diff options
Diffstat (limited to 'src/spdk/module/bdev/null/bdev_null.h')
| -rw-r--r-- | src/spdk/module/bdev/null/bdev_null.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/spdk/module/bdev/null/bdev_null.h b/src/spdk/module/bdev/null/bdev_null.h new file mode 100644 index 000000000..07db54e48 --- /dev/null +++ b/src/spdk/module/bdev/null/bdev_null.h @@ -0,0 +1,67 @@ +/*- + * 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 */ |