/*- * BSD LICENSE * * Copyright (c) Intel Corporation. All rights reserved. * Copyright (c) 2019 Mellanox Technologies LTD. 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 SPDK_BDEV_NULL_H #define SPDK_BDEV_NULL_H #include "spdk/stdinc.h" typedef void (*spdk_delete_null_complete)(void *cb_arg, int bdeverrno); struct spdk_bdev; struct spdk_uuid; struct spdk_null_bdev_opts { const char *name; const struct spdk_uuid *uuid; uint64_t num_blocks; uint32_t block_size; uint32_t md_size; bool md_interleave; enum spdk_dif_type dif_type; bool dif_is_head_of_md; }; int bdev_null_create(struct spdk_bdev **bdev, const struct spdk_null_bdev_opts *opts); /** * Delete null bdev. * * \param bdev Pointer to null bdev. * \param cb_fn Function to call after deletion. * \param cb_arg Argument to pass to cb_fn. */ void bdev_null_delete(struct spdk_bdev *bdev, spdk_delete_null_complete cb_fn, void *cb_arg); #endif /* SPDK_BDEV_NULL_H */