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vmm: Add support for resizing the memory used by the VM
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>
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parent
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commit
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@ -116,6 +116,7 @@ pub struct VmmPingResponse {
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#[derive(Clone, Deserialize, Serialize)]
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#[derive(Clone, Deserialize, Serialize)]
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pub struct VmResizeData {
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pub struct VmResizeData {
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pub desired_vcpus: Option<u8>,
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pub desired_vcpus: Option<u8>,
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pub desired_ram: Option<u64>,
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}
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}
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pub enum ApiResponsePayload {
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pub enum ApiResponsePayload {
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@ -432,3 +432,5 @@ components:
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desired_vcpus:
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desired_vcpus:
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minimum: 1
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minimum: 1
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type: integer
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type: integer
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desired_ram:
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type: integer
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@ -330,9 +330,13 @@ impl Vmm {
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self.vm_delete()
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self.vm_delete()
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}
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}
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fn vm_resize(&mut self, desired_vcpus: Option<u8>) -> result::Result<(), VmError> {
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fn vm_resize(
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&mut self,
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desired_vcpus: Option<u8>,
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desired_ram: Option<u64>,
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) -> result::Result<(), VmError> {
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if let Some(ref mut vm) = self.vm {
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if let Some(ref mut vm) = self.vm {
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vm.resize(desired_vcpus)
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vm.resize(desired_vcpus, desired_ram)
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} else {
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} else {
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Err(VmError::VmNotRunning)
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Err(VmError::VmNotRunning)
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}
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}
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@ -485,7 +489,10 @@ impl Vmm {
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}
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}
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ApiRequest::VmResize(resize_data, sender) => {
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ApiRequest::VmResize(resize_data, sender) => {
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let response = self
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let response = self
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.vm_resize(resize_data.desired_vcpus)
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.vm_resize(
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resize_data.desired_vcpus,
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resize_data.desired_ram,
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)
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.map_err(ApiError::VmResize)
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.map_err(ApiError::VmResize)
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.map(|_| ApiResponsePayload::Empty);
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.map(|_| ApiResponsePayload::Empty);
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sender.send(response).map_err(Error::ApiResponseSend)?;
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sender.send(response).map_err(Error::ApiResponseSend)?;
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@ -482,7 +482,7 @@ impl Vm {
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Ok(())
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Ok(())
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}
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}
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pub fn resize(&mut self, desired_vcpus: Option<u8>) -> Result<()> {
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pub fn resize(&mut self, desired_vcpus: Option<u8>, desired_memory: Option<u64>) -> Result<()> {
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if let Some(desired_vcpus) = desired_vcpus {
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if let Some(desired_vcpus) = desired_vcpus {
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self.cpu_manager
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self.cpu_manager
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.lock()
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.lock()
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@ -495,6 +495,9 @@ impl Vm {
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self.config.lock().unwrap().cpus.boot_vcpus = desired_vcpus;
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self.config.lock().unwrap().cpus.boot_vcpus = desired_vcpus;
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}
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}
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if let Some(desired_memory) = desired_memory {
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self.config.lock().unwrap().memory.size = desired_memory;
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}
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Ok(())
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Ok(())
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}
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}
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