2 * Copyright 1996 Massachusetts Institute of Technology
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
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
31 static const char rcsid[] =
35 #include <sys/types.h>
36 #include <sys/fcntl.h>
46 #include <sys/pciio.h>
47 #include <sys/queue.h>
49 #include <dev/pci/pcireg.h>
51 #include "pathnames.h"
54 struct pci_device_info
56 TAILQ_ENTRY(pci_device_info) link;
61 struct pci_vendor_info
63 TAILQ_ENTRY(pci_vendor_info) link;
64 TAILQ_HEAD(,pci_device_info) devs;
69 TAILQ_HEAD(,pci_vendor_info) pci_vendors;
71 static struct pcisel getsel(const char *str);
72 static void list_bars(int fd, struct pci_conf *p);
73 static void list_devs(const char *name, int verbose, int bars, int caps,
75 static void list_verbose(struct pci_conf *p);
76 static void list_vpd(int fd, struct pci_conf *p);
77 static const char *guess_class(struct pci_conf *p);
78 static const char *guess_subclass(struct pci_conf *p);
79 static int load_vendors(void);
80 static void readit(const char *, const char *, int);
81 static void writeit(const char *, const char *, const char *, int);
82 static void chkattached(const char *);
84 static int exitstatus = 0;
89 fprintf(stderr, "%s\n%s\n%s\n%s\n",
90 "usage: pciconf -l [-bcevV] [device]",
92 " pciconf -r [-b | -h] device addr[:addr2]",
93 " pciconf -w [-b | -h] device addr value");
98 main(int argc, char **argv)
101 int listmode, readmode, writemode, attachedmode;
102 int bars, caps, errors, verbose, vpd;
105 listmode = readmode = writemode = attachedmode = 0;
106 bars = caps = errors = verbose = vpd = byte = isshort = 0;
108 while ((c = getopt(argc, argv, "abcehlrwvV")) != -1) {
156 if ((listmode && optind >= argc + 1)
157 || (writemode && optind + 3 != argc)
158 || (readmode && optind + 2 != argc)
159 || (attachedmode && optind + 1 != argc))
163 list_devs(optind + 1 == argc ? argv[optind] : NULL, verbose,
164 bars, caps, errors, vpd);
165 } else if (attachedmode) {
166 chkattached(argv[optind]);
167 } else if (readmode) {
168 readit(argv[optind], argv[optind + 1],
169 byte ? 1 : isshort ? 2 : 4);
170 } else if (writemode) {
171 writeit(argv[optind], argv[optind + 1], argv[optind + 2],
172 byte ? 1 : isshort ? 2 : 4);
181 list_devs(const char *name, int verbose, int bars, int caps, int errors,
185 struct pci_conf_io pc;
186 struct pci_conf conf[255], *p;
187 struct pci_match_conf patterns[1];
193 fd = open(_PATH_DEVPCI, (caps || errors) ? O_RDWR : O_RDONLY, 0);
195 err(1, "%s", _PATH_DEVPCI);
197 bzero(&pc, sizeof(struct pci_conf_io));
198 pc.match_buf_len = sizeof(conf);
201 bzero(&patterns, sizeof(patterns));
202 patterns[0].pc_sel = getsel(name);
203 patterns[0].flags = PCI_GETCONF_MATCH_DOMAIN |
204 PCI_GETCONF_MATCH_BUS | PCI_GETCONF_MATCH_DEV |
205 PCI_GETCONF_MATCH_FUNC;
