1/*- 2 * Copyright (c) 2005 3 * Bill Paul <wpaul@windriver.com>. 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 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 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 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: releng/10.3/usr.sbin/ndiscvt/windrv_stub.c 186507 2008-12-27 08:03:32Z weongyo $"); 35 36#include <sys/param.h> 37#include <sys/systm.h> 38#include <sys/kernel.h> 39#include <sys/module.h> 40#include <sys/conf.h> 41 42#include <machine/bus.h> 43#include <machine/resource.h> 44#include <sys/bus.h> 45 46#define NDIS_REGVALS 47 48struct ndis_cfg { 49 char *nc_cfgkey; 50 char *nc_cfgdesc; 51 char nc_val[256]; 52 int nc_idx; 53}; 54 55typedef struct ndis_cfg ndis_cfg; 56 57#include "windrv.h" 58 59struct ndis_pci_type { 60 uint16_t ndis_vid; 61 uint16_t ndis_did; 62 uint32_t ndis_subsys; 63 char *ndis_name; 64}; 65 66struct ndis_pccard_type { 67 const char *ndis_vid; 68 const char *ndis_did; 69 char *ndis_name; 70}; 71 72struct ndis_usb_type { 73 uint16_t ndis_vid; 74 uint16_t ndis_did; 75 char *ndis_name; 76}; 77 78#ifdef NDIS_PCI_DEV_TABLE 79static struct ndis_pci_type ndis_devs_pci[] = { 80 NDIS_PCI_DEV_TABLE 81 { 0, 0, 0, NULL } 82}; 83#endif 84 85#ifdef NDIS_PCMCIA_DEV_TABLE 86static struct ndis_pccard_type ndis_devs_pccard[] = { 87 NDIS_PCMCIA_DEV_TABLE 88 { NULL, NULL, NULL } 89}; 90#endif 91 92#ifdef NDIS_USB_DEV_TABLE 93static struct ndis_usb_type ndis_devs_usb[] = { 94 NDIS_USB_DEV_TABLE 95 { 0, 0, NULL } 96}; 97#endif 98 99enum interface_type { 100 InterfaceTypeUndefined = -1, 101 Internal, 102 Isa, 103 Eisa, 104 MicroChannel, 105 TurboChannel, 106 PCIBus, 107 VMEBus, 108 NuBus, 109 PCMCIABus, 110 CBus, 111 MPIBus, 112 MPSABus, 113 ProcessorInternal, 114 InternalPowerBus, 115 PNPISABus, 116 PNPBus, 117 MaximumInterfaceType 118}; 119 120typedef enum interface_type interface_type; 121 122/* 123 * XXX 124 * Ordinarily, device_probe_desc is defined in device_if.h, which 125 * is created from device_if.m. The problem is, the latter file 126 * is only available if you have the kernel source code installed, 127 * and not all users choose to install it. I'd like to let people 128 * load Windows driver modules with the minimal amount of hassle 129 * and dependencies. <sys/bus.h> wants both device_if.h and bus_if.h 130 * to be defined, but it turns out the only thing we really need 131 * to get this module compiled is device_probe_desc, so we define 132 * that here, and let the build script create empty copies of 133 * device_if.h and bus_if.h to make the compiler happy. 