mirror of
https://github.com/cloud-hypervisor/cloud-hypervisor.git
synced 2024-10-01 02:55:45 +00:00
vmm: Add support for hotplugging a vDPA device
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
parent
c73c6039c3
commit
3fea5f5396
@ -100,6 +100,7 @@ Add fs device to the VM | `/vm.add-fs` | `/schemas/FsConfig`
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Add pmem device to the VM | `/vm.add-pmem` | `/schemas/PmemConfig` | `/schemas/PciDeviceInfo` | The VM is booted
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Add pmem device to the VM | `/vm.add-pmem` | `/schemas/PmemConfig` | `/schemas/PciDeviceInfo` | The VM is booted
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Add network device to the VM | `/vm.add-net` | `/schemas/NetConfig` | `/schemas/PciDeviceInfo` | The VM is booted
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Add network device to the VM | `/vm.add-net` | `/schemas/NetConfig` | `/schemas/PciDeviceInfo` | The VM is booted
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Add userspace PCI device to the VM | `/vm.add-user-device`| `/schemas/VmAddUserDevice`| `/schemas/PciDeviceInfo` | The VM is booted
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Add userspace PCI device to the VM | `/vm.add-user-device`| `/schemas/VmAddUserDevice`| `/schemas/PciDeviceInfo` | The VM is booted
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Add vdpa device to the VM | `/vm.add-vdpa` | `/schemas/VdpaConfig` | `/schemas/PciDeviceInfo` | The VM is booted
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Add vsock device to the VM | `/vm.add-vsock` | `/schemas/VsockConfig` | `/schemas/PciDeviceInfo` | The VM is booted
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Add vsock device to the VM | `/vm.add-vsock` | `/schemas/VsockConfig` | `/schemas/PciDeviceInfo` | The VM is booted
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Remove device from the VM | `/vm.remove-device` | `/schemas/VmRemoveDevice` | N/A | The VM is booted
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Remove device from the VM | `/vm.remove-device` | `/schemas/VmRemoveDevice` | N/A | The VM is booted
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Dump the VM counters | `/vm.counters` | N/A | `/schemas/VmCounters` | The VM is booted
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Dump the VM counters | `/vm.counters` | N/A | `/schemas/VmCounters` | The VM is booted
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@ -102,6 +102,9 @@ pub enum HttpError {
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/// Could not add a network device to a VM
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/// Could not add a network device to a VM
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VmAddNet(ApiError),
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VmAddNet(ApiError),
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/// Could not add a vDPA device to a VM
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VmAddVdpa(ApiError),
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/// Could not add a vsock device to a VM
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/// Could not add a vsock device to a VM
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VmAddVsock(ApiError),
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VmAddVsock(ApiError),
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@ -220,6 +223,7 @@ lazy_static! {
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r.routes.insert(endpoint!("/vm.add-fs"), Box::new(VmActionHandler::new(VmAction::AddFs(Arc::default()))));
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r.routes.insert(endpoint!("/vm.add-fs"), Box::new(VmActionHandler::new(VmAction::AddFs(Arc::default()))));
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r.routes.insert(endpoint!("/vm.add-net"), Box::new(VmActionHandler::new(VmAction::AddNet(Arc::default()))));
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r.routes.insert(endpoint!("/vm.add-net"), Box::new(VmActionHandler::new(VmAction::AddNet(Arc::default()))));
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r.routes.insert(endpoint!("/vm.add-pmem"), Box::new(VmActionHandler::new(VmAction::AddPmem(Arc::default()))));
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r.routes.insert(endpoint!("/vm.add-pmem"), Box::new(VmActionHandler::new(VmAction::AddPmem(Arc::default()))));
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r.routes.insert(endpoint!("/vm.add-vdpa"), Box::new(VmActionHandler::new(VmAction::AddVdpa(Arc::default()))));
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r.routes.insert(endpoint!("/vm.add-vsock"), Box::new(VmActionHandler::new(VmAction::AddVsock(Arc::default()))));
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r.routes.insert(endpoint!("/vm.add-vsock"), Box::new(VmActionHandler::new(VmAction::AddVsock(Arc::default()))));
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r.routes.insert(endpoint!("/vm.boot"), Box::new(VmActionHandler::new(VmAction::Boot)));
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r.routes.insert(endpoint!("/vm.boot"), Box::new(VmActionHandler::new(VmAction::Boot)));
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r.routes.insert(endpoint!("/vm.counters"), Box::new(VmActionHandler::new(VmAction::Counters)));
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r.routes.insert(endpoint!("/vm.counters"), Box::new(VmActionHandler::new(VmAction::Counters)));
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@ -6,10 +6,10 @@
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use crate::api::http::{error_response, EndpointHandler, HttpError};
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use crate::api::http::{error_response, EndpointHandler, HttpError};
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use crate::api::{
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use crate::api::{
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vm_add_device, vm_add_disk, vm_add_fs, vm_add_net, vm_add_pmem, vm_add_user_device,
