#include "qemu-aio.h"
#include "qemu-common.h"
#include "qemu-option.h"
+#include "qobject.h"
/* block.c */
typedef struct BlockDriver BlockDriver;
uint64_t vm_clock_nsec; /* VM clock relative to boot */
} QEMUSnapshotInfo;
-#define BDRV_O_RDONLY 0x0000
#define BDRV_O_RDWR 0x0002
-#define BDRV_O_ACCESS 0x0003
-#define BDRV_O_CREAT 0x0004 /* create an empty file */
#define BDRV_O_SNAPSHOT 0x0008 /* open the file read only and save writes in a snapshot */
-#define BDRV_O_FILE 0x0010 /* open as a raw file (do not try to
- use a disk image format on top of
- it (default for
- bdrv_file_open()) */
#define BDRV_O_NOCACHE 0x0020 /* do not use the host page cache */
#define BDRV_O_CACHE_WB 0x0040 /* use write-back caching */
#define BDRV_O_NATIVE_AIO 0x0080 /* use native AIO instead of the thread pool */
+#define BDRV_O_NO_BACKING 0x0100 /* don't open the backing file */
+#define BDRV_O_NO_FLUSH 0x0200 /* disable flushing on this disk */
#define BDRV_O_CACHE_MASK (BDRV_O_NOCACHE | BDRV_O_CACHE_WB)
-void bdrv_info(Monitor *mon);
-void bdrv_info_stats(Monitor *mon);
+#define BDRV_SECTOR_BITS 9
+#define BDRV_SECTOR_SIZE (1ULL << BDRV_SECTOR_BITS)
+#define BDRV_SECTOR_MASK ~(BDRV_SECTOR_SIZE - 1)
+
+typedef enum {
+ BDRV_ACTION_REPORT, BDRV_ACTION_IGNORE, BDRV_ACTION_STOP
+} BlockMonEventAction;
+
+void bdrv_mon_event(const BlockDriverState *bdrv,
+ BlockMonEventAction action, int is_read);
+void bdrv_info_print(Monitor *mon, const QObject *data);
+void bdrv_info(Monitor *mon, QObject **ret_data);
+void bdrv_stats_print(Monitor *mon, const QObject *data);
+void bdrv_info_stats(Monitor *mon, QObject **ret_data);
void bdrv_init(void);
+void bdrv_init_with_whitelist(void);
+BlockDriver *bdrv_find_protocol(const char *filename);
BlockDriver *bdrv_find_format(const char *format_name);
+BlockDriver *bdrv_find_whitelisted_format(const char *format_name);
int bdrv_create(BlockDriver *drv, const char* filename,
QEMUOptionParameter *options);
-int bdrv_create2(BlockDriver *drv,
- const char *filename, int64_t size_in_sectors,
- const char *backing_file, const char *backing_format,
- int flags);
+int bdrv_create_file(const char* filename, QEMUOptionParameter *options);
BlockDriverState *bdrv_new(const char *device_name);
void bdrv_delete(BlockDriverState *bs);
int bdrv_file_open(BlockDriverState **pbs, const char *filename, int flags);
-int bdrv_open(BlockDriverState *bs, const char *filename, int flags);
-int bdrv_open2(BlockDriverState *bs, const char *filename, int flags,
- BlockDriver *drv);
+int bdrv_open(BlockDriverState *bs, const char *filename, int flags,
+ BlockDriver *drv);
void bdrv_close(BlockDriverState *bs);
int bdrv_check(BlockDriverState *bs);
int bdrv_read(BlockDriverState *bs, int64_t sector_num,
void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr);
void bdrv_guess_geometry(BlockDriverState *bs, int *pcyls, int *pheads, int *psecs);
