Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/i386at/conf.c
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1 /* 2 * Mach Operating System 3 * Copyright (c) 1993-1989 Carnegie Mellon University 4 * All Rights Reserved. 5 * 6 * Permission to use, copy, modify and distribute this software and its 7 * documentation is hereby granted, provided that both the copyright 8 * notice and this permission notice appear in all copies of the 9 * software, derivative works or modified versions, and any portions 10 * thereof, and that both notices appear in supporting documentation. 11 * 12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 15 * 16 * Carnegie Mellon requests users of this software to return to 17 * 18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 19 * School of Computer Science 20 * Carnegie Mellon University 21 * Pittsburgh PA 15213-3890 22 * 23 * any improvements or extensions that they make and grant Carnegie Mellon 24 * the rights to redistribute these changes. 25 */ 26 /* 27 * HISTORY 28 * $Log: conf.c,v $ 29 * Revision 2.17 93/11/17 16:43:24 dbg 30 * Added "mc" and "clockpit" devices for new clocks and 31 * timers. 32 * [93/05/21 dbg] 33 * 34 * Revision 2.16 93/05/17 15:04:47 rvb 35 * Type casts, etc to quiet gcc 2.3.3 warnings 36 * [93/05/17 rvb] 37 * 38 * Revision 2.15 93/03/09 10:54:33 danner 39 * Added SCSI CD-ROM Audio. Added back SCSI processor links. 40 * [93/03/06 af] 41 * 42 * Revision 2.14 93/02/05 08:18:31 danner 43 * Added include. 44 * [93/02/04 danner] 45 * 46 * Revision 2.13 93/01/24 13:15:14 danner 47 * Add d-link "600" ethernet device "de" 48 * [92/08/13 rvb] 49 * 50 * Revision 2.12 92/02/19 16:29:40 elf 51 * Add lpr and par devices. (taken from 2.5) 52 * [92/02/13 rvb] 53 * 54 * Revision 2.11 92/01/03 20:39:53 dbg 55 * Added devinfo routine to scsi to accomodate MI change 56 * that screwed up extra large writes. 57 * [91/12/26 11:06:54 af] 58 * 59 * Revision 2.10 91/08/28 11:11:37 jsb 60 * Fixed field-describing comment in dev_name_list definition. 61 * [91/08/27 17:52:06 jsb] 62 * 63 * Convert bsize entries to devinfo entries. Add nodev entries for 64 * devices that don't support devinfo. 65 * [91/08/15 18:43:13 jsb] 66 * 67 * Add block size entries for hd and fd. 68 * [91/08/12 17:32:55 dlb] 69 * 70 * Revision 2.9 91/08/24 11:57:26 af 71 * Added SCSI disks, tapes, and cpus. 72 * [91/08/02 02:56:08 af] 73 * 74 * Revision 2.8 91/05/14 16:22:01 mrt 75 * Correcting copyright 76 * 77 * Revision 2.7 91/02/14 14:42:13 mrt 78 * Allow com driver and distinguish EtherLinkII from wd8003 79 * [91/01/28 15:27:02 rvb] 80 * 81 * Revision 2.6 91/02/05 17:16:44 mrt 82 * Changed to new Mach copyright 83 * [91/02/01 17:42:38 mrt] 84 * 85 * Revision 2.5 91/01/08 17:32:42 rpd 86 * Support for get/set status on hd and fd. 87 * Also fd has 64 minor devices per unit. 88 * Switch wd8003 -> ns8390 89 * [91/01/04 12:17:15 rvb] 90 * 91 * Revision 2.4 90/10/01 14:23:02 jeffreyh 92 * added wd8003 ethernet driver 93 * [90/09/27 18:23:53 jeffreyh] 94 * 95 * Revision 2.3 90/05/21 13:26:53 dbg 96 * Add mouse, keyboard, IOPL devices. 