lspci.c

   1 /*
   2  *      The PCI Utilities -- List All PCI Devices
   3  *
   4  *      Copyright (c) 1997--2020 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_filter;                  /* Any filter was given */
  22 static int opt_tree;                    /* Show bus tree */
  23 static int opt_path;                    /* Show bridge path */
  24 static int opt_machine;                 /* Generate machine-readable output */
  25 static int opt_map_mode;                /* Bus mapping mode enabled */
  26 static int opt_domains;                 /* Show domain numbers (0=disabled, 1=auto-detected, 2=requested) */
  27 static int opt_kernel;                  /* Show kernel drivers */
  28 static int opt_query_dns;               /* Query the DNS (0=disabled, 1=enabled, 2=refresh cache) */
  29 static int opt_query_all;               /* Query the DNS for all entries */
  30 char *opt_pcimap;                       /* Override path to Linux modules.pcimap */
  31
  32 const char program_name[] = "lspci";
  33
  34 static char options[] = "nvbxs:d:tPi:mgp:qkMDQ" GENERIC_OPTIONS ;
  35
  36 static char help_msg[] =
  37 "Usage: lspci [<switches>]\n"
  38 "\n"
  39 "Basic display modes:\n"
  40 "-mm\t\tProduce machine-readable output (single -m for an obsolete format)\n"
  41 "-t\t\tShow bus tree\n"
  42 "\n"
  43 "Display options:\n"
  44 "-v\t\tBe verbose (-vv or -vvv for higher verbosity)\n"
  45 #ifdef PCI_OS_LINUX
  46 "-k\t\tShow kernel drivers handling each device\n"
  47 #endif
  48 "-x\t\tShow hex-dump of the standard part of the config space\n"
  49 "-xxx\t\tShow hex-dump of the whole config space (dangerous; root only)\n"
  50 "-xxxx\t\tShow hex-dump of the 4096-byte extended config space (root only)\n"
  51 "-b\t\tBus-centric view (addresses and IRQ's as seen by the bus)\n"
  52 "-D\t\tAlways show domain numbers\n"
  53 "-P\t\tDisplay bridge path in addition to bus and device number\n"
  54 "-PP\t\tDisplay bus path in addition to bus and device number\n"
  55 "\n"
  56 "Resolving of device ID's to names:\n"
  57 "-n\t\tShow numeric ID's\n"
  58 "-nn\t\tShow both textual and numeric ID's (names & numbers)\n"
  59 #ifdef PCI_USE_DNS
  60 "-q\t\tQuery the PCI ID database for unknown ID's via DNS\n"
  61 "-qq\t\tAs above, but re-query locally cached entries\n"
  62 "-Q\t\tQuery the PCI ID database for all ID's via DNS\n"
  63 #endif
  64 "\n"
  65 "Selection of devices:\n"
  66 "-s [[[[<domain>]:]<bus>]:][<slot>][.[<func>]]\tShow only devices in selected slots\n"
  67 "-d [<vendor>]:[<device>][:<class>]\t\tShow only devices with specified ID's\n"
  68 "\n"
  69 "Other options:\n"
  70 "-i <file>\tUse specified ID database instead of %s\n"
  71 #ifdef PCI_OS_LINUX
  72 "-p <file>\tLook up kernel modules in a given file instead of default modules.pcimap\n"
  73 #endif
  74 "-M\t\tEnable `bus mapping' mode (dangerous; root only)\n"
  75 "\n"
  76 "PCI access options:\n"
  77 GENERIC_HELP
  78 ;
  79
  80 /*** Our view of the PCI bus ***/
  81
  82 struct pci_access *pacc;
  83 struct device *first_dev;
  84 static int seen_errors;
  85 static int need_topology;
  86
  87 int
  88 config_fetch(struct device *d, unsigned int pos, unsigned int len)
  89 {
  90   unsigned int end = pos+len;
  91   int result;
  92
  93   while (pos < d->config_bufsize && len && d->present[pos])
  94     pos++, len--;
  95   while (pos+len <= d->config_bufsize && len && d->present[pos+len-1])
  96     len--;
  97   if (!len)
  98     return 1;
  99
 100   if (end > d->config_bufsize)
 101     {
 102       int orig_size = d->config_bufsize;
 103       while (end > d->config_bufsize)
 104         d->config_bufsize *= 2;
 105       d->config = xrealloc(d->config, d->config_bufsize);
 106       d->present = xrealloc(d->present, d->config_bufsize);
 107       memset(d->present + orig_size, 0, d->config_bufsize - orig_size);
 108     }
 109   result = pci_read_block(d->dev, pos, d->config + pos, len);
 110   if (result)
 111     memset(d->present + pos, 1, len);
 112   return result;
 113 }
 114
 115 struct device *
 116 scan_device(struct pci_dev *p)
 117 {
 118   struct device *d;
 119
 120   if (p->domain && !opt_domains)
 121     opt_domains = 1;
