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hypervisor: kvm: add missing capability requirements

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The list is gathered from going through various code paths in the code
base.

No functional change intended.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu 2024-05-07 01:04:11 +00:00 • committed by Rob Bradford
parent c07671edb4
commit 241d1d5cdb
2 changed files with 23 additions and 0 deletions
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8
hypervisor/src/kvm/aarch64/mod.rs
View file

@ -114,7 +114,15 @@ pub fn check_required_kvm_extensions(kvm: &Kvm) -> KvmResult<()> {
};
}
// SetGuestDebug is required but some kernels have it implemented without the capability flag.
check_extension!(Cap::ImmediateExit);
check_extension!(Cap::Ioeventfd);
check_extension!(Cap::Irqchip);
check_extension!(Cap::Irqfd);
check_extension!(Cap::IrqRouting);
check_extension!(Cap::MpState);
check_extension!(Cap::OneReg);
check_extension!(Cap::UserMemory);
Ok(())
}

15
hypervisor/src/kvm/x86_64/mod.rs
View file

@ -40,14 +40,29 @@ pub fn check_required_kvm_extensions(kvm: &Kvm) -> KvmResult<()> {
};
}
// DeviceCtrl, EnableCap, and SetGuestDebug are also required, but some kernels have
// the features implemented without the capability flags.
check_extension!(Cap::AdjustClock);
check_extension!(Cap::ExtCpuid);
check_extension!(Cap::GetTscKhz);
check_extension!(Cap::ImmediateExit);
check_extension!(Cap::Ioeventfd);
check_extension!(Cap::Irqchip);
check_extension!(Cap::Irqfd);
check_extension!(Cap::IrqRouting);
check_extension!(Cap::MpState);
check_extension!(Cap::SetIdentityMapAddr);
check_extension!(Cap::SetTssAddr);
check_extension!(Cap::SplitIrqchip);
check_extension!(Cap::TscDeadlineTimer);
check_extension!(Cap::UserMemory);
check_extension!(Cap::UserNmi);
check_extension!(Cap::VcpuEvents);
check_extension!(Cap::Xcrs);
check_extension!(Cap::Xsave);
Ok(())
}
#[derive(Clone, Serialize, Deserialize)]
pub struct VcpuKvmState {
pub cpuid: Vec<CpuIdEntry>,