97 * [90/05/17 dbg] 98 * 99 * Revision 2.2 90/05/03 15:41:34 dbg 100 * Add 3c501 under name 'et'. 101 * [90/04/27 dbg] 102 * 103 * Created. 104 * [90/02/20 dbg] 105 * 106 */ 107 108 /* 109 * Device switch for i386 AT bus. 110 */ 111 112 #include <mach/machine/vm_types.h> 113 #include <kern/assert.h> 114 #include <device/conf.h> 115 116 extern vm_offset_t block_io_mmap(); 117 118 extern int timeopen(), timeclose(); 119 extern vm_offset_t timemmap(); 120 #define timename "time" 121 122 #include <hd.h> 123 #if NHD > 0 124 extern int hdopen(), hdclose(), hdread(), hdwrite(); 125 extern int hdgetstat(), hdsetstat(), hddevinfo(); 126 #define hdname "hd" 127 #endif /* NHD > 0 */ 128 129 #include <aha.h> 130 #if NAHA > 0 131 int rz_open(), rz_close(), rz_read(), rz_write(); 132 int rz_get_status(), rz_set_status(), rz_devinfo(); 133 int cd_open(), cd_close(), cd_read(), cd_write(); 134 #define rzname "sd" 135 #define tzname "st" 136 #define scname "sc" /* processors */ 137 #define cdname "cd_audio" /* CD-ROM DA */ 138 139 #endif /* NAHA > 0 */ 140 141 #include <fd.h> 142 #if NFD > 0 143 extern int fdopen(), fdclose(), fdread(), fdwrite(); 144 extern int fdgetstat(), fdsetstat(), fddevinfo(); 145 #define fdname "fd" 146 #endif /* NFD > 0 */ 147 148 #include <wt.h> 149 #if NWT > 0 150 extern int wtopen(), wtread(), wtwrite(), wtclose(); 151 #define wtname "wt" 152 #endif /* NWT > 0 */ 153 154 #include <pc586.h> 155 #if NPC586 > 0 156 extern int pc586open(), pc586output(), pc586getstat(), pc586setstat(), 157 pc586setinput(); 158 #define pc586name "pc" 159 #endif /* NPC586 > 0 */ 160 161 #include <ns8390.h> 162 #if NNS8390 > 0 163 extern int wd8003open(), eliiopen(); 164 extern int ns8390output(), ns8390getstat(), ns8390setstat(), 165 ns8390setinput(); 166 #define ns8390wdname "wd" 167 #define ns8390elname "el" 168 #endif /* NNS8390 > 0 */ 169 170 #include <at3c501.h> 171 #if NAT3C501 > 0 172 extern int at3c501open(), at3c501output(), 173 at3c501getstat(), at3c501setstat(), 174 at3c501setinput(); 175 #define at3c501name "et" 176 #endif /* NAT3C501 > 0 */ 177 178 #include <par.h> 179 #if NPAR > 0 180 extern int paropen(), paroutput(), pargetstat(), parsetstat(), 181 parsetinput(); 182 #define parname "par" 183 #endif /* NPAR > 0 */ 184 185 #include <de6c.h> 186 #if NDE6C > 0 187 extern int de6copen(), de6coutput(), de6cgetstat(), de6csetstat(), 188 de6csetinput(); 189 #define de6cname "de" 190 #endif /* NDE6C > 0 */ 191 192 extern int kdopen(), kdclose(), kdread(), kdwrite(); 193 extern int kdgetstat(), kdsetstat(), kdportdeath(); 194 extern vm_offset_t kdmmap(); 195 #define kdname "kd" 196 197 #include <com.h> 198 #if NCOM > 0 199 extern int comopen(), comclose(), comread(), comwrite(); 200 extern int comgetstat(), comsetstat(), comportdeath(); 201 #define comname "com" 202 #endif /* NCOM > 0 */ 203 204 #include <lpr.h> 205 #if NLPR > 0 206 extern int lpropen(), lprclose(), lprread(), lprwrite(); 207 extern int lprgetstat(), lprsetstat(), lprportdeath(); 208 #define lprname "lpr" 209 #endif /* NLPR > 0 */ 210 211 #include <blit.h> 212 #if NBLIT > 0 213 extern int blitopen(), blitclose(), blit_get_stat(); 