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Diffstat (limited to 'src/spdk/module/bdev/ocf/utils.h')
-rw-r--r-- | src/spdk/module/bdev/ocf/utils.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/spdk/module/bdev/ocf/utils.h b/src/spdk/module/bdev/ocf/utils.h new file mode 100644 index 000000000..73bf6c93a --- /dev/null +++ b/src/spdk/module/bdev/ocf/utils.h @@ -0,0 +1,67 @@ +/*- + * 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_UTILS_H +#define VBDEV_OCF_UTILS_H + +#include <ocf/ocf.h> +#include "vbdev_ocf.h" + +ocf_cache_mode_t ocf_get_cache_mode(const char *cache_mode); +const char *ocf_get_cache_modename(ocf_cache_mode_t mode); + +/* Initiate management operation + * Receives NULL terminated array of functions (path) + * and callback (cb) + * and callback argument (cb_arg) + * This function may fail with ENOMEM or EBUSY */ +int vbdev_ocf_mngt_start(struct vbdev_ocf *vbdev, vbdev_ocf_mngt_fn *path, + vbdev_ocf_mngt_callback cb, void *cb_arg); + +/* Continue execution with polling operation (fn) + * fn must invoke vbdev_ocf_mngt_continue() to stop polling + * Poller has default timeout of 5 seconds */ +void vbdev_ocf_mngt_poll(struct vbdev_ocf *vbdev, vbdev_ocf_mngt_fn fn); + +/* Continue execution with next function that is on path + * If next function is NULL, finish management operation and invoke callback */ +void vbdev_ocf_mngt_continue(struct vbdev_ocf *vbdev, int status); + +/* Stop the execution, if status is non zero set it, + * if rollback function is not null invoke rollback + * else invoke callback with last status returned */ +void vbdev_ocf_mngt_stop(struct vbdev_ocf *vbdev, vbdev_ocf_mngt_fn *rollback_path, int status); + +/* Get status */ +int vbdev_ocf_mngt_get_status(struct vbdev_ocf *vbdev); +#endif |