kata-containers/cloud-hypervisor
1
0
Fork 0
mirror of https://github.com/cloud-hypervisor/cloud-hypervisor.git synced 2026-08-05 02:19:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

vmm: api: Introduce new "add-device" HTTP endpoint

Browse Source 
This commit introduces the new command "add-device" that will let a user
hotplug a VFIO PCI device to an already running VM.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
2020-02-27 14:00:46 +01:00
committed by Rob Bradford
parent 0f1396acef
commit 0e58741a09
7 changed files with 134 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
vmm/src/api/http_endpoint.rs
View File

@@ -5,8 +5,9 @@
use crate::api::http::EndpointHandler;
use crate::api::{
vm_boot, vm_create, vm_delete, vm_info, vm_pause, vm_reboot, vm_resize, vm_resume, vm_shutdown,
vmm_ping, vmm_shutdown, ApiError, ApiRequest, ApiResult, VmAction, VmConfig, VmResizeData,
vm_add_device, vm_boot, vm_create, vm_delete, vm_info, vm_pause, vm_reboot, vm_resize,
vm_resume, vm_shutdown, vmm_ping, vmm_shutdown, ApiError, ApiRequest, ApiResult, VmAction,
VmAddDeviceData, VmConfig, VmResizeData,
};
use micro_http::{Body, Method, Request, Response, StatusCode, Version};
use serde_json::Error as SerdeError;
@@ -47,6 +48,9 @@ pub enum HttpError {
/// Could not resize a VM
VmResize(ApiError),
/// Could not add a device to a VM
VmAddDevice(ApiError),
/// Could not shut the VMM down
VmmShutdown(ApiError),
@@ -261,3 +265,43 @@ impl EndpointHandler for VmResize {
}
}
}
// /api/v1/vm.add-device handler
pub struct VmAddDevice {}
impl EndpointHandler for VmAddDevice {
fn handle_request(
&self,
req: &Request,
api_notifier: EventFd,
api_sender: Sender<ApiRequest>,
) -> Response {
match req.method() {
Method::Put => {
match &req.body {
Some(body) => {
// Deserialize into a VmAddDeviceData
let vm_add_device_data: VmAddDeviceData =
match serde_json::from_slice(body.raw())
.map_err(HttpError::SerdeJsonDeserialize)
{
Ok(config) => config,
Err(e) => return error_response(e, StatusCode::BadRequest),
};
// Call vm_add_device()
match vm_add_device(api_notifier, api_sender, Arc::new(vm_add_device_data))
.map_err(HttpError::VmAddDevice)
{
Ok(_) => Response::new(Version::Http11, StatusCode::NoContent),
Err(e) => error_response(e, StatusCode::InternalServerError),
}
}
None => Response::new(Version::Http11, StatusCode::BadRequest),
}
}
_ => Response::new(Version::Http11, StatusCode::BadRequest),
}
}
}