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 cheesy 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 :
239 *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)
268 switch (p->pc_hdr & PCIM_HDRTYPE) {
269 case PCIM_HDRTYPE_NORMAL:
270 max = PCIR_MAX_BAR_0;
272 case PCIM_HDRTYPE_BRIDGE:
273 max = PCIR_MAX_BAR_1;
275 case PCIM_HDRTYPE_CARDBUS:
276 max = PCIR_MAX_BAR_2;
282 for (i = 0; i <= max; i++)
283 print_bar(fd, p, "bar ", PCIR_BAR(i));
287 print_bar(int fd, struct pci_conf *p, const char *label, uint16_t bar_offset)
291 struct pci_bar_io bar;
294 bar.pbi_sel = p->pc_sel;
295 bar.pbi_reg = bar_offset;
296 if (ioctl(fd, PCIOCGETBAR, &bar) < 0)
298 if (PCI_BAR_IO(bar.pbi_base)) {
301 base = bar.pbi_base & PCIM_BAR_IO_BASE;
303 if (bar.pbi_base & PCIM_BAR_MEM_PREFETCH)
304 type = "Prefetchable Memory";
307 switch (bar.pbi_base & PCIM_BAR_MEM_TYPE) {
308 case PCIM_BAR_MEM_32:
311 case PCIM_BAR_MEM_1MB:
314 case PCIM_BAR_MEM_64:
320 base = bar.pbi_base & ~((uint64_t)0xf);
322 printf(" %s[%02x] = type %s, range %2d, base %#jx, ",
323 label, bar_offset, type, range, (uintmax_t)base);
324 printf("size %ju, %s\n", (uintmax_t)bar.pbi_length,
325 bar.pbi_enabled ? "enabled" : "disabled");
329 list_verbose(struct pci_conf *p)
331 struct pci_vendor_info *vi;
332 struct pci_device_info *di;
335 TAILQ_FOREACH(vi, &pci_vendors, link) {
336 if (vi->id == p->pc_vendor) {
337 printf(" vendor = '%s'\n", vi->desc);
344 TAILQ_FOREACH(di, &vi->devs, link) {
345 if (di->id == p->pc_device) {
346 printf(" device = '%s'\n", di->desc);
351 if ((dp = guess_class(p)) != NULL)
352 printf(" class = %s\n", dp);
353 if ((dp = guess_subclass(p)) != NULL)
354 printf(" subclass = %s\n", dp);
358 list_vpd(int fd, struct pci_conf *p)
360 struct pci_list_vpd_io list;
361 struct pci_vpd_element *vpd, *end;
363 list.plvi_sel = p->pc_sel;
365 list.plvi_data = NULL;
366 if (ioctl(fd, PCIOCLISTVPD, &list) < 0 || list.plvi_len == 0)
369 list.plvi_data = malloc(list.plvi_len);
370 if (ioctl(fd, PCIOCLISTVPD, &list) < 0) {
371 free(list.plvi_data);
375 vpd = list.plvi_data;
376 end = (struct pci_vpd_element *)((char *)vpd + list.plvi_len);
377 for (; vpd < end; vpd = PVE_NEXT(vpd)) {
378 if (vpd->pve_flags == PVE_FLAG_IDENT) {
379 printf(" VPD ident = '%.*s'\n",
380 (int)vpd->pve_datalen, vpd->pve_data);
384 /* Ignore the checksum keyword. */
385 if (!(vpd->pve_flags & PVE_FLAG_RW) &&
386 memcmp(vpd->pve_keyword, "RV", 2) == 0)
389 /* Ignore remaining read-write space. */
390 if (vpd->pve_flags & PVE_FLAG_RW &&
391 memcmp(vpd->pve_keyword, "RW", 2) == 0)
394 /* Handle extended capability keyword. */
395 if (!(vpd->pve_flags & PVE_FLAG_RW) &&
396 memcmp(vpd->pve_keyword, "CP", 2) == 0) {
397 printf(" VPD ro CP = ID %02x in map 0x%x[0x%x]\n",
398 (unsigned int)vpd->pve_data[0],
399 PCIR_BAR((unsigned int)vpd->pve_data[1]),
400 (unsigned int)vpd->pve_data[3] << 8 |
401 (unsigned int)vpd->pve_data[2]);
405 /* Remaining keywords should all have ASCII values. */
406 printf(" VPD %s %c%c = '%.*s'\n",
407 vpd->pve_flags & PVE_FLAG_RW ? "rw" : "ro",
408 vpd->pve_keyword[0], vpd->pve_keyword[1],
409 (int)vpd->pve_datalen, vpd->pve_data);
411 free(list.plvi_data);
415 * This is a direct cut-and-paste from the table in sys/dev/pci/pci.c.