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vm_add_device, vm_add_disk, vm_add_fs, vm_add_net, vm_add_pmem, vm_add_user_device,
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vm_add_vsock, vm_boot, vm_counters, vm_create, vm_delete, vm_info, vm_pause, vm_power_button,
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vm_add_vdpa, vm_add_vsock, vm_boot, vm_counters, vm_create, vm_delete, vm_info, vm_pause,
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vm_reboot, vm_receive_migration, vm_remove_device, vm_resize, vm_resize_zone, vm_restore,
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vm_power_button, vm_reboot, vm_receive_migration, vm_remove_device, vm_resize, vm_resize_zone,
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vm_resume, vm_send_migration, vm_shutdown, vm_snapshot, vmm_ping, vmm_shutdown, ApiRequest,
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vm_restore, vm_resume, vm_send_migration, vm_shutdown, vm_snapshot, vmm_ping, vmm_shutdown,
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VmAction, VmConfig,
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ApiRequest, VmAction, VmConfig,
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};
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};
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use crate::config::NetConfig;
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use crate::config::NetConfig;
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use micro_http::{Body, Method, Request, Response, StatusCode, Version};
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use micro_http::{Body, Method, Request, Response, StatusCode, Version};
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@ -121,6 +121,13 @@ impl EndpointHandler for VmActionHandler {
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.map_err(HttpError::VmAddNet)
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.map_err(HttpError::VmAddNet)
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}
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}
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AddVdpa(_) => vm_add_vdpa(
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api_notifier,
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api_sender,
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Arc::new(serde_json::from_slice(body.raw())?),
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)
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.map_err(HttpError::VmAddVdpa),
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AddVsock(_) => vm_add_vsock(
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AddVsock(_) => vm_add_vsock(
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api_notifier,
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api_notifier,
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api_sender,
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api_sender,
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@ -34,9 +34,9 @@ pub use self::http::start_http_path_thread;
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pub mod http;
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pub mod http;
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pub mod http_endpoint;
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pub mod http_endpoint;
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use crate::config::UserDeviceConfig;
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use crate::config::{
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use crate::config::{
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DeviceConfig, DiskConfig, FsConfig, NetConfig, PmemConfig, RestoreConfig, VmConfig, VsockConfig,
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DeviceConfig, DiskConfig, FsConfig, NetConfig, PmemConfig, RestoreConfig, UserDeviceConfig,
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VdpaConfig, VmConfig, VsockConfig,
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};
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};
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use crate::device_tree::DeviceTree;
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use crate::device_tree::DeviceTree;
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use crate::vm::{Error as VmError, VmState};
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use crate::vm::{Error as VmError, VmState};
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@ -134,6 +134,9 @@ pub enum ApiError {
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/// The network device could not be added to the VM.
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/// The network device could not be added to the VM.
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VmAddNet(VmError),
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VmAddNet(VmError),
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/// The vDPA device could not be added to the VM.
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VmAddVdpa(VmError),
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/// The vsock device could not be added to the VM.
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/// The vsock device could not be added to the VM.
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VmAddVsock(VmError),
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VmAddVsock(VmError),
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@ -294,6 +297,9 @@ pub enum ApiRequest {
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/// Add a network device to the VM.
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/// Add a network device to the VM.
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VmAddNet(Arc<NetConfig>, Sender<ApiResponse>),
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VmAddNet(Arc<NetConfig>, Sender<ApiResponse>),
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/// Add a vDPA device to the VM.
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VmAddVdpa(Arc<VdpaConfig>, Sender<ApiResponse>),
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/// Add a vsock device to the VM.
