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[Qemu-devel] [PATCH 3/5] virtio-blk: set VIRTIO_F_ANY_LAYOUT when 1.0 is
From: |
Jason Wang |
Subject: |
[Qemu-devel] [PATCH 3/5] virtio-blk: set VIRTIO_F_ANY_LAYOUT when 1.0 is supported |
Date: |
Mon, 13 Jul 2015 13:46:49 +0800 |
Chapter 6.3 of spec said
"
Transitional devices MUST offer, and if offered by the device
transitional drivers MUST accept the following:
VIRTIO_F_ANY_LAYOUT (27)
"
So this patch sets VIRTIO_F_ANY_LAYOUT when 1.0 is supported.
Cc: Stefan Hajnoczi <address@hidden>
Cc: Kevin Wolf <address@hidden>
Cc: address@hidden
Signed-off-by: Jason Wang <address@hidden>
---
hw/block/virtio-blk.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index f30ad25..0f07e25 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -732,6 +732,8 @@ static uint64_t virtio_blk_get_features(VirtIODevice *vdev,
uint64_t features)
virtio_add_feature(&features, VIRTIO_BLK_F_BLK_SIZE);
if (!__virtio_has_feature(features, VIRTIO_F_VERSION_1))
virtio_add_feature(&features, VIRTIO_BLK_F_SCSI);
+ else
+ virtio_add_feature(&features, VIRTIO_F_ANY_LAYOUT);
if (s->conf.config_wce) {
virtio_add_feature(&features, VIRTIO_BLK_F_CONFIG_WCE);
--
2.1.4
[Qemu-devel] [PATCH 5/5] virtio-net: unbreak any layout, Jason Wang, 2015/07/13