207 pc.pat_buf_len = sizeof(patterns);
208 pc.patterns = patterns;
212 if (ioctl(fd, PCIOCGETCONF, &pc) == -1)
213 err(1, "ioctl(PCIOCGETCONF)");
216 * 255 entries should be more than enough for most people,
217 * but if someone has more devices, and then changes things
218 * around between ioctls, we'll do the cheezy thing and
219 * just bail. The alternative would be to go back to the
220 * beginning of the list, and print things twice, which may
223 if (pc.status == PCI_GETCONF_LIST_CHANGED) {
224 warnx("PCI device list changed, please try again");
228 } else if (pc.status == PCI_GETCONF_ERROR) {
229 warnx("error returned from PCIOCGETCONF ioctl");
234 for (p = conf; p < &conf[pc.num_matches]; p++) {
235 printf("%s%d@pci%d:%d:%d:%d:\tclass=0x%06x card=0x%08x "
236 "chip=0x%08x rev=0x%02x hdr=0x%02x\n",
237 (p->pd_name && *p->pd_name) ? p->pd_name :
239 (p->pd_name && *p->pd_name) ? (int)p->pd_unit :
240 none_count++, p->pc_sel.pc_domain,
241 p->pc_sel.pc_bus, p->pc_sel.pc_dev,
242 p->pc_sel.pc_func, (p->pc_class << 16) |
243 (p->pc_subclass << 8) | p->pc_progif,
244 (p->pc_subdevice << 16) | p->pc_subvendor,
245 (p->pc_device << 16) | p->pc_vendor,
246 p->pc_revid, p->pc_hdr);
258 } while (pc.status == PCI_GETCONF_MORE_DEVS);
264 list_bars(int fd, struct pci_conf *p)
266 struct pci_bar_io bar;
271 switch (p->pc_hdr & PCIM_HDRTYPE) {
272 case PCIM_HDRTYPE_NORMAL:
273 max = PCIR_MAX_BAR_0;
275 case PCIM_HDRTYPE_BRIDGE:
276 max = PCIR_MAX_BAR_1;
278 case PCIM_HDRTYPE_CARDBUS:
279 max = PCIR_MAX_BAR_2;
285 for (i = 0; i <= max; i++) {
286 bar.pbi_sel = p->pc_sel;
287 bar.pbi_reg = PCIR_BAR(i);
288 if (ioctl(fd, PCIOCGETBAR, &bar) < 0)
290 if (PCI_BAR_IO(bar.pbi_base)) {
293 base = bar.pbi_base & PCIM_BAR_IO_BASE;
295 if (bar.pbi_base & PCIM_BAR_MEM_PREFETCH)
296 type = "Prefetchable Memory";
299 switch (bar.pbi_base & PCIM_BAR_MEM_TYPE) {
300 case PCIM_BAR_MEM_32:
303 case PCIM_BAR_MEM_1MB:
306 case PCIM_BAR_MEM_64:
312 base = bar.pbi_base & ~((uint64_t)0xf);
314 printf(" bar [%02x] = type %s, range %2d, base %#jx, ",
315 PCIR_BAR(i), type, range, (uintmax_t)base);
316 printf("size %2d, %s\n", (int)bar.pbi_length,
317 bar.pbi_enabled ? "enabled" : "disabled");
322 list_verbose(struct pci_conf *p)
324 struct pci_vendor_info *vi;
325 struct pci_device_info *di;
328 TAILQ_FOREACH(vi, &pci_vendors, link) {
329 if (vi->id == p->pc_vendor) {
330 printf(" vendor = '%s'\n", vi->desc);
337 TAILQ_FOREACH(di, &vi->devs, link) {
338 if (di->id == p->pc_device) {
339 printf(" device = '%s'\n", di->desc);
344 if ((dp = guess_class(p)) != NULL)
345 printf(" class = %s\n", dp);
346 if ((dp = guess_subclass(p)) != NULL)
347 printf(" subclass = %s\n", dp);
351 list_vpd(int fd, struct pci_conf *p)
353 struct pci_list_vpd_io list;
354 struct pci_vpd_element *vpd, *end;
356 list.plvi_sel = p->pc_sel;
