1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) Intel Corporation. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef VBDEV_OCF_CTX_H 35 #define VBDEV_OCF_CTX_H 36 37 #include <ocf/ocf.h> 38 #include "spdk/thread.h" 39 40 extern ocf_ctx_t vbdev_ocf_ctx; 41 42 #define OCF_WRITE_FLUSH 11 43 44 #define SPDK_OBJECT 1 45 46 /* Context of cache instance */ 47 struct vbdev_ocf_cache_ctx { 48 ocf_queue_t mngt_queue; 49 ocf_queue_t cleaner_queue; 50 pthread_mutex_t lock; 51 env_atomic refcnt; 52 }; 53 54 void vbdev_ocf_cache_ctx_put(struct vbdev_ocf_cache_ctx *ctx); 55 void vbdev_ocf_cache_ctx_get(struct vbdev_ocf_cache_ctx *ctx); 56 57 int vbdev_ocf_ctx_init(void); 58 void vbdev_ocf_ctx_cleanup(void); 59 60 /* Thread safe queue creation and deletion 61 * These are wrappers for original ocf_queue_create() and ocf_queue_put() */ 62 int vbdev_ocf_queue_create(ocf_cache_t cache, ocf_queue_t *queue, const struct ocf_queue_ops *ops); 63 void vbdev_ocf_queue_put(ocf_queue_t queue); 64 65 #endif 66