diff options
Diffstat (limited to 'include/sysemu/block-backend.h')
| -rw-r--r-- | include/sysemu/block-backend.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index e2066eb06b..5be6224226 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -124,6 +124,25 @@ int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset, int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); + +static inline int coroutine_fn blk_co_pread(BlockBackend *blk, int64_t offset, + unsigned int bytes, void *buf, + BdrvRequestFlags flags) +{ + QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes); + + return blk_co_preadv(blk, offset, bytes, &qiov, flags); +} + +static inline int coroutine_fn blk_co_pwrite(BlockBackend *blk, int64_t offset, + unsigned int bytes, void *buf, + BdrvRequestFlags flags) +{ + QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes); + + return blk_co_pwritev(blk, offset, bytes, &qiov, flags); +} + int blk_pwrite_zeroes(BlockBackend *blk, int64_t offset, int bytes, BdrvRequestFlags flags); BlockAIOCB *blk_aio_pwrite_zeroes(BlockBackend *blk, int64_t offset, @@ -177,6 +196,7 @@ bool blk_is_available(BlockBackend *blk); void blk_lock_medium(BlockBackend *blk, bool locked); void blk_eject(BlockBackend *blk, bool eject_flag); int blk_get_flags(BlockBackend *blk); +uint32_t blk_get_request_alignment(BlockBackend *blk); uint32_t blk_get_max_transfer(BlockBackend *blk); int blk_get_max_iov(BlockBackend *blk); void blk_set_guest_block_size(BlockBackend *blk, int align); |