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267 Commits

Author SHA1 Message Date
dependabot[bot]
28926c7454 build: bump clap from 3.1.15 to 3.1.17 
Bumps [clap](https://github.com/clap-rs/clap) from 3.1.15 to 3.1.17.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.1.15...v3.1.17)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-05-07 01:06:10 +00:00
dependabot[bot]
664c9e3eb3 build: bump clap from 3.1.14 to 3.1.15 
Bumps [clap](https://github.com/clap-rs/clap) from 3.1.14 to 3.1.15.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.1.14...v3.1.15)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-05-03 03:12:26 +00:00
dependabot[bot]
30e06eaaba build: bump log from 0.4.16 to 0.4.17 
Bumps [log](https://github.com/rust-lang/log) from 0.4.16 to 0.4.17.
- [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/commits/0.4.17)

---
updated-dependencies:
- dependency-name: log
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-05-03 01:00:20 +00:00
dependabot[bot]
960a9e0ff7 build: bump libc from 0.2.124 to 0.2.125 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.124 to 0.2.125.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.124...0.2.125)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-05-02 18:15:25 +00:00
dependabot[bot]
657660e5c2 build: bump clap from 3.1.13 to 3.1.14 
Bumps [clap](https://github.com/clap-rs/clap) from 3.1.13 to 3.1.14.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.1.13...v3.1.14)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-05-02 10:44:46 +00:00
dependabot[bot]
85a72efed7 build: bump clap from 3.1.12 to 3.1.13 
Bumps [clap](https://github.com/clap-rs/clap) from 3.1.12 to 3.1.13.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.1.12...v3.1.13)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-04-30 21:59:36 +00:00
dependabot[bot]
ec1679406e build: bump clap from 3.1.10 to 3.1.12 
Bumps [clap](https://github.com/clap-rs/clap) from 3.1.10 to 3.1.12.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.1.10...v3.1.12)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-04-23 20:13:14 +01:00
dependabot[bot]
de1af55e22 build: bump libc from 0.2.123 to 0.2.124 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.123 to 0.2.124.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.123...0.2.124)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-04-20 10:43:52 +00:00
dependabot[bot]
3952cc6629 build: bump clap from 3.1.9 to 3.1.10 
Bumps [clap](https://github.com/clap-rs/clap) from 3.1.9 to 3.1.10.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.1.9...v3.1.10)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-04-20 08:45:42 +00:00
dependabot[bot]
45d3db48cf build: bump clap from 3.1.8 to 3.1.9 
Bumps [clap](https://github.com/clap-rs/clap) from 3.1.8 to 3.1.9.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.1.8...v3.1.9)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-04-15 23:33:32 +00:00
dependabot[bot]
f8201bc151 build: bump libc from 0.2.122 to 0.2.123 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.122 to 0.2.123.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.122...0.2.123)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-04-13 10:13:32 +01:00
Bo Chen
85c068f769 vhost_user_block/net: Fix build from the target folder 
Signed-off-by: Bo Chen <chen.bo@intel.com>
 2022-04-11 22:52:47 +01:00
Wei Liu
7d7bfb2034 build: migrate to Rust 2021 edition 
Rust 2021 edition has a few improvements over the 2018 edition. Migrate
the project to 2021 edition by following recommended migration steps.
Luckily, the code itself doesn't require fixing.

Bump MSRV to 1.56 as it is required by the 2021 edition. Also fix the
clap build dependency to make Cloud Hypervisor build again.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-04-11 09:51:12 +01:00
dependabot[bot]
fe87812b34 build: bump libc from 0.2.121 to 0.2.122 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.121 to 0.2.122.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.121...0.2.122)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-04-07 01:12:12 +00:00
dependabot[bot]
16c525b2c0 build: bump clap from 3.1.7 to 3.1.8 
Bumps [clap](https://github.com/clap-rs/clap) from 3.1.7 to 3.1.8.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.1.7...v3.1.8)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-04-02 00:04:16 +00:00
dependabot[bot]
a575fd70ec build: bump clap from 3.1.6 to 3.1.7 
Bumps [clap](https://github.com/clap-rs/clap) from 3.1.6 to 3.1.7.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.1.6...v3.1.7)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-04-01 13:52:38 +00:00
dependabot[bot]
86a54a2658 build: bump log from 0.4.14 to 0.4.16 
Bumps [log](https://github.com/rust-lang/log) from 0.4.14 to 0.4.16.
- [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/commits)

---
updated-dependencies:
- dependency-name: log
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-03-25 18:26:18 +00:00
Sebastien Boeuf
8586c5497b deps: Update vhost and vhost-user-backend dependencies 
Rely on newly released versions of the vhost and vhost-user-backend
crates from rust-vmm.

