lspci.c

   1 /*
   2  *      The PCI Utilities -- List All PCI Devices
   3  *
   4  *      Copyright (c) 1997--2016 Martin Mares <mj@ucw.cz>
   5  *
   6  *      Can be freely distributed and used under the terms of the GNU GPL.
   7  */
   8
   9 #include <stdio.h>
  10 #include <string.h>
  11 #include <stdlib.h>
  12 #include <stdarg.h>
  13
  14 #include "lspci.h"
  15
  16 /* Options */
  17
  18 int verbose;                            /* Show detailed information */
  19 static int opt_hex;                     /* Show contents of config space as hexadecimal numbers */
  20 struct pci_filter filter;               /* Device filter */
  21 static int opt_tree;                    /* Show bus tree */
  22 static int opt_machine;                 /* Generate machine-readable output */
  23 static int opt_map_mode;                /* Bus mapping mode enabled */
  24 static int opt_domains;                 /* Show domain numbers (0=disabled, 1=auto-detected, 2=requested) */
  25 static int opt_kernel;                  /* Show kernel drivers */
  26 static int opt_query_dns;               /* Query the DNS (0=disabled, 1=enabled, 2=refresh cache) */
  27 static int opt_query_all;               /* Query the DNS for all entries */
  28 char *opt_pcimap;                       /* Override path to Linux modules.pcimap */
  29
  30 const char program_name[] = "lspci";
  31
  32 static char options[] = "nvbxs:d:ti:mgp:qkMDQ" GENERIC_OPTIONS ;
  33
  34 static char help_msg[] =
  35 "Usage: lspci [<switches>]\n"
  36 "\n"
  37 "Basic display modes:\n"
  38 "-mm\t\tProduce machine-readable output (single -m for an obsolete format)\n"
  39 "-t\t\tShow bus tree\n"
  40 "\n"
  41 "Display options:\n"
  42 "-v\t\tBe verbose (-vv for very verbose)\n"
  43 #ifdef PCI_OS_LINUX
  44 "-k\t\tShow kernel drivers handling each device\n"
  45 #endif
  46 "-x\t\tShow hex-dump of the standard part of the config space\n"
  47 "-xxx\t\tShow hex-dump of the whole config space (dangerous; root only)\n"
  48 "-xxxx\t\tShow hex-dump of the 4096-byte extended config space (root only)\n"
  49 "-b\t\tBus-centric view (addresses and IRQ's as seen by the bus)\n"
  50 "-D\t\tAlways show domain numbers\n"
  51 "\n"
  52 "Resolving of device ID's to names:\n"
  53 "-n\t\tShow numeric ID's\n"
  54 "-nn\t\tShow both textual and numeric ID's (names & numbers)\n"
  55 #ifdef PCI_USE_DNS
  56 "-q\t\tQuery the PCI ID database for unknown ID's via DNS\n"
  57 "-qq\t\tAs above, but re-query locally cached entries\n"
  58 "-Q\t\tQuery the PCI ID database for all ID's via DNS\n"
  59 #endif
  60 "\n"
  61 "Selection of devices:\n"
  62 "-s [[[[<domain>]:]<bus>]:][<slot>][.[<func>]]\tShow only devices in selected slots\n"
  63 "-d [<vendor>]:[<device>][:<class>]\t\tShow only devices with specified ID's\n"
  64 "\n"
  65 "Other options:\n"
  66 "-i <file>\tUse specified ID database instead of %s\n"
  67 #ifdef PCI_OS_LINUX
  68 "-p <file>\tLook up kernel modules in a given file instead of default modules.pcimap\n"
  69 #endif
  70 "-M\t\tEnable `bus mapping' mode (dangerous; root only)\n"
  71 "\n"
  72 "PCI access options:\n"
  73 GENERIC_HELP
  74 ;
  75
  76 /*** Our view of the PCI bus ***/
  77
  78 struct pci_access *pacc;
  79 struct device *first_dev;
  80 static int seen_errors;
  81
  82 int
  83 config_fetch(struct device *d, unsigned int pos, unsigned int len)
  84 {
  85   unsigned int end = pos+len;
  86   int result;
  87
  88   while (pos < d->config_bufsize && len && d->present[pos])
  89     pos++, len--;
  90   while (pos+len <= d->config_bufsize && len && d->present[pos+len-1])
  91     len--;
  92   if (!len)
  93     return 1;
  94
  95   if (end > d->config_bufsize)
  96     {
  97       int orig_size = d->config_bufsize;
  98       while (end > d->config_bufsize)
  99         d->config_bufsize *= 2;
 100       d->config = xrealloc(d->config, d->config_bufsize);
 101       d->present = xrealloc(d->present, d->config_bufsize);
 102       memset(d->present + orig_size, 0, d->config_bufsize - orig_size);
 103     }
 104   result = pci_read_block(d->dev, pos, d->config + pos, len);
 105   if (result)
 106     memset(d->present + pos, 1, len);
 107   return result;
 108 }
 109
 110 struct device *
 111 scan_device(struct pci_dev *p)
 112 {
 113   struct device *d;
 114
 115   if (p->domain && !opt_domains)
 116     opt_domains = 1;
 117   if (!pci_filter_match(&filter, p))
 118     return NULL;
 119   d = xmalloc(sizeof(struct device));
 120   memset(d, 0, sizeof(*d));
