Commit Graph

2212 Commits

Author SHA1 Message Date
Rob Bradford
71d1296d09 vmm: Implemented zerocopy::AsBytes for SDT structures
For structures that are used in SDT ACPI tables it is necessary for them
to implement this trait for the newly safe Std::write() API.

Signed-off-by: Rob Bradford <rbradford@rivosinc.com>
2023-04-26 23:25:57 +01:00
dependabot[bot]
97012c511d build: Bump serde_json from 1.0.95 to 1.0.96
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.95 to 1.0.96.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.95...v1.0.96)

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

Signed-off-by: dependabot[bot] <support@github.com>
2023-04-25 08:45:18 +00:00
Alyssa Ross
3c0b389c82 vmm: allow getdents64 in seccomp filter
This is used on older kernels where close_range() is not available.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
Fixes: 505f4dfa ("vmm: close all unused fds in sigwinch listener")
2023-04-22 11:40:17 +01:00
Rob Bradford
ceb8151747 hypervisor, vmm: Limit max number of vCPUs to hypervisor maximum
On KVM this is provided by an ioctl, on MSHV this is constant. Although
there is a HV_MAXIMUM_PROCESSORS constant the MSHV ioctl API is limited
to u8.

Signed-off-by: Rob Bradford <rbradford@rivosinc.com>
2023-04-22 10:35:39 +01:00
Rafael Mendonca
6379074264 misc: Remove unnecessary clippy directives
Clippy passes fine without these.

Signed-off-by: Rafael Mendonca <rafaelmendsr@gmail.com>
2023-04-18 10:48:31 -07:00
Bo Chen
a9623c7a28 vmm: Add valid FDs for TAP devices to 'VmConfig::preserved_fds'
In this way, valid FDs for TAP devices will be closed when the holding
VmConfig instance is destroyed.

Signed-off-by: Bo Chen <chen.bo@intel.com>
2023-04-17 16:33:29 +01:00
Bo Chen
4baf85857a vmm: Add unit test for 'VmConfig::preserved_fds'
Signed-off-by: Bo Chen <chen.bo@intel.com>
2023-04-17 16:33:29 +01:00
Bo Chen
e3d2917d5f vmm: Implement Clone and Drop for VmConfig
The custom 'clone' duplicates 'preserved_fds' so that the validation
logic can be safely carried out on the clone of the VmConfig.

The custom 'drop' ensures 'preserved_fds' are safely closed when the
holding VmConfig instance is destroyed.

Signed-off-by: Bo Chen <chen.bo@intel.com>
2023-04-17 16:33:29 +01:00
Bo Chen
a84b540b65 vmm: config: Extend 'VmConfig' with 'preserved_fds'
Preserved FDs are the ones that share the same life-time as its holding
VmConfig instance, such as FDs for creating TAP devices.

Preserved FDs will stay open as long as the holding VmConfig instance is
valid, and will be closed when the holding VmConfig instance is destroyed.

Signed-off-by: Bo Chen <chen.bo@intel.com>
2023-04-17 16:33:29 +01:00
Bo Chen
8eb162e3d7 Revert "vmm: config: Implement Clone for NetConfig"
This reverts commit ea4a95c4f6.

Signed-off-by: Bo Chen <chen.bo@intel.com>
2023-04-17 16:33:29 +01:00
Bo Chen
2804608a1c Revert "vmm: config: Close FDs for TAP devices that are provided to VM"
This reverts commit b14427540b.

Signed-off-by: Bo Chen <chen.bo@intel.com>
2023-04-17 16:33:29 +01:00
Bo Chen
e0125653b1 Revert "vmm: config: Don't close reserved FDs from NetConfig::drop()"
This reverts commit 0110fb4edc.

Signed-off-by: Bo Chen <chen.bo@intel.com>
2023-04-17 16:33:29 +01:00
Bo Chen
e431a48201 Revert "vmm: config: Avoid closing invalid FDs from 'test_net_parsing()'"
This reverts commit 0567def931.

Signed-off-by: Bo Chen <chen.bo@intel.com>
2023-04-17 16:33:29 +01:00
Bo Chen
c143cb3af0 Revert "vmm: config: Replace use of memfd_create with fd pointing to /dev/null"
This reverts commit 46066d6ae1.

Signed-off-by: Bo Chen <chen.bo@intel.com>
2023-04-17 16:33:29 +01:00
Alyssa Ross
b6feae0ace vmm: only touch the tty flags if it's being used
When neither serial nor console are connected to the tty,
cloud-hypervisor shouldn't touch the tty at all.  One way in which
this is annoying is that if I am running cloud-hypervisor without it
using my terminal, I expect to be able to suspend it with ^Z like any
other process, but that doesn't work if it's put the terminal into raw
mode.