The new vhost version includes the fixes needed for vDPA.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2022-03-25 17:51:07 +01:00
dependabot[bot]
f05a408a8d build: bump libc from 0.2.120 to 0.2.121 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.120 to 0.2.121.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.120...0.2.121)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-03-20 12:25:30 +00:00
dependabot[bot]
9c3f8cf2f5 build: bump libc from 0.2.119 to 0.2.120 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.119 to 0.2.120.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.119...0.2.120)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-03-15 00:21:58 +00:00
dependabot[bot]
08f4375177 build: bump clap from 3.1.5 to 3.1.6 
Bumps [clap](https://github.com/clap-rs/clap) from 3.1.5 to 3.1.6.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.1.5...v3.1.6)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-03-08 01:52:09 +00:00
Sebastien Boeuf
885dce4082 deps: Move to latest vm-virtio and vhost-user-backend releases 
Move to release version v0.2.0 for both vm-virtio and vhost-user-backend
crates rather than relying on their main branch, as they might be
subject to breaking changes.

Fixes #3800

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2022-03-07 13:30:42 +00:00
Rob Bradford
446d2c89d9 build: Use single version of vhost-user-backend 
Using multiple different versions breaks vendoring.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2022-03-03 17:46:28 +00:00
dependabot[bot]
40faac3d85 build: bump clap from 3.1.3 to 3.1.5 
Bumps [clap](https://github.com/clap-rs/clap) from 3.1.3 to 3.1.5.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.1.3...v3.1.5)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-03-02 23:50:35 +00:00
dependabot[bot]
a25b49e80c build: bump clap from 3.1.2 to 3.1.3 
Bumps [clap](https://github.com/clap-rs/clap) from 3.1.2 to 3.1.3.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.1.2...v3.1.3)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-03-01 09:10:36 +01:00
dependabot[bot]
f2dfb44d5c build: bump clap from 3.1.1 to 3.1.2 
Bumps [clap](https://github.com/clap-rs/clap) from 3.1.1 to 3.1.2.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.1.1...v3.1.2)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-02-24 01:10:05 +00:00
dependabot[bot]
81d53c5711 build: bump libc from 0.2.118 to 0.2.119 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.118 to 0.2.119.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.118...0.2.119)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-02-22 09:55:13 +00:00
dependabot[bot]
a6cd2e10c1 build: bump clap from 3.1.0 to 3.1.1 
Bumps [clap](https://github.com/clap-rs/clap) from 3.1.0 to 3.1.1.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/clap_complete-v3.1.0...v3.1.1)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-02-22 08:44:41 +00:00
Bo Chen
0ee8ead53d ch-remote, main, vhost_user: Fix deprecated APIs for clap v3.1.0 
Signed-off-by: Bo Chen <chen.bo@intel.com>
 2022-02-17 01:56:54 +00:00
dependabot[bot]
5fd49927f2 build: bump clap from 3.0.14 to 3.1.0 
Bumps [clap](https://github.com/clap-rs/clap) from 3.0.14 to 3.1.0.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.0.14...clap_complete-v3.1.0)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-02-17 01:56:54 +00:00
dependabot[bot]
07d78e6a12 build: bump libc from 0.2.117 to 0.2.118 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.117 to 0.2.118.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.117...0.2.118)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-02-16 09:28:41 +00:00
dependabot[bot]
8a066466ed build: bump libc from 0.2.116 to 0.2.117 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.116 to 0.2.117.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.116...0.2.117)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-02-02 23:46:18 +00:00
Sebastien Boeuf
ac00838f34 vhost_user_block: Rely on upstream vhost-user-backend crate 
Instead of relying on the local version of vhost-user-backend, this
patch allows the block backend implementation to rely on the upstream
version of the crate from rust-vmm.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2022-02-02 17:25:30 +01:00
dependabot[bot]
e575582dfa build: bump clap from 3.0.13 to 3.0.14 
Bumps [clap](https://github.com/clap-rs/clap) from 3.0.13 to 3.0.14.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.0.13...v3.0.14)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-02-01 23:35:12 +00:00
dependabot[bot]
400c28fa58 build: bump libc from 0.2.115 to 0.2.116 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.115 to 0.2.116.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.115...0.2.116)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-29 00:29:33 +00:00
dependabot[bot]
6cbe08fa40 build: bump libc from 0.2.114 to 0.2.115 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.114 to 0.2.115.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.114...0.2.115)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-28 00:10:41 +00:00
Sebastien Boeuf
3e1ce98d1a virtio-devices: block: Handle descriptor address translation 
Since we're trying to move away from the translation happening in the
virtio-queue crate, the device itself is performing the address
translation when needed.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2022-01-27 10:00:20 +00:00
dependabot[bot]
5ee0291ddc build: bump clap from 3.0.12 to 3.0.13 
Bumps [clap](https://github.com/clap-rs/clap) from 3.0.12 to 3.0.13.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.0.12...v3.0.13)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-27 00:37:42 +00:00
dependabot[bot]
816bf3abf0 build: bump libc from 0.2.113 to 0.2.114 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.113 to 0.2.114.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.113...0.2.114)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-26 13:06:50 +00:00
dependabot[bot]
74dabf5b90 build: bump clap from 3.0.10 to 3.0.12 
Bumps [clap](https://github.com/clap-rs/clap) from 3.0.10 to 3.0.12.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.0.10...v3.0.12)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-25 05:21:20 +00:00
dependabot[bot]
1f5e2a38a7 build: bump libc from 0.2.112 to 0.2.113 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.112 to 0.2.113.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.112...0.2.113)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-21 00:44:12 +00:00
dependabot[bot]
22d86fb6d2 build: bump clap from 3.0.8 to 3.0.10 
Bumps [clap](https://github.com/clap-rs/clap) from 3.0.8 to 3.0.10.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.0.8...v3.0.10)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-19 00:09:18 +00:00
dependabot[bot]
6e78ac1837 build: bump clap from 3.0.7 to 3.0.8 
Bumps [clap](https://github.com/clap-rs/clap) from 3.0.7 to 3.0.8.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.0.7...v3.0.8)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-18 00:28:25 +00:00
dependabot[bot]
2f492fbe36 build: bump clap from 3.0.6 to 3.0.7 
Bumps [clap](https://github.com/clap-rs/clap) from 3.0.6 to 3.0.7.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.0.6...v3.0.7)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-13 00:28:13 +00:00
dependabot[bot]
685ca03e67 build: bump clap from 3.0.5 to 3.0.6 
Bumps [clap](https://github.com/clap-rs/clap) from 3.0.5 to 3.0.6.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.0.5...v3.0.6)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-11 00:02:29 +00:00
dependabot[bot]
2c59702e4a build: bump clap from 3.0.4 to 3.0.5 
Bumps [clap](https://github.com/clap-rs/clap) from 3.0.4 to 3.0.5.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.0.4...v3.0.5)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-06 00:52:46 +00:00
dependabot[bot]
b72136ddb3 build: bump clap from 3.0.1 to 3.0.4 
Bumps [clap](https://github.com/clap-rs/clap) from 3.0.1 to 3.0.4.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/clap_complete-v3.0.1...v3.0.4)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-04 23:35:21 +00:00
dependabot[bot]
ccc9308ec1 build: bump clap from 3.0.0 to 3.0.1 
Bumps [clap](https://github.com/clap-rs/clap) from 3.0.0 to 3.0.1.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/clap_complete-v3.0.0...clap_complete-v3.0.1)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-04 01:31:14 +00:00
dependabot[bot]
346bee48ad build: bump clap from 2.34.0 to 3.0.0 
Bumps [clap](https://github.com/clap-rs/clap) from 2.34.0 to 3.0.0.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v2.34.0...clap_complete-v3.0.0)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2022-01-03 12:28:17 +00:00
Sebastien Boeuf
89af7dcb2b deps: Bump vm-memory to 0.7.0 
Updating Cloud Hypervisor to rely on vm-memory version 0.7.0.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-12-21 13:51:31 +01:00
dependabot[bot]
09d6cdb185 build: bump vhost from 0.2.0 to 0.3.0 
Bumps [vhost](https://github.com/rust-vmm/vhost) from 0.2.0 to 0.3.0.
- [Release notes](https://github.com/rust-vmm/vhost/releases)
- [Changelog](https://github.com/rust-vmm/vhost/blob/main/CHANGELOG.md)
- [Commits](https://github.com/rust-vmm/vhost/compare/v0.2.0...v0.3.0)

