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virtio-devices: transport: Version common PCI config state
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
parent
4db7530f28
commit
831dff8b4e
@ -10,10 +10,12 @@ use crate::{Queue, VirtioDevice};
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use byteorder::{ByteOrder, LittleEndian};
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use std::sync::atomic::{AtomicU16, Ordering};
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use std::sync::{Arc, Mutex};
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use versionize::{VersionMap, Versionize, VersionizeResult};
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use versionize_derive::Versionize;
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use vm_memory::GuestAddress;
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use vm_migration::{MigratableError, Pausable, Snapshot, Snapshottable};
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use vm_migration::{MigratableError, Pausable, Snapshot, Snapshottable, VersionMapped};
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#[derive(Clone, Serialize, Deserialize)]
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#[derive(Clone, Versionize)]
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pub struct VirtioPciCommonConfigState {
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pub driver_status: u8,
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pub config_generation: u8,
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@ -23,6 +25,8 @@ pub struct VirtioPciCommonConfigState {
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pub msix_config: u16,
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}
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impl VersionMapped for VirtioPciCommonConfigState {}
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/// Contains the data for reading and writing the common configuration structure of a virtio PCI
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/// device.
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///
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@ -289,11 +293,11 @@ impl Snapshottable for VirtioPciCommonConfig {
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}
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fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {
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Snapshot::new_from_state(&self.id(), &self.state())
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Snapshot::new_from_versioned_state(&self.id(), &self.state())
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}
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fn restore(&mut self, snapshot: Snapshot) -> std::result::Result<(), MigratableError> {
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self.set_state(&snapshot.to_state(&self.id())?);
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self.set_state(&snapshot.to_versioned_state(&self.id())?);
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Ok(())
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}
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}
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