 122   if (!pci_filter_match(&filter, p) && !need_topology)
 123     return NULL;
 124   d = xmalloc(sizeof(struct device));
 125   memset(d, 0, sizeof(*d));
 126   d->dev = p;
 127   d->no_config_access = p->no_config_access;
 128   d->config_cached = d->config_bufsize = 64;
 129   d->config = xmalloc(64);
 130   d->present = xmalloc(64);
 131   memset(d->present, 1, 64);
 132   if (!d->no_config_access && !pci_read_block(p, 0, d->config, 64))
 133     {
 134       d->no_config_access = 1;
 135       d->config_cached = d->config_bufsize = 0;
 136       memset(d->present, 0, 64);
 137     }
 138   if (!d->no_config_access && (d->config[PCI_HEADER_TYPE] & 0x7f) == PCI_HEADER_TYPE_CARDBUS)
 139     {
 140       /* For cardbus bridges, we need to fetch 64 bytes more to get the
 141        * full standard header... */
 142       if (config_fetch(d, 64, 64))
 143         d->config_cached += 64;
 144     }
 145   pci_setup_cache(p, d->config, d->config_cached);
 146   pci_fill_info(p, PCI_FILL_IDENT | PCI_FILL_CLASS | PCI_FILL_CLASS_EXT | PCI_FILL_SUBSYS | (need_topology ? PCI_FILL_PARENT : 0));
 147   return d;
 148 }
 149
 150 static void
 151 scan_devices(void)
 152 {
 153   struct device *d;
 154   struct pci_dev *p;
 155
 156   pci_scan_bus(pacc);
 157   for (p=pacc->devices; p; p=p->next)
 158     if (d = scan_device(p))
 159       {
 160         d->next = first_dev;
 161         first_dev = d;
 162       }
 163 }
 164
 165 /*** Config space accesses ***/
 166
 167 static void
 168 check_conf_range(struct device *d, unsigned int pos, unsigned int len)
 169 {
 170   while (len)
 171     if (!d->present[pos])
 172       die("Internal bug: Accessing non-read configuration byte at position %x", pos);
 173     else
 174       pos++, len--;
 175 }
 176
 177 byte
 178 get_conf_byte(struct device *d, unsigned int pos)
 179 {
 180   check_conf_range(d, pos, 1);
 181   return d->config[pos];
 182 }
 183
 184 word
 185 get_conf_word(struct device *d, unsigned int pos)
 186 {
 187   check_conf_range(d, pos, 2);
 188   return d->config[pos] | (d->config[pos+1] << 8);
 189 }
 190
 191 u32
 192 get_conf_long(struct device *d, unsigned int pos)
 193 {
 194   check_conf_range(d, pos, 4);
 195   return d->config[pos] |
 196     (d->config[pos+1] << 8) |
 197     (d->config[pos+2] << 16) |
 198     (d->config[pos+3] << 24);
 199 }
 200
 201 /*** Sorting ***/
 202
 203 static int
 204 compare_them(const void *A, const void *B)
 205 {
 206   const struct pci_dev *a = (*(const struct device **)A)->dev;
 207   const struct pci_dev *b = (*(const struct device **)B)->dev;
 208
 209   if (a->domain < b->domain)
 210     return -1;
 211   if (a->domain > b->domain)
 212     return 1;
 213   if (a->bus < b->bus)
 214     return -1;
 215   if (a->bus > b->bus)
 216     return 1;
 217   if (a->dev < b->dev)
 218     return -1;
 219   if (a->dev > b->dev)
 220     return 1;
 221   if (a->func < b->func)
 222     return -1;
 223   if (a->func > b->func)
 224     return 1;
 225   return 0;
 226 }
 227
 228 static void
 229 sort_them(void)
 230 {
 231   struct device **index, **h, **last_dev;
 232   int cnt;
 233   struct device *d;
 234
 235   cnt = 0;
 236   for (d=first_dev; d; d=d->next)
 237     cnt++;
 238   h = index = alloca(sizeof(struct device *) * cnt);
 239   for (d=first_dev; d; d=d->next)
 240     *h++ = d;
 241   qsort(index, cnt, sizeof(struct device *), compare_them);
 242   last_dev = &first_dev;
 243   h = index;
 244   while (cnt--)
 245     {
 246       *last_dev = *h;
 247       last_dev = &(*h)->next;
 248       h++;
 249     }
 250   *last_dev = NULL;
 251 }
 252
 253 /*** Normal output ***/
 254
 255 static void
 256 show_slot_path(struct device *d)
 257 {
 258   struct pci_dev *p = d->dev;
 259
 260   if (opt_path)
 261     {
 262       struct bus *bus = d->parent_bus;
 263       struct bridge *br = bus->parent_bridge;
 264
 265       if (br && br->br_dev)
 266         {
 267           show_slot_path(br->br_dev);
 268           if (opt_path > 1)
 269             printf("/%02x:%02x.%d", p->bus, p->dev, p->func);
 270           else
 271             printf("/%02x.%d", p->dev, p->func);
 272           return;
 273         }
 274     }
 275   printf("%02x:%02x.%d", p->bus, p->dev, p->func);
