1#- 2# Copyright (c) 2012 Jakub Wojciech Klama <jceel@FreeBSD.org> 3# Copyright (c) 2015 Svatopluk Kraus 4# Copyright (c) 2015 Michal Meloun 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28# $FreeBSD$ 29# 30 31#include <sys/bus.h> 32#include <sys/cpuset.h> 33#include <machine/frame.h> 34#include <machine/intr.h> 35 36INTERFACE pic; 37 38CODE { 39 static int null_pic_bind(device_t dev, struct intr_irqsrc *isrc) 40 { 41 return (EOPNOTSUPP); 42 } 43 44 static void null_pic_disable_intr(device_t dev, struct intr_irqsrc *isrc) 45 { 46 return; 47 } 48 49 static void null_pic_enable_intr(device_t dev, struct intr_irqsrc *isrc) 50 { 51 return; 52 } 53 54 static void null_pic_init_secondary(device_t dev) 55 { 56 return; 57 } 58 59 static void null_pic_ipi_send(device_t dev, cpuset_t cpus, u_int ipi) 60 { 61 return; 62 } 63 64 static int 65 dflt_pic_ipi_setup(device_t dev, u_int ipi, struct intr_irqsrc *isrc) 66 { 67 68 return (EOPNOTSUPP); 69 } 70}; 71 72METHOD int register { 73 device_t dev; 74 struct intr_irqsrc *isrc; 75 boolean_t *is_percpu; 76}; 77 78METHOD int unregister { 79 device_t dev; 80 struct intr_irqsrc *isrc; 81}; 82 83METHOD void disable_intr { 84 device_t dev; 85 struct intr_irqsrc *isrc; 86} DEFAULT null_pic_disable_intr; 87 88METHOD void disable_source { 89 device_t dev; 90 struct intr_irqsrc *isrc; 91}; 92 93METHOD void enable_source { 94 device_t dev; 95 struct intr_irqsrc *isrc; 96}; 97 98METHOD void enable_intr { 99 device_t dev; 100 struct intr_irqsrc *isrc; 101} DEFAULT null_pic_enable_intr; 102 103METHOD void pre_ithread { 104 device_t dev; 105 struct intr_irqsrc *isrc; 106}; 107 108METHOD void post_ithread { 109 device_t dev; 110 struct intr_irqsrc *isrc; 111}; 112 113METHOD void post_filter { 114 device_t dev; 115 struct intr_irqsrc *isrc; 116}; 117 118METHOD int bind { 119 device_t dev; 120 struct intr_irqsrc *isrc; 121} DEFAULT null_pic_bind; 122 123METHOD void init_secondary { 124 device_t dev; 125} DEFAULT null_pic_init_secondary; 126 127METHOD void ipi_send { 128 device_t dev; 129 struct intr_irqsrc *isrc; 130 cpuset_t cpus; 131} DEFAULT null_pic_ipi_send; 132 133METHOD int ipi_setup { 134 device_t dev; 135 u_int ipi; 136 struct intr_irqsrc *isrc; 137} DEFAULT dflt_pic_ipi_setup; 138