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);
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 get_subid(struct device *d, word *subvp, word *subdp)
291 byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
293 if (htype == PCI_HEADER_TYPE_NORMAL)
295 *subvp = get_conf_word(d, PCI_SUBSYSTEM_VENDOR_ID);
296 *subdp = get_conf_word(d, PCI_SUBSYSTEM_ID);
298 else if (htype == PCI_HEADER_TYPE_CARDBUS && d->config_cached >= 128)
300 *subvp = get_conf_word(d, PCI_CB_SUBSYSTEM_VENDOR_ID);
301 *subdp = get_conf_word(d, PCI_CB_SUBSYSTEM_ID);
304 *subvp = *subdp = 0xffff;
308 show_terse(struct device *d)
311 struct pci_dev *p = d->dev;
312 char classbuf[128], devbuf[128];
316 pci_lookup_name(pacc, classbuf, sizeof(classbuf),
319 pci_lookup_name(pacc, devbuf, sizeof(devbuf),
320 PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
321 p->vendor_id, p->device_id));
322 if (c = get_conf_byte(d, PCI_REVISION_ID))
323 printf(" (rev %02x)", c);
327 c = get_conf_byte(d, PCI_CLASS_PROG);
328 x = pci_lookup_name(pacc, devbuf, sizeof(devbuf),
329 PCI_LOOKUP_PROGIF | PCI_LOOKUP_NO_NUMBERS,
333 printf(" (prog-if %02x", c);
341 if (verbose || opt_kernel)
343 word subsys_v, subsys_d;
346 pci_fill_info(p, PCI_FILL_LABEL);
349 printf("\tDeviceName: %s", p->label);
350 get_subid(d, &subsys_v, &subsys_d);
351 if (subsys_v && subsys_v != 0xffff)
352 printf("\tSubsystem: %s\n",
353 pci_lookup_name(pacc, ssnamebuf, sizeof(ssnamebuf),
354 PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
355 p->vendor_id, p->device_id, subsys_v, subsys_d));
359 /*** Verbose output ***/
364 static const char suffix[][2] = { "", "K", "M", "G", "T" };
368 for (i = 0; i < (sizeof(suffix) / sizeof(*suffix) - 1); i++) {
373 printf(" [size=%u%s]", (unsigned)x, suffix[i]);
377 show_range(char *prefix, u64 base, u64 limit, int is_64bit)
379 printf("%s:", prefix);
380 if (base <= limit || verbose > 2)
383 printf(" %016" PCI_U64_FMT_X "-%016" PCI_U64_FMT_X, base, limit);
385 printf(" %08x-%08x", (unsigned) base, (unsigned) limit);
388 show_size(limit - base + 1);
390 printf(" [disabled]");
395 show_bases(struct device *d, int cnt)
397 struct pci_dev *p = d->dev;
398 word cmd = get_conf_word(d, PCI_COMMAND);
402 for (i=0; i<cnt; i++)
404 pciaddr_t pos = p->base_addr[i];
405 pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->size[i] : 0;
406 pciaddr_t ioflg = (p->known_fields & PCI_FILL_IO_FLAGS) ? p->flags[i] : 0;
407 u32 flg = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
412 if (flg == 0xffffffff)
414 if (!pos && !flg && !len)
418 printf("\tRegion %d: ", i);
422 /* Read address as seen by the hardware */
423 if (flg & PCI_BASE_ADDRESS_SPACE_IO)
424 hw_lower = flg & PCI_BASE_ADDRESS_IO_MASK;
427 hw_lower = flg & PCI_BASE_ADDRESS_MEM_MASK;
428 if ((flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK) == PCI_BASE_ADDRESS_MEM_TYPE_64)
435 hw_upper = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
440 /* Detect virtual regions, which are reported by the OS, but unassigned in the device */
