Annotation of embedaddon/pciutils/lspci.c, revision 1.1.1.1
1.1 misho 1: /*
2: * The PCI Utilities -- List All PCI Devices
3: *
4: * Copyright (c) 1997--2008 Martin Mares <mj@ucw.cz>
5: *
6: * Can be freely distributed and used under the terms of the GNU GPL.
7: */
8:
9: #include <stdio.h>
10: #include <string.h>
11: #include <stdlib.h>
12: #include <stdarg.h>
13:
14: #include "lspci.h"
15:
16: /* Options */
17:
18: int verbose; /* Show detailed information */
19: static int opt_hex; /* Show contents of config space as hexadecimal numbers */
20: struct pci_filter filter; /* Device filter */
21: static int opt_tree; /* Show bus tree */
22: static int opt_machine; /* Generate machine-readable output */
23: static int opt_map_mode; /* Bus mapping mode enabled */
24: static int opt_domains; /* Show domain numbers (0=disabled, 1=auto-detected, 2=requested) */
25: static int opt_kernel; /* Show kernel drivers */
26: static int opt_query_dns; /* Query the DNS (0=disabled, 1=enabled, 2=refresh cache) */
27: static int opt_query_all; /* Query the DNS for all entries */
28: char *opt_pcimap; /* Override path to Linux modules.pcimap */
29:
30: const char program_name[] = "lspci";
31:
32: static char options[] = "nvbxs:d:ti:mgp:qkMDQ" GENERIC_OPTIONS ;
33:
34: static char help_msg[] =
35: "Usage: lspci [<switches>]\n"
36: "\n"
37: "Basic display modes:\n"
38: "-mm\t\tProduce machine-readable output (single -m for an obsolete format)\n"
39: "-t\t\tShow bus tree\n"
40: "\n"
41: "Display options:\n"
42: "-v\t\tBe verbose (-vv for very verbose)\n"
43: #ifdef PCI_OS_LINUX
44: "-k\t\tShow kernel drivers handling each device\n"
45: #endif
46: "-x\t\tShow hex-dump of the standard part of the config space\n"
47: "-xxx\t\tShow hex-dump of the whole config space (dangerous; root only)\n"
48: "-xxxx\t\tShow hex-dump of the 4096-byte extended config space (root only)\n"
49: "-b\t\tBus-centric view (addresses and IRQ's as seen by the bus)\n"
50: "-D\t\tAlways show domain numbers\n"
51: "\n"
52: "Resolving of device ID's to names:\n"
53: "-n\t\tShow numeric ID's\n"
54: "-nn\t\tShow both textual and numeric ID's (names & numbers)\n"
55: #ifdef PCI_USE_DNS
56: "-q\t\tQuery the PCI ID database for unknown ID's via DNS\n"
57: "-qq\t\tAs above, but re-query locally cached entries\n"
58: "-Q\t\tQuery the PCI ID database for all ID's via DNS\n"
59: #endif
60: "\n"
61: "Selection of devices:\n"
62: "-s [[[[<domain>]:]<bus>]:][<slot>][.[<func>]]\tShow only devices in selected slots\n"
63: "-d [<vendor>]:[<device>]\t\t\tShow only devices with specified ID's\n"
64: "\n"
65: "Other options:\n"
66: "-i <file>\tUse specified ID database instead of %s\n"
67: #ifdef PCI_OS_LINUX
68: "-p <file>\tLook up kernel modules in a given file instead of default modules.pcimap\n"
69: #endif
70: "-M\t\tEnable `bus mapping' mode (dangerous; root only)\n"
71: "\n"
72: "PCI access options:\n"
73: GENERIC_HELP
74: ;
75:
76: /*** Our view of the PCI bus ***/
77:
78: struct pci_access *pacc;
79: struct device *first_dev;
80: static int seen_errors;
81:
82: int
83: config_fetch(struct device *d, unsigned int pos, unsigned int len)
84: {
85: unsigned int end = pos+len;
86: int result;
87:
88: while (pos < d->config_bufsize && len && d->present[pos])
89: pos++, len--;
90: while (pos+len <= d->config_bufsize && len && d->present[pos+len-1])
91: len--;
92: if (!len)
93: return 1;
94:
95: if (end > d->config_bufsize)
96: {
97: int orig_size = d->config_bufsize;
98: while (end > d->config_bufsize)
99: d->config_bufsize *= 2;
100: d->config = xrealloc(d->config, d->config_bufsize);
101: d->present = xrealloc(d->present, d->config_bufsize);
102: memset(d->present + orig_size, 0, d->config_bufsize - orig_size);
103: }