358 list.plvi_data = NULL;
359 if (ioctl(fd, PCIOCLISTVPD, &list) < 0 || list.plvi_len == 0)
362 list.plvi_data = malloc(list.plvi_len);
363 if (ioctl(fd, PCIOCLISTVPD, &list) < 0) {
364 free(list.plvi_data);
368 vpd = list.plvi_data;
369 end = (struct pci_vpd_element *)((char *)vpd + list.plvi_len);
370 for (; vpd < end; vpd = PVE_NEXT(vpd)) {
371 if (vpd->pve_flags == PVE_FLAG_IDENT) {
372 printf(" VPD ident = '%.*s'\n",
373 (int)vpd->pve_datalen, vpd->pve_data);
377 /* Ignore the checksum keyword. */
378 if (!(vpd->pve_flags & PVE_FLAG_RW) &&
379 memcmp(vpd->pve_keyword, "RV", 2) == 0)
382 /* Ignore remaining read-write space. */
383 if (vpd->pve_flags & PVE_FLAG_RW &&
384 memcmp(vpd->pve_keyword, "RW", 2) == 0)
387 /* Handle extended capability keyword. */
388 if (!(vpd->pve_flags & PVE_FLAG_RW) &&
389 memcmp(vpd->pve_keyword, "CP", 2) == 0) {
390 printf(" VPD ro CP = ID %02x in map 0x%x[0x%x]\n",
391 (unsigned int)vpd->pve_data[0],
392 PCIR_BAR((unsigned int)vpd->pve_data[1]),
393 (unsigned int)vpd->pve_data[3] << 8 |
394 (unsigned int)vpd->pve_data[2]);
398 /* Remaining keywords should all have ASCII values. */
399 printf(" VPD %s %c%c = '%.*s'\n",
400 vpd->pve_flags & PVE_FLAG_RW ? "rw" : "ro",
401 vpd->pve_keyword[0], vpd->pve_keyword[1],
402 (int)vpd->pve_datalen, vpd->pve_data);
404 free(list.plvi_data);
408 * This is a direct cut-and-paste from the table in sys/dev/pci/pci.c.
415 } pci_nomatch_tab[] = {
416 {PCIC_OLD, -1, "old"},
417 {PCIC_OLD, PCIS_OLD_NONVGA, "non-VGA display device"},
418 {PCIC_OLD, PCIS_OLD_VGA, "VGA-compatible display device"},
419 {PCIC_STORAGE, -1, "mass storage"},
420 {PCIC_STORAGE, PCIS_STORAGE_SCSI, "SCSI"},
421 {PCIC_STORAGE, PCIS_STORAGE_IDE, "ATA"},
422 {PCIC_STORAGE, PCIS_STORAGE_FLOPPY, "floppy disk"},
423 {PCIC_STORAGE, PCIS_STORAGE_IPI, "IPI"},
424 {PCIC_STORAGE, PCIS_STORAGE_RAID, "RAID"},
425 {PCIC_STORAGE, PCIS_STORAGE_ATA_ADMA, "ATA (ADMA)"},
426 {PCIC_STORAGE, PCIS_STORAGE_SATA, "SATA"},
427 {PCIC_STORAGE, PCIS_STORAGE_SAS, "SAS"},
428 {PCIC_STORAGE, PCIS_STORAGE_NVM, "NVM"},
429 {PCIC_NETWORK, -1, "network"},
430 {PCIC_NETWORK, PCIS_NETWORK_ETHERNET, "ethernet"},
431 {PCIC_NETWORK, PCIS_NETWORK_TOKENRING, "token ring"},
432 {PCIC_NETWORK, PCIS_NETWORK_FDDI, "fddi"},
433 {PCIC_NETWORK, PCIS_NETWORK_ATM, "ATM"},
434 {PCIC_NETWORK, PCIS_NETWORK_ISDN, "ISDN"},
435 {PCIC_DISPLAY, -1, "display"},
436 {PCIC_DISPLAY, PCIS_DISPLAY_VGA, "VGA"},
437 {PCIC_DISPLAY, PCIS_DISPLAY_XGA, "XGA"},
438 {PCIC_DISPLAY, PCIS_DISPLAY_3D, "3D"},
439 {PCIC_MULTIMEDIA, -1, "multimedia"},
440 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_VIDEO, "video"},
441 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_AUDIO, "audio"},
442 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_TELE, "telephony"},