 276 }
 277
 278 static void
 279 show_slot_name(struct device *d)
 280 {
 281   struct pci_dev *p = d->dev;
 282
 283   if (!opt_machine ? opt_domains : (p->domain || opt_domains >= 2))
 284     printf("%04x:", p->domain);
 285   show_slot_path(d);
 286 }
 287
 288 static void
 289 show_terse(struct device *d)
 290 {
 291   int c;
 292   struct pci_dev *p = d->dev;
 293   char classbuf[128], devbuf[128];
 294
 295   show_slot_name(d);
 296   printf(" %s: %s",
 297          pci_lookup_name(pacc, classbuf, sizeof(classbuf),
 298                          PCI_LOOKUP_CLASS,
 299                          p->device_class),
 300          pci_lookup_name(pacc, devbuf, sizeof(devbuf),
 301                          PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
 302                          p->vendor_id, p->device_id));
 303   if ((p->known_fields & PCI_FILL_CLASS_EXT) && p->rev_id)
 304     printf(" (rev %02x)", p->rev_id);
 305   if (verbose)
 306     {
 307       char *x;
 308       c = (p->known_fields & PCI_FILL_CLASS_EXT) ? p->prog_if : 0;
 309       x = pci_lookup_name(pacc, devbuf, sizeof(devbuf),
 310                           PCI_LOOKUP_PROGIF | PCI_LOOKUP_NO_NUMBERS,
 311                           p->device_class, c);
 312       if (c || x)
 313         {
 314           printf(" (prog-if %02x", c);
 315           if (x)
 316             printf(" [%s]", x);
 317           putchar(')');
 318         }
 319     }
 320   putchar('\n');
 321
 322   if (verbose || opt_kernel)
 323     {
 324       char ssnamebuf[256];
 325
 326       pci_fill_info(p, PCI_FILL_LABEL);
 327
 328       if (p->label)
 329         printf("\tDeviceName: %s", p->label);
 330       if ((p->known_fields & PCI_FILL_SUBSYS) &&
 331           p->subsys_vendor_id && p->subsys_vendor_id != 0xffff)
 332         printf("\tSubsystem: %s\n",
 333                 pci_lookup_name(pacc, ssnamebuf, sizeof(ssnamebuf),
 334                         PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
 335                         p->vendor_id, p->device_id, p->subsys_vendor_id, p->subsys_id));
 336     }
 337 }
 338
 339 /*** Verbose output ***/
 340
 341 static void
 342 show_size(u64 x)
 343 {
 344   static const char suffix[][2] = { "", "K", "M", "G", "T" };
 345   unsigned i;
 346   if (!x)
 347     return;
 348   for (i = 0; i < (sizeof(suffix) / sizeof(*suffix) - 1); i++) {
 349     if (x % 1024)
 350       break;
 351     x /= 1024;
 352   }
 353   printf(" [size=%u%s]", (unsigned)x, suffix[i]);
 354 }
 355
 356 static void
 357 show_range(const char *prefix, u64 base, u64 limit, int bits, int disabled)
 358 {
 359   printf("%s:", prefix);
 360   if (base <= limit || verbose > 2)
 361     printf(" %0*" PCI_U64_FMT_X "-%0*" PCI_U64_FMT_X, (bits+3)/4, base, (bits+3)/4, limit);
 362   if (!disabled && base <= limit)
 363     show_size(limit - base + 1);
 364   else
 365     printf(" [disabled]");
 366   if (bits)
 367     printf(" [%d-bit]", bits);
 368   putchar('\n');
 369 }
 370
 371 static u32
 372 ioflg_to_pciflg(pciaddr_t ioflg)
 373 {
 374   u32 flg;
 375
 376   if (ioflg & PCI_IORESOURCE_IO)
 377     flg = PCI_BASE_ADDRESS_SPACE_IO;
 378   else if (!(ioflg & PCI_IORESOURCE_MEM))
 379     flg = 0;
 380   else
 381     {
 382       flg = PCI_BASE_ADDRESS_SPACE_MEMORY;
 383       if (ioflg & PCI_IORESOURCE_MEM_64)
 384         flg |= PCI_BASE_ADDRESS_MEM_TYPE_64;
 385       else
 386         flg |= PCI_BASE_ADDRESS_MEM_TYPE_32;
 387       if (ioflg & PCI_IORESOURCE_PREFETCH)
 388         flg |= PCI_BASE_ADDRESS_MEM_PREFETCH;
 389     }
 390
 391   return flg;
 392 }
 393
 394 static void
 395 show_bases(struct device *d, int cnt, int without_config_data)
 396 {
 397   struct pci_dev *p = d->dev;
 398   word cmd = without_config_data ? (PCI_COMMAND_IO | PCI_COMMAND_MEMORY) : get_conf_word(d, PCI_COMMAND);
 399   int i;
 400   int virtual = 0;
 401
 402   for (i=0; i<cnt; i++)
 403     {
 404       pciaddr_t pos = p->base_addr[i];
 405       pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->size[i] : 0;
 406       pciaddr_t ioflg = (p->known_fields & PCI_FILL_IO_FLAGS) ? p->flags[i] : 0;
 407       u32 flg = without_config_data ? ioflg_to_pciflg(ioflg) : get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
