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drm/radeon: Finish replacing task queues by Linux work queues
[dragonfly.git] / usr.sbin / pciconf / pciconf.c
blob97b5dc704d2feb304b8c8fb10a77916fd3e3c5b4
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_bridge(int fd, struct pci_conf *p);
68 static void list_devs(int verbose, int bars, int bridge, int caps,
69 int errors);
70 static void list_verbose(struct pci_conf *p);
71 static const char *guess_class(struct pci_conf *p);
72 static const char *guess_subclass(struct pci_conf *p);
73 static int load_vendors(void);
74 static void readit(const char *, const char *, int);
75 static void writeit(const char *, const char *, const char *, int);
76 static void chkattached(const char *);
77
78 static int exitstatus = 0;
79
80 static void
81 usage(void)
82 {
83 fprintf(stderr, "%s\n%s\n%s\n%s\n",
84 "usage: pciconf -l [-bcv]",
85 " pciconf -a selector",
86 " pciconf -r [-b | -h] selector addr[:addr2]",
87 " pciconf -w [-b | -h] selector addr value");
88 exit (1);
89 }
90
91 int
92 main(int argc, char **argv)
93 {
94 int c;
95 int listmode, readmode, writemode, attachedmode, bars, caps, verbose;
96 int byte, isshort;
97 int errors, bridge;
98
99 listmode = readmode = writemode = 0;
100 attachedmode = bars = caps = verbose = byte = isshort = 0;
101 errors = bridge = 0;
102
103 while ((c = getopt(argc, argv, "abchlrwv")) != -1) {
104 switch(c) {
105 case 'a':
106 attachedmode = 1;
107 break;
108
109 case 'B':
110 bridge = 1;
111 break;
112
113 case 'b':
114 bars = 1;
115 byte = 1;
116 break;
117
118 case 'c':
119 caps = 1;
120 break;
121
122 case 'e':
123 errors = 1;
124 break;
125
126 case 'h':
127 isshort = 1;
128 break;
129
130 case 'l':
131 listmode = 1;
132 break;
133
134 case 'r':
135 readmode = 1;
136 break;
137
138 case 'w':
139 writemode = 1;
140 break;
141
142 case 'v':
143 verbose = 1;
144 break;
145
146 default:
147 usage();
148 }
149 }
150
151 if ((listmode && optind != argc)
152 || (writemode && optind + 3 != argc)
153 || (readmode && optind + 2 != argc)
154 || (attachedmode && optind + 1 != argc))
155 usage();
156
157 if (listmode) {
158 list_devs(verbose, bars, bridge, caps, errors);
159 } else if (attachedmode) {
160 chkattached(argv[optind]);
161 } else if (readmode) {
162 readit(argv[optind], argv[optind + 1],
163 byte ? 1 : isshort ? 2 : 4);
164 } else if (writemode) {
165 writeit(argv[optind], argv[optind + 1], argv[optind + 2],
166 byte ? 1 : isshort ? 2 : 4);
167 } else {
168 usage();
169 }
170
171 return exitstatus;
172 }
173
174 static void
175 list_devs(int verbose, int bars, int bridge, int caps, int errors)
176 {
177 int fd;
178 struct pci_conf_io pc;
179 struct pci_conf conf[255], *p;
180 int none_count = 0;
181
182 if (verbose)
183 load_vendors();
184
185 fd = open(_PATH_DEVPCI, (bridge || caps || errors) ?
186 O_RDWR : O_RDONLY, 0);
187 if (fd < 0)
188 err(1, "%s", _PATH_DEVPCI);
189
190 bzero(&pc, sizeof(struct pci_conf_io));
191 pc.match_buf_len = sizeof(conf);
192 pc.matches = conf;
193
194 do {
195 if (ioctl(fd, PCIOCGETCONF, &pc) == -1)
196 err(1, "ioctl(PCIOCGETCONF)");
197
198 /*
199 * 255 entries should be more than enough for most people,
200 * but if someone has more devices, and then changes things
201 * around between ioctls, we'll do the cheesy thing and
202 * just bail. The alternative would be to go back to the
203 * beginning of the list, and print things twice, which may
204 * not be desirable.
