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scsi: Print command name in debug 

This makes scsi_command_name() public.

This makes use of scsi_command_name() in debug output for scsi-disk and
spapr-vscsi host bus adapter. Before this, SCSI used to print hex numbers
instead of human-friendly strings.

This adds GET_EVENT_STATUS_NOTIFICATION and READ_DISC_INFORMATION to
the list of SCSI commands supported by scsi_command_name().

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Alexey Kardashevskiy 2014-06-12 15:41:37 +10:00 committed by Paolo Bonzini
parent 2fe5a9f73b
commit b9e77bc718
4 changed files with 10 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
hw/scsi/scsi-bus.c
View File

@ -1429,7 +1429,7 @@ int scsi_build_sense(uint8_t *in_buf, int in_len,
}
}
static const char *scsi_command_name(uint8_t cmd)
const char *scsi_command_name(uint8_t cmd)
{
static const char *names[] = {
[ TEST_UNIT_READY ] = "TEST_UNIT_READY",
@ -1545,6 +1545,8 @@ static const char *scsi_command_name(uint8_t cmd)
[ SET_READ_AHEAD ] = "SET_READ_AHEAD",
[ ALLOW_OVERWRITE ] = "ALLOW_OVERWRITE",
[ MECHANISM_STATUS ] = "MECHANISM_STATUS",
[ GET_EVENT_STATUS_NOTIFICATION ] = "GET_EVENT_STATUS_NOTIFICATION",
[ READ_DISC_INFORMATION ] = "READ_DISC_INFORMATION",
};
if (cmd >= ARRAY_SIZE(names) || names[cmd] == NULL)

3
hw/scsi/scsi-disk.c
View File

@ -2027,7 +2027,8 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf)
(long)r->req.cmd.xfer);
break;
default:
DPRINTF("Unknown SCSI command (%2.2x)\n", buf[0]);
DPRINTF("Unknown SCSI command (%2.2x=%s)\n", buf[0],
scsi_command_name(buf[0]));
scsi_check_condition(r, SENSE_CODE(INVALID_OPCODE));
return 0;
}

5
hw/scsi/spapr_vscsi.c
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@ -799,8 +799,9 @@ static int vscsi_queue_cmd(VSCSIState *s, vscsi_req *req)
req->sreq = scsi_req_new(sdev, req->qtag, lun, srp->cmd.cdb, req);
n = scsi_req_enqueue(req->sreq);
DPRINTF("VSCSI: Queued command tag 0x%x CMD 0x%x LUN %d ret: %d\n",
req->qtag, srp->cmd.cdb[0], lun, n);
DPRINTF("VSCSI: Queued command tag 0x%x CMD 0x%x=%s LUN %d ret: %d\n",
req->qtag, srp->cmd.cdb[0], scsi_command_name(srp->cmd.cdb[0]),
lun, n);
if (n) {
/* Transfer direction must be set before preprocessing the

2
include/block/scsi.h
View File

@ -143,6 +143,8 @@
#define READ_CD 0xbe
#define SEND_DVD_STRUCTURE 0xbf
const char *scsi_command_name(uint8_t cmd);
/*
* SERVICE ACTION IN subcodes
*/