Instead of putting the tty into raw mode when a VM is created or
restored, do it when a serial or console device is created.  Since we
now know it can't be put into raw mode until the Vm object is created,
we can move setting it back to canon mode into the drop handler for
that object, which should always be run in normal operation.  We still
also put the tty into canon mode in the SIGTERM / SIGINT handler, but
check whether the tty was actually used, rather than whether stdin is
a tty.  This requires passing on_tty around as an atomic boolean.

I explored more of an abstraction over the tty — having an object that
encapsulated stdout and put the tty into raw mode when initialized and
into canon mode when dropped — but it wasn't practical, mostly due to
the special requirements of the signal handler.  I also investigated
whether the SIGWINCH listener process could be used here, which I
think would have worked but I'm hesitant to involve it in serial
handling as well as conosle handling.

There's no longer a check for whether the file descriptor is a tty
before setting it into canon mode — it's redundant, because if it's
not a tty it just won't respond to the ioctl.

Tested by shutting down through the API, SIGTERM, and an error
injected after setting raw mode.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
2023-04-17 16:33:17 +01:00
Alyssa Ross
520aff2efc vmm: don't redundantly set the TTY to canon mode
If the VM is shut down, either it's going to be started again, in
which case we still want to be in raw mode, or the process is about to
exit, in which case canon mode will be set at the end of main.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
2023-04-17 16:33:17 +01:00
Omer Faruk Bayram
346ee09e6b vmm: api: include BUILD_VERSION and CH pid in VmmPingResponse
Signed-off-by: Omer Faruk Bayram <omer.faruk@sartura.hr>
2023-04-14 12:13:46 -07:00
Alyssa Ross
9b724303ac vmm: only use KVM_ARM_VCPU_PMU_V3 if available
Having PMU in guests isn't critical, and not all hardware supports
it (e.g. Apple Silicon).

CpuManager::init_pmu already has a fallback for if PMU is not
supported by the VCPU, but we weren't getting that far, because we
would always try to initialise the VCPU with KVM_ARM_VCPU_PMU_V3, and
then bail when it returned with EINVAL.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
2023-04-13 09:02:55 +08:00
Bo Chen
df2a7c1764 vmm: Ignore and warn TAP FDs sent via the HTTP request body
Valid FDs can only be sent from another process via `SCM_RIGHTS`.

Signed-off-by: Bo Chen <chen.bo@intel.com>
2023-04-11 09:34:14 -07:00
Alyssa Ross
38a1b45783 vmm: use the SIGWINCH listener for TTYs too
Previously, we were only using it for PTYs, because for PTYs there's
no alternative.  But since we have to have it for PTYs anyway, if we
also use it for TTYs, we can eliminate all of the code that handled
SIGWINCH for TTYs.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
2023-04-05 11:23:06 +01:00
Alyssa Ross
e9841db486 vmm: don't ignore errors from SIGWINCH listener
Now that the SIGWINCH listener has fallbacks for older kernels, we
don't expect it to routinely fail, so if there's an error setting it
up, we want to know about it.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
2023-04-05 11:23:06 +01:00
Alyssa Ross
c1f555cde3 vmm: fall back if CLONE_CLEAR_SIGHAND unsupported
This will allow the SIGWINCH listener to run on kernels older than
5.5, although on those kernels it will have to make 64 syscalls to
reset all the signal handlers.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
2023-04-05 11:23:06 +01:00
Alyssa Ross
505f4dfa53 vmm: close all unused fds in sigwinch listener
The PTY main file descriptor had to be introduced as a parameter to
start_sigwinch_listener, so that it could be closed in the child.
Really the SIGWINCH listener process should not have any file
descriptors open, except for the ones it needs to function, so let's
make it more robust by having it close all other file descriptors.

For recent kernels, we can do this very conveniently with
close_range(2), but for older kernels, we have to fall back to closing
open file descriptors one at a time.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
2023-04-05 11:23:06 +01:00
Ravi kumar Veeramally
a8d1849485 vmm: Remove directory support from MemoryZoneConfig::file
Fixes: #5082

Signed-off-by: Ravi kumar Veeramally <ravikumar.veeramally@intel.com>
2023-04-04 06:49:18 -07:00
dependabot[bot]
55937f63bc build: Bump serde_json from 1.0.93 to 1.0.95
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.93 to 1.0.95.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.93...v1.0.95)