205 */
206 if (pc.status == PCI_GETCONF_LIST_CHANGED) {
207 warnx("PCI device list changed, please try again");
208 exitstatus = 1;
209 close(fd);
210 return;
211 } else if (pc.status == PCI_GETCONF_ERROR) {
212 warnx("error returned from PCIOCGETCONF ioctl");
213 exitstatus = 1;
214 close(fd);
215 return;
216 }
217 for (p = conf; p < &conf[pc.num_matches]; p++) {
218 printf("%s%d@pci%d:%d:%d:%d:\tclass=0x%06x card=0x%08x "
219 "chip=0x%08x rev=0x%02x hdr=0x%02x\n",
220 (p->pd_name && *p->pd_name) ? p->pd_name :
221 "none",
222 (p->pd_name && *p->pd_name) ? (int)p->pd_unit :
223 none_count++, p->pc_sel.pc_domain,
224 p->pc_sel.pc_bus, p->pc_sel.pc_dev,
225 p->pc_sel.pc_func, (p->pc_class << 16) |
226 (p->pc_subclass << 8) | p->pc_progif,
227 (p->pc_subdevice << 16) | p->pc_subvendor,
228 (p->pc_device << 16) | p->pc_vendor,
229 p->pc_revid, p->pc_hdr);
230 if (verbose)
231 list_verbose(p);
232 if (bars)
233 list_bars(fd, p);
234 if (bridge)
235 list_bridge(fd, p);
236 if (caps)
237 list_caps(fd, p);
238 if (errors)
239 list_errors(fd, p);
240 }
241 } while (pc.status == PCI_GETCONF_MORE_DEVS);
242
243 close(fd);
244 }
245
246 static void
247 print_bus_range(int fd, struct pci_conf *p, int secreg, int subreg)
248 {
249 uint8_t secbus, subbus;
250
251 secbus = read_config(fd, &p->pc_sel, secreg, 1);
252 subbus = read_config(fd, &p->pc_sel, subreg, 1);
253 printf(" bus range = %u-%u\n", secbus, subbus);
254 }
255
256 static void
257 print_window(int reg, const char *type, int range, uint64_t base,
258 uint64_t limit)
259 {
260
261 printf(" window[%02x] = type %s, range %2d, addr %#jx-%#jx, %s\n",
262 reg, type, range, (uintmax_t)base, (uintmax_t)limit,
263 base < limit ? "enabled" : "disabled");
264 }
265
266 static void
267 print_special_decode(int isa, int vga, int subtractive)
268 {
269 int comma;
270
271 if (isa || vga || subtractive) {
272 comma = 0;
273 printf(" decode = ");
274 if (isa) {
275 printf("ISA");
276 comma = 1;
277 }
278 if (vga) {
279 printf("%sVGA", comma ? ", " : "");
280 comma = 1;
281 }
282 if (subtractive)
283 printf("%ssubtractive", comma ? ", " : "");
284 printf("\n");
285 }
286 }
287
288 static void
289 print_bridge_windows(int fd, struct pci_conf *p)
290 {
291 uint64_t base, limit;
292 uint32_t val;
293 uint16_t bctl;
294 int subtractive;
295 int range;
296
297 /*
298 * XXX: This assumes that a window with a base and limit of 0
299 * is not implemented. In theory a window might be programmed
300 * at the smallest size with a base of 0, but those do not seem
301 * common in practice.
