1 /* 2 * Copyright 1996 Massachusetts Institute of Technology 3 * 4 * Permission to use, copy, modify, and distribute this software and 5 * its documentation for any purpose and without fee is hereby 6 * granted, provided that both the above copyright notice and this 7 * permission notice appear in all copies, that both the above 8 * copyright notice and this permission notice appear in all 9 * supporting documentation, and that the name of M.I.T. not be used 10 * in advertising or publicity pertaining to distribution of the 11 * software without specific, written prior permission. M.I.T. makes 12 * no representations about the suitability of this software for any 13 * purpose. It is provided "as is" without express or implied 14 * warranty. 15 * 16 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS 17 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, 18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT 20 * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 23 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 26 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef lint 31 static const char rcsid[] = 32 "$FreeBSD$"; 33 #endif /* not lint */ 34 35 #include <sys/types.h> 36 #include <sys/fcntl.h> 37 38 #include <ctype.h> 39 #include <err.h> 40 #include <inttypes.h> 41 #include <stdlib.h> 42 #include <stdio.h> 43 #include <string.h> 44 #include <unistd.h> 45 #include <sys/pciio.h> 46 #include <sys/queue.h> 47 48 #include <dev/pci/pcireg.h> 49 50 #include "pathnames.h" 51 #include "pciconf.h" 52 53 struct pci_device_info 54 { 55 TAILQ_ENTRY(pci_device_info) link; 56 int id; 57 char *desc; 58 }; 59 60 struct pci_vendor_info 61 { 62 TAILQ_ENTRY(pci_vendor_info) link; 63 TAILQ_HEAD(,pci_device_info) devs; 64 int id; 65 char *desc; 66 }; 67 68 TAILQ_HEAD(,pci_vendor_info) pci_vendors; 69 70 static void list_bars(int fd, struct pci_conf *p); 71 static void list_devs(int verbose, int bars, int caps); 72 static void list_verbose(struct pci_conf *p); 73 static const char *guess_class(struct pci_conf *p); 74 static const char *guess_subclass(struct pci_conf *p); 75 static int load_vendors(void); 76 static void readit(const char *, const char *, int); 77 static void writeit(const char *, const char *, const char *, int); 78 static void chkattached(const char *); 79 80 static int exitstatus = 0; 81 82 static void 83 usage(void) 84 { 85 fprintf(stderr, "%s\n%s\n%s\n%s\n", 86 "usage: pciconf -l [-bcv]", 87 " pciconf -a selector", 88 " pciconf -r [-b | -h] selector addr[:addr2]", 89 " pciconf -w [-b | -h] selector addr value"); 90 exit (1); 91 } 92 93 int 94 main(int argc, char **argv) 95 { 96 int c; 97 int listmode, readmode, writemode, attachedmode, bars, caps, verbose; 98 int byte, isshort; 99 100 listmode = readmode = writemode = attachedmode = bars = caps = verbose = byte = isshort = 0; 101 102 while ((c = getopt(argc, argv, "abchlrwv")) != -1) { 103 switch(c) { 104 case 'a': 105 attachedmode = 1; 106 break; 107 108 case 'b': 109 bars = 1; 110 byte = 1; 111 break; 112 