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-rw-r--r--include/block/block_int.h3
-rw-r--r--include/block/coroutine.h9
2 files changed, 12 insertions, 0 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h
index a48731d539..166606615c 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -156,8 +156,11 @@ struct BlockDriver {
const char *protocol_name;
int (*bdrv_truncate)(BlockDriverState *bs, int64_t offset);
+
int64_t (*bdrv_getlength)(BlockDriverState *bs);
+ bool has_variable_length;
int64_t (*bdrv_get_allocated_file_size)(BlockDriverState *bs);
+
int (*bdrv_write_compressed)(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
diff --git a/include/block/coroutine.h b/include/block/coroutine.h
index 4232569c53..4d5c0cfdd7 100644
--- a/include/block/coroutine.h
+++ b/include/block/coroutine.h
@@ -216,6 +216,15 @@ void qemu_co_rwlock_unlock(CoRwlock *lock);
void coroutine_fn co_sleep_ns(QEMUClockType type, int64_t ns);
/**
+ * Yield the coroutine for a given duration
+ *
+ * Behaves similarly to co_sleep_ns(), but the sleeping coroutine will be
+ * resumed when using qemu_aio_wait().
+ */
+void coroutine_fn co_aio_sleep_ns(AioContext *ctx, QEMUClockType type,
+ int64_t ns);
+
+/**
* Yield until a file descriptor becomes readable
*
* Note that this function clobbers the handlers for the file descriptor.