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vm-migration: Derive Versionize for MemoryRangeTable structure

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During snapshot/restore we will need to store this structure, which is
why it must derive the Versionize trait.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2021-09-27 14:04:15 +02:00 committed by Bo Chen
parent 1ea63f50a1
commit 2569621c4b
1 changed files with 8 additions and 4 deletions
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12
vm-migration/src/protocol.rs
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@ -3,7 +3,10 @@
// SPDX-License-Identifier: Apache-2.0
//
use crate::MigratableError;
use crate::{MigratableError, VersionMapped};
use std::io::{Read, Write};
use versionize::{VersionMap, Versionize, VersionizeResult};
use versionize_derive::Versionize;
use vm_memory::ByteValued;
// Migration protocol
@ -28,8 +31,6 @@ use vm_memory::ByteValued;
// The destination can at any time send an "error response" to cancel
// The source can at any time send an "abandon request" to cancel
use std::io::{Read, Write};
#[repr(u16)]
#[derive(Copy, Clone)]
pub enum Command {
@ -173,16 +174,19 @@ impl Response {
unsafe impl ByteValued for Response {}
#[repr(C)]
#[derive(Clone, Versionize)]
pub struct MemoryRange {
pub gpa: u64,
pub length: u64,
}
#[derive(Default)]
#[derive(Clone, Default, Versionize)]
pub struct MemoryRangeTable {
data: Vec<MemoryRange>,
}
impl VersionMapped for MemoryRangeTable {}
impl MemoryRangeTable {
pub fn from_bitmap(bitmap: Vec<u64>, start_addr: u64, page_size: u64) -> Self {
let mut table = MemoryRangeTable::default();