302 */
303 val = read_config(fd, &p->pc_sel, PCIR_IOBASEL_1, 1);
304 if (val != 0 || read_config(fd, &p->pc_sel, PCIR_IOLIMITL_1, 1) != 0) {
305 if ((val & PCIM_BRIO_MASK) == PCIM_BRIO_32) {
306 base = PCI_PPBIOBASE(
307 read_config(fd, &p->pc_sel, PCIR_IOBASEH_1, 2),
308 val);
309 limit = PCI_PPBIOLIMIT(
310 read_config(fd, &p->pc_sel, PCIR_IOLIMITH_1, 2),
311 read_config(fd, &p->pc_sel, PCIR_IOLIMITL_1, 1));
312 range = 32;
313 } else {
314 base = PCI_PPBIOBASE(0, val);
315 limit = PCI_PPBIOLIMIT(0,
316 read_config(fd, &p->pc_sel, PCIR_IOLIMITL_1, 1));
317 range = 16;
318 }
319 print_window(PCIR_IOBASEL_1, "I/O Port", range, base, limit);
320 }
321
322 base = PCI_PPBMEMBASE(0,
323 read_config(fd, &p->pc_sel, PCIR_MEMBASE_1, 2));
324 limit = PCI_PPBMEMLIMIT(0,
325 read_config(fd, &p->pc_sel, PCIR_MEMLIMIT_1, 2));
326 print_window(PCIR_MEMBASE_1, "Memory", 32, base, limit);
327
328 val = read_config(fd, &p->pc_sel, PCIR_PMBASEL_1, 2);
329 if (val != 0 || read_config(fd, &p->pc_sel, PCIR_PMLIMITL_1, 2) != 0) {
330 if ((val & PCIM_BRPM_MASK) == PCIM_BRPM_64) {
331 base = PCI_PPBMEMBASE(
332 read_config(fd, &p->pc_sel, PCIR_PMBASEH_1, 4),
333 val);
334 limit = PCI_PPBMEMLIMIT(
335 read_config(fd, &p->pc_sel, PCIR_PMLIMITH_1, 4),
336 read_config(fd, &p->pc_sel, PCIR_PMLIMITL_1, 2));
337 range = 64;
338 } else {
339 base = PCI_PPBMEMBASE(0, val);
340 limit = PCI_PPBMEMLIMIT(0,
341 read_config(fd, &p->pc_sel, PCIR_PMLIMITL_1, 2));
342 range = 32;
343 }
344 print_window(PCIR_PMBASEL_1, "Prefetchable Memory", range, base,
345 limit);
346 }
347
348 /*
349 * XXX: This list of bridges that are subtractive but do not set
350 * progif to indicate it is copied from pci_pci.c.
351 */
352 subtractive = p->pc_progif == PCIP_BRIDGE_PCI_SUBTRACTIVE;
353 switch (p->pc_device << 16 | p->pc_vendor) {
354 case 0xa002177d: /* Cavium ThunderX */
355 case 0x124b8086: /* Intel 82380FB Mobile */
356 case 0x060513d7: /* Toshiba ???? */
357 subtractive = 1;
358 }
359 if (p->pc_vendor == 0x8086 && (p->pc_device & 0xff00) == 0x2400)
360 subtractive = 1;
361
362 bctl = read_config(fd, &p->pc_sel, PCIR_BRIDGECTL_1, 2);
363 print_special_decode(bctl & PCIB_BCR_ISA_ENABLE,
364 bctl & PCIB_BCR_VGA_ENABLE, subtractive);
365 }
366
367 static void
368 print_cardbus_mem_window(int fd, struct pci_conf *p, int basereg, int limitreg,
369 int prefetch)
370 {
371
372 print_window(basereg, prefetch ? "Prefetchable Memory" : "Memory", 32,
373 PCI_CBBMEMBASE(read_config(fd, &p->pc_sel, basereg, 4)),
374 PCI_CBBMEMLIMIT(read_config(fd, &p->pc_sel, limitreg, 4)));
375 }
376
377 static void
378 print_cardbus_io_window(int fd, struct pci_conf *p, int basereg, int limitreg)
379 {
380 uint32_t base, limit;
381 uint32_t val;
382 int range;
383
384 val = read_config(fd, &p->pc_sel, basereg, 2);
385 if ((val & PCIM_CBBIO_MASK) == PCIM_CBBIO_32) {
386 base = PCI_CBBIOBASE(read_config(fd, &p->pc_sel, basereg, 4));
387 limit = PCI_CBBIOBASE(read_config(fd, &p->pc_sel, limitreg, 4));
388 range = 32;
389 } else {
390 base = PCI_CBBIOBASE(val);
391 limit = PCI_CBBIOBASE(read_config(fd, &p->pc_sel, limitreg, 2));
392 range = 16;
393 }
