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hypervisor x86: provide a generic LapicState structure

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This requires making get/set_lapic_reg part of the type.

For the moment we cannot provide a default variant for the new type,
because picking one will be wrong for the other hypervisor, so I just
drop the test cases that requires LapicState::default().

Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu
2022-07-18 15:47:51 +00:00
committed by Liu Wei
parent d461daa7fa
commit 05e5106b9b
10 changed files with 132 additions and 86 deletions
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11
hypervisor/src/mshv/mod.rs
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@@ -37,7 +37,7 @@ use std::fs::File;
use std::os::unix::io::AsRawFd;
#[cfg(target_arch = "x86_64")]
use crate::arch::x86::{CpuIdEntry, FpuState, SpecialRegisters, StandardRegisters};
use crate::arch::x86::{CpuIdEntry, FpuState, LapicState, SpecialRegisters, StandardRegisters};
const DIRTY_BITMAP_CLEAR_DIRTY: u64 = 0x4;
const DIRTY_BITMAP_SET_DIRTY: u64 = 0x8;
@@ -543,17 +543,20 @@ impl cpu::Vcpu for MshvVcpu {
/// Returns the state of the LAPIC (Local Advanced Programmable Interrupt Controller).
///
fn get_lapic(&self) -> cpu::Result<LapicState> {
self.fd
Ok(self
.fd
.get_lapic()
.map_err(|e| cpu::HypervisorCpuError::GetlapicState(e.into()))
.map_err(|e| cpu::HypervisorCpuError::GetlapicState(e.into()))?
.into())
}
#[cfg(target_arch = "x86_64")]
///
/// Sets the state of the LAPIC (Local Advanced Programmable Interrupt Controller).
///
fn set_lapic(&self, lapic: &LapicState) -> cpu::Result<()> {
let lapic: mshv_bindings::LapicState = (*lapic).clone().into();
self.fd
.set_lapic(lapic)
.set_lapic(&lapic)
.map_err(|e| cpu::HypervisorCpuError::SetLapicState(e.into()))
}
///