104: result = pci_read_block(d->dev, pos, d->config + pos, len);
105: if (result)
106: memset(d->present + pos, 1, len);
107: return result;
108: }
109:
110: struct device *
111: scan_device(struct pci_dev *p)
112: {
113: struct device *d;
114:
115: if (p->domain && !opt_domains)
116: opt_domains = 1;
117: if (!pci_filter_match(&filter, p))
118: return NULL;
119: d = xmalloc(sizeof(struct device));
120: memset(d, 0, sizeof(*d));
121: d->dev = p;
122: d->config_cached = d->config_bufsize = 64;
123: d->config = xmalloc(64);
124: d->present = xmalloc(64);
125: memset(d->present, 1, 64);
126: if (!pci_read_block(p, 0, d->config, 64))
127: {
128: fprintf(stderr, "lspci: Unable to read the standard configuration space header of device %04x:%02x:%02x.%d\n",
129: p->domain, p->bus, p->dev, p->func);
130: seen_errors++;
131: return NULL;
132: }
133: if ((d->config[PCI_HEADER_TYPE] & 0x7f) == PCI_HEADER_TYPE_CARDBUS)
134: {
135: /* For cardbus bridges, we need to fetch 64 bytes more to get the
136: * full standard header... */
137: if (config_fetch(d, 64, 64))
138: d->config_cached += 64;
139: }
140: pci_setup_cache(p, d->config, d->config_cached);
141: pci_fill_info(p, PCI_FILL_IDENT | PCI_FILL_CLASS | PCI_FILL_IRQ | PCI_FILL_BASES | PCI_FILL_ROM_BASE | PCI_FILL_SIZES | PCI_FILL_PHYS_SLOT);
142: return d;
143: }
144:
145: static void
146: scan_devices(void)
147: {
148: struct device *d;
149: struct pci_dev *p;
150:
151: pci_scan_bus(pacc);
152: for (p=pacc->devices; p; p=p->next)
153: if (d = scan_device(p))
154: {
155: d->next = first_dev;
156: first_dev = d;
157: }
158: }
159:
160: /*** Config space accesses ***/
161:
162: static void
163: check_conf_range(struct device *d, unsigned int pos, unsigned int len)
164: {
165: while (len)
166: if (!d->present[pos])
167: die("Internal bug: Accessing non-read configuration byte at position %x", pos);
168: else
169: pos++, len--;
170: }
171:
172: byte
173: get_conf_byte(struct device *d, unsigned int pos)
174: {
175: check_conf_range(d, pos, 1);
176: return d->config[pos];
177: }
178:
179: word
180: get_conf_word(struct device *d, unsigned int pos)
181: {
182: check_conf_range(d, pos, 2);
183: return d->config[pos] | (d->config[pos+1] << 8);
184: }
185:
186: u32
187: get_conf_long(struct device *d, unsigned int pos)
188: {
189: check_conf_range(d, pos, 4);
190: return d->config[pos] |
191: (d->config[pos+1] << 8) |
192: (d->config[pos+2] << 16) |
193: (d->config[pos+3] << 24);
194: }
195:
196: /*** Sorting ***/
197:
198: static int
199: compare_them(const void *A, const void *B)
200: {
201: const struct pci_dev *a = (*(const struct device **)A)->dev;
202: const struct pci_dev *b = (*(const struct device **)B)->dev;
203:
204: if (a->domain < b->domain)
205: return -1;
206: if (a->domain > b->domain)
207: return 1;
208: if (a->bus < b->bus)
209: return -1;
210: if (a->bus > b->bus)
211: return 1;
212: if (a->dev < b->dev)
213: return -1;
214: if (a->dev > b->dev)
215: return 1;
216: if (a->func < b->func)
217: return -1;
218: if (a->func > b->func)
219: return 1;
220: return 0;
221: }
222:
223: static void
224: sort_them(void)
225: {
226: struct device **index, **h, **last_dev;
227: int cnt;
228: struct device *d;
229:
230: cnt = 0;
231: for (d=first_dev; d; d=d->next)
232: cnt++;
233: h = index = alloca(sizeof(struct device *) * cnt);
234: for (d=first_dev; d; d=d->next)
235: *h++ = d;
236: qsort(index, cnt, sizeof(struct device *), compare_them);
237: last_dev = &first_dev;
238: h = index;
239: while (cnt--)
240: {
241: *last_dev = *h;
242: last_dev = &(*h)->next;
243: h++;
244: }
245: *last_dev = NULL;
246: }
247:
248: /*** Normal output ***/
249:
250: static void
251: show_slot_name(struct device *d)
252: {
253: struct pci_dev *p = d->dev;