394 print_window(basereg, "I/O Port", range, base, limit);
395 }
396
397 static void
398 print_cardbus_windows(int fd, struct pci_conf *p)
399 {
400 uint16_t bctl;
401
402 bctl = read_config(fd, &p->pc_sel, PCIR_BRIDGECTL_2, 2);
403 print_cardbus_mem_window(fd, p, PCIR_MEMBASE0_2, PCIR_MEMLIMIT0_2,
404 bctl & CBB_BCR_PREFETCH_0_ENABLE);
405 print_cardbus_mem_window(fd, p, PCIR_MEMBASE1_2, PCIR_MEMLIMIT1_2,
406 bctl & CBB_BCR_PREFETCH_1_ENABLE);
407 print_cardbus_io_window(fd, p, PCIR_IOBASE0_2, PCIR_IOLIMIT0_2);
408 print_cardbus_io_window(fd, p, PCIR_IOBASE1_2, PCIR_IOLIMIT1_2);
409 print_special_decode(bctl & CBB_BCR_ISA_ENABLE,
410 bctl & CBB_BCR_VGA_ENABLE, 0);
411 }
412
413 static void
414 list_bridge(int fd, struct pci_conf *p)
415 {
416
417 switch (p->pc_hdr & PCIM_HDRTYPE) {
418 case PCIM_HDRTYPE_BRIDGE:
419 print_bus_range(fd, p, PCIR_SECBUS_1, PCIR_SUBBUS_1);
420 print_bridge_windows(fd, p);
421 break;
422 case PCIM_HDRTYPE_CARDBUS:
423 print_bus_range(fd, p, PCIR_SECBUS_2, PCIR_SUBBUS_2);
424 print_cardbus_windows(fd, p);
425 break;
426 }
427 }
428
429 static void
430 list_bars(int fd, struct pci_conf *p)
431 {
432 struct pci_bar_io bar;
433 uint64_t base;
434 const char *type;
435 int i, range, max;
436
437 switch (p->pc_hdr & PCIM_HDRTYPE) {
438 case PCIM_HDRTYPE_NORMAL:
439 max = PCIR_MAX_BAR_0;
440 break;
441 case PCIM_HDRTYPE_BRIDGE:
442 max = PCIR_MAX_BAR_1;
443 break;
444 case PCIM_HDRTYPE_CARDBUS:
445 max = PCIR_MAX_BAR_2;
446 break;
447 default:
448 return;
449 }
450
451 for (i = 0; i <= max; i++) {
452 bar.pbi_sel = p->pc_sel;
453 bar.pbi_reg = PCIR_BAR(i);
454 if (ioctl(fd, PCIOCGETBAR, &bar) < 0)
455 continue;
456 if (PCI_BAR_IO(bar.pbi_base)) {
457 type = "I/O Port";
458 range = 32;
459 base = bar.pbi_base & PCIM_BAR_IO_BASE;
460 } else {
461 if (bar.pbi_base & PCIM_BAR_MEM_PREFETCH)
462 type = "Prefetchable Memory";
463 else
464 type = "Memory";
465 switch (bar.pbi_base & PCIM_BAR_MEM_TYPE) {
466 case PCIM_BAR_MEM_32:
467 range = 32;
468 break;
469 case PCIM_BAR_MEM_1MB:
470 range = 20;
471 break;
472 case PCIM_BAR_MEM_64:
473 range = 64;
474 break;
475 default:
476 range = -1;
477 }
478 base = bar.pbi_base & ~((uint64_t)0xf);
479 }
480 printf(" bar [%02x] = type %s, range %2d, base %#jx, ",
481 PCIR_BAR(i), type, range, (uintmax_t)base);
482 printf("size %2d, %s\n", (int)bar.pbi_length,
483 bar.pbi_enabled ? "enabled" : "disabled");
484 }
485 }
486
487 static void
488 list_verbose(struct pci_conf *p)
489 {
490 struct pci_vendor_info *vi;
491 struct pci_device_info *di;
492 const char *dp;
493
494 TAILQ_FOREACH(vi, &pci_vendors, link) {
495 if (vi->id == p->pc_vendor) {
496 printf(" vendor = '%s'\n", vi->desc);
497 break;
498 }
499 }
500 if (vi == NULL) {
501 di = NULL;
502 } else {
503 TAILQ_FOREACH(di, &vi->devs, link) {
504 if (di->id == p->pc_device) {
505 printf(" device = '%s'\n", di->desc);
506 break;
507 }
508 }
509 }
510 if ((dp = guess_class(p)) != NULL)
511 printf(" class = %s\n", dp);
512 if ((dp = guess_subclass(p)) != NULL)
513 printf(" subclass = %s\n", dp);
514 }
515
516 /*
517 * This is a direct cut-and-paste from the table in sys/bus/pci/pcireg.h.