441 if (pos && !hw_lower && !hw_upper && !(ioflg & PCI_IORESOURCE_PCI_EA_BEI))
447 /* Print base address */
448 if (flg & PCI_BASE_ADDRESS_SPACE_IO)
450 pciaddr_t a = pos & PCI_BASE_ADDRESS_IO_MASK;
451 printf("I/O ports at ");
452 if (a || (cmd & PCI_COMMAND_IO))
453 printf(PCIADDR_PORT_FMT, a);
457 printf("<unassigned>");
459 printf(" [virtual]");
460 else if (!(cmd & PCI_COMMAND_IO))
461 printf(" [disabled]");
465 int t = flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK;
466 pciaddr_t a = pos & PCI_ADDR_MEM_MASK;
468 printf("Memory at ");
470 printf("<broken-64-bit-slot>");
472 printf(PCIADDR_T_FMT, a);
473 else if (hw_lower || hw_upper)
476 printf("<unassigned>");
477 printf(" (%s, %sprefetchable)",
478 (t == PCI_BASE_ADDRESS_MEM_TYPE_32) ? "32-bit" :
479 (t == PCI_BASE_ADDRESS_MEM_TYPE_64) ? "64-bit" :
480 (t == PCI_BASE_ADDRESS_MEM_TYPE_1M) ? "low-1M" : "type 3",
481 (flg & PCI_BASE_ADDRESS_MEM_PREFETCH) ? "" : "non-");
483 printf(" [virtual]");
484 else if (!(cmd & PCI_COMMAND_MEMORY))
485 printf(" [disabled]");
488 if (ioflg & PCI_IORESOURCE_PCI_EA_BEI)
489 printf(" [enhanced]");
497 show_rom(struct device *d, int reg)
499 struct pci_dev *p = d->dev;
500 pciaddr_t rom = p->rom_base_addr;
501 pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->rom_size : 0;
502 pciaddr_t ioflg = (p->known_fields & PCI_FILL_IO_FLAGS) ? p->rom_flags : 0;
503 u32 flg = get_conf_long(d, reg);
504 word cmd = get_conf_word(d, PCI_COMMAND);
507 if (!rom && !flg && !len)
510 if (ioflg & PCI_IORESOURCE_PCI_EA_BEI)
511 printf("[enhanced] ");
512 else if ((rom & PCI_ROM_ADDRESS_MASK) && !(flg & PCI_ROM_ADDRESS_MASK))
514 printf("[virtual] ");
518 printf("Expansion ROM at ");
519 if (rom & PCI_ROM_ADDRESS_MASK)
520 printf(PCIADDR_T_FMT, rom & PCI_ROM_ADDRESS_MASK);
521 else if (flg & PCI_ROM_ADDRESS_MASK)
524 printf("<unassigned>");
525 if (!(flg & PCI_ROM_ADDRESS_ENABLE))
526 printf(" [disabled]");
527 else if (!virtual && !(cmd & PCI_COMMAND_MEMORY))
528 printf(" [disabled by cmd]");
534 show_htype0(struct device *d)
537 show_rom(d, PCI_ROM_ADDRESS);
538 show_caps(d, PCI_CAPABILITY_LIST);
542 show_htype1(struct device *d)
544 u32 io_base = get_conf_byte(d, PCI_IO_BASE);
545 u32 io_limit = get_conf_byte(d, PCI_IO_LIMIT);
546 u32 io_type = io_base & PCI_IO_RANGE_TYPE_MASK;
547 u32 mem_base = get_conf_word(d, PCI_MEMORY_BASE);
548 u32 mem_limit = get_conf_word(d, PCI_MEMORY_LIMIT);
549 u32 mem_type = mem_base & PCI_MEMORY_RANGE_TYPE_MASK;
550 u32 pref_base = get_conf_word(d, PCI_PREF_MEMORY_BASE);
551 u32 pref_limit = get_conf_word(d, PCI_PREF_MEMORY_LIMIT);
552 u32 pref_type = pref_base & PCI_PREF_RANGE_TYPE_MASK;
553 word sec_stat = get_conf_word(d, PCI_SEC_STATUS);
554 word brc = get_conf_word(d, PCI_BRIDGE_CONTROL);
557 printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
558 get_conf_byte(d, PCI_PRIMARY_BUS),
559 get_conf_byte(d, PCI_SECONDARY_BUS),
560 get_conf_byte(d, PCI_SUBORDINATE_BUS),
561 get_conf_byte(d, PCI_SEC_LATENCY_TIMER));
563 if (io_type != (io_limit & PCI_IO_RANGE_TYPE_MASK) ||
564 (io_type != PCI_IO_RANGE_TYPE_16 && io_type != PCI_IO_RANGE_TYPE_32))
