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216 Commits

Author SHA1 Message Date
dependabot-preview[bot]
d756844096 build(deps): bump getrandom from 0.1.13 to 0.1.14 
Bumps [getrandom](https://github.com/rust-random/getrandom) from 0.1.13 to 0.1.14.
- [Release notes](https://github.com/rust-random/getrandom/releases)
- [Changelog](https://github.com/rust-random/getrandom/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-random/getrandom/compare/v0.1.13...v0.1.14)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-01-07 13:54:27 +00:00
dependabot-preview[bot]
9d3f656572 build(deps): bump cc from 1.0.48 to 1.0.49 
Bumps [cc](https://github.com/alexcrichton/cc-rs) from 1.0.48 to 1.0.49.
- [Release notes](https://github.com/alexcrichton/cc-rs/releases)
- [Commits](https://github.com/alexcrichton/cc-rs/compare/1.0.48...1.0.49)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-01-07 08:14:13 +00:00
dependabot-preview[bot]
f59665e8aa build(deps): bump epoll from 4.0.1 to 4.1.0 
Bumps [epoll](https://github.com/nathansizemore/epoll) from 4.0.1 to 4.1.0.
- [Release notes](https://github.com/nathansizemore/epoll/releases)
- [Commits](https://github.com/nathansizemore/epoll/compare/4.0.1...4.1.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-01-07 07:39:59 +00:00
dependabot-preview[bot]
9482ded365 build(deps): bump micro_http from aec25f9 to 2953365 
Bumps [micro_http](https://github.com/firecracker-microvm/firecracker) from `aec25f9` to `2953365`.
- [Release notes](https://github.com/firecracker-microvm/firecracker/releases)
- [Commits](aec25f9e5a...29533658e5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-01-07 07:08:03 +00:00
dependabot-preview[bot]
e4ea60dd96 build(deps): bump rand from 0.7.0 to 0.7.2 
Bumps [rand](https://github.com/rust-random/rand) from 0.7.0 to 0.7.2.
- [Release notes](https://github.com/rust-random/rand/releases)
- [Changelog](https://github.com/rust-random/rand/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-random/rand/compare/0.7.0...0.7.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-01-06 08:32:44 +00:00
dependabot-preview[bot]
44dd056647 build(deps): bump remain from 0.1.5 to 0.2.0 
Bumps [remain](https://github.com/dtolnay/remain) from 0.1.5 to 0.2.0.
- [Release notes](https://github.com/dtolnay/remain/releases)
- [Commits](https://github.com/dtolnay/remain/compare/0.1.5...0.2.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-01-06 08:26:02 +00:00
dependabot-preview[bot]
091c9d9f93 build(deps): bump pnet from 0.22.0 to 0.23.0 
Bumps [pnet](https://github.com/libpnet/libpnet) from 0.22.0 to 0.23.0.
- [Release notes](https://github.com/libpnet/libpnet/releases)
- [Commits](https://github.com/libpnet/libpnet/commits/v0.23.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-01-06 07:53:56 +00:00
dependabot-preview[bot]
d8c3912a18 build(deps): bump micro_http from be97831 to aec25f9 
Bumps [micro_http](https://github.com/firecracker-microvm/firecracker) from `be97831` to `aec25f9`.
- [Release notes](https://github.com/firecracker-microvm/firecracker/releases)
- [Commits](be978312ea...aec25f9e5a)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-01-06 07:26:24 +00:00
dependabot-preview[bot]
1a28f64d5d build(deps): bump atty from 0.2.13 to 0.2.14 
Bumps [atty](https://github.com/softprops/atty) from 0.2.13 to 0.2.14.
- [Release notes](https://github.com/softprops/atty/releases)
- [Changelog](https://github.com/softprops/atty/blob/master/CHANGELOG.md)
- [Commits](https://github.com/softprops/atty/compare/0.2.13...0.2.14)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-01-06 07:26:09 +00:00
dependabot-preview[bot]
8f6cbf849a build(deps): bump vm-memory from 291dc2e to 467eda6 
Bumps [vm-memory](https://github.com/rust-vmm/vm-memory) from `291dc2e` to `467eda6`.
- [Release notes](https://github.com/rust-vmm/vm-memory/releases)
- [Commits](291dc2e236...467eda62ae)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-01-06 07:25:53 +00:00
dependabot-preview[bot]
5a0d01ca13 build(deps): bump blake2b_simd from 0.5.9 to 0.5.10 
Bumps [blake2b_simd](https://github.com/oconnor663/blake2_simd) from 0.5.9 to 0.5.10.
- [Release notes](https://github.com/oconnor663/blake2_simd/releases)
- [Commits](https://github.com/oconnor663/blake2_simd/compare/0.5.9...0.5.10)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-01-05 09:03:50 +00:00
dependabot-preview[bot]
38c0d328c2 build(deps): bump syn from 1.0.12 to 1.0.13 
Bumps [syn](https://github.com/dtolnay/syn) from 1.0.12 to 1.0.13.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/1.0.12...1.0.13)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-01-03 17:50:44 +00:00
Rob Bradford
b2589d4f3f vm-virtio, vmm, vfio: Store GuestMemoryMmap in an Arc<ArcSwap<T>> 
This allows us to change the memory map that is being used by the
devices via an atomic swap (by replacing the map with another one). The
ArcSwap provides the mechanism for atomically swapping from to another
whilst still giving good read performace. It is inside an Arc so that we
can use a single ArcSwap for all users.