443 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_HDA, "HDA"},
444 {PCIC_MEMORY, -1, "memory"},
445 {PCIC_MEMORY, PCIS_MEMORY_RAM, "RAM"},
446 {PCIC_MEMORY, PCIS_MEMORY_FLASH, "flash"},
447 {PCIC_BRIDGE, -1, "bridge"},
448 {PCIC_BRIDGE, PCIS_BRIDGE_HOST, "HOST-PCI"},
449 {PCIC_BRIDGE, PCIS_BRIDGE_ISA, "PCI-ISA"},
450 {PCIC_BRIDGE, PCIS_BRIDGE_EISA, "PCI-EISA"},
451 {PCIC_BRIDGE, PCIS_BRIDGE_MCA, "PCI-MCA"},
452 {PCIC_BRIDGE, PCIS_BRIDGE_PCI, "PCI-PCI"},
453 {PCIC_BRIDGE, PCIS_BRIDGE_PCMCIA, "PCI-PCMCIA"},
454 {PCIC_BRIDGE, PCIS_BRIDGE_NUBUS, "PCI-NuBus"},
455 {PCIC_BRIDGE, PCIS_BRIDGE_CARDBUS, "PCI-CardBus"},
456 {PCIC_BRIDGE, PCIS_BRIDGE_RACEWAY, "PCI-RACEway"},
457 {PCIC_SIMPLECOMM, -1, "simple comms"},
458 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_UART, "UART"}, /* could detect 16550 */
459 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_PAR, "parallel port"},
460 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_MULSER, "multiport serial"},
461 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_MODEM, "generic modem"},
462 {PCIC_BASEPERIPH, -1, "base peripheral"},
463 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_PIC, "interrupt controller"},
464 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_DMA, "DMA controller"},
465 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_TIMER, "timer"},
466 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_RTC, "realtime clock"},
467 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_PCIHOT, "PCI hot-plug controller"},
468 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_SDHC, "SD host controller"},
469 {PCIC_INPUTDEV, -1, "input device"},
470 {PCIC_INPUTDEV, PCIS_INPUTDEV_KEYBOARD, "keyboard"},
471 {PCIC_INPUTDEV, PCIS_INPUTDEV_DIGITIZER,"digitizer"},
472 {PCIC_INPUTDEV, PCIS_INPUTDEV_MOUSE, "mouse"},
473 {PCIC_INPUTDEV, PCIS_INPUTDEV_SCANNER, "scanner"},
474 {PCIC_INPUTDEV, PCIS_INPUTDEV_GAMEPORT, "gameport"},
475 {PCIC_DOCKING, -1, "docking station"},
476 {PCIC_PROCESSOR, -1, "processor"},
477 {PCIC_SERIALBUS, -1, "serial bus"},
478 {PCIC_SERIALBUS, PCIS_SERIALBUS_FW, "FireWire"},
479 {PCIC_SERIALBUS, PCIS_SERIALBUS_ACCESS, "AccessBus"},
480 {PCIC_SERIALBUS, PCIS_SERIALBUS_SSA, "SSA"},
481 {PCIC_SERIALBUS, PCIS_SERIALBUS_USB, "USB"},
482 {PCIC_SERIALBUS, PCIS_SERIALBUS_FC, "Fibre Channel"},
483 {PCIC_SERIALBUS, PCIS_SERIALBUS_SMBUS, "SMBus"},
484 {PCIC_WIRELESS, -1, "wireless controller"},
485 {PCIC_WIRELESS, PCIS_WIRELESS_IRDA, "iRDA"},
486 {PCIC_WIRELESS, PCIS_WIRELESS_IR, "IR"},
487 {PCIC_WIRELESS, PCIS_WIRELESS_RF, "RF"},
488 {PCIC_INTELLIIO, -1, "intelligent I/O controller"},
489 {PCIC_INTELLIIO, PCIS_INTELLIIO_I2O, "I2O"},
490 {PCIC_SATCOM, -1, "satellite communication"},
491 {PCIC_SATCOM, PCIS_SATCOM_TV, "sat TV"},
492 {PCIC_SATCOM, PCIS_SATCOM_AUDIO, "sat audio"},
