agent: acquire memory hotplug probe info via GetGuestDetails

In order to support memory hotplug via probe interface in kata-runtime, firstly, we need to verify whether guest kernel is capable of that. Fixes: kata-containers#1149 Signed-off-by: Penny Zheng <[email protected]>
Pennyzct · Mar 6, 2019 · 48e44c8 · 48e44c8
1 parent 2af09d1
commit 48e44c8
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diff --git a/virtcontainers/sandbox.go b/virtcontainers/sandbox.go
@@ -401,6 +401,7 @@ func createAssets(ctx context.Context, sandboxConfig *SandboxConfig) error {
 func (s *Sandbox) getAndStoreGuestDetails() error {
 	guestDetailRes, err := s.agent.getGuestDetails(&grpc.GuestDetailsRequest{
 		MemBlockSize: true,
+		MemHotplugProbe: true,
 	})
 	if err != nil {
 		return err
@@ -411,6 +412,7 @@ func (s *Sandbox) getAndStoreGuestDetails() error {
 		if guestDetailRes.AgentDetails != nil {
 			s.seccompSupported = guestDetailRes.AgentDetails.SupportsSeccomp
 		}
+		s.state.GuestMemoryHotplugProbe = guestDetailRes.SupportMemHotplugProbe
 
 		if err = s.store.Store(store.State, s.state); err != nil {
 			return err

diff --git a/virtcontainers/types/sandbox.go b/virtcontainers/types/sandbox.go
@@ -56,6 +56,9 @@ type State struct {
 	// are used, those resources change when a container is updated but
 	// the config json is not updated.
 	Resources specs.LinuxResources `json:"resources,omitempty"`
+
+	// GuestMemoryHotplugProbe determines whether guest kernel supports memory hotplug probe interface
+        GuestMemoryHotplugProbe bool `json:"guestMemoryHotplugProbe"`
 }
 
 // Valid checks that the sandbox state is valid.