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Commit | Line | Data |
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1 | /* | |
2 | * Block layer I/O functions | |
3 | * | |
4 | * Copyright (c) 2003 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | ||
25 | #ifndef BLOCK_COROUTINES_H | |
26 | #define BLOCK_COROUTINES_H | |
27 | ||
28 | #include "block/block_int.h" | |
29 | ||
30 | /* For blk_bs() in generated block/block-gen.c */ | |
31 | #include "sysemu/block-backend.h" | |
32 | ||
33 | /* | |
34 | * I/O API functions. These functions are thread-safe. | |
35 | * | |
36 | * See include/block/block-io.h for more information about | |
37 | * the I/O API. | |
38 | */ | |
39 | ||
40 | int coroutine_fn GRAPH_RDLOCK | |
41 | bdrv_co_check(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix); | |
42 | ||
43 | int coroutine_fn GRAPH_RDLOCK | |
44 | bdrv_co_invalidate_cache(BlockDriverState *bs, Error **errp); | |
45 | ||
46 | int coroutine_fn GRAPH_RDLOCK | |
47 | bdrv_co_common_block_status_above(BlockDriverState *bs, | |
48 | BlockDriverState *base, | |
49 | bool include_base, | |
50 | bool want_zero, | |
51 | int64_t offset, | |
52 | int64_t bytes, | |
53 | int64_t *pnum, | |
54 | int64_t *map, | |
55 | BlockDriverState **file, | |
56 | int *depth); | |
57 | ||
58 | int coroutine_fn GRAPH_RDLOCK | |
59 | bdrv_co_readv_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos); | |
60 | ||
61 | int coroutine_fn GRAPH_RDLOCK | |
62 | bdrv_co_writev_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos); | |
63 | ||
64 | int coroutine_fn GRAPH_RDLOCK | |
65 | nbd_co_do_establish_connection(BlockDriverState *bs, bool blocking, | |
66 | Error **errp); | |
67 | ||
68 | ||
69 | /* | |
70 | * "I/O or GS" API functions. These functions can run without | |
71 | * the BQL, but only in one specific iothread/main loop. | |
72 | * | |
73 | * See include/block/block-io.h for more information about | |
74 | * the "I/O or GS" API. | |
75 | */ | |
76 | ||
77 | int co_wrapper_mixed_bdrv_rdlock | |
78 | bdrv_common_block_status_above(BlockDriverState *bs, | |
79 | BlockDriverState *base, | |
80 | bool include_base, | |
81 | bool want_zero, | |
82 | int64_t offset, | |
83 | int64_t bytes, | |
84 | int64_t *pnum, | |
85 | int64_t *map, | |
86 | BlockDriverState **file, | |
87 | int *depth); | |
88 | ||
89 | int co_wrapper_mixed_bdrv_rdlock | |
90 | nbd_do_establish_connection(BlockDriverState *bs, bool blocking, Error **errp); | |
91 | ||
92 | #endif /* BLOCK_COROUTINES_H */ |