493 {PCIC_SATCOM, PCIS_SATCOM_VOICE, "sat voice"},
494 {PCIC_SATCOM, PCIS_SATCOM_DATA, "sat data"},
495 {PCIC_CRYPTO, -1, "encrypt/decrypt"},
496 {PCIC_CRYPTO, PCIS_CRYPTO_NETCOMP, "network/computer crypto"},
497 {PCIC_CRYPTO, PCIS_CRYPTO_NETCOMP, "entertainment crypto"},
498 {PCIC_DASP, -1, "dasp"},
499 {PCIC_DASP, PCIS_DASP_DPIO, "DPIO module"},
504 guess_class(struct pci_conf *p)
508 for (i = 0; pci_nomatch_tab[i].desc != NULL; i++) {
509 if (pci_nomatch_tab[i].class == p->pc_class)
510 return(pci_nomatch_tab[i].desc);
516 guess_subclass(struct pci_conf *p)
520 for (i = 0; pci_nomatch_tab[i].desc != NULL; i++) {
521 if ((pci_nomatch_tab[i].class == p->pc_class) &&
522 (pci_nomatch_tab[i].subclass == p->pc_subclass))
523 return(pci_nomatch_tab[i].desc);
533 struct pci_vendor_info *cv;
534 struct pci_device_info *cd;
535 char buf[1024], str[1024];
540 * Locate the database and initialise.
542 TAILQ_INIT(&pci_vendors);
543 if ((dbf = getenv("PCICONF_VENDOR_DATABASE")) == NULL)
545 if ((db = fopen(dbf, "r")) == NULL)
552 * Scan input lines from the database
555 if (fgets(buf, sizeof(buf), db) == NULL)
558 if ((ch = strchr(buf, '#')) != NULL)
560 ch = strchr(buf, '\0') - 1;
561 while (ch > buf && isspace(*ch))
566 /* Can't handle subvendor / subdevice entries yet */
567 if (buf[0] == '\t' && buf[1] == '\t')
570 /* Check for vendor entry */
571 if (buf[0] != '\t' && sscanf(buf, "%04x %[^\n]", &id, str) == 2) {
572 if ((id == 0) || (strlen(str) < 1))
574 if ((cv = malloc(sizeof(struct pci_vendor_info))) == NULL) {
575 warn("allocating vendor entry");
579 if ((cv->desc = strdup(str)) == NULL) {
581 warn("allocating vendor description");
586 TAILQ_INIT(&cv->devs);
587 TAILQ_INSERT_TAIL(&pci_vendors, cv, link);
591 /* Check for device entry */
592 if (buf[0] == '\t' && sscanf(buf + 1, "%04x %[^\n]", &id, str) == 2) {
593 if ((id == 0) || (strlen(str) < 1))
596 warnx("device entry with no vendor!");
599 if ((cd = malloc(sizeof(struct pci_device_info))) == NULL) {
600 warn("allocating device entry");
604 if ((cd->desc = strdup(str)) == NULL) {
606 warn("allocating device description");
611 TAILQ_INSERT_TAIL(&cv->devs, cd, link);
615 /* It's a comment or junk, ignore it */
625 read_config(int fd, struct pcisel *sel, long reg, int width)
633 if (ioctl(fd, PCIOCREAD, &pi) < 0)
634 err(1, "ioctl(PCIOCREAD)");
640 getdevice(const char *name)
642 struct pci_conf_io pc;
643 struct pci_conf conf[1];
644 struct pci_match_conf patterns[1];
648 fd = open(_PATH_DEVPCI, O_RDONLY, 0);
650 err(1, "%s", _PATH_DEVPCI);
652 bzero(&pc, sizeof(struct pci_conf_io));
653 pc.match_buf_len = sizeof(conf);
656 bzero(&patterns, sizeof(patterns));
659 * The pattern structure requires the unit to be split out from
660 * the driver name. Walk backwards from the end of the name to
661 * find the start of the unit.
