1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef VBDEV_OCF_CTX_H
#define VBDEV_OCF_CTX_H
#include <ocf/ocf.h>
#include "spdk/thread.h"
extern ocf_ctx_t vbdev_ocf_ctx;
#define OCF_WRITE_FLUSH 11
#define SPDK_OBJECT 1
/* Context of cache instance */
struct vbdev_ocf_cache_ctx {
ocf_queue_t mngt_queue;
ocf_queue_t cleaner_queue;
pthread_mutex_t lock;
env_atomic refcnt;
};
void vbdev_ocf_cache_ctx_put(struct vbdev_ocf_cache_ctx *ctx);
void vbdev_ocf_cache_ctx_get(struct vbdev_ocf_cache_ctx *ctx);
int vbdev_ocf_ctx_init(void);
void vbdev_ocf_ctx_cleanup(void);
/* Thread safe queue creation and deletion
* These are wrappers for original ocf_queue_create() and ocf_queue_put() */
int vbdev_ocf_queue_create(ocf_cache_t cache, ocf_queue_t *queue, const struct ocf_queue_ops *ops);
void vbdev_ocf_queue_put(ocf_queue_t queue);
#endif
|