 408       u32 hw_lower;
 409       u32 hw_upper = 0;
 410       int broken = 0;
 411
 412       if (flg == 0xffffffff)
 413         flg = 0;
 414       if (!pos && !flg && !len)
 415         continue;
 416
 417       if (verbose > 1)
 418         printf("\tRegion %d: ", i);
 419       else
 420         putchar('\t');
 421
 422       /* Read address as seen by the hardware */
 423       if (flg & PCI_BASE_ADDRESS_SPACE_IO)
 424         hw_lower = flg & PCI_BASE_ADDRESS_IO_MASK;
 425       else
 426         {
 427           hw_lower = flg & PCI_BASE_ADDRESS_MEM_MASK;
 428           if ((flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK) == PCI_BASE_ADDRESS_MEM_TYPE_64)
 429             {
 430               if (i >= cnt - 1)
 431                 broken = 1;
 432               else
 433                 {
 434                   i++;
 435                   if (!without_config_data)
 436                   hw_upper = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
 437                 }
 438             }
 439         }
 440
 441       /* Detect virtual regions, which are reported by the OS, but unassigned in the device */
 442       if (!without_config_data && pos && !hw_lower && !hw_upper && !(ioflg & PCI_IORESOURCE_PCI_EA_BEI))
 443         {
 444           flg = pos;
 445           virtual = 1;
 446         }
 447
 448       /* Print base address */
 449       if (flg & PCI_BASE_ADDRESS_SPACE_IO)
 450         {
 451           pciaddr_t a = pos & PCI_BASE_ADDRESS_IO_MASK;
 452           printf("I/O ports at ");
 453           if (a || (cmd & PCI_COMMAND_IO))
 454             printf(PCIADDR_PORT_FMT, a);
 455           else if (hw_lower)
 456             printf("<ignored>");
 457           else
 458             printf("<unassigned>");
 459           if (virtual)
 460             printf(" [virtual]");
 461           else if (!(cmd & PCI_COMMAND_IO))
 462             printf(" [disabled]");
 463         }
 464       else
 465         {
 466           int t = flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK;
 467           pciaddr_t a = pos & PCI_ADDR_MEM_MASK;
 468
 469           printf("Memory at ");
 470           if (broken)
 471             printf("<broken-64-bit-slot>");
 472           else if (a)
 473             printf(PCIADDR_T_FMT, a);
 474           else if (hw_lower || hw_upper)
 475             printf("<ignored>");
 476           else
 477             printf("<unassigned>");
 478           printf(" (%s, %sprefetchable)",
 479                  (t == PCI_BASE_ADDRESS_MEM_TYPE_32) ? "32-bit" :
 480                  (t == PCI_BASE_ADDRESS_MEM_TYPE_64) ? "64-bit" :
 481                  (t == PCI_BASE_ADDRESS_MEM_TYPE_1M) ? "low-1M" : "type 3",
 482                  (flg & PCI_BASE_ADDRESS_MEM_PREFETCH) ? "" : "non-");
 483           if (virtual)
 484             printf(" [virtual]");
 485           else if (!(cmd & PCI_COMMAND_MEMORY))
 486             printf(" [disabled]");
 487         }
 488
 489       if (ioflg & PCI_IORESOURCE_PCI_EA_BEI)
 490         printf(" [enhanced]");
 491
 492       show_size(len);
 493       putchar('\n');
 494     }
 495 }
 496
 497 static void
 498 show_rom(struct device *d, int reg)
 499 {
 500   struct pci_dev *p = d->dev;
 501   pciaddr_t rom = p->rom_base_addr;
 502   pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->rom_size : 0;
 503   pciaddr_t ioflg = (p->known_fields & PCI_FILL_IO_FLAGS) ? p->rom_flags : 0;
 504   u32 flg = reg >= 0 ? get_conf_long(d, reg) : ioflg_to_pciflg(ioflg);
 505   word cmd = reg >= 0 ? get_conf_word(d, PCI_COMMAND) : PCI_COMMAND_MEMORY;
 506   int virtual = 0;
 507
 508   if (!rom && !flg && !len)
 509     return;
 510
 511   if (reg >= 0 && (rom & PCI_ROM_ADDRESS_MASK) && !(flg & PCI_ROM_ADDRESS_MASK) && !(ioflg & PCI_IORESOURCE_PCI_EA_BEI))
 512     {
 513       flg = rom;
 514       virtual = 1;
 515     }
 516
 517   printf("\tExpansion ROM at ");
 518   if (rom & PCI_ROM_ADDRESS_MASK)
 519     printf(PCIADDR_T_FMT, rom & PCI_ROM_ADDRESS_MASK);
 520   else if (flg & PCI_ROM_ADDRESS_MASK)
 521     printf("<ignored>");
 522   else
 523     printf("<unassigned>");
 524
 525   if (virtual)
 526     printf(" [virtual]");
