#define BLOCK_INT_H
#include "block.h"
+#include "qemu-option.h"
#define BLOCK_FLAG_ENCRYPT 1
#define BLOCK_FLAG_COMPRESS 2
#define BLOCK_FLAG_COMPAT6 4
+#define BLOCK_OPT_SIZE "size"
+#define BLOCK_OPT_ENCRYPT "encryption"
+#define BLOCK_OPT_COMPAT6 "compat6"
+#define BLOCK_OPT_BACKING_FILE "backing_file"
+#define BLOCK_OPT_BACKING_FMT "backing_fmt"
+#define BLOCK_OPT_CLUSTER_SIZE "cluster_size"
+
typedef struct AIOPool {
void (*cancel)(BlockDriverAIOCB *acb);
int aiocb_size;
int (*bdrv_write)(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
void (*bdrv_close)(BlockDriverState *bs);
- int (*bdrv_create)(const char *filename, int64_t total_sectors,
- const char *backing_file, int flags);
+ int (*bdrv_create)(const char *filename, QEMUOptionParameter *options);
void (*bdrv_flush)(BlockDriverState *bs);
int (*bdrv_is_allocated)(BlockDriverState *bs, int64_t sector_num,
int nb_sectors, int *pnum);
BlockDriverAIOCB *(*bdrv_aio_writev)(BlockDriverState *bs,
int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque);
- void (*bdrv_aio_cancel)(BlockDriverAIOCB *acb);
- int aiocb_size;
const char *protocol_name;
int (*bdrv_truncate)(BlockDriverState *bs, int64_t offset);
unsigned long int req, void *buf,
BlockDriverCompletionFunc *cb, void *opaque);
- AIOPool aio_pool;
+ /* List of options for creating images, terminated by name == NULL */
+ QEMUOptionParameter *create_options;
+
- /* 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);
+ /* Returns number of errors in image, -errno for internal errors */
+ int (*bdrv_check)(BlockDriverState* bs);
struct BlockDriver *next;
};
/* Whether the disk can expand beyond total_sectors */
int growable;
+ /* the memory alignment required for the buffers handled by this driver */
+ int buffer_alignment;
+
/* NOTE: the following infos are only hints for real hardware
drivers. They are not used by the block driver */
int cyls, heads, secs, translation;
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_get(AIOPool *pool, BlockDriverState *bs,
+ BlockDriverCompletionFunc *cb, void *opaque);
void qemu_aio_release(void *p);
+void *qemu_blockalign(BlockDriverState *bs, size_t size);
+
extern BlockDriverState *bdrv_first;
#endif /* BLOCK_INT_H */