254:
255: if (!opt_machine ? opt_domains : (p->domain || opt_domains >= 2))
256: printf("%04x:", p->domain);
257: printf("%02x:%02x.%d", p->bus, p->dev, p->func);
258: }
259:
260: void
261: get_subid(struct device *d, word *subvp, word *subdp)
262: {
263: byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
264:
265: if (htype == PCI_HEADER_TYPE_NORMAL)
266: {
267: *subvp = get_conf_word(d, PCI_SUBSYSTEM_VENDOR_ID);
268: *subdp = get_conf_word(d, PCI_SUBSYSTEM_ID);
269: }
270: else if (htype == PCI_HEADER_TYPE_CARDBUS && d->config_cached >= 128)
271: {
272: *subvp = get_conf_word(d, PCI_CB_SUBSYSTEM_VENDOR_ID);
273: *subdp = get_conf_word(d, PCI_CB_SUBSYSTEM_ID);
274: }
275: else
276: *subvp = *subdp = 0xffff;
277: }
278:
279: static void
280: show_terse(struct device *d)
281: {
282: int c;
283: struct pci_dev *p = d->dev;
284: char classbuf[128], devbuf[128];
285:
286: show_slot_name(d);
287: printf(" %s: %s",
288: pci_lookup_name(pacc, classbuf, sizeof(classbuf),
289: PCI_LOOKUP_CLASS,
290: p->device_class),
291: pci_lookup_name(pacc, devbuf, sizeof(devbuf),
292: PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
293: p->vendor_id, p->device_id));
294: if (c = get_conf_byte(d, PCI_REVISION_ID))
295: printf(" (rev %02x)", c);
296: if (verbose)
297: {
298: char *x;
299: c = get_conf_byte(d, PCI_CLASS_PROG);
300: x = pci_lookup_name(pacc, devbuf, sizeof(devbuf),
301: PCI_LOOKUP_PROGIF | PCI_LOOKUP_NO_NUMBERS,
302: p->device_class, c);
303: if (c || x)
304: {
305: printf(" (prog-if %02x", c);
306: if (x)
307: printf(" [%s]", x);
308: putchar(')');
309: }
310: }
311: putchar('\n');
312:
313: if (verbose || opt_kernel)
314: {
315: word subsys_v, subsys_d;
316: char ssnamebuf[256];
317:
318: get_subid(d, &subsys_v, &subsys_d);
319: if (subsys_v && subsys_v != 0xffff)
320: printf("\tSubsystem: %s\n",
321: pci_lookup_name(pacc, ssnamebuf, sizeof(ssnamebuf),
322: PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
323: p->vendor_id, p->device_id, subsys_v, subsys_d));
324: }
325: }
326:
327: /*** Verbose output ***/
328:
329: static void
330: show_size(pciaddr_t x)
331: {
332: static const char suffix[][2] = { "", "K", "M", "G", "T" };
333: unsigned i;
334: if (!x)
335: return;
336: for (i = 0; i < (sizeof(suffix) / sizeof(*suffix) - 1); i++) {
337: if (x < 1024)
338: break;
339: x /= 1024;
340: }
341: printf(" [size=%u%s]", (unsigned)x, suffix[i]);
342: }
343:
344: static void
345: show_bases(struct device *d, int cnt)
346: {
347: struct pci_dev *p = d->dev;
348: word cmd = get_conf_word(d, PCI_COMMAND);
349: int i;
350: int virtual = 0;
351:
352: for (i=0; i<cnt; i++)
353: {
354: pciaddr_t pos = p->base_addr[i];
355: pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->size[i] : 0;
356: u32 flg = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
357: if (flg == 0xffffffff)
358: flg = 0;
359: if (!pos && !flg && !len)
360: continue;
361: if (verbose > 1)
362: printf("\tRegion %d: ", i);
363: else
364: putchar('\t');
365: if (pos && !flg) /* Reported by the OS, but not by the device */
366: {
367: printf("[virtual] ");
368: flg = pos;
369: virtual = 1;
370: }
371: if (flg & PCI_BASE_ADDRESS_SPACE_IO)
372: {
373: pciaddr_t a = pos & PCI_BASE_ADDRESS_IO_MASK;
374: printf("I/O ports at ");
375: if (a)
376: printf(PCIADDR_PORT_FMT, a);
377: else if (flg & PCI_BASE_ADDRESS_IO_MASK)
378: printf("<ignored>");
379: else
380: printf("<unassigned>");
381: if (!virtual && !(cmd & PCI_COMMAND_IO))
382: printf(" [disabled]");
383: }
384: else
385: {
386: int t = flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK;
387: pciaddr_t a = pos & PCI_ADDR_MEM_MASK;
388: int done = 0;
389: u32 z = 0;
390:
391: printf("Memory at ");
