dc9374dd2f
The functions to initialize the SPDK subsystems or tear them down was previously an internal-only API. Make it public for use by applications that aren't leverage SPDK's application framework. Signed-off-by: Ben Walker <benjamin.walker@intel.com> Change-Id: I2ebfd020e6fa4c1947fa1c1a2ac509ce9b0242f8 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6643 Reviewed-by: Tom Nabarro <tom.nabarro@outlook.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Community-CI: Mellanox Build Bot
91 lines
3.1 KiB
C
91 lines
3.1 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation. 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_INIT_INTERNAL_H
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#define SPDK_INIT_INTERNAL_H
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#include "spdk/stdinc.h"
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#include "spdk/queue.h"
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struct spdk_json_write_ctx;
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struct spdk_subsystem {
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const char *name;
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/* User must call spdk_subsystem_init_next() when they are done with their initialization. */
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void (*init)(void);
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void (*fini)(void);
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/**
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* Write JSON configuration handler.
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*
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* \param w JSON write context
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*/
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void (*write_config_json)(struct spdk_json_write_ctx *w);
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TAILQ_ENTRY(spdk_subsystem) tailq;
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};
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struct spdk_subsystem_depend {
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const char *name;
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const char *depends_on;
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TAILQ_ENTRY(spdk_subsystem_depend) tailq;
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};
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void spdk_add_subsystem(struct spdk_subsystem *subsystem);
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void spdk_add_subsystem_depend(struct spdk_subsystem_depend *depend);
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void spdk_subsystem_init_next(int rc);
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void spdk_subsystem_fini_next(void);
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/**
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* \brief Register a new subsystem
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*/
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#define SPDK_SUBSYSTEM_REGISTER(_name) \
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__attribute__((constructor)) static void _name ## _register(void) \
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{ \
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spdk_add_subsystem(&_name); \
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}
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/**
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* \brief Declare that a subsystem depends on another subsystem.
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*/
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#define SPDK_SUBSYSTEM_DEPEND(_name, _depends_on) \
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static struct spdk_subsystem_depend __subsystem_ ## _name ## _depend_on ## _depends_on = { \
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.name = #_name, \
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.depends_on = #_depends_on, \
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}; \
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__attribute__((constructor)) static void _name ## _depend_on ## _depends_on(void) \
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{ \
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spdk_add_subsystem_depend(&__subsystem_ ## _name ## _depend_on ## _depends_on); \
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}
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#endif
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