[Qemu-devel] [6953] misc scsi disk/cdrom fixes/improvements 3/4

[Qemu-devel] [6953] misc scsi disk/cdrom fixes/improvements 3/4

[Blue Swirl]

Revision: 6953
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6953
Author:   blueswir1
Date:     2009-03-29 15:40:42 +0000 (Sun, 29 Mar 2009)
Log Message:
-----------
misc scsi disk/cdrom fixes/improvements 3/4

Add asc 0x3a, ascq 0: Medium not present to NOT READY sense
(needed to keep some guests from retrying causing long sleeps in the
kernel)

Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de>

Modified Paths:
--------------
    trunk/hw/scsi-disk.c

Modified: trunk/hw/scsi-disk.c
===================================================================
--- trunk/hw/scsi-disk.c	2009-03-29 15:40:21 UTC (rev 6952)
+++ trunk/hw/scsi-disk.c	2009-03-29 15:40:42 UTC (rev 6953)
@@ -423,10 +423,18 @@
         if (len < 4)
             goto fail;
         memset(outbuf, 0, 4);
+        r->buf_len = 4;
+        if (s->sense == SENSE_NOT_READY && len >= 18) {
+            memset(outbuf, 0, 18);
+            r->buf_len = 18;
+            outbuf[7] = 10;
+            /* asc 0x3a, ascq 0: Medium not present */
+            outbuf[12] = 0x3a;
+            outbuf[13] = 0;
+        }
         outbuf[0] = 0xf0;
         outbuf[1] = 0;
         outbuf[2] = s->sense;
-        r->buf_len = 4;
         break;
     case 0x12:
         DPRINTF("Inquiry (len %d)\n", len);