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Adjust dependencies to use the crosvm-local crates.
The tempfile interface is subtly different use the crosvm implementation
to avoid a dependency on `rand`. Using a temporary directory avoids any
chance of name collision with using rand to generate a string for a
socket name.
Some of the ScmSocket interfaces have changed and needed updating
on both ends.
BUG=b:181227406
TEST=cargo test
Change-Id: Idee69f0c561642954ac1fa05c2951949e3b74fb5
Cq-Depend: chromium:2740533
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/rust-vmm/vhost/+/2717529
Tested-by: Dylan Reid <dgreid@chromium.org>
Commit-Queue: Keiichi Watanabe <keiichiw@chromium.org>
Reviewed-by: Keiichi Watanabe <keiichiw@chromium.org>
Reviewed-by: Chirantan Ekbote <chirantan@chromium.org>
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Upgrade Cargo.toml to rust edition 2018. Also introduce a helper
feature flag "vhost-user" to simplify code.
Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
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Originally the VhostBackend trait is designed to take a mutable self,
which causes a common usage pattern Arc<RwLock<T: VhostBackend>>.
This pattern may enforce serialization among multiple threads. So
rename the original VhostBackend as VhostBackendMut, and introduce a
new VhostBackend trait with interior mutability to improve performance
by removing the serialization.
Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
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The ring addresses in VringConfigData are host virtual addresses,
and the kernel vhost drivers also expect those addresses as HVA.
So it's wrong to validate/translate those addresses as GPA.
Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
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These interfaces are derived from the firecracker and crosvm projects.
They may be extended when enable support of vhost-user protocol.
Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
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