Commit Graph

4898 Commits

Author SHA1 Message Date
Sebastien Boeuf
210a29f05c tests: Disable test_vfio_user
The test test_vfio_user is flaky, let's disable it until we find the
right way to fix it.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
2022-01-03 12:59:23 +01:00
Sebastien Boeuf
21a21ce51a tests: Disable test_virtio_block_topology for aarch64
The test test_virtio_block_topology is flaky on aarch64, let's disable
it until we find the right way to fix it.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
2022-01-03 12:59:23 +01:00
Henry Wang
877a537bf7 docs/arm64: Document the hardware constraints
There is a corner case of using the Cloud Hypervisor on AArch64:
If the VM is started on a device where RAM is limited, and if the user
allocates nearly as much memory for the guest as is still free on the
host, we need to enable the swap memory.

This commit documented this corner case with explanation.

Also, this commit corrects the hardware requirement of the GIC interrupt
controller for running the Cloud Hypervisor on AArch64, accroding to
[1].

Fixes: https://github.com/cloud-hypervisor/cloud-hypervisor/issues/3419

Signed-off-by: Henry Wang <Henry.Wang@arm.com>

[1] https://www.kernel.org/doc/html/latest/virt/kvm/devices/arm-vgic-its.html
2021-12-28 21:00:43 +08:00
dependabot[bot]
5a1e9c9bff build: bump proc-macro2 from 1.0.34 to 1.0.36
Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.34 to 1.0.36.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](https://github.com/dtolnay/proc-macro2/compare/1.0.34...1.0.36)

---
updated-dependencies:
- dependency-name: proc-macro2
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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2021-12-28 07:37:35 +00:00
dependabot[bot]
a45939fb40 build: bump quote from 1.0.10 to 1.0.14 in /fuzz
Bumps [quote](https://github.com/dtolnay/quote) from 1.0.10 to 1.0.14.
- [Release notes](https://github.com/dtolnay/quote/releases)
- [Commits](https://github.com/dtolnay/quote/compare/1.0.10...1.0.14)

---
updated-dependencies:
- dependency-name: quote
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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2021-12-28 06:07:54 +00:00
dependabot[bot]
b85d29780f build: bump syn from 1.0.83 to 1.0.84
Bumps [syn](https://github.com/dtolnay/syn) from 1.0.83 to 1.0.84.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/1.0.83...1.0.84)

---
updated-dependencies:
- dependency-name: syn
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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2021-12-28 04:59:48 +00:00
dependabot[bot]
b3351e11b3 build: bump proc-macro2 from 1.0.34 to 1.0.36 in /fuzz
Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.34 to 1.0.36.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](https://github.com/dtolnay/proc-macro2/compare/1.0.34...1.0.36)

---
updated-dependencies:
- dependency-name: proc-macro2
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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2021-12-28 04:30:48 +00:00
dependabot[bot]
05720dbf25 build: bump syn from 1.0.83 to 1.0.84 in /fuzz
Bumps [syn](https://github.com/dtolnay/syn) from 1.0.83 to 1.0.84.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/1.0.83...1.0.84)

---
updated-dependencies:
- dependency-name: syn
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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2021-12-28 03:40:51 +00:00
dependabot[bot]
d7ba8ad1fa build: bump syn from 1.0.82 to 1.0.83 in /fuzz
Bumps [syn](https://github.com/dtolnay/syn) from 1.0.82 to 1.0.83.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/1.0.82...1.0.83)

---
updated-dependencies:
- dependency-name: syn
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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2021-12-24 00:49:52 +00:00
dependabot[bot]
748611752d build: bump anyhow from 1.0.51 to 1.0.52
Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.51 to 1.0.52.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](https://github.com/dtolnay/anyhow/compare/1.0.51...1.0.52)

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

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2021-12-24 00:22:38 +00:00
dependabot[bot]
9c5636204d build: bump syn from 1.0.82 to 1.0.83
Bumps [syn](https://github.com/dtolnay/syn) from 1.0.82 to 1.0.83.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/1.0.82...1.0.83)

