2 * The PCI Utilities -- List All PCI Devices
4 * Copyright (c) 1997--2020 Martin Mares <mj@ucw.cz>
6 * Can be freely distributed and used under the terms of the GNU GPL.
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_filter; /* Any filter was given */
22 static int opt_tree; /* Show bus tree */
23 static int opt_path; /* Show bridge path */
24 static int opt_machine; /* Generate machine-readable output */
25 static int opt_map_mode; /* Bus mapping mode enabled */
26 static int opt_domains; /* Show domain numbers (0=disabled, 1=auto-detected, 2=requested) */
27 static int opt_kernel; /* Show kernel drivers */
28 static int opt_query_dns; /* Query the DNS (0=disabled, 1=enabled, 2=refresh cache) */
29 static int opt_query_all; /* Query the DNS for all entries */
30 char *opt_pcimap; /* Override path to Linux modules.pcimap */
32 const char program_name[] = "lspci";
34 static char options[] = "nvbxs:d:tPi:mgp:qkMDQ" GENERIC_OPTIONS ;
36 static char help_msg[] =
37 "Usage: lspci [<switches>]\n"
39 "Basic display modes:\n"
40 "-mm\t\tProduce machine-readable output (single -m for an obsolete format)\n"
41 "-t\t\tShow bus tree\n"
44 "-v\t\tBe verbose (-vv or -vvv for higher verbosity)\n"
46 "-k\t\tShow kernel drivers handling each device\n"
48 "-x\t\tShow hex-dump of the standard part of the config space\n"
49 "-xxx\t\tShow hex-dump of the whole config space (dangerous; root only)\n"
50 "-xxxx\t\tShow hex-dump of the 4096-byte extended config space (root only)\n"
51 "-b\t\tBus-centric view (addresses and IRQ's as seen by the bus)\n"
52 "-D\t\tAlways show domain numbers\n"
53 "-P\t\tDisplay bridge path in addition to bus and device number\n"
54 "-PP\t\tDisplay bus path in addition to bus and device number\n"
56 "Resolving of device ID's to names:\n"
57 "-n\t\tShow numeric ID's\n"
58 "-nn\t\tShow both textual and numeric ID's (names & numbers)\n"
60 "-q\t\tQuery the PCI ID database for unknown ID's via DNS\n"
61 "-qq\t\tAs above, but re-query locally cached entries\n"
62 "-Q\t\tQuery the PCI ID database for all ID's via DNS\n"
65 "Selection of devices:\n"
66 "-s [[[[<domain>]:]<bus>]:][<slot>][.[<func>]]\tShow only devices in selected slots\n"
67 "-d [<vendor>]:[<device>][:<class>]\t\tShow only devices with specified ID's\n"
70 "-i <file>\tUse specified ID database instead of %s\n"
72 "-p <file>\tLook up kernel modules in a given file instead of default modules.pcimap\n"
74 "-M\t\tEnable `bus mapping' mode (dangerous; root only)\n"
76 "PCI access options:\n"
80 /*** Our view of the PCI bus ***/
82 struct pci_access *pacc;
83 struct device *first_dev;
84 static int seen_errors;
85 static int need_topology;
88 config_fetch(struct device *d, unsigned int pos, unsigned int len)
90 unsigned int end = pos+len;
93 while (pos < d->config_bufsize && len && d->present[pos])
95 while (pos+len <= d->config_bufsize && len && d->present[pos+len-1])
100 if (end > d->config_bufsize)
102 int orig_size = d->config_bufsize;
103 while (end > d->config_bufsize)
104 d->config_bufsize *= 2;
105 d->config = xrealloc(d->config, d->config_bufsize);
106 d->present = xrealloc(d->present, d->config_bufsize);
107 memset(d->present + orig_size, 0, d->config_bufsize - orig_size);
109 result = pci_read_block(d->dev, pos, d->config + pos, len);
111 memset(d->present + pos, 1, len);
116 scan_device(struct pci_dev *p)
