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hypervisor: Retrieve list of supported MSRs

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Add a new function to the hypervisor trait so that the caller can
retrieve the list of MSRs supported by this hypervisor.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
2020-06-29 18:00:49 +02:00
committed by Rob Bradford
parent e2b5c78dc5
commit 49b4fba283
3 changed files with 22 additions and 3 deletions
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12
hypervisor/src/hypervisor.rs
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@@ -9,7 +9,7 @@
//
use crate::vm::Vm;
#[cfg(target_arch = "x86_64")]
use crate::x86_64::CpuId;
use crate::x86_64::{CpuId, MsrList};
#[cfg(target_arch = "x86_64")]
use kvm_ioctls::Cap;
use std::sync::Arc;
@@ -55,6 +55,11 @@ pub enum HypervisorError {
///
#[error("Failed to get number of max vcpus: {0}")]
GetCpuId(#[source] anyhow::Error),
///
/// Failed to retrieve list of MSRs.
///
#[error("Failed to get the list of supported MSRs: {0}")]
GetMsrList(#[source] anyhow::Error),
}
///
@@ -103,4 +108,9 @@ pub trait Hypervisor: Send + Sync {
/// Check particular extensions if any
///
fn check_required_extensions(&self) -> Result<()>;
#[cfg(target_arch = "x86_64")]
///
/// Retrieve the list of MSRs supported by the hypervisor.
///
fn get_msr_list(&self) -> Result<MsrList>;
}