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 * $FreeBSD: src/usr.sbin/pciconf/pciconf.c,v 1.30.2.3.2.1 2009/04/15 03:14:26 kensmith Exp $ 30 */ 31 32 #include <sys/types.h> 33 #include <sys/fcntl.h> 34 35 #include <ctype.h> 36 #include <err.h> 37 #include <stdlib.h> 38 #include <stdio.h> 39 #include <string.h> 40 #include <unistd.h> 41 #include <sys/pciio.h> 42 #include <sys/queue.h> 43 44 #include <bus/pci/pcireg.h> 45 46 #include "pathnames.h" 47 #include "pciconf.h" 48 49 struct pci_device_info 50 { 51 TAILQ_ENTRY(pci_device_info) link; 52 int id; 53 char *desc; 54 }; 55 56 struct pci_vendor_info 57 { 58 TAILQ_ENTRY(pci_vendor_info) link; 59 TAILQ_HEAD(,pci_device_info) devs; 60 int id; 61 char *desc; 62 }; 63 64 TAILQ_HEAD(,pci_vendor_info) pci_vendors; 65 66 static void list_bars(int fd, struct pci_conf *p); 67 static void list_devs(int verbose, int bars, int caps); 68 static void list_verbose(struct pci_conf *p); 69 static const char *guess_class(struct pci_conf *p); 70 static const char *guess_subclass(struct pci_conf *p); 71 static int load_vendors(void); 72 static void readit(const char *, const char *, int); 73 static void writeit(const char *, const char *, const char *, int); 74 static void chkattached(const char *); 75 76 static int exitstatus = 0; 77 78 static void 79 usage(void) 80 { 81 fprintf(stderr, "%s\n%s\n%s\n%s\n", 82 "usage: pciconf -l [-bcv]", 83 " pciconf -a selector", 84 " pciconf -r [-b | -h] selector addr[:addr2]", 85 " pciconf -w [-b | -h] selector addr value"); 86 exit (1); 87 } 88 89 int 90 main(int argc, char **argv) 91 { 92 int c; 93 int listmode, readmode, writemode, attachedmode, bars, caps, verbose; 94 int byte, isshort; 95 96 listmode = readmode = writemode = attachedmode = bars = caps = verbose = byte = isshort = 0; 97 98 while ((c = getopt(argc, argv, "abchlrwv")) != -1) { 99 switch(c) { 100 case 'a': 101 attachedmode = 1; 102 break; 103 104 case 'b': 105 bars = 1; 106 byte = 1; 107 break; 108 109 case 'c': 110 caps = 1; 111 break; 112 113 case 'h': 114 isshort = 1; 115 break; 116 117 case 'l': 118 listmode = 1; 119 break; 120 121 case 'r': 122 readmode = 1; 123 break; 124 125 case 'w': 126 writemode = 1; 127 break; 128 129 case 'v': 130 verbose = 1; 131 break; 132 133 default: 134 usage(); 135 } 136 } 137 138 if ((listmode && optind != argc) 139 || (writemode && optind + 3 != argc) 140 || (readmode && optind + 2 != argc) 141 || (attachedmode && optind + 1 != argc)) 142 usage(); 143 144 if (listmode) { 145 list_devs(verbose, bars, caps); 146 } else if (attachedmode) { 147 chkattached(argv[optind]); 148 } else if (readmode) { 149 readit(argv[optind], argv[optind + 1], 150 byte ? 1 : isshort ? 2 : 4); 151 } else if (writemode) { 152 writeit(argv[optind], argv[optind + 1], argv[optind + 2], 153 byte ? 1 : isshort ? 