113 case 'c': 114 caps = 1; 115 break; 116 117 case 'h': 118 isshort = 1; 119 break; 120 121 case 'l': 122 listmode = 1; 123 break; 124 125 case 'r': 126 readmode = 1; 127 break; 128 129 case 'w': 130 writemode = 1; 131 break; 132 133 case 'v': 134 verbose = 1; 135 break; 136 137 default: 138 usage(); 139 } 140 } 141 142 if ((listmode && optind != argc) 143 || (writemode && optind + 3 != argc) 144 || (readmode && optind + 2 != argc) 145 || (attachedmode && optind + 1 != argc)) 146 usage(); 147 148 if (listmode) { 149 list_devs(verbose, bars, caps); 150 } else if (attachedmode) { 151 chkattached(argv[optind]); 152 } else if (readmode) { 153 readit(argv[optind], argv[optind + 1], 154 byte ? 1 : isshort ? 2 : 4); 155 } else if (writemode) { 156 writeit(argv[optind], argv[optind + 1], argv[optind + 2], 157 byte ? 1 : isshort ? 2 : 4); 158 } else { 159 usage(); 160 } 161 162 return exitstatus; 163 } 164 165 static void 166 list_devs(int verbose, int bars, int caps) 167 { 168 int fd; 169 struct pci_conf_io pc; 170 struct pci_conf conf[255], *p; 171 int none_count = 0; 172 173 if (verbose) 174 load_vendors(); 175 176 fd = open(_PATH_DEVPCI, caps ? O_RDWR : O_RDONLY, 0); 177 if (fd < 0) 178 err(1, "%s", _PATH_DEVPCI); 179 180 bzero(&pc, sizeof(struct pci_conf_io)); 181 pc.match_buf_len = sizeof(conf); 182 pc.matches = conf; 183 184 do { 185 if (ioctl(fd, PCIOCGETCONF, &pc) == -1) 186 err(1, "ioctl(PCIOCGETCONF)"); 187 188 /* 189 * 255 entries should be more than enough for most people, 190 * but if someone has more devices, and then changes things 191 * around between ioctls, we'll do the cheezy thing and 192 * just bail. The alternative would be to go back to the 193 * beginning of the list, and print things twice, which may 194 * not be desireable. 195 */ 196 if (pc.status == PCI_GETCONF_LIST_CHANGED) { 197 warnx("PCI device list changed, please try again"); 198 exitstatus = 1; 199 close(fd); 200 return; 201 } else if (pc.status == PCI_GETCONF_ERROR) { 202 warnx("error returned from PCIOCGETCONF ioctl"); 203 exitstatus = 1; 204 close(fd); 205 return; 206 } 207 for (p = conf; p < &conf[pc.num_matches]; p++) { 208 printf("%s%d@pci%d:%d:%d:%d:\tclass=0x%06x card=0x%08x " 209 "chip=0x%08x rev=0x%02x hdr=0x%02x\n", 210 (p->pd_name && *p->pd_name) ? p->pd_name : 211 "none", 212 (p->pd_name && *p->pd_name) ? (int)p->pd_unit : 213 none_count++, p->pc_sel.pc_domain, 214 p->pc_sel.pc_bus, p->pc_sel.pc_dev, 215 p->pc_sel.pc_func, (p->pc_class << 16) | 216 (p->pc_subclass << 8) | p->pc_progif, 217 (p->pc_subdevice << 16) | p->pc_subvendor, 218 (p->pc_device << 16) | p->pc_vendor, 219 p->pc_revid, p->pc_hdr); 220 if (verbose) 221 list_verbose(p); 222 if (bars) 223 list_bars(fd, p); 224 if (caps) 225 list_caps(fd, p); 226 } 227 } while (pc.status == PCI_GETCONF_MORE_DEVS); 228 229 close(fd); 230 } 231 232 static void 233 list_bars(int fd, struct pci_conf *p) 234 { 235 struct pci_bar_io bar; 236 uint64_t base; 237 const char *type; 238 int i, range, max; 239 240 switch (p->pc_hdr & PCIM_HDRTYPE) { 