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vmm: memory_manager: Add file_offset to GuestRamMapping

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This will help restoring the region with the correct file offset for the
memory mapping.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2021-10-05 13:46:56 +02:00 committed by Bo Chen
parent 01420f5195
commit 0d573ae86c
1 changed files with 11 additions and 0 deletions
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11
vmm/src/memory_manager.rs
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@ -129,6 +129,8 @@ struct GuestRamMapping {
zone_id: String, zone_id: String,
#[allow(dead_code)] #[allow(dead_code)]
virtio_mem: bool, virtio_mem: bool,
#[allow(dead_code)]
file_offset: u64,
} }
pub struct MemoryManager { pub struct MemoryManager {
@ -703,12 +705,20 @@ impl MemoryManager {
false, false,
self.log_dirty, self.log_dirty,
)?; )?;
let file_offset = if let Some(file_offset) = region.file_offset() {
file_offset.start()
} else {
0
};
self.guest_ram_mappings.push(GuestRamMapping { self.guest_ram_mappings.push(GuestRamMapping {
gpa: region.start_addr().raw_value(), gpa: region.start_addr().raw_value(),
size: region.len(), size: region.len(),
slot, slot,
zone_id: zone_id.clone(), zone_id: zone_id.clone(),
virtio_mem, virtio_mem,
file_offset,
}); });
self.allocator self.allocator
.lock() .lock()
@ -1188,6 +1198,7 @@ impl MemoryManager {
slot, slot,
zone_id: DEFAULT_MEMORY_ZONE.to_string(), zone_id: DEFAULT_MEMORY_ZONE.to_string(),
virtio_mem: false, virtio_mem: false,
file_offset: 0,
}); });
self.add_region(Arc::clone(&region))?; self.add_region(Arc::clone(&region))?;