422 } pci_nomatch_tab[] = {
423 {PCIC_OLD, -1, "old"},
424 {PCIC_OLD, PCIS_OLD_NONVGA, "non-VGA display device"},
425 {PCIC_OLD, PCIS_OLD_VGA, "VGA-compatible display device"},
426 {PCIC_STORAGE, -1, "mass storage"},
427 {PCIC_STORAGE, PCIS_STORAGE_SCSI, "SCSI"},
428 {PCIC_STORAGE, PCIS_STORAGE_IDE, "ATA"},
429 {PCIC_STORAGE, PCIS_STORAGE_FLOPPY, "floppy disk"},
430 {PCIC_STORAGE, PCIS_STORAGE_IPI, "IPI"},
431 {PCIC_STORAGE, PCIS_STORAGE_RAID, "RAID"},
432 {PCIC_STORAGE, PCIS_STORAGE_ATA_ADMA, "ATA (ADMA)"},
433 {PCIC_STORAGE, PCIS_STORAGE_SATA, "SATA"},
434 {PCIC_STORAGE, PCIS_STORAGE_SAS, "SAS"},
435 {PCIC_STORAGE, PCIS_STORAGE_NVM, "NVM"},
436 {PCIC_NETWORK, -1, "network"},
437 {PCIC_NETWORK, PCIS_NETWORK_ETHERNET, "ethernet"},
438 {PCIC_NETWORK, PCIS_NETWORK_TOKENRING, "token ring"},
439 {PCIC_NETWORK, PCIS_NETWORK_FDDI, "fddi"},
440 {PCIC_NETWORK, PCIS_NETWORK_ATM, "ATM"},
441 {PCIC_NETWORK, PCIS_NETWORK_ISDN, "ISDN"},
442 {PCIC_DISPLAY, -1, "display"},
443 {PCIC_DISPLAY, PCIS_DISPLAY_VGA, "VGA"},
444 {PCIC_DISPLAY, PCIS_DISPLAY_XGA, "XGA"},
445 {PCIC_DISPLAY, PCIS_DISPLAY_3D, "3D"},
446 {PCIC_MULTIMEDIA, -1, "multimedia"},
447 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_VIDEO, "video"},
448 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_AUDIO, "audio"},
449 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_TELE, "telephony"},
450 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_HDA, "HDA"},
451 {PCIC_MEMORY, -1, "memory"},
452 {PCIC_MEMORY, PCIS_MEMORY_RAM, "RAM"},
453 {PCIC_MEMORY, PCIS_MEMORY_FLASH, "flash"},
454 {PCIC_BRIDGE, -1, "bridge"},
455 {PCIC_BRIDGE, PCIS_BRIDGE_HOST, "HOST-PCI"},
456 {PCIC_BRIDGE, PCIS_BRIDGE_ISA, "PCI-ISA"},
457 {PCIC_BRIDGE, PCIS_BRIDGE_EISA, "PCI-EISA"},
458 {PCIC_BRIDGE, PCIS_BRIDGE_MCA, "PCI-MCA"},
459 {PCIC_BRIDGE, PCIS_BRIDGE_PCI, "PCI-PCI"},
460 {PCIC_BRIDGE, PCIS_BRIDGE_PCMCIA, "PCI-PCMCIA"},
461 {PCIC_BRIDGE, PCIS_BRIDGE_NUBUS, "PCI-NuBus"},
462 {PCIC_BRIDGE, PCIS_BRIDGE_CARDBUS, "PCI-CardBus"},
463 {PCIC_BRIDGE, PCIS_BRIDGE_RACEWAY, "PCI-RACEway"},
464 {PCIC_SIMPLECOMM, -1, "simple comms"},
465 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_UART, "UART"}, /* could detect 16550 */
466 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_PAR, "parallel port"},
467 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_MULSER, "multiport serial"},
468 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_MODEM, "generic modem"},
469 {PCIC_BASEPERIPH, -1, "base peripheral"},
470 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_PIC, "interrupt controller"},
471 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_DMA, "DMA controller"},
472 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_TIMER, "timer"},
473 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_RTC, "realtime clock"},
474 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_PCIHOT, "PCI hot-plug controller"},
475 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_SDHC, "SD host controller"},
476 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_IOMMU, "IOMMU"},
477 {PCIC_INPUTDEV, -1, "input device"},
478 {PCIC_INPUTDEV, PCIS_INPUTDEV_KEYBOARD, "keyboard"},
479 {PCIC_INPUTDEV, PCIS_INPUTDEV_DIGITIZER,"digitizer"},
480 {PCIC_INPUTDEV, PCIS_INPUTDEV_MOUSE, "mouse"},
481 {PCIC_INPUTDEV, PCIS_INPUTDEV_SCANNER, "scanner"},
482 {PCIC_INPUTDEV, PCIS_INPUTDEV_GAMEPORT, "gameport"},
483 {PCIC_DOCKING, -1, "docking station"},
484 {PCIC_PROCESSOR, -1, "processor"},
485 {PCIC_SERIALBUS, -1, "serial bus"},
486 {PCIC_SERIALBUS, PCIS_SERIALBUS_FW, "FireWire"},
