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 31static 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 53struct pci_device_info 54{ 55 TAILQ_ENTRY(pci_device_info) link; 56 int id; 57 char *desc; 58}; 59 60struct 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 68TAILQ_HEAD(,pci_vendor_info) pci_vendors; 69 70static void list_bars(int fd, struct pci_conf *p); 71static void list_devs(int verbose, int bars, int caps, int errors); 72static void list_verbose(struct pci_conf *p); 73static const char *guess_class(struct pci_conf *p); 74static const char *guess_subclass(struct pci_conf *p); 75static int load_vendors(void); 76static void readit(const char *, const char *, int); 77static void writeit(const char *, const char *, const char *, int); 78static void chkattached(const char *); 79 80static int exitstatus = 0; 81 82static void 83usage(void) 84{ 85 fprintf(stderr, "%s\n%s\n%s\n%s\n", 86 "usage: pciconf -l [-bcev]", 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 93int 94main(int argc, char **argv) 95{ 96 int c; 97 int listmode, readmode, writemode, attachedmode; 98 int bars, caps, errors, verbose; 99 int byte, isshort; 100 101 listmode = readmode = writemode = attachedmode = 0; 102 bars = caps = errors = verbose = byte = isshort = 0; 103 104 while ((c = getopt(argc, argv, "abcehlrwv")) != -1) { 105 switch(c) { 106 case 'a': 107 attachedmode = 1; 108 break; 109 110 case 'b': 111 bars = 1; 112 byte = 1; 113 break; 114 115 case 'c': 116 caps = 1; 117 break; 118 119 case 'e': 120 errors = 1; 121 break; 122 123 case 'h': 124 isshort = 1; 125 break; 126 127 case 'l': 128 listmode = 1; 129 break; 130 131 case 'r': 132 readmode = 1; 133 break; 134 135 case 'w': 136 writemode = 1; 137 break; 138 139 case 'v': 140 verbose = 1; 141 break; 142 143 default: 144 usage(); 145 } 146 } 147 148 if ((listmode && optind != argc) 149 || (writemode && optind + 3 != argc) 150 || (readmode && optind + 2 != argc) 151 || (attachedmode && optind + 1 != argc)) 152 usage(); 153 154 if (listmode) { 155 list_devs(verbose, bars, caps, errors); 156 } else if (attachedmode) { 157 chkattached(argv[optind]); 158 } else if (readmode) { 159 readit(argv[optind], argv[optind + 1], 160 byte ? 1 : isshort ? 2 : 4); 161 } else if (writemode) { 162 writeit(argv[optind], argv[optind + 1], argv[optind + 2], 163 byte ? 1 : isshort ? 2 : 4); 164 } else { 165 usage(); 166 } 167 168 return exitstatus; 169} 170 171static void 172list_devs(int verbose, int bars, int caps, int errors) 173{ 174 int fd; 175 struct pci_conf_io pc; 176 struct pci_conf conf[255], *p; 177 int none_count = 0; 178 179 if (verbose) 180 load_vendors(); 181 182 fd = open(_PATH_DEVPCI, (caps || errors) ? O_RDWR : O_RDONLY, 0); 183 if (fd < 0) 184 err(1, "%s", _PATH_DEVPCI); 185 186 bzero(&pc, sizeof(struct