qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Andy Pei <andy.pei@intel.com>
To: qemu-devel@nongnu.org, qemu-block@nongnu.org
Cc: kwolf@redhat.com, mst@redhat.com, changpeng.liu@intel.com,
	mreitz@redhat.com, raphael.norwitz@nutanix.com
Subject: [PATCH v2] hw/vhost-user-blk: turn on VIRTIO_BLK_F_SIZE_MAX feature for virtio blk device
Date: Mon,  3 Jan 2022 17:28:12 +0800	[thread overview]
Message-ID: <1641202092-149677-1-git-send-email-andy.pei@intel.com> (raw)

Turn on pre-defined feature VIRTIO_BLK_F_SIZE_MAX for virtio blk device to
avoid guest DMA request sizes which are too large for 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:[~2022-01-03  9:32 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-03  9:28 Andy Pei [this message]
2022-01-03 10:42 ` [PATCH v2] hw/vhost-user-blk: turn on VIRTIO_BLK_F_SIZE_MAX feature for virtio blk device Michael S. Tsirkin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1641202092-149677-1-git-send-email-andy.pei@intel.com \
    --to=andy.pei@intel.com \
    --cc=changpeng.liu@intel.com \
    --cc=kwolf@redhat.com \
    --cc=mreitz@redhat.com \
    --cc=mst@redhat.com \
    --cc=qemu-block@nongnu.org \
    --cc=qemu-devel@nongnu.org \
    --cc=raphael.norwitz@nutanix.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).