---
updated-dependencies:
- dependency-name: vhost
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-12-21 07:57:33 +00:00
dependabot[bot]
07a78842b5 build: bump libc from 0.2.109 to 0.2.112 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.109 to 0.2.112.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.109...0.2.112)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-12-14 02:30:54 +00:00
dependabot[bot]
616d01aca2 build: bump libc from 0.2.108 to 0.2.109 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.108 to 0.2.109.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.108...0.2.109)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-12-07 09:29:45 +00:00
dependabot[bot]
0a5111b6c3 build: bump clap from 2.33.3 to 2.34.0 
Bumps [clap](https://github.com/clap-rs/clap) from 2.33.3 to 2.34.0.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/commits)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-12-01 01:50:01 +00:00
dependabot[bot]
6b23227e10 build: bump libc from 0.2.107 to 0.2.108 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.107 to 0.2.108.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.107...0.2.108)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-11-23 00:05:13 +00:00
dependabot[bot]
b4f3e1c2a1 build: bump libc from 0.2.106 to 0.2.107 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.106 to 0.2.107.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.106...0.2.107)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-11-08 10:01:40 +00:00
dependabot[bot]
21706b02b8 build: bump libc from 0.2.105 to 0.2.106 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.105 to 0.2.106.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.105...0.2.106)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-11-02 06:30:25 +00:00
dependabot[bot]
b5d5ffa969 build: bump libc from 0.2.104 to 0.2.105 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.104 to 0.2.105.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.104...0.2.105)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-10-26 01:32:06 +00:00
Sebastien Boeuf
0249e8641a Move Cloud Hypervisor to virtio-queue crate 
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>
 2021-10-22 11:38:55 +02:00
Sebastien Boeuf
7f0e7d19a6 Revert "build: bump vm-memory from 0.6.0 to 0.7.0" 
This was causing some issues because of the use of 2 different versions
for the vm-memmory crate. We'll wait for all dependencies to be properly
resolved before we move to 0.7.0.

