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Author SHA1 Message Date
Sebastien Boeuf
a4859ffe85 virtio-devices: Optimize add_used() usage 
Now that we rely on pop_descriptor_chain() rather than iter() to iterate
over a queue, there's no more borrow on the queue itself, meaning we can
invoke add_used() directly for the iteration loop. This simplifies the
processing of the queues for each virtio device, and bring some possible
performance improvement given we don't have to iterate twice over the
list of descriptors to invoke add_used().

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2022-07-29 17:41:32 +01:00
Sebastien Boeuf
87f57f7c1e virtio-devices: Improve queue handling with pop_descriptor_chain() 
Using pop_descriptor_chain() is much more appropriate than iter() since
it recreates the iterator every time, avoiding the queue to be borrowed
and allowing the virtio-net implementation to match all the other ones.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2022-07-29 17:41:32 +01:00
Sebastien Boeuf
a423bf13ad virtio: Port codebase to the latest virtio-queue version 
The new virtio-queue version introduced some breaking changes which need
to be addressed so that Cloud Hypervisor can still work with this
version.

The most important change is about removing a handle to the guest memory
from the Queue, meaning the caller has to provide the guest memory
handle for multiple methods from the QueueT trait.

One interesting aspect is that QueueT has been widely extended to
provide every getter and setter we need to access and update the Queue
structure without having direct access to its internal fields.

This patch ports all the virtio and vhost-user devices to this new crate
definition. It also updates both vhost-user-block and vhost-user-net
backends based on the updated vhost-user-backend crate. It also updates
the fuzz directory.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2022-07-29 17:41:32 +01:00
Michael Zhao
7199119bb2 hypervisor: Remove Vcpu::read_mpidr() on AArch64 
Replaced `read_mpidr()` with `get_sys_reg()`.

Signed-off-by: Michael Zhao <michael.zhao@arm.com>
 2022-07-29 11:45:12 +01:00
Michael Zhao
5b54dc60aa hypervisor: Add Vcpu::get_sys_reg() on AArch64 
Added function `Vcpu::get_sys_reg()` to get single system register.

Signed-off-by: Michael Zhao <michael.zhao@arm.com>
 2022-07-29 11:45:12 +01:00
Michael Zhao
ecb66b5e94 arch: Declare system registers on AArch64 
Signed-off-by: Michael Zhao <michael.zhao@arm.com>
 2022-07-29 11:45:12 +01:00
Michael Zhao
cd7f36a713 hypervisor: Remove get/set_reg() on AArch64 
`Vcpu::get/set_reg()` were only invoked in Vcpu itself.

Signed-off-by: Michael Zhao <michael.zhao@arm.com>
 2022-07-29 11:45:12 +01:00
Michael Zhao
f7b6d99c2d hypervisor: Remove get/set_sys_regs() on AArch64 
`hypervisor::Vcpu::get/set_sys_regs()` are only used in Vcpu internally.

Signed-off-by: Michael Zhao <michael.zhao@arm.com>
 2022-07-29 11:45:12 +01:00
Wei Liu
e1a70f676a hypervisor: use serde_with with LapicState 
Drop the hand-rolled serializer and deserializer.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-28 14:57:29 +01:00
Wei Liu
bec47ebcc9 hypervisor: simplify LapicState 
Both KVM and MSHV share the same layout. We can drop one level of
indirection.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-28 08:52:28 +01:00
dependabot[bot]
ddc9004471 build: bump redox_syscall from 0.2.15 to 0.2.16 
Bumps redox_syscall from 0.2.15 to 0.2.16.

