60 lines
2.5 KiB
C
60 lines
2.5 KiB
C
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/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SPDK_VBDEV_SPLIT_H
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#define SPDK_VBDEV_SPLIT_H
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#include "spdk_internal/bdev.h"
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/**
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* Add given disk name to split config. If bdev with \c base_bdev_name name
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* exist the split bdevs will be created right away, if not the split bdevs will
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* be created when base bdev became be available (during examination process).
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*
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* \param base_bdev_name Base bdev name
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* \param split_count number of splits to be created.
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* \param split_size_mb size of each bdev. If 0 use base bdev size / split_count
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* \return value >= 0 - number of splits create. Negative errno code on error.
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*/
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int create_vbdev_split(const char *base_bdev_name, unsigned split_count, uint64_t split_size_mb);
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/**
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* Remove all created split bdevs and split config.
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*
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* \param base_bdev_name base bdev name
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* \return 0 on succes or negative errno value.
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*/
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int spdk_vbdev_split_destruct(const char *base_bdev_name);
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#endif // SPDK_VBDEV_SPLIT_H
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