ceph/src/spdk/module/bdev/rbd/bdev_rbd.h

   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 SPDK_BDEV_RBD_H
  35 #define SPDK_BDEV_RBD_H
  36
  37 #include "spdk/stdinc.h"
  38
  39 #include "spdk/bdev.h"
  40
  41 void bdev_rbd_free_config(char **config);
  42 char **bdev_rbd_dup_config(const char *const *config);
  43
  44 typedef void (*spdk_delete_rbd_complete)(void *cb_arg, int bdeverrno);
  45
  46 int bdev_rbd_create(struct spdk_bdev **bdev, const char *name, const char *user_id,
  47                     const char *pool_name,
  48                     const char *const *config,
  49                     const char *rbd_name, uint32_t block_size);
  50 /**
  51  * Delete rbd bdev.
  52  *
  53  * \param bdev Pointer to rbd bdev.
  54  * \param cb_fn Function to call after deletion.
  55  * \param cb_arg Argument to pass to cb_fn.
  56  */
  57 void bdev_rbd_delete(struct spdk_bdev *bdev, spdk_delete_rbd_complete cb_fn,
  58                      void *cb_arg);
  59
  60 /**
  61  * Resize rbd bdev.
  62  *
  63  * \param bdev Pointer to rbd bdev.
  64  * \param new_size_in_mb The new size in MiB for this bdev.
  65  */
  66 int bdev_rbd_resize(struct spdk_bdev *bdev, const uint64_t new_size_in_mb);
  67
  68 #endif /* SPDK_BDEV_RBD_H */