numam-spdk/lib/bdev/null/bdev_null.h
Evgeniy Kochetov 42dec8ffa2 bdev/null: Pack constructor parameters into a structure
Null bdev constructor parameters are packed into a single structure to
simplify future extensions.

Signed-off-by: Evgeniy Kochetov <evgeniik@mellanox.com>
Signed-off-by: Sasha Kotchubievsky <sashakot@mellanox.com>
Signed-off-by: Alexey Marchuk <alexeymar@mellanox.com>
Change-Id: I2c542c159d21703147c3a5b910fcc853bb5db890
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/464776
Reviewed-by: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-08-12 20:41:31 +00:00

64 lines
2.4 KiB
C

/*-
* 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;
};
int create_null_bdev(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 delete_null_bdev(struct spdk_bdev *bdev, spdk_delete_null_complete cb_fn,
void *cb_arg);
#endif /* SPDK_BDEV_NULL_H */