1/* $NetBSD: intr.h,v 1.60 2022/09/07 00:40:19 knakahara 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 <xen/intrdefs.h> 37 38#ifndef _LOCORE 39#include <xen/include/public/xen.h> 40#include <xen/include/public/event_channel.h> 41#include <x86/intr.h> 42#include <xen/xen.h> 43#include <xen/hypervisor.h> 44#include <machine/pic.h> 45#include <sys/evcnt.h> 46 47#include "opt_xen.h" 48 49 50struct cpu_info; 51/* 52 * Struct describing an event channel. 53 */ 54 55struct evtsource { 56 int ev_maxlevel; /* max. IPL for this source */ 57 uint64_t ev_imask; /* interrupt mask */ 58 struct intrhand *ev_handlers; /* handler chain */ 59 struct evcnt ev_evcnt; /* interrupt counter */ 60 struct cpu_info *ev_cpu; /* cpu on which this event is bound */ 61 char ev_intrname[INTRIDBUF]; /* interrupt string */ 62 char ev_xname[INTRDEVNAMEBUF]; /* handler device list */ 63 struct intrsource *ev_isl; /* entry in intr sources list */ 64}; 65 66extern struct intrstub xenev_stubs[]; 67extern short irq2port[NR_EVENT_CHANNELS]; /* actually port + 1, so that 0 is invaid */ 68 69#ifdef MULTIPROCESSOR 70int xen_intr_biglock_wrapper(void *); 71#endif 72 73#if defined(DOM0OPS) || NPCI > 0 74int xen_pic_to_gsi(struct pic *, int); 75int xen_map_msi_pirq(struct pic *, int); 76int xen_map_msix_pirq(struct pic *, int); 77void xen_pci_msi_release(struct pic *, int); 78#endif /* defined(DOM0OPS) || NPCI > 0 */ 79 80#ifdef MULTIPROCESSOR 81void xen_ipi_init(void); 82int xen_send_ipi(struct cpu_info *, uint32_t); 83void xen_broadcast_ipi(uint32_t); 84#else 85#define xen_ipi_init(_1) ((void) 0) /* nothing */ 86#define xen_send_ipi(_i1, _i2) (0) /* nothing */ 87#define xen_broadcast_ipi(_i1) ((void) 0) /* nothing */ 88#endif /* MULTIPROCESSOR */ 89 90void *xen_intr_establish_xname(int, struct pic *, int, int, int, int (*)(void *), 91 void *, bool, const char *); 92void *xen_intr_establish(int, struct pic *, int, int, int, int (*)(void *), 93 void *, bool); 94void xen_intr_mask(struct intrhand *); 95void xen_intr_unmask(struct intrhand *); 96void xen_intr_disestablish(struct intrhand *); 97 98struct intrsource *xen_intr_allocate_io_intrsource(const char *); 99void xen_intr_free_io_intrsource(const char *); 100 101#endif /* !_LOCORE */ 102 103#endif /* _XEN_INTR_H_ */ 104