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      1 /*	$NetBSD: interrupt.h,v 1.2 2015/08/17 18:43:37 macallan Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2015 Internet Initiative Japan Inc.
      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  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _SYS_INTERRUPT_H_
     30 #define _SYS_INTERRUPT_H_
     31 
     32 #include <sys/types.h>
     33 #include <sys/intr.h>
     34 #include <sys/kcpuset.h>
     35 
     36 typedef char intrid_t[INTRIDBUF];
     37 struct intrids_handler {
     38 	int iih_nids;
     39 	intrid_t iih_intrids[1];
     40 	/*
     41 	 * The number of the "iih_intrids" array will be overwritten by
     42 	 * "iih_nids" after intr_construct_intrids().
     43 	 */
     44 };
     45 
     46 uint64_t	interrupt_get_count(const char *, u_int);
     47 void		interrupt_get_assigned(const char *, kcpuset_t *);
     48 void		interrupt_get_available(kcpuset_t *);
     49 void		interrupt_get_devname(const char *, char *, size_t);
     50 struct intrids_handler	*interrupt_construct_intrids(const kcpuset_t *);
     51 void		interrupt_destruct_intrids(struct intrids_handler *);
     52 int		interrupt_distribute(void *, const kcpuset_t *, kcpuset_t *);
     53 int		interrupt_distribute_handler(const char *, const kcpuset_t *,
     54 		    kcpuset_t *);
     55 
     56 #endif /* !_SYS_INTERRUPT_H_ */
     57