Not covered by this change is replacing the GuestMemoryMmap itself.

This change also removes some vertical whitespace from use blocks in the
files that this commit also changed. Vertical whitespace was being used
inconsistently and broke rustfmt's behaviour of ordering the imports as
it would only do it within the block.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-01-02 13:20:11 +00:00
dependabot-preview[bot]
5c0bb38a65 build(deps): bump vm-memory from 09c119f to 291dc2e 
Bumps [vm-memory](https://github.com/rust-vmm/vm-memory) from `09c119f` to `291dc2e`.
- [Release notes](https://github.com/rust-vmm/vm-memory/releases)
- [Commits](09c119f742...291dc2e236)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-01-02 08:03:05 +00:00
dependabot-preview[bot]
b9971302be build(deps): bump syn from 1.0.11 to 1.0.12 
Bumps [syn](https://github.com/dtolnay/syn) from 1.0.11 to 1.0.12.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/1.0.11...1.0.12)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-01-02 08:02:34 +00:00
dependabot-preview[bot]
fda8a04ec2 build(deps): bump vm-memory from 3ef06be to 09c119f 
Bumps [vm-memory](https://github.com/rust-vmm/vm-memory) from `3ef06be` to `09c119f`.
- [Release notes](https://github.com/rust-vmm/vm-memory/releases)
- [Commits](3ef06beaea...09c119f742)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-26 07:07:41 +00:00
dependabot-preview[bot]
34e35c9ae0 build(deps): bump anyhow from 1.0.25 to 1.0.26 
Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.25 to 1.0.26.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](https://github.com/dtolnay/anyhow/compare/1.0.25...1.0.26)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-24 07:00:35 +00:00
dependabot-preview[bot]
95352db1e5 build(deps): bump vm-memory from ec69de9 to 3ef06be 
Bumps [vm-memory](https://github.com/rust-vmm/vm-memory) from `ec69de9` to `3ef06be`.
- [Release notes](https://github.com/rust-vmm/vm-memory/releases)
- [Commits](ec69de9c07...3ef06beaea)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-24 07:00:00 +00:00
dependabot-preview[bot]
bcfe546ea2 build(deps): bump vm-memory from bb29ec8 to ec69de9 
Bumps [vm-memory](https://github.com/rust-vmm/vm-memory) from `bb29ec8` to `ec69de9`.
- [Release notes](https://github.com/rust-vmm/vm-memory/releases)
- [Commits](bb29ec8713...ec69de9c07)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-23 07:11:13 +00:00
Sebastien Boeuf
43d2e09e1f ci: Add unit tests to compare CLI and OpenAPI 
The goal here is to ensure that CLI and OpenAPI both behave as closely
as possible, and also that they behave as expected.

Leveraging the reorganization of the code, we can now compare two
VmConfig structures generated from one CLI entry on one side, and from
an OpenAPI entry (JSON payload) on the other side.

Fixes #535

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2019-12-16 16:48:59 +01:00
Sebastien Boeuf
43bd0e53c4 main: Move VmParams creation into a dedicated function 
This brings more modularity to the code, which will be helpful when we
will later test the CLI and OpenAPI generate the same VmConfig output.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2019-12-16 16:48:59 +01:00
dependabot-preview[bot]
11750efb78 build(deps): bump log from 0.4.8 to 0.4.10 
Bumps [log](https://github.com/rust-lang/log) from 0.4.8 to 0.4.10.
- [Release notes](https://github.com/rust-lang/log/releases)
- [Changelog](https://github.com/rust-lang/log/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/log/compare/0.4.8...0.4.10)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-16 14:46:05 +00:00
dependabot-preview[bot]
dea5776fb9 build(deps): bump serde from 1.0.103 to 1.0.104 
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.103 to 1.0.104.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.103...v1.0.104)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-16 08:15:47 +00:00
dependabot-preview[bot]
7909f7a8c9 build(deps): bump serde_derive from 1.0.103 to 1.0.104 
Bumps [serde_derive](https://github.com/serde-rs/serde) from 1.0.103 to 1.0.104.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.103...v1.0.104)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-16 07:05:03 +00:00
Samuel Ortiz
fa0fdc6500 cargo: Update Cargo.lock for the 0.4.0 release 
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2019-12-13 12:21:13 +01:00
dependabot-preview[bot]
a002093a55 build(deps): bump anyhow from 1.0.23 to 1.0.25 
Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.23 to 1.0.25.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](https://github.com/dtolnay/anyhow/compare/1.0.23...1.0.25)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-13 08:29:30 +01:00
dependabot-preview[bot]
43f0478fa8 build(deps): bump thiserror from 1.0.6 to 1.0.9 
Bumps [thiserror](https://github.com/dtolnay/thiserror) from 1.0.6 to 1.0.9.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](https://github.com/dtolnay/thiserror/compare/1.0.6...1.0.9)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-13 06:38:08 +00:00
Samuel Ortiz
664431ff14 vsock: vhost_user: vfio: Fix potential host memory overflow 
The vsock packets that we're building are resolving guest addresses to
host ones and use the latter as raw pointers.
If the corresponding guest mapped buffer spans across several regions in
the guest, they will do so in the host as well. Since we have no
guarantees that host regions are contiguous, it may lead the VMM into
trying to access memory outside of its memory space.

