diff options
Diffstat (limited to 'block/coroutines.h')
-rw-r--r-- | block/coroutines.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/block/coroutines.h b/block/coroutines.h new file mode 100644 index 000000000..c8c14a29c --- /dev/null +++ b/block/coroutines.h @@ -0,0 +1,108 @@ +/* + * Block layer I/O functions + * + * Copyright (c) 2003 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef BLOCK_COROUTINES_INT_H +#define BLOCK_COROUTINES_INT_H + +#include "block/block_int.h" + +/* For blk_bs() in generated block/block-gen.c */ +#include "sysemu/block-backend.h" + +int coroutine_fn bdrv_co_check(BlockDriverState *bs, + BdrvCheckResult *res, BdrvCheckMode fix); +int coroutine_fn bdrv_co_invalidate_cache(BlockDriverState *bs, Error **errp); + +int generated_co_wrapper +bdrv_preadv(BdrvChild *child, int64_t offset, unsigned int bytes, + QEMUIOVector *qiov, BdrvRequestFlags flags); +int generated_co_wrapper +bdrv_pwritev(BdrvChild *child, int64_t offset, unsigned int bytes, + QEMUIOVector *qiov, BdrvRequestFlags flags); + +int coroutine_fn +bdrv_co_common_block_status_above(BlockDriverState *bs, + BlockDriverState *base, + bool include_base, + bool want_zero, + int64_t offset, + int64_t bytes, + int64_t *pnum, + int64_t *map, + BlockDriverState **file, + int *depth); +int generated_co_wrapper +bdrv_common_block_status_above(BlockDriverState *bs, + BlockDriverState *base, + bool include_base, + bool want_zero, + int64_t offset, + int64_t bytes, + int64_t *pnum, + int64_t *map, + BlockDriverState **file, + int *depth); + +int coroutine_fn bdrv_co_readv_vmstate(BlockDriverState *bs, + QEMUIOVector *qiov, int64_t pos); +int coroutine_fn bdrv_co_writev_vmstate(BlockDriverState *bs, + QEMUIOVector *qiov, int64_t pos); + +int generated_co_wrapper +nbd_do_establish_connection(BlockDriverState *bs, Error **errp); +int coroutine_fn +nbd_co_do_establish_connection(BlockDriverState *bs, Error **errp); + + +int generated_co_wrapper +blk_do_preadv(BlockBackend *blk, int64_t offset, int64_t bytes, + QEMUIOVector *qiov, BdrvRequestFlags flags); +int coroutine_fn +blk_co_do_preadv(BlockBackend *blk, int64_t offset, int64_t bytes, + QEMUIOVector *qiov, BdrvRequestFlags flags); + + +int generated_co_wrapper +blk_do_pwritev_part(BlockBackend *blk, int64_t offset, int64_t bytes, + QEMUIOVector *qiov, size_t qiov_offset, + BdrvRequestFlags flags); +int coroutine_fn +blk_co_do_pwritev_part(BlockBackend *blk, int64_t offset, int64_t bytes, + QEMUIOVector *qiov, size_t qiov_offset, + BdrvRequestFlags flags); + +int generated_co_wrapper +blk_do_ioctl(BlockBackend *blk, unsigned long int req, void *buf); +int coroutine_fn +blk_co_do_ioctl(BlockBackend *blk, unsigned long int req, void *buf); + +int generated_co_wrapper +blk_do_pdiscard(BlockBackend *blk, int64_t offset, int64_t bytes); +int coroutine_fn +blk_co_do_pdiscard(BlockBackend *blk, int64_t offset, int64_t bytes); + +int generated_co_wrapper blk_do_flush(BlockBackend *blk); +int coroutine_fn blk_co_do_flush(BlockBackend *blk); + +#endif /* BLOCK_COROUTINES_INT_H */ |