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Diffstat (limited to 'include/block/block.h')
-rw-r--r--include/block/block.h90
1 files changed, 22 insertions, 68 deletions
diff --git a/include/block/block.h b/include/block/block.h
index 3318f0dfbe..c9ec0ab386 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -48,41 +48,6 @@ typedef struct BlockFragInfo {
uint64_t compressed_clusters;
} BlockFragInfo;
-/* Callbacks for block device models */
-typedef struct BlockDevOps {
- /*
- * Runs when virtual media changed (monitor commands eject, change)
- * Argument load is true on load and false on eject.
- * Beware: doesn't run when a host device's physical media
- * changes. Sure would be useful if it did.
- * Device models with removable media must implement this callback.
- */
- void (*change_media_cb)(void *opaque, bool load);
- /*
- * Runs when an eject request is issued from the monitor, the tray
- * is closed, and the medium is locked.
- * Device models that do not implement is_medium_locked will not need
- * this callback. Device models that can lock the medium or tray might
- * want to implement the callback and unlock the tray when "force" is
- * true, even if they do not support eject requests.
- */
- void (*eject_request_cb)(void *opaque, bool force);
- /*
- * Is the virtual tray open?
- * Device models implement this only when the device has a tray.
- */
- bool (*is_tray_open)(void *opaque);
- /*
- * Is the virtual medium locked into the device?
- * Device models implement this only when device has such a lock.
- */
- bool (*is_medium_locked)(void *opaque);
- /*
- * Runs when the size changed (e.g. monitor command block_resize)
- */
- void (*resize_cb)(void *opaque);
-} BlockDevOps;
-
typedef enum {
BDRV_REQ_COPY_ON_READ = 0x1,
BDRV_REQ_ZERO_WRITE = 0x2,
@@ -204,7 +169,8 @@ BlockDriver *bdrv_find_whitelisted_format(const char *format_name,
int bdrv_create(BlockDriver *drv, const char* filename,
QemuOpts *opts, Error **errp);
int bdrv_create_file(const char *filename, QemuOpts *opts, Error **errp);
-BlockDriverState *bdrv_new(const char *device_name, Error **errp);
+BlockDriverState *bdrv_new_root(void);
+BlockDriverState *bdrv_new(void);
void bdrv_make_anon(BlockDriverState *bs);
void bdrv_swap(BlockDriverState *bs_new, BlockDriverState *bs_old);
void bdrv_append(BlockDriverState *bs_new, BlockDriverState *bs_top);
@@ -229,16 +195,6 @@ void bdrv_reopen_commit(BDRVReopenState *reopen_state);
void bdrv_reopen_abort(BDRVReopenState *reopen_state);
void bdrv_close(BlockDriverState *bs);
void bdrv_add_close_notifier(BlockDriverState *bs, Notifier *notify);
-int bdrv_attach_dev(BlockDriverState *bs, void *dev);
-void bdrv_attach_dev_nofail(BlockDriverState *bs, void *dev);
-void bdrv_detach_dev(BlockDriverState *bs, void *dev);
-void *bdrv_get_attached_dev(BlockDriverState *bs);
-void bdrv_set_dev_ops(BlockDriverState *bs, const BlockDevOps *ops,
- void *opaque);
-void bdrv_dev_eject_request(BlockDriverState *bs, bool force);
-bool bdrv_dev_has_removable_media(BlockDriverState *bs);
-bool bdrv_dev_is_tray_open(BlockDriverState *bs);
-bool bdrv_dev_is_medium_locked(BlockDriverState *bs);
int bdrv_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors);
int bdrv_read_unthrottled(BlockDriverState *bs, int64_t sector_num,
@@ -247,9 +203,9 @@ int bdrv_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
int bdrv_write_zeroes(BlockDriverState *bs, int64_t sector_num,
int nb_sectors, BdrvRequestFlags flags);
-BlockDriverAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, int64_t sector_num,
- int nb_sectors, BdrvRequestFlags flags,
- BlockDriverCompletionFunc *cb, void *opaque);
+BlockAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, int64_t sector_num,
+ int nb_sectors, BdrvRequestFlags flags,
+ BlockCompletionFunc *cb, void *opaque);
int bdrv_make_zero(BlockDriverState *bs, BdrvRequestFlags flags);
int bdrv_pread(BlockDriverState *bs, int64_t offset,
void *buf, int count);
@@ -325,19 +281,19 @@ BlockDriverState *check_to_replace_node(const char *node_name, Error **errp);
/* async block I/O */
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);
-BlockDriverAIOCB *bdrv_aio_discard(BlockDriverState *bs,
- int64_t sector_num, int nb_sectors,
- BlockDriverCompletionFunc *cb, void *opaque);
-void bdrv_aio_cancel(BlockDriverAIOCB *acb);
-void bdrv_aio_cancel_async(BlockDriverAIOCB *acb);
+BlockAIOCB *bdrv_aio_readv(BlockDriverState *bs, int64_t sector_num,
+ QEMUIOVector *iov, int nb_sectors,
+ BlockCompletionFunc *cb, void *opaque);
+BlockAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num,
+ QEMUIOVector *iov, int nb_sectors,
+ BlockCompletionFunc *cb, void *opaque);
+BlockAIOCB *bdrv_aio_flush(BlockDriverState *bs,
+ BlockCompletionFunc *cb, void *opaque);
+BlockAIOCB *bdrv_aio_discard(BlockDriverState *bs,
+ int64_t sector_num, int nb_sectors,
+ BlockCompletionFunc *cb, void *opaque);
+void bdrv_aio_cancel(BlockAIOCB *acb);
+void bdrv_aio_cancel_async(BlockAIOCB *acb);
typedef struct BlockRequest {
/* Fields to be filled by multiwrite caller */
@@ -345,7 +301,7 @@ typedef struct BlockRequest {
int nb_sectors;
int flags;
QEMUIOVector *qiov;
- BlockDriverCompletionFunc *cb;
+ BlockCompletionFunc *cb;
void *opaque;
/* Filled by multiwrite implementation */
@@ -357,9 +313,9 @@ int bdrv_aio_multiwrite(BlockDriverState *bs, BlockRequest *reqs,
/* sg packet commands */
int bdrv_ioctl(BlockDriverState *bs, unsigned long int req, void *buf);
-BlockDriverAIOCB *bdrv_aio_ioctl(BlockDriverState *bs,
+BlockAIOCB *bdrv_aio_ioctl(BlockDriverState *bs,
unsigned long int req, void *buf,
- BlockDriverCompletionFunc *cb, void *opaque);
+ BlockCompletionFunc *cb, void *opaque);
/* Invalidate any cached metadata used by image formats */
void bdrv_invalidate_cache(BlockDriverState *bs, Error **errp);
@@ -410,15 +366,13 @@ BlockDriverState *bdrv_lookup_bs(const char *device,
Error **errp);
bool bdrv_chain_contains(BlockDriverState *top, BlockDriverState *base);
BlockDriverState *bdrv_next(BlockDriverState *bs);
-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);
+const char *bdrv_get_device_name(const BlockDriverState *bs);
int bdrv_get_flags(BlockDriverState *bs);
int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
generated by cgit v1.2.3 (git 2.26.2) at 2025-02-16 11:10:07 +0000