For now we fix that by ensuring that the guest buffers do not span
across several regions. If they do, we error out.
Ideally, we should enhance the rust-vmm memory model to support safe
acces across host regions.

Fixes CVE-2019-18960

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2019-12-12 22:15:50 +01:00
Samuel Ortiz
37557c8b35 vmm: vm: Implement the Pausable trait 
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2019-12-12 08:50:36 +01:00
Samuel Ortiz
35dd1523c9 vmm: device_manager: Implement the Pausable trait 
Since the Snapshotable placeholder and Migratable traits are provided as
well, the DeviceManager object and all its objects are now Migratable.

All Migratable devices are tracked as Arc<Mutex<dyn Migratable>>
references.

Keeping track of all migratable devices allows for implementing the
Migratable trait for the DeviceManager structure, making the whole
device model potentially migratable.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2019-12-12 08:50:36 +01:00
Samuel Ortiz
0361df4ae0 vm-device: Initial Migratable trait 
The Migratable trait groups all expected capabilities of devices and
components that can be migrated.

For a component to be migrated, it must be able to pause and resume.
Once paused, it should be able to provide a snapshot of itself. It
should also be able to restore itself from a snaphot.

As a consequence, the Migratable trait will be split between the
Pausable and the Snapshotable traits. This commit only adds the
Pausable one.

