evtchn.h revision 1.20.12.1
1 1.20.12.1 jdolecek /* $NetBSD: evtchn.h,v 1.20.12.1 2017/12/03 11:36:51 jdolecek 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 1.6 bouyer int event_set_handler(int, int (*func)(void *), void *, int, const char *); 45 1.5 bouyer int event_remove_handler(int, int (*func)(void *), void *); 46 1.2 bouyer 47 1.19 cherry struct cpu_info; 48 1.15 bouyer struct intrhand; 49 1.19 cherry void event_set_iplhandler(struct cpu_info *, struct intrhand *, int); 50 1.15 bouyer 51 1.14 bouyer extern int debug_port; 52 1.14 bouyer extern int xen_debug_handler(void *); 53 1.14 bouyer 54 1.5 bouyer int bind_virq_to_evtch(int); 55 1.5 bouyer int bind_pirq_to_evtch(int); 56 1.20.12.1 jdolecek int get_pirq_to_evtch(int); 57 1.17 jym int unbind_pirq_from_evtch(int); 58 1.17 jym int unbind_virq_from_evtch(int); 59 1.2 bouyer 60 1.19 cherry evtchn_port_t bind_vcpu_to_evtch(cpuid_t); 61 1.19 cherry 62 1.2 bouyer struct pintrhand { 63 1.20.12.1 jdolecek /* See comments in x86/include/intr.h:struct intrhand {} */ 64 1.20.12.1 jdolecek int pic_type; 65 1.2 bouyer int pirq; 66 1.5 bouyer int evtch; 67 1.2 bouyer int (*func)(void *); 68 1.2 bouyer void *arg; 69 1.2 bouyer }; 70 1.2 bouyer 71 1.12 bouyer struct pintrhand *pirq_establish(int, int, int (*)(void *), void *, int, 72 1.12 bouyer const char *); 73 1.20.12.1 jdolecek void pirq_disestablish(struct pintrhand *); 74 1.2 bouyer 75 1.2 bouyer #endif /* _XEN_EVENTS_H_ */ 76
Indexes created Wed Oct 29 12:09:47 GMT 2025