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evtchn.h revision 1.28.2.1 
      1  1.28.2.1    bouyer /*	$NetBSD: evtchn.h,v 1.28.2.1 2020/04/19 11:40:30 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      1.10    bouyer #define NR_PIRQS	256
     33       1.2    bouyer 
     34       1.5    bouyer extern struct evtsource *evtsource[];
     35       1.2    bouyer 
     36       1.2    bouyer void events_default_setup(void);
     37      1.17       jym void events_init(void);
     38      1.20       jym bool events_suspend(void);
     39      1.20       jym bool events_resume(void);
     40      1.20       jym 
     41       1.9      yamt unsigned int evtchn_do_event(int, struct intrframe *);
     42      1.13      yamt void call_evtchn_do_event(int, struct intrframe *);
     43      1.16    bouyer void call_xenevt_event(int);
     44      1.26  jdolecek int event_set_handler(int, int (*func)(void *), void *, int, const char *,
     45      1.27  jdolecek     const char *, bool);
     46       1.5    bouyer int event_remove_handler(int, int (*func)(void *), void *);
     47       1.2    bouyer 
     48      1.19    cherry struct cpu_info;
     49      1.15    bouyer struct intrhand;
     50      1.19    cherry void event_set_iplhandler(struct cpu_info *, struct intrhand *, int);
     51      1.15    bouyer 
     52      1.14    bouyer extern int debug_port;
     53      1.14    bouyer extern int xen_debug_handler(void *);
     54      1.14    bouyer 
     55       1.5    bouyer int bind_virq_to_evtch(int);
     56       1.5    bouyer int bind_pirq_to_evtch(int);
     57      1.24    cherry int get_pirq_to_evtch(int);
     58      1.17       jym int unbind_pirq_from_evtch(int);
     59      1.17       jym int unbind_virq_from_evtch(int);
     60       1.2    bouyer 
     61      1.19    cherry evtchn_port_t bind_vcpu_to_evtch(cpuid_t);
     62      1.19    cherry 
     63       1.2    bouyer struct pintrhand {
     64      1.25    cherry 	/* See comments in x86/include/intr.h:struct intrhand {} */
     65  1.28.2.1    bouyer 	struct pic *pic;
     66  1.28.2.1    bouyer 	struct intrhand *ih;
     67       1.2    bouyer 	int pirq;
     68       1.5    bouyer 	int evtch;
     69       1.2    bouyer 	int (*func)(void *);
     70       1.2    bouyer 	void *arg;
     71       1.2    bouyer };
     72       1.2    bouyer 
     73      1.12    bouyer struct pintrhand *pirq_establish(int, int, int (*)(void *), void *, int,
     74      1.28  jdolecek      const char *, const char *, bool);
     75      1.23    bouyer void pirq_disestablish(struct pintrhand *);
     76       1.2    bouyer 
     77       1.2    bouyer #endif /*  _XEN_EVENTS_H_ */
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