kata-containers/cloud-hypervisor
1
0
Fork 0
mirror of https://github.com/cloud-hypervisor/cloud-hypervisor.git synced 2026-08-05 02:19:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

hypervisor: turn boot_msr_entries into a trait method

Browse Source 
This allows dispatching to either KVM or MSHV automatically.

No functional change.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu
2022-07-08 14:08:10 +00:00
committed by Rob Bradford
parent 121729a3b0
commit 84bbaf06d1
7 changed files with 56 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
hypervisor/src/kvm/mod.rs
View File

@@ -1905,6 +1905,32 @@ impl cpu::Vcpu for KvmVcpu {
TdxExitStatus::InvalidOperand => TDG_VP_VMCALL_INVALID_OPERAND,
};
}
#[cfg(target_arch = "x86_64")]
///
/// Return the list of initial MSR entries for a VCPU
///
fn boot_msr_entries(&self) -> MsrEntries {
use crate::arch::x86::{msr_index, MTRR_ENABLE, MTRR_MEM_TYPE_WB};
use kvm_bindings::kvm_msr_entry as MsrEntry;
MsrEntries::from_entries(&[
msr!(msr_index::MSR_IA32_SYSENTER_CS),
msr!(msr_index::MSR_IA32_SYSENTER_ESP),
msr!(msr_index::MSR_IA32_SYSENTER_EIP),
msr!(msr_index::MSR_STAR),
msr!(msr_index::MSR_CSTAR),
msr!(msr_index::MSR_LSTAR),
msr!(msr_index::MSR_KERNEL_GS_BASE),
msr!(msr_index::MSR_SYSCALL_MASK),
msr!(msr_index::MSR_IA32_TSC),
msr_data!(
msr_index::MSR_IA32_MISC_ENABLE,
msr_index::MSR_IA32_MISC_ENABLE_FAST_STRING as u64
),
msr_data!(msr_index::MSR_MTRRdefType, MTRR_ENABLE | MTRR_MEM_TYPE_WB),
])
.unwrap()
}
}
/// Device struct for KVM

22
hypervisor/src/kvm/x86_64/mod.rs
View File

@@ -8,7 +8,7 @@
//
//
use crate::arch::x86::{msr_index, SegmentRegisterOps, MTRR_ENABLE, MTRR_MEM_TYPE_WB};
use crate::arch::x86::SegmentRegisterOps;
use crate::kvm::{Cap, Kvm, KvmError, KvmResult};
use serde::{Deserialize, Serialize};
@@ -91,26 +91,6 @@ impl SegmentRegisterOps for SegmentRegister {
}
}
pub fn boot_msr_entries() -> MsrEntries {
MsrEntries::from_entries(&[
msr!(msr_index::MSR_IA32_SYSENTER_CS),
msr!(msr_index::MSR_IA32_SYSENTER_ESP),
msr!(msr_index::MSR_IA32_SYSENTER_EIP),
msr!(msr_index::MSR_STAR),
msr!(msr_index::MSR_CSTAR),
msr!(msr_index::MSR_LSTAR),
msr!(msr_index::MSR_KERNEL_GS_BASE),
msr!(msr_index::MSR_SYSCALL_MASK),
msr!(msr_index::MSR_IA32_TSC),
msr_data!(
msr_index::MSR_IA32_MISC_ENABLE,
msr_index::MSR_IA32_MISC_ENABLE_FAST_STRING as u64
),
msr_data!(msr_index::MSR_MTRRdefType, MTRR_ENABLE | MTRR_MEM_TYPE_WB),
])
.unwrap()
}
///
/// Check KVM extension for Linux
///