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

Signed-off-by: dependabot[bot] <support@github.com>
 2022-07-28 00:39:28 +00:00
dependabot[bot]
0c9b4fefc0 build: bump mshv-ioctls from 7ac1b80 to e38ea5d 
Bumps [mshv-ioctls](https://github.com/rust-vmm/mshv) from `7ac1b80` to `e38ea5d`.
- [Release notes](https://github.com/rust-vmm/mshv/releases)
- [Commits](7ac1b80bff...e38ea5d64b)

---
updated-dependencies:
- dependency-name: mshv-ioctls
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-07-27 23:53:04 +00:00
Rob Bradford
df10dab952 build: Skip running Jenkins if fuzzer only changes 
There is no point in wasting resources building use Jenkins if the
change only modifies the fuzzers.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2022-07-27 18:12:56 +01:00
Rob Bradford
57ee561c39 fuzz: Place targets in alphabetical order 
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2022-07-27 18:12:56 +01:00
Rob Bradford
a330c531b0 fuzz: Add new fuzzer for emulated cmos device 
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2022-07-27 18:12:56 +01:00
Rob Bradford
e4211272ad fuzz: Add new fuzzer for emulated serial device 
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2022-07-27 18:12:56 +01:00
Sebastien Boeuf
f4e2198767 docs: Extend the list of TDX guest limitations 
Adding a new limitation related to the TDX guest kernel as it doesn't
allow for most ACPI devices, meaning the PCI hotplug through ACPI isn't
supported unless we use 'tdx_disable_filter' boot parameter.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2022-07-26 17:47:03 +02:00
Rob Bradford
f8f0b40e94 build: Move Jenkins workers over to jammy 
Fixes: #3862

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2022-07-26 14:53:49 +01:00
Maximilian Nitsch
87c0791d53 api-client: Handle body_offset is None 
Handle the case `body_offset` is `None` instead of calling `unwrap()`
which leads to a panic.

Signed-off-by: Maximilian Nitsch <maximilian.nitsch@d3tn.com>
 2022-07-26 15:39:31 +02:00
dependabot[bot]
c46a9592c0 build: bump clap from 3.2.14 to 3.2.15 
Bumps [clap](https://github.com/clap-rs/clap) from 3.2.14 to 3.2.15.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/v3.2.15/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.2.14...v3.2.15)

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

Signed-off-by: dependabot[bot] <support@github.com>
 2022-07-26 07:52:06 +00:00
Sebastien Boeuf
561791ed22 tests: Reliably trigger a guest OOM 
Rely on /proc/sysrq-trigger to forcibly trigger an OOM in the guest.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2022-07-26 09:22:38 +02:00
Rob Bradford
857edc71a9 vmm: cpu: Remove now unused CpuManager::vcpus_paused() 
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2022-07-26 09:22:25 +02:00
Rob Bradford
0e29379bcf vmm: Make gdb break/resuming more resilient 
When starting the VM such that it is already on a breakpoint (via
stop_on_boot) when attached to gdb then start the vCPUs in a paused
state rather than starting the vCPUs later (upon resume).

Further, make the resumption/break of the VM more resilient by only
attempting to resume the vCPUs if were are already in a break point and
only attempting to pause/break if we were already running.

Fixes: #4354

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2022-07-26 09:22:25 +02:00
dependabot[bot]
23352c4945 build: bump proc-macro2 from 1.0.41 to 1.0.42 
Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.41 to 1.0.42.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](https://github.com/dtolnay/proc-macro2/compare/1.0.41...1.0.42)

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

Signed-off-by: dependabot[bot] <support@github.com>
 2022-07-26 09:05:18 +02:00
dependabot[bot]
160528b6f5 build: bump proc-macro2 from 1.0.40 to 1.0.42 in /fuzz 
Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.40 to 1.0.42.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](https://github.com/dtolnay/proc-macro2/compare/1.0.40...1.0.42)

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

Signed-off-by: dependabot[bot] <support@github.com>
 2022-07-26 00:26:14 +00:00
dependabot[bot]
00200296ec build: bump proc-macro2 from 1.0.40 to 1.0.41 
Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.40 to 1.0.41.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](https://github.com/dtolnay/proc-macro2/compare/1.0.40...1.0.41)

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

Signed-off-by: dependabot[bot] <support@github.com>
 2022-07-25 23:57:01 +00:00
dependabot[bot]
c612886150 build: bump clap from 3.2.14 to 3.2.15 in /fuzz 
Bumps [clap](https://github.com/clap-rs/clap) from 3.2.14 to 3.2.15.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/v3.2.15/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.2.14...v3.2.15)

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

Signed-off-by: dependabot[bot] <support@github.com>
 2022-07-25 23:41:19 +00:00
Rob Bradford
a749182777 vmm: acpi: Use ACPI platform device addresses from DeviceManager 
Remove the hardcoded addresses.

