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[Qemu-devel] [PATCH 13/16] scsi: advertise DPOFUA


From: Paolo Bonzini
Subject: [Qemu-devel] [PATCH 13/16] scsi: advertise DPOFUA
Date: Thu, 19 Apr 2012 16:29:33 +0200

Signed-off-by: Paolo Bonzini <address@hidden>
---
 hw/scsi-disk.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index 2d9ac2d..fca31fa 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -1093,14 +1093,15 @@ static int scsi_disk_emulate_mode_sense(SCSIDiskReq *r, 
uint8_t *outbuf)
     memset(outbuf, 0, r->req.cmd.xfer);
     p = outbuf;
 
-    dev_specific_param = 0x00;
     if (s->qdev.type == TYPE_DISK) {
+        dev_specific_param = 0x10; /* DPOFUA */
         if (bdrv_is_read_only(s->qdev.conf.bs)) {
             dev_specific_param |= 0x80; /* Readonly.  */
         }
     } else {
         /* MMC prescribes that CD/DVD drives have no block descriptors,
          * and defines no device-specific parameter.  */
+        dev_specific_param = 0x00;
         dbd = true;
     }
 
-- 
1.7.9.3





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