tcg/README: fix description of bswap32_i32/i64

[qemu] / block_int.h

diff --git a/block_int.h b/block_int.h
index 44eb280..af6dff6 100644 (file)
--- a/block_int.h
+++ b/block_int.h
@@ -30,6 +30,12 @@
 #define BLOCK_FLAG_COMPRESS    2
 #define BLOCK_FLAG_COMPAT6     4
 
+typedef struct AIOPool {
+    void (*cancel)(BlockDriverAIOCB *acb);
+    int aiocb_size;
+    BlockDriverAIOCB *free_aiocb;
+} AIOPool;
+
 struct BlockDriver {
     const char *format_name;
     int instance_size;
@@ -58,10 +64,6 @@ struct BlockDriver {
     int aiocb_size;
 
     const char *protocol_name;
-    int (*bdrv_pread)(BlockDriverState *bs, int64_t offset,
-                      uint8_t *buf, int count);
-    int (*bdrv_pwrite)(BlockDriverState *bs, int64_t offset,
-                       const uint8_t *buf, int count);
     int (*bdrv_truncate)(BlockDriverState *bs, int64_t offset);
     int64_t (*bdrv_getlength)(BlockDriverState *bs);
     int (*bdrv_write_compressed)(BlockDriverState *bs, int64_t sector_num,
@@ -84,8 +86,17 @@ struct BlockDriver {
 
     /* to control generic scsi devices */
     int (*bdrv_ioctl)(BlockDriverState *bs, unsigned long int req, void *buf);
+    BlockDriverAIOCB *(*bdrv_aio_ioctl)(BlockDriverState *bs,
+        unsigned long int req, void *buf,
+        BlockDriverCompletionFunc *cb, void *opaque);
+
+    AIOPool aio_pool;
+
+    /* new create with backing file format */
+    int (*bdrv_create2)(const char *filename, int64_t total_sectors,
+                        const char *backing_file, const char *backing_format,
+                        int flags);
 
-    BlockDriverAIOCB *free_aiocb;
     struct BlockDriver *next;
 };
 
@@ -108,6 +119,7 @@ struct BlockDriverState {
     char filename[1024];
     char backing_file[1024]; /* if non zero, the image is a diff of
                                 this file image */
+    char backing_format[16]; /* if non-zero and backing_file exists */
     int is_temporary;
     int media_changed;
 
@@ -135,6 +147,7 @@ struct BlockDriverState {
 };
 
 struct BlockDriverAIOCB {
+    AIOPool *pool;
     BlockDriverState *bs;
     BlockDriverCompletionFunc *cb;
     void *opaque;
@@ -143,8 +156,13 @@ struct BlockDriverAIOCB {
 
 void get_tmp_filename(char *filename, int size);
 
+void aio_pool_init(AIOPool *pool, int aiocb_size,
+                   void (*cancel)(BlockDriverAIOCB *acb));
+
 void *qemu_aio_get(BlockDriverState *bs, BlockDriverCompletionFunc *cb,
                    void *opaque);
+void *qemu_aio_get_pool(AIOPool *pool, BlockDriverState *bs,
+                        BlockDriverCompletionFunc *cb, void *opaque);
 void qemu_aio_release(void *p);
 
 extern BlockDriverState *bdrv_first;