pci_conf_io)); 187 pc.match_buf_len = sizeof(conf); 188 pc.matches = conf; 189 190 do { 191 if (ioctl(fd, PCIOCGETCONF, &pc) == -1) 192 err(1, "ioctl(PCIOCGETCONF)"); 193 194 /* 195 * 255 entries should be more than enough for most people, 196 * but if someone has more devices, and then changes things 197 * around between ioctls, we'll do the cheesy thing and 198 * just bail. The alternative would be to go back to the 199 * beginning of the list, and print things twice, which may 200 * not be desirable. 201 */ 202 if (pc.status == PCI_GETCONF_LIST_CHANGED) { 203 warnx("PCI device list changed, please try again"); 204 exitstatus = 1; 205 close(fd); 206 return; 207 } else if (pc.status == PCI_GETCONF_ERROR) { 208 warnx("error returned from PCIOCGETCONF ioctl"); 209 exitstatus = 1; 210 close(fd); 211 return; 212 } 213 for (p = conf; p < &conf[pc.num_matches]; p++) { 214 printf("%s%d@pci%d:%d:%d:%d:\tclass=0x%06x card=0x%08x " 215 "chip=0x%08x rev=0x%02x hdr=0x%02x\n", 216 (p->pd_name && *p->pd_name) ? p->pd_name : 217 "none", 218 (p->pd_name && *p->pd_name) ? (int)p->pd_unit : 219 none_count++, p->pc_sel.pc_domain, 220 p->pc_sel.pc_bus, p->pc_sel.pc_dev, 221 p->pc_sel.pc_func, (p->pc_class << 16) | 222 (p->pc_subclass << 8) | p->pc_progif, 223 (p->pc_subdevice << 16) | p->pc_subvendor, 224 (p->pc_device << 16) | p->pc_vendor, 225 p->pc_revid, p->pc_hdr); 226 if (verbose) 227 list_verbose(p); 228 if (bars) 229 list_bars(fd, p); 230 if (caps) 231 list_caps(fd, p); 232 if (errors) 233 list_errors(fd, p); 234 } 235 } while (pc.status == PCI_GETCONF_MORE_DEVS); 236 237 close(fd); 238} 239 240static void 241list_bars(int fd, struct pci_conf *p) 242{ 243 struct pci_bar_io bar; 244 uint64_t base; 245 const char *type; 246 int i, range, max; 247 248 switch (p->pc_hdr & PCIM_HDRTYPE) { 249 case PCIM_HDRTYPE_NORMAL: 250 max = PCIR_MAX_BAR_0; 251 break; 252 case PCIM_HDRTYPE_BRIDGE: 253 max = PCIR_MAX_BAR_1; 254 break; 255 case PCIM_HDRTYPE_CARDBUS: 256 max = PCIR_MAX_BAR_2; 257 break; 258 default: 259 return; 260 } 261 262 for (i = 0; i <= max; i++) { 263 bar.pbi_sel = p->pc_sel; 264 bar.pbi_reg = PCIR_BAR(i); 265 if (ioctl(fd, PCIOCGETBAR, &bar) < 0) 266 continue; 267 if (PCI_BAR_IO(bar.pbi_base)) { 268 type = "I/O Port"; 269 range = 32; 270 base = bar.pbi_base & PCIM_BAR_IO_BASE; 271 } else { 272 if (bar.pbi_base & PCIM_BAR_MEM_PREFETCH) 273 type = "Prefetchable Memory"; 274 else 275 type = "Memory"; 276 switch (bar.pbi_base & PCIM_BAR_MEM_TYPE) { 277 case PCIM_BAR_MEM_32: 278 range = 32; 279 break; 280 case PCIM_BAR_MEM_1MB: 281 range = 20; 282 break; 283 case PCIM_BAR_MEM_64: 284 range = 64; 285 break; 286 default: 287 range = -1; 288 } 289 base = bar.pbi_base & ~((uint64_t)0xf); 290 } 291 printf(" bar [%02x] = type %s, range %2d, base %#jx, ", 292 PCIR_BAR(i), type, range, (uintmax_t)base); 293 printf("size %ju, %s\n", (uintmax_t)bar.pbi_length, 294 bar.pbi_enabled ? "enabled" : "disabled"); 295 } 296} 297 298static void 299list_verbose(struct pci_conf *p) 300{ 301 struct pci_vendor_info *vi; 302 struct pci_device_info *di; 303 const char *dp; 304 305 TAILQ_FOREACH(vi, &pci_vendors, link) { 306 if (vi->id == p->pc_vendor) { 307 printf(" vendor = '%s'\n", vi->desc); 308 break; 309 } 310 } 311 if (vi == NULL) { 312 di = NULL; 313 } else { 314 TAILQ_FOREACH(di, &vi->devs, link) { 315 if (di->id == p->pc_device) { 316 printf(" device = '%s'\n", di->desc); 317 break; 318 } 319 } 320 } 321 if ((dp = guess_class(p)) != NULL) 322 printf(" class = %s\n", dp); 323 if ((dp = guess_subclass(p)) != NULL) 324 printf(" subclass = %s\n", dp); 325} 326 327/* 328 * This is a direct cut-and-paste from the table in sys/dev/pci/pci.c. 329 */ 330static struct 331{ 332 int class; 333 int subclass; 334 const char *desc; 335} pci_nomatch_tab[] = { 336 {PCIC_OLD, -1, "old"}, 337 {PCIC_OLD, PCIS_OLD_NONVGA, "non-VGA display device"}, 338 {PCIC_OLD, PCIS_OLD_VGA, "VGA-compatible display device"}, 339 {PCIC_STORAGE, -1, "mass storage"}, 340 {PCIC_STORAGE, PCIS_STORAGE_SCSI, "SCSI"}, 341 {PCIC_STORAGE, PCIS_STORAGE_IDE, "ATA"}, 342 {PCIC_STORAGE, PCIS_STORAGE_FLOPPY, "floppy disk"}, 343 {PCIC_STORAGE, PCIS_STORAGE_IPI, "IPI"}, 344 {PCIC_STORAGE, PCIS_STORAGE_RAID, "RAID"}, 345 {PCIC_STORAGE, PCIS_STORAGE_ATA_ADMA, "ATA (ADMA)"}, 346 {PCIC_STORAGE, PCIS_STORAGE_SATA, "SATA"}, 347 {PCIC_STORAGE, PCIS_STORAGE_SAS, "SAS"}, 348 {PCIC_STORAGE, PCIS_STORAGE_NVM, "NVM"}, 349 {PCIC_NETWORK, -1, "network"}, 350 {PCIC_NETWORK, PCIS_NETWORK_ETHERNET, "ethernet"}, 351 {PCIC_NETWORK, PCIS_NETWORK_TOKENRING, "token ring"}, 352 {PCIC_NETWORK, PCIS_NETWORK_FDDI, "fddi"}, 353 {PCIC_NETWORK, PCIS_NETWORK_ATM, "ATM"}, 354 {PCIC_NETWORK, PCIS_NETWORK_ISDN, "ISDN"}, 355 {PCIC_DISPLAY, -1, "display"}, 356 {PCIC_DISPLAY, PCIS_DISPLAY_VGA, "VGA"}, 357 {PCIC_DISPLAY, PCIS_DISPLAY_XGA, "XGA"}, 358 {PCIC_DISPLAY, PCIS_DISPLAY_3D, "3D"}, 359 {PCIC_MULTIMEDIA, -1, "multimedia"}, 360 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_VIDEO, "video"}, 361 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_AUDIO, "audio"}, 362 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_TELE, "telephony"}, 363 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_HDA, "HDA"}, 364 {PCIC_MEMORY, -1, "memory"}, 365 {PCIC_MEMORY, PCIS_MEMORY_RAM, "RAM"}, 366 {PCIC_MEMORY, PCIS_MEMORY_FLASH, "flash"}, 367 {PCIC_BRIDGE, -1, "bridge"}, 368 {PCIC_BRIDGE, PCIS_BRIDGE_HOST, "HOST-PCI"}, 369 {PCIC_BRIDGE, PCIS_BRIDGE_ISA, "PCI-ISA"}, 370 {PCIC_BRIDGE, PCIS_BRIDGE_EISA, "PCI-EISA"}, 371 {PCIC_BRIDGE, PCIS_BRIDGE_MCA, "PCI-MCA"}, 372 {PCIC_BRIDGE, PCIS_BRIDGE_PCI, "PCI-PCI"}, 373 {PCIC_BRIDGE, PCIS_BRIDGE_PCMCIA, "PCI-PCMCIA"}, 374 {PCIC_BRIDGE, PCIS_BRIDGE_NUBUS, "PCI-NuBus"}, 375 {PCIC_BRIDGE, PCIS_BRIDGE_CARDBUS, "PCI-CardBus"}, 376 {PCIC_BRIDGE, PCIS_BRIDGE_RACEWAY, "PCI-RACEway"}, 377 {PCIC_SIMPLECOMM, -1, "simple comms"}, 378 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_UART, "UART"}, /* could detect 16550 */ 379 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_PAR, "parallel port"}, 380 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_MULSER, "multiport serial"}, 381 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_MODEM, "generic modem"}, 382 {PCIC_BASEPERIPH, -1, "base peripheral"}, 383 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_PIC, "interrupt controller"}, 384 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_DMA, "DMA controller"}, 385 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_TIMER, "timer"}, 386 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_RTC, "realtime clock"}, 387 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_PCIHOT, "PCI hot-plug controller"}, 388 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_SDHC, "SD host controller"}, 389 {PCIC_INPUTDEV, -1, "input device"}, 390 {PCIC_INPUTDEV, PCIS_INPUTDEV_KEYBOARD, "keyboard"}, 391 {PCIC_INPUTDEV, PCIS_INPUTDEV_DIGITIZER,"digitizer"}, 392 {PCIC_INPUTDEV, PCIS_INPUTDEV_MOUSE, "mouse"}, 393 {PCIC_INPUTDEV, PCIS_INPUTDEV_SCANNER, "scanner"}, 394 {PCIC_INPUTDEV, PCIS_INPUTDEV_GAMEPORT, "gameport"}, 395 {PCIC_DOCKING, -1, "docking station"}, 396 {PCIC_PROCESSOR, -1, "processor"}, 397 {PCIC_SERIALBUS, -1, "serial bus"}, 398 {PCIC_SERIALBUS, PCIS_SERIALBUS_FW, "FireWire"}, 399 {PCIC_SERIALBUS, PCIS_SERIALBUS_ACCESS, "AccessBus"}, 400 {PCIC_SERIALBUS, PCIS_SERIALBUS_SSA, "SSA"}, 401 {PCIC_SERIALBUS, PCIS_SERIALBUS_USB, "USB"}, 402 {PCIC_SERIALBUS, PCIS_SERIALBUS_FC, "Fibre Channel"}, 403 {PCIC_SERIALBUS, PCIS_SERIALBUS_SMBUS, "SMBus"}, 404 {PCIC_WIRELESS, -1, "wireless controller"}, 405 {PCIC_WIRELESS, PCIS_WIRELESS_IRDA, "iRDA"}, 406 {PCIC_WIRELESS, PCIS_WIRELESS_IR, "IR"}, 407 {PCIC_WIRELESS, PCIS_WIRELESS_RF, "RF"}, 408 {PCIC_INTELLIIO, -1, "intelligent I/O controller"}, 409 {PCIC_INTELLIIO, PCIS_INTELLIIO_I2O, "I2O"}, 410 {PCIC_SATCOM, -1, "satellite communication"}, 411 {PCIC_SATCOM, PCIS_SATCOM_TV, "sat TV"}, 412 {PCIC_SATCOM, PCIS_SATCOM_AUDIO, "sat audio"}, 413 {PCIC_SATCOM, PCIS_SATCOM_VOICE, "sat voice"}, 414 {PCIC_SATCOM, PCIS_SATCOM_DATA, "sat data"}, 415 {PCIC_CRYPTO, -1, "encrypt/decrypt"}, 416 {PCIC_CRYPTO, PCIS_CRYPTO_NETCOMP, "network/computer crypto"}, 417 {PCIC_CRYPTO, PCIS_CRYPTO_NETCOMP, "entertainment crypto"}, 418 {PCIC_DASP, -1, "dasp"}, 419 {PCIC_DASP, PCIS_DASP_DPIO, "DPIO module"}, 420 {0, 0, NULL} 421}; 422 423static const char * 