241 case PCIM_HDRTYPE_NORMAL: 242 max = PCIR_MAX_BAR_0; 243 break; 244 case PCIM_HDRTYPE_BRIDGE: 245 max = PCIR_MAX_BAR_1; 246 break; 247 case PCIM_HDRTYPE_CARDBUS: 248 max = PCIR_MAX_BAR_2; 249 break; 250 default: 251 return; 252 } 253 254 for (i = 0; i <= max; i++) { 255 bar.pbi_sel = p->pc_sel; 256 bar.pbi_reg = PCIR_BAR(i); 257 if (ioctl(fd, PCIOCGETBAR, &bar) < 0) 258 continue; 259 if (PCI_BAR_IO(bar.pbi_base)) { 260 type = "I/O Port"; 261 range = 32; 262 base = bar.pbi_base & PCIM_BAR_IO_BASE; 263 } else { 264 if (bar.pbi_base & PCIM_BAR_MEM_PREFETCH) 265 type = "Prefetchable Memory"; 266 else 267 type = "Memory"; 268 switch (bar.pbi_base & PCIM_BAR_MEM_TYPE) { 269 case PCIM_BAR_MEM_32: 270 range = 32; 271 break; 272 case PCIM_BAR_MEM_1MB: 273 range = 20; 274 break; 275 case PCIM_BAR_MEM_64: 276 range = 64; 277 break; 278 default: 279 range = -1; 280 } 281 base = bar.pbi_base & ~((uint64_t)0xf); 282 } 283 printf(" bar [%02x] = type %s, range %2d, base %#jx, ", 284 PCIR_BAR(i), type, range, (uintmax_t)base); 285 printf("size %2d, %s\n", (int)bar.pbi_length, 286 bar.pbi_enabled ? "enabled" : "disabled"); 287 } 288 } 289 290 static void 291 list_verbose(struct pci_conf *p) 292 { 293 struct pci_vendor_info *vi; 294 struct pci_device_info *di; 295 const char *dp; 296 297 TAILQ_FOREACH(vi, &pci_vendors, link) { 298 if (vi->id == p->pc_vendor) { 299 printf(" vendor = '%s'\n", vi->desc); 300 break; 301 } 302 } 303 if (vi == NULL) { 304 di = NULL; 305 } else { 306 TAILQ_FOREACH(di, &vi->devs, link) { 307 if (di->id == p->pc_device) { 308 printf(" device = '%s'\n", di->desc); 309 break; 310 } 311 } 312 } 313 if ((dp = guess_class(p)) != NULL) 314 printf(" class = %s\n", dp); 315 if ((dp = guess_subclass(p)) != NULL) 316 printf(" subclass = %s\n", dp); 317 } 318 319 /* 320 * This is a direct cut-and-paste from the table in sys/dev/pci/pci.c. 321 */ 322 static struct 323 { 324 int class; 325 int subclass; 326 const char *desc; 327 } pci_nomatch_tab[] = { 328 {PCIC_OLD, -1, "old"}, 329 {PCIC_OLD, PCIS_OLD_NONVGA, "non-VGA display device"}, 330 {PCIC_OLD, PCIS_OLD_VGA, "VGA-compatible display device"}, 331 {PCIC_STORAGE, -1, "mass storage"}, 332 {PCIC_STORAGE, PCIS_STORAGE_SCSI, "SCSI"}, 333 {PCIC_STORAGE, PCIS_STORAGE_IDE, "ATA"}, 334 {PCIC_STORAGE, PCIS_STORAGE_FLOPPY, "floppy disk"}, 335 {PCIC_STORAGE, PCIS_STORAGE_IPI, "IPI"}, 336 {PCIC_STORAGE, PCIS_STORAGE_RAID, "RAID"}, 337 {PCIC_STORAGE, PCIS_STORAGE_ATA_ADMA, "ATA (ADMA)"}, 338 {PCIC_STORAGE, PCIS_STORAGE_SATA, "SATA"}, 339 {PCIC_STORAGE, PCIS_STORAGE_SAS, "SAS"}, 340 {PCIC_NETWORK, -1, "network"}, 341 {PCIC_NETWORK, PCIS_NETWORK_ETHERNET, "ethernet"}, 342 {PCIC_NETWORK, PCIS_NETWORK_TOKENRING, "token ring"}, 343 {PCIC_NETWORK, PCIS_NETWORK_FDDI, "fddi"}, 344 {PCIC_NETWORK, PCIS_NETWORK_ATM, "ATM"}, 345 {PCIC_NETWORK, PCIS_NETWORK_ISDN, "ISDN"}, 346 {PCIC_DISPLAY, -1, "display"}, 347 {PCIC_DISPLAY, PCIS_DISPLAY_VGA, "VGA"}, 348 {PCIC_DISPLAY, PCIS_DISPLAY_XGA, "XGA"}, 349 {PCIC_DISPLAY, PCIS_DISPLAY_3D, "3D"}, 350 {PCIC_MULTIMEDIA, -1, "multimedia"}, 351 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_VIDEO, "video"}, 352 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_AUDIO, "audio"}, 353 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_TELE, "telephony"}, 354 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_HDA, "HDA"}, 355 {PCIC_MEMORY, -1, "memory"}, 356 {PCIC_MEMORY, PCIS_MEMORY_RAM, "RAM"}, 357 {PCIC_MEMORY, PCIS_MEMORY_FLASH, "flash"}, 358 {PCIC_BRIDGE, -1, "bridge"}, 359 {PCIC_BRIDGE, PCIS_BRIDGE_HOST, "HOST-PCI"}, 360 {PCIC_BRIDGE, PCIS_BRIDGE_ISA, "PCI-ISA"}, 361 {PCIC_BRIDGE, PCIS_BRIDGE_EISA, "PCI-EISA"}, 362 {PCIC_BRIDGE, PCIS_BRIDGE_MCA, "PCI-MCA"}, 363 {PCIC_BRIDGE, PCIS_BRIDGE_PCI, "PCI-PCI"}, 364 {PCIC_BRIDGE, PCIS_BRIDGE_PCMCIA, "PCI-PCMCIA"}, 365 {PCIC_BRIDGE, PCIS_BRIDGE_NUBUS, "PCI-NuBus"}, 366 {PCIC_BRIDGE, PCIS_BRIDGE_CARDBUS, "PCI-CardBus"}, 367 {PCIC_BRIDGE, PCIS_BRIDGE_RACEWAY, "PCI-RACEway"}, 368 {PCIC_SIMPLECOMM, -1, "simple comms"}, 369 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_UART, "UART"}, /* could detect 16550 */ 370 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_PAR, "parallel port"}, 371 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_MULSER, "multiport serial"}, 372 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_MODEM, "generic modem"}, 373 {PCIC_BASEPERIPH, -1, "base peripheral"}, 374 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_PIC, "interrupt controller"}, 375 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_DMA, "DMA controller"}, 376 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_TIMER, "timer"}, 377 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_RTC, "realtime clock"}, 378 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_PCIHOT, "PCI hot-plug controller"}, 379 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_SDHC, "SD host controller"}, 380 {PCIC_INPUTDEV, -1, "input device"}, 381 {PCIC_INPUTDEV, PCIS_INPUTDEV_KEYBOARD, "keyboard"}, 382 {PCIC_INPUTDEV, PCIS_INPUTDEV_DIGITIZER,"digitizer"}, 383 {PCIC_INPUTDEV, PCIS_INPUTDEV_MOUSE, "mouse"}, 384 {PCIC_INPUTDEV, PCIS_INPUTDEV_SCANNER, "scanner"}, 385 {PCIC_INPUTDEV, PCIS_INPUTDEV_GAMEPORT, "gameport"}, 386 {PCIC_DOCKING, -1, "docking station"}, 387 {PCIC_PROCESSOR, -1, "processor"}, 388 {PCIC_SERIALBUS, -1, "serial bus"}, 389 {PCIC_SERIALBUS, PCIS_SERIALBUS_FW, "FireWire"}, 390 {PCIC_SERIALBUS, PCIS_SERIALBUS_ACCESS, "AccessBus"}, 391 {PCIC_SERIALBUS, PCIS_SERIALBUS_SSA, "SSA"}, 392 {PCIC_SERIALBUS, PCIS_SERIALBUS_USB, "USB"}, 393 {PCIC_SERIALBUS, PCIS_SERIALBUS_FC, "Fibre Channel"}, 394 {PCIC_SERIALBUS, PCIS_SERIALBUS_SMBUS, "SMBus"}, 395 {PCIC_WIRELESS, -1, "wireless controller"}, 396 {PCIC_WIRELESS, PCIS_WIRELESS_IRDA, "iRDA"}, 397 {PCIC_WIRELESS, PCIS_WIRELESS_IR, "IR"}, 398 {PCIC_WIRELESS, PCIS_WIRELESS_RF, "RF"}, 399 {PCIC_INTELLIIO, -1, "intelligent I/O controller"}, 400 {PCIC_INTELLIIO, PCIS_INTELLIIO_I2O, "I2O"}, 401 {PCIC_SATCOM, -1, "satellite communication"}, 402 {PCIC_SATCOM, PCIS_SATCOM_TV, "sat TV"}, 403 {PCIC_SATCOM, PCIS_SATCOM_AUDIO, "sat audio"}, 404 {PCIC_SATCOM, PCIS_SATCOM_VOICE, "sat voice"}, 405 {PCIC_SATCOM, PCIS_SATCOM_DATA, "sat data"}, 406 {PCIC_CRYPTO, -1, "encrypt/decrypt"}, 407 {PCIC_CRYPTO, PCIS_CRYPTO_NETCOMP, "network/computer crypto"}, 408 {PCIC_CRYPTO, PCIS_CRYPTO_NETCOMP, "entertainment crypto"}, 409 {PCIC_DASP, -1, "dasp"}, 410 {PCIC_DASP, PCIS_DASP_DPIO, "DPIO module"}, 411 {0, 0, NULL} 412 }; 413 414 static const char * 415 guess_class(struct pci_conf *p) 416 { 417 int i; 418 419 for (i = 0; pci_nomatch_tab[i].desc != NULL; i++) { 420 if (pci_nomatch_tab[i].class == p->pc_class) 421 return(pci_nomatch_tab[i].desc); 422 } 423 return(NULL); 424 } 425 426 static const char * 427 guess_subclass(struct pci_conf *p) 428 { 429 int i; 430 431 for (i = 0; pci_nomatch_tab[i].desc != NULL; i++) { 432 if ((pci_nomatch_tab[i].class == p->pc_class) && 433 (pci_nomatch_tab[i].subclass == p->pc_subclass)) 434 return(pci_nomatch_tab[i].desc); 435 } 436 return(NULL); 437 } 438 439 static int 440 load_vendors(void) 441 { 442 const char *dbf; 443 FILE *db; 444 struct pci_vendor_info *cv; 445 struct pci_device_info *cd; 446 char buf[1024], str[1024]; 447 char *ch; 448 int id, error; 449 450 /* 451 * Locate the database and initialise. 452 */ 453 TAILQ_INIT(&pci_vendors); 454 if ((dbf = getenv("PCICONF_VENDOR_DATABASE")) == NULL) 455 dbf = _PATH_PCIVDB; 456 if ((db = fopen(dbf, "r")) == NULL) 457 return(1); 458 cv = NULL; 459 cd = NULL; 460 error = 0; 461 462 /* 463 * Scan input lines from the database 464 */ 465 for (;;) { 466 if (fgets(buf, sizeof(buf), db) == NULL) 467 break; 468 469 if ((ch = strchr(buf, '#')) != NULL) 470 *ch = '\0'; 471 ch = strchr(buf, '\0') - 1; 472 while (ch > buf && isspace(*ch)) 473 *ch-- = '\0'; 474 if (ch <= buf) 475 continue; 476 477 /* Can't handle subvendor / subdevice entries yet */ 478 if (buf[0] == '\t' && buf[1] == '\t') 479 continue; 480 481 /* Check for vendor entry */ 482 if (buf[0] != '\t' && sscanf(buf, "%04x %[^\n]", &id, str) == 2) { 483 if ((id == 0) || (strlen(str) < 1)) 484 continue; 485 if ((cv = malloc(sizeof(struct pci_vendor_info))) == NULL) { 486 warn("allocating vendor entry"); 487 error = 1; 488 break; 489 } 490 if ((cv->desc = strdup(str)) == NULL) { 491 free(cv); 492 warn("allocating vendor description"); 493 error = 1; 494 break; 495 } 496 cv->id = id; 497 TAILQ_INIT(&cv->devs); 498 TAILQ_INSERT_TAIL(&pci_vendors, cv, link); 499 continue; 500 } 501 502 /* Check for device entry */ 503 if (buf[0] == '\t' && sscanf(buf + 1, "%04x %[^\n]", &id, str) == 2) { 504 if ((id == 0) || (strlen(str) < 1)) 505 continue; 506 if (cv == NULL) { 507 warnx("device entry with no vendor!"); 508 continue; 509 } 510 if ((cd = malloc(sizeof(struct pci_device_info))) == NULL) { 511 warn("allocating device entry"); 512 error = 1; 513 break; 514 } 515 if ((cd->desc = strdup(str)) == NULL) { 516 free(cd); 517 warn("allocating device description"); 518 error = 1; 519 break; 520 } 521 cd->id = id; 522 TAILQ_INSERT_TAIL(&cv->devs, cd, link); 523 