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Vms and Vcpus will be try_cloneable and Send, so we can configure on
vcpu threads and so IrqChips can reference all Vcpus. To support
cloning, collection fields in Vm have been moved into arc mutexes, and
Vm and Vcpu are now Sized. Because this breaks object safety, all usage
of the traits will be via static binding.
Add impl AsRawFd for SafeDescriptor, to get the sys_util ioctl functions
working with SafeDescriptor; eventually the functions will change to
take SafeDescriptors. Copy set_user_memory_region helper from kvm
crate.
BUG=chromium:1077058
TEST=cargo test -p hypervisor
Change-Id: I23de47c4472a77632006d0d45de9754394b400c2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2197337
Reviewed-by: Udam Saini <udam@google.com>
Reviewed-by: Zach Reizner <zachr@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: Steven Richman <srichman@google.com>
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This adds the ability for getting both supported/emulated cpuids from
the kvm hypervisor. In addition, checking the available capabilities
for kvm is now implemented.
BUG=chromium:1077058
TEST=Added unit tests for each implemented function.
Change-Id: Ide4c2840b7bfa022deae835eb734ea97c1859169
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2177641
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Commit-Queue: Udam Saini <udam@google.com>
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Add arch-agnostic traits Vm and Vcpu. Add arch-specific traits
HypervisorXXX, VmXXX, VcpuXXX, with impls for KVM.
BUG=chromium:1077058
TEST=added test for functions and structs interacting with the traits
Change-Id: I809f42f32a558c7835831c90e24fca82ce7744ab
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2176562
Reviewed-by: Udam Saini <udam@google.com>
Reviewed-by: Zach Reizner <zachr@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: Steven Richman <srichman@google.com>
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This is a separate hypervisor crate for interacting with Kvm in an
abstract manner. The intention is to not leak the internals of kvm
with its specific calls in various places in the codebase. Currently,
this just creates an initial structure for adding various
implementations over time.
In addition, a SafeDescriptor class is added, that wraps a raw file
descriptor safely, without needing to wrap it in the rust file class.
The intention is to use this for non file raw descriptors.
BUG=chromium:1077058
TEST=added a basic kvm test that creates a Kvm struct
Change-Id: I4229203902e480b52435cde12bf0d25a322c71be
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2174756
Commit-Queue: Udam Saini <udam@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Zach Reizner <zachr@chromium.org>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
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