This reverts commit 76b6c62d07.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-10-22 11:09:36 +02:00
Bo Chen
76b6c62d07 build: bump vm-memory from 0.6.0 to 0.7.0 
Signed-off-by: Bo Chen <chen.bo@intel.com>
 2021-10-21 06:19:02 -07:00
dependabot[bot]
feed0efc60 build: bump libc from 0.2.103 to 0.2.104 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.103 to 0.2.104.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.103...0.2.104)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-10-19 11:06:10 +02:00
Sebastien Boeuf
30cafccd23 deps: Move to vhost 0.2.0 
There's no need to patch the vhost crate anymore since the fixes we were
looking for have been released as part of 0.2.0 on crates.io.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-10-07 13:33:35 +01:00
dependabot[bot]
eda0dc20d3 build: bump libc from 0.2.102 to 0.2.103 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.102 to 0.2.103.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.102...0.2.103)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-09-28 10:45:35 +00:00
dependabot[bot]
f67b3f79ea build: bump vmm-sys-util from 0.8.0 to 0.9.0 
Bumps [vmm-sys-util](https://github.com/rust-vmm/vmm-sys-util) from 0.8.0 to 0.9.0.
- [Release notes](https://github.com/rust-vmm/vmm-sys-util/releases)
- [Changelog](https://github.com/rust-vmm/vmm-sys-util/blob/main/CHANGELOG.md)
- [Commits](https://github.com/rust-vmm/vmm-sys-util/compare/v0.8.0...v0.9.0)

---
updated-dependencies:
- dependency-name: vmm-sys-util
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

This needed a bunch of manual updates as well, including vfio-ioctls and
vhost crates. The vhost crate is being patched with the latest version
from rust-vmm because the version 0.1.0 on crates.io doesn't include the
patches we need yet.

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-09-16 14:01:19 +01:00
dependabot[bot]
c1e896dddb build: bump libc from 0.2.101 to 0.2.102 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.101 to 0.2.102.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.101...0.2.102)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-09-15 17:23:46 +00:00
dependabot[bot]
f840335922 build: bump libc from 0.2.100 to 0.2.101 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.100 to 0.2.101.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.100...0.2.101)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-08-26 05:11:06 +00:00
dependabot[bot]
a969d5016c build: bump libc from 0.2.99 to 0.2.100 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.99 to 0.2.100.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.99...0.2.100)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-08-24 05:53:20 +00:00
Rob Bradford
77e147f333 build: Bump dependencies 
This has the side effect of also removing the vm-memory 0.5.0
dependency.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2021-08-10 15:24:28 +01:00
Rob Bradford
db2159b563 build: Switch to vhost 0.1.0 release 
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2021-08-06 11:02:04 -07:00
Rob Bradford
f7f2f25a57 build: Use fixed versions in Cargo.toml files 
This doesn't really affect the build as we ship a Cargo.lock with fixed
versions in. However for clarity it makes sense to use fixed versions
throughout and let dependabot update them.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2021-08-06 12:11:39 +02:00
Rob Bradford
b4f887ea80 build: Move from patched vm-memory version to released version 
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2021-08-06 10:08:58 +01:00
Alyssa Ross
b2cc45e0a3 vhost_user_*: set up logging 
These crates are written to produce log messages using the error!
macro, but their logs didn't actually go anywhere, which made it very
difficult to debug when they're not working.

I've used env_logger here because it's the same log implementation
that the hypervisor crate uses.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
 2021-08-05 09:24:32 +02:00
Alyssa Ross
deb4ad5e23 vhost_user_*: mark --*-backend as required 
I don't think the min_values(1) was doing anything, since
takes_value(true) was already set, and after this change I still get
an error if I try to supply the argument with no value.

But the unwrap below would fail if the argument wasn't supplied at
all.  By setting required(true) we get a nice message from clap
instead.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
 2021-08-04 17:17:40 +02:00
dependabot[bot]
5effa20a5b build: bump libc from 0.2.97 to 0.2.98 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.97 to 0.2.98.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.97...0.2.98)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-07-08 04:15:16 +00:00
Bo Chen
5825ab2dd4 clippy: Address the issue 'needless-borrow' 
Issue from beta verion of clippy:

Error:    --> vm-virtio/src/queue.rs:700:59
    |
700 |             if let Some(used_event) = self.get_used_event(&mem) {
    |                                                           ^^^^ help: change this to: `mem`
    |
    = note: `-D clippy::needless-borrow` implied by `-D warnings`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

Signed-off-by: Bo Chen <chen.bo@intel.com>
 2021-06-24 08:55:43 +02:00
dependabot[bot]
428c637506 build: bump libc from 0.2.96 to 0.2.97 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.96 to 0.2.97.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.96...0.2.97)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-06-14 09:50:38 +00:00
dependabot[bot]
c866ccb3a1 build: bump libc from 0.2.95 to 0.2.96 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.95 to 0.2.96.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.95...0.2.96)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-06-09 07:27:37 +00:00
Bo Chen
b5bcdbaf48 misc: Upgrade to use the vm-memory crate w/ dirty-page-tracking 
As the first step to complete live-migration with tracking dirty-pages
written by the VMM, this commit patches the dependent vm-memory crate to
the upstream version with the dirty-page-tracking capability. Most
changes are due to the updated `GuestMemoryMmap`, `GuestRegionMmap`, and
`MmapRegion` structs which are taking an additional generic type
parameter to specify what 'bitmap backend' is used.

