scsi: report thin provisioning errors with werror=report

SCSI defines a status code for when a thin-provisioned LUNs would
exceed the allocated space, map ENOSPC to it.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index 50b89ad4aa2625792650b007c9462040fcc0849c..054a7d407a5a37c4c8c123c85e5b5014ea741933 100644 (file)
--- a/hw/scsi/scsi-bus.c
+++ b/hw/scsi/scsi-bus.c
@@ -1367,6 +1367,11 @@ const struct SCSISense sense_code_WRITE_PROTECTED = {
     .key = DATA_PROTECT, .asc = 0x27, .ascq = 0x00
 };
 
+/* Data Protection, Space Allocation Failed Write Protect */
+const struct SCSISense sense_code_SPACE_ALLOC_FAILED = {
+    .key = DATA_PROTECT, .asc = 0x27, .ascq = 0x07
+};
+
 /*
  * scsi_build_sense
  *

diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index b4fadd2f24ee021ba5813b5ac6d4914fbbdcd8da..d6141482aa177baaec5b83adf8919e7d4d894c5c 100644 (file)
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -428,6 +428,9 @@ static int scsi_handle_rw_error(SCSIDiskReq *r, int error)
         case EINVAL:
             scsi_check_condition(r, SENSE_CODE(INVALID_FIELD));
             break;
+        case ENOSPC:
+            scsi_check_condition(r, SENSE_CODE(SPACE_ALLOC_FAILED));
+            break;
         default:
             scsi_check_condition(r, SENSE_CODE(IO_ERROR));
             break;

diff --git a/include/hw/scsi/scsi.h b/include/hw/scsi/scsi.h
index ca66454c4ca65dee6f99a018ee615db23f17f553..e5fc39d504fa50e830656819e1c412b5a40a4598 100644 (file)
--- a/include/hw/scsi/scsi.h
+++ b/include/hw/scsi/scsi.h
@@ -223,6 +223,8 @@ extern const struct SCSISense sense_code_REPORTED_LUNS_CHANGED;
 extern const struct SCSISense sense_code_DEVICE_INTERNAL_RESET;
 /* Data Protection, Write Protected */
 extern const struct SCSISense sense_code_WRITE_PROTECTED;
+/* Data Protection, Space Allocation Failed Write Protect */
+extern const struct SCSISense sense_code_SPACE_ALLOC_FAILED;
 
 #define SENSE_CODE(x) sense_code_ ## x