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From: Andy Pei <andy.pei@intel.com>
To: qemu-devel@nongnu.org
Cc: kwolf@redhat.com, qemu-block@nongnu.org, mst@redhat.com,
	mreitz@redhat.com, raphael.norwitz@nutanix.com,
	changpeng.liu@intel.com
Subject: [PATCH] hw/vhost-user-blk: turn on VIRTIO_BLK_F_SIZE_MAX feature for virtio blk device
Date: Fri, 26 Nov 2021 10:00:18 +0800	[thread overview]
Message-ID: <1637892018-89555-1-git-send-email-andy.pei@intel.com> (raw)

Turn on pre-defined feature VIRTIO_BLK_F_SIZE_MAX virtio blk device
to avoid guest DMA request size is too large to exceed hardware spec.

Signed-off-by: Andy Pei <andy.pei@intel.com>
---
 hw/block/vhost-user-blk.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c
index ba13cb8..eb1264a 100644
--- a/hw/block/vhost-user-blk.c
+++ b/hw/block/vhost-user-blk.c
@@ -252,6 +252,7 @@ static uint64_t vhost_user_blk_get_features(VirtIODevice *vdev,
     VHostUserBlk *s = VHOST_USER_BLK(vdev);
 
     /* Turn on pre-defined features */
+    virtio_add_feature(&features, VIRTIO_BLK_F_SIZE_MAX);
     virtio_add_feature(&features, VIRTIO_BLK_F_SEG_MAX);
     virtio_add_feature(&features, VIRTIO_BLK_F_GEOMETRY);
     virtio_add_feature(&features, VIRTIO_BLK_F_TOPOLOGY);
-- 
1.8.3.1



             reply	other threads:[~2021-11-26  2:45 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-26  2:00 Andy Pei [this message]
2021-11-29 21:57 ` [PATCH] hw/vhost-user-blk: turn on VIRTIO_BLK_F_SIZE_MAX feature for virtio blk device Raphael Norwitz
2022-01-03  9:25   ` Pei, Andy

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