392: if (t == PCI_BASE_ADDRESS_MEM_TYPE_64)
393: {
394: if (i >= cnt - 1)
395: {
396: printf("<invalid-64bit-slot>");
397: done = 1;
398: }
399: else
400: {
401: i++;
402: z = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
403: }
404: }
405: if (!done)
406: {
407: if (a)
408: printf(PCIADDR_T_FMT, a);
409: else
410: printf(((flg & PCI_BASE_ADDRESS_MEM_MASK) || z) ? "<ignored>" : "<unassigned>");
411: }
412: printf(" (%s, %sprefetchable)",
413: (t == PCI_BASE_ADDRESS_MEM_TYPE_32) ? "32-bit" :
414: (t == PCI_BASE_ADDRESS_MEM_TYPE_64) ? "64-bit" :
415: (t == PCI_BASE_ADDRESS_MEM_TYPE_1M) ? "low-1M" : "type 3",
416: (flg & PCI_BASE_ADDRESS_MEM_PREFETCH) ? "" : "non-");
417: if (!virtual && !(cmd & PCI_COMMAND_MEMORY))
418: printf(" [disabled]");
419: }
420: show_size(len);
421: putchar('\n');
422: }
423: }
424:
425: static void
426: show_rom(struct device *d, int reg)
427: {
428: struct pci_dev *p = d->dev;
429: pciaddr_t rom = p->rom_base_addr;
430: pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->rom_size : 0;
431: u32 flg = get_conf_long(d, reg);
432: word cmd = get_conf_word(d, PCI_COMMAND);
433: int virtual = 0;
434:
435: if (!rom && !flg && !len)
436: return;
437: putchar('\t');
438: if ((rom & PCI_ROM_ADDRESS_MASK) && !(flg & PCI_ROM_ADDRESS_MASK))
439: {
440: printf("[virtual] ");
441: flg = rom;
442: virtual = 1;
443: }
444: printf("Expansion ROM at ");
445: if (rom & PCI_ROM_ADDRESS_MASK)
446: printf(PCIADDR_T_FMT, rom & PCI_ROM_ADDRESS_MASK);
447: else if (flg & PCI_ROM_ADDRESS_MASK)
448: printf("<ignored>");
449: else
450: printf("<unassigned>");
451: if (!(flg & PCI_ROM_ADDRESS_ENABLE))
452: printf(" [disabled]");
453: else if (!virtual && !(cmd & PCI_COMMAND_MEMORY))
454: printf(" [disabled by cmd]");
455: show_size(len);
456: putchar('\n');
457: }
458:
459: static void
460: show_htype0(struct device *d)
461: {
462: show_bases(d, 6);
463: show_rom(d, PCI_ROM_ADDRESS);
464: show_caps(d);
465: }
466:
467: static void
468: show_htype1(struct device *d)
469: {
470: u32 io_base = get_conf_byte(d, PCI_IO_BASE);
471: u32 io_limit = get_conf_byte(d, PCI_IO_LIMIT);
472: u32 io_type = io_base & PCI_IO_RANGE_TYPE_MASK;
473: u32 mem_base = get_conf_word(d, PCI_MEMORY_BASE);
474: u32 mem_limit = get_conf_word(d, PCI_MEMORY_LIMIT);
475: u32 mem_type = mem_base & PCI_MEMORY_RANGE_TYPE_MASK;
476: u32 pref_base = get_conf_word(d, PCI_PREF_MEMORY_BASE);
477: u32 pref_limit = get_conf_word(d, PCI_PREF_MEMORY_LIMIT);
478: u32 pref_type = pref_base & PCI_PREF_RANGE_TYPE_MASK;
479: word sec_stat = get_conf_word(d, PCI_SEC_STATUS);
480: word brc = get_conf_word(d, PCI_BRIDGE_CONTROL);
481: int verb = verbose > 2;
482:
483: show_bases(d, 2);
484: printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
485: get_conf_byte(d, PCI_PRIMARY_BUS),
486: get_conf_byte(d, PCI_SECONDARY_BUS),
487: get_conf_byte(d, PCI_SUBORDINATE_BUS),
488: get_conf_byte(d, PCI_SEC_LATENCY_TIMER));
489:
490: if (io_type != (io_limit & PCI_IO_RANGE_TYPE_MASK) ||
491: (io_type != PCI_IO_RANGE_TYPE_16 && io_type != PCI_IO_RANGE_TYPE_32))
492: printf("\t!!! Unknown I/O range types %x/%x\n", io_base, io_limit);
493: else
494: {
495: io_base = (io_base & PCI_IO_RANGE_MASK) << 8;
496: io_limit = (io_limit & PCI_IO_RANGE_MASK) << 8;
497: if (io_type == PCI_IO_RANGE_TYPE_32)
498: {
499: io_base |= (get_conf_word(d, PCI_IO_BASE_UPPER16) << 16);
500: io_limit |= (get_conf_word(d, PCI_IO_LIMIT_UPPER16) << 16);
501: }
502: if (io_base <= io_limit || verb)
503: printf("\tI/O behind bridge: %08x-%08x\n", io_base, io_limit+0xfff);
504: }
505:
506: if (mem_type != (mem_limit & PCI_MEMORY_RANGE_TYPE_MASK) ||
507: mem_type)
508: printf("\t!!! Unknown memory range types %x/%x\n", mem_base, mem_limit);
509: else
510: {
