hypervisor: Add get/set clock API

Add the hypervisor wrappers to expose KVM_GET_CLOCK and KVM_SET_CLOCK
from the KVM API.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
2020-06-23 11:07:06 +02:00
committed by Rob Bradford
parent 4b64f2a027
commit 68ec0eb7a8
2 changed files with 34 additions and 2 deletions

View File

@@ -11,6 +11,8 @@
#[cfg(target_arch = "aarch64")]
use crate::aarch64::VcpuInit;
use crate::cpu::Vcpu;
#[cfg(target_arch = "x86_64")]
use crate::ClockData;
use crate::{CreateDevice, DeviceFd, IoEventAddress, IrqRouting, MemoryRegion};
use std::sync::Arc;
use thiserror::Error;
@@ -97,6 +99,16 @@ pub enum HypervisorVmError {
///
#[error("Failed to enable split Irq: {0}")]
EnableSplitIrq(#[source] anyhow::Error),
///
/// Get clock error
///
#[error("Failed to get clock: {0}")]
GetClock(#[source] anyhow::Error),
///
/// Set clock error
///
#[error("Failed to set clock: {0}")]
SetClock(#[source] anyhow::Error),
}
///
/// Result type for returning from a function
@@ -141,4 +153,10 @@ pub trait Vm: Send + Sync {
/// Enable split Irq capability
#[cfg(target_arch = "x86_64")]
fn enable_split_irq(&self) -> Result<()>;
/// Retrieve guest clock.
#[cfg(target_arch = "x86_64")]
fn get_clock(&self) -> Result<ClockData>;
/// Set guest clock.
#[cfg(target_arch = "x86_64")]
fn set_clock(&self, data: &ClockData) -> Result<()>;
}