sun4u: give ISA bus to ISA methods

[qemu.git] / block_int.h

diff --git a/block_int.h b/block_int.h
index e2799e4f6b1e93a827c34fb5a72d745f265cbf2f..311bd2a6fabe7af4be6451a2678bd66af654cdc0 100644 (file)
--- a/block_int.h
+++ b/block_int.h
@@ -51,6 +51,8 @@
 #define BLOCK_OPT_PREALLOC      "preallocation"
 #define BLOCK_OPT_SUBFMT        "subformat"
 
+typedef struct BdrvTrackedRequest BdrvTrackedRequest;
+
 typedef struct AIOPool {
     void (*cancel)(BlockDriverAIOCB *acb);
     int aiocb_size;
@@ -80,8 +82,6 @@ struct BlockDriver {
                       const uint8_t *buf, int nb_sectors);
     void (*bdrv_close)(BlockDriverState *bs);
     int (*bdrv_create)(const char *filename, QEMUOptionParameter *options);
-    int (*bdrv_is_allocated)(BlockDriverState *bs, int64_t sector_num,
-                             int nb_sectors, int *pnum);
     int (*bdrv_set_key)(BlockDriverState *bs, const char *key);
     int (*bdrv_make_empty)(BlockDriverState *bs);
     /* aio */
@@ -103,6 +103,8 @@ struct BlockDriver {
         int64_t sector_num, int nb_sectors, QEMUIOVector *qiov);
     int coroutine_fn (*bdrv_co_discard)(BlockDriverState *bs,
         int64_t sector_num, int nb_sectors);
+    int coroutine_fn (*bdrv_co_is_allocated)(BlockDriverState *bs,
+        int64_t sector_num, int nb_sectors, int *pnum);
 
     /*
      * Invalidate any cached meta-data.
@@ -196,6 +198,8 @@ struct BlockDriverState {
     int encrypted; /* if true, the media is encrypted */
     int valid_key; /* if true, a valid encryption key has been set */
     int sg;        /* if true, the device is a /dev/sg* */
+    int copy_on_read; /* if true, copy read backing sectors into image
+                         note this is a reference count */
 
     BlockDriver *drv; /* NULL means no media */
     void *opaque;
@@ -255,6 +259,8 @@ struct BlockDriverState {
     int in_use; /* users other than guest access, eg. block migration */
     QTAILQ_ENTRY(BlockDriverState) list;
     void *private;
+
+    QLIST_HEAD(, BdrvTrackedRequest) tracked_requests;
 };
 
 struct BlockDriverAIOCB {