#include "qemu-queue.h"
#include "qemu-coroutine.h"
#include "qemu-timer.h"
+#include "qapi-types.h"
#define BLOCK_FLAG_ENCRYPT 1
#define BLOCK_FLAG_COMPAT6 4
const uint8_t *buf, int nb_sectors);
void (*bdrv_close)(BlockDriverState *bs);
int (*bdrv_create)(const char *filename, QEMUOptionParameter *options);
- 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);
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);
+ BlockDriverAIOCB *(*bdrv_aio_discard)(BlockDriverState *bs,
+ int64_t sector_num, int nb_sectors,
+ BlockDriverCompletionFunc *cb, void *opaque);
int coroutine_fn (*bdrv_co_readv)(BlockDriverState *bs,
int64_t sector_num, int nb_sectors, QEMUIOVector *qiov);
int coroutine_fn (*bdrv_co_writev)(BlockDriverState *bs,
int64_t sector_num, int nb_sectors, QEMUIOVector *qiov);
+ int coroutine_fn (*bdrv_co_discard)(BlockDriverState *bs,
+ int64_t sector_num, int nb_sectors);
+
+ /*
+ * Invalidate any cached meta-data.
+ */
+ void (*bdrv_invalidate_cache)(BlockDriverState *bs);
+
+ /*
+ * Flushes all data that was already written to the OS all the way down to
+ * the disk (for example raw-posix calls fsync()).
+ */
+ int coroutine_fn (*bdrv_co_flush_to_disk)(BlockDriverState *bs);
+
+ /*
+ * Flushes all internal caches to the OS. The data may still sit in a
+ * writeback cache of the host OS, but it will survive a crash of the qemu
+ * process.
+ */
+ int coroutine_fn (*bdrv_co_flush_to_os)(BlockDriverState *bs);
int (*bdrv_aio_multiwrite)(BlockDriverState *bs, BlockRequest *reqs,
int num_reqs);
drivers. They are not used by the block driver */
int cyls, heads, secs, translation;
BlockErrorAction on_read_error, on_write_error;
+ bool iostatus_enabled;
+ BlockDeviceIoStatus iostatus;
char device_name[32];
unsigned long *dirty_bitmap;
int64_t dirty_count;
int is_windows_drive(const char *filename);
#endif
-typedef struct BlockConf {
- BlockDriverState *bs;
- uint16_t physical_block_size;
- 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)
-{
- unsigned int exp = 0, size;
-
- for (size = conf->physical_block_size;
- size > conf->logical_block_size;
- size >>= 1) {
- exp++;
- }
-
- return exp;
-}
-
-#define DEFINE_BLOCK_PROPERTIES(_state, _conf) \
- DEFINE_PROP_DRIVE("drive", _state, _conf.bs), \
- DEFINE_PROP_UINT16("logical_block_size", _state, \
- _conf.logical_block_size, 512), \
- 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_INT32("bootindex", _state, _conf.bootindex, -1), \
- DEFINE_PROP_UINT32("discard_granularity", _state, \
- _conf.discard_granularity, 0)
-
#endif /* BLOCK_INT_H */