---
updated-dependencies:
- dependency-name: syn
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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2021-12-23 23:58:22 +00:00
dependabot[bot]
fbbbd04ddf build: bump anyhow from 1.0.51 to 1.0.52 in /fuzz
Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.51 to 1.0.52.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](https://github.com/dtolnay/anyhow/compare/1.0.51...1.0.52)

---
updated-dependencies:
- dependency-name: anyhow
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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2021-12-23 23:39:08 +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]
8737ca4d45 build: bump vfio-bindings from 0.2.0 to 0.3.1 in /fuzz
Bumps [vfio-bindings](https://github.com/rust-vmm/vfio) from 0.2.0 to 0.3.1.
- [Release notes](https://github.com/rust-vmm/vfio/releases)
- [Commits](https://github.com/rust-vmm/vfio/commits/vfio-bindings-v0.3.1)

---
updated-dependencies:
- dependency-name: vfio-bindings
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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2021-12-21 12:33:52 +01:00
dependabot[bot]
d186297dba build: bump vhost from 0.2.0 to 0.3.0 in /fuzz
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: indirect
  update-type: version-update:semver-minor
...

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2021-12-21 12:29:34 +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
...

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2021-12-21 07:57:33 +00:00
dependabot[bot]
c40c1778e5 build: bump vfio-bindings from 0.2.0 to 0.3.1
Bumps [vfio-bindings](https://github.com/rust-vmm/vfio) from 0.2.0 to 0.3.1.
- [Release notes](https://github.com/rust-vmm/vfio/releases)
- [Commits](https://github.com/rust-vmm/vfio/commits/vfio-bindings-v0.3.1)

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

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2021-12-21 07:37:44 +00:00
dependabot[bot]
58a2abbba2 build: bump signal-hook from 0.3.12 to 0.3.13 in /fuzz
Bumps [signal-hook](https://github.com/vorner/signal-hook) from 0.3.12 to 0.3.13.
- [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/v0.3.12...v0.3.13)

---
updated-dependencies:
- dependency-name: signal-hook
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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2021-12-21 00:31:07 +00:00
dependabot[bot]
b6159217b6 build: bump signal-hook from 0.3.12 to 0.3.13
Bumps [signal-hook](https://github.com/vorner/signal-hook) from 0.3.12 to 0.3.13.
- [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/v0.3.12...v0.3.13)

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

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2021-12-21 00:00:11 +00:00
Rob Bradford
7bb828ecf2 build: Remove io_uring feature flag
This has been part of the default features for a long time and is widely
tested.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-17 13:34:17 +01:00
Sebastien Boeuf
4a47cdcebd vmm: tdx: Make sure a TDX enabled binary can be used for non-TDX
It's important to maintain the ability to run in a non-TDX environment
a Cloud Hypervisor binary with the 'tdx' feature enabled.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
2021-12-17 12:52:40 +01:00
Rob Bradford
8813456aef block_util: Move block device detection into it's own function
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-17 12:42:10 +01:00
Rob Bradford
6c8bd1f476 block_util: Remove duplicated logic for block size ioctls
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-17 12:42:10 +01:00
Rob Bradford
6a76a6772d tests: Add integration test for virtio-block topology
This test relies on using losetup with a block size to create a block
device from a file that has a specific block size for the topology
detection code to pick up and passthrough to the guest.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-17 12:42:10 +01:00
Rob Bradford
cbc388c7e2 vmm: Add ioctls to seccomp filter for block topology detection
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-17 12:42:10 +01:00
Rob Bradford
4773e23c77 virtio-devices: block: Expose device topology
If the disk is backed by a block device on the host a non-default
topology will be available and that topology can be advertised by virtio
block.