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

Signed-off-by: dependabot[bot] <support@github.com>
2023-04-04 00:41:41 +00:00
dependabot[bot]
ded8959b9a build: Bump versionize from 0.1.9 to 0.1.10
Bumps [versionize](https://github.com/firecracker-microvm/versionize) from 0.1.9 to 0.1.10.
- [Release notes](https://github.com/firecracker-microvm/versionize/releases)
- [Changelog](https://github.com/firecracker-microvm/versionize/blob/main/CHANGELOG.md)
- [Commits](https://github.com/firecracker-microvm/versionize/compare/v0.1.9...v0.1.10)

---
updated-dependencies:
- dependency-name: versionize
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
2023-03-24 23:46:46 +00:00
dependabot[bot]
64924d5c2b build: Bump signal-hook from 0.3.14 to 0.3.15
Bumps [signal-hook](https://github.com/vorner/signal-hook) from 0.3.14 to 0.3.15.
- [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/v0.3.14...v0.3.15)

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

Signed-off-by: dependabot[bot] <support@github.com>
2023-03-14 00:40:33 +00:00
dependabot[bot]
a20e481abe build: Bump thiserror from 1.0.38 to 1.0.39
Bumps [thiserror](https://github.com/dtolnay/thiserror) from 1.0.38 to 1.0.39.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](https://github.com/dtolnay/thiserror/compare/1.0.38...1.0.39)

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

Signed-off-by: dependabot[bot] <support@github.com>
2023-03-10 00:39:45 +00:00
Bo Chen
b71564f284 vmm: Remove unnecessary parentheses (beta 1.69 clippy check)
Signed-off-by: Bo Chen <chen.bo@intel.com>
2023-03-07 17:02:35 -08:00
Rob Bradford
73c4156775 vmm, devices: Update to latest acpi_tables crate API
Significant API changes have occured, most significantly is the switch
to an approach which does not require vm-memory and can run no_std.

Signed-off-by: Rob Bradford <rbradford@rivosinc.com>
2023-03-03 13:08:36 +00:00
dependabot[bot]
02f774824b build: Bump gdbstub from 0.6.3 to 0.6.4
Bumps [gdbstub](https://github.com/daniel5151/gdbstub) from 0.6.3 to 0.6.4.
- [Release notes](https://github.com/daniel5151/gdbstub/releases)
- [Changelog](https://github.com/daniel5151/gdbstub/blob/master/CHANGELOG.md)
- [Commits](https://github.com/daniel5151/gdbstub/compare/0.6.3...0.6.4)

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

Signed-off-by: dependabot[bot] <support@github.com>
2023-03-02 00:39:01 +00:00
dependabot[bot]
04ee1efa70 build: Bump virtio-queue from 0.7.0 to 0.7.1
Bumps [virtio-queue](https://github.com/rust-vmm/vm-virtio) from 0.7.0 to 0.7.1.
- [Release notes](https://github.com/rust-vmm/vm-virtio/releases)
- [Commits](https://github.com/rust-vmm/vm-virtio/compare/virtio-queue-v0.7.0...virtio-queue-v0.7.1)

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

Signed-off-by: dependabot[bot] <support@github.com>
2023-03-01 00:37:27 +00:00
Yong He
76d6d28f3e vmm: do not start signal thread to resize console if no need
Now cloud hypervisor will start signal thread to catch
SIGWINCH signal, cloud hypervisor then will resize the
guest console via vconsole.

This patch skip starting signal thread when there is no
need to resize guest console, such as console is not
configured.

Signed-off-by: Yong He <alexyonghe@tencent.com>
2023-02-28 09:40:07 -08:00
dependabot[bot]
191e865261 build: Bump once_cell from 1.17.0 to 1.17.1
Bumps [once_cell](https://github.com/matklad/once_cell) from 1.17.0 to 1.17.1.
- [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/v1.17.0...v1.17.1)

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

Signed-off-by: dependabot[bot] <support@github.com>
2023-02-24 00:36:14 +00:00
Yu Li
74dcb37ec3 vmm: config: fix incorrect values of error
The PR #2333 added I/O rate limiter on block device, with some options
in `DiskConfig`.  And the PR #2401 added rate limiter on virtio-net
device with same options, but it still throws `Error::ParseDisk`.

This commit fixes it with correct values.

Fixes: #2401

Signed-off-by: Yu Li <liyu.yukiteru@bytedance.com>
2023-02-23 09:57:48 +00:00
Rob Bradford
996bdc6e08 vfio_user: Use new Rust-VMM crate
This contains the same code as was included in tree.

Fixes: #5123

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2023-02-22 15:13:12 +00:00
Yong He
01900e3c2b vmm: properly set vcpu state when thread exited
Once error occur, vcpu thread may exit, this should
be critical event for the whole VM, we should fire
exit event and set vcpu state.

If we don't set vcpu state, the shutdown process
will hang at signal_thread, which is waiting the
vcpu state to change.