487 {PCIC_SERIALBUS, PCIS_SERIALBUS_ACCESS, "AccessBus"},
488 {PCIC_SERIALBUS, PCIS_SERIALBUS_SSA, "SSA"},
489 {PCIC_SERIALBUS, PCIS_SERIALBUS_USB, "USB"},
490 {PCIC_SERIALBUS, PCIS_SERIALBUS_FC, "Fibre Channel"},
491 {PCIC_SERIALBUS, PCIS_SERIALBUS_SMBUS, "SMBus"},
492 {PCIC_WIRELESS, -1, "wireless controller"},
493 {PCIC_WIRELESS, PCIS_WIRELESS_IRDA, "iRDA"},
494 {PCIC_WIRELESS, PCIS_WIRELESS_IR, "IR"},
495 {PCIC_WIRELESS, PCIS_WIRELESS_RF, "RF"},
496 {PCIC_INTELLIIO, -1, "intelligent I/O controller"},
497 {PCIC_INTELLIIO, PCIS_INTELLIIO_I2O, "I2O"},
498 {PCIC_SATCOM, -1, "satellite communication"},
499 {PCIC_SATCOM, PCIS_SATCOM_TV, "sat TV"},
500 {PCIC_SATCOM, PCIS_SATCOM_AUDIO, "sat audio"},
501 {PCIC_SATCOM, PCIS_SATCOM_VOICE, "sat voice"},
502 {PCIC_SATCOM, PCIS_SATCOM_DATA, "sat data"},
503 {PCIC_CRYPTO, -1, "encrypt/decrypt"},
504 {PCIC_CRYPTO, PCIS_CRYPTO_NETCOMP, "network/computer crypto"},
505 {PCIC_CRYPTO, PCIS_CRYPTO_NETCOMP, "entertainment crypto"},
506 {PCIC_DASP, -1, "dasp"},
507 {PCIC_DASP, PCIS_DASP_DPIO, "DPIO module"},
512 guess_class(struct pci_conf *p)
516 for (i = 0; pci_nomatch_tab[i].desc != NULL; i++) {
517 if (pci_nomatch_tab[i].class == p->pc_class)
518 return(pci_nomatch_tab[i].desc);
524 guess_subclass(struct pci_conf *p)
528 for (i = 0; pci_nomatch_tab[i].desc != NULL; i++) {
529 if ((pci_nomatch_tab[i].class == p->pc_class) &&
530 (pci_nomatch_tab[i].subclass == p->pc_subclass))
531 return(pci_nomatch_tab[i].desc);
541 struct pci_vendor_info *cv;
542 struct pci_device_info *cd;
543 char buf[1024], str[1024];
548 * Locate the database and initialise.
550 TAILQ_INIT(&pci_vendors);
551 if ((dbf = getenv("PCICONF_VENDOR_DATABASE")) == NULL)
553 if ((db = fopen(dbf, "r")) == NULL)
560 * Scan input lines from the database
563 if (fgets(buf, sizeof(buf), db) == NULL)
566 if ((ch = strchr(buf, '#')) != NULL)
568 ch = strchr(buf, '\0') - 1;
569 while (ch > buf && isspace(*ch))
574 /* Can't handle subvendor / subdevice entries yet */
575 if (buf[0] == '\t' && buf[1] == '\t')
578 /* Check for vendor entry */
579 if (buf[0] != '\t' && sscanf(buf, "%04x %[^\n]", &id, str) == 2) {
580 if ((id == 0) || (strlen(str) < 1))
582 if ((cv = malloc(sizeof(struct pci_vendor_info))) == NULL) {
583 warn("allocating vendor entry");
587 if ((cv->desc = strdup(str)) == NULL) {
589 warn("allocating vendor description");
594 TAILQ_INIT(&cv->devs);
595 TAILQ_INSERT_TAIL(&pci_vendors, cv, link);
599 /* Check for device entry */
600 if (buf[0] == '\t' && sscanf(buf + 1, "%04x %[^\n]", &id, str) == 2) {
601 if ((id == 0) || (strlen(str) < 1))
604 warnx("device entry with no vendor!");
607 if ((cd = malloc(sizeof(struct pci_device_info))) == NULL) {
608 warn("allocating device entry");
612 if ((cd->desc = strdup(str)) == NULL) {
614 warn("allocating device description");
619 TAILQ_INSERT_TAIL(&cv->devs, cd, link);
623 /* It's a comment or junk, ignore it */
633 read_config(int fd, struct pcisel *sel, long reg, int width)
641 if (ioctl(fd, PCIOCREAD, &pi) < 0)
642 err(1, "ioctl(PCIOCREAD)");
648 getdevice(const char *name)
650 struct pci_conf_io pc;
651 struct pci_conf conf[1];
652 struct pci_match_conf patterns[1];
656 fd = open(_PATH_DEVPCI, O_RDONLY, 0);
658 err(1, "%s", _PATH_DEVPCI);
660 bzero(&pc, sizeof(struct pci_conf_io));
661 pc.match_buf_len = sizeof(conf);
664 bzero(&patterns, sizeof(patterns));
667 * The pattern structure requires the unit to be split out from
668 * the driver name. Walk backwards from the end of the name to
669 * find the start of the unit.