424guess_class(struct pci_conf *p) 425{ 426 int i; 427 428 for (i = 0; pci_nomatch_tab[i].desc != NULL; i++) { 429 if (pci_nomatch_tab[i].class == p->pc_class) 430 return(pci_nomatch_tab[i].desc); 431 } 432 return(NULL); 433} 434 435static const char * 436guess_subclass(struct pci_conf *p) 437{ 438 int i; 439 440 for (i = 0; pci_nomatch_tab[i].desc != NULL; i++) { 441 if ((pci_nomatch_tab[i].class == p->pc_class) && 442 (pci_nomatch_tab[i].subclass == p->pc_subclass)) 443 return(pci_nomatch_tab[i].desc); 444 } 445 return(NULL); 446} 447 448static int 449load_vendors(void) 450{ 451 const char *dbf; 452 FILE *db; 453 struct pci_vendor_info *cv; 454 struct pci_device_info *cd; 455 char buf[1024], str[1024]; 456 char *ch; 457 int id, error; 458 459 /* 460 * Locate the database and initialise. 461 */ 462 TAILQ_INIT(&pci_vendors); 463 if ((dbf = getenv("PCICONF_VENDOR_DATABASE")) == NULL) 464 dbf = _PATH_PCIVDB; 465 if ((db = fopen(dbf, "r")) == NULL) 466 return(1); 467 cv = NULL; 468 cd = NULL; 469 error = 0; 470 471 /* 472 * Scan input lines from the database 473 */ 474 for (;;) { 475 if (fgets(buf, sizeof(buf), db) == NULL) 476 break; 477 478 if ((ch = strchr(buf, '#')) != NULL) 479 *ch = '\0'; 480 ch = strchr(buf, '\0') - 1; 481 while (ch > buf && isspace(*ch)) 482 *ch-- = '\0'; 483 if (ch <= buf) 484 continue; 485 486 /* Can't handle subvendor / subdevice entries yet */ 487 if (buf[0] == '\t' && buf[1] == '\t') 488 continue; 489 490 /* Check for vendor entry */ 491 if (buf[0] != '\t' && sscanf(buf, "%04x %[^\n]", &id, str) == 2) { 492 if ((id == 0) || (strlen(str) < 1)) 493 continue; 494 if ((cv = malloc(sizeof(struct pci_vendor_info))) == NULL) { 495 warn("allocating vendor entry"); 496 error = 1; 497 break; 498 } 499 if ((cv->desc = strdup(str)) == NULL) { 500 free(cv); 501 warn("allocating vendor description"); 502 error = 1; 503 break; 504 } 505 cv->id = id; 506 TAILQ_INIT(&cv->devs); 507 TAILQ_INSERT_TAIL(&pci_vendors, cv, link); 508 continue; 509 } 510 511 /* Check for device entry */ 512 if (buf[0] == '\t' && sscanf(buf + 1, "%04x %[^\n]", &id, str) == 2) { 513 if ((id == 0) || (strlen(str) < 1)) 514 continue; 515 if (cv == NULL) { 516 warnx("device entry with no vendor!"); 517 continue; 518 } 519 if ((cd = malloc(sizeof(struct pci_device_info))) == NULL) { 520 warn("allocating device entry"); 521 error = 1; 522 break; 523 } 524 if ((cd->desc = strdup(str)) == NULL) { 525 free(cd); 526 warn("allocating device description"); 527 error = 1; 528 break; 529 } 530 cd->id = id; 531 TAILQ_INSERT_TAIL(&cv->devs, cd, link); 532 continue; 533 } 534 535 /* It's a comment or junk, ignore it */ 536 } 537 if (ferror(db)) 538 error = 1; 539 fclose(db); 540 541 return(error); 542} 543 544uint32_t 545read_config(int fd, struct pcisel *sel, long