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/// Add a vsock device to the VM.
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VmAddVsock(Arc<VsockConfig>, Sender<ApiResponse>),
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VmAddVsock(Arc<VsockConfig>, Sender<ApiResponse>),
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@ -371,6 +377,9 @@ pub enum VmAction {
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/// Add network
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/// Add network
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AddNet(Arc<NetConfig>),
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AddNet(Arc<NetConfig>),
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/// Add vdpa
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AddVdpa(Arc<VdpaConfig>),
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/// Add vsock
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/// Add vsock
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AddVsock(Arc<VsockConfig>),
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AddVsock(Arc<VsockConfig>),
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@ -423,6 +432,7 @@ fn vm_action(
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AddFs(v) => ApiRequest::VmAddFs(v, response_sender),
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AddFs(v) => ApiRequest::VmAddFs(v, response_sender),
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AddPmem(v) => ApiRequest::VmAddPmem(v, response_sender),
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AddPmem(v) => ApiRequest::VmAddPmem(v, response_sender),
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AddNet(v) => ApiRequest::VmAddNet(v, response_sender),
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AddNet(v) => ApiRequest::VmAddNet(v, response_sender),
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AddVdpa(v) => ApiRequest::VmAddVdpa(v, response_sender),
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AddVsock(v) => ApiRequest::VmAddVsock(v, response_sender),
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AddVsock(v) => ApiRequest::VmAddVsock(v, response_sender),
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AddUserDevice(v) => ApiRequest::VmAddUserDevice(v, response_sender),
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AddUserDevice(v) => ApiRequest::VmAddUserDevice(v, response_sender),
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RemoveDevice(v) => ApiRequest::VmRemoveDevice(v, response_sender),
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RemoveDevice(v) => ApiRequest::VmRemoveDevice(v, response_sender),
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@ -634,6 +644,14 @@ pub fn vm_add_net(
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vm_action(api_evt, api_sender, VmAction::AddNet(data))
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vm_action(api_evt, api_sender, VmAction::AddNet(data))
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}
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}
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pub fn vm_add_vdpa(
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api_evt: EventFd,
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api_sender: Sender<ApiRequest>,
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data: Arc<VdpaConfig>,
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) -> ApiResult<Option<Body>> {
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vm_action(api_evt, api_sender, VmAction::AddVdpa(data))
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}
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pub fn vm_add_vsock(
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pub fn vm_add_vsock(
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api_evt: EventFd,
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api_evt: EventFd,
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api_sender: Sender<ApiRequest>,
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api_sender: Sender<ApiRequest>,
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@ -325,7 +325,28 @@ paths:
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description: The new device was successfully (cold) added to the VM instance.
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description: The new device was successfully (cold) added to the VM instance.
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500:
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500:
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description: The new device could not be added to the VM instance.
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description: The new device could not be added to the VM instance.
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/vm.add-vdpa:
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put:
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summary: Add a new vDPA device to the VM
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requestBody:
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description: The details of the new vDPA device
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/VdpaConfig'
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required: true
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responses:
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200:
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description: The new vDPA device was successfully added to the VM instance.
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/PciDeviceInfo'
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204:
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description: The new vDPA device was successfully (cold) added to the VM instance.
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500:
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description: The new vDPA device could not be added to the VM instance.