672 errx(1, "Empty device name");
673 cp = strchr(name, '\0');
674 assert(cp != NULL && cp != name);
676 while (cp != name && isdigit(cp[-1]))
678 if (cp == name || !isdigit(*cp))
679 errx(1, "Invalid device name");
680 if ((size_t)(cp - name) + 1 > sizeof(patterns[0].pd_name))
681 errx(1, "Device name is too long");
682 memcpy(patterns[0].pd_name, name, cp - name);
683 patterns[0].pd_unit = strtol(cp, &cp, 10);
685 patterns[0].flags = PCI_GETCONF_MATCH_NAME | PCI_GETCONF_MATCH_UNIT;
687 pc.pat_buf_len = sizeof(patterns);
688 pc.patterns = patterns;
690 if (ioctl(fd, PCIOCGETCONF, &pc) == -1)
691 err(1, "ioctl(PCIOCGETCONF)");
692 if (pc.status != PCI_GETCONF_LAST_DEVICE &&
693 pc.status != PCI_GETCONF_MORE_DEVS)
694 errx(1, "error returned from PCIOCGETCONF ioctl");
696 if (pc.num_matches == 0)
697 errx(1, "Device not found");
698 return (conf[0].pc_sel);
702 parsesel(const char *str)
704 char *ep = strchr(str, '@');
707 unsigned long selarr[4];
717 if (strncmp(ep, "pci", 3) == 0) {
721 selarr[i++] = strtoul(ep, &ep, 10);
722 } while ((*ep == ':' || *ep == '.') && *++ep != '\0' && i < 4);
725 sel.pc_func = selarr[--i];
728 sel.pc_dev = selarr[--i];
729 sel.pc_bus = selarr[--i];
731 sel.pc_domain = selarr[--i];
735 if (*ep != '\x0' || ep == epbase)
736 errx(1, "cannot parse selector %s", str);
741 getsel(const char *str)
745 * No device names contain colons and selectors always contain
746 * at least one colon.
748 if (strchr(str, ':') == NULL)
749 return (getdevice(str));
751 return (parsesel(str));
755 readone(int fd, struct pcisel *sel, long reg, int width)
758 printf("%0*x", width*2, read_config(fd, sel, reg, width));
762 readit(const char *name, const char *reg, int width)
772 fd = open(_PATH_DEVPCI, O_RDWR, 0);
774 err(1, "%s", _PATH_DEVPCI);
776 rend = rstart = strtol(reg, &end, 0);
777 if (end && *end == ':') {
779 rend = strtol(end, (char **) 0, 0);
782 for (i = 1, r = rstart; r <= rend; i++, r += width) {
783 readone(fd, &sel, r, width);
786 putchar(i % (16/width) ? ' ' : '\n');
788 if (i % (16/width) != 1)
794 writeit(const char *name, const char *reg, const char *data, int width)
799 pi.pi_sel = getsel(name);
800 pi.pi_reg = strtoul(reg, (char **)0, 0); /* XXX error check */
802 pi.pi_data = strtoul(data, (char **)0, 0); /* XXX error check */
804 fd = open(_PATH_DEVPCI, O_RDWR, 0);
806 err(1, "%s", _PATH_DEVPCI);
808 if (ioctl(fd, PCIOCWRITE, &pi) < 0)
809 err(1, "ioctl(PCIOCWRITE)");
813 chkattached(const char *name)
818 pi.pi_sel = getsel(name);
820 fd = open(_PATH_DEVPCI, O_RDWR, 0);
822 err(1, "%s", _PATH_DEVPCI);
824 if (ioctl(fd, PCIOCATTACHED, &pi) < 0)
825 err(1, "ioctl(PCIOCATTACHED)");
827 exitstatus = pi.pi_data ? 0 : 2; /* exit(2), if NOT attached */
828 printf("%s: %s%s\n", name, pi.pi_data == 0 ? "not " : "", "attached");