76fb903a74
Adding new bdev module - zoned block device virtual bdev. It should be possible to build on top of a regular (ie. non-OCSSD) bdev and surface a zoned device API instead. Added create and deletion functions for this bdev. Signed-off-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com> Change-Id: Ia383483007117d1c826298fd391467a51fa2fe4e Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/468030 Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/*-
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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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#include "spdk/stdinc.h"
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#include "vbdev_zone_block.h"
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#include "spdk/config.h"
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#include "spdk/nvme.h"
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#include "spdk_internal/log.h"
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int
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spdk_vbdev_zone_block_create(const char *bdev_name, const char *vbdev_name, uint64_t zone_capacity,
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uint64_t optimal_open_zones)
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{
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struct spdk_bdev *bdev = NULL;
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int rc = 0;
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bdev = spdk_bdev_get_by_name(bdev_name);
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if (!bdev) {
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SPDK_ERRLOG("Base bdev (%s) doesn't exist\n", bdev_name);
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return -ENODEV;
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}
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if (spdk_bdev_is_zoned(bdev)) {
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SPDK_ERRLOG("Base bdev %s is already a zoned bdev\n", bdev_name);
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return -EEXIST;
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}
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if (zone_capacity == 0) {
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SPDK_ERRLOG("Zone capacity can't be 0\n");
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return -EINVAL;
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}
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if (optimal_open_zones == 0) {
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SPDK_ERRLOG("Optimal open zones can't be 0\n");
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return -EINVAL;
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}
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return rc;
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}
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void
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spdk_vbdev_zone_block_delete(const char *name, spdk_bdev_unregister_cb cb_fn, void *cb_arg)
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{
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cb_fn(cb_arg, 0);
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}
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SPDK_LOG_REGISTER_COMPONENT("vbdev_zone_block", SPDK_LOG_VBDEV_ZONE_BLOCK)
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