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vmm: add nested option to CPU config

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Add an option in the CLI to enable nested support.
Adding an option --cpu nested=on|off to the CPU
argument to enable nested support for Microsoft
Hypervisor. By default it is enabled for both KVM
and MSHV.

Signed-off-by: Muminul Islam <muislam@microsoft.com>
This commit is contained in:
Muminul Islam
2025-09-24 15:41:52 -07:00
committed by Rob Bradford
parent 0d5c914bdd
commit f10d0bb33d
5 changed files with 21 additions and 3 deletions
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3
vmm/src/lib.rs
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@@ -215,7 +215,7 @@ impl From<&VmConfig> for hypervisor::HypervisorVmConfig {
fn from(_value: &VmConfig) -> Self {
hypervisor::HypervisorVmConfig {
#[cfg(feature = "tdx")]
tdx_enabled: _value.platform.as_ref().map(|p| p.tdx).unwrap_or(false),
tdx_enabled: _value.platform.as_ref().is_some_and(|p| p.tdx),
#[cfg(feature = "sev_snp")]
sev_snp_enabled: _value.is_sev_snp_enabled(),
#[cfg(feature = "sev_snp")]
@@ -2397,6 +2397,7 @@ mod unit_tests {
max_phys_bits: 46,
affinity: None,
features: CpuFeatures::default(),
nested: true,
},
memory: MemoryConfig {
size: 536_870_912,