 527
 528   if (!(flg & PCI_ROM_ADDRESS_ENABLE))
 529     printf(" [disabled]");
 530   else if (!virtual && !(cmd & PCI_COMMAND_MEMORY))
 531     printf(" [disabled by cmd]");
 532
 533   if (ioflg & PCI_IORESOURCE_PCI_EA_BEI)
 534       printf(" [enhanced]");
 535
 536   show_size(len);
 537   putchar('\n');
 538 }
 539
 540 static void
 541 show_htype0(struct device *d)
 542 {
 543   show_bases(d, 6, 0);
 544   show_rom(d, PCI_ROM_ADDRESS);
 545   show_caps(d, PCI_CAPABILITY_LIST);
 546 }
 547
 548 static void
 549 show_htype1(struct device *d)
 550 {
 551   struct pci_dev *p = d->dev;
 552   u32 io_base = get_conf_byte(d, PCI_IO_BASE);
 553   u32 io_limit = get_conf_byte(d, PCI_IO_LIMIT);
 554   u32 io_type = io_base & PCI_IO_RANGE_TYPE_MASK;
 555   u32 mem_base = get_conf_word(d, PCI_MEMORY_BASE);
 556   u32 mem_limit = get_conf_word(d, PCI_MEMORY_LIMIT);
 557   u32 mem_type = mem_base & PCI_MEMORY_RANGE_TYPE_MASK;
 558   u32 pref_base = get_conf_word(d, PCI_PREF_MEMORY_BASE);
 559   u32 pref_limit = get_conf_word(d, PCI_PREF_MEMORY_LIMIT);
 560   u32 pref_type = pref_base & PCI_PREF_RANGE_TYPE_MASK;
 561   word sec_stat = get_conf_word(d, PCI_SEC_STATUS);
 562   word brc = get_conf_word(d, PCI_BRIDGE_CONTROL);
 563   int io_disabled = (p->known_fields & PCI_FILL_BRIDGE_BASES) && !p->bridge_size[0];
 564   int mem_disabled = (p->known_fields & PCI_FILL_BRIDGE_BASES) && !p->bridge_size[1];
 565   int pref_disabled = (p->known_fields & PCI_FILL_BRIDGE_BASES) && !p->bridge_size[2];
 566   int io_bits, pref_bits;
 567
 568   show_bases(d, 2, 0);
 569   printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
 570          get_conf_byte(d, PCI_PRIMARY_BUS),
 571          get_conf_byte(d, PCI_SECONDARY_BUS),
 572          get_conf_byte(d, PCI_SUBORDINATE_BUS),
 573          get_conf_byte(d, PCI_SEC_LATENCY_TIMER));
 574
 575   if ((p->known_fields & PCI_FILL_BRIDGE_BASES) && !io_disabled)
 576     {
 577       io_base = p->bridge_base_addr[0] & PCI_IO_RANGE_MASK;
 578       io_limit = io_base + p->bridge_size[0] - 1;
 579       io_type = p->bridge_base_addr[0] & PCI_IO_RANGE_TYPE_MASK;
 580       io_bits = (io_type == PCI_IO_RANGE_TYPE_32) ? 32 : 16;
 581       show_range("\tI/O behind bridge", io_base, io_limit, io_bits, io_disabled);
 582     }
 583   else if (io_type != (io_limit & PCI_IO_RANGE_TYPE_MASK) ||
 584       (io_type != PCI_IO_RANGE_TYPE_16 && io_type != PCI_IO_RANGE_TYPE_32))
 585     printf("\t!!! Unknown I/O range types %x/%x\n", io_base, io_limit);
 586   else
 587     {
 588       io_base = (io_base & PCI_IO_RANGE_MASK) << 8;
 589       io_limit = (io_limit & PCI_IO_RANGE_MASK) << 8;
 590       if (io_type == PCI_IO_RANGE_TYPE_32)
 591         {
 592           io_base |= (get_conf_word(d, PCI_IO_BASE_UPPER16) << 16);
 593           io_limit |= (get_conf_word(d, PCI_IO_LIMIT_UPPER16) << 16);
 594         }
 595       /* I/O is unsupported if both base and limit are zeros and resource is disabled */
 596       if (!(io_base == 0x0 && io_limit == 0x0 && io_disabled))
 597         {
 598           io_limit += 0xfff;
 599           io_bits = (io_type == PCI_IO_RANGE_TYPE_32) ? 32 : 16;
 600           show_range("\tI/O behind bridge", io_base, io_limit, io_bits, io_disabled);
 601         }
 602     }
 603
 604   if ((p->known_fields & PCI_FILL_BRIDGE_BASES) && !mem_disabled)
 605     {
 606       mem_base = p->bridge_base_addr[1] & PCI_MEMORY_RANGE_MASK;
 607       mem_limit = mem_base + p->bridge_size[1] - 1;
 608       show_range("\tMemory behind bridge", mem_base, mem_limit, 32, mem_disabled);
 609     }
 610   else if (mem_type != (mem_limit & PCI_MEMORY_RANGE_TYPE_MASK) ||
 611       mem_type)
 612     printf("\t!!! Unknown memory range types %x/%x\n", mem_base, mem_limit);
 613   else
 614     {
 615       mem_base = (mem_base & PCI_MEMORY_RANGE_MASK) << 16;
 616       mem_limit = (mem_limit & PCI_MEMORY_RANGE_MASK) << 16;
 617       show_range("\tMemory behind bridge", mem_base, mem_limit + 0xfffff, 32, mem_disabled);
 618     }
 619
 620   if ((p->known_fields & PCI_FILL_BRIDGE_BASES) && !pref_disabled)
 621     {
 622       u64 pref_base_64 = p->bridge_base_addr[2] & PCI_MEMORY_RANGE_MASK;