120 if (p->domain && !opt_domains)
122 if (!pci_filter_match(&filter, p) && !need_topology)
124 d = xmalloc(sizeof(struct device));
125 memset(d, 0, sizeof(*d));
127 d->config_cached = d->config_bufsize = 64;
128 d->config = xmalloc(64);
129 d->present = xmalloc(64);
130 memset(d->present, 1, 64);
131 if (!pci_read_block(p, 0, d->config, 64))
133 fprintf(stderr, "lspci: Unable to read the standard configuration space header of device %04x:%02x:%02x.%d\n",
134 p->domain, p->bus, p->dev, p->func);
138 if ((d->config[PCI_HEADER_TYPE] & 0x7f) == PCI_HEADER_TYPE_CARDBUS)
140 /* For cardbus bridges, we need to fetch 64 bytes more to get the
141 * full standard header... */
142 if (config_fetch(d, 64, 64))
143 d->config_cached += 64;
145 pci_setup_cache(p, d->config, d->config_cached);
146 pci_fill_info(p, PCI_FILL_IDENT | PCI_FILL_CLASS | PCI_FILL_CLASS_EXT | PCI_FILL_SUBSYS | (need_topology ? PCI_FILL_PARENT : 0));
157 for (p=pacc->devices; p; p=p->next)
158 if (d = scan_device(p))
165 /*** Config space accesses ***/
168 check_conf_range(struct device *d, unsigned int pos, unsigned int len)
171 if (!d->present[pos])
172 die("Internal bug: Accessing non-read configuration byte at position %x", pos);
178 get_conf_byte(struct device *d, unsigned int pos)
180 check_conf_range(d, pos, 1);
181 return d->config[pos];
185 get_conf_word(struct device *d, unsigned int pos)
187 check_conf_range(d, pos, 2);
188 return d->config[pos] | (d->config[pos+1] << 8);
192 get_conf_long(struct device *d, unsigned int pos)
194 check_conf_range(d, pos, 4);
195 return d->config[pos] |
196 (d->config[pos+1] << 8) |
197 (d->config[pos+2] << 16) |
198 (d->config[pos+3] << 24);
204 compare_them(const void *A, const void *B)
206 const struct pci_dev *a = (*(const struct device **)A)->dev;
207 const struct pci_dev *b = (*(const struct device **)B)->dev;
209 if (a->domain < b->domain)
211 if (a->domain > b->domain)
221 if (a->func < b->func)
223 if (a->func > b->func)
231 struct device **index, **h, **last_dev;
236 for (d=first_dev; d; d=d->next)
238 h = index = alloca(sizeof(struct device *) * cnt);
239 for (d=first_dev; d; d=d->next)
241 qsort(index, cnt, sizeof(struct device *), compare_them);
242 last_dev = &first_dev;
247 last_dev = &(*h)->next;
253 /*** Normal output ***/
256 show_slot_path(struct device *d)
258 struct pci_dev *p = d->dev;
262 struct bus *bus = d->parent_bus;
263 struct bridge *br = bus->parent_bridge;
265 if (br && br->br_dev)
267 show_slot_path(br->br_dev);
269 printf("/%02x:%02x.%d", p->bus, p->dev, p->func);
271 printf("/%02x.%d", p->dev, p->func);
275 printf("%02x:%02x.%d", p->bus, p->dev, p->func);
279 show_slot_name(struct device *d)
281 struct pci_dev *p = d->dev;
283 if (!opt_machine ? opt_domains : (p->domain || opt_domains >= 2))
284 printf("%04x:", p->domain);
289 show_terse(struct device *d)
292 struct pci_dev *p = d->dev;
293 char classbuf[128], devbuf[128];
297 pci_lookup_name(pacc, classbuf, sizeof(classbuf),
300 pci_lookup_name(pacc, devbuf, sizeof(devbuf),
301 PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
302 p->vendor_id, p->device_id));
303 if ((p->known_fields & PCI_FILL_CLASS_EXT) && p->rev_id)
304 printf(" (rev %02x)", p->rev_id);
308 c = (p->known_fields & PCI_FILL_CLASS_EXT) ? p->prog_if : 0;
309 x = pci_lookup_name(pacc, devbuf, sizeof(devbuf),
310 PCI_LOOKUP_PROGIF | PCI_LOOKUP_NO_NUMBERS,
