_COND, SENSE_NOT_READY);
return 0;
}
break;
@ -688,11 +699,11 @@ 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, SENSE_ILLEGAL_REQUEST);
scsi_command_complete(r, SCSI_CHECK_COND, SENSE_ILLEGAL_REQUEST);
return 0;
}
if (r->sector_count == 0 && r->buf_len == 0) {
scsi_command_complete(r, SENSE_NO_SENSE);
scsi_command_complete(r, SCSI_OK, SENSE_NO_SENSE);
}
len = r->sector_count * 512 + r->buf_len;
if (is_write) {