diff options
Diffstat (limited to 'include/block')
| -rw-r--r-- | include/block/block-copy.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/block/block-copy.h b/include/block/block-copy.h index 6397505f30..8c225ebf81 100644 --- a/include/block/block-copy.h +++ b/include/block/block-copy.h @@ -19,7 +19,9 @@ #include "qemu/co-shared-resource.h" typedef void (*ProgressBytesCallbackFunc)(int64_t bytes, void *opaque); +typedef void (*BlockCopyAsyncCallbackFunc)(void *opaque); typedef struct BlockCopyState BlockCopyState; +typedef struct BlockCopyCallState BlockCopyCallState; BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target, int64_t cluster_size, bool use_copy_range, @@ -41,6 +43,33 @@ int64_t block_copy_reset_unallocated(BlockCopyState *s, int coroutine_fn block_copy(BlockCopyState *s, int64_t offset, int64_t bytes, bool *error_is_read); +/* + * Run block-copy in a coroutine, create corresponding BlockCopyCallState + * object and return pointer to it. Never returns NULL. + * + * Caller is responsible to call block_copy_call_free() to free + * BlockCopyCallState object. + */ +BlockCopyCallState *block_copy_async(BlockCopyState *s, + int64_t offset, int64_t bytes, + BlockCopyAsyncCallbackFunc cb, + void *cb_opaque); + +/* + * Free finished BlockCopyCallState. Trying to free running + * block-copy will crash. + */ +void block_copy_call_free(BlockCopyCallState *call_state); + +/* + * Note, that block-copy call is marked finished prior to calling + * the callback. + */ +bool block_copy_call_finished(BlockCopyCallState *call_state); +bool block_copy_call_succeeded(BlockCopyCallState *call_state); +bool block_copy_call_failed(BlockCopyCallState *call_state); +int block_copy_call_status(BlockCopyCallState *call_state, bool *error_is_read); + BdrvDirtyBitmap *block_copy_dirty_bitmap(BlockCopyState *s); void block_copy_set_skip_unallocated(BlockCopyState *s, bool skip); |