214 extern vm_offset_t blitmmap(); 215 #define blitname "blit" 216 217 extern int mouseinit(), mouseopen(), mouseclose(); 218 extern int mouseioctl(), mouseselect(), mouseread(); 219 #endif 220 221 extern int kbdopen(), kbdclose(), kbdread(); 222 extern int kbdgetstat(), kbdsetstat(); 223 #define kbdname "kbd" 224 225 extern int mouseopen(), mouseclose(), mouseread(); 226 #define mousename "mouse" 227 228 extern int ioplopen(), ioplclose(); 229 extern vm_offset_t ioplmmap(); 230 #define ioplname "iopl" 231 232 #include <mc.h> 233 #if NMC > 0 234 extern int mc_open(), mc_close(), mc_getstat(); 235 extern int mc_setstat(), mc_devinfo(); 236 extern vm_offset_t mc_mmap(); 237 #define mc_name "mc" 238 #endif /* NMC > 0 */ 239 240 #include <clockpit.h> 241 #if NCLOCKPIT > 0 242 extern int clockpitopen(), clockpitclose(), clockpitgetstat(); 243 extern int clockpitsetstat(), clockpitinfo(); 244 extern vm_offset_t clockpitmmap(); 245 #define clockpitname "clockpit" 246 #endif /* NCLOCKPIT > 0 */ 247 248 /* 249 * List of devices - console must be at slot 0 250 */ 251 struct dev_ops dev_name_list[] = 252 { 253 /*name, open, close, read, 254 write, getstat, setstat, mmap, 255 async_in, reset, port_death, subdev, 256 dev_info */ 257 258 { kdname, kdopen, kdclose, kdread, 259 kdwrite, kdgetstat, kdsetstat, kdmmap, 260 nodev, nulldev, kdportdeath, 0, 261 nodev }, 262 263 { timename, timeopen, timeclose, nulldev, 264 nulldev, nulldev, nulldev, timemmap, 265 nodev, nulldev, nulldev, 0, 266 nodev }, 267 268 #if NHD > 0 269 { hdname, hdopen, hdclose, hdread, 270 hdwrite, hdgetstat, hdsetstat, nomap, 271 nodev, nulldev, nulldev, 16, 272 hddevinfo }, 273 #endif NHD > 0 274 275 #if NAHA > 0 276 { rzname, rz_open, rz_close, rz_read, 277 rz_write, rz_get_status, rz_set_status, nomap, 278 nodev, nulldev, nulldev, 8, 279 rz_devinfo }, 280 281 { tzname, rz_open, rz_close, rz_read, 282 rz_write, rz_get_status, rz_set_status, nomap, 283 nodev, nulldev, nulldev, 8, 284 nodev }, 285 286 { cdname, cd_open, cd_close, cd_read, 287 cd_write, nodev, nodev, nomap, 288 nodev, nulldev, nulldev, 8, 289 nodev }, 290 291 { scname, rz_open, rz_close, rz_read, 292 rz_write, rz_get_status, rz_set_status, nomap, 293 nodev, nulldev, nulldev, 8, 294 nodev }, 295 296 #endif /* NAHA > 0 */ 297 298 #if NFD > 0 299 { fdname, fdopen, fdclose, fdread, 300 fdwrite, fdgetstat, fdsetstat, nomap, 301 nodev, nulldev, nulldev, 64, 302 fddevinfo }, 303 #endif NFD > 0 304 305 #if NWT > 0 306 { wtname, wtopen, wtclose, wtread, 307 wtwrite, nulldev, nulldev, nomap, 308 nodev, nulldev, nulldev, 0, 309 nodev }, 310 #endif NWT > 0 311 312 #if NPC586 > 0 313 { pc586name, pc586open, nulldev, nulldev, 314 pc586output, pc586getstat, pc586setstat, nomap, 315 pc586setinput,nulldev, nulldev, 0, 316 nodev }, 317 #endif 318 319 #if NAT3C501 > 0 320 { at3c501name, at3c501open, nulldev, nulldev, 321 at3c501output,at3c501getstat, at3c501setstat, nomap, 322 at3c501setinput, nulldev, nulldev, 0, 323 nodev }, 324 #endif 325 326 #if NNS8390 > 0 327 { ns8390wdname, wd8003open, nulldev, nulldev, 328 ns8390output, ns8390getstat, ns8390setstat, nomap, 