blockdev: Fix drive_add for drives without media

[qemu.git] / block_int.h

diff --git a/block_int.h b/block_int.h
index e8e7156c92e6e78362dd9e97e36587f6a339b995..6ebdc3eea27c51f5e8fa76be1360169b4464fe14 100644 (file)
--- a/block_int.h
+++ b/block_int.h
@@ -29,7 +29,6 @@
 #include "qemu-queue.h"
 
 #define BLOCK_FLAG_ENCRYPT     1
-#define BLOCK_FLAG_COMPRESS    2
 #define BLOCK_FLAG_COMPAT6     4
 
 #define BLOCK_OPT_SIZE          "size"
@@ -38,6 +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 {
@@ -59,7 +59,7 @@ struct BlockDriver {
                       const uint8_t *buf, int nb_sectors);
     void (*bdrv_close)(BlockDriverState *bs);
     int (*bdrv_create)(const char *filename, QEMUOptionParameter *options);
-    void (*bdrv_flush)(BlockDriverState *bs);
+    int (*bdrv_flush)(BlockDriverState *bs);
     int (*bdrv_is_allocated)(BlockDriverState *bs, int64_t sector_num,
                              int nb_sectors, int *pnum);
     int (*bdrv_set_key)(BlockDriverState *bs, const char *key);
@@ -73,6 +73,8 @@ struct BlockDriver {
         BlockDriverCompletionFunc *cb, void *opaque);
     BlockDriverAIOCB *(*bdrv_aio_flush)(BlockDriverState *bs,
         BlockDriverCompletionFunc *cb, void *opaque);
+    int (*bdrv_discard)(BlockDriverState *bs, int64_t sector_num,
+                        int nb_sectors);
 
     int (*bdrv_aio_multiwrite)(BlockDriverState *bs, BlockRequest *reqs,
         int num_reqs);
@@ -93,6 +95,8 @@ struct BlockDriver {
     int (*bdrv_snapshot_delete)(BlockDriverState *bs, const char *snapshot_id);
     int (*bdrv_snapshot_list)(BlockDriverState *bs,
                               QEMUSnapshotInfo **psn_info);
+    int (*bdrv_snapshot_load_tmp)(BlockDriverState *bs,
+                                  const char *snapshot_name);
     int (*bdrv_get_info)(BlockDriverState *bs, BlockDriverInfo *bdi);
 
     int (*bdrv_save_vmstate)(BlockDriverState *bs, const uint8_t *buf,
@@ -149,7 +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 */
@@ -199,6 +203,9 @@ struct BlockDriverState {
     void *private;
 };
 
+#define CHANGE_MEDIA   0x01
+#define CHANGE_SIZE    0x02
+
 struct BlockDriverAIOCB {
     AIOPool *pool;
     BlockDriverState *bs;
@@ -225,6 +232,8 @@ typedef struct BlockConf {
     uint16_t logical_block_size;
     uint16_t min_io_size;
     uint32_t opt_io_size;
+    int32_t bootindex;
+    uint32_t discard_granularity;
 } BlockConf;
 
 static inline unsigned int get_physical_block_exp(BlockConf *conf)
@@ -247,6 +256,9 @@ static inline unsigned int get_physical_block_exp(BlockConf *conf)
     DEFINE_PROP_UINT16("physical_block_size", _state,                   \
                        _conf.physical_block_size, 512),                 \
     DEFINE_PROP_UINT16("min_io_size", _state, _conf.min_io_size, 0),  \
-    DEFINE_PROP_UINT32("opt_io_size", _state, _conf.opt_io_size, 0)
+    DEFINE_PROP_UINT32("opt_io_size", _state, _conf.opt_io_size, 0),    \
+    DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1),        \
+    DEFINE_PROP_UINT32("discard_granularity", _state, \
+                       _conf.discard_granularity, 0)
 
 #endif /* BLOCK_INT_H */