518 */
519 static struct
520 {
521 int class;
522 int subclass;
523 const char *desc;
524 } pci_nomatch_tab[] = {
525 {PCIC_OLD, -1, "old"},
526 {PCIC_OLD, PCIS_OLD_NONVGA, "non-VGA display device"},
527 {PCIC_OLD, PCIS_OLD_VGA, "VGA-compatible display device"},
528 {PCIC_STORAGE, -1, "mass storage"},
529 {PCIC_STORAGE, PCIS_STORAGE_SCSI, "SCSI"},
530 {PCIC_STORAGE, PCIS_STORAGE_IDE, "ATA"},
531 {PCIC_STORAGE, PCIS_STORAGE_FLOPPY, "floppy disk"},
532 {PCIC_STORAGE, PCIS_STORAGE_IPI, "IPI"},
533 {PCIC_STORAGE, PCIS_STORAGE_RAID, "RAID"},
534 {PCIC_STORAGE, PCIS_STORAGE_ATA_ADMA, "ATA (ADMA)"},
535 {PCIC_STORAGE, PCIS_STORAGE_SATA, "SATA"},
536 {PCIC_STORAGE, PCIS_STORAGE_SAS, "SAS"},
537 {PCIC_NETWORK, -1, "network"},
538 {PCIC_NETWORK, PCIS_NETWORK_ETHERNET, "ethernet"},
539 {PCIC_NETWORK, PCIS_NETWORK_TOKENRING, "token ring"},
540 {PCIC_NETWORK, PCIS_NETWORK_FDDI, "fddi"},
541 {PCIC_NETWORK, PCIS_NETWORK_ATM, "ATM"},
542 {PCIC_NETWORK, PCIS_NETWORK_ISDN, "ISDN"},
543 {PCIC_DISPLAY, -1, "display"},
544 {PCIC_DISPLAY, PCIS_DISPLAY_VGA, "VGA"},
545 {PCIC_DISPLAY, PCIS_DISPLAY_XGA, "XGA"},
546 {PCIC_DISPLAY, PCIS_DISPLAY_3D, "3D"},
547 {PCIC_MULTIMEDIA, -1, "multimedia"},
548 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_VIDEO, "video"},
549 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_AUDIO, "audio"},
550 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_TELE, "telephony"},
551 {PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_HDA, "HDA"},
552 {PCIC_MEMORY, -1, "memory"},
553 {PCIC_MEMORY, PCIS_MEMORY_RAM, "RAM"},
554 {PCIC_MEMORY, PCIS_MEMORY_FLASH, "flash"},
555 {PCIC_BRIDGE, -1, "bridge"},
556 {PCIC_BRIDGE, PCIS_BRIDGE_HOST, "HOST-PCI"},
557 {PCIC_BRIDGE, PCIS_BRIDGE_ISA, "PCI-ISA"},
558 {PCIC_BRIDGE, PCIS_BRIDGE_EISA, "PCI-EISA"},
559 {PCIC_BRIDGE, PCIS_BRIDGE_MCA, "PCI-MCA"},
560 {PCIC_BRIDGE, PCIS_BRIDGE_PCI, "PCI-PCI"},
561 {PCIC_BRIDGE, PCIS_BRIDGE_PCMCIA, "PCI-PCMCIA"},
562 {PCIC_BRIDGE, PCIS_BRIDGE_NUBUS, "PCI-NuBus"},
563 {PCIC_BRIDGE, PCIS_BRIDGE_CARDBUS, "PCI-CardBus"},
564 {PCIC_BRIDGE, PCIS_BRIDGE_RACEWAY, "PCI-RACEway"},
565 {PCIC_SIMPLECOMM, -1, "simple comms"},
566 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_UART, "UART"}, /* could detect 16550 */
567 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_PAR, "parallel port"},
568 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_MULSER, "multiport serial"},
569 {PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_MODEM, "generic modem"},
570 {PCIC_BASEPERIPH, -1, "base peripheral"},