 623       u64 pref_limit_64 = pref_base_64 + p->bridge_size[2] - 1;
 624       pref_type = p->bridge_base_addr[2] & PCI_MEMORY_RANGE_TYPE_MASK;
 625       pref_bits = (pref_type == PCI_PREF_RANGE_TYPE_64) ? 64 : 32;
 626       show_range("\tPrefetchable memory behind bridge", pref_base_64, pref_limit_64, pref_bits, pref_disabled);
 627     }
 628   else if (pref_type != (pref_limit & PCI_PREF_RANGE_TYPE_MASK) ||
 629       (pref_type != PCI_PREF_RANGE_TYPE_32 && pref_type != PCI_PREF_RANGE_TYPE_64))
 630     printf("\t!!! Unknown prefetchable memory range types %x/%x\n", pref_base, pref_limit);
 631   else
 632     {
 633       u64 pref_base_64 = (pref_base & PCI_PREF_RANGE_MASK) << 16;
 634       u64 pref_limit_64 = (pref_limit & PCI_PREF_RANGE_MASK) << 16;
 635       if (pref_type == PCI_PREF_RANGE_TYPE_64)
 636         {
 637           pref_base_64 |= (u64) get_conf_long(d, PCI_PREF_BASE_UPPER32) << 32;
 638           pref_limit_64 |= (u64) get_conf_long(d, PCI_PREF_LIMIT_UPPER32) << 32;
 639         }
 640       /* Prefetchable memory is unsupported if both base and limit are zeros and resource is disabled */
 641       if (!(pref_base_64 == 0x0 && pref_limit_64 == 0x0 && pref_disabled))
 642         {
 643           pref_limit_64 += 0xfffff;
 644           pref_bits = (pref_type == PCI_PREF_RANGE_TYPE_64) ? 64 : 32;
 645           show_range("\tPrefetchable memory behind bridge", pref_base_64, pref_limit_64, pref_bits, pref_disabled);
 646         }
 647     }
 648
 649   if (verbose > 1)
 650     printf("\tSecondary status: 66MHz%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c <SERR%c <PERR%c\n",
 651              FLAG(sec_stat, PCI_STATUS_66MHZ),
 652              FLAG(sec_stat, PCI_STATUS_FAST_BACK),
 653              FLAG(sec_stat, PCI_STATUS_PARITY),
 654              ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
 655              ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
 656              ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
 657              FLAG(sec_stat, PCI_STATUS_SIG_TARGET_ABORT),
 658              FLAG(sec_stat, PCI_STATUS_REC_TARGET_ABORT),
 659              FLAG(sec_stat, PCI_STATUS_REC_MASTER_ABORT),
 660              FLAG(sec_stat, PCI_STATUS_SIG_SYSTEM_ERROR),
 661              FLAG(sec_stat, PCI_STATUS_DETECTED_PARITY));
 662
 663   show_rom(d, PCI_ROM_ADDRESS1);
 664
 665   if (verbose > 1)
 666     {
 667       printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c VGA16%c MAbort%c >Reset%c FastB2B%c\n",
 668         FLAG(brc, PCI_BRIDGE_CTL_PARITY),
 669         FLAG(brc, PCI_BRIDGE_CTL_SERR),
 670         FLAG(brc, PCI_BRIDGE_CTL_NO_ISA),
 671         FLAG(brc, PCI_BRIDGE_CTL_VGA),
 672         FLAG(brc, PCI_BRIDGE_CTL_VGA_16BIT),
 673         FLAG(brc, PCI_BRIDGE_CTL_MASTER_ABORT),
 674         FLAG(brc, PCI_BRIDGE_CTL_BUS_RESET),
 675         FLAG(brc, PCI_BRIDGE_CTL_FAST_BACK));
 676       printf("\t\tPriDiscTmr%c SecDiscTmr%c DiscTmrStat%c DiscTmrSERREn%c\n",
 677         FLAG(brc, PCI_BRIDGE_CTL_PRI_DISCARD_TIMER),
 678         FLAG(brc, PCI_BRIDGE_CTL_SEC_DISCARD_TIMER),
 679         FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_STATUS),
 680         FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN));
 681     }
 682
 683   show_caps(d, PCI_CAPABILITY_LIST);
 684 }
 685
 686 static void
 687 show_htype2(struct device *d)
 688 {
 689   int i;
 690   word cmd = get_conf_word(d, PCI_COMMAND);
 691   word brc = get_conf_word(d, PCI_CB_BRIDGE_CONTROL);
 692   word exca;
 693   int verb = verbose > 2;
 694
 695   show_bases(d, 1, 0);
 696   printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
 697          get_conf_byte(d, PCI_CB_PRIMARY_BUS),
 698          get_conf_byte(d, PCI_CB_CARD_BUS),
 699          get_conf_byte(d, PCI_CB_SUBORDINATE_BUS),
 700          get_conf_byte(d, PCI_CB_LATENCY_TIMER));
 701   for (i=0; i<2; i++)
 702     {
 703       int p = 8*i;
 704       u32 base = get_conf_long(d, PCI_CB_MEMORY_BASE_0 + p);
 705       u32 limit = get_conf_long(d, PCI_CB_MEMORY_LIMIT_0 + p);
 706       limit = limit + 0xfff;
 707       if (base <= limit || verb)
 708         printf("\tMemory window %d: %08x-%08x%s%s\n", i, base, limit,
 709                (cmd & PCI_COMMAND_MEMORY) ? "" : " [disabled]",
