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virtio-devices: vhost_user: Add LOG_SHMFD protocol feature

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Now that the common vhost-user code can handle logging dirty pages
through shared memory, we need to advertise it to the vhost-user
backends with the protocol feature VHOST_USER_PROTOCOL_F_LOG_SHMFD.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2021-08-06 15:01:37 +02:00 committed by Bo Chen
parent 1c3f8236e7
commit adae986233
3 changed files with 6 additions and 3 deletions
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3
virtio-devices/src/vhost_user/blk.rs
View File

@ -91,7 +91,8 @@ impl Blk {
| VhostUserProtocolFeatures::MQ
| VhostUserProtocolFeatures::CONFIGURE_MEM_SLOTS
| VhostUserProtocolFeatures::REPLY_ACK
| VhostUserProtocolFeatures::INFLIGHT_SHMFD;
| VhostUserProtocolFeatures::INFLIGHT_SHMFD
| VhostUserProtocolFeatures::LOG_SHMFD;
let (acked_features, acked_protocol_features) =
vu.negotiate_features_vhost_user(avail_features, avail_protocol_features)?;

3
virtio-devices/src/vhost_user/fs.rs
View File

@ -337,7 +337,8 @@ impl Fs {
let mut avail_protocol_features = VhostUserProtocolFeatures::MQ
| VhostUserProtocolFeatures::CONFIGURE_MEM_SLOTS
| VhostUserProtocolFeatures::REPLY_ACK
| VhostUserProtocolFeatures::INFLIGHT_SHMFD;
| VhostUserProtocolFeatures::INFLIGHT_SHMFD
| VhostUserProtocolFeatures::LOG_SHMFD;
let slave_protocol_features =
VhostUserProtocolFeatures::SLAVE_REQ | VhostUserProtocolFeatures::SLAVE_SEND_FD;
if cache.is_some() {

3
virtio-devices/src/vhost_user/net.rs
View File

@ -155,7 +155,8 @@ impl Net {
let avail_protocol_features = VhostUserProtocolFeatures::MQ
| VhostUserProtocolFeatures::CONFIGURE_MEM_SLOTS
| VhostUserProtocolFeatures::REPLY_ACK
| VhostUserProtocolFeatures::INFLIGHT_SHMFD;
| VhostUserProtocolFeatures::INFLIGHT_SHMFD
| VhostUserProtocolFeatures::LOG_SHMFD;
let (mut acked_features, acked_protocol_features) =
vu.negotiate_features_vhost_user(avail_features, avail_protocol_features)?;