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hypervisor: mshv: Implement set_cpuid2 call

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Passing the CPUID leafs with the topology is integrated into the common
mechanism of setting and patching CPUID in Cloud Hypervisor. All the
CPUID values will be passed to the hypervisor through the register
intercept call.

Signed-off-by: Anatol Belski <anbelski@linux.microsoft.com>
This commit is contained in:
Anatol Belski 2023-03-26 19:52:24 +02:00 committed by Liu Wei
parent a61a013311
commit 35ecfb6ec5
1 changed files with 8 additions and 2 deletions
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10
hypervisor/src/mshv/mod.rs
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@ -583,8 +583,14 @@ impl cpu::Vcpu for MshvVcpu {
///
/// X86 specific call to setup the CPUID registers.
///
fn set_cpuid2(&self, _cpuid: &[CpuIdEntry]) -> cpu::Result<()> {
Ok(())
fn set_cpuid2(&self, cpuid: &[CpuIdEntry]) -> cpu::Result<()> {
let cpuid: Vec<mshv_bindings::hv_cpuid_entry> = cpuid.iter().map(|e| (*e).into()).collect();
let mshv_cpuid = <CpuId>::from_entries(&cpuid)
.map_err(|_| cpu::HypervisorCpuError::SetCpuid(anyhow!("failed to create CpuId")))?;
self.fd
.register_intercept_result_cpuid(&mshv_cpuid)
.map_err(|e| cpu::HypervisorCpuError::SetCpuid(e.into()))
}
#[cfg(target_arch = "x86_64")]
///