329 ns8390setinput, nulldev, nulldev, 0, 330 nodev }, 331 332 { ns8390elname, eliiopen, nulldev, nulldev, 333 ns8390output, ns8390getstat, ns8390setstat, nomap, 334 ns8390setinput, nulldev, nulldev, 0, 335 nodev }, 336 #endif 337 338 #if NPAR > 0 339 { parname, paropen, nulldev, nulldev, 340 paroutput, pargetstat, parsetstat, nomap, 341 parsetinput, nulldev, nulldev, 0, 342 nodev }, 343 #endif 344 345 #if NDE6C > 0 346 { de6cname, de6copen, nulldev, nulldev, 347 de6coutput, de6cgetstat, de6csetstat, nomap, 348 de6csetinput, nulldev, nulldev, 0, 349 nodev }, 350 #endif 351 352 #if NCOM > 0 353 { comname, comopen, comclose, comread, 354 comwrite, comgetstat, comsetstat, nomap, 355 nodev, nulldev, comportdeath, 0, 356 nodev }, 357 #endif 358 359 #if NLPR > 0 360 { lprname, lpropen, lprclose, lprread, 361 lprwrite, lprgetstat, lprsetstat, nomap, 362 nodev, nulldev, lprportdeath, 0, 363 nodev }, 364 #endif 365 366 #if NBLIT > 0 367 { blitname, blitopen, blitclose, nodev, 368 nodev, blit_get_stat, nodev, blitmmap, 369 nodev, nodev, nodev, 0, 370 nodev }, 371 #endif 372 373 { mousename, mouseopen, mouseclose, mouseread, 374 nodev, nulldev, nulldev, nomap, 375 nodev, nulldev, nulldev, 0, 376 nodev }, 377 378 { kbdname, kbdopen, kbdclose, kbdread, 379 nodev, kbdgetstat, kbdsetstat, nomap, 380 nodev, nulldev, nulldev, 0, 381 nodev }, 382 383 { ioplname, ioplopen, ioplclose, nodev, 384 nodev, nodev, nodev, ioplmmap, 385 nodev, nulldev, nulldev, 0, 386 nodev }, 387 388 #if NMC > 0 389 { mc_name, mc_open, mc_close, nodev, 390 nodev, mc_getstat, mc_setstat, mc_mmap, 391 nodev, nulldev, nulldev, 0, 392 mc_devinfo }, 393 #endif 394 395 #if NCLOCKPIT > 0 396 { clockpitname, clockpitopen, clockpitclose, nodev, 397 nodev, clockpitgetstat,clockpitsetstat,clockpitmmap, 398 nodev, nulldev, nulldev, 0, 399 clockpitinfo }, 400 #endif 401 }; 402 int dev_name_count = sizeof(dev_name_list)/sizeof(dev_name_list[0]); 403 404 /* 405 * Indirect list. 406 */ 407 struct dev_indirect dev_indirect_list[] = { 408 409 /* console */ 410 { "console", &dev_name_list[0], 0 }, 411 { "clock_priv", 0, 0 }, 412 { "clock", 0, 0 } 413 }; 414 int dev_indirect_count = sizeof(dev_indirect_list) 415 / sizeof(dev_indirect_list[0]); 416 417 /* 418 * Operations vector for non-privileged clock operations 419 * on system clock. 420 */ 421 struct dev_ops clock_unpriv_ops = 422 { "", nodev, nodev, nodev, 423 nodev, nodev, nodev, nomap, 424 nodev, nodev, nodev, 0, 425 nodev }; 426 427 /* 428 * Set unprivileged clock device from clock device 429 * (system clock). 430 */ 431 void set_clock_unpriv(void) 432 { 433 struct dev_ops *ops; 434 int unit; 435 436 /* 437 * Find the privileged clock vector 438 */ 439 if (!dev_name_lookup("clock_priv", &ops, &unit)) 440 panic("no clock device"); 441 442 /* 443 * Copy the operations vector to the unprivileged ops 444 * vector. 445 */ 446 clock_unpriv_ops = *ops; 447 clock_unpriv_ops.d_setstat = nodev; /* privileged op */ 448 449 /* 450 * Fill in the aliases. 451 */ 452 dev_set_indirection("clock", &clock_unpriv_ops, 0); 453 }
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