The above changes should be transparent to the rest of the code base,
e.g. all unit/integration tests should pass without additional changes.

Signed-off-by: Bo Chen <chen.bo@intel.com>
 2021-06-03 08:34:45 +01:00
dependabot[bot]
dd92715ed2 build: Bump libc from 0.2.94 to 0.2.95 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.94 to 0.2.95.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.94...0.2.95)

Signed-off-by: dependabot[bot] <support@github.com>
 2021-05-26 07:18:40 +00:00
Sebastien Boeuf
c39d43dee1 vhost_user_blk: Extend list of supported virtio features 
Extend the current list of available virtio features in order to make it
work correctly with the VMM side.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-05-21 12:03:54 +02:00
Rob Bradford
496ceed1d0 misc: Remove unnecessary "extern crate" 
Now all crates use edition = "2018" then the majority of the "extern
crate" statements can be removed. Only those for importing macros need
to remain.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2021-05-12 17:26:11 +02:00
Sebastien Boeuf
904aea76ab vhost_user_backend: Rename start() to start_server() 
The point being to identify clearly that we're running the backend as a
server. This anticipates the addition of a new function for running the
backend as a client.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-05-05 16:05:51 +02:00
dependabot-preview[bot]
1bad026377 build(deps): bump libc from 0.2.93 to 0.2.94 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.93 to 0.2.94.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.93...0.2.94)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-04-28 07:02:14 +00:00
dependabot-preview[bot]
23411d45ba build(deps): bump libc from 0.2.92 to 0.2.93 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.92 to 0.2.93.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.92...0.2.93)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-04-06 17:03:25 +00:00
dependabot-preview[bot]
b8311cac38 build(deps): bump libc from 0.2.91 to 0.2.92 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.91 to 0.2.92.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.91...0.2.92)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-03-30 12:09:56 +00:00
Sebastien Boeuf
73e8fd4d72 clippy: Fix codebase to compile with beta toolchain 
Fixes the current codebase so that every cargo clippy can be run with
the beta toolchain without any error.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-03-29 15:56:23 +01:00
Rob Bradford
7d5d9bdcf4 vhost_user_block: Address Rust 1.51.0 clippy issue (redundant_slicing) 
error: redundant slicing of the whole range
   --> vhost_user_block/src/lib.rs:396:31
    |
396 |         right.copy_from_slice(&data[..]);
    |                               ^^^^^^^^^ help: use the original slice instead: `data`
    |
    = note: `-D clippy::redundant-slicing` implied by `-D warnings`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_slicing

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2021-03-26 11:32:09 +00:00
dependabot-preview[bot]
e9793020c2 build(deps): bump libc from 0.2.90 to 0.2.91 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.90 to 0.2.91.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.90...0.2.91)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-03-23 06:56:04 +00:00
dependabot-preview[bot]
e39924d45a build(deps): bump libc from 0.2.89 to 0.2.90 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.89 to 0.2.90.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.89...0.2.90)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-03-18 21:29:25 +00:00
dependabot-preview[bot]
c85fba0c43 build(deps): bump libc from 0.2.88 to 0.2.89 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.88 to 0.2.89.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.88...0.2.89)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-03-15 23:40:01 +00:00
Sebastien Boeuf
1e1cbc53c1 vhost_user_blk: Enable CONFIGURE_MEM_SLOTS protocol feature 
In order to support GET_MAX_MEM_SLOTS, ADD_MEM_REG and REM_MEM_REG, the
protocol feature CONFIGURE_MEM_SLOTS must be enabled.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-03-11 19:04:21 +01:00
dependabot-preview[bot]
ccfa34d066 build(deps): bump libc from 0.2.87 to 0.2.88 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.87 to 0.2.88.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.87...0.2.88)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-03-05 18:39:37 +00:00
dependabot-preview[bot]
d433ae1656 build(deps): bump libc from 0.2.86 to 0.2.87 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.86 to 0.2.87.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.86...0.2.87)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-03-02 11:14:57 +00:00
Sebastien Boeuf
fa8fcf5f4c vhost: Move to upstream crate 
The vhost crate from rust-vmm is ready, which is why we do the switch
from the Cloud Hypervisor fork to the upstream crate.