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/vm.snapshot:
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/vm.snapshot:
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put:
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put:
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@ -3977,6 +3977,11 @@ impl DeviceManager {
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self.hotplug_virtio_pci_device(device)
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self.hotplug_virtio_pci_device(device)
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}
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}
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pub fn add_vdpa(&mut self, vdpa_cfg: &mut VdpaConfig) -> DeviceManagerResult<PciDeviceInfo> {
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let device = self.make_vdpa_device(vdpa_cfg)?;
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self.hotplug_virtio_pci_device(device)
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}
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pub fn add_vsock(&mut self, vsock_cfg: &mut VsockConfig) -> DeviceManagerResult<PciDeviceInfo> {
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pub fn add_vsock(&mut self, vsock_cfg: &mut VsockConfig) -> DeviceManagerResult<PciDeviceInfo> {
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let device = self.make_virtio_vsock_device(vsock_cfg)?;
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let device = self.make_virtio_vsock_device(vsock_cfg)?;
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self.hotplug_virtio_pci_device(device)
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self.hotplug_virtio_pci_device(device)
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@ -18,7 +18,7 @@ use crate::api::{
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};
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};
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use crate::config::{
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use crate::config::{
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add_to_config, DeviceConfig, DiskConfig, FsConfig, NetConfig, PmemConfig, RestoreConfig,
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add_to_config, DeviceConfig, DiskConfig, FsConfig, NetConfig, PmemConfig, RestoreConfig,
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UserDeviceConfig, VmConfig, VsockConfig,
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UserDeviceConfig, VdpaConfig, VmConfig, VsockConfig,
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};
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};
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#[cfg(all(feature = "kvm", target_arch = "x86_64"))]
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#[cfg(all(feature = "kvm", target_arch = "x86_64"))]
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use crate::migration::get_vm_snapshot;
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use crate::migration::get_vm_snapshot;
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@ -925,6 +925,32 @@ impl Vmm {
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}
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}
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}
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}
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fn vm_add_vdpa(&mut self, vdpa_cfg: VdpaConfig) -> result::Result<Option<Vec<u8>>, VmError> {
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self.vm_config.as_ref().ok_or(VmError::VmNotCreated)?;
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{
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// Validate the configuration change in a cloned configuration
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let mut config = self.vm_config.as_ref().unwrap().lock().unwrap().clone();
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add_to_config(&mut config.vdpa, vdpa_cfg.clone());
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config.validate().map_err(VmError::ConfigValidation)?;
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}
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if let Some(ref mut vm) = self.vm {
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let info = vm.add_vdpa(vdpa_cfg).map_err(|e| {
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error!("Error when adding new vDPA device to the VM: {:?}", e);
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e
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})?;
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serde_json::to_vec(&info)
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.map(Some)
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.map_err(VmError::SerializeJson)
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} else {
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// Update VmConfig by adding the new device.
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let mut config = self.vm_config.as_ref().unwrap().lock().unwrap();
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add_to_config(&mut config.vdpa, vdpa_cfg);
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Ok(None)
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}
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}
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fn vm_add_vsock(&mut self, vsock_cfg: VsockConfig) -> result::Result<Option<Vec<u8>>, VmError> {
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fn vm_add_vsock(&mut self, vsock_cfg: VsockConfig) -> result::Result<Option<Vec<u8>>, VmError> {
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self.vm_config.as_ref().ok_or(VmError::VmNotCreated)?;
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self.vm_config.as_ref().ok_or(VmError::VmNotCreated)?;
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@ -1742,6 +1768,13 @@ impl Vmm {
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.map(ApiResponsePayload::VmAction);
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.map(ApiResponsePayload::VmAction);
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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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}
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}
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ApiRequest::VmAddVdpa(add_vdpa_data, sender) => {
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let response = self
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.vm_add_vdpa(add_vdpa_data.as_ref().clone())
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.map_err(ApiError::VmAddVdpa)
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.map(ApiResponsePayload::VmAction);
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sender.send(response).map_err(Error::ApiResponseSend)?;
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}
