1 /* $NetBSD: intr.h,v 1.46 2018/06/24 13:35:32 jdolecek Exp $ */ 2 /* NetBSD intr.h,v 1.15 2004/10/31 10:39:34 yamt Exp */ 3 4 /*- 5 * Copyright (c) 1998, 2001 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Charles M. Hannum, and by Jason R. Thorpe. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef _XEN_INTR_H_ 34 #define _XEN_INTR_H_ 35 36 #include <machine/intrdefs.h> 37 38 #ifndef _LOCORE 39 #include <xen/xen-public/xen.h> 40 #include <x86/intr.h> 41 #include <xen/xen.h> 42 #include <xen/hypervisor.h> 43 #include <machine/pic.h> 44 #include <sys/evcnt.h> 45 46 #include "opt_xen.h" 47 48 49 struct cpu_info; 50 /* 51 * Struct describing an event channel. 52 */ 53 54 struct evtsource { 55 int ev_maxlevel; /* max. IPL for this source */ 56 uint32_t ev_imask; /* interrupt mask */ 57 struct intrhand *ev_handlers; /* handler chain */ 58 struct evcnt ev_evcnt; /* interrupt counter */ 59 struct cpu_info *ev_cpu; /* cpu on which this event is bound */ 60 char ev_intrname[32]; /* interrupt string */ 61 char ev_xname[64]; /* handler device list */ 62 }; 63 64 extern struct intrstub xenev_stubs[]; 65 extern int irq2vect[256]; 66 extern int vect2irq[256]; 67 extern int irq2port[NR_EVENT_CHANNELS]; /* actually port + 1, so that 0 is invaid */ 68 69 #ifdef MULTIPROCESSOR 70 int xen_intr_biglock_wrapper(void *); 71 #endif 72 73 #if defined(DOM0OPS) || NPCI > 0 74 int xen_pirq_alloc(intr_handle_t *, int); 75 #endif /* defined(DOM0OPS) || NPCI > 0 */ 76 77 #ifdef MULTIPROCESSOR 78 void xen_ipi_init(void); 79 int xen_send_ipi(struct cpu_info *, uint32_t); 80 void xen_broadcast_ipi(uint32_t); 81 #else 82 #define xen_ipi_init(_1) ((void) 0) /* nothing */ 83 #define xen_send_ipi(_i1, _i2) (0) /* nothing */ 84 #define xen_broadcast_ipi(_i1) ((void) 0) /* nothing */ 85 #endif /* MULTIPROCESSOR */ 86 #endif /* !_LOCORE */ 87 88 #endif /* _XEN_INTR_H_ */ 89