continue; 524 } 525 526 /* It's a comment or junk, ignore it */ 527 } 528 if (ferror(db)) 529 error = 1; 530 fclose(db); 531 532 return(error); 533 } 534 535 uint32_t 536 read_config(int fd, struct pcisel *sel, long reg, int width) 537 { 538 struct pci_io pi; 539 540 pi.pi_sel = *sel; 541 pi.pi_reg = reg; 542 pi.pi_width = width; 543 544 if (ioctl(fd, PCIOCREAD, &pi) < 0) 545 err(1, "ioctl(PCIOCREAD)"); 546 547 return (pi.pi_data); 548 } 549 550 static struct pcisel 551 getsel(const char *str) 552 { 553 char *ep = strchr(str, '@'); 554 char *epbase; 555 struct pcisel sel; 556 unsigned long selarr[4]; 557 int i; 558 559 if (ep == NULL) 560 ep = (char *)str; 561 else 562 ep++; 563 564 epbase = ep; 565 566 if (strncmp(ep, "pci", 3) == 0) { 567 ep += 3; 568 i = 0; 569 do { 570 selarr[i++] = strtoul(ep, &ep, 10); 571 } while ((*ep == ':' || *ep == '.') && *++ep != '\0' && i < 4); 572 573 if (i > 2) 574 sel.pc_func = selarr[--i]; 575 else 576 sel.pc_func = 0; 577 sel.pc_dev = selarr[--i]; 578 sel.pc_bus = selarr[--i]; 579 if (i > 0) 580 sel.pc_domain = selarr[--i]; 581 else 582 sel.pc_domain = 0; 583 } 584 if (*ep != '\x0' || ep == epbase) 585 errx(1, "cannot parse selector %s", str); 586 return sel; 587 } 588 589 static void 590 readone(int fd, struct pcisel *sel, long reg, int width) 591 { 592 593 printf("%0*x", width*2, read_config(fd, sel, reg, width)); 594 } 595 596 static void 597 readit(const char *name, const char *reg, int width) 598 { 599 long rstart; 600 long rend; 601 long r; 602 char *end; 603 int i; 604 int fd; 605 struct pcisel sel; 606 607 fd = open(_PATH_DEVPCI, O_RDWR, 0); 608 if (fd < 0) 609 err(1, "%s", _PATH_DEVPCI); 610 611 rend = rstart = strtol(reg, &end, 0); 612 if (end && *end == ':') { 613 end++; 614 rend = strtol(end, (char **) 0, 0); 615 } 616 sel = getsel(name); 617 for (i = 1, r = rstart; r <= rend; i++, r += width) { 618 readone(fd, &sel, r, width); 619 if (i && !(i % 8)) 620 putchar(' '); 621 putchar(i % (16/width) ? ' ' : '\n'); 622 } 623 if (i % (16/width) != 1) 624 putchar('\n'); 625 close(fd); 626 } 627 628 static void 629 writeit(const char *name, const char *reg, const char *data, int width) 630 { 631 int fd; 632 struct pci_io pi; 633 634 pi.pi_sel = getsel(name); 635 pi.pi_reg = strtoul(reg, (char **)0, 0); /* XXX error check */ 636 pi.pi_width = width; 637 pi.pi_data = strtoul(data, (char **)0, 0); /* XXX error check */ 638 639 fd = open(_PATH_DEVPCI, O_RDWR, 0); 640 if (fd < 0) 641 err(1, "%s", _PATH_DEVPCI); 642 643 if (ioctl(fd, PCIOCWRITE, &pi) < 0) 644 err(1, "ioctl(PCIOCWRITE)"); 645 } 646 647 static void 648 chkattached(const char *name) 649 { 650 int fd; 651 struct pci_io pi; 652 653 pi.pi_sel = getsel(name); 654 655 fd = open(_PATH_DEVPCI, O_RDWR, 0); 656 if (fd < 0) 657 err(1, "%s", _PATH_DEVPCI); 658 659 if (ioctl(fd, PCIOCATTACHED, &pi) < 0) 660 err(1, "ioctl(PCIOCATTACHED)"); 661 662 exitstatus = pi.pi_data ? 0 : 2; /* exit(2), if NOT attached */ 663 printf("%s: %s%s\n", name, pi.pi_data == 0 ? "not " : "", "attached"); 664 } 665