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vhost_user_fs: Add support for indirect descriptors

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Now that Queue supports indirect descriptors, expose the feature and
support them in vhost_user_fs too.

Signed-off-by: Sergio Lopez <slp@redhat.com>
This commit is contained in:
Sergio Lopez
2020-02-21 11:54:35 +01:00
committed by Rob Bradford
parent ea0bc240fd
commit eae4f1d249
2 changed files with 23 additions and 3 deletions
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5
src/bin/vhost_user_fs.rs
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@@ -25,6 +25,7 @@ use vhost_user_fs::passthrough::{self, PassthroughFs};
use vhost_user_fs::server::Server;
use vhost_user_fs::Error as VhostUserFsError;
use virtio_bindings::bindings::virtio_net::*;
use virtio_bindings::bindings::virtio_ring::VIRTIO_RING_F_INDIRECT_DESC;
use vm_memory::GuestMemoryMmap;
use vmm_sys_util::eventfd::EventFd;
@@ -138,7 +139,9 @@ impl<F: FileSystem + Send + Sync + 'static> VhostUserBackend for VhostUserFsBack
}
fn features(&self) -> u64 {
1 << VIRTIO_F_VERSION_1 | VhostUserVirtioFeatures::PROTOCOL_FEATURES.bits()
1 << VIRTIO_F_VERSION_1
| 1 << VIRTIO_RING_F_INDIRECT_DESC
| VhostUserVirtioFeatures::PROTOCOL_FEATURES.bits()
}
fn protocol_features(&self) -> VhostUserProtocolFeatures {