At the same time, we rename the crate from vhost_rs to vhost.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-02-25 11:20:41 +01:00
dependabot-preview[bot]
6d63018d9f build(deps): bump vm-memory from 0.4.0 to 0.5.0 
Bumps [vm-memory](https://github.com/rust-vmm/vm-memory) from 0.4.0 to 0.5.0.
- [Release notes](https://github.com/rust-vmm/vm-memory/releases)
- [Changelog](https://github.com/rust-vmm/vm-memory/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-vmm/vm-memory/compare/v0.4.0...v0.5.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-02-10 11:30:05 +00:00
dependabot-preview[bot]
aa3d5cfbfe build(deps): bump libc from 0.2.85 to 0.2.86 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.85 to 0.2.86.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.85...0.2.86)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-02-08 16:19:06 +00:00
dependabot-preview[bot]
89008a49cf build(deps): bump libc from 0.2.84 to 0.2.85 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.84 to 0.2.85.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.84...0.2.85)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-02-02 07:47:41 +00:00
dependabot-preview[bot]
1df952726a build(deps): bump libc from 0.2.83 to 0.2.84 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.83 to 0.2.84.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-01-29 06:21:38 +00:00
dependabot-preview[bot]
36360c7630 build(deps): bump libc from 0.2.82 to 0.2.83 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.82 to 0.2.83.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.82...0.2.83)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-01-28 06:30:03 +00:00
dependabot-preview[bot]
192d69d601 build(deps): bump log from 0.4.13 to 0.4.14 
Bumps [log](https://github.com/rust-lang/log) from 0.4.13 to 0.4.14.
- [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/0.4.13...0.4.14)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-01-27 12:48:52 +00:00
dependabot-preview[bot]
d26866e018 build(deps): bump libc from 0.2.81 to 0.2.82 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.81 to 0.2.82.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.81...0.2.82)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-01-12 07:06:21 +00:00
dependabot-preview[bot]
ab456affb3 build(deps): bump log from 0.4.11 to 0.4.13 
Bumps [log](https://github.com/rust-lang/log) from 0.4.11 to 0.4.13.
- [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/0.4.11...0.4.13)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-01-11 12:49:34 +00:00
Rob Bradford
a2e1e13918 vhost_user_block: Use struct instantiation rather than mut variable 
error: field assignment outside of initializer for an instance created with Default::default()
   --> vhost_user_block/src/lib.rs:223:9
    |
223 |         config.capacity = nsectors;
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: `-D clippy::field-reassign-with-default` implied by `-D warnings`
note: consider initializing the variable with `block_util::VirtioBlockConfig { capacity: nsectors, blk_size: BLK_SIZE, size_max: 65535, seg_max: 128 - 2, min_io_size: 1, opt_io_size: 1, num_queues: num_queues as u16, writeback: 1, ..Default::default() }` and removing relevant reassignments
   --> vhost_user_block/src/lib.rs:221:9
    |
221 |         let mut config = VirtioBlockConfig::default();
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#field_reassign_with_default

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2021-01-04 13:46:37 +01:00
Rob Bradford
9f2e7f455f block_util, vhost_user_block: Avoid unnecessary literal cast 
error: casting integer literal to `u64` is unnecessary
  --> block_util/src/lib.rs:35:30
   |
35 | pub const SECTOR_SIZE: u64 = (0x01 as u64) << SECTOR_SHIFT;
   |                              ^^^^^^^^^^^^^ help: try: `0x01_u64`
   |
   = note: `-D clippy::unnecessary-cast` implied by `-D warnings`
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2021-01-04 13:46:37 +01:00
dependabot-preview[bot]
b51f112629 build(deps): bump libc from 0.2.80 to 0.2.81 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.80 to 0.2.81.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.80...0.2.81)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-12-08 08:13:51 +00:00
Rob Bradford
ffaab46934 misc: Use a more relaxed memory model when possible 
When a total ordering between multiple atomic variables is not required
then use Ordering::Acquire with atomic loads and Ordering::Release with
atomic stores.

This will improve performance as this does not require a memory fence
on x86_64 which Ordering::SeqCst will use.

Add a comment to the code in the vCPU handling code where it operates on
multiple atomics to explain why Ordering::SeqCst is required.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-12-02 19:04:30 +01:00
Rob Bradford
40a2e3b462 vhost_user_block: Fix clippy issue 
Found by:  cargo clippy --all-features --all --tests

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-11-26 09:32:46 +01:00
Samuel Ortiz
1fc0b94fcd cargo: Move to crates.io vm-memory 0.4.0 
vm-memory 0.4.0 now contains all our fixes.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2020-11-23 10:55:13 +01:00
dependabot-preview[bot]
f0d0d8ccaf build(deps): bump libc from 0.2.79 to 0.2.80 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.79 to 0.2.80.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.79...0.2.80)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-10-26 09:31:03 +00:00
dependabot-preview[bot]
c2cc26fc82 build(deps): bump libc from 0.2.78 to 0.2.79 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.78 to 0.2.79.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.78...0.2.79)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-10-05 07:02:05 +00:00
Rob Bradford
6a9934d933 build: Fix vm-memory bump build error 
A new version of vm-memory was released upstream which resulted in some
components pulling in that new version. Update the version number used
to point to the latest version but continue to use our patched version
due to the fix for #1258