511: mem_base = (mem_base & PCI_MEMORY_RANGE_MASK) << 16;
512: mem_limit = (mem_limit & PCI_MEMORY_RANGE_MASK) << 16;
513: if (mem_base <= mem_limit || verb)
514: printf("\tMemory behind bridge: %08x-%08x\n", mem_base, mem_limit + 0xfffff);
515: }
516:
517: if (pref_type != (pref_limit & PCI_PREF_RANGE_TYPE_MASK) ||
518: (pref_type != PCI_PREF_RANGE_TYPE_32 && pref_type != PCI_PREF_RANGE_TYPE_64))
519: printf("\t!!! Unknown prefetchable memory range types %x/%x\n", pref_base, pref_limit);
520: else
521: {
522: pref_base = (pref_base & PCI_PREF_RANGE_MASK) << 16;
523: pref_limit = (pref_limit & PCI_PREF_RANGE_MASK) << 16;
524: if (pref_base <= pref_limit || verb)
525: {
526: if (pref_type == PCI_PREF_RANGE_TYPE_32)
527: printf("\tPrefetchable memory behind bridge: %08x-%08x\n", pref_base, pref_limit + 0xfffff);
528: else
529: printf("\tPrefetchable memory behind bridge: %08x%08x-%08x%08x\n",
530: get_conf_long(d, PCI_PREF_BASE_UPPER32),
531: pref_base,
532: get_conf_long(d, PCI_PREF_LIMIT_UPPER32),
533: pref_limit + 0xfffff);
534: }
535: }
536:
537: if (verbose > 1)
538: printf("\tSecondary status: 66MHz%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c <SERR%c <PERR%c\n",
539: FLAG(sec_stat, PCI_STATUS_66MHZ),
540: FLAG(sec_stat, PCI_STATUS_FAST_BACK),
541: FLAG(sec_stat, PCI_STATUS_PARITY),
542: ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
543: ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
544: ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
545: FLAG(sec_stat, PCI_STATUS_SIG_TARGET_ABORT),
546: FLAG(sec_stat, PCI_STATUS_REC_TARGET_ABORT),
547: FLAG(sec_stat, PCI_STATUS_REC_MASTER_ABORT),
548: FLAG(sec_stat, PCI_STATUS_SIG_SYSTEM_ERROR),
549: FLAG(sec_stat, PCI_STATUS_DETECTED_PARITY));
550:
551: show_rom(d, PCI_ROM_ADDRESS1);
552:
553: if (verbose > 1)
554: {
555: printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c MAbort%c >Reset%c FastB2B%c\n",
556: FLAG(brc, PCI_BRIDGE_CTL_PARITY),
557: FLAG(brc, PCI_BRIDGE_CTL_SERR),
558: FLAG(brc, PCI_BRIDGE_CTL_NO_ISA),
559: FLAG(brc, PCI_BRIDGE_CTL_VGA),
560: FLAG(brc, PCI_BRIDGE_CTL_MASTER_ABORT),
561: FLAG(brc, PCI_BRIDGE_CTL_BUS_RESET),
562: FLAG(brc, PCI_BRIDGE_CTL_FAST_BACK));
563: printf("\t\tPriDiscTmr%c SecDiscTmr%c DiscTmrStat%c DiscTmrSERREn%c\n",
564: FLAG(brc, PCI_BRIDGE_CTL_PRI_DISCARD_TIMER),
565: FLAG(brc, PCI_BRIDGE_CTL_SEC_DISCARD_TIMER),
566: FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_STATUS),
567: FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN));
568: }
569:
570: show_caps(d);
571: }
572:
573: static void
574: show_htype2(struct device *d)
575: {
576: int i;
577: word cmd = get_conf_word(d, PCI_COMMAND);
578: word brc = get_conf_word(d, PCI_CB_BRIDGE_CONTROL);
579: word exca;
580: int verb = verbose > 2;
581:
582: show_bases(d, 1);
583: printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
584: get_conf_byte(d, PCI_CB_PRIMARY_BUS),
585: get_conf_byte(d, PCI_CB_CARD_BUS),
586: get_conf_byte(d, PCI_CB_SUBORDINATE_BUS),
587: get_conf_byte(d, PCI_CB_LATENCY_TIMER));
588: for (i=0; i<2; i++)
589: {
590: int p = 8*i;
591: u32 base = get_conf_long(d, PCI_CB_MEMORY_BASE_0 + p);
592: u32 limit = get_conf_long(d, PCI_CB_MEMORY_LIMIT_0 + p);
593: limit = limit + 0xfff;
594: if (base <= limit || verb)
595: printf("\tMemory window %d: %08x-%08x%s%s\n", i, base, limit,
596: (cmd & PCI_COMMAND_MEMORY) ? "" : " [disabled]",
597: (brc & (PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 << i)) ? " (prefetchable)" : "");
598: }
599: for (i=0; i<2; i++)
600: {
601: int p = 8*i;
602: u32 base = get_conf_long(d, PCI_CB_IO_BASE_0 + p);
603: u32 limit = get_conf_long(d, PCI_CB_IO_LIMIT_0 + p);
604: if (!(base & PCI_IO_RANGE_TYPE_32))
605: {
606: base &= 0xffff;
