mirror of
https://github.com/cloud-hypervisor/cloud-hypervisor.git
synced 2024-08-21 15:31:15 +00:00
vmm, hypervisor: Add vmstate to snapshot and restore path
Signed-off-by: Muminul Islam <muislam@microsoft.com>
This commit is contained in:
parent
77e901a602
commit
92b4499c1e
@ -69,7 +69,7 @@ pub use {
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#[derive(Clone, Copy, Debug, PartialEq, Deserialize, Serialize)]
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#[derive(Clone, Copy, Debug, PartialEq, Deserialize, Serialize)]
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pub struct KvmVmState {}
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pub struct KvmVmState {}
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use KvmVmState as VmState;
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pub use KvmVmState as VmState;
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/// Wrapper over KVM VM ioctls.
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/// Wrapper over KVM VM ioctls.
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pub struct KvmVm {
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pub struct KvmVm {
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fd: Arc<VmFd>,
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fd: Arc<VmFd>,
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@ -251,7 +251,6 @@ pub struct Vm {
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state: RwLock<VmState>,
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state: RwLock<VmState>,
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cpu_manager: Arc<Mutex<cpu::CpuManager>>,
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cpu_manager: Arc<Mutex<cpu::CpuManager>>,
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memory_manager: Arc<Mutex<MemoryManager>>,
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memory_manager: Arc<Mutex<MemoryManager>>,
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#[cfg(target_arch = "x86_64")]
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#[cfg_attr(not(feature = "kvm"), allow(dead_code))]
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#[cfg_attr(not(feature = "kvm"), allow(dead_code))]
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// The hypervisor abstracted virtual machine.
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// The hypervisor abstracted virtual machine.
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vm: Arc<dyn hypervisor::Vm>,
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vm: Arc<dyn hypervisor::Vm>,
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@ -323,7 +322,6 @@ impl Vm {
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state: RwLock::new(VmState::Created),
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state: RwLock::new(VmState::Created),
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cpu_manager,
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cpu_manager,
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memory_manager,
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memory_manager,
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#[cfg(target_arch = "x86_64")]
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vm,
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vm,
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#[cfg(target_arch = "x86_64")]
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#[cfg(target_arch = "x86_64")]
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saved_clock: _saved_clock,
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saved_clock: _saved_clock,
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@ -404,6 +402,10 @@ impl Vm {
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vm.enable_split_irq().unwrap();
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vm.enable_split_irq().unwrap();
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let vm_snapshot = get_vm_snapshot(snapshot).map_err(Error::Restore)?;
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let vm_snapshot = get_vm_snapshot(snapshot).map_err(Error::Restore)?;
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let config = vm_snapshot.config.clone();
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let config = vm_snapshot.config.clone();
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if let Some(state) = vm_snapshot.state {
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vm.set_state(&state)
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.map_err(|e| Error::Restore(MigratableError::Restore(e.into())))?;
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}
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let memory_manager = if let Some(memory_manager_snapshot) =
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let memory_manager = if let Some(memory_manager_snapshot) =
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snapshot.snapshots.get(MEMORY_MANAGER_SNAPSHOT_ID)
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snapshot.snapshots.get(MEMORY_MANAGER_SNAPSHOT_ID)
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@ -1256,6 +1258,7 @@ pub struct VmSnapshot {
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pub config: Arc<Mutex<VmConfig>>,
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pub config: Arc<Mutex<VmConfig>>,
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#[cfg(target_arch = "x86_64")]
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#[cfg(target_arch = "x86_64")]
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pub clock: Option<hypervisor::ClockData>,
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pub clock: Option<hypervisor::ClockData>,
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pub state: Option<hypervisor::VmState>,
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}
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}
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pub const VM_SNAPSHOT_ID: &str = "vm";
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pub const VM_SNAPSHOT_ID: &str = "vm";
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@ -1273,10 +1276,15 @@ impl Snapshottable for Vm {
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}
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}
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let mut vm_snapshot = Snapshot::new(VM_SNAPSHOT_ID);
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let mut vm_snapshot = Snapshot::new(VM_SNAPSHOT_ID);
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let vm_state = self
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.vm
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.state()
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.map_err(|e| MigratableError::Snapshot(e.into()))?;
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let vm_snapshot_data = serde_json::to_vec(&VmSnapshot {
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let vm_snapshot_data = serde_json::to_vec(&VmSnapshot {
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config: self.get_config(),
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config: self.get_config(),
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#[cfg(target_arch = "x86_64")]
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#[cfg(target_arch = "x86_64")]
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clock: self.saved_clock,
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clock: self.saved_clock,
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state: Some(vm_state),
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})
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})
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.map_err(|e| MigratableError::Snapshot(e.into()))?;
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.map_err(|e| MigratableError::Snapshot(e.into()))?;
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