External/cloud-hypervisor
1
0
Fork 0
mirror of https://github.com/cloud-hypervisor/cloud-hypervisor.git synced 2024-10-03 20:15:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

virtio-devices: vhost_user: net: Enable inflight I/O tracking

Browse Source 
Signed-off-by: Jiachen Zhang <zhangjiachen.jaycee@bytedance.com>
This commit is contained in:
Jiachen Zhang 2021-06-11 21:55:38 +08:00 committed by Sebastien Boeuf
parent 36d336841c
commit 2e3e64a4cf
1 changed files with 13 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
virtio-devices/src/vhost_user/net.rs
View File

@ -6,7 +6,7 @@ use crate::vhost_user::vu_common_ctrl::{
add_memory_region, connect_vhost_user, negotiate_features_vhost_user, reset_vhost_user,
setup_vhost_user, update_mem_table, VhostUserConfig,
};
use crate::vhost_user::{Error, Result, VhostUserEpollHandler};
use crate::vhost_user::{Error, Inflight, Result, VhostUserEpollHandler};
use crate::{
ActivateError, ActivateResult, EpollHelper, EpollHelperError, EpollHelperHandler, Queue,
VirtioCommon, VirtioDevice, VirtioDeviceType, VirtioInterrupt, EPOLL_HELPER_EVENT_LAST,
@ -141,7 +141,8 @@ impl Net {
let avail_protocol_features = VhostUserProtocolFeatures::MQ
| VhostUserProtocolFeatures::CONFIGURE_MEM_SLOTS
| VhostUserProtocolFeatures::REPLY_ACK;
| VhostUserProtocolFeatures::REPLY_ACK
| VhostUserProtocolFeatures::INFLIGHT_SHMFD;
let (mut acked_features, acked_protocol_features) = negotiate_features_vhost_user(
&mut vhost_user_net,
@ -292,6 +293,14 @@ impl VirtioDevice for Net {
let backend_acked_features = self.common.acked_features & !(1 << VIRTIO_NET_F_MAC)
| (self.common.avail_features & VhostUserVirtioFeatures::PROTOCOL_FEATURES.bits());
let mut inflight: Option<Inflight> =
if self.acked_protocol_features & VhostUserProtocolFeatures::INFLIGHT_SHMFD.bits() != 0
{
Some(Inflight::default())
} else {
None
};
setup_vhost_user(
&mut self.vhost_user_net.lock().unwrap(),
&mem.memory(),
@ -300,7 +309,7 @@ impl VirtioDevice for Net {
&interrupt_cb,
backend_acked_features,
&slave_req_handler,
None,
inflight.as_mut(),
)
.map_err(ActivateError::VhostUserNetSetup)?;
@ -321,7 +330,7 @@ impl VirtioDevice for Net {
socket_path: self.socket_path.clone(),
server: self.server,
slave_req_handler: None,
inflight: None,
inflight,
};
let paused = self.common.paused.clone();