Author: mav
Date: Fri Mar 27 08:59:21 2015
New Revision: 280750
URL: https://svnweb.freebsd.org/changeset/base/280750
Log:
MFC r280154:
Report that we may have write cache, and that we do support FLUSH.
Modified:
stable/10/usr.sbin/bhyve/pci_virtio_block.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/usr.sbin/bhyve/pci_virtio_block.c
==============================================================================
--- stable/10/usr.sbin/bhyve/pci_virtio_block.c Fri Mar 27 08:58:30 2015
(r280749)
+++ stable/10/usr.sbin/bhyve/pci_virtio_block.c Fri Mar 27 08:59:21 2015
(r280750)
@@ -64,6 +64,7 @@ __FBSDID("$FreeBSD$");
/* Capability bits */
#define VTBLK_F_SEG_MAX (1 << 2) /* Maximum request
segments */
#define VTBLK_F_BLK_SIZE (1 << 6) /* cfg block size valid
*/
+#define VTBLK_F_FLUSH (1 << 9) /* Cache flush support
*/
#define VTBLK_F_TOPOLOGY (1 << 10) /* Optimal I/O
alignment */
/*
@@ -72,6 +73,7 @@ __FBSDID("$FreeBSD$");
#define VTBLK_S_HOSTCAPS \
( VTBLK_F_SEG_MAX | \
VTBLK_F_BLK_SIZE | \
+ VTBLK_F_FLUSH | \
VTBLK_F_TOPOLOGY | \
VIRTIO_RING_F_INDIRECT_DESC ) /* indirect descriptors */
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