314 printf(" (prog-if %02x", c);
322 if (verbose || opt_kernel)
326 pci_fill_info(p, PCI_FILL_LABEL);
329 printf("\tDeviceName: %s", p->label);
330 if ((p->known_fields & PCI_FILL_SUBSYS) &&
331 p->subsys_vendor_id && p->subsys_vendor_id != 0xffff)
332 printf("\tSubsystem: %s\n",
333 pci_lookup_name(pacc, ssnamebuf, sizeof(ssnamebuf),
334 PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
335 p->vendor_id, p->device_id, p->subsys_vendor_id, p->subsys_id));
339 /*** Verbose output ***/
344 static const char suffix[][2] = { "", "K", "M", "G", "T" };
348 for (i = 0; i < (sizeof(suffix) / sizeof(*suffix) - 1); i++) {
353 printf(" [size=%u%s]", (unsigned)x, suffix[i]);
357 show_range(char *prefix, u64 base, u64 limit, int bits, int disabled)
359 printf("%s:", prefix);
360 if (base <= limit || verbose > 2)
361 printf(" %0*" PCI_U64_FMT_X "-%0*" PCI_U64_FMT_X, (bits+3)/4, base, (bits+3)/4, limit);
362 if (!disabled && base <= limit)
363 show_size(limit - base + 1);
365 printf(" [disabled]");
366 printf(" [%d-bit]", bits);
371 show_bases(struct device *d, int cnt)
373 struct pci_dev *p = d->dev;
374 word cmd = get_conf_word(d, PCI_COMMAND);
378 for (i=0; i<cnt; i++)
380 pciaddr_t pos = p->base_addr[i];
381 pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->size[i] : 0;
382 pciaddr_t ioflg = (p->known_fields & PCI_FILL_IO_FLAGS) ? p->flags[i] : 0;
383 u32 flg = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
388 if (flg == 0xffffffff)
390 if (!pos && !flg && !len)
394 printf("\tRegion %d: ", i);
398 /* Read address as seen by the hardware */
399 if (flg & PCI_BASE_ADDRESS_SPACE_IO)
400 hw_lower = flg & PCI_BASE_ADDRESS_IO_MASK;
403 hw_lower = flg & PCI_BASE_ADDRESS_MEM_MASK;
404 if ((flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK) == PCI_BASE_ADDRESS_MEM_TYPE_64)
411 hw_upper = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
416 /* Detect virtual regions, which are reported by the OS, but unassigned in the device */
417 if (pos && !hw_lower && !hw_upper && !(ioflg & PCI_IORESOURCE_PCI_EA_BEI))
423 /* Print base address */
424 if (flg & PCI_BASE_ADDRESS_SPACE_IO)
426 pciaddr_t a = pos & PCI_BASE_ADDRESS_IO_MASK;
427 printf("I/O ports at ");
428 if (a || (cmd & PCI_COMMAND_IO))
429 printf(PCIADDR_PORT_FMT, a);
433 printf("<unassigned>");
435 printf(" [virtual]");
436 else if (!(cmd & PCI_COMMAND_IO))
437 printf(" [disabled]");
441 int t = flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK;
442 pciaddr_t a = pos & PCI_ADDR_MEM_MASK;
444 printf("Memory at ");
446 printf("<broken-64-bit-slot>");
448 printf(PCIADDR_T_FMT, a);
449 else if (hw_lower || hw_upper)
452 printf("<unassigned>");
453 printf(" (%s, %sprefetchable)",
454 (t == PCI_BASE_ADDRESS_MEM_TYPE_32) ? "32-bit" :
455 (t == PCI_BASE_ADDRESS_MEM_TYPE_64) ? "64-bit" :
456 (t == PCI_BASE_ADDRESS_MEM_TYPE_1M) ? "low-1M" : "type 3",
457 (flg & PCI_BASE_ADDRESS_MEM_PREFETCH) ? "" : "non-");
459 printf(" [virtual]");
460 else if (!(cmd & PCI_COMMAND_MEMORY))
461 printf(" [disabled]");
464 if (ioflg & PCI_IORESOURCE_PCI_EA_BEI)
465 printf(" [enhanced]");
473 show_rom(struct device *d, int reg)
475 struct pci_dev *p = d->dev;
476 pciaddr_t rom = p->rom_base_addr;
477 pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->rom_size : 0;
478 pciaddr_t ioflg = (p->known_fields & PCI_FILL_IO_FLAGS) ? p->rom_flags : 0;
