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vmm: Add hotplugged_size to VirtioMemZone

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Adding a new field to VirtioMemZone structure, as it lets us associate
with a particular virtio-mem region the amount of memory that should be
plugged in at boot.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2020-09-14 22:36:58 +02:00
parent 3faf8605f3
commit de2b917f55
2 changed files with 6 additions and 1 deletions
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2
vmm/src/device_manager.rs
View file

@ -2449,7 +2449,7 @@ impl DeviceManager {
.map_err(DeviceManagerError::TryCloneVirtioMemResize)?,
self.seccomp_action.clone(),
node_id,
0,
virtio_mem_zone.hotplugged_size(),
)
.map_err(DeviceManagerError::CreateVirtioMem)?,
));

5
vmm/src/memory_manager.rs
View file

@ -67,6 +67,7 @@ struct HotPlugState {
pub struct VirtioMemZone {
region: Arc<GuestRegionMmap>,
resize_handler: virtio_devices::Resize,
hotplugged_size: u64,
}
impl VirtioMemZone {
@ -76,6 +77,9 @@ impl VirtioMemZone {
pub fn resize_handler(&self) -> &virtio_devices::Resize {
&self.resize_handler
}
pub fn hotplugged_size(&self) -> u64 {
self.hotplugged_size
}
}
#[derive(Default)]
@ -612,6 +616,7 @@ impl MemoryManager {
region,
resize_handler: virtio_devices::Resize::new()
.map_err(Error::EventFdFail)?,
hotplugged_size: zone.hotplugged_size.unwrap_or(0),
});
start_of_device_area = start_addr.unchecked_add(hotplug_size);