ceph/src/spdk/module/bdev/nvme/bdev_ocssd.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_OCSSD_H
  35 #define SPDK_BDEV_OCSSD_H
  36
  37 #include "spdk/stdinc.h"
  38 #include "common.h"
  39
  40 struct bdev_ocssd_range {
  41         uint64_t begin;
  42         uint64_t end;
  43 };
  44
  45 typedef void (*bdev_ocssd_create_cb)(const char *bdev_name, int status, void *ctx);
  46 typedef void (*bdev_ocssd_delete_cb)(int status, void *ctx);
  47
  48 void bdev_ocssd_create_bdev(const char *ctrlr_name, const char *bdev_name, uint32_t nsid,
  49                             const struct bdev_ocssd_range *range,
  50                             bdev_ocssd_create_cb cb_fn, void *cb_arg);
  51 void bdev_ocssd_delete_bdev(const char *bdev_name, bdev_ocssd_delete_cb cb_fn, void *cb_arg);
  52
  53 void bdev_ocssd_populate_namespace(struct nvme_bdev_ctrlr *nvme_bdev_ctrlr,
  54                                    struct nvme_bdev_ns *nvme_ns,
  55                                    struct nvme_async_probe_ctx *ctx);
  56 void bdev_ocssd_depopulate_namespace(struct nvme_bdev_ns *ns);
  57 void bdev_ocssd_namespace_config_json(struct spdk_json_write_ctx *w, struct nvme_bdev_ns *ns);
  58
  59 int bdev_ocssd_create_io_channel(struct nvme_io_channel *ioch);
  60 void bdev_ocssd_destroy_io_channel(struct nvme_io_channel *ioch);
  61
  62 int bdev_ocssd_init_ctrlr(struct nvme_bdev_ctrlr *nvme_bdev_ctrlr);
  63 void bdev_ocssd_fini_ctrlr(struct nvme_bdev_ctrlr *nvme_bdev_ctrlr);
  64
  65 void bdev_ocssd_handle_chunk_notification(struct nvme_bdev_ctrlr *nvme_bdev_ctrlr);
  66
  67 #endif /* SPDK_BDEV_OCSSD_H */