d0657f3230
Usually null bdev is used in testing. The resize function provides flexibility Change-Id: I603db0b85ff13a86d38ccc8dd6f260807393df93 Signed-off-by: Jin Yu <jin.yu@intel.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/5797 Community-CI: Broadcom CI Community-CI: Mellanox Build Bot Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
75 lines
2.7 KiB
C
75 lines
2.7 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;
|
|
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);
|
|
/**
|
|
* Resize null bdev.
|
|
*
|
|
* \param bdev Pointer to null bdev.
|
|
* \param new_size_in_mb The new size in MiB for this bdev
|
|
*/
|
|
int bdev_null_resize(struct spdk_bdev *bdev, const uint64_t new_size_in_mb);
|
|
|
|
#endif /* SPDK_BDEV_NULL_H */
|