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vmm: Merge Vm::new_from_snapshot with Vm::new
Given the recent factorization that happened in vm.rs, we're now able to merge Vm::new_from_snapshot with Vm::new. Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
parent
1c36065754
commit
e8c6d83f3f
@ -584,6 +584,9 @@ impl Vmm {
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None,
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None,
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None,
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None,
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None,
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None,
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)?;
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self.vm = Some(vm);
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@ -667,18 +670,21 @@ impl Vmm {
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.try_clone()
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.map_err(VmError::EventFdClone)?;
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let vm = Vm::new_from_snapshot(
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&snapshot,
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let vm = Vm::new(
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vm_config,
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exit_evt,
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reset_evt,
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#[cfg(feature = "guest_debug")]
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debug_evt,
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Some(source_url),
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restore_cfg.prefault,
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&self.seccomp_action,
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self.hypervisor.clone(),
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activate_evt,
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None,
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None,
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None,
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Some(snapshot.clone()),
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Some(source_url),
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Some(restore_cfg.prefault),
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)?;
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self.vm = Some(vm);
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@ -756,6 +762,9 @@ impl Vmm {
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serial_pty,
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console_pty,
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console_resize_pipe,
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None,
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None,
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None,
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)?;
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// And we boot it
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109
vmm/src/vm.rs
109
vmm/src/vm.rs
@ -720,7 +720,7 @@ impl Vm {
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#[allow(clippy::too_many_arguments)]
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pub fn new(
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config: Arc<Mutex<VmConfig>>,
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vm_config: Arc<Mutex<VmConfig>>,
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exit_evt: EventFd,
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reset_evt: EventFd,
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#[cfg(feature = "guest_debug")] vm_debug_evt: EventFd,
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@ -730,13 +730,20 @@ impl Vm {
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serial_pty: Option<PtyPair>,
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console_pty: Option<PtyPair>,
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console_resize_pipe: Option<File>,
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snapshot: Option<Snapshot>,
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source_url: Option<&str>,
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prefault: Option<bool>,
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) -> Result<Self> {
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trace_scoped!("Vm::new");
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let timestamp = Instant::now();
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#[cfg(feature = "tdx")]
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let tdx_enabled = config.lock().unwrap().is_tdx_enabled();
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let tdx_enabled = if snapshot.is_some() {
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false
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} else {
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vm_config.lock().unwrap().is_tdx_enabled()
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};
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let vm = Self::create_hypervisor_vm(
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&hypervisor,
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@ -744,83 +751,37 @@ impl Vm {
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tdx_enabled,
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)?;
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let phys_bits = physical_bits(config.lock().unwrap().cpus.max_phys_bits);
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let phys_bits = physical_bits(vm_config.lock().unwrap().cpus.max_phys_bits);
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#[cfg(target_arch = "x86_64")]
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let sgx_epc_config = config.lock().unwrap().sgx_epc.clone();
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let memory_manager = MemoryManager::new(
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vm.clone(),
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&config.lock().unwrap().memory.clone(),
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None,
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phys_bits,
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#[cfg(feature = "tdx")]
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tdx_enabled,
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None,
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None,
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#[cfg(target_arch = "x86_64")]
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sgx_epc_config,
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)
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.map_err(Error::MemoryManager)?;
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Vm::new_from_memory_manager(
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config,
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memory_manager,
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vm,
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exit_evt,
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reset_evt,
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#[cfg(feature = "guest_debug")]
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vm_debug_evt,
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seccomp_action,
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hypervisor,
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activate_evt,
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false,
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timestamp,
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serial_pty,
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console_pty,
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console_resize_pipe,
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None,
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)
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}
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#[allow(clippy::too_many_arguments)]
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pub fn new_from_snapshot(
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snapshot: &Snapshot,
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vm_config: Arc<Mutex<VmConfig>>,
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exit_evt: EventFd,
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reset_evt: EventFd,
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#[cfg(feature = "guest_debug")] vm_debug_evt: EventFd,
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source_url: Option<&str>,
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prefault: bool,
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seccomp_action: &SeccompAction,
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hypervisor: Arc<dyn hypervisor::Hypervisor>,
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activate_evt: EventFd,
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) -> Result<Self> {
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let timestamp = Instant::now();
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let vm = Self::create_hypervisor_vm(
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&hypervisor,
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#[cfg(feature = "tdx")]
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false,
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)?;
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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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let memory_manager = if let Some(snapshot) =
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snapshot_from_id(snapshot.as_ref(), MEMORY_MANAGER_SNAPSHOT_ID)
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{
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let phys_bits = physical_bits(vm_config.lock().unwrap().cpus.max_phys_bits);
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MemoryManager::new_from_snapshot(
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memory_manager_snapshot,
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&snapshot,
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vm.clone(),
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&vm_config.lock().unwrap().memory.clone(),
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source_url,
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prefault,
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prefault.unwrap(),
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phys_bits,
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)
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.map_err(Error::MemoryManager)?
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} else {
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return Err(Error::Restore(MigratableError::Restore(anyhow!(
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"Missing memory manager snapshot"
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))));
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#[cfg(target_arch = "x86_64")]
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let sgx_epc_config = vm_config.lock().unwrap().sgx_epc.clone();
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MemoryManager::new(
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vm.clone(),
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&vm_config.lock().unwrap().memory.clone(),
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None,
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phys_bits,
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#[cfg(feature = "tdx")]
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tdx_enabled,
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None,
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None,
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#[cfg(target_arch = "x86_64")]
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sgx_epc_config,
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)
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.map_err(Error::MemoryManager)?
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};
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Vm::new_from_memory_manager(
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@ -834,12 +795,12 @@ impl Vm {
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seccomp_action,
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hypervisor,
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activate_evt,
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true,
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snapshot.is_some(),
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timestamp,
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None,
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None,
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None,
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Some(snapshot),
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serial_pty,
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console_pty,
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console_resize_pipe,
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snapshot.as_ref(),
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)
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}
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