db0df37d98
Signed-off-by: Seth Howell <seth.howell@intel.com> Change-Id: I337ed5dd8ed4470645c02b4b5e519c28657c024c Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/2336 Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Community-CI: Mellanox Build Bot
69 lines
2.9 KiB
C
69 lines
2.9 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright (c) Intel Corporation.
|
|
* 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_VBDEV_SPLIT_H
|
|
#define SPDK_VBDEV_SPLIT_H
|
|
|
|
#include "spdk/bdev_module.h"
|
|
|
|
/**
|
|
* Add given disk name to split config. If bdev with \c base_bdev_name name
|
|
* exist the split bdevs will be created right away, if not the split bdevs will
|
|
* be created when base bdev became be available (during examination process).
|
|
*
|
|
* \param base_bdev_name Base bdev name
|
|
* \param split_count number of splits to be created.
|
|
* \param split_size_mb size of each bdev. If 0 use base bdev size / split_count
|
|
* \return value >= 0 - number of splits create. Negative errno code on error.
|
|
*/
|
|
int create_vbdev_split(const char *base_bdev_name, unsigned split_count, uint64_t split_size_mb);
|
|
|
|
/**
|
|
* Remove all created split bdevs and split config.
|
|
*
|
|
* \param base_bdev_name base bdev name
|
|
* \return 0 on success or negative errno value.
|
|
*/
|
|
int vbdev_split_destruct(const char *base_bdev_name);
|
|
|
|
/**
|
|
* Get the spdk_bdev_part_base associated with the given split base_bdev.
|
|
*
|
|
* \param base_bdev Bdev to get the part_base from
|
|
* \return pointer to the associated spdk_bdev_part_base
|
|
* \return NULL if the base_bdev is not being split by the split module
|
|
*/
|
|
struct spdk_bdev_part_base *vbdev_split_get_part_base(struct spdk_bdev *base_bdev);
|
|
|
|
#endif /* SPDK_VBDEV_SPLIT_H */
|