134 */ 135 136extern struct kobjop_desc device_probe_desc; 137typedef int device_probe_t(device_t dev); 138 139extern int windrv_load(module_t, vm_offset_t, size_t, 140 interface_type, void *, void *); 141extern int windrv_unload(module_t, vm_offset_t, size_t); 142 143#ifndef DRV_DATA_START 144#define DRV_DATA_START UNDEF_START 145#endif 146 147#ifndef DRV_DATA_END 148#define DRV_DATA_END UNDEF_END 149#endif 150 151#ifndef DRV_NAME 152#define DRV_NAME UNDEF_NAME 153#endif 154 155extern uint8_t DRV_DATA_START; 156extern uint8_t DRV_DATA_END; 157 158/* 159 * The following is stub code that makes it look as though we want 160 * to be a child device of all the buses that our supported devices 161 * might want to attach to. Our probe routine always fails. The 162 * reason we need this code is so that loading an ELF-ified Windows 163 * driver module will trigger a bus reprobe. 164 */ 165 166#define MODULE_DECL(x) \ 167 MODULE_DEPEND(x, ndisapi, 1, 1, 1); \ 168 MODULE_DEPEND(x, ndis, 1, 1, 1) 169 170MODULE_DECL(DRV_NAME); 171 172static int windrv_probe(device_t); 173static int windrv_modevent(module_t, int, void *); 174static int windrv_loaded = 0; 175 176static device_method_t windrv_methods[] = { 177 /* Device interface */ 178 DEVMETHOD(device_probe, windrv_probe), 179 180 { 0, 0 } 181}; 182 183static driver_t windrv_driver = { 184 "windrv_stub", 185 windrv_methods, 186 0 187}; 188 189static devclass_t windrv_devclass; 190 191#define DRIVER_DECL(x) \ 192 DRIVER_MODULE(x, pci, windrv_driver, \ 193 windrv_devclass, windrv_modevent, NULL); \ 194 DRIVER_MODULE(x, cardbus, windrv_driver, \ 195 windrv_devclass, windrv_modevent, NULL); \ 196 DRIVER_MODULE(x, pccard, windrv_driver, \ 197 windrv_devclass, windrv_modevent, NULL); \ 198 DRIVER_MODULE(x, uhub, windrv_driver, \ 199 windrv_devclass, windrv_modevent, NULL); \ 200 MODULE_VERSION(x, 1) 201 202DRIVER_DECL(DRV_NAME); 203 204static int 205windrv_probe(dev) 206 device_t dev; 207{ 208 return (ENXIO); 209} 210 211static int 212windrv_modevent(mod, cmd, arg) 213 module_t mod; 214 int cmd; 215 void *arg; 216{ 217 int drv_data_len; 218 int error = 0; 219 vm_offset_t drv_data_start; 220 vm_offset_t drv_data_end; 221 222 drv_data_start = (vm_offset_t)&DRV_DATA_START; 223 drv_data_end = (vm_offset_t)&DRV_DATA_END; 224 225 drv_data_len = drv_data_end - drv_data_start; 226 switch (cmd) { 227 case MOD_LOAD: 228 windrv_loaded++; 229 if (windrv_loaded > 1) 230 break; 231#ifdef NDIS_PCI_DEV_TABLE 232 windrv_load(mod, drv_data_start, drv_data_len, PCIBus, 233 ndis_devs_pci, &ndis_regvals); 234#endif 235#ifdef NDIS_PCMCIA_DEV_TABLE 236 windrv_load(mod, drv_data_start, drv_data_len, PCMCIABus, 237 ndis_devs_pccard, &ndis_regvals); 238#endif 239#ifdef NDIS_USB_DEV_TABLE 240 windrv_load(mod, drv_data_start, drv_data_len, PNPBus, 241 ndis_devs_usb, &ndis_regvals); 242#endif 243 break; 244 case MOD_UNLOAD: 245 windrv_loaded--; 246 if (windrv_loaded > 0) 247 break; 248#ifdef NDIS_PCI_DEV_TABLE 249 windrv_unload(mod, drv_data_start, drv_data_len); 250#endif 251#ifdef NDIS_PCMCIA_DEV_TABLE 252 windrv_unload(mod, drv_data_start, drv_data_len); 253#endif 254#ifdef NDIS_USB_DEV_TABLE 255 windrv_unload(mod, drv_data_start, drv_data_len); 256#endif 257 break; 258 case MOD_SHUTDOWN: 259 break; 260 default: 261 error = EINVAL; 262 break; 263 } 264 265 return (error); 266} 267