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vmm, arch: Enable KVM HyperV support

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Inject CPUID leaves for advertising KVM HyperV support when the
"kvm_hyperv" toggle is enabled. Currently we only enable a selection of
features required to boot.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2020-09-15 16:26:34 +01:00
parent da642fcf7f
commit 27c28fa3b0
2 changed files with 77 additions and 3 deletions
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19
vmm/src/cpu.rs
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@@ -299,6 +299,7 @@ impl Vcpu {
kernel_entry_point: Option<EntryPoint>,
vm_memory: &GuestMemoryAtomic<GuestMemoryMmap>,
#[cfg(target_arch = "x86_64")] cpuid: CpuId,
#[cfg(target_arch = "x86_64")] kvm_hyperv: bool,
) -> Result<()> {
#[cfg(target_arch = "aarch64")]
{
@@ -308,8 +309,15 @@ impl Vcpu {
}
#[cfg(target_arch = "x86_64")]
arch::configure_vcpu(&self.vcpu, self.id, kernel_entry_point, vm_memory, cpuid)
.map_err(Error::VcpuConfiguration)?;
arch::configure_vcpu(
&self.vcpu,
self.id,
kernel_entry_point,
vm_memory,
cpuid,
kvm_hyperv,
)
.map_err(Error::VcpuConfiguration)?;
Ok(())
}
@@ -770,7 +778,12 @@ impl CpuManager {
#[cfg(target_arch = "x86_64")]
vcpu.lock()
.unwrap()
.configure(entry_point, &vm_memory, self.cpuid.clone())
.configure(
entry_point,
&vm_memory,
self.cpuid.clone(),
self.config.kvm_hyperv,
)
.expect("Failed to configure vCPU");
#[cfg(target_arch = "aarch64")]