479 u32 flg = get_conf_long(d, reg);
480 word cmd = get_conf_word(d, PCI_COMMAND);
483 if (!rom && !flg && !len)
486 if ((rom & PCI_ROM_ADDRESS_MASK) && !(flg & PCI_ROM_ADDRESS_MASK) && !(ioflg & PCI_IORESOURCE_PCI_EA_BEI))
492 printf("\tExpansion ROM at ");
493 if (rom & PCI_ROM_ADDRESS_MASK)
494 printf(PCIADDR_T_FMT, rom & PCI_ROM_ADDRESS_MASK);
495 else if (flg & PCI_ROM_ADDRESS_MASK)
498 printf("<unassigned>");
501 printf(" [virtual]");
503 if (!(flg & PCI_ROM_ADDRESS_ENABLE))
504 printf(" [disabled]");
505 else if (!virtual && !(cmd & PCI_COMMAND_MEMORY))
506 printf(" [disabled by cmd]");
508 if (ioflg & PCI_IORESOURCE_PCI_EA_BEI)
509 printf(" [enhanced]");
516 show_htype0(struct device *d)
519 show_rom(d, PCI_ROM_ADDRESS);
520 show_caps(d, PCI_CAPABILITY_LIST);
524 show_htype1(struct device *d)
526 struct pci_dev *p = d->dev;
527 u32 io_base = get_conf_byte(d, PCI_IO_BASE);
528 u32 io_limit = get_conf_byte(d, PCI_IO_LIMIT);
529 u32 io_type = io_base & PCI_IO_RANGE_TYPE_MASK;
530 u32 mem_base = get_conf_word(d, PCI_MEMORY_BASE);
531 u32 mem_limit = get_conf_word(d, PCI_MEMORY_LIMIT);
532 u32 mem_type = mem_base & PCI_MEMORY_RANGE_TYPE_MASK;
533 u32 pref_base = get_conf_word(d, PCI_PREF_MEMORY_BASE);
534 u32 pref_limit = get_conf_word(d, PCI_PREF_MEMORY_LIMIT);
535 u32 pref_type = pref_base & PCI_PREF_RANGE_TYPE_MASK;
536 word sec_stat = get_conf_word(d, PCI_SEC_STATUS);
537 word brc = get_conf_word(d, PCI_BRIDGE_CONTROL);
538 int io_disabled = (p->known_fields & PCI_FILL_BRIDGE_BASES) && !p->bridge_size[0];
539 int mem_disabled = (p->known_fields & PCI_FILL_BRIDGE_BASES) && !p->bridge_size[1];
540 int pref_disabled = (p->known_fields & PCI_FILL_BRIDGE_BASES) && !p->bridge_size[2];
541 int io_bits, pref_bits;
544 printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
545 get_conf_byte(d, PCI_PRIMARY_BUS),
546 get_conf_byte(d, PCI_SECONDARY_BUS),
547 get_conf_byte(d, PCI_SUBORDINATE_BUS),
548 get_conf_byte(d, PCI_SEC_LATENCY_TIMER));
550 if ((p->known_fields & PCI_FILL_BRIDGE_BASES) && !io_disabled)
552 io_base = p->bridge_base_addr[0] & PCI_IO_RANGE_MASK;
553 io_limit = io_base + p->bridge_size[0] - 1;
554 io_type = p->bridge_base_addr[0] & PCI_IO_RANGE_TYPE_MASK;
555 io_bits = (io_type == PCI_IO_RANGE_TYPE_32) ? 32 : 16;
556 show_range("\tI/O behind bridge", io_base, io_limit, io_bits, io_disabled);
558 else if (io_type != (io_limit & PCI_IO_RANGE_TYPE_MASK) ||
559 (io_type != PCI_IO_RANGE_TYPE_16 && io_type != PCI_IO_RANGE_TYPE_32))
560 printf("\t!!! Unknown I/O range types %x/%x\n", io_base, io_limit);
563 io_base = (io_base & PCI_IO_RANGE_MASK) << 8;
564 io_limit = (io_limit & PCI_IO_RANGE_MASK) << 8;
565 if (io_type == PCI_IO_RANGE_TYPE_32)
567 io_base |= (get_conf_word(d, PCI_IO_BASE_UPPER16) << 16);
568 io_limit |= (get_conf_word(d, PCI_IO_LIMIT_UPPER16) << 16);
570 /* I/O is unsupported if both base and limit are zeros and resource is disabled */
571 if (!(io_base == 0x0 && io_limit == 0x0 && io_disabled))
574 io_bits = (io_type == PCI_IO_RANGE_TYPE_32) ? 32 : 16;
575 show_range("\tI/O behind bridge", io_base, io_limit, io_bits, io_disabled);
579 if ((p->known_fields & PCI_FILL_BRIDGE_BASES) && !mem_disabled)
581 mem_base = p->bridge_base_addr[1] & PCI_MEMORY_RANGE_MASK;
582 mem_limit = mem_base + p->bridge_size[1] - 1;