 121   d->dev = p;
 122   d->config_cached = d->config_bufsize = 64;
 123   d->config = xmalloc(64);
 124   d->present = xmalloc(64);
 125   memset(d->present, 1, 64);
 126   if (!pci_read_block(p, 0, d->config, 64))
 127     {
 128       fprintf(stderr, "lspci: Unable to read the standard configuration space header of device %04x:%02x:%02x.%d\n",
 129               p->domain, p->bus, p->dev, p->func);
 130       seen_errors++;
 131       return NULL;
 132     }
 133   if ((d->config[PCI_HEADER_TYPE] & 0x7f) == PCI_HEADER_TYPE_CARDBUS)
 134     {
 135       /* For cardbus bridges, we need to fetch 64 bytes more to get the
 136        * full standard header... */
 137       if (config_fetch(d, 64, 64))
 138         d->config_cached += 64;
 139     }
 140   pci_setup_cache(p, d->config, d->config_cached);
 141   pci_fill_info(p, PCI_FILL_IDENT | PCI_FILL_CLASS);
 142   return d;
 143 }
 144
 145 static void
 146 scan_devices(void)
 147 {
 148   struct device *d;
 149   struct pci_dev *p;
 150
 151   pci_scan_bus(pacc);
 152   for (p=pacc->devices; p; p=p->next)
 153     if (d = scan_device(p))
 154       {
 155         d->next = first_dev;
 156         first_dev = d;
 157       }
 158 }
 159
 160 /*** Config space accesses ***/
 161
 162 static void
 163 check_conf_range(struct device *d, unsigned int pos, unsigned int len)
 164 {
 165   while (len)
 166     if (!d->present[pos])
 167       die("Internal bug: Accessing non-read configuration byte at position %x", pos);
 168     else
 169       pos++, len--;
 170 }
 171
 172 byte
 173 get_conf_byte(struct device *d, unsigned int pos)
 174 {
 175   check_conf_range(d, pos, 1);
 176   return d->config[pos];
 177 }
 178
 179 word
 180 get_conf_word(struct device *d, unsigned int pos)
 181 {
 182   check_conf_range(d, pos, 2);
 183   return d->config[pos] | (d->config[pos+1] << 8);
 184 }
 185
 186 u32
 187 get_conf_long(struct device *d, unsigned int pos)
 188 {
 189   check_conf_range(d, pos, 4);
 190   return d->config[pos] |
 191     (d->config[pos+1] << 8) |
 192     (d->config[pos+2] << 16) |
 193     (d->config[pos+3] << 24);
 194 }
 195
 196 /*** Sorting ***/
 197
 198 static int
 199 compare_them(const void *A, const void *B)
 200 {
 201   const struct pci_dev *a = (*(const struct device **)A)->dev;
 202   const struct pci_dev *b = (*(const struct device **)B)->dev;
 203
 204   if (a->domain < b->domain)
 205     return -1;
 206   if (a->domain > b->domain)
 207     return 1;
 208   if (a->bus < b->bus)
 209     return -1;
 210   if (a->bus > b->bus)
 211     return 1;
 212   if (a->dev < b->dev)
 213     return -1;
 214   if (a->dev > b->dev)
 215     return 1;
 216   if (a->func < b->func)
 217     return -1;
 218   if (a->func > b->func)
 219     return 1;
 220   return 0;
 221 }
 222
 223 static void
 224 sort_them(void)
 225 {
 226   struct device **index, **h, **last_dev;
 227   int cnt;
 228   struct device *d;
 229
 230   cnt = 0;
 231   for (d=first_dev; d; d=d->next)
 232     cnt++;
 233   h = index = alloca(sizeof(struct device *) * cnt);
 234   for (d=first_dev; d; d=d->next)
 235     *h++ = d;
 236   qsort(index, cnt, sizeof(struct device *), compare_them);
 237   last_dev = &first_dev;
 238   h = index;
 239   while (cnt--)
 240     {
 241       *last_dev = *h;
 242       last_dev = &(*h)->next;
 243       h++;
 244     }
 245   *last_dev = NULL;
 246 }
 247
 248 /*** Normal output ***/
 249
 250 static void
 251 show_slot_name(struct device *d)
 252 {
 253   struct pci_dev *p = d->dev;
 254
 255   if (!opt_machine ? opt_domains : (p->domain || opt_domains >= 2))
 256     printf("%04x:", p->domain);
 257   printf("%02x:%02x.%d", p->bus, p->dev, p->func);
 258 }
 259
 260 void
 261 get_subid(struct device *d, word *subvp, word *subdp)
 262 {
 263   byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
 264
 265   if (htype == PCI_HEADER_TYPE_NORMAL)
 266     {
 267       *subvp = get_conf_word(d, PCI_SUBSYSTEM_VENDOR_ID);
 268       *subdp = get_conf_word(d, PCI_SUBSYSTEM_ID);
 269     }
 270   else if (htype == PCI_HEADER_TYPE_CARDBUS && d->config_cached >= 128)
 271     {
 272       *subvp = get_conf_word(d, PCI_CB_SUBSYSTEM_VENDOR_ID);
 273       *subdp = get_conf_word(d, PCI_CB_SUBSYSTEM_ID);
 274     }
 275   else
 276     *subvp = *subdp = 0xffff;
 277 }
 278
 279 static void
 280 show_terse(struct device *d)
 281 {
 282   int c;
 283   struct pci_dev *p = d->dev;
 284   char classbuf[128], devbuf[128];
 285
 286   show_slot_name(d);