571 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_PIC, "interrupt controller"},
572 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_DMA, "DMA controller"},
573 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_TIMER, "timer"},
574 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_RTC, "realtime clock"},
575 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_PCIHOT, "PCI hot-plug controller"},
576 {PCIC_BASEPERIPH, PCIS_BASEPERIPH_SDHC, "SD host controller"},
577 {PCIC_INPUTDEV, -1, "input device"},
578 {PCIC_INPUTDEV, PCIS_INPUTDEV_KEYBOARD, "keyboard"},
579 {PCIC_INPUTDEV, PCIS_INPUTDEV_DIGITIZER,"digitizer"},
580 {PCIC_INPUTDEV, PCIS_INPUTDEV_MOUSE, "mouse"},
581 {PCIC_INPUTDEV, PCIS_INPUTDEV_SCANNER, "scanner"},
582 {PCIC_INPUTDEV, PCIS_INPUTDEV_GAMEPORT, "gameport"},
583 {PCIC_DOCKING, -1, "docking station"},
584 {PCIC_PROCESSOR, -1, "processor"},
585 {PCIC_SERIALBUS, -1, "serial bus"},
586 {PCIC_SERIALBUS, PCIS_SERIALBUS_FW, "FireWire"},
587 {PCIC_SERIALBUS, PCIS_SERIALBUS_ACCESS, "AccessBus"},
588 {PCIC_SERIALBUS, PCIS_SERIALBUS_SSA, "SSA"},
589 {PCIC_SERIALBUS, PCIS_SERIALBUS_USB, "USB"},
590 {PCIC_SERIALBUS, PCIS_SERIALBUS_FC, "Fibre Channel"},
591 {PCIC_SERIALBUS, PCIS_SERIALBUS_SMBUS, "SMBus"},
592 {PCIC_WIRELESS, -1, "wireless controller"},
593 {PCIC_WIRELESS, PCIS_WIRELESS_IRDA, "iRDA"},
594 {PCIC_WIRELESS, PCIS_WIRELESS_IR, "IR"},
595 {PCIC_WIRELESS, PCIS_WIRELESS_RF, "RF"},
596 {PCIC_INTELLIIO, -1, "intelligent I/O controller"},
597 {PCIC_INTELLIIO, PCIS_INTELLIIO_I2O, "I2O"},
598 {PCIC_SATCOM, -1, "satellite communication"},
599 {PCIC_SATCOM, PCIS_SATCOM_TV, "sat TV"},
600 {PCIC_SATCOM, PCIS_SATCOM_AUDIO, "sat audio"},
601 {PCIC_SATCOM, PCIS_SATCOM_VOICE, "sat voice"},
602 {PCIC_SATCOM, PCIS_SATCOM_DATA, "sat data"},
603 {PCIC_CRYPTO, -1, "encrypt/decrypt"},
604 {PCIC_CRYPTO, PCIS_CRYPTO_NETCOMP, "network/computer crypto"},
605 {PCIC_CRYPTO, PCIS_CRYPTO_NETCOMP, "entertainment crypto"},
606 {PCIC_DASP, -1, "dasp"},
607 {PCIC_DASP, PCIS_DASP_DPIO, "DPIO module"},
608 {0, 0, NULL}
609 };
610
611 static const char *
612 guess_class(struct pci_conf *p)
613 {
614 int i;
615
616 for (i = 0; pci_nomatch_tab[i].desc != NULL; i++) {
617 if (pci_nomatch_tab[i].class == p->pc_class)
618 return(pci_nomatch_tab[i].desc);
619 }
620 return(NULL);
621 }
622
623 static const char *
624 guess_subclass(struct pci_conf *p)
625 {
626 int i;
627
628 for (i = 0; pci_nomatch_tab[i].desc != NULL; i++) {
629 if ((pci_nomatch_tab[i].class == p->pc_class) &&
630 (pci_nomatch_tab[i].subclass == p->pc_subclass))
631 return(pci_nomatch_tab[i].desc);