 710                (brc & (PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 << i)) ? " (prefetchable)" : "");
 711     }
 712   for (i=0; i<2; i++)
 713     {
 714       int p = 8*i;
 715       u32 base = get_conf_long(d, PCI_CB_IO_BASE_0 + p);
 716       u32 limit = get_conf_long(d, PCI_CB_IO_LIMIT_0 + p);
 717       if (!(base & PCI_IO_RANGE_TYPE_32))
 718         {
 719           base &= 0xffff;
 720           limit &= 0xffff;
 721         }
 722       base &= PCI_CB_IO_RANGE_MASK;
 723       limit = (limit & PCI_CB_IO_RANGE_MASK) + 3;
 724       if (base <= limit || verb)
 725         printf("\tI/O window %d: %08x-%08x%s\n", i, base, limit,
 726                (cmd & PCI_COMMAND_IO) ? "" : " [disabled]");
 727     }
 728
 729   if (get_conf_word(d, PCI_CB_SEC_STATUS) & PCI_STATUS_SIG_SYSTEM_ERROR)
 730     printf("\tSecondary status: SERR\n");
 731   if (verbose > 1)
 732     printf("\tBridgeCtl: Parity%c SERR%c ISA%c VGA%c MAbort%c >Reset%c 16bInt%c PostWrite%c\n",
 733            FLAG(brc, PCI_CB_BRIDGE_CTL_PARITY),
 734            FLAG(brc, PCI_CB_BRIDGE_CTL_SERR),
 735            FLAG(brc, PCI_CB_BRIDGE_CTL_ISA),
 736            FLAG(brc, PCI_CB_BRIDGE_CTL_VGA),
 737            FLAG(brc, PCI_CB_BRIDGE_CTL_MASTER_ABORT),
 738            FLAG(brc, PCI_CB_BRIDGE_CTL_CB_RESET),
 739            FLAG(brc, PCI_CB_BRIDGE_CTL_16BIT_INT),
 740            FLAG(brc, PCI_CB_BRIDGE_CTL_POST_WRITES));
 741
 742   if (d->config_cached < 128)
 743     {
 744       printf("\t<access denied to the rest>\n");
 745       return;
 746     }
 747
 748   exca = get_conf_word(d, PCI_CB_LEGACY_MODE_BASE);
 749   if (exca)
 750     printf("\t16-bit legacy interface ports at %04x\n", exca);
 751   show_caps(d, PCI_CB_CAPABILITY_LIST);
 752 }
 753
 754 static void
 755 show_htype_unknown(struct device *d)
 756 {
 757   struct pci_dev *p = d->dev;
 758   u64 base, limit, flags;
 759   const char *str;
 760   int i, bits;
 761
 762   if (pacc->buscentric)
 763     return;
 764
 765   show_bases(d, 6, 1);
 766   for (i = 0; i < 4; i++)
 767     {
 768       if (!p->bridge_base_addr[i])
 769         continue;
 770       base = p->bridge_base_addr[i];
 771       limit = base + p->bridge_size[i] - 1;
 772       flags = p->bridge_flags[i];
 773       if (flags & PCI_IORESOURCE_IO)
 774         {
 775           bits = (flags & PCI_IORESOURCE_IO_16BIT_ADDR) ? 16 : 32;
 776           str = "\tI/O behind bridge";
 777         }
 778       else if (flags & PCI_IORESOURCE_MEM)
 779         {
 780           bits = (flags & PCI_IORESOURCE_MEM_64) ? 64 : 32;
 781           if (flags & PCI_IORESOURCE_PREFETCH)
 782             str = "\tPrefetchable memory behind bridge";
 783           else
 784             str = "\tMemory behind bridge";
 785         }
 786       else
 787         {
 788           bits = 0;
 789           str = "\tUnknown resource behind bridge";
 790         }
 791       show_range(str, base, limit, bits, 0);
 792     }
 793   show_rom(d, -1);
 794 }
 795
 796 static void
 797 show_verbose(struct device *d)
 798 {
 799   struct pci_dev *p = d->dev;
 800   int unknown_config_data = 0;
 801   word class = p->device_class;
 802   byte htype = d->no_config_access ? -1 : (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f);
 803   byte bist;
 804   byte max_lat, min_gnt;
 805   char *dt_node, *iommu_group;
 806
 807   show_terse(d);
 808
 809   pci_fill_info(p, PCI_FILL_IRQ | PCI_FILL_BASES | PCI_FILL_ROM_BASE | PCI_FILL_SIZES |
 810     PCI_FILL_PHYS_SLOT | PCI_FILL_NUMA_NODE | PCI_FILL_DT_NODE | PCI_FILL_IOMMU_GROUP |
 811     PCI_FILL_BRIDGE_BASES | PCI_FILL_CLASS_EXT | PCI_FILL_SUBSYS);
 812
 813   switch (htype)
 814     {
 815     case PCI_HEADER_TYPE_NORMAL:
 816       if (class == PCI_CLASS_BRIDGE_PCI)
 817         printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
 818       bist = get_conf_byte(d, PCI_BIST);
 819       max_lat = get_conf_byte(d, PCI_MAX_LAT);
 820       min_gnt = get_conf_byte(d, PCI_MIN_GNT);
 821       break;
 822     case PCI_HEADER_TYPE_BRIDGE:
 823       if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
 824         printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
 825       bist = get_conf_byte(d, PCI_BIST);
