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authorKevin Wolf <kwolf@redhat.com>2011-11-22 16:51:12 +0100
committerKevin Wolf <kwolf@redhat.com>2011-11-23 17:04:04 +0100
commit612ff3d8876a6df0484aa6ebb5cae4575f7514c5 (patch)
tree45cca0daa74313783530c8c6f4d93f40423c9d8c
parent2bc3166c22aeeb5cd7b8f21104f4744f08c7a288 (diff)
downloadqemu-arm-612ff3d8876a6df0484aa6ebb5cae4575f7514c5.tar.gz
vpc: Add migration blocker
vpc caches the BAT. For migration to work, it would have to be invalidated. Block migration for now. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--block/vpc.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/block/vpc.c b/block/vpc.c
index 39a324705d..75d7d4ac77 100644
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -25,6 +25,7 @@
#include "qemu-common.h"
#include "block_int.h"
#include "module.h"
+#include "migration.h"
/**************************************************************/
@@ -128,6 +129,8 @@ typedef struct BDRVVPCState {
uint64_t last_bitmap;
#endif
+
+ Error *migration_blocker;
} BDRVVPCState;
static uint32_t vpc_checksum(uint8_t* buf, size_t size)
@@ -228,6 +231,13 @@ static int vpc_open(BlockDriverState *bs, int flags)
#endif
qemu_co_mutex_init(&s->lock);
+
+ /* Disable migration when VHD images are used */
+ error_set(&s->migration_blocker,
+ QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED,
+ "vpc", bs->device_name, "live migration");
+ migrate_add_blocker(s->migration_blocker);
+
return 0;
fail:
return err;
@@ -651,6 +661,9 @@ static void vpc_close(BlockDriverState *bs)
#ifdef CACHE
g_free(s->pageentry_u8);
#endif
+
+ migrate_del_blocker(s->migration_blocker);
+ error_free(s->migration_blocker);
}
static QEMUOptionParameter vpc_create_options[] = {