 287   printf(" %s: %s",
 288          pci_lookup_name(pacc, classbuf, sizeof(classbuf),
 289                          PCI_LOOKUP_CLASS,
 290                          p->device_class),
 291          pci_lookup_name(pacc, devbuf, sizeof(devbuf),
 292                          PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
 293                          p->vendor_id, p->device_id));
 294   if (c = get_conf_byte(d, PCI_REVISION_ID))
 295     printf(" (rev %02x)", c);
 296   if (verbose)
 297     {
 298       char *x;
 299       c = get_conf_byte(d, PCI_CLASS_PROG);
 300       x = pci_lookup_name(pacc, devbuf, sizeof(devbuf),
 301                           PCI_LOOKUP_PROGIF | PCI_LOOKUP_NO_NUMBERS,
 302                           p->device_class, c);
 303       if (c || x)
 304         {
 305           printf(" (prog-if %02x", c);
 306           if (x)
 307             printf(" [%s]", x);
 308           putchar(')');
 309         }
 310     }
 311   putchar('\n');
 312
 313   if (verbose || opt_kernel)
 314     {
 315       word subsys_v, subsys_d;
 316       char ssnamebuf[256];
 317
 318       if (p->label)
 319         printf("\tDeviceName: %s", p->label);
 320       get_subid(d, &subsys_v, &subsys_d);
 321       if (subsys_v && subsys_v != 0xffff)
 322         printf("\tSubsystem: %s\n",
 323                 pci_lookup_name(pacc, ssnamebuf, sizeof(ssnamebuf),
 324                         PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
 325                         p->vendor_id, p->device_id, subsys_v, subsys_d));
 326     }
 327 }
 328
 329 /*** Verbose output ***/
 330
 331 static void
 332 show_size(u64 x)
 333 {
 334   static const char suffix[][2] = { "", "K", "M", "G", "T" };
 335   unsigned i;
 336   if (!x)
 337     return;
 338   for (i = 0; i < (sizeof(suffix) / sizeof(*suffix) - 1); i++) {
 339     if (x % 1024)
 340       break;
 341     x /= 1024;
 342   }
 343   printf(" [size=%u%s]", (unsigned)x, suffix[i]);
 344 }
 345
 346 static void
 347 show_range(char *prefix, u64 base, u64 limit, int is_64bit)
 348 {
 349   if (base > limit)
 350     {
 351       if (!verbose)
 352         return;
 353       else if (verbose < 3)
 354         {
 355           printf("%s: None\n", prefix);
 356           return;
 357         }
 358     }
 359
 360   printf("%s: ", prefix);
 361   if (is_64bit)
 362     printf("%016" PCI_U64_FMT_X "-%016" PCI_U64_FMT_X, base, limit);
 363   else
 364     printf("%08x-%08x", (unsigned) base, (unsigned) limit);
 365   if (base <= limit)
 366     show_size(limit - base + 1);
 367   else
 368     printf(" [empty]");
 369   putchar('\n');
 370 }
 371
 372 static void
 373 show_bases(struct device *d, int cnt)
 374 {
 375   struct pci_dev *p = d->dev;
 376   word cmd = get_conf_word(d, PCI_COMMAND);
 377   int i;
 378   int virtual = 0;
 379
 380   for (i=0; i<cnt; i++)
 381     {
 382       pciaddr_t pos = p->base_addr[i];
 383       pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->size[i] : 0;
 384       pciaddr_t ioflg = (p->known_fields & PCI_FILL_IO_FLAGS) ? p->flags[i] : 0;
 385       u32 flg = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
 386       if (flg == 0xffffffff)
 387         flg = 0;
 388       if (!pos && !flg && !len)
 389         continue;
 390       if (verbose > 1)
 391         printf("\tRegion %d: ", i);
 392       else
 393         putchar('\t');
 394       if (ioflg & PCI_IORESOURCE_PCI_EA_BEI)
 395           printf("[enhanced] ");
 396       else if (pos && !flg)     /* Reported by the OS, but not by the device */
 397         {
 398           printf("[virtual] ");
 399           flg = pos;
 400           virtual = 1;
 401         }
 402       if (flg & PCI_BASE_ADDRESS_SPACE_IO)
 403         {
 404           pciaddr_t a = pos & PCI_BASE_ADDRESS_IO_MASK;
 405           printf("I/O ports at ");
 406           if (a || (cmd & PCI_COMMAND_IO))
 407             printf(PCIADDR_PORT_FMT, a);
 408           else if (flg & PCI_BASE_ADDRESS_IO_MASK)
 409             printf("<ignored>");
 410           else
 411             printf("<unassigned>");
 412           if (!virtual && !(cmd & PCI_COMMAND_IO))
 413             printf(" [disabled]");
 414         }
 415       else
 416         {
 417           int t = flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK;
 418           pciaddr_t a = pos & PCI_ADDR_MEM_MASK;
 419           int done = 0;
 420           u32 z = 0;
 421
 422           printf("Memory at ");
 423           if (t == PCI_BASE_ADDRESS_MEM_TYPE_64)
