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Diffstat (limited to '')
-rw-r--r-- | src/spdk/module/bdev/ocf/ctx.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/spdk/module/bdev/ocf/ctx.h b/src/spdk/module/bdev/ocf/ctx.h new file mode 100644 index 000000000..446ac8d8f --- /dev/null +++ b/src/spdk/module/bdev/ocf/ctx.h @@ -0,0 +1,65 @@ +/*- + * 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 |