reg, int width) 546{ 547 struct pci_io pi; 548 549 pi.pi_sel = *sel; 550 pi.pi_reg = reg; 551 pi.pi_width = width; 552 553 if (ioctl(fd, PCIOCREAD, &pi) < 0) 554 err(1, "ioctl(PCIOCREAD)"); 555 556 return (pi.pi_data); 557} 558 559static struct pcisel 560getsel(const char *str) 561{ 562 char *ep = strchr(str, '@'); 563 char *epbase; 564 struct pcisel sel; 565 unsigned long selarr[4]; 566 int i; 567 568 if (ep == NULL) 569 ep = (char *)str; 570 else 571 ep++; 572 573 epbase = ep; 574 575 if (strncmp(ep, "pci", 3) == 0) { 576 ep += 3; 577 i = 0; 578 do { 579 selarr[i++] = strtoul(ep, &ep, 10); 580 } while ((*ep == ':' || *ep == '.') && *++ep != '\0' && i < 4); 581 582 if (i > 2) 583 sel.pc_func = selarr[--i]; 584 else 585 sel.pc_func = 0; 586 sel.pc_dev = selarr[--i]; 587 sel.pc_bus = selarr[--i]; 588 if (i > 0) 589 sel.pc_domain = selarr[--i]; 590 else 591 sel.pc_domain = 0; 592 } 593 if (*ep != '\x0' || ep == epbase) 594 errx(1, "cannot parse selector %s", str); 595 return sel; 596} 597 598static void 599readone(int fd, struct pcisel *sel, long reg, int width) 600{ 601 602 printf("%0*x", width*2, read_config(fd, sel, reg, width)); 603} 604 605static void 606readit(const char *name, const char *reg, int width) 607{ 608 long rstart; 609 long rend; 610 long r; 611 char *end; 612 int i; 613 int fd; 614 struct pcisel sel; 615 616 fd = open(_PATH_DEVPCI, O_RDWR, 0); 617 if (fd < 0) 618 err(1, "%s", _PATH_DEVPCI); 619 620 rend = rstart = strtol(reg, &end, 0); 621 if (end && *end == ':') { 622 end++; 623 rend = strtol(end, (char **) 0, 0); 624 } 625 sel = getsel(name); 626 for (i = 1, r = rstart; r <= rend; i++, r += width) { 627 readone(fd, &sel, r, width); 628 if (i && !(i % 8)) 629 putchar(' '); 630 putchar(i % (16/width) ? ' ' : '\n'); 631 } 632 if (i % (16/width) != 1) 633 putchar('\n'); 634 close(fd); 635} 636 637static void 638writeit(const char *name, const char *reg, const char *data, int width) 639{ 640 int fd; 641 struct pci_io pi; 642 643 pi.pi_sel = getsel(name); 644 pi.pi_reg = strtoul(reg, (char **)0, 0); /* XXX error check */ 645 pi.pi_width = width; 646 pi.pi_data = strtoul(data, (char **)0, 0); /* XXX error check */ 647 648 fd = open(_PATH_DEVPCI, O_RDWR, 0); 649 if (fd < 0) 650 err(1, "%s", _PATH_DEVPCI); 651 652 if (ioctl(fd, PCIOCWRITE, &pi) < 0) 653 err(1, "ioctl(PCIOCWRITE)"); 654} 655 656static void 657chkattached(const char *name) 658{ 659 int fd; 660 struct pci_io pi; 661 662 pi.pi_sel = getsel(name); 663 664 fd = open(_PATH_DEVPCI, O_RDWR, 0); 665 if (fd < 0) 666 err(1, "%s", _PATH_DEVPCI); 667 668 if (ioctl(fd, PCIOCATTACHED, &pi) < 0) 669 err(1, "ioctl(PCIOCATTACHED)"); 670 671 exitstatus = pi.pi_data ? 0 : 2; /* exit(2), if NOT attached */ 672 printf("%s: %s%s\n", name, pi.pi_data == 0 ? "not " : "", "attached"); 673} 674