632 }
633 return(NULL);
634 }
635
636 static int
637 load_vendors(void)
638 {
639 const char *dbf;
640 FILE *db;
641 struct pci_vendor_info *cv;
642 struct pci_device_info *cd;
643 char buf[1024], str[1024];
644 char *ch;
645 int id, error;
646
647 /*
648 * Locate the database and initialise.
649 */
650 TAILQ_INIT(&pci_vendors);
651 if ((dbf = getenv("PCICONF_VENDOR_DATABASE")) == NULL)
652 dbf = _PATH_PCIVDB;
653 if ((db = fopen(dbf, "r")) == NULL)
654 return(1);
655 cv = NULL;
656 cd = NULL;
657 error = 0;
658
659 /*
660 * Scan input lines from the database
661 */
662 for (;;) {
663 if (fgets(buf, sizeof(buf), db) == NULL)
664 break;
665
666 if ((ch = strchr(buf, '#')) != NULL)
667 *ch = '\0';
668 ch = strchr(buf, '\0') - 1;
669 while (ch > buf && isspace(*ch))
670 *ch-- = '\0';
671 if (ch <= buf)
672 continue;
673
674 /* Can't handle subvendor / subdevice entries yet */
675 if (buf[0] == '\t' && buf[1] == '\t')
676 continue;
677
678 /* Check for vendor entry */
679 if (buf[0] != '\t' && sscanf(buf, "%04x %[^\n]", &id, str) == 2) {
680 if ((id == 0) || (strlen(str) < 1))
681 continue;
682 if ((cv = malloc(sizeof(struct pci_vendor_info))) == NULL) {
683 warn("allocating vendor entry");
684 error = 1;
685 break;
686 }
687 if ((cv->desc = strdup(str)) == NULL) {
688 free(cv);
689 warn("allocating vendor description");
690 error = 1;
691 break;
692 }
693 cv->id = id;
694 TAILQ_INIT(&cv->devs);
695 TAILQ_INSERT_TAIL(&pci_vendors, cv, link);
696 continue;
697 }
698
699 /* Check for device entry */
700 if (buf[0] == '\t' && sscanf(buf + 1, "%04x %[^\n]", &id, str) == 2) {
701 if ((id == 0) || (strlen(str) < 1))
702 continue;
703 if (cv == NULL) {
704 warnx("device entry with no vendor!");
705 continue;
706 }
707 if ((cd = malloc(sizeof(struct pci_device_info))) == NULL) {
708 warn("allocating device entry");
709 error = 1;
710 break;
711 }
712 if ((cd->desc = strdup(str)) == NULL) {
713 free(cd);
714 warn("allocating device description");
715 error = 1;
716 break;
717 }
718 cd->id = id;
719 TAILQ_INSERT_TAIL(&cv->devs, cd, link);
720 continue;
721 }
722
723 /* It's a comment or junk, ignore it */
724 }
725 if (ferror(db))
726 error = 1;
727 fclose(db);
728
729 return(error);
730 }
731
732 uint32_t
733 read_config(int fd, struct pcisel *sel, long reg, int width)
734 {
735 struct pci_io pi;
736
737 pi.pi_sel = *sel;
738 pi.pi_reg = reg;
739 pi.pi_width = width;
740
741 if (ioctl(fd, PCIOCREAD, &pi) < 0)
742 err(1, "ioctl(PCIOCREAD)");
743
744 return (pi.pi_data);
745 }
746
747 static struct pcisel
748 getsel(const char *str)