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-10-02 16:38:02 +01:00
dependabot-preview[bot]
76c3230e08 build(deps): bump libc from 0.2.77 to 0.2.78 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.77 to 0.2.78.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.77...0.2.78)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-10-01 05:40:02 +00:00
Rob Bradford
bd463324f3 build: Move to rust-vmm vhost crate 
There is no need to point at our forked version any longer.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-09-11 13:43:57 +02:00
dependabot-preview[bot]
f24a12913a build(deps): bump libc from 0.2.76 to 0.2.77 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.76 to 0.2.77.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.76...0.2.77)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-09-10 06:45:09 +00:00
dependabot-preview[bot]
57ff608be9 build(deps): bump libc from 0.2.74 to 0.2.76 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.74 to 0.2.76.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.74...0.2.76)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-08-21 07:08:35 +00:00
dependabot-preview[bot]
ebe61de0d1 build(deps): bump clap from 2.33.2 to 2.33.3 
Bumps [clap](https://github.com/clap-rs/clap) from 2.33.2 to 2.33.3.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-08-14 06:18:55 +00:00
dependabot-preview[bot]
8e8ec74b2a build(deps): bump clap from 2.33.1 to 2.33.2 
Bumps [clap](https://github.com/clap-rs/clap) from 2.33.1 to 2.33.2.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-08-05 20:36:12 +00:00
dependabot-preview[bot]
12c5b7668a build(deps): bump libc from 0.2.73 to 0.2.74 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.73 to 0.2.74.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.73...0.2.74)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-07-28 20:46:37 +00:00
dependabot-preview[bot]
12b37ef13b build(deps): bump libc from 0.2.72 to 0.2.73 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.72 to 0.2.73.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.72...0.2.73)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-07-20 05:15:24 +00:00
dependabot-preview[bot]
cc57467d10 build(deps): bump log from 0.4.8 to 0.4.11 
Bumps [log](https://github.com/rust-lang/log) from 0.4.8 to 0.4.11.
- [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...0.4.11)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-07-16 05:33:44 +00:00
Rob Bradford
9c867edc35 vhost_user_block, virtio-devices, block_util: Extract common block code 
Extract the code that is used by vhost_user_block from the
virtio-devices crate to remove the dependencies on unrequired
functionality such as the virtio transports.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-07-15 10:17:11 +01:00
Rob Bradford
4963e37dc8 qcow, virtio-devices: Break cyclic dependency 
Move the definition of RawFile from virtio-devices crate into qcow
crate. All the code that consumes RawFile also already depends on the
qcow crate for image file type detection so this change breaks the
need for the qcow crate to depend on the very large virtio-devices
crate.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-07-10 17:47:31 +02:00
dependabot-preview[bot]
861337cc6f build(deps): bump libc from 0.2.71 to 0.2.72 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.71 to 0.2.72.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.71...0.2.72)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-07-08 05:11:25 +00:00
Rob Bradford
b69f6d4f6c vhost_user_net, vhost_user_block, option_parser: Remove vmm dependency 
Remove the vmm dependency from vhost_user_block and vhost_user_net where
it was existing to use config::OptionParser. By moving the OptionParser
to its own crate at the top-level we can remove the very heavy
dependency that these vhost-user backends had.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-07-06 18:33:29 +01:00
Rob Bradford
72802b34cd vhost_user_block: Move binary into vhost_user_block crate 
The binary is still built in the same location but the source code and
the dependencies for it come from the vhost_user_block crate itself.

The binary will be built with:

`cargo build --all --bin vhost_user_block` or just `cargo build --all`

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-07-06 10:56:10 +02:00
Rob Bradford
2a6eb31d5b vm-virtio, virtio-devices: Split device implementation from virt queues 
Split the generic virtio code (queues and device type) from the
VirtioDevice trait, transport and device implementations.

This also simplifies the feature handling in vhost_user_backend as the
vm-virtio crate is no longer has any features.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-07-02 17:09:28 +01:00
dependabot-preview[bot]
aac87196d6 build(deps): bump vm-memory from 0.2.0 to 0.2.1 
Bumps [vm-memory](https://github.com/rust-vmm/vm-memory) from 0.2.0 to 0.2.1.
- [Release notes](https://github.com/rust-vmm/vm-memory/releases)
- [Changelog](https://github.com/rust-vmm/vm-memory/blob/v0.2.1/CHANGELOG.md)
- [Commits](https://github.com/rust-vmm/vm-memory/compare/v0.2.0...v0.2.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-05-28 17:06:48 +01:00
Rob Bradford
c31ad72ee9 build: Address issues found by 1.43.0 clippy 
These are mostly due to use of "bare use" statements and unnecessary vector
creation.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-05-27 19:32:12 +02:00
dependabot-preview[bot]
a4bb96d45c build(deps): bump libc from 0.2.70 to 0.2.71 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.70 to 0.2.71.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.70...0.2.71)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-05-27 09:02:13 +02:00
Rob Bradford
dc66eee8f0 vhost_user_block: Ensure backing file consistency 
Correctly implement the virtio specification by setting the writeback
field on the request based on the algorithm in the spec.

TEST=Boot with hypervisor-firmware with CH in verbose mode. See info
level messages saying cache mode is writethrough in firmware (no support
for flush or WCE). Once in the Linux kernel see messages that mode is
writeback.

Fixes: #1216

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-05-21 08:40:43 +02:00
Rob Bradford
9d88ba7afb vhost_user_block: Use VirtioBlockConfig from vm-virtio 
Use the same definition of the struct as vm-virtio.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-05-21 08:40:43 +02:00
Rob Bradford
a813b57f59 vm-virtio, vhost_user_{fs,block,backend}: Move EVENT_IDX handling 
Move the method that is used to decide whether the guest should be
signalled into the Queue implementation from vm-virtio. This removes
duplicated code between vhost_user_backend and the vm-virtio block
implementation.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-05-20 12:56:25 +02:00
Rob Bradford
e6fd6d6360 vhost_user_block: Implement VIRTIO_BLK_F_FLUSH 
As the parsing code is reused the flush feature is already implemented
and ready to be used.

