/*- * 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. */ /** \file * Zoned device public interface */ #ifndef SPDK_BDEV_ZONE_H #define SPDK_BDEV_ZONE_H #include "spdk/stdinc.h" /** * \brief SPDK block device. * * This is a virtual representation of a block device that is exported by the backend. */ struct spdk_bdev; /** * Get device zone size in logical blocks. * * \param bdev Block device to query. * \return Size of zone for this zoned device in logical blocks. */ uint64_t spdk_bdev_get_zone_size(const struct spdk_bdev *bdev); /** * Get device maximum number of open zones. * * If this value is 0, there is no limit. * * \param bdev Block device to query. * \return Maximum number of open zones for this zoned device. */ uint32_t spdk_bdev_get_max_open_zones(const struct spdk_bdev *bdev); /** * Get device optimal number of open zones. * * \param bdev Block device to query. * \return Optimal number of open zones for this zoned device. */ uint32_t spdk_bdev_get_optimal_open_zones(const struct spdk_bdev *bdev); #endif /* SPDK_BDEV_ZONE_H */