vmstate: port vmmouse device

[qemu] / block_int.h

diff --git a/block_int.h b/block_int.h
index 8898d91..8e72abe 100644 (file)
--- a/block_int.h
+++ b/block_int.h
@@ -37,6 +37,7 @@
 #define BLOCK_OPT_BACKING_FILE  "backing_file"
 #define BLOCK_OPT_BACKING_FMT   "backing_fmt"
 #define BLOCK_OPT_CLUSTER_SIZE  "cluster_size"
+#define BLOCK_OPT_PREALLOC      "preallocation"
 
 typedef struct AIOPool {
     void (*cancel)(BlockDriverAIOCB *acb);
@@ -68,6 +69,14 @@ struct BlockDriver {
     BlockDriverAIOCB *(*bdrv_aio_writev)(BlockDriverState *bs,
         int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
         BlockDriverCompletionFunc *cb, void *opaque);
+    BlockDriverAIOCB *(*bdrv_aio_flush)(BlockDriverState *bs,
+        BlockDriverCompletionFunc *cb, void *opaque);
+
+    int (*bdrv_aio_multiwrite)(BlockDriverState *bs, BlockRequest *reqs,
+        int num_reqs);
+    int (*bdrv_merge_requests)(BlockDriverState *bs, BlockRequest* a,
+        BlockRequest *b);
+
 
     const char *protocol_name;
     int (*bdrv_truncate)(BlockDriverState *bs, int64_t offset);
@@ -151,6 +160,9 @@ struct BlockDriverState {
     /* the memory alignment required for the buffers handled by this driver */
     int buffer_alignment;
 
+    /* do we need to tell the quest if we have a volatile write cache? */
+    int enable_write_cache;
+
     /* NOTE: the following infos are only hints for real hardware
        drivers. They are not used by the block driver */
     int cyls, heads, secs, translation;