Fixes: #1197

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-05-18 13:11:00 +01:00
Sergio Lopez
c4bf383fd7 vhost_user_*: Create a vhost::Listener in advance 
Changes is vhost crate require VhostUserDaemon users to create and
provide a vhost::Listener in advance. This allows us to adopt
sandboxing strategies in the future, by being able to create the UNIX
socket before switching to a restricted namespace.

Update also the reference to vhost crate in Cargo.lock to point to the
latest commit from the dragonball branch.

Signed-off-by: Sergio Lopez <slp@redhat.com>
 2020-05-14 17:16:23 +02:00
dependabot-preview[bot]
2991fd2a48 build(deps): bump libc from 0.2.69 to 0.2.70 
Bumps [libc](https://github.com/rust-lang/libc) from 0.2.69 to 0.2.70.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.69...0.2.70)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2020-05-12 20:26:43 +02:00
Rob Bradford
b57eeb9628 vhost_user_block: Add "queue_size" to --block-backend 
This allows the configuration of the queue size like other backends.

Fixes: #1131

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-05-11 09:40:40 +02:00
Rob Bradford
5016fcf8d5 vhost_user_block: Use config::OptionParser to simplify block backend parsing 
Switch to using the recently added OptionParser in the code that parses
the block backend.

Fixes: #1092

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-05-11 09:40:40 +02:00
Rob Bradford
f3f398eb44 vhost_user_block: Consolidate the vhost-user-block backend syntax 
Rather than repeat syntax for the vhost-user-block backend in multiple
places store it in one place and reference it from the required places.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-05-11 09:40:40 +02:00
Rob Bradford
d5bfa2dfc8 vmm, vhost_user_block: Make parameter names match --disk 
Make the --block-backend parameters match the --disk parameters.

Fixes: #898

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-04-30 15:20:55 +02:00
Sebastien Boeuf
a517be4eac vhost_user_blk: Add multithreaded multiqueue support 
After all the previous refactoring patches, we can finally create
multiple threads under the same backend. This is directly combined with
multiqueues so that it will create one thread per queue.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2020-04-17 12:52:28 +02:00
Sebastien Boeuf
13c8283fbe vhost_user_blk: Make everything private when possible 
Doing some cleanup as most of the code does not need to be public.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2020-04-17 12:52:28 +02:00
Sebastien Boeuf
a31f5f8106 vhost_user_blk: Move disk initialization to VhostUserBlkBackend 
Anticipating the follow up patches to run multiple threads for the same
backend, we need the initialization of the disk to happen in the high
level structure VhostUserBlkBackend.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2020-04-17 12:52:28 +02:00
Sebastien Boeuf
e78e34b36a vhost_user_blk: Make DiskFile sharable across threads 
The DiskFile will need to be shared across multiple threads when running
multiple queues across these threads. That's why it needs to be put
inside an Arc. The reason for the Mutex is because execute() expects a
mutable object implementing Read + Write + Seek. Unfortunately, this
create a contention point as the object needs to be locked from each
thread, reducing the performance gain we will get with multiple threads.

The need for an immutable object would solve this problem, and it will
be addressed later through follow up patches.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2020-04-17 12:52:28 +02:00
Sebastien Boeuf
808586ece7 vhost_user_blk: Simplify the code by removing VringWorker 
There is no need for retrieving the VringWorker since we don't need to
register some extra file descriptors to the epoll loop.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2020-04-17 12:52:28 +02:00
Sebastien Boeuf
1a0a2c0182 vhost_user_backend: Provide the thread ID to handle_event() 
By adding a "thread_id" parameter to handle_event(), the backend crate
can now indicate to the backend implementation which thread triggered
the processing of some events.

This is applied to vhost-user-net backend and allows for simplifying a
lot the code since each thread is identical.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2020-04-14 14:11:41 +02:00
Sebastien Boeuf
cfffb7edb0 vhost_user_backend: Allow for one exit_event per thread 
By adding the "thread_index" parameter to the function exit_event() from
the VhostUserBackend trait, the backend crate now has the ability to ask
the backend implementation about the exit event related to a specific
thread.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2020-04-14 14:11:41 +02:00
Sebastien Boeuf
cd2b03f6ed vhost_user_backend: Return a list of vring workers 
Now that multiple worker threads can be run from the backend crate, it
is important that each backend implementation can access every worker
thread.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2020-04-14 14:11:41 +02:00
Sebastien Boeuf
40e4dc6339 vhost_user_backend: Change handle_event as immutable 
By changing the mutability of this function, after adapting all
backends, we should be able to implement multithreads with
multiqueues support without hitting a bottleneck on the backend
locking.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2020-04-14 14:11:41 +02:00
Sebastien Boeuf
8f434df1fb vhost_user: Adapt backends to let handle_event be immutable 
Both blk, net and fs backends have been updated to avoid the requirement
of having handle_event(&mut self). This will allow the backend crate to
avoid taking a write lock onto the backend object, which will remove the
potential contention point when multiple threads will be handling
multiqueues.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2020-04-14 14:11:41 +02:00