 424             {
 425               if (i >= cnt - 1)
 426                 {
 427                   printf("<invalid-64bit-slot>");
 428                   done = 1;
 429                 }
 430               else
 431                 {
 432                   i++;
 433                   z = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
 434                 }
 435             }
 436           if (!done)
 437             {
 438               if (a)
 439                 printf(PCIADDR_T_FMT, a);
 440               else
 441                 printf(((flg & PCI_BASE_ADDRESS_MEM_MASK) || z) ? "<ignored>" : "<unassigned>");
 442             }
 443           printf(" (%s, %sprefetchable)",
 444                  (t == PCI_BASE_ADDRESS_MEM_TYPE_32) ? "32-bit" :
 445                  (t == PCI_BASE_ADDRESS_MEM_TYPE_64) ? "64-bit" :
 446                  (t == PCI_BASE_ADDRESS_MEM_TYPE_1M) ? "low-1M" : "type 3",
 447                  (flg & PCI_BASE_ADDRESS_MEM_PREFETCH) ? "" : "non-");
 448           if (!virtual && !(cmd & PCI_COMMAND_MEMORY))
 449             printf(" [disabled]");
 450         }
 451       show_size(len);
 452       putchar('\n');
 453     }
 454 }
 455
 456 static void
 457 show_rom(struct device *d, int reg)
 458 {
 459   struct pci_dev *p = d->dev;
 460   pciaddr_t rom = p->rom_base_addr;
 461   pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->rom_size : 0;
 462   pciaddr_t ioflg = (p->known_fields & PCI_FILL_IO_FLAGS) ? p->rom_flags : 0;
 463   u32 flg = get_conf_long(d, reg);
 464   word cmd = get_conf_word(d, PCI_COMMAND);
 465   int virtual = 0;
 466
 467   if (!rom && !flg && !len)
 468     return;
 469   putchar('\t');
 470   if (ioflg & PCI_IORESOURCE_PCI_EA_BEI)
 471       printf("[enhanced] ");
 472   else if ((rom & PCI_ROM_ADDRESS_MASK) && !(flg & PCI_ROM_ADDRESS_MASK))
 473     {
 474       printf("[virtual] ");
 475       flg = rom;
 476       virtual = 1;
 477     }
 478   printf("Expansion ROM at ");
 479   if (rom & PCI_ROM_ADDRESS_MASK)
 480     printf(PCIADDR_T_FMT, rom & PCI_ROM_ADDRESS_MASK);
 481   else if (flg & PCI_ROM_ADDRESS_MASK)
 482     printf("<ignored>");
 483   else
 484     printf("<unassigned>");
 485   if (!(flg & PCI_ROM_ADDRESS_ENABLE))
 486     printf(" [disabled]");
 487   else if (!virtual && !(cmd & PCI_COMMAND_MEMORY))
 488     printf(" [disabled by cmd]");
 489   show_size(len);
 490   putchar('\n');
 491 }
 492
 493 static void
 494 show_htype0(struct device *d)
 495 {
 496   show_bases(d, 6);
 497   show_rom(d, PCI_ROM_ADDRESS);
 498   show_caps(d, PCI_CAPABILITY_LIST);
 499 }
 500
 501 static void
 502 show_htype1(struct device *d)
 503 {
 504   u32 io_base = get_conf_byte(d, PCI_IO_BASE);
 505   u32 io_limit = get_conf_byte(d, PCI_IO_LIMIT);
 506   u32 io_type = io_base & PCI_IO_RANGE_TYPE_MASK;
 507   u32 mem_base = get_conf_word(d, PCI_MEMORY_BASE);
 508   u32 mem_limit = get_conf_word(d, PCI_MEMORY_LIMIT);
 509   u32 mem_type = mem_base & PCI_MEMORY_RANGE_TYPE_MASK;
 510   u32 pref_base = get_conf_word(d, PCI_PREF_MEMORY_BASE);
 511   u32 pref_limit = get_conf_word(d, PCI_PREF_MEMORY_LIMIT);
 512   u32 pref_type = pref_base & PCI_PREF_RANGE_TYPE_MASK;
 513   word sec_stat = get_conf_word(d, PCI_SEC_STATUS);
 514   word brc = get_conf_word(d, PCI_BRIDGE_CONTROL);
 515
 516   show_bases(d, 2);
 517   printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
 518          get_conf_byte(d, PCI_PRIMARY_BUS),
 519          get_conf_byte(d, PCI_SECONDARY_BUS),
 520          get_conf_byte(d, PCI_SUBORDINATE_BUS),
 521          get_conf_byte(d, PCI_SEC_LATENCY_TIMER));
 522
 523   if (io_type != (io_limit & PCI_IO_RANGE_TYPE_MASK) ||
 524       (io_type != PCI_IO_RANGE_TYPE_16 && io_type != PCI_IO_RANGE_TYPE_32))
 525     printf("\t!!! Unknown I/O range types %x/%x\n", io_base, io_limit);
 526   else
 527     {
 528       io_base = (io_base & PCI_IO_RANGE_MASK) << 8;
 529       io_limit = (io_limit & PCI_IO_RANGE_MASK) << 8;
 530       if (io_type == PCI_IO_RANGE_TYPE_32)
 531         {
 532           io_base |= (get_conf_word(d, PCI_IO_BASE_UPPER16) << 16);
 533           io_limit |= (get_conf_word(d, PCI_IO_LIMIT_UPPER16) << 16);
 534         }
 535       show_range("\tI/O behind bridge", io_base, io_limit+0xfff, 0);
 536     }
 537
 538   if (mem_type != (mem_limit & PCI_MEMORY_RANGE_TYPE_MASK) ||
 539       mem_type)
 540     printf("\t!!! Unknown memory range types %x/%x\n", mem_base, mem_limit);
 541   else
 542     {
