Changeset 46400 in vbox for trunk/src/VBox/Devices/Storage/VSCSI

Timestamp:

Jun 5, 2013 7:58:39 PM (12 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

86226

Message:

LunSbc: Accept dummy logical block length sets.

File:

• trunk/src/VBox/Devices/Storage/VSCSI/VSCSILunSbc.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Storage/VSCSI/VSCSILunSbc.cpp

@@ -278 +278 @@
             RTSgBufCopyFromBuf(&pVScsiReq->SgBuf, aReply, sizeof(aReply));
             rcReq = vscsiLunReqSenseOkSet(pVScsiLun, pVScsiReq);
+            break;
+        }
+        case SCSI_MODE_SELECT_6:
+        {
+            uint8_t abParms[12];
+            size_t  cbCopied;
+            size_t  cbList = pVScsiReq->pbCDB[4];
+
+            /* Copy the parameters. */
+            cbCopied = RTSgBufCopyToBuf(&pVScsiReq->SgBuf, &abParms[0], sizeof(abParms));
+
+            /* Handle short LOGICAL BLOCK LENGTH parameter. */
+            if (   !(pVScsiReq->pbCDB[1] & 0x01)
+                && cbCopied == sizeof(abParms)
+                && cbList >= 12
+                && abParms[3] == 8)
+            {
+                uint32_t    cbBlock;
+
+                cbBlock = vscsiBE2HU24(&abParms[4 + 5]);
+                Log2(("SBC: set LOGICAL BLOCK LENGTH to %u\n", cbBlock));
+                if (cbBlock == 512) /* Fixed block size. */
+                {
+                    rcReq = vscsiLunReqSenseOkSet(pVScsiLun, pVScsiReq);
+                    break;
+                }
+            }
+            /* Fail any other requests. */
+            rcReq = vscsiLunReqSenseErrorSet(pVScsiLun, pVScsiReq, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INV_FIELD_IN_CMD_PACKET, 0x00);
             break;
         }