[PATCH v6 23/23] sev: add migration blocker

[Brijesh Singh <brijesh.singh@xxxxxxx>]

SEV guest migration is not implemented yet.

Signed-off-by: Brijesh Singh <brijesh.singh@xxxxxxx>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@xxxxxxxxxx>
---
 accel/kvm/sev.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/accel/kvm/sev.c b/accel/kvm/sev.c
index 65d34c531ee5..6800e059f57c 100644
--- a/accel/kvm/sev.c
+++ b/accel/kvm/sev.c
@@ -20,6 +20,7 @@
 #include "sysemu/sysemu.h"
 #include "trace.h"
 #include "qapi-event.h"
+#include "migration/blocker.h"
 
 #define DEFAULT_GUEST_POLICY    0x1 /* disable debug */
 #define DEFAULT_SEV_DEVICE      "/dev/sev"
@@ -28,6 +29,7 @@
 static int sev_fd;
 static SEVState *sev_state;
 static MemoryRegionRAMReadWriteOps  sev_ops;
+static Error *sev_mig_blocker;
 
 #define SEV_FW_MAX_ERROR      0x17
 
@@ -479,6 +481,7 @@ static void
 sev_launch_finish(SEVState *s)
 {
     int ret, error;
+    Error *local_err = NULL;
 
     trace_kvm_sev_launch_finish();
     ret = sev_ioctl(KVM_SEV_LAUNCH_FINISH, 0, &error);
@@ -489,6 +492,16 @@ sev_launch_finish(SEVState *s)
     }
 
     sev_set_guest_state(SEV_STATE_RUNNING);
+
+    /* add migration blocker */
+    error_setg(&sev_mig_blocker,
+               "SEV: Migration is not implemented");
+    ret = migrate_add_blocker(sev_mig_blocker, &local_err);
+    if (local_err) {
+        error_report_err(local_err);
+        error_free(sev_mig_blocker);
+        exit(1);
+    }
 }
 
 static void
-- 
2.9.5