int bdrv_commit(BlockDriverState *bs);
+int bdrv_change_backing_file(BlockDriverState *bs,
+ const char *backing_file, const char *backing_fmt);
void bdrv_register(BlockDriver *bdrv);
/* async block I/O */
typedef struct BlockDriverAIOCB BlockDriverAIOCB;
typedef void BlockDriverCompletionFunc(void *opaque, int ret);
-
+typedef void BlockDriverDirtyHandler(BlockDriverState *bs, int64_t sector,
+ int sector_num);
BlockDriverAIOCB *bdrv_aio_readv(BlockDriverState *bs, int64_t sector_num,
QEMUIOVector *iov, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque);
BlockDriverAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num,
QEMUIOVector *iov, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque);
+BlockDriverAIOCB *bdrv_aio_flush(BlockDriverState *bs,
+ BlockDriverCompletionFunc *cb, void *opaque);
void bdrv_aio_cancel(BlockDriverAIOCB *acb);
typedef struct BlockRequest {
void bdrv_flush(BlockDriverState *bs);
void bdrv_flush_all(void);
+int bdrv_has_zero_init(BlockDriverState *bs);
int bdrv_is_allocated(BlockDriverState *bs, int64_t sector_num, int nb_sectors,
int *pnum);
int bdrv_is_removable(BlockDriverState *bs);
int bdrv_is_read_only(BlockDriverState *bs);
int bdrv_is_sg(BlockDriverState *bs);
+int bdrv_enable_write_cache(BlockDriverState *bs);
int bdrv_is_inserted(BlockDriverState *bs);
int bdrv_media_changed(BlockDriverState *bs);
int bdrv_is_locked(BlockDriverState *bs);
int bdrv_load_vmstate(BlockDriverState *bs, uint8_t *buf,
int64_t pos, int size);
+#define BDRV_SECTORS_PER_DIRTY_CHUNK 2048
+
+void bdrv_set_dirty_tracking(BlockDriverState *bs, int enable);
+int bdrv_get_dirty(BlockDriverState *bs, int64_t sector);
+void bdrv_reset_dirty(BlockDriverState *bs, int64_t cur_sector,
+ int nr_sectors);
+int64_t bdrv_get_dirty_count(BlockDriverState *bs);
+
+
+typedef enum {
+ BLKDBG_L1_UPDATE,
+
+ BLKDBG_L1_GROW_ALLOC_TABLE,
+ BLKDBG_L1_GROW_WRITE_TABLE,
+ BLKDBG_L1_GROW_ACTIVATE_TABLE,
+
+ BLKDBG_L2_LOAD,
+ BLKDBG_L2_UPDATE,
+ BLKDBG_L2_UPDATE_COMPRESSED,
+ BLKDBG_L2_ALLOC_COW_READ,
+ BLKDBG_L2_ALLOC_WRITE,
+
+ BLKDBG_READ,
+ BLKDBG_READ_AIO,
+ BLKDBG_READ_BACKING,
+ BLKDBG_READ_BACKING_AIO,
+ BLKDBG_READ_COMPRESSED,
+
+ BLKDBG_WRITE_AIO,
+ BLKDBG_WRITE_COMPRESSED,
+
+ BLKDBG_VMSTATE_LOAD,
+ BLKDBG_VMSTATE_SAVE,
+
+ BLKDBG_COW_READ,
+ BLKDBG_COW_WRITE,
+
+ BLKDBG_REFTABLE_LOAD,
+ BLKDBG_REFTABLE_GROW,
+
+ BLKDBG_REFBLOCK_LOAD,
+ BLKDBG_REFBLOCK_UPDATE,
+ BLKDBG_REFBLOCK_UPDATE_PART,
+ BLKDBG_REFBLOCK_ALLOC,
+ BLKDBG_REFBLOCK_ALLOC_HOOKUP,
+ BLKDBG_REFBLOCK_ALLOC_WRITE,
+ BLKDBG_REFBLOCK_ALLOC_WRITE_BLOCKS,
+ BLKDBG_REFBLOCK_ALLOC_WRITE_TABLE,
+ BLKDBG_REFBLOCK_ALLOC_SWITCH_TABLE,
+
+ BLKDBG_CLUSTER_ALLOC,
+ BLKDBG_CLUSTER_ALLOC_BYTES,
+ BLKDBG_CLUSTER_FREE,
+
+ BLKDBG_EVENT_MAX,
+} BlkDebugEvent;
+
+#define BLKDBG_EVENT(bs, evt) bdrv_debug_event(bs, evt)
+void bdrv_debug_event(BlockDriverState *bs, BlkDebugEvent event);
+
#endif
projects / qemu.git / blobdiff