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arch: aarch64: Versionize Gicv3State

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Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2021-05-26 15:06:28 +00:00
committed by Sebastien Boeuf
parent a174ad011e
commit 72ec98b8a8
3 changed files with 12 additions and 3 deletions
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11
arch/src/aarch64/gic/gicv3.rs
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@@ -14,8 +14,11 @@ pub mod kvm {
use std::convert::TryInto;
use std::sync::Arc;
use std::{boxed::Box, result};
use versionize::{VersionMap, Versionize, VersionizeResult};
use versionize_derive::Versionize;
use vm_migration::{
Migratable, MigratableError, Pausable, Snapshot, Snapshottable, Transportable,
VersionMapped,
};
/// Errors thrown while saving/restoring the GICv3.
@@ -57,7 +60,7 @@ pub mod kvm {
vcpu_count: u64,
}
#[derive(Serialize, Deserialize)]
#[derive(Serialize, Deserialize, Versionize)]
pub struct Gicv3State {
dist: Vec<u32>,
rdist: Vec<u32>,
@@ -66,6 +69,8 @@ pub mod kvm {
gicd_ctlr: u32,
}
impl VersionMapped for Gicv3State {}
impl KvmGicV3 {
// Unfortunately bindgen omits defines that are based on other defines.
// See arch/arm64/include/uapi/asm/kvm.h file from the linux kernel.
@@ -229,12 +234,12 @@ pub mod kvm {
fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {
let gicr_typers = self.gicr_typers.clone();
Snapshot::new_from_state(&self.id(), &self.state(&gicr_typers).unwrap())
Snapshot::new_from_versioned_state(&self.id(), &self.state(&gicr_typers).unwrap())
}
fn restore(&mut self, snapshot: Snapshot) -> std::result::Result<(), MigratableError> {
let gicr_typers = self.gicr_typers.clone();
self.set_state(&gicr_typers, &snapshot.to_state(&self.id())?)
self.set_state(&gicr_typers, &snapshot.to_versioned_state(&self.id())?)
.map_err(|e| {
MigratableError::Restore(anyhow!("Could not restore GICv3 state {:?}", e))
})