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[Qemu-devel] [RFC PATCH v4 20/20] migration: disable save/restore and mi
From: |
Brijesh Singh |
Subject: |
[Qemu-devel] [RFC PATCH v4 20/20] migration: disable save/restore and migration when SEV is active |
Date: |
Wed, 8 Mar 2017 15:54:43 -0500 |
User-agent: |
StGit/0.17.1-dirty |
Snapshot, Restore and Migration is not implemented yet. Return error when
user tries to perform any of these operations.
Signed-off-by: Brijesh Singh <address@hidden>
---
migration/migration.c | 7 +++++++
migration/savevm.c | 11 +++++++++++
2 files changed, 18 insertions(+)
diff --git a/migration/migration.c b/migration/migration.c
index 3dab684..287c72b 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -37,6 +37,7 @@
#include "io/channel-buffer.h"
#include "io/channel-tls.h"
#include "migration/colo.h"
+#include "sysemu/sev.h"
#define MAX_THROTTLE (32 << 20) /* Migration transfer speed throttling */
@@ -1221,6 +1222,12 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk,
error_setg(errp, QERR_MIGRATION_ACTIVE);
return;
}
+
+ if (sev_enabled()) {
+ error_setg(errp, "Migration is not implemented");
+ return;
+ }
+
if (runstate_check(RUN_STATE_INMIGRATE)) {
error_setg(errp, "Guest is waiting for an incoming migration");
return;
diff --git a/migration/savevm.c b/migration/savevm.c
index 3b19a4a..bf6e9b0 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -54,6 +54,7 @@
#include "qemu/cutils.h"
#include "io/channel-buffer.h"
#include "io/channel-file.h"
+#include "sysemu/sev.h"
#ifndef ETH_P_RARP
#define ETH_P_RARP 0x8035
@@ -2084,6 +2085,11 @@ int save_vmstate(Monitor *mon, const char *name)
Error *local_err = NULL;
AioContext *aio_context;
+ if (sev_enabled()) {
+ monitor_printf(mon, "savevm is not implemented\n");
+ return -1;
+ }
+
if (!bdrv_all_can_snapshot(&bs)) {
monitor_printf(mon, "Device '%s' is writable but does not "
"support snapshots.\n", bdrv_get_device_name(bs));
@@ -2245,6 +2251,11 @@ int load_vmstate(const char *name)
AioContext *aio_context;
MigrationIncomingState *mis = migration_incoming_get_current();
+ if (sev_enabled()) {
+ error_report("loadvm is not implemented");
+ return -ENOTSUP;
+ }
+
if (!bdrv_all_can_snapshot(&bs)) {
error_report("Device '%s' is writable but does not support snapshots.",
bdrv_get_device_name(bs));
- [Qemu-devel] [RFC PATCH v4 14/20] sev: add LAUNCH_FINISH command, (continued)
- [Qemu-devel] [RFC PATCH v4 14/20] sev: add LAUNCH_FINISH command, Brijesh Singh, 2017/03/08
- [Qemu-devel] [RFC PATCH v4 18/20] target/i386: add cpuid Fn8000_001f, Brijesh Singh, 2017/03/08
- [Qemu-devel] [RFC PATCH v4 16/20] sev: add DEBUG_ENCRYPT command, Brijesh Singh, 2017/03/08
- Re: [Qemu-devel] [RFC PATCH v4 00/20] x86: Secure Encrypted Virtualization (AMD), Eduardo Habkost, 2017/03/08
- [Qemu-devel] [RFC PATCH v4 07/20] kvm: add memory encryption api support, Brijesh Singh, 2017/03/08
- [Qemu-devel] [RFC PATCH v4 15/20] sev: add DEBUG_DECRYPT command, Brijesh Singh, 2017/03/08
- [Qemu-devel] [RFC PATCH v4 17/20] target/i386: encrypt bios rom when memory encryption is enabled, Brijesh Singh, 2017/03/08
- [Qemu-devel] [RFC PATCH v4 20/20] migration: disable save/restore and migration when SEV is active,
Brijesh Singh <=
- [Qemu-devel] [RFC PATCH v4 19/20] target/i386: clear memory encryption bit when walking SEV guest page table, Brijesh Singh, 2017/03/08
- Re: [Qemu-devel] [RFC PATCH v4 00/20] x86: Secure Encrypted Virtualization (AMD), no-reply, 2017/03/08