Signed-off-by: Yong He <alexyonghe@tencent.com>
2023-02-16 14:40:04 +00:00
Rob Bradford
46066d6ae1 vmm: config: Replace use of memfd_create with fd pointing to /dev/null
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2023-02-15 11:10:00 -08:00
Bo Chen
0567def931 vmm: config: Avoid closing invalid FDs from 'test_net_parsing()'
We need to provide valid FDs while creating 'NetConfig' instances even
for unit tests. Closing invalid FDs would cause random unit test
failures.

Also, two identical 'NetConfig' instances are not allowed any more,
because it would lead to close the same FD twice. This is consistent
with the fact that a clone of a "NetConfig" instance is no
longer *equal* to the instance itself.

Fixes: #5203

Signed-off-by: Bo Chen <chen.bo@intel.com>
2023-02-15 12:30:09 +00:00
Bo Chen
0110fb4edc vmm: config: Don't close reserved FDs from NetConfig::drop()
Fixes: #5203

Signed-off-by: Bo Chen <chen.bo@intel.com>
2023-02-15 12:30:09 +00:00
Rob Bradford
b14427540b vmm: config: Close FDs for TAP devices that are provided to VM
These are owned by the config (and are duplicated before being used to
create the `Tap` for the virtio-net device.)

By implementing Drop on NetConfig we have issues with moving out of
members that don't implement the Copy trait. This requires a small
adjustment to the unit tests that use the Default::default() function.

Fixes: #5197

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2023-02-14 12:37:50 +01:00
Rob Bradford
ea4a95c4f6 vmm: config: Implement Clone for NetConfig
The custom version duplicates any FDs that have been provided so that
the validation logic used on hotplug, which takes a clone of the config,
can be safely carried out.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2023-02-14 12:37:50 +01:00
dependabot[bot]
f5084f7c65 build: Bump uuid from 1.2.2 to 1.3.0
Bumps [uuid](https://github.com/uuid-rs/uuid) from 1.2.2 to 1.3.0.
- [Release notes](https://github.com/uuid-rs/uuid/releases)
- [Commits](https://github.com/uuid-rs/uuid/compare/1.2.2...1.3.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
2023-02-14 00:37:27 +00:00
dependabot[bot]
f0ea8eb70b build: Bump serde_json from 1.0.91 to 1.0.93
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.91 to 1.0.93.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.91...v1.0.93)

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

Signed-off-by: dependabot[bot] <support@github.com>
2023-02-13 14:09:46 +01:00
Rob Bradford
09fca4a5dd build: Move to rust-vmm acpi_tables crate
This code is indentical to what is in this repository. When a release
gets made we can then switch to that.

Fixes: #5122

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2023-02-10 18:58:12 +01:00
Praveen K Paladugu
1143d54ee0 tpm: Add recv timeout while running recvmsg
If swtpm becomes unresponsive, guest gets blocked at "recvmsg" on tpm's
data FD. This change adds a timeout to the data fd socket. If swtpm
becomes unresponsive guest waits for "timeout" (secs) and continues to
run after returning an I/O error to tpm commands.

Signed-off-by: Praveen K Paladugu <prapal@linux.microsoft.com>
2023-02-10 17:49:03 +01:00
Jinank Jain
b54ce6c3db vmm: Defer address space allocation
We can ideally defer the address space allocation till we start the
vCPUs for the very first time. Because the VM will not access the memory
until the CPUs start running. Thus there is no need to allocate the
address space eagerly and wait till the time we are going to start the
vCPUs for the first time.

Signed-off-by: Jinank Jain <jinankjain@microsoft.com>
2023-02-10 11:52:20 +01:00
Kaihang Zhang
3dd01443d5 openapi: Make 'vcpu' and 'host_cpus' required in CpuAffinity
Signed-off-by: Kaihang Zhang <kaihang.zhang@smartx.com>
2023-02-10 10:06:43 +01:00
dependabot[bot]
43227cd5c4 build: Bump anyhow from 1.0.68 to 1.0.69
Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.68 to 1.0.69.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](https://github.com/dtolnay/anyhow/compare/1.0.68...1.0.69)

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

Signed-off-by: dependabot[bot] <support@github.com>
2023-02-10 00:55:05 +00:00
Rob Bradford
c22c4675b3 arch, hypervisor: Populate CPUID leaf 0x4000_0010 (TSC frequency)
This hypervisor leaf includes details of the TSC frequency if that is
available from KVM. This can be used to efficiently calculate time
passed when there is an invariant TSC.

TEST=Run `cpuid` in the guest and observe the frequency populated.

Fixes: #5178

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2023-02-09 18:32:21 +01:00