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hypervisor: rework VP state components

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On Microsoft Hypervisor, we need to save/restore five
VP state components which are as follows:
    1. Local APIC
    2. Xsave
    3. Synthetic Message Page
    4. Synthetic Event Flags Page
    5. Synthetic Timers

In the MSHV crate we created a single struct for all the
components and API to get/set the states.

Signed-off-by: Muminul Islam <muislam@microsoft.com>
This commit is contained in:
Muminul Islam
2024-04-15 14:06:48 -07:00
committed by Bo Chen
parent e7e856d8ac
commit 512591ba1c
3 changed files with 30 additions and 36 deletions
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14
hypervisor/src/cpu.rs
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@@ -107,14 +107,28 @@ pub enum HypervisorCpuError {
///
/// Setting Saved Processor Extended States error
///
#[cfg(feature = "kvm")]
#[error("Failed to set Saved Processor Extended States: {0}")]
SetXsaveState(#[source] anyhow::Error),
///
/// Getting Saved Processor Extended States error
///
#[cfg(feature = "kvm")]
#[error("Failed to get Saved Processor Extended States: {0}")]
GetXsaveState(#[source] anyhow::Error),
///
/// Getting the VP state components error
///
#[cfg(feature = "mshv")]
#[error("Failed to get VP State Components: {0}")]
GetAllVpStateComponents(#[source] anyhow::Error),
///
/// Setting the VP state components error
///
#[cfg(feature = "mshv")]
#[error("Failed to set VP State Components: {0}")]
SetAllVpStateComponents(#[source] anyhow::Error),
///
/// Setting Extended Control Registers error
///
#[error("Failed to set Extended Control Registers: {0}")]