607: limit &= 0xffff;
608: }
609: base &= PCI_CB_IO_RANGE_MASK;
610: limit = (limit & PCI_CB_IO_RANGE_MASK) + 3;
611: if (base <= limit || verb)
612: printf("\tI/O window %d: %08x-%08x%s\n", i, base, limit,
613: (cmd & PCI_COMMAND_IO) ? "" : " [disabled]");
614: }
615:
616: if (get_conf_word(d, PCI_CB_SEC_STATUS) & PCI_STATUS_SIG_SYSTEM_ERROR)
617: printf("\tSecondary status: SERR\n");
618: if (verbose > 1)
619: printf("\tBridgeCtl: Parity%c SERR%c ISA%c VGA%c MAbort%c >Reset%c 16bInt%c PostWrite%c\n",
620: FLAG(brc, PCI_CB_BRIDGE_CTL_PARITY),
621: FLAG(brc, PCI_CB_BRIDGE_CTL_SERR),
622: FLAG(brc, PCI_CB_BRIDGE_CTL_ISA),
623: FLAG(brc, PCI_CB_BRIDGE_CTL_VGA),
624: FLAG(brc, PCI_CB_BRIDGE_CTL_MASTER_ABORT),
625: FLAG(brc, PCI_CB_BRIDGE_CTL_CB_RESET),
626: FLAG(brc, PCI_CB_BRIDGE_CTL_16BIT_INT),
627: FLAG(brc, PCI_CB_BRIDGE_CTL_POST_WRITES));
628:
629: if (d->config_cached < 128)
630: {
631: printf("\t<access denied to the rest>\n");
632: return;
633: }
634:
635: exca = get_conf_word(d, PCI_CB_LEGACY_MODE_BASE);
636: if (exca)
637: printf("\t16-bit legacy interface ports at %04x\n", exca);
638: }
639:
640: static void
641: show_verbose(struct device *d)
642: {
643: struct pci_dev *p = d->dev;
644: word status = get_conf_word(d, PCI_STATUS);
645: word cmd = get_conf_word(d, PCI_COMMAND);
646: word class = p->device_class;
647: byte bist = get_conf_byte(d, PCI_BIST);
648: byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
649: byte latency = get_conf_byte(d, PCI_LATENCY_TIMER);
650: byte cache_line = get_conf_byte(d, PCI_CACHE_LINE_SIZE);
651: byte max_lat, min_gnt;
652: byte int_pin = get_conf_byte(d, PCI_INTERRUPT_PIN);
653: unsigned int irq = p->irq;
654:
655: show_terse(d);
656:
657: switch (htype)
658: {
659: case PCI_HEADER_TYPE_NORMAL:
660: if (class == PCI_CLASS_BRIDGE_PCI)
661: printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
662: max_lat = get_conf_byte(d, PCI_MAX_LAT);
663: min_gnt = get_conf_byte(d, PCI_MIN_GNT);
664: break;
665: case PCI_HEADER_TYPE_BRIDGE:
666: if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
667: printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
668: irq = int_pin = min_gnt = max_lat = 0;
669: break;
670: case PCI_HEADER_TYPE_CARDBUS:
671: if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
672: printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
673: min_gnt = max_lat = 0;
674: break;
675: default:
676: printf("\t!!! Unknown header type %02x\n", htype);
677: return;
678: }
679:
680: if (p->phy_slot)
681: printf("\tPhysical Slot: %s\n", p->phy_slot);
682:
683: if (verbose > 1)
684: {
685: printf("\tControl: I/O%c Mem%c BusMaster%c SpecCycle%c MemWINV%c VGASnoop%c ParErr%c Stepping%c SERR%c FastB2B%c DisINTx%c\n",
686: FLAG(cmd, PCI_COMMAND_IO),
687: FLAG(cmd, PCI_COMMAND_MEMORY),
688: FLAG(cmd, PCI_COMMAND_MASTER),
689: FLAG(cmd, PCI_COMMAND_SPECIAL),
690: FLAG(cmd, PCI_COMMAND_INVALIDATE),
691: FLAG(cmd, PCI_COMMAND_VGA_PALETTE),
692: FLAG(cmd, PCI_COMMAND_PARITY),
693: FLAG(cmd, PCI_COMMAND_WAIT),
694: FLAG(cmd, PCI_COMMAND_SERR),
695: FLAG(cmd, PCI_COMMAND_FAST_BACK),
696: FLAG(cmd, PCI_COMMAND_DISABLE_INTx));
697: printf("\tStatus: Cap%c 66MHz%c UDF%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c >SERR%c <PERR%c INTx%c\n",
698: FLAG(status, PCI_STATUS_CAP_LIST),
699: FLAG(status, PCI_STATUS_66MHZ),
700: FLAG(status, PCI_STATUS_UDF),
701: FLAG(status, PCI_STATUS_FAST_BACK),
702: FLAG(status, PCI_STATUS_PARITY),
703: ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
704: ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
705: ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
706: FLAG(status, PCI_STATUS_SIG_TARGET_ABORT),
707: FLAG(status, PCI_STATUS_REC_TARGET_ABORT),
