bdev/zone: Create and delete zoned block device vdev (76fb903a) · Commits · Public Repositories / spdk

mk/spdk.lib_deps.mk

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		@@ -112,6 +112,7 @@ DEPDIRS-bdev_gpt := bdev conf json log thread util

		DEPDIRS-bdev_lvol := $(BDEV_DEPS) lvol blob blob_bdev
		DEPDIRS-bdev_rpc := $(BDEV_DEPS)
		DEPDIRS-bdev_zone_block := bdev log

		DEPDIRS-bdev_error := $(BDEV_DEPS_CONF)
		DEPDIRS-bdev_malloc := $(BDEV_DEPS_CONF) copy

mk/spdk.modules.mk

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		@@ -33,6 +33,7 @@

		BLOCKDEV_MODULES_LIST = bdev_malloc bdev_null bdev_nvme bdev_passthru bdev_lvol
		BLOCKDEV_MODULES_LIST += bdev_raid bdev_error bdev_gpt bdev_split bdev_delay
		BLOCKDEV_MODULES_LIST += bdev_zone_block
		BLOCKDEV_MODULES_LIST += blobfs blob_bdev blob lvol vmd nvme

		ifeq ($(CONFIG_CRYPTO),y)

module/bdev/Makefile

+1 −1

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		@@ -34,7 +34,7 @@
		SPDK_ROOT_DIR := $(abspath $(CURDIR)/../..)
		include $(SPDK_ROOT_DIR)/mk/spdk.common.mk

		DIRS-y += delay error gpt lvol malloc null nvme passthru raid rpc split
		DIRS-y += delay error gpt lvol malloc null nvme passthru raid rpc split zone_block

		DIRS-$(CONFIG_CRYPTO) += crypto

module/bdev/zone_block/Makefile

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		#
		# 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.
		#

		SPDK_ROOT_DIR := $(abspath $(CURDIR)/../../..)
		include $(SPDK_ROOT_DIR)/mk/spdk.common.mk

		C_SRCS = vbdev_zone_block.c
		LIBNAME = bdev_zone_block

		include $(SPDK_ROOT_DIR)/mk/spdk.lib.mk

module/bdev/zone_block/vbdev_zone_block.c

0 → 100644

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Original line number	Diff line number	Diff line
		/*-
		* 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.
		*/

		#include "spdk/stdinc.h"

		#include "vbdev_zone_block.h"

		#include "spdk/config.h"
		#include "spdk/nvme.h"

		#include "spdk_internal/log.h"

		int
		spdk_vbdev_zone_block_create(const char bdev_name, const char vbdev_name, uint64_t zone_capacity,
		uint64_t optimal_open_zones)
		{
		struct spdk_bdev *bdev = NULL;
		int rc = 0;

		bdev = spdk_bdev_get_by_name(bdev_name);

		if (!bdev) {
		SPDK_ERRLOG("Base bdev (%s) doesn't exist\n", bdev_name);
		return -ENODEV;
		}

		if (spdk_bdev_is_zoned(bdev)) {
		SPDK_ERRLOG("Base bdev %s is already a zoned bdev\n", bdev_name);
		return -EEXIST;
		}

		if (zone_capacity == 0) {
		SPDK_ERRLOG("Zone capacity can't be 0\n");
		return -EINVAL;
		}

		if (optimal_open_zones == 0) {
		SPDK_ERRLOG("Optimal open zones can't be 0\n");
		return -EINVAL;
		}

		return rc;
		}

		void
		spdk_vbdev_zone_block_delete(const char name, spdk_bdev_unregister_cb cb_fn, void cb_arg)
		{
		cb_fn(cb_arg, 0);
		}

		SPDK_LOG_REGISTER_COMPONENT("vbdev_zone_block", SPDK_LOG_VBDEV_ZONE_BLOCK)