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 50 struct cpu_info; 51 /* 52 * Struct describing an event channel. 53 */ 54 55 struct 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 66 extern struct intrstub xenev_stubs[]; 67 extern short 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_pic_to_gsi(struct pic *, int); 75 int xen_map_msi_pirq(struct pic *, int); 76 int xen_map_msix_pirq(struct pic *, int); 77 void xen_pci_msi_release(struct pic *, int); 78 #endif /* defined(DOM0OPS) || NPCI > 0 */ 79 80 #ifdef MULTIPROCESSOR 81 void xen_ipi_init(void); 82 int xen_send_ipi(struct cpu_info *, uint32_t); 83 void 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 90 void *xen_intr_establish_xname(int, struct pic *, int, int, int, int (*)(void *), 91 void *, bool, const char *); 92 void *xen_intr_establish(int, struct pic *, int, int, int, int (*)(void *), 93 void *, bool); 94 void xen_intr_mask(struct intrhand *); 95 void xen_intr_unmask(struct intrhand *); 96 void xen_intr_disestablish(struct intrhand *); 97 98 struct intrsource *xen_intr_allocate_io_intrsource(const char *); 99 void xen_intr_free_io_intrsource(const char *); 100 101 #endif /* !_LOCORE */ 102 103 #endif /* _XEN_INTR_H_ */ 104