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# $FreeBSD$ 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 static device_t 41 null_create_iov_child(device_t bus, device_t pf, uint16_t rid, 42 uint16_t vid, uint16_t did) 43 { 44 device_printf(bus, "PCI_IOV not implemented on this bus.\n"); 45 return (NULL); 46 } 47}; 48 49HEADER { 50 struct nvlist; 51} 52 53 54METHOD u_int32_t read_config { 55 device_t dev; 56 device_t child; 57 int reg; 58 int width; 59}; 60 61METHOD void write_config { 62 device_t dev; 63 device_t child; 64 int reg; 65 u_int32_t val; 66 int width; 67}; 68 69METHOD int get_powerstate { 70 device_t dev; 71 device_t child; 72}; 73 74METHOD int set_powerstate { 75 device_t dev; 76 device_t child; 77 int state; 78}; 79 80METHOD int get_vpd_ident { 81 device_t dev; 82 device_t child; 83 const char **identptr; 84}; 85 86METHOD int get_vpd_readonly { 87 device_t dev; 88 device_t child; 89 const char *kw; 90 const char **vptr; 91}; 92 93METHOD int enable_busmaster { 94 device_t dev; 95 device_t child; 96}; 97 98METHOD int disable_busmaster { 99 device_t dev; 100 device_t child; 101}; 102 103METHOD int enable_io { 104 device_t dev; 105 device_t child; 106 int space; 107}; 108 109METHOD int disable_io { 110 device_t dev; 111 device_t child; 112 int space; 113}; 114 115METHOD int assign_interrupt { 116 device_t dev; 117 device_t child; 118}; 119 120METHOD int find_cap { 121 device_t dev; 122 device_t child; 123 int capability; 124 int *capreg; 125}; 126 127METHOD int find_extcap { 128 device_t dev; 129 device_t child; 130 int capability; 131 int *capreg; 132}; 133 134METHOD int find_htcap { 135 device_t dev; 136 device_t child; 137 int capability; 138 int *capreg; 139}; 140 141METHOD int alloc_msi { 142 device_t dev; 143 device_t child; 144 int *count; 145}; 146 147METHOD int alloc_msix { 148 device_t dev; 149 device_t child; 150 int *count; 151}; 152 153METHOD void enable_msi { 154 device_t dev; 155 device_t child; 156 uint64_t address; 157 uint16_t data; 158}; 159 160METHOD void enable_msix { 161 device_t dev; 162 device_t child; 163 u_int index; 164 uint64_t address; 165 uint32_t data; 166}; 167 168METHOD void disable_msi { 169 device_t dev; 170 device_t child; 171}; 172 173METHOD int remap_msix { 174 device_t dev; 175 device_t child; 176 int count; 177 const u_int *vectors; 178}; 179 180METHOD int release_msi { 181 device_t dev; 182 device_t child; 183}; 184 185METHOD int msi_count { 186 device_t dev; 187 device_t child; 188} DEFAULT null_msi_count; 189 190METHOD int msix_count { 191 device_t dev; 192 device_t child; 193} DEFAULT null_msi_count; 194 195METHOD uint16_t get_rid { 196 device_t dev; 197 device_t child; 198}; 199 200METHOD void child_added { 201 device_t dev; 202 device_t child; 203}; 204 205METHOD int iov_attach { 206 device_t dev; 207 device_t child; 208 struct nvlist *pf_schema; 209 struct nvlist *vf_schema; 210}; 211 212METHOD int iov_detach { 213 device_t dev; 214 device_t child; 215}; 216 217METHOD device_t create_iov_child { 218 device_t bus; 219 device_t pf; 220 uint16_t rid; 221 uint16_t vid; 222 uint16_t did; 223} DEFAULT null_create_iov_child; 224