583 show_range("\tMemory behind bridge", mem_base, mem_limit, 32, mem_disabled);
585 else if (mem_type != (mem_limit & PCI_MEMORY_RANGE_TYPE_MASK) ||
587 printf("\t!!! Unknown memory range types %x/%x\n", mem_base, mem_limit);
590 mem_base = (mem_base & PCI_MEMORY_RANGE_MASK) << 16;
591 mem_limit = (mem_limit & PCI_MEMORY_RANGE_MASK) << 16;
592 show_range("\tMemory behind bridge", mem_base, mem_limit + 0xfffff, 32, mem_disabled);
595 if ((p->known_fields & PCI_FILL_BRIDGE_BASES) && !pref_disabled)
597 u64 pref_base_64 = p->bridge_base_addr[2] & PCI_MEMORY_RANGE_MASK;
598 u64 pref_limit_64 = pref_base_64 + p->bridge_size[2] - 1;
599 pref_type = p->bridge_base_addr[2] & PCI_MEMORY_RANGE_TYPE_MASK;
600 pref_bits = (pref_type == PCI_PREF_RANGE_TYPE_64) ? 64 : 32;
601 show_range("\tPrefetchable memory behind bridge", pref_base_64, pref_limit_64, pref_bits, pref_disabled);
603 else if (pref_type != (pref_limit & PCI_PREF_RANGE_TYPE_MASK) ||
604 (pref_type != PCI_PREF_RANGE_TYPE_32 && pref_type != PCI_PREF_RANGE_TYPE_64))
605 printf("\t!!! Unknown prefetchable memory range types %x/%x\n", pref_base, pref_limit);
608 u64 pref_base_64 = (pref_base & PCI_PREF_RANGE_MASK) << 16;
609 u64 pref_limit_64 = (pref_limit & PCI_PREF_RANGE_MASK) << 16;
610 if (pref_type == PCI_PREF_RANGE_TYPE_64)
612 pref_base_64 |= (u64) get_conf_long(d, PCI_PREF_BASE_UPPER32) << 32;
613 pref_limit_64 |= (u64) get_conf_long(d, PCI_PREF_LIMIT_UPPER32) << 32;
615 /* Prefetchable memory is unsupported if both base and limit are zeros and resource is disabled */
616 if (!(pref_base_64 == 0x0 && pref_limit_64 == 0x0 && pref_disabled))
618 pref_limit_64 += 0xfffff;
619 pref_bits = (pref_type == PCI_PREF_RANGE_TYPE_64) ? 64 : 32;
620 show_range("\tPrefetchable memory behind bridge", pref_base_64, pref_limit_64, pref_bits, pref_disabled);
625 printf("\tSecondary status: 66MHz%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c <SERR%c <PERR%c\n",
626 FLAG(sec_stat, PCI_STATUS_66MHZ),
627 FLAG(sec_stat, PCI_STATUS_FAST_BACK),
628 FLAG(sec_stat, PCI_STATUS_PARITY),
629 ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
630 ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
631 ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
632 FLAG(sec_stat, PCI_STATUS_SIG_TARGET_ABORT),
633 FLAG(sec_stat, PCI_STATUS_REC_TARGET_ABORT),
634 FLAG(sec_stat, PCI_STATUS_REC_MASTER_ABORT),
635 FLAG(sec_stat, PCI_STATUS_SIG_SYSTEM_ERROR),
636 FLAG(sec_stat, PCI_STATUS_DETECTED_PARITY));
638 show_rom(d, PCI_ROM_ADDRESS1);
642 printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c VGA16%c MAbort%c >Reset%c FastB2B%c\n",
643 FLAG(brc, PCI_BRIDGE_CTL_PARITY),
644 FLAG(brc, PCI_BRIDGE_CTL_SERR),
645 FLAG(brc, PCI_BRIDGE_CTL_NO_ISA),
646 FLAG(brc, PCI_BRIDGE_CTL_VGA),
647 FLAG(brc, PCI_BRIDGE_CTL_VGA_16BIT),
648 FLAG(brc, PCI_BRIDGE_CTL_MASTER_ABORT),
649 FLAG(brc, PCI_BRIDGE_CTL_BUS_RESET),
650 FLAG(brc, PCI_BRIDGE_CTL_FAST_BACK));
651 printf("\t\tPriDiscTmr%c SecDiscTmr%c DiscTmrStat%c DiscTmrSERREn%c\n",
652 FLAG(brc, PCI_BRIDGE_CTL_PRI_DISCARD_TIMER),
653 FLAG(brc, PCI_BRIDGE_CTL_SEC_DISCARD_TIMER),
654 FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_STATUS),
655 FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN));
658 show_caps(d, PCI_CAPABILITY_LIST);
662 show_htype2(struct device *d)
665 word cmd = get_conf_word(d, PCI_COMMAND);
666 word brc = get_conf_word(d, PCI_CB_BRIDGE_CONTROL);
668 int verb = verbose > 2;
671 printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
672 get_conf_byte(d, PCI_CB_PRIMARY_BUS),
673 get_conf_byte(d, PCI_CB_CARD_BUS),
674 get_conf_byte(d, PCI_CB_SUBORDINATE_BUS),
675 get_conf_byte(d, PCI_CB_LATENCY_TIMER));
679 u32 base = get_conf_long(d, PCI_CB_MEMORY_BASE_0 + p);
680 u32 limit = get_conf_long(d, PCI_CB_MEMORY_LIMIT_0 + p);
681 limit = limit + 0xfff;
682 if (base <= limit || verb)
683 printf("\tMemory window %d: %08x-%08x%s%s\n", i, base, limit,
684 (cmd & PCI_COMMAND_MEMORY) ? "" : " [disabled]",
685 (brc & (PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 << i)) ? " (prefetchable)" : "");
690 u32 base = get_conf_long(d, PCI_CB_IO_BASE_0 + p);
691 u32 limit = get_conf_long(d, PCI_CB_IO_LIMIT_0 + p);
692 if (!(base & PCI_IO_RANGE_TYPE_32))
697 base &= PCI_CB_IO_RANGE_MASK;
698 limit = (limit & PCI_CB_IO_RANGE_MASK) + 3;
699 if (base <= limit || verb)
700 printf("\tI/O window %d: %08x-%08x%s\n", i, base, limit,
701 (cmd & PCI_COMMAND_IO) ? "" : " [disabled]");
704 if (get_conf_word(d, PCI_CB_SEC_STATUS) & PCI_STATUS_SIG_SYSTEM_ERROR)
705 printf("\tSecondary status: SERR\n");
707 printf("\tBridgeCtl: Parity%c SERR%c ISA%c VGA%c MAbort%c >Reset%c 16bInt%c PostWrite%c\n",
708 FLAG(brc, PCI_CB_BRIDGE_CTL_PARITY),
709 FLAG(brc, PCI_CB_BRIDGE_CTL_SERR),
710 FLAG(brc, PCI_CB_BRIDGE_CTL_ISA),
711 FLAG(brc, PCI_CB_BRIDGE_CTL_VGA),
712 FLAG(brc, PCI_CB_BRIDGE_CTL_MASTER_ABORT),
713 FLAG(brc, PCI_CB_BRIDGE_CTL_CB_RESET),
714 FLAG(brc, PCI_CB_BRIDGE_CTL_16BIT_INT),
715 FLAG(brc, PCI_CB_BRIDGE_CTL_POST_WRITES));
717 if (d->config_cached < 128)
719 printf("\t<access denied to the rest>\n");
723 exca = get_conf_word(d, PCI_CB_LEGACY_MODE_BASE);
725 printf("\t16-bit legacy interface ports at %04x\n", exca);
726 show_caps(d, PCI_CB_CAPABILITY_LIST);
730 show_verbose(struct device *d)
732 struct pci_dev *p = d->dev;
733 word status = get_conf_word(d, PCI_STATUS);
734 word cmd = get_conf_word(d, PCI_COMMAND);
735 word class = p->device_class;
736 byte bist = get_conf_byte(d, PCI_BIST);
737 byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
738 byte latency = get_conf_byte(d, PCI_LATENCY_TIMER);
739 byte cache_line = get_conf_byte(d, PCI_CACHE_LINE_SIZE);
740 byte max_lat, min_gnt;
741 byte int_pin = get_conf_byte(d, PCI_INTERRUPT_PIN);
743 char *dt_node, *iommu_group;
747 pci_fill_info(p, PCI_FILL_IRQ | PCI_FILL_BASES | PCI_FILL_ROM_BASE | PCI_FILL_SIZES |
748 PCI_FILL_PHYS_SLOT | PCI_FILL_NUMA_NODE | PCI_FILL_DT_NODE | PCI_FILL_IOMMU_GROUP |
749 PCI_FILL_BRIDGE_BASES | PCI_FILL_CLASS_EXT | PCI_FILL_SUBSYS);
754 case PCI_HEADER_TYPE_NORMAL:
755 if (class == PCI_CLASS_BRIDGE_PCI)
756 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
757 max_lat = get_conf_byte(d, PCI_MAX_LAT);
758 min_gnt = get_conf_byte(d, PCI_MIN_GNT);
760 case PCI_HEADER_TYPE_BRIDGE:
761 if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
762 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
763 min_gnt = max_lat = 0;
765 case PCI_HEADER_TYPE_CARDBUS:
766 if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
767 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
768 min_gnt = max_lat = 0;
771 printf("\t!!! Unknown header type %02x\n", htype);
776 printf("\tPhysical Slot: %s\n", p->phy_slot);
778 if (dt_node = pci_get_string_property(p, PCI_FILL_DT_NODE))