All migratable devices will be tracked from the DeviceManager.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2019-12-12 08:50:36 +01:00
Rob Bradford
c61104df47 vmm: Port to latest vmm-sys-util 
The signal handling for vCPU signals has changed in the latest release
so switch to the new API.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2019-12-11 14:11:11 +00:00
dependabot-preview[bot]
0374c3dc71 build(deps): bump ssh2 from 0.5.0 to 0.6.0 
Bumps [ssh2](https://github.com/alexcrichton/ssh2-rs) from 0.5.0 to 0.6.0.
- [Release notes](https://github.com/alexcrichton/ssh2-rs/releases)
- [Commits](https://github.com/alexcrichton/ssh2-rs/compare/0.5.0...0.6.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-09 05:53:30 +00:00
dependabot-preview[bot]
904b1ea599 build(deps): bump unicode-width from 0.1.6 to 0.1.7 
Bumps [unicode-width](https://github.com/unicode-rs/unicode-width) from 0.1.6 to 0.1.7.
- [Release notes](https://github.com/unicode-rs/unicode-width/releases)
- [Commits](https://github.com/unicode-rs/unicode-width/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-05 23:19:28 +00:00
dependabot-preview[bot]
44d026bfb1 build(deps): bump serde_json from 1.0.43 to 1.0.44 
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.43 to 1.0.44.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.43...v1.0.44)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-04 22:53:40 +00:00
dependabot-preview[bot]
a1285ea57d build(deps): bump cc from 1.0.47 to 1.0.48 
Bumps [cc](https://github.com/alexcrichton/cc-rs) from 1.0.47 to 1.0.48.
- [Release notes](https://github.com/alexcrichton/cc-rs/releases)
- [Commits](https://github.com/alexcrichton/cc-rs/compare/1.0.47...1.0.48)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-04 16:57:32 +00:00
dependabot-preview[bot]
dcfd6ffd4b build(deps): bump serde_json from 1.0.42 to 1.0.43 
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.42 to 1.0.43.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.42...v1.0.43)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-04 11:31:05 +00:00
dependabot-preview[bot]
d378da64ee build(deps): bump vcpkg from 0.2.7 to 0.2.8 
Bumps [vcpkg](https://github.com/mcgoo/vcpkg-rs) from 0.2.7 to 0.2.8.
- [Release notes](https://github.com/mcgoo/vcpkg-rs/releases)
- [Changelog](https://github.com/mcgoo/vcpkg-rs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mcgoo/vcpkg-rs/compare/vcpkg-rs-0.2.7...vcpkg-rs-0.2.8)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-02 07:50:00 +00:00
dependabot-preview[bot]
b1cfdc761a build(deps): bump syn from 1.0.9 to 1.0.11 
Bumps [syn](https://github.com/dtolnay/syn) from 1.0.9 to 1.0.11.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/1.0.9...1.0.11)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-12-01 11:33:30 +00:00
Samuel Ortiz
0f21781fbe cargo: Bump the kvm and vmm-sys-util crates 
Since the kvm crates now depend on vmm-sys-util, the bump must be
atomic.
The kvm-bindings and ioctls 0.2.0 and 0.4.0 crates come with a few API
changes, one of them being the use of a kvm_ioctls specific error type.
Porting our code to that type makes for a fairly large diff stat.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2019-11-29 17:48:02 +00:00
dependabot-preview[bot]
ca97385da5 build(deps): bump libc from 0.2.65 to 0.2.66 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.65 to 0.2.66.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.65...0.2.66)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-11-29 13:00:02 +00:00
dependabot-preview[bot]
f7dace151c build(deps): bump syn from 1.0.8 to 1.0.9 
Bumps [syn](https://github.com/dtolnay/syn) from 1.0.8 to 1.0.9.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/1.0.8...1.0.9)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-11-29 08:48:13 +00:00
dependabot-preview[bot]
9fd5ea4951 build(deps): bump signal-hook from 0.1.11 to 0.1.12 
Bumps [signal-hook](https://github.com/vorner/signal-hook) from 0.1.11 to 0.1.12.
- [Release notes](https://github.com/vorner/signal-hook/releases)
- [Changelog](https://github.com/vorner/signal-hook/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vorner/signal-hook/compare/v0.1.11...v0.1.12)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-11-25 21:09:19 +00:00
dependabot-preview[bot]
d6d1074ca3 build(deps): bump serde_derive from 1.0.102 to 1.0.103 
Bumps [serde_derive](https://github.com/serde-rs/serde) from 1.0.102 to 1.0.103.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.102...v1.0.103)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-11-25 20:32:53 +00:00
dependabot-preview[bot]
4cff045cc6 build(deps): bump serde_json from 1.0.41 to 1.0.42 
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.41 to 1.0.42.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.41...v1.0.42)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-11-25 19:54:16 +00:00
dependabot-preview[bot]
0ae9610e09 build(deps): bump serde from 1.0.102 to 1.0.103 
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.102 to 1.0.103.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.102...v1.0.103)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-11-25 18:52:45 +00:00
dependabot-preview[bot]
0274b7923b build(deps): bump signal-hook-registry from 1.1.1 to 1.2.0 
Bumps [signal-hook-registry](https://github.com/vorner/signal-hook) from 1.1.1 to 1.2.0.
- [Release notes](https://github.com/vorner/signal-hook/releases)
- [Changelog](https://github.com/vorner/signal-hook/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vorner/signal-hook/compare/registry-v1.1.1...registry-v1.2.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-11-25 17:15:16 +00:00
dependabot-preview[bot]
edd59a0f97 build(deps): bump remain from 0.1.4 to 0.1.5 
Bumps [remain](https://github.com/dtolnay/remain) from 0.1.4 to 0.1.5.
- [Release notes](https://github.com/dtolnay/remain/releases)
- [Commits](https://github.com/dtolnay/remain/compare/0.1.4...0.1.5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-11-25 17:11:41 +00:00
dependabot-preview[bot]
c718225c5f build(deps): bump openssl-sys from 0.9.52 to 0.9.53 
Bumps [openssl-sys](https://github.com/sfackler/rust-openssl) from 0.9.52 to 0.9.53.
- [Release notes](https://github.com/sfackler/rust-openssl/releases)
- [Commits](https://github.com/sfackler/rust-openssl/compare/openssl-sys-v0.9.52...openssl-sys-v0.9.53)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-11-25 17:06:23 +00:00
Sebastien Boeuf
e1fccc3615 vhost_user_fs: Add virtio descriptor helper traits 
Introduce helpers to split a virtio descriptor into its readable part on
one side, and into its writable part on the other side. This is useful
to separate the request from the reply.

This code has been ported over from crosvm commit
961461350c0b6824e5f20655031bf6c6bf6b7c30.

Two important modifications have been applied to the original code:
- GuestMemory is replaced by GuestMemoryMmap from the vm-memory crate,
  which comes with different ways of accessing the memory regions.
- VolatileSlice has different methods, which means the code has been
  updated accordingly.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2019-11-22 22:17:47 +01:00