1#- 2# Copyright (c) 1998 Doug Rabson 3# All rights reserved. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions 7# are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24# SUCH DAMAGE. 25# 26# $FreeBSD: src/sys/dev/pci/pci_if.m,v 1.12.8.1 2009/04/15 03:14:26 kensmith Exp $ 27# 28 29#include <sys/bus.h> 30 31INTERFACE pci; 32 33CODE { 34 static int 35 null_msi_count(device_t dev, device_t child) 36 { 37 return (0); 38 } 39}; 40 41 42METHOD u_int32_t read_config { 43 device_t dev; 44 device_t child; 45 int reg; 46 int width; 47}; 48 49METHOD void write_config { 50 device_t dev; 51 device_t child; 52 int reg; 53 u_int32_t val; 54 int width; 55}; 56 57METHOD int get_powerstate { 58 device_t dev; 59 device_t child; 60}; 61 62METHOD int set_powerstate { 63 device_t dev; 64 device_t child; 65 int state; 66}; 67 68METHOD int get_vpd_ident { 69 device_t dev; 70 device_t child; 71 const char **identptr; 72}; 73 74METHOD int get_vpd_readonly { 75 device_t dev; 76 device_t child; 77 const char *kw; 78 const char **vptr; 79}; 80 81METHOD int enable_busmaster { 82 device_t dev; 83 device_t child; 84}; 85 86METHOD int disable_busmaster { 87 device_t dev; 88 device_t child; 89}; 90 91METHOD int enable_io { 92 device_t dev; 93 device_t child; 94 int space; 95}; 96 97METHOD int disable_io { 98 device_t dev; 99 device_t child; 100 int space; 101}; 102 103METHOD int assign_interrupt { 104 device_t dev; 105 device_t child; 106}; 107 108METHOD int find_extcap { 109 device_t dev; 110 device_t child; 111 int capability; 112 int *capreg; 113}; 114 115METHOD int alloc_msi { 116 device_t dev; 117 device_t child; 118 int *rid; 119 int count; 120 int cpuid; 121}; 122 123METHOD int release_msi { 124 device_t dev; 125 device_t child; 126}; 127 128METHOD int alloc_msix_vector { 129 device_t dev; 130 device_t child; 131 u_int vector; 132 int *rid; 133 int cpuid; 134}; 135 136METHOD int release_msix_vector { 137 device_t dev; 138 device_t child; 139 int rid; 140}; 141 142METHOD int msi_count { 143 device_t dev; 144 device_t child; 145} DEFAULT null_msi_count; 146 147METHOD int msix_count { 148 device_t dev; 149 device_t child; 150} DEFAULT null_msi_count; 151