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      1 /*	$NetBSD: crashme.h,v 1.2 2022/09/21 10:50:11 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2018, 2019 Matthew R. Green
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 /* header for kernel crashme node handling. */
     32 
     33 #ifndef _SYS_CRASHME_H_
     34 #define _SYS_CRASHME_H_
     35 
     36 /*
     37  * don't mark this __dead.  crashme nodes failures should return to
     38  * the caller so it can be handled.
     39  *
     40  * return zero if successful, and should return to user (may be part
     41  * of the setup needed.)  return non-zero otherwise (will call plain
     42  * panic().)
     43  */
     44 typedef int (*crashme_fn)(int);
     45 
     46 typedef struct crashme_node {
     47 	const char		*cn_name;
     48 	const char		*cn_longname;
     49 	crashme_fn		 cn_fn;
     50 	int			 cn_sysctl;
     51 	struct crashme_node	*cn_next;
     52 } crashme_node;
     53 
     54 int crashme_add(crashme_node *ncn);
     55 int crashme_remove(crashme_node *ncn);
     56 
     57 #endif /* _SYS_CRASHME_H_ */
     58