92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
/*
|
|
* 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_H
|
|
#define BLOCK_COROUTINES_H
|
|
|
|
#include "block/block_int.h"
|
|
|
|
/* For blk_bs() in generated block/block-gen.c */
|
|
#include "sysemu/block-backend.h"
|
|
|
|
/*
|
|
* I/O API functions. These functions are thread-safe.
|
|
*
|
|
* See include/block/block-io.h for more information about
|
|
* the I/O API.
|
|
*/
|
|
|
|
int coroutine_fn GRAPH_RDLOCK
|
|
bdrv_co_check(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix);
|
|
|
|
int coroutine_fn GRAPH_RDLOCK
|
|
bdrv_co_invalidate_cache(BlockDriverState *bs, Error **errp);
|
|
|
|
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 coroutine_fn GRAPH_RDLOCK
|
|
bdrv_co_readv_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos);
|
|
|
|
int coroutine_fn GRAPH_RDLOCK
|
|
bdrv_co_writev_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos);
|
|
|
|
int coroutine_fn
|
|
nbd_co_do_establish_connection(BlockDriverState *bs, bool blocking,
|
|
Error **errp);
|
|
|
|
|
|
/*
|
|
* "I/O or GS" API functions. These functions can run without
|
|
* the BQL, but only in one specific iothread/main loop.
|
|
*
|
|
* See include/block/block-io.h for more information about
|
|
* the "I/O or GS" API.
|
|
*/
|
|
|
|
int co_wrapper_mixed_bdrv_rdlock
|
|
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 co_wrapper_mixed
|
|
nbd_do_establish_connection(BlockDriverState *bs, bool blocking, Error **errp);
|
|
|
|
#endif /* BLOCK_COROUTINES_H */
|