2 : 4); 154 } else { 155 usage(); 156 } 157 158 return exitstatus; 159 } 160 161 static void 162 list_devs(int verbose, int bars, int caps) 163 { 164 int fd; 165 struct pci_conf_io pc; 166 struct pci_conf conf[255], *p; 167 int none_count = 0; 168 169 if (verbose) 170 load_vendors(); 171 172 fd = open(_PATH_DEVPCI, caps ? O_RDWR : O_RDONLY, 0); 173 if (fd < 0) 174 err(1, "%s", _PATH_DEVPCI); 175 176 bzero(&pc, sizeof(struct pci_conf_io)); 177 pc.match_buf_len = sizeof(conf); 178 pc.matches = conf; 179 180 do { 181 if (ioctl(fd, PCIOCGETCONF, &pc) == -1) 182 err(1, "ioctl(PCIOCGETCONF)"); 183 184 /* 185 * 255 entries should be more than enough for most people, 186 * but if someone has more devices, and then changes things 187 * around between ioctls, we'll do the cheesy thing and 188 * just bail. The alternative would be to go back to the 189 * beginning of the list, and print things twice, which may 190 * not be desirable. 191 */ 192 if (pc.status == PCI_GETCONF_LIST_CHANGED) { 193 warnx("PCI device list changed, please try again"); 194 exitstatus = 1; 195 close(fd); 196 return; 197 } else if (pc.status == PCI_GETCONF_ERROR) { 198 warnx("error returned from PCIOCGETCONF ioctl"); 199 exitstatus = 1; 200 close(fd); 201 return; 202 } 203 for (p = conf; p < &conf[pc.num_matches]; p++) { 204 printf("%s%d@pci%d:%d:%d:%d:\tclass=0x%06x card=0x%08x " 205 "chip=0x%08x rev=0x%02x hdr=0x%02x\n", 206 (p->pd_name && *p->pd_name) ? p->pd_name : 207 "none", 208 (p->pd_name && *p->pd_name) ? (int)p->pd_unit : 209 none_count++, p->pc_sel.pc_domain, 210 p->pc_sel.pc_bus, p->pc_sel.pc_dev, 211 p->pc_sel.pc_func, (p->pc_class << 16) | 212 (p->pc_subclass << 8) | p->pc_progif, 213 (p->pc_subdevice << 16) | p->pc_subvendor, 214 (p->pc_device << 16) | p->pc_vendor, 215 p->pc_revid, p->pc_hdr); 216 if (verbose) 217 list_verbose(p); 218 if (bars) 219 list_bars(fd, p); 220 if (caps) 221 list_caps(fd, p); 222 } 223 } while (pc.status == PCI_GETCONF_MORE_DEVS); 224 225 close(fd); 226 } 227 228 static void 229 list_bars(int fd, struct pci_conf *p) 230 { 231 struct pci_bar_io bar; 232 uint64_t base; 233 const char *type; 234 int i, range, max; 235 236 switch (p->pc_hdr & PCIM_HDRTYPE) { 237 case PCIM_HDRTYPE_NORMAL: 238 max = PCIR_MAX_BAR_0; 239 break; 240 case PCIM_HDRTYPE_BRIDGE: 241 max = PCIR_MAX_BAR_1; 242 break; 243 case PCIM_HDRTYPE_CARDBUS: 244 max = PCIR_MAX_BAR_2; 245 break; 246 default: 247 return; 248 } 249 250 for (i = 0; i <= max; i++) { 251 bar.pbi_sel = p->pc_sel; 252 bar.pbi_reg = PCIR_BAR(i); 253 if (ioctl(fd, PCIOCGETBAR, &bar) < 0) 254 continue; 255 if (PCI_BAR_IO(bar.pbi_base)) { 256 type = "I/O Port"; 257 range = 32; 258 base = bar.pbi_base & PCIM_BAR_IO_BASE; 259 } else { 260 if (bar.pbi_base & PCIM_BAR_MEM_PREFETCH) 261 type = "Prefetchable Memory"; 262 else 263 type = "Memory"; 264 switch (bar.pbi_base & PCIM_BAR_MEM_TYPE) { 265 case PCIM_BAR_MEM_32: 266 range = 32; 267 break; 268 case PCIM_BAR_MEM_1MB: 269 range = 20; 270 break; 271 case PCIM_BAR_MEM_64: 272 range = 64; 273 break; 274 default: 275 range = -1; 276 } 277 base = bar.pbi_base & ~((uint64_t)0xf); 278 } 279 printf(" bar [%02x] = type %s, range %2d, base %#jx, ", 280 PCIR_BAR(i), type, range, (uintmax_t)base); 281 printf("size %2d, %s\n", (int)bar.pbi_length, 282 bar.pbi_enabled ? "enabled" : "disabled"); 283 } 284 } 285 286 static void 287 list_verbose(struct pci_conf *p) 288 { 289 struct pci_vendor_info *vi; 290 struct pci_device_info *di; 291 const char *dp; 292 293 TAILQ_FOREACH(vi, &pci_vendors, link) { 294 if (vi->id == p->pc_vendor) { 295 printf(" vendor = '%s'\n", vi->desc); 296 break; 297 } 298 } 299 if (vi == NULL) { 300 di = NULL; 301 } else { 302 TAILQ_FOREACH(di, &vi->devs, link) { 303 if (di->id == p->pc_device) { 304 printf(" device = '%s'\n", di->desc); 305 break; 306 } 307 } 308 } 309 if ((dp = guess_class(p)) != NULL) 310 printf(" class = %s\n", dp); 311 if ((dp = guess_subclass(p)) != NULL) 312 printf(" subclass = %s\n", dp); 313 } 314 315 /* 316 * This is a direct cut-and-paste from the table in sys/bus/pci/pcireg.h. 317 */ 318 static struct 319 { 320 int class; 321 int subclass; 322 const char *desc; 323 } pci_nomatch_tab[] = { 324 {PCIC_OLD, -1, "old"}, 325 {PCIC_OLD, PCIS_OLD_NONVGA, "non-VGA display device"}, 326 {PCIC_OLD, PCIS_OLD_VGA, "VGA-compatible display device"}, 327 {PCIC_STORAGE, -1, "mass storage"}, 328 {PCIC_STORAGE, PCIS_STORAGE_SCSI, "SCSI"}, 329 {PCIC_STORAGE, PCIS_STORAGE_IDE, "ATA"}, 330 {PCIC_STORAGE, PCIS_STORAGE_FLOPPY, "floppy disk"}, 331 {PCIC_STORAGE, PCIS_STORAGE_IPI, "IPI"}, 332 {PCIC_STORAGE, PCIS_STORAGE_RAID, "RAID"}, 333 {PCIC_STORAGE, PCIS_STORAGE_ATA_ADMA, "ATA (ADMA)"}, 334 {PCIC_STORAGE, PCIS_STORAGE_SATA, "SATA"}, 335 {PCIC_STORAGE, PCIS_STORAGE_SAS, "SAS"}, 336 {PCIC_NETWORK, -1, "network"}, 337 {PCIC_NETWORK, PCIS_NETWORK_ETHERNET, "ethernet"}, 338 {PCIC_NETWORK, PCIS_NETWORK_TOKENRING, "token ring"}, 339 {PCIC_NETWORK, PCIS_NETWORK_FDDI, "fddi"}, 340 {PCIC_NETWORK, PCIS_NETWORK_ATM, "ATM"}, 341 {PCIC_NETWORK, PCIS_NETWORK_ISDN, "ISDN"}, 342 {PCIC_DISPLAY, -1, "display"}, 343 {PCIC_DISPLAY, PCIS_DISPLAY_VGA, "VGA"}, 344 {PCIC_DISPLAY, PCIS_DISPLAY_XGA, "XGA"}, 345 {PCIC_DISPLAY, PCIS_DISPLAY_3D, "3D"}, 346 {PCIC_MULTIMEDIA, -1, "multimedia"}, 347 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_VIDEO, "video"}, 348 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_AUDIO, "audio"}, 349 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_TELE, "telephony"}, 350 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_HDA, "HDA"}, 351 {PCIC_MEMORY, -1, "memory"}, 352 {PCIC_MEMORY, PCIS_MEMORY_RAM, "RAM"}, 353 {PCIC_MEMORY, PCIS_MEMORY_FLASH, "flash"}, 354 {PCIC_BRIDGE, -1, "bridge"}, 355 {PCIC_BRIDGE, PCIS_BRIDGE_HOST, "HOST-PCI"}, 356 {PCIC_BRIDGE, PCIS_BRIDGE_ISA, "PCI-ISA"}, 357 {PCIC_BRIDGE, PCIS_BRIDGE_EISA, "PCI-EISA"}, 358 {PCIC_BRIDGE, PCIS_BRIDGE_MCA, "PCI-MCA"}, 359 {PCIC_BRIDGE, PCIS_BRIDGE_PCI, "PCI-PCI"}, 360 {PCIC_BRIDGE, PCIS_BRIDGE_PCMCIA, "PCI-PCMCIA"}, 361 {PCIC_BRIDGE, PCIS_BRIDGE_NUBUS, "PCI-NuBus"}, 362 {PCIC_BRIDGE, PCIS_BRIDGE_CARDBUS, "PCI-CardBus"}, 363 {PCIC_BRIDGE, PCIS_BRIDGE_RACEWAY, "PCI-RACEway"}, 364 {PCIC_SIMPLECOMM, -1, "simple comms"}, 365 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_UART, "UART"}, /* could detect 16550 */ 366 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_PAR, "parallel port"}, 367 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_MULSER, "multiport serial"}, 368 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_MODEM, "generic modem"}, 369 {PCIC_BASEPERIPH, -1, "base peripheral"}, 370 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_PIC, "interrupt controller"}, 371 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_DMA, "DMA controller"}, 372 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_TIMER, "timer"}, 373 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_RTC, "realtime clock"}, 374 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_PCIHOT, "PCI hot-plug controller"}, 375 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_SDHC, "SD host controller"}, 376 {PCIC_INPUTDEV, -1, "input device"}, 377 {PCIC_INPUTDEV, PCIS_INPUTDEV_KEYBOARD, "keyboard"}, 378 {PCIC_INPUTDEV, PCIS_INPUTDEV_DIGITIZER,"digitizer"}, 379 {PCIC_INPUTDEV, PCIS_INPUTDEV_MOUSE, "mouse"}, 380 {PCIC_INPUTDEV, PCIS_INPUTDEV_SCANNER, "scanner"}, 381 {PCIC_INPUTDEV, PCIS_INPUTDEV_GAMEPORT, "gameport"}, 382 {PCIC_DOCKING, -1, "docking station"}, 383 {PCIC_PROCESSOR, -1, "processor"}, 384 {PCIC_SERIALBUS, -1, "serial bus"}, 385 {PCIC_SERIALBUS, PCIS_SERIALBUS_FW, "FireWire"}, 386 {PCIC_SERIALBUS, PCIS_SERIALBUS_ACCESS, "AccessBus"}, 387 {PCIC_SERIALBUS, PCIS_SERIALBUS_SSA, "SSA"}, 388 {PCIC_SERIALBUS, PCIS_SERIALBUS_USB, "USB"}, 389 {PCIC_SERIALBUS, PCIS_SERIALBUS_FC, "Fibre Channel"}, 390 {PCIC_SERIALBUS, PCIS_SERIALBUS_SMBUS, "SMBus"}, 391 {PCIC_WIRELESS, -1, "wireless controller"}, 392 {PCIC_WIRELESS, PCIS_WIRELESS_IRDA, "iRDA"}, 393 {PCIC_WIRELESS, PCIS_WIRELESS_IR, "IR"}, 394 {PCIC_WIRELESS, PCIS_WIRELESS_RF, "RF"}, 395 {PCIC_INTELLIIO, -1, "intelligent I/O controller"}, 396 {PCIC_INTELLIIO, PCIS_INTELLIIO_I2O, "I2O"}, 397 {PCIC_SATCOM, -1, "satellite communication"}, 398 {PCIC_SATCOM, PCIS_SATCOM_TV, "sat TV"}, 399 {PCIC_SATCOM, PCIS_SATCOM_AUDIO, "sat audio"}, 400 {PCIC_SATCOM, PCIS_SATCOM_VOICE, "sat voice"}, 401 {PCIC_SATCOM, PCIS_SATCOM_DATA, "sat data"}, 402 {PCIC_CRYPTO, -1, "encrypt/decrypt"}, 403 {PCIC_CRYPTO, PCIS_CRYPTO_NETCOMP, "network/computer crypto"}, 404 {PCIC_CRYPTO, PCIS_CRYPTO_NETCOMP, "entertainment crypto"}, 405 {PCIC_DASP, -1, "dasp"}, 406 {PCIC_DASP, PCIS_DASP_DPIO, "DPIO module"}, 407 {0, 0, NULL} 408 }; 409 410 static const char * 411 guess_class(struct pci_conf *p) 412 { 413 int i; 414 415 for (i = 0; pci_nomatch_tab[i].desc != NULL; i++) { 416 if (pci_nomatch_tab[i].class == p->pc_class) 417 return(pci_nomatch_tab[i].desc); 418 } 419 return(NULL); 420 } 421 422 static const char * 423 guess_subclass(struct pci_conf *p) 424 { 425 int i; 426 427 for (i = 0; pci_nomatch_tab[i].desc != NULL; i++) { 428 if ((pci_nomatch_tab[i].class == p->pc_class) && 429 (pci_nomatch_tab[i].subclass == p->pc_subclass)) 430 return(pci_nomatch_tab[i].desc); 431 } 432 return(NULL); 433 } 434 435 static int 436 load_vendors(void) 437 { 438 const char *dbf; 439 FILE *db; 440 struct pci_vendor_info *cv; 441 struct pci_device_info *cd; 442 char buf[1024], str[1024]; 443 char *ch; 444 int id, error; 445 446 /* 447 * Locate the database and initialise. 448 */ 449 TAILQ_INIT(&pci_vendors); 450 if ((dbf = getenv("PCICONF_VENDOR_DATABASE")) == NULL) 451 dbf = _PATH_PCIVDB; 452 if ((db = fopen(dbf, "r")) == NULL) 453 return(1); 454 cv = NULL; 455 cd = NULL; 456 error = 0; 457 458 /* 459 * Scan input lines from the database 460 */ 461 for (;;) { 462 if (fgets(buf, sizeof(buf), db) == NULL) 463 break; 464 465 if ((ch = strchr(buf, '#')) != NULL) 466 *ch = '\0'; 467 ch = strchr(buf, '\0') - 1; 468 while (ch > buf && isspace(*ch)) 469 *ch-- = '\0'; 470 if (ch <= buf) 471 continue; 472 473 /* Can't handle subvendor / subdevice entries yet */ 474 if (buf[0] == '\t' && buf[1] == '\t') 475 continue; 476 477 /* Check for vendor entry */ 478 if (buf[0] != '\t' && sscanf(buf, "%04x %[^\n]", &id, str) == 2) { 479 if ((id == 0) || (strlen(str) < 1)) 480 continue; 481 if ((cv = malloc(sizeof(struct pci_vendor_info))) == NULL) { 482 warn("allocating vendor entry"); 483 error = 1; 484 break; 485 } 486 if ((cv->desc = strdup(str)) == NULL) { 487 free(cv); 488 warn("allocating vendor description"); 489 error = 1; 490 break; 491 } 492 cv->id = id; 493 TAILQ_INIT(&cv->devs); 494 TAILQ_INSERT_TAIL(&pci_vendors, cv, link); 495 continue; 496 } 497 498 /* Check for device entry */ 499 if (buf[0] == '\t' && sscanf(buf + 1, "%04x %[^\n]", &id, str) == 2) { 500 if ((id == 0) || (strlen(str) < 1)) 501 continue; 502 if (cv == NULL) { 503 warnx("device entry with no vendor!"); 504 continue; 505 } 506 if ((cd = malloc(sizeof(struct pci_device_info))) == NULL) { 507 warn("allocating device entry"); 508 error = 1; 509 break; 510 } 511 if ((cd->desc = strdup(str)) == NULL) { 512 free(cd); 513 warn("allocating device description"); 514 error = 1; 515 break; 516 } 517 cd->id = id; 518 TAILQ_INSERT_TAIL(&cv->devs, cd, link); 519 continue; 520 } 521 522 /* It's a comment or junk, ignore it */ 523 } 524 if (ferror(db)) 525 error = 1; 526 fclose(db); 527 528 return(error); 529 } 530 531 uint32_t 532 read_config(int fd, struct