565 printf("\t!!! Unknown I/O range types %x/%x\n", io_base, io_limit);
568 io_base = (io_base & PCI_IO_RANGE_MASK) << 8;
569 io_limit = (io_limit & PCI_IO_RANGE_MASK) << 8;
570 if (io_type == PCI_IO_RANGE_TYPE_32)
572 io_base |= (get_conf_word(d, PCI_IO_BASE_UPPER16) << 16);
573 io_limit |= (get_conf_word(d, PCI_IO_LIMIT_UPPER16) << 16);
575 show_range("\tI/O behind bridge", io_base, io_limit+0xfff, 0);
578 if (mem_type != (mem_limit & PCI_MEMORY_RANGE_TYPE_MASK) ||
580 printf("\t!!! Unknown memory range types %x/%x\n", mem_base, mem_limit);
583 mem_base = (mem_base & PCI_MEMORY_RANGE_MASK) << 16;
584 mem_limit = (mem_limit & PCI_MEMORY_RANGE_MASK) << 16;
585 show_range("\tMemory behind bridge", mem_base, mem_limit + 0xfffff, 0);
588 if (pref_type != (pref_limit & PCI_PREF_RANGE_TYPE_MASK) ||
589 (pref_type != PCI_PREF_RANGE_TYPE_32 && pref_type != PCI_PREF_RANGE_TYPE_64))
590 printf("\t!!! Unknown prefetchable memory range types %x/%x\n", pref_base, pref_limit);
593 u64 pref_base_64 = (pref_base & PCI_PREF_RANGE_MASK) << 16;
594 u64 pref_limit_64 = (pref_limit & PCI_PREF_RANGE_MASK) << 16;
595 if (pref_type == PCI_PREF_RANGE_TYPE_64)
597 pref_base_64 |= (u64) get_conf_long(d, PCI_PREF_BASE_UPPER32) << 32;
598 pref_limit_64 |= (u64) get_conf_long(d, PCI_PREF_LIMIT_UPPER32) << 32;
600 show_range("\tPrefetchable memory behind bridge", pref_base_64, pref_limit_64 + 0xfffff, (pref_type == PCI_PREF_RANGE_TYPE_64));
604 printf("\tSecondary status: 66MHz%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c <SERR%c <PERR%c\n",
605 FLAG(sec_stat, PCI_STATUS_66MHZ),
606 FLAG(sec_stat, PCI_STATUS_FAST_BACK),
607 FLAG(sec_stat, PCI_STATUS_PARITY),
608 ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
609 ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
610 ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
611 FLAG(sec_stat, PCI_STATUS_SIG_TARGET_ABORT),
612 FLAG(sec_stat, PCI_STATUS_REC_TARGET_ABORT),
613 FLAG(sec_stat, PCI_STATUS_REC_MASTER_ABORT),
614 FLAG(sec_stat, PCI_STATUS_SIG_SYSTEM_ERROR),
615 FLAG(sec_stat, PCI_STATUS_DETECTED_PARITY));
617 show_rom(d, PCI_ROM_ADDRESS1);
621 printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c VGA16%c MAbort%c >Reset%c FastB2B%c\n",
622 FLAG(brc, PCI_BRIDGE_CTL_PARITY),
623 FLAG(brc, PCI_BRIDGE_CTL_SERR),
624 FLAG(brc, PCI_BRIDGE_CTL_NO_ISA),
625 FLAG(brc, PCI_BRIDGE_CTL_VGA),
626 FLAG(brc, PCI_BRIDGE_CTL_VGA_16BIT),
627 FLAG(brc, PCI_BRIDGE_CTL_MASTER_ABORT),
628 FLAG(brc, PCI_BRIDGE_CTL_BUS_RESET),
629 FLAG(brc, PCI_BRIDGE_CTL_FAST_BACK));
630 printf("\t\tPriDiscTmr%c SecDiscTmr%c DiscTmrStat%c DiscTmrSERREn%c\n",
631 FLAG(brc, PCI_BRIDGE_CTL_PRI_DISCARD_TIMER),
632 FLAG(brc, PCI_BRIDGE_CTL_SEC_DISCARD_TIMER),
633 FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_STATUS),
634 FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN));
637 show_caps(d, PCI_CAPABILITY_LIST);
641 show_htype2(struct device *d)
644 word cmd = get_conf_word(d, PCI_COMMAND);
645 word brc = get_conf_word(d, PCI_CB_BRIDGE_CONTROL);
647 int verb = verbose > 2;
650 printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
651 get_conf_byte(d, PCI_CB_PRIMARY_BUS),
652 get_conf_byte(d, PCI_CB_CARD_BUS),
653 get_conf_byte(d, PCI_CB_SUBORDINATE_BUS),
654 get_conf_byte(d, PCI_CB_LATENCY_TIMER));
658 u32 base = get_conf_long(d, PCI_CB_MEMORY_BASE_0 + p);
659 u32 limit = get_conf_long(d, PCI_CB_MEMORY_LIMIT_0 + p);
660 limit = limit + 0xfff;
661 if (base <= limit || verb)
662 printf("\tMemory window %d: %08x-%08x%s%s\n", i, base, limit,
663 (cmd & PCI_COMMAND_MEMORY) ? "" : " [disabled]",
664 (brc & (PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 << i)) ? " (prefetchable)" : "");
669 u32 base = get_conf_long(d, PCI_CB_IO_BASE_0 + p);
670 u32 limit = get_conf_long(d, PCI_CB_IO_LIMIT_0 + p);
671 if (!(base & PCI_IO_RANGE_TYPE_32))
676 base &= PCI_CB_IO_RANGE_MASK;
677 limit = (limit & PCI_CB_IO_RANGE_MASK) + 3;
678 if (base <= limit || verb)
679 printf("\tI/O window %d: %08x-%08x%s\n", i, base, limit,
680 (cmd & PCI_COMMAND_IO) ? "" : " [disabled]");
683 if (get_conf_word(d, PCI_CB_SEC_STATUS) & PCI_STATUS_SIG_SYSTEM_ERROR)
684 printf("\tSecondary status: SERR\n");
686 printf("\tBridgeCtl: Parity%c SERR%c ISA%c VGA%c MAbort%c >Reset%c 16bInt%c PostWrite%c\n",
687 FLAG(brc, PCI_CB_BRIDGE_CTL_PARITY),
688 FLAG(brc, PCI_CB_BRIDGE_CTL_SERR),
689 FLAG(brc, PCI_CB_BRIDGE_CTL_ISA),
690 FLAG(brc, PCI_CB_BRIDGE_CTL_VGA),
691 FLAG(brc, PCI_CB_BRIDGE_CTL_MASTER_ABORT),
692 FLAG(brc, PCI_CB_BRIDGE_CTL_CB_RESET),
693 FLAG(brc, PCI_CB_BRIDGE_CTL_16BIT_INT),
694 FLAG(brc, PCI_CB_BRIDGE_CTL_POST_WRITES));
696 if (d->config_cached < 128)
698 printf("\t<access denied to the rest>\n");
702 exca = get_conf_word(d, PCI_CB_LEGACY_MODE_BASE);
704 printf("\t16-bit legacy interface ports at %04x\n", exca);
705 show_caps(d, PCI_CB_CAPABILITY_LIST);
709 show_verbose(struct device *d)
711 struct pci_dev *p = d->dev;
712 word status = get_conf_word(d, PCI_STATUS);
713 word cmd = get_conf_word(d, PCI_COMMAND);
714 word class = p->device_class;
715 byte bist = get_conf_byte(d, PCI_BIST);
716 byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
717 byte latency = get_conf_byte(d, PCI_LATENCY_TIMER);
718 byte cache_line = get_conf_byte(d, PCI_CACHE_LINE_SIZE);
719 byte max_lat, min_gnt;
720 byte int_pin = get_conf_byte(d, PCI_INTERRUPT_PIN);
726 pci_fill_info(p, PCI_FILL_IRQ | PCI_FILL_BASES | PCI_FILL_ROM_BASE | PCI_FILL_SIZES |
727 PCI_FILL_PHYS_SLOT | PCI_FILL_NUMA_NODE | PCI_FILL_DT_NODE);
732 case PCI_HEADER_TYPE_NORMAL:
733 if (class == PCI_CLASS_BRIDGE_PCI)
734 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
735 max_lat = get_conf_byte(d, PCI_MAX_LAT);
736 min_gnt = get_conf_byte(d, PCI_MIN_GNT);
738 case PCI_HEADER_TYPE_BRIDGE:
739 if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
740 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
741 min_gnt = max_lat = 0;
743 case PCI_HEADER_TYPE_CARDBUS:
744 if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
745 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
746 min_gnt = max_lat = 0;
749 printf("\t!!! Unknown header type %02x\n", htype);
754 printf("\tPhysical Slot: %s\n", p->phy_slot);
756 if (dt_node = pci_get_string_property(p, PCI_FILL_DT_NODE))
757 printf("\tDevice tree node: %s\n", dt_node);
761 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",
762 FLAG(cmd, PCI_COMMAND_IO),
763 FLAG(cmd, PCI_COMMAND_MEMORY),
764 FLAG(cmd, PCI_COMMAND_MASTER),
765 FLAG(cmd, PCI_COMMAND_SPECIAL),
766 FLAG(cmd, PCI_COMMAND_INVALIDATE),
767 FLAG(cmd, PCI_COMMAND_VGA_PALETTE),
768 FLAG(cmd, PCI_COMMAND_PARITY),
769 FLAG(cmd, PCI_COMMAND_WAIT),
770 FLAG(cmd, PCI_COMMAND_SERR),
771 FLAG(cmd, PCI_COMMAND_FAST_BACK),
772 FLAG(cmd, PCI_COMMAND_DISABLE_INTx));
773 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",
774 FLAG(status, PCI_STATUS_CAP_LIST),
775 FLAG(status, PCI_STATUS_66MHZ),
776 FLAG(status, PCI_STATUS_UDF),
777 FLAG(status, PCI_STATUS_FAST_BACK),
778 FLAG(status, PCI_STATUS_PARITY),
779 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
780 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
781 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
782 FLAG(status, PCI_STATUS_SIG_TARGET_ABORT),
783 FLAG(status, PCI_STATUS_REC_TARGET_ABORT),
784 FLAG(status, PCI_STATUS_REC_MASTER_ABORT),
785 FLAG(status, PCI_STATUS_SIG_SYSTEM_ERROR),
786 FLAG(status, PCI_STATUS_DETECTED_PARITY),
787 FLAG(status, PCI_STATUS_INTx));
788 if (cmd & PCI_COMMAND_MASTER)
790 printf("\tLatency: %d", latency);
791 if (min_gnt || max_lat)
795 printf("%dns min", min_gnt*250);
796 if (min_gnt && max_lat)
799 printf("%dns max", max_lat*250);
803 printf(", Cache Line Size: %d bytes", cache_line * 4);
807 printf("\tInterrupt: pin %c routed to IRQ " PCIIRQ_FMT "\n",
808 (int_pin ? 'A' + int_pin - 1 : '?'), irq);
809 if (p->numa_node != -1)
810 printf("\tNUMA node: %d\n", p->numa_node);
815 if (cmd & PCI_COMMAND_MASTER)
816 printf("bus master, ");
817 if (cmd & PCI_COMMAND_VGA_PALETTE)
818 printf("VGA palette snoop, ");
819 if (cmd & PCI_COMMAND_WAIT)
820 printf("stepping, ");
821 if (cmd & PCI_COMMAND_FAST_BACK)
822 printf("fast Back2Back, ");
823 if (status & PCI_STATUS_66MHZ)
825 if (status & PCI_STATUS_UDF)
826 printf("user-definable features, ");
828 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
829 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
830 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??");
831 if (cmd & PCI_COMMAND_MASTER)
832 printf(", latency %d", latency);
834 printf(", IRQ " PCIIRQ_FMT, irq);
835 if (p->numa_node != -1)
836 printf(", NUMA node %d", p->numa_node);
840 if (bist & PCI_BIST_CAPABLE)
842 if (bist & PCI_BIST_START)
843 printf("\tBIST is running\n");
845 printf("\tBIST result: %02x\n", bist & PCI_BIST_CODE_MASK);
850 case PCI_HEADER_TYPE_NORMAL:
853 case PCI_HEADER_TYPE_BRIDGE:
856 case PCI_HEADER_TYPE_CARDBUS:
862 /*** Machine-readable dumps ***/
865 show_hex_dump(struct device *d)
869 cnt = d->config_cached;
870 if (opt_hex >= 3 && config_fetch(d, cnt, 256-cnt))
873 if (opt_hex >= 4 && config_fetch(d, 256, 4096-256))
877 for (i=0; i<cnt; i++)
881 printf(" %02x", get_conf_byte(d, i));
888 print_shell_escaped(char *c)
893 if (*c == '"' || *c == '\\')
901 show_machine(struct device *d)
903 struct pci_dev *p = d->dev;
906 char classbuf[128], vendbuf[128], devbuf[128], svbuf[128], sdbuf[128];
909 get_subid(d, &sv_id, &sd_id);
913 pci_fill_info(p, PCI_FILL_PHYS_SLOT | PCI_FILL_NUMA_NODE | PCI_FILL_DT_NODE);
914 printf((opt_machine >= 2) ? "Slot:\t" : "Device:\t");
917 printf("Class:\t%s\n",
918 pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
919 printf("Vendor:\t%s\n",
920 pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
921 printf("Device:\t%s\n",
922 pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
923 if (sv_id && sv_id != 0xffff)
925 printf("SVendor:\t%s\n",
926 pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, sv_id));
927 printf("SDevice:\t%s\n",
928 pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, sv_id, sd_id));
931 printf("PhySlot:\t%s\n", p->phy_slot);
932 if (c = get_conf_byte(d, PCI_REVISION_ID))
933 printf("Rev:\t%02x\n", c);
934 if (c = get_conf_byte(d, PCI_CLASS_PROG))
935 printf("ProgIf:\t%02x\n", c);
937 show_kernel_machine(d);
938 if (p->numa_node != -1)
939 printf("NUMANode:\t%d\n", p->numa_node);
940 if (dt_node = pci_get_string_property(p, PCI_FILL_DT_NODE))
941 printf("DTNode:\t%s\n", dt_node);
946 print_shell_escaped(pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
947 print_shell_escaped(pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
948 print_shell_escaped(pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
949 if (c = get_conf_byte(d, PCI_REVISION_ID))
950 printf(" -r%02x", c);
951 if (c = get_conf_byte(d, PCI_CLASS_PROG))
952 printf(" -p%02x", c);
953 if (sv_id && sv_id != 0xffff)
955 print_shell_escaped(pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, sv_id));
956 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));
959 printf(" \"\" \"\"");
964 /*** Main show function ***/
967 show_device(struct device *d)
977 if (opt_kernel || verbose)
982 if (verbose || opt_hex)
991 for (d=first_dev; d; d=d->next)
992 if (pci_filter_match(&filter, d->dev))
999 main(int argc, char **argv)
1004 if (argc == 2 && !strcmp(argv[1], "--version"))
1006 puts("lspci version " PCIUTILS_VERSION);
1012 pci_filter_init(pacc, &filter);
1014 while ((i = getopt(argc, argv, options)) != -1)
1018 pacc->numeric_ids++;
1024 pacc->buscentric = 1;
1027 if (msg = pci_filter_parse_slot(&filter, optarg))
1032 if (msg = pci_filter_parse_id(&filter, optarg))
1048 pci_set_name_list_path(pacc, optarg, 0);
1054 opt_pcimap = optarg;
1077 die("DNS queries are not available in this version");
1080 if (parse_generic_option(i, pacc, optarg))
1083 fprintf(stderr, help_msg, pacc->id_file_name);
1091 pacc->id_lookup_mode |= PCI_LOOKUP_NETWORK;
1092 if (opt_query_dns > 1)
1093 pacc->id_lookup_mode |= PCI_LOOKUP_REFRESH_CACHE;
1096 pacc->id_lookup_mode |= PCI_LOOKUP_NETWORK | PCI_LOOKUP_SKIP_LOCAL;
1102 die("Bus mapping mode does not recognize bus topology");
1112 show_forest(opt_filter ? &filter : NULL);
1116 show_kernel_cleanup();
1119 return (seen_errors ? 2 : 0);