Fixes: #3262

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-17 12:42:10 +01:00
Rob Bradford
3b0d278ba3 block_util: Implement DiskFile::topology() for raw file types
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-17 12:42:10 +01:00
Rob Bradford
443b64b04f block_util: Implement DiskTopology::probe()
This method detects the underlying block topology if the disk is backed
by a block device.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-17 12:42:10 +01:00
Rob Bradford
ccccc94c8a block_util: Add ability to get block topology from a DiskFile
For simplicity this trait implements a default version that has a
topology with 512 byte (i.e. sector) recommended sizes.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-17 12:42:10 +01:00
dependabot[bot]
3f0a33a50f build: bump serde_derive from 1.0.131 to 1.0.132
Bumps [serde_derive](https://github.com/serde-rs/serde) from 1.0.131 to 1.0.132.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.131...v1.0.132)

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

Signed-off-by: dependabot[bot] <support@github.com>
2021-12-17 02:15:44 +00:00
dependabot[bot]
32aedddb0a build: bump serde from 1.0.131 to 1.0.132
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.131 to 1.0.132.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.131...v1.0.132)

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

Signed-off-by: dependabot[bot] <support@github.com>
2021-12-17 01:44:29 +00:00
dependabot[bot]
fa15cf6ac3 build: bump serde_derive from 1.0.131 to 1.0.132 in /fuzz
Bumps [serde_derive](https://github.com/serde-rs/serde) from 1.0.131 to 1.0.132.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.131...v1.0.132)

---
updated-dependencies:
- dependency-name: serde_derive
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
2021-12-17 00:58:47 +00:00
dependabot[bot]
5c12c15f26 build: bump serde from 1.0.131 to 1.0.132 in /fuzz
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.131 to 1.0.132.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.131...v1.0.132)

---
updated-dependencies:
- dependency-name: serde
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
2021-12-17 00:11:21 +00:00
Rob Bradford
bde81405a8 vmm: seccomp: Remove fork & evecve syscalls
These were use for the self spawning vhost-user device feature that has
been removed.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-16 20:56:50 +01:00
dependabot[bot]
9742fa5c7c build: bump proc-macro2 from 1.0.33 to 1.0.34 in /fuzz
Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.33 to 1.0.34.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](https://github.com/dtolnay/proc-macro2/compare/1.0.33...1.0.34)

---
updated-dependencies:
- dependency-name: proc-macro2
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
2021-12-15 00:43:13 +00:00
dependabot[bot]
3806afdc43 build: bump once_cell from 1.8.0 to 1.9.0 in /fuzz
Bumps [once_cell](https://github.com/matklad/once_cell) from 1.8.0 to 1.9.0.
- [Release notes](https://github.com/matklad/once_cell/releases)
- [Changelog](https://github.com/matklad/once_cell/blob/master/CHANGELOG.md)
- [Commits](https://github.com/matklad/once_cell/compare/v1.8.0...v1.9.0)

---
updated-dependencies:
- dependency-name: once_cell
  dependency-type: indirect
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2021-12-15 00:02:08 +00:00
dependabot[bot]
c6ba188586 build: bump proc-macro2 from 1.0.33 to 1.0.34
Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.33 to 1.0.34.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](https://github.com/dtolnay/proc-macro2/compare/1.0.33...1.0.34)

---
updated-dependencies:
- dependency-name: proc-macro2
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
2021-12-14 23:48:09 +00:00
Rob Bradford
afe386bc13 vmm: Only warn on error when setting up SIGWINCH handler
Setting up the SIGWINCH handler requires at least Linux 5.7. However
this functionality is not required for basic PTY operation.

Fixes: #3456

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-14 13:05:09 +01:00
Bo Chen
df21e15148 Dockerfile: Update version of SPDK in container
This patch also removes the workaround of building SPDK with meson
0.59.2 as the bug has been fixed [1].