 543       mem_base = (mem_base & PCI_MEMORY_RANGE_MASK) << 16;
 544       mem_limit = (mem_limit & PCI_MEMORY_RANGE_MASK) << 16;
 545       show_range("\tMemory behind bridge", mem_base, mem_limit + 0xfffff, 0);
 546     }
 547
 548   if (pref_type != (pref_limit & PCI_PREF_RANGE_TYPE_MASK) ||
 549       (pref_type != PCI_PREF_RANGE_TYPE_32 && pref_type != PCI_PREF_RANGE_TYPE_64))
 550     printf("\t!!! Unknown prefetchable memory range types %x/%x\n", pref_base, pref_limit);
 551   else
 552     {
 553       u64 pref_base_64 = (pref_base & PCI_PREF_RANGE_MASK) << 16;
 554       u64 pref_limit_64 = (pref_limit & PCI_PREF_RANGE_MASK) << 16;
 555       if (pref_type == PCI_PREF_RANGE_TYPE_64)
 556         {
 557           pref_base_64 |= (u64) get_conf_long(d, PCI_PREF_BASE_UPPER32) << 32;
 558           pref_limit_64 |= (u64) get_conf_long(d, PCI_PREF_LIMIT_UPPER32) << 32;
 559         }
 560       show_range("\tPrefetchable memory behind bridge", pref_base_64, pref_limit_64 + 0xfffff, (pref_type == PCI_PREF_RANGE_TYPE_64));
 561     }
 562
 563   if (verbose > 1)
 564     printf("\tSecondary status: 66MHz%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c <SERR%c <PERR%c\n",
 565              FLAG(sec_stat, PCI_STATUS_66MHZ),
 566              FLAG(sec_stat, PCI_STATUS_FAST_BACK),
 567              FLAG(sec_stat, PCI_STATUS_PARITY),
 568              ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
 569              ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
 570              ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
 571              FLAG(sec_stat, PCI_STATUS_SIG_TARGET_ABORT),
 572              FLAG(sec_stat, PCI_STATUS_REC_TARGET_ABORT),
 573              FLAG(sec_stat, PCI_STATUS_REC_MASTER_ABORT),
 574              FLAG(sec_stat, PCI_STATUS_SIG_SYSTEM_ERROR),
 575              FLAG(sec_stat, PCI_STATUS_DETECTED_PARITY));
 576
 577   show_rom(d, PCI_ROM_ADDRESS1);
 578
 579   if (verbose > 1)
 580     {
 581       printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c MAbort%c >Reset%c FastB2B%c\n",
 582         FLAG(brc, PCI_BRIDGE_CTL_PARITY),
 583         FLAG(brc, PCI_BRIDGE_CTL_SERR),
 584         FLAG(brc, PCI_BRIDGE_CTL_NO_ISA),
 585         FLAG(brc, PCI_BRIDGE_CTL_VGA),
 586         FLAG(brc, PCI_BRIDGE_CTL_MASTER_ABORT),
 587         FLAG(brc, PCI_BRIDGE_CTL_BUS_RESET),
 588         FLAG(brc, PCI_BRIDGE_CTL_FAST_BACK));
 589       printf("\t\tPriDiscTmr%c SecDiscTmr%c DiscTmrStat%c DiscTmrSERREn%c\n",
 590         FLAG(brc, PCI_BRIDGE_CTL_PRI_DISCARD_TIMER),
 591         FLAG(brc, PCI_BRIDGE_CTL_SEC_DISCARD_TIMER),
 592         FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_STATUS),
 593         FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN));
 594     }
 595
 596   show_caps(d, PCI_CAPABILITY_LIST);
 597 }
 598
 599 static void
 600 show_htype2(struct device *d)
 601 {
 602   int i;
 603   word cmd = get_conf_word(d, PCI_COMMAND);
 604   word brc = get_conf_word(d, PCI_CB_BRIDGE_CONTROL);
 605   word exca;
 606   int verb = verbose > 2;
 607
 608   show_bases(d, 1);
 609   printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
 610          get_conf_byte(d, PCI_CB_PRIMARY_BUS),
 611          get_conf_byte(d, PCI_CB_CARD_BUS),
 612          get_conf_byte(d, PCI_CB_SUBORDINATE_BUS),
 613          get_conf_byte(d, PCI_CB_LATENCY_TIMER));
 614   for (i=0; i<2; i++)
 615     {
 616       int p = 8*i;
 617       u32 base = get_conf_long(d, PCI_CB_MEMORY_BASE_0 + p);
 618       u32 limit = get_conf_long(d, PCI_CB_MEMORY_LIMIT_0 + p);
 619       limit = limit + 0xfff;
 620       if (base <= limit || verb)
 621         printf("\tMemory window %d: %08x-%08x%s%s\n", i, base, limit,
 622                (cmd & PCI_COMMAND_MEMORY) ? "" : " [disabled]",
 623                (brc & (PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 << i)) ? " (prefetchable)" : "");
 624     }
 625   for (i=0; i<2; i++)
 626     {
 627       int p = 8*i;
 628       u32 base = get_conf_long(d, PCI_CB_IO_BASE_0 + p);
 629       u32 limit = get_conf_long(d, PCI_CB_IO_LIMIT_0 + p);
 630       if (!(base & PCI_IO_RANGE_TYPE_32))
 631         {
 632           base &= 0xffff;
 633           limit &= 0xffff;
 634         }
 635       base &= PCI_CB_IO_RANGE_MASK;
 636       limit = (limit & PCI_CB_IO_RANGE_MASK) + 3;
 637       if (base <= limit || verb)
 638         printf("\tI/O window %d: %08x-%08x%s\n", i, base, limit,
 639                (cmd & PCI_COMMAND_IO) ? "" : " [disabled]");
