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Move Cloud Hypervisor to virtio-queue crate

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Relying on the vm-virtio/virtio-queue crate from rust-vmm which has been
copied inside the Cloud Hypervisor tree, the entire codebase is moved to
the new definition of a Queue and other related structures.

The reason for this move is to follow the upstream until we get some
agreement for the patches that we need on top of that to make it
properly work with Cloud Hypervisor.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
2021-10-21 12:41:16 +02:00
parent 7c19ae92b8
commit 0249e8641a
44 changed files with 936 additions and 1652 deletions
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virtio-devices/src/vhost_user/net.rs
+8 -8
View File
@@ -6,9 +6,9 @@ use crate::thread_helper::spawn_virtio_thread;
use crate::vhost_user::vu_common_ctrl::{VhostUserConfig, VhostUserHandle};
use crate::vhost_user::{Error, Result, VhostUserCommon};
use crate::{
ActivateResult, EpollHelper, EpollHelperError, EpollHelperHandler, Queue, VirtioCommon,
VirtioDevice, VirtioDeviceType, VirtioInterrupt, EPOLL_HELPER_EVENT_LAST,
VIRTIO_F_RING_EVENT_IDX, VIRTIO_F_VERSION_1,
ActivateResult, EpollHelper, EpollHelperError, EpollHelperHandler, VirtioCommon, VirtioDevice,
VirtioDeviceType, VirtioInterrupt, EPOLL_HELPER_EVENT_LAST, VIRTIO_F_RING_EVENT_IDX,
VIRTIO_F_VERSION_1,
};
use crate::{GuestMemoryMmap, GuestRegionMmap};
use net_util::{build_net_config_space, CtrlQueue, MacAddr, VirtioNetConfig};
@@ -29,7 +29,8 @@ use virtio_bindings::bindings::virtio_net::{
VIRTIO_NET_F_HOST_ECN, VIRTIO_NET_F_HOST_TSO4, VIRTIO_NET_F_HOST_TSO6, VIRTIO_NET_F_HOST_UFO,
VIRTIO_NET_F_MAC, VIRTIO_NET_F_MRG_RXBUF,
};
use vm_memory::{ByteValued, GuestAddressSpace, GuestMemoryAtomic};
use virtio_queue::Queue;
use vm_memory::{ByteValued, GuestMemoryAtomic};
use vm_migration::{
protocol::MemoryRangeTable, Migratable, MigratableError, Pausable, Snapshot, Snapshottable,
Transportable, VersionMapped,
@@ -62,7 +63,7 @@ pub struct NetCtrlEpollHandler {
pub pause_evt: EventFd,
pub ctrl_q: CtrlQueue,
pub queue_evt: EventFd,
pub queue: Queue,
pub queue: Queue<GuestMemoryAtomic<GuestMemoryMmap>>,
}
impl NetCtrlEpollHandler {
@@ -84,12 +85,11 @@ impl EpollHelperHandler for NetCtrlEpollHandler {
let ev_type = event.data as u16;
match ev_type {
CTRL_QUEUE_EVENT => {
let mem = self.mem.memory();
if let Err(e) = self.queue_evt.read() {
error!("failed to get ctl queue event: {:?}", e);
return true;
}
if let Err(e) = self.ctrl_q.process(&mem, &mut self.queue) {
if let Err(e) = self.ctrl_q.process(&mut self.queue) {
error!("failed to process ctrl queue: {:?}", e);
return true;
}
@@ -308,7 +308,7 @@ impl VirtioDevice for Net {
&mut self,
mem: GuestMemoryAtomic<GuestMemoryMmap>,
interrupt_cb: Arc<dyn VirtioInterrupt>,
mut queues: Vec<Queue>,
mut queues: Vec<Queue<GuestMemoryAtomic<GuestMemoryMmap>>>,
mut queue_evts: Vec<EventFd>,
) -> ActivateResult {
self.common.activate(&queues, &queue_evts, &interrupt_cb)?;