779 printf("\tDevice tree node: %s\n", dt_node);
783 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",
784 FLAG(cmd, PCI_COMMAND_IO),
785 FLAG(cmd, PCI_COMMAND_MEMORY),
786 FLAG(cmd, PCI_COMMAND_MASTER),
787 FLAG(cmd, PCI_COMMAND_SPECIAL),
788 FLAG(cmd, PCI_COMMAND_INVALIDATE),
789 FLAG(cmd, PCI_COMMAND_VGA_PALETTE),
790 FLAG(cmd, PCI_COMMAND_PARITY),
791 FLAG(cmd, PCI_COMMAND_WAIT),
792 FLAG(cmd, PCI_COMMAND_SERR),
793 FLAG(cmd, PCI_COMMAND_FAST_BACK),
794 FLAG(cmd, PCI_COMMAND_DISABLE_INTx));
795 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",
796 FLAG(status, PCI_STATUS_CAP_LIST),
797 FLAG(status, PCI_STATUS_66MHZ),
798 FLAG(status, PCI_STATUS_UDF),
799 FLAG(status, PCI_STATUS_FAST_BACK),
800 FLAG(status, PCI_STATUS_PARITY),
801 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
802 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
803 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
804 FLAG(status, PCI_STATUS_SIG_TARGET_ABORT),
805 FLAG(status, PCI_STATUS_REC_TARGET_ABORT),
806 FLAG(status, PCI_STATUS_REC_MASTER_ABORT),
807 FLAG(status, PCI_STATUS_SIG_SYSTEM_ERROR),
808 FLAG(status, PCI_STATUS_DETECTED_PARITY),
809 FLAG(status, PCI_STATUS_INTx));
810 if (cmd & PCI_COMMAND_MASTER)
812 printf("\tLatency: %d", latency);
813 if (min_gnt || max_lat)
817 printf("%dns min", min_gnt*250);
818 if (min_gnt && max_lat)
821 printf("%dns max", max_lat*250);
825 printf(", Cache Line Size: %d bytes", cache_line * 4);
829 printf("\tInterrupt: pin %c routed to IRQ " PCIIRQ_FMT "\n",
830 (int_pin ? 'A' + int_pin - 1 : '?'), irq);
831 if (p->numa_node != -1)
832 printf("\tNUMA node: %d\n", p->numa_node);
833 if (iommu_group = pci_get_string_property(p, PCI_FILL_IOMMU_GROUP))
834 printf("\tIOMMU group: %s\n", iommu_group);
839 if (cmd & PCI_COMMAND_MASTER)
840 printf("bus master, ");
841 if (cmd & PCI_COMMAND_VGA_PALETTE)
842 printf("VGA palette snoop, ");
843 if (cmd & PCI_COMMAND_WAIT)
844 printf("stepping, ");
845 if (cmd & PCI_COMMAND_FAST_BACK)
846 printf("fast Back2Back, ");
847 if (status & PCI_STATUS_66MHZ)
849 if (status & PCI_STATUS_UDF)
850 printf("user-definable features, ");
852 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
853 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
854 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??");
855 if (cmd & PCI_COMMAND_MASTER)
856 printf(", latency %d", latency);
858 printf(", IRQ " PCIIRQ_FMT, irq);
859 if (p->numa_node != -1)
860 printf(", NUMA node %d", p->numa_node);
861 if (iommu_group = pci_get_string_property(p, PCI_FILL_IOMMU_GROUP))
862 printf(", IOMMU group %s", iommu_group);
866 if (bist & PCI_BIST_CAPABLE)
868 if (bist & PCI_BIST_START)
869 printf("\tBIST is running\n");
871 printf("\tBIST result: %02x\n", bist & PCI_BIST_CODE_MASK);
876 case PCI_HEADER_TYPE_NORMAL:
879 case PCI_HEADER_TYPE_BRIDGE:
882 case PCI_HEADER_TYPE_CARDBUS:
888 /*** Machine-readable dumps ***/
891 show_hex_dump(struct device *d)
895 cnt = d->config_cached;
896 if (opt_hex >= 3 && config_fetch(d, cnt, 256-cnt))
899 if (opt_hex >= 4 && config_fetch(d, 256, 4096-256))
903 for (i=0; i<cnt; i++)
907 printf(" %02x", get_conf_byte(d, i));
914 print_shell_escaped(char *c)
919 if (*c == '"' || *c == '\\')
927 show_machine(struct device *d)
929 struct pci_dev *p = d->dev;
930 char classbuf[128], vendbuf[128], devbuf[128], svbuf[128], sdbuf[128];