708: FLAG(status, PCI_STATUS_REC_MASTER_ABORT),
709: FLAG(status, PCI_STATUS_SIG_SYSTEM_ERROR),
710: FLAG(status, PCI_STATUS_DETECTED_PARITY),
711: FLAG(status, PCI_STATUS_INTx));
712: if (cmd & PCI_COMMAND_MASTER)
713: {
714: printf("\tLatency: %d", latency);
715: if (min_gnt || max_lat)
716: {
717: printf(" (");
718: if (min_gnt)
719: printf("%dns min", min_gnt*250);
720: if (min_gnt && max_lat)
721: printf(", ");
722: if (max_lat)
723: printf("%dns max", max_lat*250);
724: putchar(')');
725: }
726: if (cache_line)
727: printf(", Cache Line Size: %d bytes", cache_line * 4);
728: putchar('\n');
729: }
730: if (int_pin || irq)
731: printf("\tInterrupt: pin %c routed to IRQ " PCIIRQ_FMT "\n",
732: (int_pin ? 'A' + int_pin - 1 : '?'), irq);
733: }
734: else
735: {
736: printf("\tFlags: ");
737: if (cmd & PCI_COMMAND_MASTER)
738: printf("bus master, ");
739: if (cmd & PCI_COMMAND_VGA_PALETTE)
740: printf("VGA palette snoop, ");
741: if (cmd & PCI_COMMAND_WAIT)
742: printf("stepping, ");
743: if (cmd & PCI_COMMAND_FAST_BACK)
744: printf("fast Back2Back, ");
745: if (status & PCI_STATUS_66MHZ)
746: printf("66MHz, ");
747: if (status & PCI_STATUS_UDF)
748: printf("user-definable features, ");
749: printf("%s devsel",
750: ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
751: ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
752: ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??");
753: if (cmd & PCI_COMMAND_MASTER)
754: printf(", latency %d", latency);
755: if (irq)
756: printf(", IRQ " PCIIRQ_FMT, irq);
757: putchar('\n');
758: }
759:
760: if (bist & PCI_BIST_CAPABLE)
761: {
762: if (bist & PCI_BIST_START)
763: printf("\tBIST is running\n");
764: else
765: printf("\tBIST result: %02x\n", bist & PCI_BIST_CODE_MASK);
766: }
767:
768: switch (htype)
769: {
770: case PCI_HEADER_TYPE_NORMAL:
771: show_htype0(d);
772: break;
773: case PCI_HEADER_TYPE_BRIDGE:
774: show_htype1(d);
775: break;
776: case PCI_HEADER_TYPE_CARDBUS:
777: show_htype2(d);
778: break;
779: }
780: }
781:
782: /*** Machine-readable dumps ***/
783:
784: static void
785: show_hex_dump(struct device *d)
786: {
787: unsigned int i, cnt;
788:
789: cnt = d->config_cached;
790: if (opt_hex >= 3 && config_fetch(d, cnt, 256-cnt))
791: {
792: cnt = 256;
793: if (opt_hex >= 4 && config_fetch(d, 256, 4096-256))
794: cnt = 4096;
795: }
796:
797: for (i=0; i<cnt; i++)
798: {
799: if (! (i & 15))
800: printf("%02x:", i);
801: printf(" %02x", get_conf_byte(d, i));
802: if ((i & 15) == 15)
803: putchar('\n');
804: }
805: }
806:
807: static void
808: print_shell_escaped(char *c)
809: {
810: printf(" \"");
811: while (*c)
812: {
813: if (*c == '"' || *c == '\\')
814: putchar('\\');
815: putchar(*c++);
816: }
817: putchar('"');
818: }
819:
820: static void
821: show_machine(struct device *d)
822: {
823: struct pci_dev *p = d->dev;
824: int c;
825: word sv_id, sd_id;
826: char classbuf[128], vendbuf[128], devbuf[128], svbuf[128], sdbuf[128];
827:
828: get_subid(d, &sv_id, &sd_id);
829:
830: if (verbose)
831: {
832: printf((opt_machine >= 2) ? "Slot:\t" : "Device:\t");
833: show_slot_name(d);
834: putchar('\n');
835: printf("Class:\t%s\n",
836: pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
837: printf("Vendor:\t%s\n",
838: pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
839: printf("Device:\t%s\n",
840: pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
841: if (sv_id && sv_id != 0xffff)
842: {
843: printf("SVendor:\t%s\n",
844: pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, sv_id));
845: printf("SDevice:\t%s\n",
846: pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, sv_id, sd_id));
847: }
848: if (p->phy_slot)
849: printf("PhySlot:\t%s\n", p->phy_slot);