Also remove PM_TMR_BLK as spec compliant implementation will use
X_PM_TMR_BLK over this field.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2022-07-25 16:16:06 +01:00
Rob Bradford
2e8eb96ef6 vmm: device_manager: Store ACPI platform addresses for later use 
These are ready for inclusion in the FACP table.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2022-07-25 16:16:06 +01:00
Maximilian Nitsch
686e6d5082 api-client: Break the receive loop if the VMM shuts down the socket 
Breaks the receive loop of the API client when the VMM shuts down the
socket connection. A shutdown is indicated by the return value 0 of the
`recv()` system call.[^1][^2] This case was not handled before, so the
API client tried infinitely to receive more bytes and did not return.

[^1]: https://linux.die.net/man/2/recv
[^2]: https://doc.rust-lang.org/std/io/trait.Read.html#tymethod.read

Signed-off-by: Maximilian Nitsch <maximilian.nitsch@d3tn.com>
 2022-07-25 13:19:37 +01:00
Rob Bradford
b1a87cb698 hypervisor: mshv: Remove more #[allow(dead_code)] and unused code 
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2022-07-25 10:09:46 +01:00
dependabot[bot]
869e96ed10 build: bump redox_syscall from 0.2.13 to 0.2.15 
Bumps redox_syscall from 0.2.13 to 0.2.15.

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

Signed-off-by: dependabot[bot] <support@github.com>
 2022-07-22 23:59:26 +00:00
Wei Liu
bcaa299c55 devices: arch is only needed by aarch64 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 22:29:49 +01:00
Wei Liu
454964cc90 vm-allocator: arch is only needed by aarch64 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 22:29:49 +01:00
Wei Liu
2afd0e626a tree-wide: drop unneeded dependencies 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 22:29:49 +01:00
Wei Liu
e885c35a54 vhost_user_net: remove {self} import 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 14:37:03 +01:00
Wei Liu
ff7773044c tree-wide: drop some unneeded allow clauses 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 14:37:03 +01:00
Wei Liu
5aaa647639 .github: build MSHV and KVM at the same time 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 12:50:12 +01:00
Wei Liu
7b99bd9496 hypervisor: suppress clippy::large_enum_variant 
MSHV's vcpu state is small, but it will grow in the future.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 12:50:12 +01:00
Wei Liu
bb19c3d2b7 hypervisor: pick the available hypervisor automatically 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 12:50:12 +01:00
Wei Liu
aa66526ea0 hypervisor: add a function to check availability 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 12:50:12 +01:00
Wei Liu
c3ce5aa5b1 hypervisor: adjust new function return type 
Make them return wrapped trait object directly.

No functional change.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 12:50:12 +01:00
Wei Liu
ad33f7c5e6 vmm: return seccomp rules according to hypervisors 
That requires stashing the hypervisor type into various places.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 12:50:12 +01:00
Wei Liu
9fc3379e8d hypervisor: add a function to return hypervisor type 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 12:50:12 +01:00
Wei Liu
d56263706d main: unify error message for hypervisor availability 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 12:50:12 +01:00
Wei Liu
4a00371fe8 hypervisor: drop unused modules 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 12:50:12 +01:00
Wei Liu
ae7f74d0a8 hypervisor: drop kvm guard from some Vcpu trait functions 
And provide default implementations.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 12:50:12 +01:00
Wei Liu
cb6a14dec9 hypervisor: drop check_extension from Vm trait 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-22 12:50:12 +01:00
dependabot[bot]
e931c40e96 build: bump clap from 3.2.13 to 3.2.14 in /fuzz 
Bumps [clap](https://github.com/clap-rs/clap) from 3.2.13 to 3.2.14.
- [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/v3.2.13...v3.2.14)

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

Signed-off-by: dependabot[bot] <support@github.com>
 2022-07-21 23:40:33 +00:00
Wei Liu
a96a5d7816 hypervisor, vmm: use new vfio-ioctls 
Use the new vfio-ioctls APIs. Drop Cloud Hypervisor's Device trait
since it is no longer needed.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2022-07-21 23:37:53 +01:00