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-rw-r--r--block.h81
1 files changed, 45 insertions, 36 deletions
diff --git a/block.h b/block.h
index 7917eb8..71e87fc 100644
--- a/block.h
+++ b/block.h
@@ -1,23 +1,13 @@
#ifndef BLOCK_H
#define BLOCK_H
+#include "qemu-aio.h"
+#include "qemu-common.h"
+#include "qemu-option.h"
+
/* block.c */
typedef struct BlockDriver BlockDriver;
-extern BlockDriver bdrv_raw;
-extern BlockDriver bdrv_host_device;
-extern BlockDriver bdrv_cow;
-extern BlockDriver bdrv_qcow;
-extern BlockDriver bdrv_vmdk;
-extern BlockDriver bdrv_cloop;
-extern BlockDriver bdrv_dmg;
-extern BlockDriver bdrv_bochs;
-extern BlockDriver bdrv_vpc;
-extern BlockDriver bdrv_vvfat;
-extern BlockDriver bdrv_qcow2;
-extern BlockDriver bdrv_parallels;
-extern BlockDriver bdrv_nbd;
-
typedef struct BlockDriverInfo {
/* in bytes, 0 if irrelevant */
int cluster_size;
@@ -45,16 +35,23 @@ typedef struct QEMUSnapshotInfo {
use a disk image format on top of
it (default for
bdrv_file_open()) */
-#define BDRV_O_DIRECT 0x0020
+#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_CACHE_DEF 0x0080 /* use default caching */
+
+#define BDRV_O_CACHE_MASK (BDRV_O_NOCACHE | BDRV_O_CACHE_WB | BDRV_O_CACHE_DEF)
-void bdrv_info(void);
-void bdrv_info_stats(void);
+void bdrv_info(Monitor *mon);
+void bdrv_info_stats(Monitor *mon);
void bdrv_init(void);
BlockDriver *bdrv_find_format(const char *format_name);
-int bdrv_create(BlockDriver *drv,
- const char *filename, int64_t size_in_sectors,
- const char *backing_file, int flags);
+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);
BlockDriverState *bdrv_new(const char *device_name);
void bdrv_delete(BlockDriverState *bs);
int bdrv_file_open(BlockDriverState **pbs, const char *filename, int flags);
@@ -62,6 +59,7 @@ int bdrv_open(BlockDriverState *bs, const char *filename, int flags);
int bdrv_open2(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,
uint8_t *buf, int nb_sectors);
int bdrv_write(BlockDriverState *bs, int64_t sector_num,
@@ -73,28 +71,32 @@ int bdrv_pwrite(BlockDriverState *bs, int64_t offset,
int bdrv_truncate(BlockDriverState *bs, int64_t offset);
int64_t bdrv_getlength(BlockDriverState *bs);
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);
-void bdrv_set_boot_sector(BlockDriverState *bs, const uint8_t *data, int size);
+void bdrv_register(BlockDriver *bdrv);
+
/* async block I/O */
typedef struct BlockDriverAIOCB BlockDriverAIOCB;
typedef void BlockDriverCompletionFunc(void *opaque, int ret);
-BlockDriverAIOCB *bdrv_aio_read(BlockDriverState *bs, int64_t sector_num,
- uint8_t *buf, int nb_sectors,
- BlockDriverCompletionFunc *cb, void *opaque);
-BlockDriverAIOCB *bdrv_aio_write(BlockDriverState *bs, int64_t sector_num,
- const uint8_t *buf, int nb_sectors,
+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);
void bdrv_aio_cancel(BlockDriverAIOCB *acb);
-void qemu_aio_init(void);
-void qemu_aio_flush(void);
-void qemu_aio_wait(void);
-
-int qemu_key_check(BlockDriverState *bs, const char *name);
+/* sg packet commands */
+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);
/* Ensure contents are flushed to disk. */
void bdrv_flush(BlockDriverState *bs);
+void bdrv_flush_all(void);
+
int bdrv_is_allocated(BlockDriverState *bs, int64_t sector_num, int nb_sectors,
int *pnum);
@@ -122,14 +124,17 @@ int bdrv_is_inserted(BlockDriverState *bs);
int bdrv_media_changed(BlockDriverState *bs);
int bdrv_is_locked(BlockDriverState *bs);
void bdrv_set_locked(BlockDriverState *bs, int locked);
-void bdrv_eject(BlockDriverState *bs, int eject_flag);
+int bdrv_eject(BlockDriverState *bs, int eject_flag);
void bdrv_set_change_cb(BlockDriverState *bs,
void (*change_cb)(void *opaque), void *opaque);
void bdrv_get_format(BlockDriverState *bs, char *buf, int buf_size);
BlockDriverState *bdrv_find(const char *name);
-void bdrv_iterate(void (*it)(void *opaque, const char *name), void *opaque);
+void bdrv_iterate(void (*it)(void *opaque, BlockDriverState *bs),
+ void *opaque);
int bdrv_is_encrypted(BlockDriverState *bs);
+int bdrv_key_required(BlockDriverState *bs);
int bdrv_set_key(BlockDriverState *bs, const char *key);
+int bdrv_query_missing_keys(void);
void bdrv_iterate_format(void (*it)(void *opaque, const char *name),
void *opaque);
const char *bdrv_get_device_name(BlockDriverState *bs);
@@ -137,6 +142,7 @@ int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi);
+const char *bdrv_get_encrypted_filename(BlockDriverState *bs);
void bdrv_get_backing_filename(BlockDriverState *bs,
char *filename, int filename_size);
int bdrv_snapshot_create(BlockDriverState *bs,
@@ -147,13 +153,16 @@ int bdrv_snapshot_delete(BlockDriverState *bs, const char *snapshot_id);
int bdrv_snapshot_list(BlockDriverState *bs,
QEMUSnapshotInfo **psn_info);
char *bdrv_snapshot_dump(char *buf, int buf_size, QEMUSnapshotInfo *sn);
-int bdrv_ioctl(BlockDriverState *bs, unsigned long int req, void *buf);
char *get_human_readable_size(char *buf, int buf_size, int64_t size);
-// don't remove below comment, it makes integration with upstream sources easier
-//int path_is_absolute(const char *path);
+int path_is_absolute(const char *path);
void path_combine(char *dest, int dest_size,
const char *base_path,
const char *filename);
+int bdrv_put_buffer(BlockDriverState *bs, const uint8_t *buf,
+ int64_t pos, int size);
+
+int bdrv_get_buffer(BlockDriverState *bs, uint8_t *buf, int64_t pos, int size);
+
#endif
generated by cgit v1.1 at 2024-05-24 06:24:57 +0000