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ApiRequest::VmAddVsock(add_vsock_data, sender) => {
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ApiRequest::VmAddVsock(add_vsock_data, sender) => {
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let response = self
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let response = self
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.vm_add_vsock(add_vsock_data.as_ref().clone())
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.vm_add_vsock(add_vsock_data.as_ref().clone())
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@ -2199,6 +2232,54 @@ mod unit_tests {
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);
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);
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}
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}
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#[test]
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fn test_vmm_vm_cold_add_vdpa() {
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let mut vmm = create_dummy_vmm();
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let vdpa_config = VdpaConfig::parse("path=/dev/vhost-vdpa,num_queues=2").unwrap();
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assert!(matches!(
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vmm.vm_add_vdpa(vdpa_config.clone()),
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Err(VmError::VmNotCreated)
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));
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let _ = vmm.vm_create(create_dummy_vm_config());
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assert!(vmm
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.vm_config
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.as_ref()
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.unwrap()
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.lock()
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.unwrap()
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.vdpa
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.is_none());
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let result = vmm.vm_add_vdpa(vdpa_config.clone());
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assert!(result.is_ok());
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assert!(result.unwrap().is_none());
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assert_eq!(
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vmm.vm_config
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.as_ref()
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.unwrap()
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.lock()
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.unwrap()
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.vdpa
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.clone()
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.unwrap()
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.len(),
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1
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);
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assert_eq!(
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vmm.vm_config
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.as_ref()
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.unwrap()
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.lock()
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.unwrap()
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.vdpa
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.clone()
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.unwrap()[0],
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vdpa_config
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);
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}
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#[test]
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#[test]
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fn test_vmm_vm_cold_add_vsock() {
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fn test_vmm_vm_cold_add_vsock() {
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let mut vmm = create_dummy_vmm();
|
let mut vmm = create_dummy_vmm();
|
||||||
|
@ -15,7 +15,7 @@
|
|||||||
use crate::config::NumaConfig;
|
use crate::config::NumaConfig;
|
||||||
use crate::config::{
|
use crate::config::{
|
||||||
add_to_config, DeviceConfig, DiskConfig, FsConfig, HotplugMethod, NetConfig, PmemConfig,
|
add_to_config, DeviceConfig, DiskConfig, FsConfig, HotplugMethod, NetConfig, PmemConfig,
|
||||||
UserDeviceConfig, ValidationError, VmConfig, VsockConfig,
|
UserDeviceConfig, ValidationError, VdpaConfig, VmConfig, VsockConfig,
|
||||||
};
|
};
|
||||||
use crate::cpu;
|
use crate::cpu;
|
||||||
use crate::device_manager::{self, Console, DeviceManager, DeviceManagerError, PtyPair};
|
use crate::device_manager::{self, Console, DeviceManager, DeviceManagerError, PtyPair};
|
||||||
@ -1506,6 +1506,11 @@ impl Vm {
|
|||||||
pmem.retain(|dev| dev.id.as_ref() != Some(&id));
|
pmem.retain(|dev| dev.id.as_ref() != Some(&id));
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Remove if vDPA device
|
||||||
|
if let Some(vdpa) = config.vdpa.as_mut() {
|
||||||
|
vdpa.retain(|dev| dev.id.as_ref() != Some(&id));
|
||||||
|
}
|
||||||
|
|
||||||
// Remove if vsock device
|
// Remove if vsock device
|
||||||
if let Some(vsock) = config.vsock.as_ref() {
|
if let Some(vsock) = config.vsock.as_ref() {
|
||||||
if vsock.id.as_ref() == Some(&id) {
|
if vsock.id.as_ref() == Some(&id) {
|
||||||
@ -1617,6 +1622,30 @@ impl Vm {
|
|||||||
Ok(pci_device_info)
|
Ok(pci_device_info)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
pub fn add_vdpa(&mut self, mut vdpa_cfg: VdpaConfig) -> Result<PciDeviceInfo> {
|
||||||
|
let pci_device_info = self
|
||||||
|
.device_manager
|
||||||
|
.lock()
|
||||||
|
.unwrap()
|
||||||
|
.add_vdpa(&mut vdpa_cfg)
|
||||||
|
.map_err(Error::DeviceManager)?;
|
||||||
|
|
||||||
|
// Update VmConfig by adding the new device. This is important to
|
||||||
|
// ensure the device would be created in case of a reboot.
|
||||||
|
{
|
||||||
|
let mut config = self.config.lock().unwrap();
|
||||||
|
add_to_config(&mut config.vdpa, vdpa_cfg);
|
||||||
|
}
|
||||||
|
|
||||||
|
self.device_manager
|
||||||
|
.lock()
|
||||||
|
.unwrap()
|
||||||
|
.notify_hotplug(AcpiNotificationFlags::PCI_DEVICES_CHANGED)
|
||||||
|
.map_err(Error::DeviceManager)?;
|
||||||
|
|
||||||
|
Ok(pci_device_info)
|
||||||
|
}
|
||||||
|
|
||||||
pub fn add_vsock(&mut self, mut vsock_cfg: VsockConfig) -> Result<PciDeviceInfo> {
|
pub fn add_vsock(&mut self, mut vsock_cfg: VsockConfig) -> Result<PciDeviceInfo> {
|
||||||
let pci_device_info = self
|
let pci_device_info = self
|
||||||
.device_manager
|
.device_manager
|
||||||
|
Loading…
Reference in New Issue
Block a user