850: if (c = get_conf_byte(d, PCI_REVISION_ID))
851: printf("Rev:\t%02x\n", c);
852: if (c = get_conf_byte(d, PCI_CLASS_PROG))
853: printf("ProgIf:\t%02x\n", c);
854: if (opt_kernel)
855: show_kernel_machine(d);
856: }
857: else
858: {
859: show_slot_name(d);
860: print_shell_escaped(pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
861: print_shell_escaped(pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
862: print_shell_escaped(pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
863: if (c = get_conf_byte(d, PCI_REVISION_ID))
864: printf(" -r%02x", c);
865: if (c = get_conf_byte(d, PCI_CLASS_PROG))
866: printf(" -p%02x", c);
867: if (sv_id && sv_id != 0xffff)
868: {
869: print_shell_escaped(pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, sv_id));
870: print_shell_escaped(pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, sv_id, sd_id));
871: }
872: else
873: printf(" \"\" \"\"");
874: putchar('\n');
875: }
876: }
877:
878: /*** Main show function ***/
879:
880: void
881: show_device(struct device *d)
882: {
883: if (opt_machine)
884: show_machine(d);
885: else
886: {
887: if (verbose)
888: show_verbose(d);
889: else
890: show_terse(d);
891: if (opt_kernel || verbose)
892: show_kernel(d);
893: }
894: if (opt_hex)
895: show_hex_dump(d);
896: if (verbose || opt_hex)
897: putchar('\n');
898: }
899:
900: static void
901: show(void)
902: {
903: struct device *d;
904:
905: for (d=first_dev; d; d=d->next)
906: show_device(d);
907: }
908:
909: /* Main */
910:
911: int
912: main(int argc, char **argv)
913: {
914: int i;
915: char *msg;
916:
917: if (argc == 2 && !strcmp(argv[1], "--version"))
918: {
919: puts("lspci version " PCIUTILS_VERSION);
920: return 0;
921: }
922:
923: pacc = pci_alloc();
924: pacc->error = die;
925: pci_filter_init(pacc, &filter);
926:
927: while ((i = getopt(argc, argv, options)) != -1)
928: switch (i)
929: {
930: case 'n':
931: pacc->numeric_ids++;
932: break;
933: case 'v':
934: verbose++;
935: break;
936: case 'b':
937: pacc->buscentric = 1;
938: break;
939: case 's':
940: if (msg = pci_filter_parse_slot(&filter, optarg))
941: die("-s: %s", msg);
942: break;
943: case 'd':
944: if (msg = pci_filter_parse_id(&filter, optarg))
945: die("-d: %s", msg);
946: break;
947: case 'x':
948: opt_hex++;
949: break;
950: case 't':
951: opt_tree++;
952: break;
953: case 'i':
954: pci_set_name_list_path(pacc, optarg, 0);
955: break;
956: case 'm':
957: opt_machine++;
958: break;
959: case 'p':
960: opt_pcimap = optarg;
961: break;
962: #ifdef PCI_OS_LINUX
963: case 'k':
964: opt_kernel++;
965: break;
966: #endif
967: case 'M':
968: opt_map_mode++;
969: break;
970: case 'D':
971: opt_domains = 2;
972: break;
973: #ifdef PCI_USE_DNS
974: case 'q':
975: opt_query_dns++;
976: break;
977: case 'Q':
978: opt_query_all = 1;
979: break;
980: #else
981: case 'q':
982: case 'Q':
983: die("DNS queries are not available in this version");
984: #endif
985: default:
986: if (parse_generic_option(i, pacc, optarg))
987: break;
988: bad:
989: fprintf(stderr, help_msg, pacc->id_file_name);
990: return 1;
991: }
992: if (optind < argc)
993: goto bad;
994:
995: if (opt_query_dns)
996: {
997: pacc->id_lookup_mode |= PCI_LOOKUP_NETWORK;
998: if (opt_query_dns > 1)
999: pacc->id_lookup_mode |= PCI_LOOKUP_REFRESH_CACHE;
1000: }
1001: if (opt_query_all)
1002: pacc->id_lookup_mode |= PCI_LOOKUP_NETWORK | PCI_LOOKUP_SKIP_LOCAL;
1003:
1004: pci_init(pacc);
1005: if (opt_map_mode)
1006: map_the_bus();
1007: else
1008: {
1009: scan_devices();
1010: sort_them();
1011: if (opt_tree)
1012: show_forest();
1013: else
1014: show();
1015: }
1016: pci_cleanup(pacc);
1017:
1018: return (seen_errors ? 2 : 0);
1019: }
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