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      1 /*-
      2  * Copyright (c) 2014 The NetBSD Foundation, Inc.
      3  * All rights reserved.
      4  *
      5  * This code is derived from software contributed to The NetBSD Foundation
      6  * by Christos Zoulas.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     27  * POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 struct sysctllog;
     30 
     31 struct drm_sysctl_def {
     32 	struct sysctllog *log;
     33 	const void *bp, *ep, *bd, *ed;
     34 };
     35 
     36 void drm_sysctl_init(struct drm_sysctl_def *);
     37 void drm_sysctl_fini(struct drm_sysctl_def *);
     38 
     39 #define DRM_SYSCTL_INIT() {				\
     40 	NULL,						\
     41 	__link_set_start(linux_module_param_info),	\
     42 	__link_set_end(linux_module_param_info),	\
     43 	__link_set_start(linux_module_param_desc),	\
     44 	__link_set_end(linux_module_param_desc),	\
     45 };
     46 
     47 __link_set_decl(linux_module_param_info, struct linux_module_param_info);
     48 __link_set_decl(linux_module_param_desc, struct linux_module_param_desc);
     49