Commit 5efa3c04 authored by Fam Zheng's avatar Fam Zheng Committed by Paolo Bonzini

scsi: Improve scsi_sense_to_errno

Tweak the errno mapping to return more accurate/appropriate values.
Signed-off-by: 's avatarFam Zheng <famz@redhat.com>
Message-Id: <20170821141008.19383-3-famz@redhat.com>
Signed-off-by: 's avatarPaolo Bonzini <pbonzini@redhat.com>
parent 28751358
......@@ -18,13 +18,16 @@
int scsi_sense_to_errno(int key, int asc, int ascq)
{
switch (key) {
case 0x02: /* NOT READY */
return EBUSY;
case 0x07: /* DATA PROTECTION */
return EACCES;
case 0x00: /* NO SENSE */
case 0x01: /* RECOVERED ERROR */
case 0x06: /* UNIT ATTENTION */
/* These sense keys are not errors */
return 0;
case 0x0b: /* COMMAND ABORTED */
return ECANCELED;
case 0x02: /* NOT READY */
case 0x05: /* ILLEGAL REQUEST */
case 0x07: /* DATA PROTECTION */
/* Parse ASCQ */
break;
default:
......@@ -37,6 +40,7 @@ int scsi_sense_to_errno(int key, int asc, int ascq)
case 0x2600: /* INVALID FIELD IN PARAMETER LIST */
return EINVAL;
case 0x2100: /* LBA OUT OF RANGE */
case 0x2707: /* SPACE ALLOC FAILED */
return ENOSPC;
case 0x2500: /* LOGICAL UNIT NOT SUPPORTED */
return ENOTSUP;
......@@ -46,6 +50,10 @@ int scsi_sense_to_errno(int key, int asc, int ascq)
return ENOMEDIUM;
case 0x2700: /* WRITE PROTECTED */
return EACCES;
case 0x0401: /* NOT READY, IN PROGRESS OF BECOMING READY */
return EAGAIN;
case 0x0402: /* NOT READY, INITIALIZING COMMAND REQUIRED */
return ENOTCONN;
default:
return EIO;
}
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment