2 * The PCI Utilities -- List All PCI Devices
4 * Copyright (c) 1997--2008 Martin Mares <mj@ucw.cz>
6 * Can be freely distributed and used under the terms of the GNU GPL.
15 #define PCIUTILS_LSPCI
20 static int verbose; /* Show detailed information */
21 static int opt_buscentric; /* Show bus addresses/IRQ's instead of CPU-visible ones */
22 static int opt_hex; /* Show contents of config space as hexadecimal numbers */
23 static struct pci_filter filter; /* Device filter */
24 static int opt_tree; /* Show bus tree */
25 static int opt_machine; /* Generate machine-readable output */
26 static int opt_map_mode; /* Bus mapping mode enabled */
27 static int opt_domains; /* Show domain numbers (0=disabled, 1=auto-detected, 2=requested) */
28 static int opt_kernel; /* Show kernel drivers */
29 static int opt_query_dns; /* Query the DNS (0=disabled, 1=enabled, 2=refresh cache) */
30 static int opt_query_all; /* Query the DNS for all entries */
31 static char *opt_pcimap; /* Override path to Linux modules.pcimap */
33 const char program_name[] = "lspci";
35 static char options[] = "nvbxs:d:ti:mgp:qkMDQ" GENERIC_OPTIONS ;
37 static char help_msg[] =
38 "Usage: lspci [<switches>]\n"
40 "Basic display modes:\n"
41 "-mm\t\tProduce machine-readable output (single -m for an obsolete format)\n"
42 "-t\t\tShow bus tree\n"
45 "-v\t\tBe verbose (-vv for very verbose)\n"
47 "-k\t\tShow kernel drivers handling each device\n"
49 "-x\t\tShow hex-dump of the standard part of the config space\n"
50 "-xxx\t\tShow hex-dump of the whole config space (dangerous; root only)\n"
51 "-xxxx\t\tShow hex-dump of the 4096-byte extended config space (root only)\n"
52 "-b\t\tBus-centric view (addresses and IRQ's as seen by the bus)\n"
53 "-D\t\tAlways show domain numbers\n"
55 "Resolving of device ID's to names:\n"
56 "-n\t\tShow numeric ID's\n"
57 "-nn\t\tShow both textual and numeric ID's (names & numbers)\n"
59 "-q\t\tQuery the PCI ID database for unknown ID's via DNS\n"
60 "-qq\t\tAs above, but re-query locally cached entries\n"
61 "-Q\t\tQuery the PCI ID database for all ID's via DNS\n"
64 "Selection of devices:\n"
65 "-s [[[[<domain>]:]<bus>]:][<slot>][.[<func>]]\tShow only devices in selected slots\n"
66 "-d [<vendor>]:[<device>]\t\t\tShow only devices with specified ID's\n"
69 "-i <file>\tUse specified ID database instead of %s\n"
71 "-p <file>\tLook up kernel modules in a given file instead of default modules.pcimap\n"
73 "-M\t\tEnable `bus mapping' mode (dangerous; root only)\n"
75 "PCI access options:\n"
79 /*** Communication with libpci ***/
81 static struct pci_access *pacc;
84 * If we aren't being compiled by GCC, use xmalloc() instead of alloca().
85 * This increases our memory footprint, but only slightly since we don't
88 #if defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) || defined (__DragonFly__)
89 /* alloca() is defined in stdlib.h */
90 #elif defined(__GNUC__) && !defined(PCI_OS_WINDOWS)
94 #define alloca xmalloc
97 /*** Our view of the PCI bus ***/
102 unsigned int config_cached, config_bufsize;
103 byte *config; /* Cached configuration space data */
104 byte *present; /* Maps which configuration bytes are present */
107 static struct device *first_dev;
108 static int seen_errors;
111 config_fetch(struct device *d, unsigned int pos, unsigned int len)
113 unsigned int end = pos+len;
116 while (pos < d->config_bufsize && len && d->present[pos])
118 while (pos+len <= d->config_bufsize && len && d->present[pos+len-1])
123 if (end > d->config_bufsize)
125 int orig_size = d->config_bufsize;
126 while (end > d->config_bufsize)
127 d->config_bufsize *= 2;
128 d->config = xrealloc(d->config, d->config_bufsize);
129 d->present = xrealloc(d->present, d->config_bufsize);
130 memset(d->present + orig_size, 0, d->config_bufsize - orig_size);
132 result = pci_read_block(d->dev, pos, d->config + pos, len);
134 memset(d->present + pos, 1, len);
138 static struct device *
139 scan_device(struct pci_dev *p)
143 if (p->domain && !opt_domains)
145 if (!pci_filter_match(&filter, p))
147 d = xmalloc(sizeof(struct device));
148 memset(d, 0, sizeof(*d));
150 d->config_cached = d->config_bufsize = 64;
151 d->config = xmalloc(64);
152 d->present = xmalloc(64);
153 memset(d->present, 1, 64);
154 if (!pci_read_block(p, 0, d->config, 64))
156 fprintf(stderr, "lspci: Unable to read the standard configuration space header of device %04x:%02x:%02x.%d\n",
157 p->domain, p->bus, p->dev, p->func);
161 if ((d->config[PCI_HEADER_TYPE] & 0x7f) == PCI_HEADER_TYPE_CARDBUS)
163 /* For cardbus bridges, we need to fetch 64 bytes more to get the
164 * full standard header... */
165 if (config_fetch(d, 64, 64))
166 d->config_cached += 64;
168 pci_setup_cache(p, d->config, d->config_cached);
169 pci_fill_info(p, PCI_FILL_IDENT | PCI_FILL_CLASS | PCI_FILL_IRQ | PCI_FILL_BASES | PCI_FILL_ROM_BASE | PCI_FILL_SIZES);
180 for(p=pacc->devices; p; p=p->next)
181 if (d = scan_device(p))
188 /*** Config space accesses ***/
191 check_conf_range(struct device *d, unsigned int pos, unsigned int len)
194 if (!d->present[pos])
195 die("Internal bug: Accessing non-read configuration byte at position %x", pos);
201 get_conf_byte(struct device *d, unsigned int pos)
203 check_conf_range(d, pos, 1);
204 return d->config[pos];
208 get_conf_word(struct device *d, unsigned int pos)
210 check_conf_range(d, pos, 2);
211 return d->config[pos] | (d->config[pos+1] << 8);
215 get_conf_long(struct device *d, unsigned int pos)
217 check_conf_range(d, pos, 4);
218 return d->config[pos] |
219 (d->config[pos+1] << 8) |
220 (d->config[pos+2] << 16) |
221 (d->config[pos+3] << 24);
227 compare_them(const void *A, const void *B)
229 const struct pci_dev *a = (*(const struct device **)A)->dev;
230 const struct pci_dev *b = (*(const struct device **)B)->dev;
232 if (a->domain < b->domain)
234 if (a->domain > b->domain)
244 if (a->func < b->func)
246 if (a->func > b->func)
254 struct device **index, **h, **last_dev;
259 for(d=first_dev; d; d=d->next)
261 h = index = alloca(sizeof(struct device *) * cnt);
262 for(d=first_dev; d; d=d->next)
264 qsort(index, cnt, sizeof(struct device *), compare_them);
265 last_dev = &first_dev;
270 last_dev = &(*h)->next;
276 /*** Normal output ***/
278 #define FLAG(x,y) ((x & y) ? '+' : '-')
281 show_slot_name(struct device *d)
283 struct pci_dev *p = d->dev;
285 if (!opt_machine ? opt_domains : (p->domain || opt_domains >= 2))
286 printf("%04x:", p->domain);
287 printf("%02x:%02x.%d", p->bus, p->dev, p->func);
291 get_subid(struct device *d, word *subvp, word *subdp)
293 byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
295 if (htype == PCI_HEADER_TYPE_NORMAL)
297 *subvp = get_conf_word(d, PCI_SUBSYSTEM_VENDOR_ID);
298 *subdp = get_conf_word(d, PCI_SUBSYSTEM_ID);
300 else if (htype == PCI_HEADER_TYPE_CARDBUS && d->config_cached >= 128)
302 *subvp = get_conf_word(d, PCI_CB_SUBSYSTEM_VENDOR_ID);
303 *subdp = get_conf_word(d, PCI_CB_SUBSYSTEM_ID);
306 *subvp = *subdp = 0xffff;
310 show_terse(struct device *d)
313 struct pci_dev *p = d->dev;
314 char classbuf[128], devbuf[128];
318 pci_lookup_name(pacc, classbuf, sizeof(classbuf),
321 pci_lookup_name(pacc, devbuf, sizeof(devbuf),
322 PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
323 p->vendor_id, p->device_id));
324 if (c = get_conf_byte(d, PCI_REVISION_ID))
325 printf(" (rev %02x)", c);
329 c = get_conf_byte(d, PCI_CLASS_PROG);
330 x = pci_lookup_name(pacc, devbuf, sizeof(devbuf),
331 PCI_LOOKUP_PROGIF | PCI_LOOKUP_NO_NUMBERS,
335 printf(" (prog-if %02x", c);
343 if (verbose || opt_kernel)
345 word subsys_v, subsys_d;
348 get_subid(d, &subsys_v, &subsys_d);
349 if (subsys_v && subsys_v != 0xffff)
350 printf("\tSubsystem: %s\n",
351 pci_lookup_name(pacc, ssnamebuf, sizeof(ssnamebuf),
352 PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
353 p->vendor_id, p->device_id, subsys_v, subsys_d));
357 /*** Capabilities ***/
360 cap_pm(struct device *d, int where, int cap)
363 static int pm_aux_current[8] = { 0, 55, 100, 160, 220, 270, 320, 375 };
365 printf("Power Management version %d\n", cap & PCI_PM_CAP_VER_MASK);
368 printf("\t\tFlags: PMEClk%c DSI%c D1%c D2%c AuxCurrent=%dmA PME(D0%c,D1%c,D2%c,D3hot%c,D3cold%c)\n",
369 FLAG(cap, PCI_PM_CAP_PME_CLOCK),
370 FLAG(cap, PCI_PM_CAP_DSI),
371 FLAG(cap, PCI_PM_CAP_D1),
372 FLAG(cap, PCI_PM_CAP_D2),
373 pm_aux_current[(cap >> 6) & 7],
374 FLAG(cap, PCI_PM_CAP_PME_D0),
375 FLAG(cap, PCI_PM_CAP_PME_D1),
376 FLAG(cap, PCI_PM_CAP_PME_D2),
377 FLAG(cap, PCI_PM_CAP_PME_D3_HOT),
378 FLAG(cap, PCI_PM_CAP_PME_D3_COLD));
379 if (!config_fetch(d, where + PCI_PM_CTRL, PCI_PM_SIZEOF - PCI_PM_CTRL))
381 t = get_conf_word(d, where + PCI_PM_CTRL);
382 printf("\t\tStatus: D%d PME-Enable%c DSel=%d DScale=%d PME%c\n",
383 t & PCI_PM_CTRL_STATE_MASK,
384 FLAG(t, PCI_PM_CTRL_PME_ENABLE),
385 (t & PCI_PM_CTRL_DATA_SEL_MASK) >> 9,
386 (t & PCI_PM_CTRL_DATA_SCALE_MASK) >> 13,
387 FLAG(t, PCI_PM_CTRL_PME_STATUS));
388 b = get_conf_byte(d, where + PCI_PM_PPB_EXTENSIONS);
390 printf("\t\tBridge: PM%c B3%c\n",
391 FLAG(t, PCI_PM_BPCC_ENABLE),
392 FLAG(~t, PCI_PM_PPB_B2_B3));
396 format_agp_rate(int rate, char *buf, int agp3)
406 c += sprintf(c, "x%d", 1 << (i + 2*agp3));
411 strcpy(buf, "<none>");
415 cap_agp(struct device *d, int where, int cap)
422 ver = (cap >> 4) & 0x0f;
424 printf("AGP version %x.%x\n", ver, rev);
427 if (!config_fetch(d, where + PCI_AGP_STATUS, PCI_AGP_SIZEOF - PCI_AGP_STATUS))
429 t = get_conf_long(d, where + PCI_AGP_STATUS);
430 if (ver >= 3 && (t & PCI_AGP_STATUS_AGP3))
432 format_agp_rate(t & 7, rate, agp3);
433 printf("\t\tStatus: RQ=%d Iso%c ArqSz=%d Cal=%d SBA%c ITACoh%c GART64%c HTrans%c 64bit%c FW%c AGP3%c Rate=%s\n",
434 ((t & PCI_AGP_STATUS_RQ_MASK) >> 24U) + 1,
435 FLAG(t, PCI_AGP_STATUS_ISOCH),
436 ((t & PCI_AGP_STATUS_ARQSZ_MASK) >> 13),
437 ((t & PCI_AGP_STATUS_CAL_MASK) >> 10),
438 FLAG(t, PCI_AGP_STATUS_SBA),
439 FLAG(t, PCI_AGP_STATUS_ITA_COH),
440 FLAG(t, PCI_AGP_STATUS_GART64),
441 FLAG(t, PCI_AGP_STATUS_HTRANS),
442 FLAG(t, PCI_AGP_STATUS_64BIT),
443 FLAG(t, PCI_AGP_STATUS_FW),
444 FLAG(t, PCI_AGP_STATUS_AGP3),
446 t = get_conf_long(d, where + PCI_AGP_COMMAND);
447 format_agp_rate(t & 7, rate, agp3);
448 printf("\t\tCommand: RQ=%d ArqSz=%d Cal=%d SBA%c AGP%c GART64%c 64bit%c FW%c Rate=%s\n",
449 ((t & PCI_AGP_COMMAND_RQ_MASK) >> 24U) + 1,
450 ((t & PCI_AGP_COMMAND_ARQSZ_MASK) >> 13),
451 ((t & PCI_AGP_COMMAND_CAL_MASK) >> 10),
452 FLAG(t, PCI_AGP_COMMAND_SBA),
453 FLAG(t, PCI_AGP_COMMAND_AGP),
454 FLAG(t, PCI_AGP_COMMAND_GART64),
455 FLAG(t, PCI_AGP_COMMAND_64BIT),
456 FLAG(t, PCI_AGP_COMMAND_FW),
461 cap_pcix_nobridge(struct device *d, int where)
465 static const byte max_outstanding[8] = { 1, 2, 3, 4, 8, 12, 16, 32 };
467 printf("PCI-X non-bridge device\n");
472 if (!config_fetch(d, where + PCI_PCIX_STATUS, 4))
475 command = get_conf_word(d, where + PCI_PCIX_COMMAND);
476 status = get_conf_long(d, where + PCI_PCIX_STATUS);
477 printf("\t\tCommand: DPERE%c ERO%c RBC=%d OST=%d\n",
478 FLAG(command, PCI_PCIX_COMMAND_DPERE),
479 FLAG(command, PCI_PCIX_COMMAND_ERO),
480 1 << (9 + ((command & PCI_PCIX_COMMAND_MAX_MEM_READ_BYTE_COUNT) >> 2U)),
481 max_outstanding[(command & PCI_PCIX_COMMAND_MAX_OUTSTANDING_SPLIT_TRANS) >> 4U]);
482 printf("\t\tStatus: Dev=%02x:%02x.%d 64bit%c 133MHz%c SCD%c USC%c DC=%s DMMRBC=%u DMOST=%u DMCRS=%u RSCEM%c 266MHz%c 533MHz%c\n",
483 ((status >> 8) & 0xff),
484 ((status >> 3) & 0x1f),
485 (status & PCI_PCIX_STATUS_FUNCTION),
486 FLAG(status, PCI_PCIX_STATUS_64BIT),
487 FLAG(status, PCI_PCIX_STATUS_133MHZ),
488 FLAG(status, PCI_PCIX_STATUS_SC_DISCARDED),
489 FLAG(status, PCI_PCIX_STATUS_UNEXPECTED_SC),
490 ((status & PCI_PCIX_STATUS_DEVICE_COMPLEXITY) ? "bridge" : "simple"),
491 1 << (9 + ((status >> 21) & 3U)),
492 max_outstanding[(status >> 23) & 7U],
493 1 << (3 + ((status >> 26) & 7U)),
494 FLAG(status, PCI_PCIX_STATUS_RCVD_SC_ERR_MESS),
495 FLAG(status, PCI_PCIX_STATUS_266MHZ),
496 FLAG(status, PCI_PCIX_STATUS_533MHZ));
500 cap_pcix_bridge(struct device *d, int where)
502 static const char * const sec_clock_freq[8] = { "conv", "66MHz", "100MHz", "133MHz", "?4", "?5", "?6", "?7" };
504 u32 status, upstcr, downstcr;
506 printf("PCI-X bridge device\n");
511 if (!config_fetch(d, where + PCI_PCIX_BRIDGE_STATUS, 12))
514 secstatus = get_conf_word(d, where + PCI_PCIX_BRIDGE_SEC_STATUS);
515 printf("\t\tSecondary Status: 64bit%c 133MHz%c SCD%c USC%c SCO%c SRD%c Freq=%s\n",
516 FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_64BIT),
517 FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_133MHZ),
518 FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_SC_DISCARDED),
519 FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_UNEXPECTED_SC),
520 FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_SC_OVERRUN),
521 FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_SPLIT_REQUEST_DELAYED),
522 sec_clock_freq[(secstatus >> 6) & 7]);
523 status = get_conf_long(d, where + PCI_PCIX_BRIDGE_STATUS);
524 printf("\t\tStatus: Dev=%02x:%02x.%d 64bit%c 133MHz%c SCD%c USC%c SCO%c SRD%c\n",
525 ((status >> 8) & 0xff),
526 ((status >> 3) & 0x1f),
527 (status & PCI_PCIX_BRIDGE_STATUS_FUNCTION),
528 FLAG(status, PCI_PCIX_BRIDGE_STATUS_64BIT),
529 FLAG(status, PCI_PCIX_BRIDGE_STATUS_133MHZ),
530 FLAG(status, PCI_PCIX_BRIDGE_STATUS_SC_DISCARDED),
531 FLAG(status, PCI_PCIX_BRIDGE_STATUS_UNEXPECTED_SC),
532 FLAG(status, PCI_PCIX_BRIDGE_STATUS_SC_OVERRUN),
533 FLAG(status, PCI_PCIX_BRIDGE_STATUS_SPLIT_REQUEST_DELAYED));
534 upstcr = get_conf_long(d, where + PCI_PCIX_BRIDGE_UPSTREAM_SPLIT_TRANS_CTRL);
535 printf("\t\tUpstream: Capacity=%u CommitmentLimit=%u\n",
536 (upstcr & PCI_PCIX_BRIDGE_STR_CAPACITY),
537 (upstcr >> 16) & 0xffff);
538 downstcr = get_conf_long(d, where + PCI_PCIX_BRIDGE_DOWNSTREAM_SPLIT_TRANS_CTRL);
539 printf("\t\tDownstream: Capacity=%u CommitmentLimit=%u\n",
540 (downstcr & PCI_PCIX_BRIDGE_STR_CAPACITY),
541 (downstcr >> 16) & 0xffff);
545 cap_pcix(struct device *d, int where)
547 switch (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f)
549 case PCI_HEADER_TYPE_NORMAL:
550 cap_pcix_nobridge(d, where);
552 case PCI_HEADER_TYPE_BRIDGE:
553 cap_pcix_bridge(d, where);
559 ht_link_width(unsigned width)
561 static char * const widths[8] = { "8bit", "16bit", "[2]", "32bit", "2bit", "4bit", "[6]", "N/C" };
562 return widths[width];
566 ht_link_freq(unsigned freq)
568 static char * const freqs[16] = { "200MHz", "300MHz", "400MHz", "500MHz", "600MHz", "800MHz", "1.0GHz", "1.2GHz",
569 "1.4GHz", "1.6GHz", "[a]", "[b]", "[c]", "[d]", "[e]", "Vend" };
574 cap_ht_pri(struct device *d, int where, int cmd)
576 u16 lctr0, lcnf0, lctr1, lcnf1, eh;
577 u8 rid, lfrer0, lfcap0, ftr, lfrer1, lfcap1, mbu, mlu, bn;
580 printf("HyperTransport: Slave or Primary Interface\n");
584 if (!config_fetch(d, where + PCI_HT_PRI_LCTR0, PCI_HT_PRI_SIZEOF - PCI_HT_PRI_LCTR0))
586 rid = get_conf_byte(d, where + PCI_HT_PRI_RID);
587 if (rid < 0x22 && rid > 0x11)
588 printf("\t\t!!! Possibly incomplete decoding\n");
591 fmt = "\t\tCommand: BaseUnitID=%u UnitCnt=%u MastHost%c DefDir%c DUL%c\n";
593 fmt = "\t\tCommand: BaseUnitID=%u UnitCnt=%u MastHost%c DefDir%c\n";
595 (cmd & PCI_HT_PRI_CMD_BUID),
596 (cmd & PCI_HT_PRI_CMD_UC) >> 5,
597 FLAG(cmd, PCI_HT_PRI_CMD_MH),
598 FLAG(cmd, PCI_HT_PRI_CMD_DD),
599 FLAG(cmd, PCI_HT_PRI_CMD_DUL));
600 lctr0 = get_conf_word(d, where + PCI_HT_PRI_LCTR0);
602 fmt = "\t\tLink Control 0: CFlE%c CST%c CFE%c <LkFail%c Init%c EOC%c TXO%c <CRCErr=%x IsocEn%c LSEn%c ExtCTL%c 64b%c\n";
604 fmt = "\t\tLink Control 0: CFlE%c CST%c CFE%c <LkFail%c Init%c EOC%c TXO%c <CRCErr=%x\n";
606 FLAG(lctr0, PCI_HT_LCTR_CFLE),
607 FLAG(lctr0, PCI_HT_LCTR_CST),
608 FLAG(lctr0, PCI_HT_LCTR_CFE),
609 FLAG(lctr0, PCI_HT_LCTR_LKFAIL),
610 FLAG(lctr0, PCI_HT_LCTR_INIT),
611 FLAG(lctr0, PCI_HT_LCTR_EOC),
612 FLAG(lctr0, PCI_HT_LCTR_TXO),
613 (lctr0 & PCI_HT_LCTR_CRCERR) >> 8,
614 FLAG(lctr0, PCI_HT_LCTR_ISOCEN),
615 FLAG(lctr0, PCI_HT_LCTR_LSEN),
616 FLAG(lctr0, PCI_HT_LCTR_EXTCTL),
617 FLAG(lctr0, PCI_HT_LCTR_64B));
618 lcnf0 = get_conf_word(d, where + PCI_HT_PRI_LCNF0);
620 fmt = "\t\tLink Config 0: MLWI=%1$s DwFcIn%5$c MLWO=%2$s DwFcOut%6$c LWI=%3$s DwFcInEn%7$c LWO=%4$s DwFcOutEn%8$c\n";
622 fmt = "\t\tLink Config 0: MLWI=%s MLWO=%s LWI=%s LWO=%s\n";
624 ht_link_width(lcnf0 & PCI_HT_LCNF_MLWI),
625 ht_link_width((lcnf0 & PCI_HT_LCNF_MLWO) >> 4),
626 ht_link_width((lcnf0 & PCI_HT_LCNF_LWI) >> 8),
627 ht_link_width((lcnf0 & PCI_HT_LCNF_LWO) >> 12),
628 FLAG(lcnf0, PCI_HT_LCNF_DFI),
629 FLAG(lcnf0, PCI_HT_LCNF_DFO),
630 FLAG(lcnf0, PCI_HT_LCNF_DFIE),
631 FLAG(lcnf0, PCI_HT_LCNF_DFOE));
632 lctr1 = get_conf_word(d, where + PCI_HT_PRI_LCTR1);
634 fmt = "\t\tLink Control 1: CFlE%c CST%c CFE%c <LkFail%c Init%c EOC%c TXO%c <CRCErr=%x IsocEn%c LSEn%c ExtCTL%c 64b%c\n";
636 fmt = "\t\tLink Control 1: CFlE%c CST%c CFE%c <LkFail%c Init%c EOC%c TXO%c <CRCErr=%x\n";
638 FLAG(lctr1, PCI_HT_LCTR_CFLE),
639 FLAG(lctr1, PCI_HT_LCTR_CST),
640 FLAG(lctr1, PCI_HT_LCTR_CFE),
641 FLAG(lctr1, PCI_HT_LCTR_LKFAIL),
642 FLAG(lctr1, PCI_HT_LCTR_INIT),
643 FLAG(lctr1, PCI_HT_LCTR_EOC),
644 FLAG(lctr1, PCI_HT_LCTR_TXO),
645 (lctr1 & PCI_HT_LCTR_CRCERR) >> 8,
646 FLAG(lctr1, PCI_HT_LCTR_ISOCEN),
647 FLAG(lctr1, PCI_HT_LCTR_LSEN),
648 FLAG(lctr1, PCI_HT_LCTR_EXTCTL),
649 FLAG(lctr1, PCI_HT_LCTR_64B));
650 lcnf1 = get_conf_word(d, where + PCI_HT_PRI_LCNF1);
652 fmt = "\t\tLink Config 1: MLWI=%1$s DwFcIn%5$c MLWO=%2$s DwFcOut%6$c LWI=%3$s DwFcInEn%7$c LWO=%4$s DwFcOutEn%8$c\n";
654 fmt = "\t\tLink Config 1: MLWI=%s MLWO=%s LWI=%s LWO=%s\n";
656 ht_link_width(lcnf1 & PCI_HT_LCNF_MLWI),
657 ht_link_width((lcnf1 & PCI_HT_LCNF_MLWO) >> 4),
658 ht_link_width((lcnf1 & PCI_HT_LCNF_LWI) >> 8),
659 ht_link_width((lcnf1 & PCI_HT_LCNF_LWO) >> 12),
660 FLAG(lcnf1, PCI_HT_LCNF_DFI),
661 FLAG(lcnf1, PCI_HT_LCNF_DFO),
662 FLAG(lcnf1, PCI_HT_LCNF_DFIE),
663 FLAG(lcnf1, PCI_HT_LCNF_DFOE));
664 printf("\t\tRevision ID: %u.%02u\n",
665 (rid & PCI_HT_RID_MAJ) >> 5, (rid & PCI_HT_RID_MIN));
668 lfrer0 = get_conf_byte(d, where + PCI_HT_PRI_LFRER0);
669 printf("\t\tLink Frequency 0: %s\n", ht_link_freq(lfrer0 & PCI_HT_LFRER_FREQ));
670 printf("\t\tLink Error 0: <Prot%c <Ovfl%c <EOC%c CTLTm%c\n",
671 FLAG(lfrer0, PCI_HT_LFRER_PROT),
672 FLAG(lfrer0, PCI_HT_LFRER_OV),
673 FLAG(lfrer0, PCI_HT_LFRER_EOC),
674 FLAG(lfrer0, PCI_HT_LFRER_CTLT));
675 lfcap0 = get_conf_byte(d, where + PCI_HT_PRI_LFCAP0);
676 printf("\t\tLink Frequency Capability 0: 200MHz%c 300MHz%c 400MHz%c 500MHz%c 600MHz%c 800MHz%c 1.0GHz%c 1.2GHz%c 1.4GHz%c 1.6GHz%c Vend%c\n",
677 FLAG(lfcap0, PCI_HT_LFCAP_200),
678 FLAG(lfcap0, PCI_HT_LFCAP_300),
679 FLAG(lfcap0, PCI_HT_LFCAP_400),
680 FLAG(lfcap0, PCI_HT_LFCAP_500),
681 FLAG(lfcap0, PCI_HT_LFCAP_600),
682 FLAG(lfcap0, PCI_HT_LFCAP_800),
683 FLAG(lfcap0, PCI_HT_LFCAP_1000),
684 FLAG(lfcap0, PCI_HT_LFCAP_1200),
685 FLAG(lfcap0, PCI_HT_LFCAP_1400),
686 FLAG(lfcap0, PCI_HT_LFCAP_1600),
687 FLAG(lfcap0, PCI_HT_LFCAP_VEND));
688 ftr = get_conf_byte(d, where + PCI_HT_PRI_FTR);
689 printf("\t\tFeature Capability: IsocFC%c LDTSTOP%c CRCTM%c ECTLT%c 64bA%c UIDRD%c\n",
690 FLAG(ftr, PCI_HT_FTR_ISOCFC),
691 FLAG(ftr, PCI_HT_FTR_LDTSTOP),
692 FLAG(ftr, PCI_HT_FTR_CRCTM),
693 FLAG(ftr, PCI_HT_FTR_ECTLT),
694 FLAG(ftr, PCI_HT_FTR_64BA),
695 FLAG(ftr, PCI_HT_FTR_UIDRD));
696 lfrer1 = get_conf_byte(d, where + PCI_HT_PRI_LFRER1);
697 printf("\t\tLink Frequency 1: %s\n", ht_link_freq(lfrer1 & PCI_HT_LFRER_FREQ));
698 printf("\t\tLink Error 1: <Prot%c <Ovfl%c <EOC%c CTLTm%c\n",
699 FLAG(lfrer1, PCI_HT_LFRER_PROT),
700 FLAG(lfrer1, PCI_HT_LFRER_OV),
701 FLAG(lfrer1, PCI_HT_LFRER_EOC),
702 FLAG(lfrer1, PCI_HT_LFRER_CTLT));
703 lfcap1 = get_conf_byte(d, where + PCI_HT_PRI_LFCAP1);
704 printf("\t\tLink Frequency Capability 1: 200MHz%c 300MHz%c 400MHz%c 500MHz%c 600MHz%c 800MHz%c 1.0GHz%c 1.2GHz%c 1.4GHz%c 1.6GHz%c Vend%c\n",
705 FLAG(lfcap1, PCI_HT_LFCAP_200),
706 FLAG(lfcap1, PCI_HT_LFCAP_300),
707 FLAG(lfcap1, PCI_HT_LFCAP_400),
708 FLAG(lfcap1, PCI_HT_LFCAP_500),
709 FLAG(lfcap1, PCI_HT_LFCAP_600),
710 FLAG(lfcap1, PCI_HT_LFCAP_800),
711 FLAG(lfcap1, PCI_HT_LFCAP_1000),
712 FLAG(lfcap1, PCI_HT_LFCAP_1200),
713 FLAG(lfcap1, PCI_HT_LFCAP_1400),
714 FLAG(lfcap1, PCI_HT_LFCAP_1600),
715 FLAG(lfcap1, PCI_HT_LFCAP_VEND));
716 eh = get_conf_word(d, where + PCI_HT_PRI_EH);
717 printf("\t\tError Handling: PFlE%c OFlE%c PFE%c OFE%c EOCFE%c RFE%c CRCFE%c SERRFE%c CF%c RE%c PNFE%c ONFE%c EOCNFE%c RNFE%c CRCNFE%c SERRNFE%c\n",
718 FLAG(eh, PCI_HT_EH_PFLE),
719 FLAG(eh, PCI_HT_EH_OFLE),
720 FLAG(eh, PCI_HT_EH_PFE),
721 FLAG(eh, PCI_HT_EH_OFE),
722 FLAG(eh, PCI_HT_EH_EOCFE),
723 FLAG(eh, PCI_HT_EH_RFE),
724 FLAG(eh, PCI_HT_EH_CRCFE),
725 FLAG(eh, PCI_HT_EH_SERRFE),
726 FLAG(eh, PCI_HT_EH_CF),
727 FLAG(eh, PCI_HT_EH_RE),
728 FLAG(eh, PCI_HT_EH_PNFE),
729 FLAG(eh, PCI_HT_EH_ONFE),
730 FLAG(eh, PCI_HT_EH_EOCNFE),
731 FLAG(eh, PCI_HT_EH_RNFE),
732 FLAG(eh, PCI_HT_EH_CRCNFE),
733 FLAG(eh, PCI_HT_EH_SERRNFE));
734 mbu = get_conf_byte(d, where + PCI_HT_PRI_MBU);
735 mlu = get_conf_byte(d, where + PCI_HT_PRI_MLU);
736 printf("\t\tPrefetchable memory behind bridge Upper: %02x-%02x\n", mbu, mlu);
737 bn = get_conf_byte(d, where + PCI_HT_PRI_BN);
738 printf("\t\tBus Number: %02x\n", bn);
742 cap_ht_sec(struct device *d, int where, int cmd)
744 u16 lctr, lcnf, ftr, eh;
745 u8 rid, lfrer, lfcap, mbu, mlu;
748 printf("HyperTransport: Host or Secondary Interface\n");
752 if (!config_fetch(d, where + PCI_HT_SEC_LCTR, PCI_HT_SEC_SIZEOF - PCI_HT_SEC_LCTR))
754 rid = get_conf_byte(d, where + PCI_HT_SEC_RID);
755 if (rid < 0x22 && rid > 0x11)
756 printf("\t\t!!! Possibly incomplete decoding\n");
759 fmt = "\t\tCommand: WarmRst%c DblEnd%c DevNum=%u ChainSide%c HostHide%c Slave%c <EOCErr%c DUL%c\n";
761 fmt = "\t\tCommand: WarmRst%c DblEnd%c\n";
763 FLAG(cmd, PCI_HT_SEC_CMD_WR),
764 FLAG(cmd, PCI_HT_SEC_CMD_DE),
765 (cmd & PCI_HT_SEC_CMD_DN) >> 2,
766 FLAG(cmd, PCI_HT_SEC_CMD_CS),
767 FLAG(cmd, PCI_HT_SEC_CMD_HH),
768 FLAG(cmd, PCI_HT_SEC_CMD_AS),
769 FLAG(cmd, PCI_HT_SEC_CMD_HIECE),
770 FLAG(cmd, PCI_HT_SEC_CMD_DUL));
771 lctr = get_conf_word(d, where + PCI_HT_SEC_LCTR);
773 fmt = "\t\tLink Control: CFlE%c CST%c CFE%c <LkFail%c Init%c EOC%c TXO%c <CRCErr=%x IsocEn%c LSEn%c ExtCTL%c 64b%c\n";
775 fmt = "\t\tLink Control: CFlE%c CST%c CFE%c <LkFail%c Init%c EOC%c TXO%c <CRCErr=%x\n";
777 FLAG(lctr, PCI_HT_LCTR_CFLE),
778 FLAG(lctr, PCI_HT_LCTR_CST),
779 FLAG(lctr, PCI_HT_LCTR_CFE),
780 FLAG(lctr, PCI_HT_LCTR_LKFAIL),
781 FLAG(lctr, PCI_HT_LCTR_INIT),
782 FLAG(lctr, PCI_HT_LCTR_EOC),
783 FLAG(lctr, PCI_HT_LCTR_TXO),
784 (lctr & PCI_HT_LCTR_CRCERR) >> 8,
785 FLAG(lctr, PCI_HT_LCTR_ISOCEN),
786 FLAG(lctr, PCI_HT_LCTR_LSEN),
787 FLAG(lctr, PCI_HT_LCTR_EXTCTL),
788 FLAG(lctr, PCI_HT_LCTR_64B));
789 lcnf = get_conf_word(d, where + PCI_HT_SEC_LCNF);
791 fmt = "\t\tLink Config: MLWI=%1$s DwFcIn%5$c MLWO=%2$s DwFcOut%6$c LWI=%3$s DwFcInEn%7$c LWO=%4$s DwFcOutEn%8$c\n";
793 fmt = "\t\tLink Config: MLWI=%s MLWO=%s LWI=%s LWO=%s\n";
795 ht_link_width(lcnf & PCI_HT_LCNF_MLWI),
796 ht_link_width((lcnf & PCI_HT_LCNF_MLWO) >> 4),
797 ht_link_width((lcnf & PCI_HT_LCNF_LWI) >> 8),
798 ht_link_width((lcnf & PCI_HT_LCNF_LWO) >> 12),
799 FLAG(lcnf, PCI_HT_LCNF_DFI),
800 FLAG(lcnf, PCI_HT_LCNF_DFO),
801 FLAG(lcnf, PCI_HT_LCNF_DFIE),
802 FLAG(lcnf, PCI_HT_LCNF_DFOE));
803 printf("\t\tRevision ID: %u.%02u\n",
804 (rid & PCI_HT_RID_MAJ) >> 5, (rid & PCI_HT_RID_MIN));
807 lfrer = get_conf_byte(d, where + PCI_HT_SEC_LFRER);
808 printf("\t\tLink Frequency: %s\n", ht_link_freq(lfrer & PCI_HT_LFRER_FREQ));
809 printf("\t\tLink Error: <Prot%c <Ovfl%c <EOC%c CTLTm%c\n",
810 FLAG(lfrer, PCI_HT_LFRER_PROT),
811 FLAG(lfrer, PCI_HT_LFRER_OV),
812 FLAG(lfrer, PCI_HT_LFRER_EOC),
813 FLAG(lfrer, PCI_HT_LFRER_CTLT));
814 lfcap = get_conf_byte(d, where + PCI_HT_SEC_LFCAP);
815 printf("\t\tLink Frequency Capability: 200MHz%c 300MHz%c 400MHz%c 500MHz%c 600MHz%c 800MHz%c 1.0GHz%c 1.2GHz%c 1.4GHz%c 1.6GHz%c Vend%c\n",
816 FLAG(lfcap, PCI_HT_LFCAP_200),
817 FLAG(lfcap, PCI_HT_LFCAP_300),
818 FLAG(lfcap, PCI_HT_LFCAP_400),
819 FLAG(lfcap, PCI_HT_LFCAP_500),
820 FLAG(lfcap, PCI_HT_LFCAP_600),
821 FLAG(lfcap, PCI_HT_LFCAP_800),
822 FLAG(lfcap, PCI_HT_LFCAP_1000),
823 FLAG(lfcap, PCI_HT_LFCAP_1200),
824 FLAG(lfcap, PCI_HT_LFCAP_1400),
825 FLAG(lfcap, PCI_HT_LFCAP_1600),
826 FLAG(lfcap, PCI_HT_LFCAP_VEND));
827 ftr = get_conf_word(d, where + PCI_HT_SEC_FTR);
828 printf("\t\tFeature Capability: IsocFC%c LDTSTOP%c CRCTM%c ECTLT%c 64bA%c UIDRD%c ExtRS%c UCnfE%c\n",
829 FLAG(ftr, PCI_HT_FTR_ISOCFC),
830 FLAG(ftr, PCI_HT_FTR_LDTSTOP),
831 FLAG(ftr, PCI_HT_FTR_CRCTM),
832 FLAG(ftr, PCI_HT_FTR_ECTLT),
833 FLAG(ftr, PCI_HT_FTR_64BA),
834 FLAG(ftr, PCI_HT_FTR_UIDRD),
835 FLAG(ftr, PCI_HT_SEC_FTR_EXTRS),
836 FLAG(ftr, PCI_HT_SEC_FTR_UCNFE));
837 if (ftr & PCI_HT_SEC_FTR_EXTRS)
839 eh = get_conf_word(d, where + PCI_HT_SEC_EH);
840 printf("\t\tError Handling: PFlE%c OFlE%c PFE%c OFE%c EOCFE%c RFE%c CRCFE%c SERRFE%c CF%c RE%c PNFE%c ONFE%c EOCNFE%c RNFE%c CRCNFE%c SERRNFE%c\n",
841 FLAG(eh, PCI_HT_EH_PFLE),
842 FLAG(eh, PCI_HT_EH_OFLE),
843 FLAG(eh, PCI_HT_EH_PFE),
844 FLAG(eh, PCI_HT_EH_OFE),
845 FLAG(eh, PCI_HT_EH_EOCFE),
846 FLAG(eh, PCI_HT_EH_RFE),
847 FLAG(eh, PCI_HT_EH_CRCFE),
848 FLAG(eh, PCI_HT_EH_SERRFE),
849 FLAG(eh, PCI_HT_EH_CF),
850 FLAG(eh, PCI_HT_EH_RE),
851 FLAG(eh, PCI_HT_EH_PNFE),
852 FLAG(eh, PCI_HT_EH_ONFE),
853 FLAG(eh, PCI_HT_EH_EOCNFE),
854 FLAG(eh, PCI_HT_EH_RNFE),
855 FLAG(eh, PCI_HT_EH_CRCNFE),
856 FLAG(eh, PCI_HT_EH_SERRNFE));
857 mbu = get_conf_byte(d, where + PCI_HT_SEC_MBU);
858 mlu = get_conf_byte(d, where + PCI_HT_SEC_MLU);
859 printf("\t\tPrefetchable memory behind bridge Upper: %02x-%02x\n", mbu, mlu);
864 cap_ht(struct device *d, int where, int cmd)
868 switch (cmd & PCI_HT_CMD_TYP_HI)
870 case PCI_HT_CMD_TYP_HI_PRI:
871 cap_ht_pri(d, where, cmd);
873 case PCI_HT_CMD_TYP_HI_SEC:
874 cap_ht_sec(d, where, cmd);
878 type = cmd & PCI_HT_CMD_TYP;
881 case PCI_HT_CMD_TYP_SW:
882 printf("HyperTransport: Switch\n");
884 case PCI_HT_CMD_TYP_IDC:
885 printf("HyperTransport: Interrupt Discovery and Configuration\n");
887 case PCI_HT_CMD_TYP_RID:
888 printf("HyperTransport: Revision ID: %u.%02u\n",
889 (cmd & PCI_HT_RID_MAJ) >> 5, (cmd & PCI_HT_RID_MIN));
891 case PCI_HT_CMD_TYP_UIDC:
892 printf("HyperTransport: UnitID Clumping\n");
894 case PCI_HT_CMD_TYP_ECSA:
895 printf("HyperTransport: Extended Configuration Space Access\n");
897 case PCI_HT_CMD_TYP_AM:
898 printf("HyperTransport: Address Mapping\n");
900 case PCI_HT_CMD_TYP_MSIM:
901 printf("HyperTransport: MSI Mapping Enable%c Fixed%c\n",
902 FLAG(cmd, PCI_HT_MSIM_CMD_EN),
903 FLAG(cmd, PCI_HT_MSIM_CMD_FIXD));
904 if (verbose >= 2 && !(cmd & PCI_HT_MSIM_CMD_FIXD))
907 if (!config_fetch(d, where + PCI_HT_MSIM_ADDR_LO, 8))
909 offl = get_conf_long(d, where + PCI_HT_MSIM_ADDR_LO);
910 offh = get_conf_long(d, where + PCI_HT_MSIM_ADDR_HI);
911 printf("\t\tMapping Address Base: %016llx\n", ((unsigned long long)offh << 32) | (offl & ~0xfffff));
914 case PCI_HT_CMD_TYP_DR:
915 printf("HyperTransport: DirectRoute\n");
917 case PCI_HT_CMD_TYP_VCS:
918 printf("HyperTransport: VCSet\n");
920 case PCI_HT_CMD_TYP_RM:
921 printf("HyperTransport: Retry Mode\n");
923 case PCI_HT_CMD_TYP_X86:
924 printf("HyperTransport: X86 (reserved)\n");
927 printf("HyperTransport: #%02x\n", type >> 11);
932 cap_msi(struct device *d, int where, int cap)
938 printf("MSI: Mask%c 64bit%c Count=%d/%d Enable%c\n",
939 FLAG(cap, PCI_MSI_FLAGS_MASK_BIT),
940 FLAG(cap, PCI_MSI_FLAGS_64BIT),
941 1 << ((cap & PCI_MSI_FLAGS_QSIZE) >> 4),
942 1 << ((cap & PCI_MSI_FLAGS_QMASK) >> 1),
943 FLAG(cap, PCI_MSI_FLAGS_ENABLE));
946 is64 = cap & PCI_MSI_FLAGS_64BIT;
947 if (!config_fetch(d, where + PCI_MSI_ADDRESS_LO, (is64 ? PCI_MSI_DATA_64 : PCI_MSI_DATA_32) + 2 - PCI_MSI_ADDRESS_LO))
949 printf("\t\tAddress: ");
952 t = get_conf_long(d, where + PCI_MSI_ADDRESS_HI);
953 w = get_conf_word(d, where + PCI_MSI_DATA_64);
957 w = get_conf_word(d, where + PCI_MSI_DATA_32);
958 t = get_conf_long(d, where + PCI_MSI_ADDRESS_LO);
959 printf("%08x Data: %04x\n", t, w);
960 if (cap & PCI_MSI_FLAGS_MASK_BIT)
966 if (!config_fetch(d, where + PCI_MSI_MASK_BIT_64, 8))
968 mask = get_conf_long(d, where + PCI_MSI_MASK_BIT_64);
969 pending = get_conf_long(d, where + PCI_MSI_PENDING_64);
973 if (!config_fetch(d, where + PCI_MSI_MASK_BIT_32, 8))
975 mask = get_conf_long(d, where + PCI_MSI_MASK_BIT_32);
976 pending = get_conf_long(d, where + PCI_MSI_PENDING_32);
978 printf("\t\tMasking: %08x Pending: %08x\n", mask, pending);
982 static float power_limit(int value, int scale)
984 static const float scales[4] = { 1.0, 0.1, 0.01, 0.001 };
985 return value * scales[scale];
988 static const char *latency_l0s(int value)
990 static const char *latencies[] = { "<64ns", "<128ns", "<256ns", "<512ns", "<1us", "<2us", "<4us", "unlimited" };
991 return latencies[value];
994 static const char *latency_l1(int value)
996 static const char *latencies[] = { "<1us", "<2us", "<4us", "<8us", "<16us", "<32us", "<64us", "unlimited" };
997 return latencies[value];
1000 static void cap_express_dev(struct device *d, int where, int type)
1005 t = get_conf_long(d, where + PCI_EXP_DEVCAP);
1006 printf("\t\tDevCap:\tMaxPayload %d bytes, PhantFunc %d, Latency L0s %s, L1 %s\n",
1007 128 << (t & PCI_EXP_DEVCAP_PAYLOAD),
1008 (1 << ((t & PCI_EXP_DEVCAP_PHANTOM) >> 3)) - 1,
1009 latency_l0s((t & PCI_EXP_DEVCAP_L0S) >> 6),
1010 latency_l1((t & PCI_EXP_DEVCAP_L1) >> 9));
1011 printf("\t\t\tExtTag%c", FLAG(t, PCI_EXP_DEVCAP_EXT_TAG));
1012 if ((type == PCI_EXP_TYPE_ENDPOINT) || (type == PCI_EXP_TYPE_LEG_END) ||
1013 (type == PCI_EXP_TYPE_UPSTREAM) || (type == PCI_EXP_TYPE_PCI_BRIDGE))
1014 printf(" AttnBtn%c AttnInd%c PwrInd%c",
1015 FLAG(t, PCI_EXP_DEVCAP_ATN_BUT),
1016 FLAG(t, PCI_EXP_DEVCAP_ATN_IND), FLAG(t, PCI_EXP_DEVCAP_PWR_IND));
1017 printf(" RBE%c FLReset%c",
1018 FLAG(t, PCI_EXP_DEVCAP_RBE),
1019 FLAG(t, PCI_EXP_DEVCAP_FLRESET));
1020 if (type == PCI_EXP_TYPE_UPSTREAM)
1021 printf("SlotPowerLimit %fW",
1022 power_limit((t & PCI_EXP_DEVCAP_PWR_VAL) >> 18,
1023 (t & PCI_EXP_DEVCAP_PWR_SCL) >> 26));
1026 w = get_conf_word(d, where + PCI_EXP_DEVCTL);
1027 printf("\t\tDevCtl:\tReport errors: Correctable%c Non-Fatal%c Fatal%c Unsupported%c\n",
1028 FLAG(w, PCI_EXP_DEVCTL_CERE),
1029 FLAG(w, PCI_EXP_DEVCTL_NFERE),
1030 FLAG(w, PCI_EXP_DEVCTL_FERE),
1031 FLAG(w, PCI_EXP_DEVCTL_URRE));
1032 printf("\t\t\tRlxdOrd%c ExtTag%c PhantFunc%c AuxPwr%c NoSnoop%c",
1033 FLAG(w, PCI_EXP_DEVCTL_RELAXED),
1034 FLAG(w, PCI_EXP_DEVCTL_EXT_TAG),
1035 FLAG(w, PCI_EXP_DEVCTL_PHANTOM),
1036 FLAG(w, PCI_EXP_DEVCTL_AUX_PME),
1037 FLAG(w, PCI_EXP_DEVCTL_NOSNOOP));
1038 if (type == PCI_EXP_TYPE_PCI_BRIDGE || type == PCI_EXP_TYPE_PCIE_BRIDGE)
1039 printf(" BrConfRtry%c", FLAG(w, PCI_EXP_DEVCTL_BCRE));
1040 if (type == PCI_EXP_TYPE_ENDPOINT && (t & PCI_EXP_DEVCAP_FLRESET))
1041 printf(" FLReset%c", FLAG(w, PCI_EXP_DEVCTL_FLRESET));
1042 printf("\n\t\t\tMaxPayload %d bytes, MaxReadReq %d bytes\n",
1043 128 << ((w & PCI_EXP_DEVCTL_PAYLOAD) >> 5),
1044 128 << ((w & PCI_EXP_DEVCTL_READRQ) >> 12));
1046 w = get_conf_word(d, where + PCI_EXP_DEVSTA);
1047 printf("\t\tDevSta:\tCorrErr%c UncorrErr%c FatalErr%c UnsuppReq%c AuxPwr%c TransPend%c\n",
1048 FLAG(w, PCI_EXP_DEVSTA_CED),
1049 FLAG(w, PCI_EXP_DEVSTA_NFED),
1050 FLAG(w, PCI_EXP_DEVSTA_FED),
1051 FLAG(w, PCI_EXP_DEVSTA_URD),
1052 FLAG(w, PCI_EXP_DEVSTA_AUXPD),
1053 FLAG(w, PCI_EXP_DEVSTA_TRPND));
1056 static char *link_speed(int speed)
1069 static char *aspm_support(int code)
1082 static const char *aspm_enabled(int code)
1084 static const char *desc[] = { "Disabled", "L0s Enabled", "L1 Enabled", "L0s L1 Enabled" };
1088 static void cap_express_link(struct device *d, int where, int type)
1093 t = get_conf_long(d, where + PCI_EXP_LNKCAP);
1094 printf("\t\tLnkCap:\tPort #%d, Speed %s, Width x%d, ASPM %s, Latency L0 %s, L1 %s\n",
1096 link_speed(t & PCI_EXP_LNKCAP_SPEED), (t & PCI_EXP_LNKCAP_WIDTH) >> 4,
1097 aspm_support((t & PCI_EXP_LNKCAP_ASPM) >> 10),
1098 latency_l0s((t & PCI_EXP_LNKCAP_L0S) >> 12),
1099 latency_l1((t & PCI_EXP_LNKCAP_L1) >> 15));
1100 printf("\t\t\tClockPM%c Suprise%c LLActRep%c BwNot%c\n",
1101 FLAG(t, PCI_EXP_LNKCAP_CLOCKPM),
1102 FLAG(t, PCI_EXP_LNKCAP_SURPRISE),
1103 FLAG(t, PCI_EXP_LNKCAP_DLLA),
1104 FLAG(t, PCI_EXP_LNKCAP_LBNC));
1106 w = get_conf_word(d, where + PCI_EXP_LNKCTL);
1107 printf("\t\tLnkCtl:\tASPM %s;", aspm_enabled(w & PCI_EXP_LNKCTL_ASPM));
1108 if ((type == PCI_EXP_TYPE_ROOT_PORT) || (type == PCI_EXP_TYPE_ENDPOINT) ||
1109 (type == PCI_EXP_TYPE_LEG_END))
1110 printf(" RCB %d bytes", w & PCI_EXP_LNKCTL_RCB ? 128 : 64);
1111 printf(" Disabled%c Retrain%c CommClk%c\n\t\t\tExtSynch%c ClockPM%c AutWidDis%c BWInt%c AutBWInt%c\n",
1112 FLAG(w, PCI_EXP_LNKCTL_DISABLE),
1113 FLAG(w, PCI_EXP_LNKCTL_RETRAIN),
1114 FLAG(w, PCI_EXP_LNKCTL_CLOCK),
1115 FLAG(w, PCI_EXP_LNKCTL_XSYNCH),
1116 FLAG(w, PCI_EXP_LNKCTL_CLOCKPM),
1117 FLAG(w, PCI_EXP_LNKCTL_HWAUTWD),
1118 FLAG(w, PCI_EXP_LNKCTL_BWMIE),
1119 FLAG(w, PCI_EXP_LNKCTL_AUTBWIE));
1121 w = get_conf_word(d, where + PCI_EXP_LNKSTA);
1122 printf("\t\tLnkSta:\tSpeed %s, Width x%d, TrErr%c Train%c SlotClk%c DLActive%c BWMgmt%c ABWMgmt%c\n",
1123 link_speed(w & PCI_EXP_LNKSTA_SPEED),
1124 (w & PCI_EXP_LNKSTA_WIDTH) >> 4,
1125 FLAG(w, PCI_EXP_LNKSTA_TR_ERR),
1126 FLAG(w, PCI_EXP_LNKSTA_TRAIN),
1127 FLAG(w, PCI_EXP_LNKSTA_SL_CLK),
1128 FLAG(w, PCI_EXP_LNKSTA_DL_ACT),
1129 FLAG(w, PCI_EXP_LNKSTA_BWMGMT),
1130 FLAG(w, PCI_EXP_LNKSTA_AUTBW));
1133 static const char *indicator(int code)
1135 static const char *names[] = { "Unknown", "On", "Blink", "Off" };
1139 static void cap_express_slot(struct device *d, int where)
1144 t = get_conf_long(d, where + PCI_EXP_SLTCAP);
1145 printf("\t\tSltCap:\tAttnBtn%c PwrCtrl%c MRL%c AttnInd%c PwrInd%c HotPlug%c Surpise%c\n",
1146 FLAG(t, PCI_EXP_SLTCAP_ATNB),
1147 FLAG(t, PCI_EXP_SLTCAP_PWRC),
1148 FLAG(t, PCI_EXP_SLTCAP_MRL),
1149 FLAG(t, PCI_EXP_SLTCAP_ATNI),
1150 FLAG(t, PCI_EXP_SLTCAP_PWRI),
1151 FLAG(t, PCI_EXP_SLTCAP_HPC),
1152 FLAG(t, PCI_EXP_SLTCAP_HPS));
1153 printf("\t\t\tSlot #%3x, PowerLimit %f; Interlock%c NoCompl%c\n",
1155 power_limit((t & PCI_EXP_SLTCAP_PWR_VAL) >> 7, (t & PCI_EXP_SLTCAP_PWR_SCL) >> 15),
1156 FLAG(t, PCI_EXP_SLTCAP_INTERLOCK),
1157 FLAG(t, PCI_EXP_SLTCAP_NOCMDCOMP));
1159 w = get_conf_word(d, where + PCI_EXP_SLTCTL);
1160 printf("\t\tSltCtl:\tEnable: AttnBtn%c PwrFlt%c MRL%c PresDet%c CmdCplt%c HPIrq%c LinkChg%c\n",
1161 FLAG(w, PCI_EXP_SLTCTL_ATNB),
1162 FLAG(w, PCI_EXP_SLTCTL_PWRF),
1163 FLAG(w, PCI_EXP_SLTCTL_MRLS),
1164 FLAG(w, PCI_EXP_SLTCTL_PRSD),
1165 FLAG(w, PCI_EXP_SLTCTL_CMDC),
1166 FLAG(w, PCI_EXP_SLTCTL_HPIE),
1167 FLAG(w, PCI_EXP_SLTCTL_LLCHG));
1168 printf("\t\t\tControl: AttnInd %s, PwrInd %s, Power%c Interlock%c\n",
1169 indicator((w & PCI_EXP_SLTCTL_ATNI) >> 6),
1170 indicator((w & PCI_EXP_SLTCTL_PWRI) >> 8),
1171 FLAG(w, PCI_EXP_SLTCTL_PWRC),
1172 FLAG(w, PCI_EXP_SLTCTL_INTERLOCK));
1174 w = get_conf_word(d, where + PCI_EXP_SLTSTA);
1175 printf("\t\tSltSta:\tStatus: AttnBtn%c PowerFlt%c MRL%c CmdCplt%c PresDet%c Interlock%c\n",
1176 FLAG(w, PCI_EXP_SLTSTA_ATNB),
1177 FLAG(w, PCI_EXP_SLTSTA_PWRF),
1178 FLAG(w, PCI_EXP_SLTSTA_MRL_ST),
1179 FLAG(w, PCI_EXP_SLTSTA_CMDC),
1180 FLAG(w, PCI_EXP_SLTSTA_PRES),
1181 FLAG(w, PCI_EXP_SLTSTA_INTERLOCK));
1182 printf("\t\t\tChanged: MRL%c PresDet%c LinkState%c\n",
1183 FLAG(w, PCI_EXP_SLTSTA_MRLS),
1184 FLAG(w, PCI_EXP_SLTSTA_PRSD),
1185 FLAG(w, PCI_EXP_SLTSTA_LLCHG));
1188 static void cap_express_root(struct device *d, int where)
1190 u32 w = get_conf_word(d, where + PCI_EXP_RTCTL);
1191 printf("\t\tRootCtl: ErrCorrectable%c ErrNon-Fatal%c ErrFatal%c PMEIntEna%c CRSVisible%c\n",
1192 FLAG(w, PCI_EXP_RTCTL_SECEE),
1193 FLAG(w, PCI_EXP_RTCTL_SENFEE),
1194 FLAG(w, PCI_EXP_RTCTL_SEFEE),
1195 FLAG(w, PCI_EXP_RTCTL_PMEIE),
1196 FLAG(w, PCI_EXP_RTCTL_CRSVIS));
1198 w = get_conf_word(d, where + PCI_EXP_RTCAP);
1199 printf("\t\tRootCap: CRSVisible%c\n",
1200 FLAG(w, PCI_EXP_RTCAP_CRSVIS));
1202 w = get_conf_word(d, where + PCI_EXP_RTSTA);
1203 printf("\t\tRootSta: PME ReqID %04x, PMEStatus%c PMEPending%c\n",
1204 w & PCI_EXP_RTSTA_PME_REQID,
1205 FLAG(w, PCI_EXP_RTSTA_PME_STATUS),
1206 FLAG(w, PCI_EXP_RTSTA_PME_PENDING));
1209 static const char *cap_express_dev2_timeout_range(int type)
1211 /* Decode Completion Timeout Ranges. */
1215 return "Not Supported";
1229 return "Range ABCD";
1235 static const char *cap_express_dev2_timeout_value(int type)
1237 /* Decode Completion Timeout Value. */
1241 return "50us to 50ms";
1243 return "50us to 100us";
1245 return "1ms to 10ms";
1247 return "16ms to 55ms";
1249 return "65ms to 210ms";
1251 return "260ms to 900ms";
1253 return "1s to 3.5s";
1257 return "17s to 64s";
1263 static void cap_express_dev2(struct device *d, int where, int type)
1268 l = get_conf_long(d, where + PCI_EXP_DEVCAP2);
1269 printf("\t\tDevCap2: Completion Timeout: %s, TimeoutDis%c",
1270 cap_express_dev2_timeout_range(PCI_EXP_DEV2_TIMEOUT_RANGE(l)),
1271 FLAG(l, PCI_EXP_DEV2_TIMEOUT_DIS));
1272 if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_DOWNSTREAM)
1273 printf(" ARIFwd%c\n", FLAG(l, PCI_EXP_DEV2_ARI));
1277 w = get_conf_word(d, where + PCI_EXP_DEVCTL2);
1278 printf("\t\tDevCtl2: Completion Timeout: %s, TimeoutDis%c",
1279 cap_express_dev2_timeout_value(PCI_EXP_DEV2_TIMEOUT_VALUE(w)),
1280 FLAG(w, PCI_EXP_DEV2_TIMEOUT_DIS));
1281 if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_DOWNSTREAM)
1282 printf(" ARIFwd%c\n", FLAG(w, PCI_EXP_DEV2_ARI));
1287 static const char *cap_express_link2_speed(int type)
1291 case 0: /* hardwire to 0 means only the 2.5GT/s is supported */
1301 static const char *cap_express_link2_deemphasis(int type)
1314 static const char *cap_express_link2_transmargin(int type)
1319 return "Normal Operating Range";
1321 return "800-1200mV(full-swing)/400-700mV(half-swing)";
1326 return "200-400mV(full-swing)/100-200mV(half-swing)";
1332 static void cap_express_link2(struct device *d, int where, int type UNUSED)
1336 w = get_conf_word(d, where + PCI_EXP_LNKCTL2);
1337 printf("\t\tLnkCtl2: Target Link Speed: %s, EnterCompliance%c SpeedDis%c, Selectable De-emphasis: %s\n"
1338 "\t\t\t Transmit Margin: %s, EnterModifiedCompliance%c ComplianceSOS%c\n"
1339 "\t\t\t Compliance De-emphasis: %s\n",
1340 cap_express_link2_speed(PCI_EXP_LNKCTL2_SPEED(w)),
1341 FLAG(w, PCI_EXP_LNKCTL2_CMPLNC),
1342 FLAG(w, PCI_EXP_LNKCTL2_SPEED_DIS),
1343 cap_express_link2_deemphasis(PCI_EXP_LNKCTL2_DEEMPHASIS(w)),
1344 cap_express_link2_transmargin(PCI_EXP_LNKCTL2_MARGIN(w)),
1345 FLAG(w, PCI_EXP_LNKCTL2_MOD_CMPLNC),
1346 FLAG(w, PCI_EXP_LNKCTL2_CMPLNC_SOS),
1347 cap_express_link2_deemphasis(PCI_EXP_LNKCTL2_COM_DEEMPHASIS(w)));
1349 w = get_conf_word(d, where + PCI_EXP_LNKSTA2);
1350 printf("\t\tLnkSta2: Current De-emphasis Level: %s\n",
1351 cap_express_link2_deemphasis(PCI_EXP_LINKSTA2_DEEMPHASIS(w)));
1354 static void cap_express_slot2(struct device *d UNUSED, int where UNUSED)
1356 /* No capabilities that require this field in PCIe rev2.0 spec. */
1360 cap_express(struct device *d, int where, int cap)
1362 int type = (cap & PCI_EXP_FLAGS_TYPE) >> 4;
1368 printf("(v%d) ", cap & PCI_EXP_FLAGS_VERS);
1371 case PCI_EXP_TYPE_ENDPOINT:
1374 case PCI_EXP_TYPE_LEG_END:
1375 printf("Legacy Endpoint");
1377 case PCI_EXP_TYPE_ROOT_PORT:
1378 slot = cap & PCI_EXP_FLAGS_SLOT;
1379 printf("Root Port (Slot%c)", FLAG(cap, PCI_EXP_FLAGS_SLOT));
1381 case PCI_EXP_TYPE_UPSTREAM:
1382 printf("Upstream Port");
1384 case PCI_EXP_TYPE_DOWNSTREAM:
1385 slot = cap & PCI_EXP_FLAGS_SLOT;
1386 printf("Downstream Port (Slot%c)", FLAG(cap, PCI_EXP_FLAGS_SLOT));
1388 case PCI_EXP_TYPE_PCI_BRIDGE:
1389 printf("PCI/PCI-X Bridge");
1391 case PCI_EXP_TYPE_PCIE_BRIDGE:
1392 printf("PCI/PCI-X to PCI-Express Bridge");
1394 case PCI_EXP_TYPE_ROOT_INT_EP:
1395 printf("Root Complex Integrated Endpoint");
1397 case PCI_EXP_TYPE_ROOT_EC:
1398 printf("Root Complex Event Collector");
1401 printf("Unknown type %d", type);
1403 printf(", MSI %02x\n", (cap & PCI_EXP_FLAGS_IRQ) >> 9);
1410 if (type == PCI_EXP_TYPE_ROOT_PORT)
1412 if (!config_fetch(d, where + PCI_EXP_DEVCAP, size))
1415 cap_express_dev(d, where, type);
1416 cap_express_link(d, where, type);
1418 cap_express_slot(d, where);
1419 if (type == PCI_EXP_TYPE_ROOT_PORT)
1420 cap_express_root(d, where);
1422 if ((cap & PCI_EXP_FLAGS_VERS) < 2)
1428 if (!config_fetch(d, where + PCI_EXP_DEVCAP2, size))
1431 cap_express_dev2(d, where, type);
1432 cap_express_link2(d, where, type);
1434 cap_express_slot2(d, where);
1438 cap_msix(struct device *d, int where, int cap)
1442 printf("MSI-X: Enable%c Mask%c TabSize=%d\n",
1443 FLAG(cap, PCI_MSIX_ENABLE),
1444 FLAG(cap, PCI_MSIX_MASK),
1445 (cap & PCI_MSIX_TABSIZE) + 1);
1446 if (verbose < 2 || !config_fetch(d, where + PCI_MSIX_TABLE, 8))
1449 off = get_conf_long(d, where + PCI_MSIX_TABLE);
1450 printf("\t\tVector table: BAR=%d offset=%08x\n",
1451 off & PCI_MSIX_BIR, off & ~PCI_MSIX_BIR);
1452 off = get_conf_long(d, where + PCI_MSIX_PBA);
1453 printf("\t\tPBA: BAR=%d offset=%08x\n",
1454 off & PCI_MSIX_BIR, off & ~PCI_MSIX_BIR);
1460 int esr = cap & 0xff;
1463 printf("Slot ID: %d slots, First%c, chassis %02x\n",
1464 esr & PCI_SID_ESR_NSLOTS,
1465 FLAG(esr, PCI_SID_ESR_FIC),
1470 cap_ssvid(struct device *d, int where)
1472 u16 subsys_v, subsys_d;
1473 char ssnamebuf[256];
1475 if (!config_fetch(d, where, 8))
1477 subsys_v = get_conf_word(d, where + PCI_SSVID_VENDOR);
1478 subsys_d = get_conf_word(d, where + PCI_SSVID_DEVICE);
1479 printf("Subsystem: %s\n",
1480 pci_lookup_name(pacc, ssnamebuf, sizeof(ssnamebuf),
1481 PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
1482 d->dev->vendor_id, d->dev->device_id, subsys_v, subsys_d));
1486 cap_dsn(struct device *d, int where)
1489 if (!config_fetch(d, where + 4, 8))
1491 t1 = get_conf_long(d, where + 4);
1492 t2 = get_conf_long(d, where + 8);
1493 printf("Device Serial Number %02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x\n",
1494 t1 & 0xff, (t1 >> 8) & 0xff, (t1 >> 16) & 0xff, t1 >> 24,
1495 t2 & 0xff, (t2 >> 8) & 0xff, (t2 >> 16) & 0xff, t2 >> 24);
1499 cap_debug_port(int cap)
1501 int bar = cap >> 13;
1502 int pos = cap & 0x1fff;
1503 printf("Debug port: BAR=%d offset=%04x\n", bar, pos);
1507 cap_aer(struct device *d, int where)
1511 printf("Advanced Error Reporting\n");
1512 if (!config_fetch(d, where + PCI_ERR_UNCOR_STATUS, 24))
1515 l = get_conf_long(d, where + PCI_ERR_UNCOR_STATUS);
1516 printf("\t\tUESta:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c "
1517 "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n",
1518 FLAG(l, PCI_ERR_UNC_DLP), FLAG(l, PCI_ERR_UNC_SDES), FLAG(l, PCI_ERR_UNC_POISON_TLP),
1519 FLAG(l, PCI_ERR_UNC_FCP), FLAG(l, PCI_ERR_UNC_COMP_TIME), FLAG(l, PCI_ERR_UNC_COMP_ABORT),
1520 FLAG(l, PCI_ERR_UNC_UNX_COMP), FLAG(l, PCI_ERR_UNC_RX_OVER), FLAG(l, PCI_ERR_UNC_MALF_TLP),
1521 FLAG(l, PCI_ERR_UNC_ECRC), FLAG(l, PCI_ERR_UNC_UNSUP), FLAG(l, PCI_ERR_UNC_ACS_VIOL));
1522 l = get_conf_long(d, where + PCI_ERR_UNCOR_MASK);
1523 printf("\t\tUEMsk:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c "
1524 "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n",
1525 FLAG(l, PCI_ERR_UNC_DLP), FLAG(l, PCI_ERR_UNC_SDES), FLAG(l, PCI_ERR_UNC_POISON_TLP),
1526 FLAG(l, PCI_ERR_UNC_FCP), FLAG(l, PCI_ERR_UNC_COMP_TIME), FLAG(l, PCI_ERR_UNC_COMP_ABORT),
1527 FLAG(l, PCI_ERR_UNC_UNX_COMP), FLAG(l, PCI_ERR_UNC_RX_OVER), FLAG(l, PCI_ERR_UNC_MALF_TLP),
1528 FLAG(l, PCI_ERR_UNC_ECRC), FLAG(l, PCI_ERR_UNC_UNSUP), FLAG(l, PCI_ERR_UNC_ACS_VIOL));
1529 l = get_conf_long(d, where + PCI_ERR_UNCOR_SEVER);
1530 printf("\t\tUESvrt:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c "
1531 "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n",
1532 FLAG(l, PCI_ERR_UNC_DLP), FLAG(l, PCI_ERR_UNC_SDES), FLAG(l, PCI_ERR_UNC_POISON_TLP),
1533 FLAG(l, PCI_ERR_UNC_FCP), FLAG(l, PCI_ERR_UNC_COMP_TIME), FLAG(l, PCI_ERR_UNC_COMP_ABORT),
1534 FLAG(l, PCI_ERR_UNC_UNX_COMP), FLAG(l, PCI_ERR_UNC_RX_OVER), FLAG(l, PCI_ERR_UNC_MALF_TLP),
1535 FLAG(l, PCI_ERR_UNC_ECRC), FLAG(l, PCI_ERR_UNC_UNSUP), FLAG(l, PCI_ERR_UNC_ACS_VIOL));
1536 l = get_conf_long(d, where + PCI_ERR_COR_STATUS);
1537 printf("\t\tCESta:\tRxErr%c BadTLP%c BadDLLP%c Rollover%c Timeout%c NonFatalErr%c\n",
1538 FLAG(l, PCI_ERR_COR_RCVR), FLAG(l, PCI_ERR_COR_BAD_TLP), FLAG(l, PCI_ERR_COR_BAD_DLLP),
1539 FLAG(l, PCI_ERR_COR_REP_ROLL), FLAG(l, PCI_ERR_COR_REP_TIMER), FLAG(l, PCI_ERR_COR_REP_ANFE));
1540 l = get_conf_long(d, where + PCI_ERR_COR_MASK);
1541 printf("\t\tCEMsk:\tRxErr%c BadTLP%c BadDLLP%c Rollover%c Timeout%c NonFatalErr%c\n",
1542 FLAG(l, PCI_ERR_COR_RCVR), FLAG(l, PCI_ERR_COR_BAD_TLP), FLAG(l, PCI_ERR_COR_BAD_DLLP),
1543 FLAG(l, PCI_ERR_COR_REP_ROLL), FLAG(l, PCI_ERR_COR_REP_TIMER), FLAG(l, PCI_ERR_COR_REP_ANFE));
1544 l = get_conf_long(d, where + PCI_ERR_CAP);
1545 printf("\t\tAERCap:\tFirst Error Pointer: %02x, GenCap%c CGenEn%c ChkCap%c ChkEn%c\n",
1546 PCI_ERR_CAP_FEP(l), FLAG(l, PCI_ERR_CAP_ECRC_GENC), FLAG(l, PCI_ERR_CAP_ECRC_GENE),
1547 FLAG(l, PCI_ERR_CAP_ECRC_CHKC), FLAG(l, PCI_ERR_CAP_ECRC_CHKE));
1552 cap_acs(struct device *d, int where)
1556 printf("Access Control Services\n");
1557 if (!config_fetch(d, where + PCI_ACS_CAP, 4))
1560 w = get_conf_word(d, where + PCI_ACS_CAP);
1561 printf("\t\tACSCap:\tSrcValid%c TransBlk%c ReqRedir%c CmpltRedir%c UpstreamFwd%c EgressCtrl%c "
1563 FLAG(w, PCI_ACS_CAP_VALID), FLAG(w, PCI_ACS_CAP_BLOCK), FLAG(w, PCI_ACS_CAP_REQ_RED),
1564 FLAG(w, PCI_ACS_CAP_CMPLT_RED), FLAG(w, PCI_ACS_CAP_FORWARD), FLAG(w, PCI_ACS_CAP_EGRESS),
1565 FLAG(w, PCI_ACS_CAP_TRANS));
1566 w = get_conf_word(d, where + PCI_ACS_CTRL);
1567 printf("\t\tACSCtl:\tSrcValid%c TransBlk%c ReqRedir%c CmpltRedir%c UpstreamFwd%c EgressCtrl%c "
1569 FLAG(w, PCI_ACS_CTRL_VALID), FLAG(w, PCI_ACS_CTRL_BLOCK), FLAG(w, PCI_ACS_CTRL_REQ_RED),
1570 FLAG(w, PCI_ACS_CTRL_CMPLT_RED), FLAG(w, PCI_ACS_CTRL_FORWARD), FLAG(w, PCI_ACS_CTRL_EGRESS),
1571 FLAG(w, PCI_ACS_CTRL_TRANS));
1575 cap_ari(struct device *d, int where)
1579 printf("Alternative Routing-ID Interpretation (ARI)\n");
1580 if (!config_fetch(d, where + PCI_ARI_CAP, 4))
1583 w = get_conf_word(d, where + PCI_ARI_CAP);
1584 printf("\t\tARICap:\tMFVC%c ACS%c, Next Function: %d\n",
1585 FLAG(w, PCI_ARI_CAP_MFVC), FLAG(w, PCI_ARI_CAP_ACS),
1586 PCI_ARI_CAP_NFN(w));
1587 w = get_conf_word(d, where + PCI_ARI_CTRL);
1588 printf("\t\tARICtl:\tMFVC%c ACS%c, Function Group: %d\n",
1589 FLAG(w, PCI_ARI_CTRL_MFVC), FLAG(w, PCI_ARI_CTRL_ACS),
1590 PCI_ARI_CTRL_FG(w));
1594 cap_sriov(struct device *d, int where)
1600 printf("Single Root I/O Virtualization (SR-IOV)\n");
1601 if (!config_fetch(d, where + PCI_IOV_CAP, 0x3c))
1604 l = get_conf_long(d, where + PCI_IOV_CAP);
1605 printf("\t\tIOVCap:\tMigration%c, Interrupt Message Number: %03x\n",
1606 FLAG(l, PCI_IOV_CAP_VFM), PCI_IOV_CAP_IMN(l));
1607 w = get_conf_word(d, where + PCI_IOV_CTRL);
1608 printf("\t\tIOVCtl:\tEnable%c Migration%c Interrupt%c MSE%c ARIHierarchy%c\n",
1609 FLAG(w, PCI_IOV_CTRL_VFE), FLAG(w, PCI_IOV_CTRL_VFME),
1610 FLAG(w, PCI_IOV_CTRL_VFMIE), FLAG(w, PCI_IOV_CTRL_MSE),
1611 FLAG(w, PCI_IOV_CTRL_ARI));
1612 w = get_conf_word(d, where + PCI_IOV_STATUS);
1613 printf("\t\tIOVSta:\tMigration%c\n", FLAG(w, PCI_IOV_STATUS_MS));
1614 w = get_conf_word(d, where + PCI_IOV_INITIALVF);
1615 printf("\t\tInitial VFs: %d, ", w);
1616 w = get_conf_word(d, where + PCI_IOV_TOTALVF);
1617 printf("Total VFs: %d, ", w);
1618 w = get_conf_word(d, where + PCI_IOV_NUMVF);
1619 printf("Number of VFs: %d, ", w);
1620 b = get_conf_byte(d, where + PCI_IOV_FDL);
1621 printf("Function Dependency Link: %02x\n", b);
1622 w = get_conf_word(d, where + PCI_IOV_OFFSET);
1623 printf("\t\tVF offset: %d, ", w);
1624 w = get_conf_word(d, where + PCI_IOV_STRIDE);
1625 printf("stride: %d, ", w);
1626 w = get_conf_word(d, where + PCI_IOV_DID);
1627 printf("Device ID: %04x\n", w);
1628 l = get_conf_long(d, where + PCI_IOV_SUPPS);
1629 printf("\t\tSupported Page Size: %08x, ", l);
1630 l = get_conf_long(d, where + PCI_IOV_SYSPS);
1631 printf("System Page Size: %08x\n", l);
1632 printf("\t\tVF Migration: offset: %08x, BIR: %x\n", PCI_IOV_MSA_OFFSET(l),
1633 PCI_IOV_MSA_BIR(l));
1637 show_ext_caps(struct device *d)
1640 char been_there[0x1000];
1641 memset(been_there, 0, 0x1000);
1647 if (!config_fetch(d, where, 4))
1649 header = get_conf_long(d, where);
1652 id = header & 0xffff;
1653 printf("\tCapabilities: [%03x] ", where);
1654 if (been_there[where]++)
1656 printf("<chain looped>\n");
1661 case PCI_EXT_CAP_ID_AER:
1664 case PCI_EXT_CAP_ID_VC:
1665 printf("Virtual Channel <?>\n");
1667 case PCI_EXT_CAP_ID_DSN:
1670 case PCI_EXT_CAP_ID_PB:
1671 printf("Power Budgeting <?>\n");
1673 case PCI_EXT_CAP_ID_RCLINK:
1674 printf("Root Complex Link <?>\n");
1676 case PCI_EXT_CAP_ID_RCILINK:
1677 printf("Root Complex Internal Link <?>\n");
1679 case PCI_EXT_CAP_ID_RCECOLL:
1680 printf("Root Complex Event Collector <?>\n");
1682 case PCI_EXT_CAP_ID_MFVC:
1683 printf("Multi-Function Virtual Channel <?>\n");
1685 case PCI_EXT_CAP_ID_RBCB:
1686 printf("Root Bridge Control Block <?>\n");
1688 case PCI_EXT_CAP_ID_VNDR:
1689 printf("Vendor Specific Information <?>\n");
1691 case PCI_EXT_CAP_ID_ACS:
1694 case PCI_EXT_CAP_ID_ARI:
1697 case PCI_EXT_CAP_ID_SRIOV:
1698 cap_sriov(d, where);
1701 printf("#%02x\n", id);
1704 where = header >> 20;
1709 show_caps(struct device *d)
1711 int can_have_ext_caps = 0;
1713 if (get_conf_word(d, PCI_STATUS) & PCI_STATUS_CAP_LIST)
1715 int where = get_conf_byte(d, PCI_CAPABILITY_LIST) & ~3;
1716 byte been_there[256];
1717 memset(been_there, 0, 256);
1721 printf("\tCapabilities: ");
1722 if (!config_fetch(d, where, 4))
1724 puts("<access denied>");
1727 id = get_conf_byte(d, where + PCI_CAP_LIST_ID);
1728 next = get_conf_byte(d, where + PCI_CAP_LIST_NEXT) & ~3;
1729 cap = get_conf_word(d, where + PCI_CAP_FLAGS);
1730 printf("[%02x] ", where);
1731 if (been_there[where]++)
1733 printf("<chain looped>\n");
1738 printf("<chain broken>\n");
1744 cap_pm(d, where, cap);
1746 case PCI_CAP_ID_AGP:
1747 cap_agp(d, where, cap);
1749 case PCI_CAP_ID_VPD:
1750 printf("Vital Product Data <?>\n");
1752 case PCI_CAP_ID_SLOTID:
1755 case PCI_CAP_ID_MSI:
1756 cap_msi(d, where, cap);
1758 case PCI_CAP_ID_CHSWP:
1759 printf("CompactPCI hot-swap <?>\n");
1761 case PCI_CAP_ID_PCIX:
1763 can_have_ext_caps = 1;
1766 cap_ht(d, where, cap);
1768 case PCI_CAP_ID_VNDR:
1769 printf("Vendor Specific Information <?>\n");
1771 case PCI_CAP_ID_DBG:
1772 cap_debug_port(cap);
1774 case PCI_CAP_ID_CCRC:
1775 printf("CompactPCI central resource control <?>\n");
1777 case PCI_CAP_ID_HOTPLUG:
1778 printf("Hot-plug capable\n");
1780 case PCI_CAP_ID_SSVID:
1781 cap_ssvid(d, where);
1783 case PCI_CAP_ID_AGP3:
1784 printf("AGP3 <?>\n");
1786 case PCI_CAP_ID_SECURE:
1787 printf("Secure device <?>\n");
1789 case PCI_CAP_ID_EXP:
1790 cap_express(d, where, cap);
1791 can_have_ext_caps = 1;
1793 case PCI_CAP_ID_MSIX:
1794 cap_msix(d, where, cap);
1796 case PCI_CAP_ID_SATA:
1797 printf("SATA HBA <?>\n");
1800 printf("PCIe advanced features <?>\n");
1803 printf("#%02x [%04x]\n", id, cap);
1808 if (can_have_ext_caps)
1812 /*** Kernel drivers ***/
1816 #include <sys/utsname.h>
1818 struct pcimap_entry {
1819 struct pcimap_entry *next;
1820 unsigned int vendor, device;
1821 unsigned int subvendor, subdevice;
1822 unsigned int class, class_mask;
1826 static struct pcimap_entry *pcimap_head;
1831 static int tried_pcimap;
1833 char *name, line[1024];
1840 if (name = opt_pcimap)
1842 f = fopen(name, "r");
1844 die("Cannot open pcimap file %s: %m", name);
1848 if (uname(&uts) < 0)
1849 die("uname() failed: %m");
1850 name = alloca(64 + strlen(uts.release));
1851 sprintf(name, "/lib/modules/%s/modules.pcimap", uts.release);
1852 f = fopen(name, "r");
1857 while (fgets(line, sizeof(line), f))
1859 char *c = strchr(line, '\n');
1860 struct pcimap_entry *e;
1863 die("Unterminated or too long line in %s", name);
1865 if (!line[0] || line[0] == '#')
1869 while (*c && *c != ' ' && *c != '\t')
1872 continue; /* FIXME: Emit warnings! */
1875 e = xmalloc(sizeof(*e) + strlen(line));
1876 if (sscanf(c, "%i%i%i%i%i%i",
1877 &e->vendor, &e->device,
1878 &e->subvendor, &e->subdevice,
1879 &e->class, &e->class_mask) != 6)
1881 e->next = pcimap_head;
1883 strcpy(e->module, line);
1889 match_pcimap(struct device *d, struct pcimap_entry *e)
1891 struct pci_dev *dev = d->dev;
1892 unsigned int class = get_conf_long(d, PCI_REVISION_ID) >> 8;
1895 #define MATCH(x, y) ((y) > 0xffff || (x) == (y))
1896 get_subid(d, &subv, &subd);
1898 MATCH(dev->vendor_id, e->vendor) &&
1899 MATCH(dev->device_id, e->device) &&
1900 MATCH(subv, e->subvendor) &&
1901 MATCH(subd, e->subdevice) &&
1902 (class & e->class_mask) == e->class;
1906 #define DRIVER_BUF_SIZE 1024
1909 find_driver(struct device *d, char *buf)
1911 struct pci_dev *dev = d->dev;
1912 char name[1024], *drv, *base;
1915 if (dev->access->method != PCI_ACCESS_SYS_BUS_PCI)
1918 base = pci_get_param(dev->access, "sysfs.path");
1919 if (!base || !base[0])
1922 n = snprintf(name, sizeof(name), "%s/devices/%04x:%02x:%02x.%d/driver",
1923 base, dev->domain, dev->bus, dev->dev, dev->func);
1924 if (n < 0 || n >= (int)sizeof(name))
1925 die("show_driver: sysfs device name too long, why?");
1927 n = readlink(name, buf, DRIVER_BUF_SIZE);
1930 if (n >= DRIVER_BUF_SIZE)
1931 return "<name-too-long>";
1934 if (drv = strrchr(buf, '/'))
1941 show_kernel(struct device *d)
1943 char buf[DRIVER_BUF_SIZE];
1945 struct pcimap_entry *e, *last = NULL;
1947 if (driver = find_driver(d, buf))
1948 printf("\tKernel driver in use: %s\n", driver);
1951 for (e=pcimap_head; e; e=e->next)
1952 if (match_pcimap(d, e) && (!last || strcmp(last->module, e->module)))
1954 printf("%s %s", (last ? "," : "\tKernel modules:"), e->module);
1962 show_kernel_machine(struct device *d)
1964 char buf[DRIVER_BUF_SIZE];
1966 struct pcimap_entry *e, *last = NULL;
1968 if (driver = find_driver(d, buf))
1969 printf("Driver:\t%s\n", driver);
1972 for (e=pcimap_head; e; e=e->next)
1973 if (match_pcimap(d, e) && (!last || strcmp(last->module, e->module)))
1975 printf("Module:\t%s\n", e->module);
1983 show_kernel(struct device *d UNUSED)
1988 show_kernel_machine(struct device *d UNUSED)
1994 /*** Verbose output ***/
1997 show_size(pciaddr_t x)
2003 printf("%d", (int) x);
2004 else if (x < 1048576)
2005 printf("%dK", (int)(x / 1024));
2006 else if (x < 0x80000000)
2007 printf("%dM", (int)(x / 1048576));
2009 printf(PCIADDR_T_FMT, x);
2014 show_bases(struct device *d, int cnt)
2016 struct pci_dev *p = d->dev;
2017 word cmd = get_conf_word(d, PCI_COMMAND);
2020 for(i=0; i<cnt; i++)
2022 pciaddr_t pos = p->base_addr[i];
2023 pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->size[i] : 0;
2024 u32 flg = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
2025 if (flg == 0xffffffff)
2027 if (!pos && !flg && !len)
2030 printf("\tRegion %d: ", i);
2033 if (pos && !flg) /* Reported by the OS, but not by the device */
2035 printf("[virtual] ");
2038 if (flg & PCI_BASE_ADDRESS_SPACE_IO)
2040 pciaddr_t a = pos & PCI_BASE_ADDRESS_IO_MASK;
2041 printf("I/O ports at ");
2043 printf(PCIADDR_PORT_FMT, a);
2044 else if (flg & PCI_BASE_ADDRESS_IO_MASK)
2045 printf("<ignored>");
2047 printf("<unassigned>");
2048 if (!(cmd & PCI_COMMAND_IO))
2049 printf(" [disabled]");
2053 int t = flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK;
2054 pciaddr_t a = pos & PCI_ADDR_MEM_MASK;
2058 printf("Memory at ");
2059 if (t == PCI_BASE_ADDRESS_MEM_TYPE_64)
2063 printf("<invalid-64bit-slot>");
2069 z = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
2072 u32 y = a & 0xffffffff;
2074 printf("%08x%08x", z, y);
2076 printf("<unassigned>");
2084 printf(PCIADDR_T_FMT, a);
2086 printf(((flg & PCI_BASE_ADDRESS_MEM_MASK) || z) ? "<ignored>" : "<unassigned>");
2088 printf(" (%s, %sprefetchable)",
2089 (t == PCI_BASE_ADDRESS_MEM_TYPE_32) ? "32-bit" :
2090 (t == PCI_BASE_ADDRESS_MEM_TYPE_64) ? "64-bit" :
2091 (t == PCI_BASE_ADDRESS_MEM_TYPE_1M) ? "low-1M" : "type 3",
2092 (flg & PCI_BASE_ADDRESS_MEM_PREFETCH) ? "" : "non-");
2093 if (!(cmd & PCI_COMMAND_MEMORY))
2094 printf(" [disabled]");
2102 show_rom(struct device *d, int reg)
2104 struct pci_dev *p = d->dev;
2105 pciaddr_t rom = p->rom_base_addr;
2106 pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->rom_size : 0;
2107 u32 flg = get_conf_long(d, reg);
2108 word cmd = get_conf_word(d, PCI_COMMAND);
2110 if (!rom && !flg && !len)
2113 if ((rom & PCI_ROM_ADDRESS_MASK) && !(flg & PCI_ROM_ADDRESS_MASK))
2115 printf("[virtual] ");
2118 printf("Expansion ROM at ");
2119 if (rom & PCI_ROM_ADDRESS_MASK)
2120 printf(PCIADDR_T_FMT, rom & PCI_ROM_ADDRESS_MASK);
2121 else if (flg & PCI_ROM_ADDRESS_MASK)
2122 printf("<ignored>");
2124 printf("<unassigned>");
2125 if (!(flg & PCI_ROM_ADDRESS_ENABLE))
2126 printf(" [disabled]");
2127 else if (!(cmd & PCI_COMMAND_MEMORY))
2128 printf(" [disabled by cmd]");
2134 show_htype0(struct device *d)
2137 show_rom(d, PCI_ROM_ADDRESS);
2142 show_htype1(struct device *d)
2144 u32 io_base = get_conf_byte(d, PCI_IO_BASE);
2145 u32 io_limit = get_conf_byte(d, PCI_IO_LIMIT);
2146 u32 io_type = io_base & PCI_IO_RANGE_TYPE_MASK;
2147 u32 mem_base = get_conf_word(d, PCI_MEMORY_BASE);
2148 u32 mem_limit = get_conf_word(d, PCI_MEMORY_LIMIT);
2149 u32 mem_type = mem_base & PCI_MEMORY_RANGE_TYPE_MASK;
2150 u32 pref_base = get_conf_word(d, PCI_PREF_MEMORY_BASE);
2151 u32 pref_limit = get_conf_word(d, PCI_PREF_MEMORY_LIMIT);
2152 u32 pref_type = pref_base & PCI_PREF_RANGE_TYPE_MASK;
2153 word sec_stat = get_conf_word(d, PCI_SEC_STATUS);
2154 word brc = get_conf_word(d, PCI_BRIDGE_CONTROL);
2155 int verb = verbose > 2;
2158 printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
2159 get_conf_byte(d, PCI_PRIMARY_BUS),
2160 get_conf_byte(d, PCI_SECONDARY_BUS),
2161 get_conf_byte(d, PCI_SUBORDINATE_BUS),
2162 get_conf_byte(d, PCI_SEC_LATENCY_TIMER));
2164 if (io_type != (io_limit & PCI_IO_RANGE_TYPE_MASK) ||
2165 (io_type != PCI_IO_RANGE_TYPE_16 && io_type != PCI_IO_RANGE_TYPE_32))
2166 printf("\t!!! Unknown I/O range types %x/%x\n", io_base, io_limit);
2169 io_base = (io_base & PCI_IO_RANGE_MASK) << 8;
2170 io_limit = (io_limit & PCI_IO_RANGE_MASK) << 8;
2171 if (io_type == PCI_IO_RANGE_TYPE_32)
2173 io_base |= (get_conf_word(d, PCI_IO_BASE_UPPER16) << 16);
2174 io_limit |= (get_conf_word(d, PCI_IO_LIMIT_UPPER16) << 16);
2176 if (io_base <= io_limit || verb)
2177 printf("\tI/O behind bridge: %08x-%08x\n", io_base, io_limit+0xfff);
2180 if (mem_type != (mem_limit & PCI_MEMORY_RANGE_TYPE_MASK) ||
2182 printf("\t!!! Unknown memory range types %x/%x\n", mem_base, mem_limit);
2185 mem_base = (mem_base & PCI_MEMORY_RANGE_MASK) << 16;
2186 mem_limit = (mem_limit & PCI_MEMORY_RANGE_MASK) << 16;
2187 if (mem_base <= mem_limit || verb)
2188 printf("\tMemory behind bridge: %08x-%08x\n", mem_base, mem_limit + 0xfffff);
2191 if (pref_type != (pref_limit & PCI_PREF_RANGE_TYPE_MASK) ||
2192 (pref_type != PCI_PREF_RANGE_TYPE_32 && pref_type != PCI_PREF_RANGE_TYPE_64))
2193 printf("\t!!! Unknown prefetchable memory range types %x/%x\n", pref_base, pref_limit);
2196 pref_base = (pref_base & PCI_PREF_RANGE_MASK) << 16;
2197 pref_limit = (pref_limit & PCI_PREF_RANGE_MASK) << 16;
2198 if (pref_base <= pref_limit || verb)
2200 if (pref_type == PCI_PREF_RANGE_TYPE_32)
2201 printf("\tPrefetchable memory behind bridge: %08x-%08x\n", pref_base, pref_limit + 0xfffff);
2203 printf("\tPrefetchable memory behind bridge: %08x%08x-%08x%08x\n",
2204 get_conf_long(d, PCI_PREF_BASE_UPPER32),
2206 get_conf_long(d, PCI_PREF_LIMIT_UPPER32),
2207 pref_limit + 0xfffff);
2212 printf("\tSecondary status: 66MHz%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c <SERR%c <PERR%c\n",
2213 FLAG(sec_stat, PCI_STATUS_66MHZ),
2214 FLAG(sec_stat, PCI_STATUS_FAST_BACK),
2215 FLAG(sec_stat, PCI_STATUS_PARITY),
2216 ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
2217 ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
2218 ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
2219 FLAG(sec_stat, PCI_STATUS_SIG_TARGET_ABORT),
2220 FLAG(sec_stat, PCI_STATUS_REC_TARGET_ABORT),
2221 FLAG(sec_stat, PCI_STATUS_REC_MASTER_ABORT),
2222 FLAG(sec_stat, PCI_STATUS_SIG_SYSTEM_ERROR),
2223 FLAG(sec_stat, PCI_STATUS_DETECTED_PARITY));
2225 show_rom(d, PCI_ROM_ADDRESS1);
2229 printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c MAbort%c >Reset%c FastB2B%c\n",
2230 FLAG(brc, PCI_BRIDGE_CTL_PARITY),
2231 FLAG(brc, PCI_BRIDGE_CTL_SERR),
2232 FLAG(brc, PCI_BRIDGE_CTL_NO_ISA),
2233 FLAG(brc, PCI_BRIDGE_CTL_VGA),
2234 FLAG(brc, PCI_BRIDGE_CTL_MASTER_ABORT),
2235 FLAG(brc, PCI_BRIDGE_CTL_BUS_RESET),
2236 FLAG(brc, PCI_BRIDGE_CTL_FAST_BACK));
2237 printf("\t\tPriDiscTmr%c SecDiscTmr%c DiscTmrStat%c DiscTmrSERREn%c\n",
2238 FLAG(brc, PCI_BRIDGE_CTL_PRI_DISCARD_TIMER),
2239 FLAG(brc, PCI_BRIDGE_CTL_SEC_DISCARD_TIMER),
2240 FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_STATUS),
2241 FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN));
2248 show_htype2(struct device *d)
2251 word cmd = get_conf_word(d, PCI_COMMAND);
2252 word brc = get_conf_word(d, PCI_CB_BRIDGE_CONTROL);
2254 int verb = verbose > 2;
2257 printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
2258 get_conf_byte(d, PCI_CB_PRIMARY_BUS),
2259 get_conf_byte(d, PCI_CB_CARD_BUS),
2260 get_conf_byte(d, PCI_CB_SUBORDINATE_BUS),
2261 get_conf_byte(d, PCI_CB_LATENCY_TIMER));
2265 u32 base = get_conf_long(d, PCI_CB_MEMORY_BASE_0 + p);
2266 u32 limit = get_conf_long(d, PCI_CB_MEMORY_LIMIT_0 + p);
2267 if (limit > base || verb)
2268 printf("\tMemory window %d: %08x-%08x%s%s\n", i, base, limit,
2269 (cmd & PCI_COMMAND_MEMORY) ? "" : " [disabled]",
2270 (brc & (PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 << i)) ? " (prefetchable)" : "");
2275 u32 base = get_conf_long(d, PCI_CB_IO_BASE_0 + p);
2276 u32 limit = get_conf_long(d, PCI_CB_IO_LIMIT_0 + p);
2277 if (!(base & PCI_IO_RANGE_TYPE_32))
2282 base &= PCI_CB_IO_RANGE_MASK;
2283 limit = (limit & PCI_CB_IO_RANGE_MASK) + 3;
2284 if (base <= limit || verb)
2285 printf("\tI/O window %d: %08x-%08x%s\n", i, base, limit,
2286 (cmd & PCI_COMMAND_IO) ? "" : " [disabled]");
2289 if (get_conf_word(d, PCI_CB_SEC_STATUS) & PCI_STATUS_SIG_SYSTEM_ERROR)
2290 printf("\tSecondary status: SERR\n");
2292 printf("\tBridgeCtl: Parity%c SERR%c ISA%c VGA%c MAbort%c >Reset%c 16bInt%c PostWrite%c\n",
2293 FLAG(brc, PCI_CB_BRIDGE_CTL_PARITY),
2294 FLAG(brc, PCI_CB_BRIDGE_CTL_SERR),
2295 FLAG(brc, PCI_CB_BRIDGE_CTL_ISA),
2296 FLAG(brc, PCI_CB_BRIDGE_CTL_VGA),
2297 FLAG(brc, PCI_CB_BRIDGE_CTL_MASTER_ABORT),
2298 FLAG(brc, PCI_CB_BRIDGE_CTL_CB_RESET),
2299 FLAG(brc, PCI_CB_BRIDGE_CTL_16BIT_INT),
2300 FLAG(brc, PCI_CB_BRIDGE_CTL_POST_WRITES));
2302 if (d->config_cached < 128)
2304 printf("\t<access denied to the rest>\n");
2308 exca = get_conf_word(d, PCI_CB_LEGACY_MODE_BASE);
2310 printf("\t16-bit legacy interface ports at %04x\n", exca);
2314 show_verbose(struct device *d)
2316 struct pci_dev *p = d->dev;
2317 word status = get_conf_word(d, PCI_STATUS);
2318 word cmd = get_conf_word(d, PCI_COMMAND);
2319 word class = p->device_class;
2320 byte bist = get_conf_byte(d, PCI_BIST);
2321 byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
2322 byte latency = get_conf_byte(d, PCI_LATENCY_TIMER);
2323 byte cache_line = get_conf_byte(d, PCI_CACHE_LINE_SIZE);
2324 byte max_lat, min_gnt;
2325 byte int_pin = get_conf_byte(d, PCI_INTERRUPT_PIN);
2326 unsigned int irq = p->irq;
2332 case PCI_HEADER_TYPE_NORMAL:
2333 if (class == PCI_CLASS_BRIDGE_PCI)
2334 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
2335 max_lat = get_conf_byte(d, PCI_MAX_LAT);
2336 min_gnt = get_conf_byte(d, PCI_MIN_GNT);
2338 case PCI_HEADER_TYPE_BRIDGE:
2339 if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
2340 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
2341 irq = int_pin = min_gnt = max_lat = 0;
2343 case PCI_HEADER_TYPE_CARDBUS:
2344 if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
2345 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
2346 min_gnt = max_lat = 0;
2349 printf("\t!!! Unknown header type %02x\n", htype);
2355 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",
2356 FLAG(cmd, PCI_COMMAND_IO),
2357 FLAG(cmd, PCI_COMMAND_MEMORY),
2358 FLAG(cmd, PCI_COMMAND_MASTER),
2359 FLAG(cmd, PCI_COMMAND_SPECIAL),
2360 FLAG(cmd, PCI_COMMAND_INVALIDATE),
2361 FLAG(cmd, PCI_COMMAND_VGA_PALETTE),
2362 FLAG(cmd, PCI_COMMAND_PARITY),
2363 FLAG(cmd, PCI_COMMAND_WAIT),
2364 FLAG(cmd, PCI_COMMAND_SERR),
2365 FLAG(cmd, PCI_COMMAND_FAST_BACK),
2366 FLAG(cmd, PCI_COMMAND_DISABLE_INTx));
2367 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",
2368 FLAG(status, PCI_STATUS_CAP_LIST),
2369 FLAG(status, PCI_STATUS_66MHZ),
2370 FLAG(status, PCI_STATUS_UDF),
2371 FLAG(status, PCI_STATUS_FAST_BACK),
2372 FLAG(status, PCI_STATUS_PARITY),
2373 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
2374 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
2375 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
2376 FLAG(status, PCI_STATUS_SIG_TARGET_ABORT),
2377 FLAG(status, PCI_STATUS_REC_TARGET_ABORT),
2378 FLAG(status, PCI_STATUS_REC_MASTER_ABORT),
2379 FLAG(status, PCI_STATUS_SIG_SYSTEM_ERROR),
2380 FLAG(status, PCI_STATUS_DETECTED_PARITY),
2381 FLAG(status, PCI_STATUS_INTx));
2382 if (cmd & PCI_COMMAND_MASTER)
2384 printf("\tLatency: %d", latency);
2385 if (min_gnt || max_lat)
2389 printf("%dns min", min_gnt*250);
2390 if (min_gnt && max_lat)
2393 printf("%dns max", max_lat*250);
2397 printf(", Cache Line Size: %d bytes", cache_line * 4);
2401 printf("\tInterrupt: pin %c routed to IRQ " PCIIRQ_FMT "\n",
2402 (int_pin ? 'A' + int_pin - 1 : '?'), irq);
2406 printf("\tFlags: ");
2407 if (cmd & PCI_COMMAND_MASTER)
2408 printf("bus master, ");
2409 if (cmd & PCI_COMMAND_VGA_PALETTE)
2410 printf("VGA palette snoop, ");
2411 if (cmd & PCI_COMMAND_WAIT)
2412 printf("stepping, ");
2413 if (cmd & PCI_COMMAND_FAST_BACK)
2414 printf("fast Back2Back, ");
2415 if (status & PCI_STATUS_66MHZ)
2417 if (status & PCI_STATUS_UDF)
2418 printf("user-definable features, ");
2420 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
2421 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
2422 ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??");
2423 if (cmd & PCI_COMMAND_MASTER)
2424 printf(", latency %d", latency);
2426 printf(", IRQ " PCIIRQ_FMT, irq);
2430 if (bist & PCI_BIST_CAPABLE)
2432 if (bist & PCI_BIST_START)
2433 printf("\tBIST is running\n");
2435 printf("\tBIST result: %02x\n", bist & PCI_BIST_CODE_MASK);
2440 case PCI_HEADER_TYPE_NORMAL:
2443 case PCI_HEADER_TYPE_BRIDGE:
2446 case PCI_HEADER_TYPE_CARDBUS:
2452 /*** Machine-readable dumps ***/
2455 show_hex_dump(struct device *d)
2457 unsigned int i, cnt;
2459 cnt = d->config_cached;
2460 if (opt_hex >= 3 && config_fetch(d, cnt, 256-cnt))
2463 if (opt_hex >= 4 && config_fetch(d, 256, 4096-256))
2467 for(i=0; i<cnt; i++)
2471 printf(" %02x", get_conf_byte(d, i));
2478 print_shell_escaped(char *c)
2483 if (*c == '"' || *c == '\\')
2491 show_machine(struct device *d)
2493 struct pci_dev *p = d->dev;
2496 char classbuf[128], vendbuf[128], devbuf[128], svbuf[128], sdbuf[128];
2498 get_subid(d, &sv_id, &sd_id);
2502 printf((opt_machine >= 2) ? "Slot:\t" : "Device:\t");
2505 printf("Class:\t%s\n",
2506 pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
2507 printf("Vendor:\t%s\n",
2508 pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
2509 printf("Device:\t%s\n",
2510 pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
2511 if (sv_id && sv_id != 0xffff)
2513 printf("SVendor:\t%s\n",
2514 pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, sv_id));
2515 printf("SDevice:\t%s\n",
2516 pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, sv_id, sd_id));
2518 if (c = get_conf_byte(d, PCI_REVISION_ID))
2519 printf("Rev:\t%02x\n", c);
2520 if (c = get_conf_byte(d, PCI_CLASS_PROG))
2521 printf("ProgIf:\t%02x\n", c);
2523 show_kernel_machine(d);
2528 print_shell_escaped(pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
2529 print_shell_escaped(pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
2530 print_shell_escaped(pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
2531 if (c = get_conf_byte(d, PCI_REVISION_ID))
2532 printf(" -r%02x", c);
2533 if (c = get_conf_byte(d, PCI_CLASS_PROG))
2534 printf(" -p%02x", c);
2535 if (sv_id && sv_id != 0xffff)
2537 print_shell_escaped(pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, sv_id));
2538 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));
2541 printf(" \"\" \"\"");
2546 /*** Main show function ***/
2549 show_device(struct device *d)
2559 if (opt_kernel || verbose)
2564 if (verbose || opt_hex)
2573 for(d=first_dev; d; d=d->next)
2577 /*** Tree output ***/
2580 struct bridge *chain; /* Single-linked list of bridges */
2581 struct bridge *next, *child; /* Tree of bridges */
2582 struct bus *first_bus; /* List of buses connected to this bridge */
2583 unsigned int domain;
2584 unsigned int primary, secondary, subordinate; /* Bus numbers */
2585 struct device *br_dev;
2589 unsigned int domain;
2590 unsigned int number;
2591 struct bus *sibling;
2592 struct device *first_dev, **last_dev;
2595 static struct bridge host_bridge = { NULL, NULL, NULL, NULL, 0, ~0, 0, ~0, NULL };
2598 find_bus(struct bridge *b, unsigned int domain, unsigned int n)
2602 for(bus=b->first_bus; bus; bus=bus->sibling)
2603 if (bus->domain == domain && bus->number == n)
2609 new_bus(struct bridge *b, unsigned int domain, unsigned int n)
2611 struct bus *bus = xmalloc(sizeof(struct bus));
2612 bus->domain = domain;
2614 bus->sibling = b->first_bus;
2615 bus->first_dev = NULL;
2616 bus->last_dev = &bus->first_dev;
2622 insert_dev(struct device *d, struct bridge *b)
2624 struct pci_dev *p = d->dev;
2627 if (! (bus = find_bus(b, p->domain, p->bus)))
2630 for(c=b->child; c; c=c->next)
2631 if (c->domain == p->domain && c->secondary <= p->bus && p->bus <= c->subordinate)
2636 bus = new_bus(b, p->domain, p->bus);
2638 /* Simple insertion at the end _does_ guarantee the correct order as the
2639 * original device list was sorted by (domain, bus, devfn) lexicographically
2640 * and all devices on the new list have the same bus number.
2643 bus->last_dev = &d->next;
2650 struct device *d, *d2;
2651 struct bridge **last_br, *b;
2653 /* Build list of bridges */
2655 last_br = &host_bridge.chain;
2656 for(d=first_dev; d; d=d->next)
2658 word class = d->dev->device_class;
2659 byte ht = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
2660 if (class == PCI_CLASS_BRIDGE_PCI &&
2661 (ht == PCI_HEADER_TYPE_BRIDGE || ht == PCI_HEADER_TYPE_CARDBUS))
2663 b = xmalloc(sizeof(struct bridge));
2664 b->domain = d->dev->domain;
2665 if (ht == PCI_HEADER_TYPE_BRIDGE)
2667 b->primary = get_conf_byte(d, PCI_PRIMARY_BUS);
2668 b->secondary = get_conf_byte(d, PCI_SECONDARY_BUS);
2669 b->subordinate = get_conf_byte(d, PCI_SUBORDINATE_BUS);
2673 b->primary = get_conf_byte(d, PCI_CB_PRIMARY_BUS);
2674 b->secondary = get_conf_byte(d, PCI_CB_CARD_BUS);
2675 b->subordinate = get_conf_byte(d, PCI_CB_SUBORDINATE_BUS);
2678 last_br = &b->chain;
2679 b->next = b->child = NULL;
2680 b->first_bus = NULL;
2686 /* Create a bridge tree */
2688 for(b=&host_bridge; b; b=b->chain)
2690 struct bridge *c, *best;
2692 for(c=&host_bridge; c; c=c->chain)
2693 if (c != b && (c == &host_bridge || b->domain == c->domain) &&
2694 b->primary >= c->secondary && b->primary <= c->subordinate &&
2695 (!best || best->subordinate - best->primary > c->subordinate - c->primary))
2699 b->next = best->child;
2704 /* Insert secondary bus for each bridge */
2706 for(b=&host_bridge; b; b=b->chain)
2707 if (!find_bus(b, b->domain, b->secondary))
2708 new_bus(b, b->domain, b->secondary);
2710 /* Create bus structs and link devices */
2712 for(d=first_dev; d;)
2715 insert_dev(d, &host_bridge);
2721 print_it(char *line, char *p)
2725 fputs(line, stdout);
2726 for(p=line; *p; p++)
2727 if (*p == '+' || *p == '|')
2733 static void show_tree_bridge(struct bridge *, char *, char *);
2736 show_tree_dev(struct device *d, char *line, char *p)
2738 struct pci_dev *q = d->dev;
2742 p += sprintf(p, "%02x.%x", q->dev, q->func);
2743 for(b=&host_bridge; b; b=b->chain)
2746 if (b->secondary == b->subordinate)
2747 p += sprintf(p, "-[%04x:%02x]-", b->domain, b->secondary);
2749 p += sprintf(p, "-[%04x:%02x-%02x]-", b->domain, b->secondary, b->subordinate);
2750 show_tree_bridge(b, line, p);
2754 p += sprintf(p, " %s",
2755 pci_lookup_name(pacc, namebuf, sizeof(namebuf),
2756 PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
2757 q->vendor_id, q->device_id));
2762 show_tree_bus(struct bus *b, char *line, char *p)
2766 else if (!b->first_dev->next)
2770 show_tree_dev(b->first_dev, line, p);
2774 struct device *d = b->first_dev;
2779 show_tree_dev(d, line, p+2);
2784 show_tree_dev(d, line, p+2);
2789 show_tree_bridge(struct bridge *b, char *line, char *p)
2792 if (!b->first_bus->sibling)
2794 if (b == &host_bridge)
2795 p += sprintf(p, "[%04x:%02x]-", b->domain, b->first_bus->number);
2796 show_tree_bus(b->first_bus, line, p);
2800 struct bus *u = b->first_bus;
2805 k = p + sprintf(p, "+-[%04x:%02x]-", u->domain, u->number);
2806 show_tree_bus(u, line, k);
2809 k = p + sprintf(p, "\\-[%04x:%02x]-", u->domain, u->number);
2810 show_tree_bus(u, line, k);
2820 show_tree_bridge(&host_bridge, line, line);
2823 /*** Bus mapping mode ***/
2826 struct bus_bridge *next;
2827 byte this, dev, func, first, last, bug;
2833 struct bus_bridge *bridges, *via;
2836 static struct bus_info *bus_info;
2839 map_bridge(struct bus_info *bi, struct device *d, int np, int ns, int nl)
2841 struct bus_bridge *b = xmalloc(sizeof(struct bus_bridge));
2842 struct pci_dev *p = d->dev;
2844 b->next = bi->bridges;
2846 b->this = get_conf_byte(d, np);
2849 b->first = get_conf_byte(d, ns);
2850 b->last = get_conf_byte(d, nl);
2851 printf("## %02x.%02x:%d is a bridge from %02x to %02x-%02x\n",
2852 p->bus, p->dev, p->func, b->this, b->first, b->last);
2853 if (b->this != p->bus)
2854 printf("!!! Bridge points to invalid primary bus.\n");
2855 if (b->first > b->last)
2857 printf("!!! Bridge points to invalid bus range.\n");
2866 int verbose = pacc->debugging;
2867 struct bus_info *bi = bus_info + bus;
2871 printf("Mapping bus %02x\n", bus);
2872 for(dev = 0; dev < 32; dev++)
2873 if (filter.slot < 0 || filter.slot == dev)
2876 for(func = 0; func < func_limit; func++)
2877 if (filter.func < 0 || filter.func == func)
2879 /* XXX: Bus mapping supports only domain 0 */
2880 struct pci_dev *p = pci_get_dev(pacc, 0, bus, dev, func);
2881 u16 vendor = pci_read_word(p, PCI_VENDOR_ID);
2882 if (vendor && vendor != 0xffff)
2884 if (!func && (pci_read_byte(p, PCI_HEADER_TYPE) & 0x80))
2887 printf("Discovered device %02x:%02x.%d\n", bus, dev, func);
2889 if (d = scan_device(p))
2892 switch (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f)
2894 case PCI_HEADER_TYPE_BRIDGE:
2895 map_bridge(bi, d, PCI_PRIMARY_BUS, PCI_SECONDARY_BUS, PCI_SUBORDINATE_BUS);
2897 case PCI_HEADER_TYPE_CARDBUS:
2898 map_bridge(bi, d, PCI_CB_PRIMARY_BUS, PCI_CB_CARD_BUS, PCI_CB_SUBORDINATE_BUS);
2904 printf("But it was filtered out.\n");
2912 do_map_bridges(int bus, int min, int max)
2914 struct bus_info *bi = bus_info + bus;
2915 struct bus_bridge *b;
2918 for(b=bi->bridges; b; b=b->next)
2920 if (bus_info[b->first].guestbook)
2922 else if (b->first < min || b->last > max)
2926 bus_info[b->first].via = b;
2927 do_map_bridges(b->first, b->first, b->last);
2937 printf("\nSummary of buses:\n\n");
2938 for(i=0; i<256; i++)
2939 if (bus_info[i].exists && !bus_info[i].guestbook)
2940 do_map_bridges(i, 0, 255);
2941 for(i=0; i<256; i++)
2943 struct bus_info *bi = bus_info + i;
2944 struct bus_bridge *b = bi->via;
2948 printf("%02x: ", i);
2950 printf("Entered via %02x:%02x.%d\n", b->this, b->dev, b->func);
2952 printf("Primary host bus\n");
2954 printf("Secondary host bus (?)\n");
2956 for(b=bi->bridges; b; b=b->next)
2958 printf("\t%02x.%d Bridge to %02x-%02x", b->dev, b->func, b->first, b->last);
2962 printf(" <overlap bug>");
2965 printf(" <crossing bug>");
2976 if (pacc->method == PCI_ACCESS_PROC_BUS_PCI ||
2977 pacc->method == PCI_ACCESS_DUMP)
2978 printf("WARNING: Bus mapping can be reliable only with direct hardware access enabled.\n\n");
2979 bus_info = xmalloc(sizeof(struct bus_info) * 256);
2980 memset(bus_info, 0, sizeof(struct bus_info) * 256);
2981 if (filter.bus >= 0)
2982 do_map_bus(filter.bus);
2986 for(bus=0; bus<256; bus++)
2995 main(int argc, char **argv)
3000 if (argc == 2 && !strcmp(argv[1], "--version"))
3002 puts("lspci version " PCIUTILS_VERSION);
3008 pci_filter_init(pacc, &filter);
3010 while ((i = getopt(argc, argv, options)) != -1)
3014 pacc->numeric_ids++;
3020 pacc->buscentric = 1;
3024 if (msg = pci_filter_parse_slot(&filter, optarg))
3028 if (msg = pci_filter_parse_id(&filter, optarg))
3038 pci_set_name_list_path(pacc, optarg, 0);
3044 opt_pcimap = optarg;
3067 die("DNS queries are not available in this version");
3070 if (parse_generic_option(i, pacc, optarg))
3073 fprintf(stderr, help_msg, pacc->id_file_name);
3081 pacc->id_lookup_mode |= PCI_LOOKUP_NETWORK;
3082 if (opt_query_dns > 1)
3083 pacc->id_lookup_mode |= PCI_LOOKUP_REFRESH_CACHE;
3086 pacc->id_lookup_mode |= PCI_LOOKUP_NETWORK | PCI_LOOKUP_SKIP_LOCAL;
3102 return (seen_errors ? 2 : 0);