USB: add usb network redirection support

[qemu.git] / block_int.h

diff --git a/block_int.h b/block_int.h
index eb5cd42392b74a2fb339fa18d6c557b277a63eae..1e265d274daaa40c56ed2b4c104d80c16143f2f6 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_TABLE_SIZE    "table_size"
 #define BLOCK_OPT_PREALLOC      "preallocation"
 
 typedef struct AIOPool {
@@ -152,7 +153,7 @@ struct BlockDriverState {
     int valid_key; /* if true, a valid encryption key has been set */
     int sg;        /* if true, the device is a /dev/sg* */
     /* event callback when inserting/removing */
-    void (*change_cb)(void *opaque);
+    void (*change_cb)(void *opaque, int reason);
     void *change_opaque;
 
     BlockDriver *drv; /* NULL means no media */
@@ -193,15 +194,18 @@ struct BlockDriverState {
     /* NOTE: the following infos are only hints for real hardware
        drivers. They are not used by the block driver */
     int cyls, heads, secs, translation;
-    int type;
     BlockErrorAction on_read_error, on_write_error;
     char device_name[32];
     unsigned long *dirty_bitmap;
     int64_t dirty_count;
+    int in_use; /* users other than guest access, eg. block migration */
     QTAILQ_ENTRY(BlockDriverState) list;
     void *private;
 };
 
+#define CHANGE_MEDIA    0x01
+#define CHANGE_SIZE     0x02
+
 struct BlockDriverAIOCB {
     AIOPool *pool;
     BlockDriverState *bs;