pcisel *sel, long reg, int width) 533 { 534 struct pci_io pi; 535 536 pi.pi_sel = *sel; 537 pi.pi_reg = reg; 538 pi.pi_width = width; 539 540 if (ioctl(fd, PCIOCREAD, &pi) < 0) 541 err(1, "ioctl(PCIOCREAD)"); 542 543 return (pi.pi_data); 544 } 545 546 static struct pcisel 547 getsel(const char *str) 548 { 549 char *ep = strchr(str, '@'); 550 char *epbase; 551 struct pcisel sel = {0,0,0,0}; 552 unsigned long selarr[4]; 553 int i; 554 555 if (ep == NULL) 556 ep = __DECONST(char *, str); 557 else 558 ep++; 559 560 epbase = ep; 561 562 if (strncmp(ep, "pci", 3) == 0) { 563 ep += 3; 564 i = 0; 565 do { 566 selarr[i++] = strtoul(ep, &ep, 10); 567 } while ((*ep == ':' || *ep == '.') && *++ep != '\0' && i < 4); 568 569 if (i > 2) 570 sel.pc_func = selarr[--i]; 571 else 572 sel.pc_func = 0; 573 sel.pc_dev = selarr[--i]; 574 sel.pc_bus = selarr[--i]; 575 if (i > 0) 576 sel.pc_domain = selarr[--i]; 577 else 578 sel.pc_domain = 0; 579 } 580 if (*ep != '\x0' || ep == epbase) 581 errx(1, "cannot parse selector %s", str); 582 return sel; 583 } 584 585 static void 586 readone(int fd, struct pcisel *sel, long reg, int width) 587 { 588 589 printf("%0*x", width*2, read_config(fd, sel, reg, width)); 590 } 591 592 static void 593 readit(const char *name, const char *reg, int width) 594 { 595 long rstart; 596 long rend; 597 long r; 598 char *end; 599 int i; 600 int fd; 601 struct pcisel sel; 602 603 fd = open(_PATH_DEVPCI, O_RDWR, 0); 604 if (fd < 0) 605 err(1, "%s", _PATH_DEVPCI); 606 607 rend = rstart = strtol(reg, &end, 0); 608 if (end && *end == ':') { 609 end++; 610 rend = strtol(end, (char **) 0, 0); 611 } 612 sel = getsel(name); 613 for (i = 1, r = rstart; r <= rend; i++, r += width) { 614 readone(fd, &sel, r, width); 615 if (i && !(i % 8)) 616 putchar(' '); 617 putchar(i % (16/width) ? ' ' : '\n'); 618 } 619 if (i % (16/width) != 1) 620 putchar('\n'); 621 close(fd); 622 } 623 624 static void 625 writeit(const char *name, const char *reg, const char *data, int width) 626 { 627 int fd; 628 struct pci_io pi; 629 630 pi.pi_sel = getsel(name); 631 pi.pi_reg = strtoul(reg, (char **)0, 0); /* XXX error check */ 632 pi.pi_width = width; 633 pi.pi_data = strtoul(data, (char **)0, 0); /* XXX error check */ 634 635 fd = open(_PATH_DEVPCI, O_RDWR, 0); 636 if (fd < 0) 637 err(1, "%s", _PATH_DEVPCI); 638 639 if (ioctl(fd, PCIOCWRITE, &pi) < 0) 640 err(1, "ioctl(PCIOCWRITE)"); 641 } 642 643 static void 644 chkattached(const char *name) 645 { 646 int fd; 647 struct pci_io pi; 648 649 pi.pi_sel = getsel(name); 650 651 fd = open(_PATH_DEVPCI, O_RDWR, 0); 652 if (fd < 0) 653 err(1, "%s", _PATH_DEVPCI); 654 655 if (ioctl(fd, PCIOCATTACHED, &pi) < 0) 656 err(1, "ioctl(PCIOCATTACHED)"); 657 658 exitstatus = pi.pi_data ? 0 : 2; /* exit(2), if NOT attached */ 659 printf("%s: %s%s\n", name, pi.pi_data == 0 ? "not " : "", "attached"); 660 } 661