 640     }
 641
 642   if (get_conf_word(d, PCI_CB_SEC_STATUS) & PCI_STATUS_SIG_SYSTEM_ERROR)
 643     printf("\tSecondary status: SERR\n");
 644   if (verbose > 1)
 645     printf("\tBridgeCtl: Parity%c SERR%c ISA%c VGA%c MAbort%c >Reset%c 16bInt%c PostWrite%c\n",
 646            FLAG(brc, PCI_CB_BRIDGE_CTL_PARITY),
 647            FLAG(brc, PCI_CB_BRIDGE_CTL_SERR),
 648            FLAG(brc, PCI_CB_BRIDGE_CTL_ISA),
 649            FLAG(brc, PCI_CB_BRIDGE_CTL_VGA),
 650            FLAG(brc, PCI_CB_BRIDGE_CTL_MASTER_ABORT),
 651            FLAG(brc, PCI_CB_BRIDGE_CTL_CB_RESET),
 652            FLAG(brc, PCI_CB_BRIDGE_CTL_16BIT_INT),
 653            FLAG(brc, PCI_CB_BRIDGE_CTL_POST_WRITES));
 654
 655   if (d->config_cached < 128)
 656     {
 657       printf("\t<access denied to the rest>\n");
 658       return;
 659     }
 660
 661   exca = get_conf_word(d, PCI_CB_LEGACY_MODE_BASE);
 662   if (exca)
 663     printf("\t16-bit legacy interface ports at %04x\n", exca);
 664   show_caps(d, PCI_CB_CAPABILITY_LIST);
 665 }
 666
 667 static void
 668 show_verbose(struct device *d)
 669 {
 670   struct pci_dev *p = d->dev;
 671   word status = get_conf_word(d, PCI_STATUS);
 672   word cmd = get_conf_word(d, PCI_COMMAND);
 673   word class = p->device_class;
 674   byte bist = get_conf_byte(d, PCI_BIST);
 675   byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
 676   byte latency = get_conf_byte(d, PCI_LATENCY_TIMER);
 677   byte cache_line = get_conf_byte(d, PCI_CACHE_LINE_SIZE);
 678   byte max_lat, min_gnt;
 679   byte int_pin = get_conf_byte(d, PCI_INTERRUPT_PIN);
 680   unsigned int irq;
 681
 682   show_terse(d);
 683
 684   pci_fill_info(p, PCI_FILL_IRQ | PCI_FILL_BASES | PCI_FILL_ROM_BASE | PCI_FILL_SIZES |
 685     PCI_FILL_PHYS_SLOT | PCI_FILL_LABEL | PCI_FILL_NUMA_NODE);
 686   irq = p->irq;
 687
 688   switch (htype)
 689     {
 690     case PCI_HEADER_TYPE_NORMAL:
 691       if (class == PCI_CLASS_BRIDGE_PCI)
 692         printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
 693       max_lat = get_conf_byte(d, PCI_MAX_LAT);
 694       min_gnt = get_conf_byte(d, PCI_MIN_GNT);
 695       break;
 696     case PCI_HEADER_TYPE_BRIDGE:
 697       if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
 698         printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
 699       min_gnt = max_lat = 0;
 700       break;
 701     case PCI_HEADER_TYPE_CARDBUS:
 702       if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
 703         printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
 704       min_gnt = max_lat = 0;
 705       break;
 706     default:
 707       printf("\t!!! Unknown header type %02x\n", htype);
 708       return;
 709     }
 710
 711   if (p->phy_slot)
 712     printf("\tPhysical Slot: %s\n", p->phy_slot);
 713
 714   if (verbose > 1)
 715     {
 716       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",
 717              FLAG(cmd, PCI_COMMAND_IO),
 718              FLAG(cmd, PCI_COMMAND_MEMORY),
 719              FLAG(cmd, PCI_COMMAND_MASTER),
 720              FLAG(cmd, PCI_COMMAND_SPECIAL),
 721              FLAG(cmd, PCI_COMMAND_INVALIDATE),
 722              FLAG(cmd, PCI_COMMAND_VGA_PALETTE),
 723              FLAG(cmd, PCI_COMMAND_PARITY),
 724              FLAG(cmd, PCI_COMMAND_WAIT),
 725              FLAG(cmd, PCI_COMMAND_SERR),
 726              FLAG(cmd, PCI_COMMAND_FAST_BACK),
 727              FLAG(cmd, PCI_COMMAND_DISABLE_INTx));
 728       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",
 729              FLAG(status, PCI_STATUS_CAP_LIST),
 730              FLAG(status, PCI_STATUS_66MHZ),
 731              FLAG(status, PCI_STATUS_UDF),
 732              FLAG(status, PCI_STATUS_FAST_BACK),
 733              FLAG(status, PCI_STATUS_PARITY),
 734              ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
 735              ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
 736              ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
 737              FLAG(status, PCI_STATUS_SIG_TARGET_ABORT),
 738              FLAG(status, PCI_STATUS_REC_TARGET_ABORT),
 739              FLAG(status, PCI_STATUS_REC_MASTER_ABORT),
 740              FLAG(status, PCI_STATUS_SIG_SYSTEM_ERROR),
 741              FLAG(status, PCI_STATUS_DETECTED_PARITY),
 742              FLAG(status, PCI_STATUS_INTx));
 743       if (cmd & PCI_COMMAND_MASTER)
 744         {
 745           printf("\tLatency: %d", latency);
 746           if (min_gnt || max_lat)