[1] https://review.spdk.io/gerrit/c/spdk/dpdk/+/10044

Signed-off-by: Bo Chen <chen.bo@intel.com>
2021-12-14 08:26:28 +01:00
dependabot[bot]
2883c71911 build: bump ryu from 1.0.6 to 1.0.9 in /fuzz
Bumps [ryu](https://github.com/dtolnay/ryu) from 1.0.6 to 1.0.9.
- [Release notes](https://github.com/dtolnay/ryu/releases)
- [Commits](https://github.com/dtolnay/ryu/compare/1.0.6...1.0.9)

---
updated-dependencies:
- dependency-name: ryu
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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2021-12-14 03:27:41 +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]
91c7590ba6 build: bump ryu from 1.0.6 to 1.0.9
Bumps [ryu](https://github.com/dtolnay/ryu) from 1.0.6 to 1.0.9.
- [Release notes](https://github.com/dtolnay/ryu/releases)
- [Commits](https://github.com/dtolnay/ryu/compare/1.0.6...1.0.9)

---
updated-dependencies:
- dependency-name: ryu
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
2021-12-14 02:16:52 +00:00
dependabot[bot]
e1b0630b79 build: bump openssl-sys from 0.9.71 to 0.9.72
Bumps [openssl-sys](https://github.com/sfackler/rust-openssl) from 0.9.71 to 0.9.72.
- [Release notes](https://github.com/sfackler/rust-openssl/releases)
- [Commits](https://github.com/sfackler/rust-openssl/compare/openssl-sys-v0.9.71...openssl-sys-v0.9.72)

---
updated-dependencies:
- dependency-name: openssl-sys
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
2021-12-14 01:26:08 +00:00
dependabot[bot]
2a2cea1658 build: bump serde_json from 1.0.72 to 1.0.73
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.72 to 1.0.73.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.72...v1.0.73)

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

Signed-off-by: dependabot[bot] <support@github.com>
2021-12-14 01:12:53 +00:00
dependabot[bot]
3cd02403db build: bump libc from 0.2.109 to 0.2.112 in /fuzz
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 00:01:31 +00:00
dependabot[bot]
a9f5021005 build: bump pkg-config from 0.3.23 to 0.3.24
Bumps [pkg-config](https://github.com/rust-lang/pkg-config-rs) from 0.3.23 to 0.3.24.
- [Release notes](https://github.com/rust-lang/pkg-config-rs/releases)
- [Changelog](https://github.com/rust-lang/pkg-config-rs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/pkg-config-rs/commits)

---
updated-dependencies:
- dependency-name: pkg-config
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
2021-12-13 23:45:25 +00:00
dependabot[bot]
f14d0d0191 build: bump serde_json from 1.0.72 to 1.0.73 in /fuzz
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.72 to 1.0.73.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.72...v1.0.73)

---
updated-dependencies:
- dependency-name: serde_json
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
2021-12-13 23:41:16 +00:00
Rob Bradford
4959434219 Revert "virtio-devices: net: Improve throughput with virtio features"
This reverts commit 58d25b3ccc.

This change introduced a regression when running iperf with the guest
running as the server:

marvin:~/src/cloud-hypervisor ((58d25b3c...))$ iperf  -c 192.168.249.2
------------------------------------------------------------
Client connecting to 192.168.249.2, TCP port 5001
TCP window size: 85.0 KByte (default)
------------------------------------------------------------
[  1] local 192.168.249.1 port 47078 connected with 192.168.249.2 port 5001
[ ID] Interval       Transfer     Bandwidth
[  1] 0.00-10.40 sec  14.0 MBytes  11.3 Mbits/sec
marvin:~/src/cloud-hypervisor ((58d25b3c...))$ iperf -s
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size:  128 KByte (default)
------------------------------------------------------------
[  1] local 192.168.249.1 port 5001 connected with 192.168.249.2 port 42866
[ ID] Interval       Transfer     Bandwidth
[  1] 0.00-10.01 sec  51.2 GBytes  44.0 Gbits/sec

Fixes: #3450

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-13 08:33:27 +00:00
Rob Bradford
7444c3a0c5 pci: vfio_user: Batch IRQ enabling into batches of 16
The sendmsg() syscall is limited in the number of fds it can handle.
This number matches that used by the vfio-user library and is
conservative (since we've seen it work with 64 fds.)

Fixes: #3401

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-12 18:14:51 +00:00
Rob Bradford
35d3c1f611 build: Switch base to hirsute as an experiment
As an experiment switch back to hirsute to see if the CI failure /
timeout rate decreases.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-12 11:09:32 +00:00