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vmm: Reject VM snapshot request if TDX in use

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It is not possible to snapshot the contents of a TDX VM.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2021-03-03 15:38:53 +00:00
parent 835a31e283
commit d24aa887b6
1 changed files with 9 additions and 0 deletions
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9
vmm/src/vm.rs
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@ -2127,6 +2127,15 @@ impl Snapshottable for Vm {
fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {
event!("vm", "snapshotting");
#[cfg(feature = "tdx")]
{
if self.config.lock().unwrap().tdx.is_some() {
return Err(MigratableError::Snapshot(anyhow!(
"Snapshot not possible with TDX VM"
)));
}
}
let current_state = self.get_state().unwrap();
if current_state != VmState::Paused {
return Err(MigratableError::Snapshot(anyhow!(