 747             {
 748               printf(" (");
 749               if (min_gnt)
 750                 printf("%dns min", min_gnt*250);
 751               if (min_gnt && max_lat)
 752                 printf(", ");
 753               if (max_lat)
 754                 printf("%dns max", max_lat*250);
 755               putchar(')');
 756             }
 757           if (cache_line)
 758             printf(", Cache Line Size: %d bytes", cache_line * 4);
 759           putchar('\n');
 760         }
 761       if (int_pin || irq)
 762         printf("\tInterrupt: pin %c routed to IRQ " PCIIRQ_FMT "\n",
 763                (int_pin ? 'A' + int_pin - 1 : '?'), irq);
 764       if (p->numa_node != -1)
 765         printf("\tNUMA node: %d\n", p->numa_node);
 766     }
 767   else
 768     {
 769       printf("\tFlags: ");
 770       if (cmd & PCI_COMMAND_MASTER)
 771         printf("bus master, ");
 772       if (cmd & PCI_COMMAND_VGA_PALETTE)
 773         printf("VGA palette snoop, ");
 774       if (cmd & PCI_COMMAND_WAIT)
 775         printf("stepping, ");
 776       if (cmd & PCI_COMMAND_FAST_BACK)
 777         printf("fast Back2Back, ");
 778       if (status & PCI_STATUS_66MHZ)
 779         printf("66MHz, ");
 780       if (status & PCI_STATUS_UDF)
 781         printf("user-definable features, ");
 782       printf("%s devsel",
 783              ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
 784              ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
 785              ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??");
 786       if (cmd & PCI_COMMAND_MASTER)
 787         printf(", latency %d", latency);
 788       if (irq)
 789         printf(", IRQ " PCIIRQ_FMT, irq);
 790       if (p->numa_node != -1)
 791         printf(", NUMA node %d", p->numa_node);
 792       putchar('\n');
 793     }
 794
 795   if (bist & PCI_BIST_CAPABLE)
 796     {
 797       if (bist & PCI_BIST_START)
 798         printf("\tBIST is running\n");
 799       else
 800         printf("\tBIST result: %02x\n", bist & PCI_BIST_CODE_MASK);
 801     }
 802
 803   switch (htype)
 804     {
 805     case PCI_HEADER_TYPE_NORMAL:
 806       show_htype0(d);
 807       break;
 808     case PCI_HEADER_TYPE_BRIDGE:
 809       show_htype1(d);
 810       break;
 811     case PCI_HEADER_TYPE_CARDBUS:
 812       show_htype2(d);
 813       break;
 814     }
 815 }
 816
 817 /*** Machine-readable dumps ***/
 818
 819 static void
 820 show_hex_dump(struct device *d)
 821 {
 822   unsigned int i, cnt;
 823
 824   cnt = d->config_cached;
 825   if (opt_hex >= 3 && config_fetch(d, cnt, 256-cnt))
 826     {
 827       cnt = 256;
 828       if (opt_hex >= 4 && config_fetch(d, 256, 4096-256))
 829         cnt = 4096;
 830     }
 831
 832   for (i=0; i<cnt; i++)
 833     {
 834       if (! (i & 15))
 835         printf("%02x:", i);
 836       printf(" %02x", get_conf_byte(d, i));
 837       if ((i & 15) == 15)
 838         putchar('\n');
 839     }
 840 }
 841
 842 static void
 843 print_shell_escaped(char *c)
 844 {
 845   printf(" \"");
 846   while (*c)
 847     {
 848       if (*c == '"' || *c == '\\')
 849         putchar('\\');
 850       putchar(*c++);
 851     }
 852   putchar('"');
 853 }
 854
 855 static void
 856 show_machine(struct device *d)
 857 {
 858   struct pci_dev *p = d->dev;
 859   int c;
 860   word sv_id, sd_id;
 861   char classbuf[128], vendbuf[128], devbuf[128], svbuf[128], sdbuf[128];
 862
 863   get_subid(d, &sv_id, &sd_id);
 864
 865   if (verbose)
 866     {
 867       pci_fill_info(p, PCI_FILL_PHYS_SLOT | PCI_FILL_NUMA_NODE);
 868       printf((opt_machine >= 2) ? "Slot:\t" : "Device:\t");
 869       show_slot_name(d);
 870       putchar('\n');
 871       printf("Class:\t%s\n",
 872              pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
 873       printf("Vendor:\t%s\n",
 874              pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
 875       printf("Device:\t%s\n",
 876              pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
 877       if (sv_id && sv_id != 0xffff)
 878         {
 879           printf("SVendor:\t%s\n",
 880                  pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, sv_id));
 881           printf("SDevice:\t%s\n",
 882                  pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, sv_id, sd_id));
 883         }
 884       if (p->phy_slot)
 885         printf("PhySlot:\t%s\n", p->phy_slot);
 886       if (c = get_conf_byte(d, PCI_REVISION_ID))