664 errx(1, "Empty device name");
665 cp = strchr(name, '\0');
666 assert(cp != NULL && cp != name);
668 while (cp != name && isdigit(cp[-1]))
670 if (cp == name || !isdigit(*cp))
671 errx(1, "Invalid device name");
672 if ((size_t)(cp - name) + 1 > sizeof(patterns[0].pd_name))
673 errx(1, "Device name is too long");
674 memcpy(patterns[0].pd_name, name, cp - name);
675 patterns[0].pd_unit = strtol(cp, &cp, 10);
677 patterns[0].flags = PCI_GETCONF_MATCH_NAME | PCI_GETCONF_MATCH_UNIT;
679 pc.pat_buf_len = sizeof(patterns);
680 pc.patterns = patterns;
682 if (ioctl(fd, PCIOCGETCONF, &pc) == -1)
683 err(1, "ioctl(PCIOCGETCONF)");
684 if (pc.status != PCI_GETCONF_LAST_DEVICE &&
685 pc.status != PCI_GETCONF_MORE_DEVS)
686 errx(1, "error returned from PCIOCGETCONF ioctl");
688 if (pc.num_matches == 0)
689 errx(1, "Device not found");
690 return (conf[0].pc_sel);
694 parsesel(const char *str)
696 char *ep = strchr(str, '@');
699 unsigned long selarr[4];
709 if (strncmp(ep, "pci", 3) == 0) {
713 selarr[i++] = strtoul(ep, &ep, 10);
714 } while ((*ep == ':' || *ep == '.') && *++ep != '\0' && i < 4);
717 sel.pc_func = selarr[--i];
720 sel.pc_dev = selarr[--i];
721 sel.pc_bus = selarr[--i];
723 sel.pc_domain = selarr[--i];
727 if (*ep != '\x0' || ep == epbase)
728 errx(1, "cannot parse selector %s", str);
733 getsel(const char *str)
737 * No device names contain colons and selectors always contain
738 * at least one colon.
740 if (strchr(str, ':') == NULL)
741 return (getdevice(str));
743 return (parsesel(str));
747 readone(int fd, struct pcisel *sel, long reg, int width)
750 printf("%0*x", width*2, read_config(fd, sel, reg, width));
754 readit(const char *name, const char *reg, int width)
764 fd = open(_PATH_DEVPCI, O_RDWR, 0);
766 err(1, "%s", _PATH_DEVPCI);
768 rend = rstart = strtol(reg, &end, 0);
769 if (end && *end == ':') {
771 rend = strtol(end, (char **) 0, 0);
774 for (i = 1, r = rstart; r <= rend; i++, r += width) {
775 readone(fd, &sel, r, width);
778 putchar(i % (16/width) ? ' ' : '\n');
780 if (i % (16/width) != 1)
786 writeit(const char *name, const char *reg, const char *data, int width)
791 pi.pi_sel = getsel(name);
792 pi.pi_reg = strtoul(reg, (char **)0, 0); /* XXX error check */
794 pi.pi_data = strtoul(data, (char **)0, 0); /* XXX error check */
796 fd = open(_PATH_DEVPCI, O_RDWR, 0);
798 err(1, "%s", _PATH_DEVPCI);
800 if (ioctl(fd, PCIOCWRITE, &pi) < 0)
801 err(1, "ioctl(PCIOCWRITE)");
805 chkattached(const char *name)
810 pi.pi_sel = getsel(name);
812 fd = open(_PATH_DEVPCI, O_RDWR, 0);
814 err(1, "%s", _PATH_DEVPCI);
816 if (ioctl(fd, PCIOCATTACHED, &pi) < 0)
817 err(1, "ioctl(PCIOCATTACHED)");
819 exitstatus = pi.pi_data ? 0 : 2; /* exit(2), if NOT attached */
820 printf("%s: %s%s\n", name, pi.pi_data == 0 ? "not " : "", "attached");