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vmm: Add support for resizing the memory used by the VM

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For now the new memory size is only used after a reboot but support for
hotplugging memory will be added in a later commit.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2020-01-10 15:52:23 +00:00
committed by Samuel Ortiz
parent 78dcb1862c
commit 82fce5a4e2
4 changed files with 17 additions and 4 deletions
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13
vmm/src/lib.rs
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@@ -330,9 +330,13 @@ impl Vmm {
self.vm_delete()
}
fn vm_resize(&mut self, desired_vcpus: Option<u8>) -> result::Result<(), VmError> {
fn vm_resize(
&mut self,
desired_vcpus: Option<u8>,
desired_ram: Option<u64>,
) -> result::Result<(), VmError> {
if let Some(ref mut vm) = self.vm {
vm.resize(desired_vcpus)
vm.resize(desired_vcpus, desired_ram)
} else {
Err(VmError::VmNotRunning)
}
@@ -485,7 +489,10 @@ impl Vmm {
}
ApiRequest::VmResize(resize_data, sender) => {
let response = self
.vm_resize(resize_data.desired_vcpus)
.vm_resize(
resize_data.desired_vcpus,
resize_data.desired_ram,
)
.map_err(ApiError::VmResize)
.map(|_| ApiResponsePayload::Empty);
sender.send(response).map_err(Error::ApiResponseSend)?;