 887         printf("Rev:\t%02x\n", c);
 888       if (c = get_conf_byte(d, PCI_CLASS_PROG))
 889         printf("ProgIf:\t%02x\n", c);
 890       if (opt_kernel)
 891         show_kernel_machine(d);
 892       if (p->numa_node != -1)
 893         printf("NUMANode:\t%d\n", p->numa_node);
 894     }
 895   else
 896     {
 897       show_slot_name(d);
 898       print_shell_escaped(pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
 899       print_shell_escaped(pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
 900       print_shell_escaped(pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
 901       if (c = get_conf_byte(d, PCI_REVISION_ID))
 902         printf(" -r%02x", c);
 903       if (c = get_conf_byte(d, PCI_CLASS_PROG))
 904         printf(" -p%02x", c);
 905       if (sv_id && sv_id != 0xffff)
 906         {
 907           print_shell_escaped(pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, sv_id));
 908           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));
 909         }
 910       else
 911         printf(" \"\" \"\"");
 912       putchar('\n');
 913     }
 914 }
 915
 916 /*** Main show function ***/
 917
 918 void
 919 show_device(struct device *d)
 920 {
 921   if (opt_machine)
 922     show_machine(d);
 923   else
 924     {
 925       if (verbose)
 926         show_verbose(d);
 927       else
 928         show_terse(d);
 929       if (opt_kernel || verbose)
 930         show_kernel(d);
 931     }
 932   if (opt_hex)
 933     show_hex_dump(d);
 934   if (verbose || opt_hex)
 935     putchar('\n');
 936 }
 937
 938 static void
 939 show(void)
 940 {
 941   struct device *d;
 942
 943   for (d=first_dev; d; d=d->next)
 944     show_device(d);
 945 }
 946
 947 /* Main */
 948
 949 int
 950 main(int argc, char **argv)
 951 {
 952   int i;
 953   char *msg;
 954
 955   if (argc == 2 && !strcmp(argv[1], "--version"))
 956     {
 957       puts("lspci version " PCIUTILS_VERSION);
 958       return 0;
 959     }
 960
 961   pacc = pci_alloc();
 962   pacc->error = die;
 963   pci_filter_init(pacc, &filter);
 964
 965   while ((i = getopt(argc, argv, options)) != -1)
 966     switch (i)
 967       {
 968       case 'n':
 969         pacc->numeric_ids++;
 970         break;
 971       case 'v':
 972         verbose++;
 973         break;
 974       case 'b':
 975         pacc->buscentric = 1;
 976         break;
 977       case 's':
 978         if (msg = pci_filter_parse_slot(&filter, optarg))
 979           die("-s: %s", msg);
 980         break;
 981       case 'd':
 982         if (msg = pci_filter_parse_id(&filter, optarg))
 983           die("-d: %s", msg);
 984         break;
 985       case 'x':
 986         opt_hex++;
 987         break;
 988       case 't':
 989         opt_tree++;
 990         break;
 991       case 'i':
 992         pci_set_name_list_path(pacc, optarg, 0);
 993         break;
 994       case 'm':
 995         opt_machine++;
 996         break;
 997       case 'p':
 998         opt_pcimap = optarg;
 999         break;
1000 #ifdef PCI_OS_LINUX
1001       case 'k':
1002         opt_kernel++;
1003         break;
1004 #endif
1005       case 'M':
1006         opt_map_mode++;
1007         break;
1008       case 'D':
1009         opt_domains = 2;
1010         break;
1011 #ifdef PCI_USE_DNS
1012       case 'q':
1013         opt_query_dns++;
1014         break;
1015       case 'Q':
1016         opt_query_all = 1;
1017         break;
1018 #else
1019       case 'q':
1020       case 'Q':
1021         die("DNS queries are not available in this version");
1022 #endif
1023       default:
1024         if (parse_generic_option(i, pacc, optarg))
1025           break;
1026       bad:
1027         fprintf(stderr, help_msg, pacc->id_file_name);
1028         return 1;
1029       }
1030   if (optind < argc)
1031     goto bad;
1032
1033   if (opt_query_dns)
1034     {
1035       pacc->id_lookup_mode |= PCI_LOOKUP_NETWORK;
1036       if (opt_query_dns > 1)
1037         pacc->id_lookup_mode |= PCI_LOOKUP_REFRESH_CACHE;
1038     }
1039   if (opt_query_all)
1040     pacc->id_lookup_mode |= PCI_LOOKUP_NETWORK | PCI_LOOKUP_SKIP_LOCAL;
1041
1042   pci_init(pacc);
1043   if (opt_map_mode)
1044     map_the_bus();
1045   else
1046     {
1047       scan_devices();
1048       sort_them();
1049       if (opt_tree)
1050         show_forest();
1051       else
1052         show();
1053     }
1054   show_kernel_cleanup();
1055   pci_cleanup(pacc);
1056
1057   return (seen_errors ? 2 : 0);
1058 }