From 8fa4466d77b44f4f58f3836601f31ca5e401485d Mon Sep 17 00:00:00 2001
From: Brijesh Singh <brijesh.singh@amd.com>
Date: Thu, 8 Mar 2018 06:48:57 -0600
Subject: [PATCH] sev/i386: add migration blocker

SEV guest migration is not implemented yet.

Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/sev.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/target/i386/sev.c b/target/i386/sev.c
index dc8136c56e..639973ce4c 100644
--- a/target/i386/sev.c
+++ b/target/i386/sev.c
@@ -24,11 +24,13 @@
 #include "sev_i386.h"
 #include "sysemu/sysemu.h"
 #include "trace.h"
+#include "migration/blocker.h"
 
 #define DEFAULT_GUEST_POLICY    0x1 /* disable debug */
 #define DEFAULT_SEV_DEVICE      "/dev/sev"
 
 static SEVState *sev_state;
+static Error *sev_mig_blocker;
 
 static const char *const sev_fw_errlist[] = {
     "",
@@ -582,6 +584,7 @@ static void
 sev_launch_finish(SEVState *s)
 {
     int ret, error;
+    Error *local_err = NULL;
 
     trace_kvm_sev_launch_finish();
     ret = sev_ioctl(sev_state->sev_fd, KVM_SEV_LAUNCH_FINISH, 0, &error);
@@ -592,6 +595,16 @@ 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