749 {
750 char *ep = strchr(str, '@');
751 char *epbase;
752 struct pcisel sel = {0,0,0,0};
753 unsigned long selarr[4];
754 int i;
755
756 if (ep == NULL)
757 ep = __DECONST(char *, str);
758 else
759 ep++;
760
761 epbase = ep;
762
763 if (strncmp(ep, "pci", 3) == 0) {
764 ep += 3;
765 i = 0;
766 do {
767 selarr[i++] = strtoul(ep, &ep, 10);
768 } while ((*ep == ':' || *ep == '.') && *++ep != '\0' && i < 4);
769
770 if (i > 2)
771 sel.pc_func = selarr[--i];
772 else
773 sel.pc_func = 0;
774 sel.pc_dev = selarr[--i];
775 sel.pc_bus = selarr[--i];
776 if (i > 0)
777 sel.pc_domain = selarr[--i];
778 else
779 sel.pc_domain = 0;
780 }
781 if (*ep != '\x0' || ep == epbase)
782 errx(1, "cannot parse selector %s", str);
783 return sel;
784 }
785
786 static void
787 readone(int fd, struct pcisel *sel, long reg, int width)
788 {
789
790 printf("%0*x", width*2, read_config(fd, sel, reg, width));
791 }
792
793 static void
794 readit(const char *name, const char *reg, int width)
795 {
796 long rstart;
797 long rend;
798 long r;
799 char *end;
800 int i;
801 int fd;
802 struct pcisel sel;
803
804 fd = open(_PATH_DEVPCI, O_RDWR, 0);
805 if (fd < 0)
806 err(1, "%s", _PATH_DEVPCI);
807
808 rend = rstart = strtol(reg, &end, 0);
809 if (end && *end == ':') {
810 end++;
811 rend = strtol(end, (char **) 0, 0);
812 }
813 sel = getsel(name);
814 for (i = 1, r = rstart; r <= rend; i++, r += width) {
815 readone(fd, &sel, r, width);
816 if (i && !(i % 8))
817 putchar(' ');
818 putchar(i % (16/width) ? ' ' : '\n');
819 }
820 if (i % (16/width) != 1)
821 putchar('\n');
822 close(fd);
823 }
824
825 static void
826 writeit(const char *name, const char *reg, const char *data, int width)
827 {
828 int fd;
829 struct pci_io pi;
830
831 pi.pi_sel = getsel(name);
832 pi.pi_reg = strtoul(reg, (char **)0, 0); /* XXX error check */
833 pi.pi_width = width;
834 pi.pi_data = strtoul(data, (char **)0, 0); /* XXX error check */
835
836 fd = open(_PATH_DEVPCI, O_RDWR, 0);
837 if (fd < 0)
838 err(1, "%s", _PATH_DEVPCI);
839
840 if (ioctl(fd, PCIOCWRITE, &pi) < 0)
841 err(1, "ioctl(PCIOCWRITE)");
842 }
843
844 static void
845 chkattached(const char *name)
846 {
847 int fd;
848 struct pci_io pi;
849
850 pi.pi_sel = getsel(name);
851
852 fd = open(_PATH_DEVPCI, O_RDWR, 0);
853 if (fd < 0)
854 err(1, "%s", _PATH_DEVPCI);
855
856 if (ioctl(fd, PCIOCATTACHED, &pi) < 0)
857 err(1, "ioctl(PCIOCATTACHED)");
858
859 exitstatus = pi.pi_data ? 0 : 2; /* exit(2), if NOT attached */
860 printf("%s: %s%s\n", name, pi.pi_data == 0 ? "not " : "", "attached");
861 }
DragonFly BSD