931 char *dt_node, *iommu_group;
935 pci_fill_info(p, PCI_FILL_PHYS_SLOT | PCI_FILL_NUMA_NODE | PCI_FILL_DT_NODE | PCI_FILL_IOMMU_GROUP);
936 printf((opt_machine >= 2) ? "Slot:\t" : "Device:\t");
939 printf("Class:\t%s\n",
940 pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
941 printf("Vendor:\t%s\n",
942 pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
943 printf("Device:\t%s\n",
944 pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
945 if ((p->known_fields & PCI_FILL_SUBSYS) &&
946 p->subsys_vendor_id && p->subsys_vendor_id != 0xffff)
948 printf("SVendor:\t%s\n",
949 pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, p->subsys_vendor_id));
950 printf("SDevice:\t%s\n",
951 pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, p->subsys_vendor_id, p->subsys_id));
954 printf("PhySlot:\t%s\n", p->phy_slot);
955 if ((p->known_fields & PCI_FILL_CLASS_EXT) && p->rev_id)
956 printf("Rev:\t%02x\n", p->rev_id);
957 if (p->known_fields & PCI_FILL_CLASS_EXT)
958 printf("ProgIf:\t%02x\n", p->prog_if);
960 show_kernel_machine(d);
961 if (p->numa_node != -1)
962 printf("NUMANode:\t%d\n", p->numa_node);
963 if (dt_node = pci_get_string_property(p, PCI_FILL_DT_NODE))
964 printf("DTNode:\t%s\n", dt_node);
965 if (iommu_group = pci_get_string_property(p, PCI_FILL_IOMMU_GROUP))
966 printf("IOMMUGroup:\t%s\n", iommu_group);
971 print_shell_escaped(pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
972 print_shell_escaped(pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
973 print_shell_escaped(pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
974 if ((p->known_fields & PCI_FILL_CLASS_EXT) && p->rev_id)
975 printf(" -r%02x", p->rev_id);
976 if (p->known_fields & PCI_FILL_CLASS_EXT)
977 printf(" -p%02x", p->prog_if);
978 if ((p->known_fields & PCI_FILL_SUBSYS) &&
979 p->subsys_vendor_id && p->subsys_vendor_id != 0xffff)
981 print_shell_escaped(pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, p->subsys_vendor_id));
982 print_shell_escaped(pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, p->subsys_vendor_id, p->subsys_id));
985 printf(" \"\" \"\"");
990 /*** Main show function ***/
993 show_device(struct device *d)
1003 if (opt_kernel || verbose)
1008 if (verbose || opt_hex)
1017 for (d=first_dev; d; d=d->next)
1018 if (pci_filter_match(&filter, d->dev))
1025 main(int argc, char **argv)
1030 if (argc == 2 && !strcmp(argv[1], "--version"))
1032 puts("lspci version " PCIUTILS_VERSION);
1038 pci_filter_init(pacc, &filter);
1040 while ((i = getopt(argc, argv, options)) != -1)
1044 pacc->numeric_ids++;
1050 pacc->buscentric = 1;
1053 if (msg = pci_filter_parse_slot(&filter, optarg))
1058 if (msg = pci_filter_parse_id(&filter, optarg))
1074 pci_set_name_list_path(pacc, optarg, 0);
1080 opt_pcimap = optarg;
1103 die("DNS queries are not available in this version");
1106 if (parse_generic_option(i, pacc, optarg))
1109 fprintf(stderr, help_msg, pacc->id_file_name);
1117 pacc->id_lookup_mode |= PCI_LOOKUP_NETWORK;
1118 if (opt_query_dns > 1)
1119 pacc->id_lookup_mode |= PCI_LOOKUP_REFRESH_CACHE;
1122 pacc->id_lookup_mode |= PCI_LOOKUP_NETWORK | PCI_LOOKUP_SKIP_LOCAL;
1128 die("Bus mapping mode does not recognize bus topology");
1138 show_forest(opt_filter ? &filter : NULL);
1142 show_kernel_cleanup();
1145 return (seen_errors ? 2 : 0);