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evtchn.h revision 1.32 
      1  1.32    bouyer /*	$NetBSD: evtchn.h,v 1.32 2020/05/07 19:48:58 bouyer Exp $	*/
      2   1.2    bouyer 
      3   1.2    bouyer /*
      4   1.2    bouyer  *
      5   1.2    bouyer  * Copyright (c) 2004 Christian Limpach.
      6   1.2    bouyer  * All rights reserved.
      7   1.2    bouyer  *
      8   1.2    bouyer  * Redistribution and use in source and binary forms, with or without
      9   1.2    bouyer  * modification, are permitted provided that the following conditions
     10   1.2    bouyer  * are met:
     11   1.2    bouyer  * 1. Redistributions of source code must retain the above copyright
     12   1.2    bouyer  *    notice, this list of conditions and the following disclaimer.
     13   1.2    bouyer  * 2. Redistributions in binary form must reproduce the above copyright
     14   1.2    bouyer  *    notice, this list of conditions and the following disclaimer in the
     15   1.2    bouyer  *    documentation and/or other materials provided with the distribution.
     16   1.2    bouyer  *
     17   1.2    bouyer  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18   1.2    bouyer  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19   1.2    bouyer  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20   1.2    bouyer  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21   1.2    bouyer  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22   1.2    bouyer  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23   1.2    bouyer  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24   1.2    bouyer  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25   1.2    bouyer  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26   1.2    bouyer  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27   1.2    bouyer  */
     28   1.2    bouyer 
     29   1.2    bouyer #ifndef _XEN_EVENTS_H_
     30   1.2    bouyer #define _XEN_EVENTS_H_
     31   1.2    bouyer 
     32   1.5    bouyer extern struct evtsource *evtsource[];
     33   1.2    bouyer 
     34   1.2    bouyer void events_default_setup(void);
     35  1.17       jym void events_init(void);
     36  1.20       jym bool events_suspend(void);
     37  1.20       jym bool events_resume(void);
     38  1.20       jym 
     39   1.9      yamt unsigned int evtchn_do_event(int, struct intrframe *);
     40  1.13      yamt void call_evtchn_do_event(int, struct intrframe *);
     41  1.16    bouyer void call_xenevt_event(int);
     42  1.30    bouyer struct intrhand *event_set_handler(int, int (*func)(void *), void *,
     43  1.32    bouyer     int, const char *, const char *, bool, struct cpu_info *);
     44   1.5    bouyer int event_remove_handler(int, int (*func)(void *), void *);
     45   1.2    bouyer 
     46  1.19    cherry struct cpu_info;
     47  1.15    bouyer struct intrhand;
     48  1.15    bouyer 
     49  1.14    bouyer extern int debug_port;
     50  1.14    bouyer extern int xen_debug_handler(void *);
     51  1.14    bouyer 
     52   1.5    bouyer int bind_virq_to_evtch(int);
     53   1.5    bouyer int bind_pirq_to_evtch(int);
     54  1.24    cherry int get_pirq_to_evtch(int);
     55  1.17       jym int unbind_pirq_from_evtch(int);
     56  1.17       jym int unbind_virq_from_evtch(int);
     57   1.2    bouyer 
     58  1.19    cherry evtchn_port_t bind_vcpu_to_evtch(cpuid_t);
     59  1.19    cherry 
     60   1.2    bouyer struct pintrhand {
     61  1.25    cherry 	/* See comments in x86/include/intr.h:struct intrhand {} */
     62  1.30    bouyer 	struct pic *pic;
     63  1.30    bouyer 	struct intrhand *ih;
     64   1.2    bouyer 	int pirq;
     65   1.5    bouyer 	int evtch;
     66   1.2    bouyer 	int (*func)(void *);
     67   1.2    bouyer 	void *arg;
     68   1.2    bouyer };
     69   1.2    bouyer 
     70  1.12    bouyer struct pintrhand *pirq_establish(int, int, int (*)(void *), void *, int,
     71  1.28  jdolecek      const char *, const char *, bool);
     72  1.23    bouyer void pirq_disestablish(struct pintrhand *);
     73   1.2    bouyer 
     74   1.2    bouyer #endif /*  _XEN_EVENTS_H_ */
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