 826       min_gnt = max_lat = 0;
 827       break;
 828     case PCI_HEADER_TYPE_CARDBUS:
 829       if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
 830         printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
 831       bist = get_conf_byte(d, PCI_BIST);
 832       min_gnt = max_lat = 0;
 833       break;
 834     default:
 835       if (!d->no_config_access)
 836       printf("\t!!! Unknown header type %02x\n", htype);
 837       bist = 0;
 838       min_gnt = max_lat = 0;
 839       unknown_config_data = 1;
 840     }
 841
 842   if (p->phy_slot)
 843     printf("\tPhysical Slot: %s\n", p->phy_slot);
 844
 845   if (dt_node = pci_get_string_property(p, PCI_FILL_DT_NODE))
 846     printf("\tDevice tree node: %s\n", dt_node);
 847
 848   if (!unknown_config_data && verbose > 1)
 849     {
 850       word cmd = get_conf_word(d, PCI_COMMAND);
 851       word status = get_conf_word(d, PCI_STATUS);
 852       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",
 853              FLAG(cmd, PCI_COMMAND_IO),
 854              FLAG(cmd, PCI_COMMAND_MEMORY),
 855              FLAG(cmd, PCI_COMMAND_MASTER),
 856              FLAG(cmd, PCI_COMMAND_SPECIAL),
 857              FLAG(cmd, PCI_COMMAND_INVALIDATE),
 858              FLAG(cmd, PCI_COMMAND_VGA_PALETTE),
 859              FLAG(cmd, PCI_COMMAND_PARITY),
 860              FLAG(cmd, PCI_COMMAND_WAIT),
 861              FLAG(cmd, PCI_COMMAND_SERR),
 862              FLAG(cmd, PCI_COMMAND_FAST_BACK),
 863              FLAG(cmd, PCI_COMMAND_DISABLE_INTx));
 864       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",
 865              FLAG(status, PCI_STATUS_CAP_LIST),
 866              FLAG(status, PCI_STATUS_66MHZ),
 867              FLAG(status, PCI_STATUS_UDF),
 868              FLAG(status, PCI_STATUS_FAST_BACK),
 869              FLAG(status, PCI_STATUS_PARITY),
 870              ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
 871              ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
 872              ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
 873              FLAG(status, PCI_STATUS_SIG_TARGET_ABORT),
 874              FLAG(status, PCI_STATUS_REC_TARGET_ABORT),
 875              FLAG(status, PCI_STATUS_REC_MASTER_ABORT),
 876              FLAG(status, PCI_STATUS_SIG_SYSTEM_ERROR),
 877              FLAG(status, PCI_STATUS_DETECTED_PARITY),
 878              FLAG(status, PCI_STATUS_INTx));
 879       if (cmd & PCI_COMMAND_MASTER)
 880         {
 881           byte latency = get_conf_byte(d, PCI_LATENCY_TIMER);
 882           byte cache_line = get_conf_byte(d, PCI_CACHE_LINE_SIZE);
 883           printf("\tLatency: %d", latency);
 884           if (min_gnt || max_lat)
 885             {
 886               printf(" (");
 887               if (min_gnt)
 888                 printf("%dns min", min_gnt*250);
 889               if (min_gnt && max_lat)
 890                 printf(", ");
 891               if (max_lat)
 892                 printf("%dns max", max_lat*250);
 893               putchar(')');
 894             }
 895           if (cache_line)
 896             printf(", Cache Line Size: %d bytes", cache_line * 4);
 897           putchar('\n');
 898         }
 899     }
 900
 901   if (verbose > 1)
 902     {
 903       byte int_pin = unknown_config_data ? 0 : get_conf_byte(d, PCI_INTERRUPT_PIN);
 904       if (int_pin || p->irq)
 905         printf("\tInterrupt: pin %c routed to IRQ " PCIIRQ_FMT "\n",
 906                (int_pin ? 'A' + int_pin - 1 : '?'), p->irq);
 907       if (p->numa_node != -1)
 908         printf("\tNUMA node: %d\n", p->numa_node);
 909       if (iommu_group = pci_get_string_property(p, PCI_FILL_IOMMU_GROUP))
 910         printf("\tIOMMU group: %s\n", iommu_group);
 911     }
 912
 913   if (!unknown_config_data && verbose <= 1)
 914     {
 915       word cmd = get_conf_word(d, PCI_COMMAND);
 916       word status = get_conf_word(d, PCI_STATUS);
 917       byte latency = get_conf_byte(d, PCI_LATENCY_TIMER);
 918       printf("\tFlags: ");
 919       if (cmd & PCI_COMMAND_MASTER)
 920         printf("bus master, ");
 921       if (cmd & PCI_COMMAND_VGA_PALETTE)
 922         printf("VGA palette snoop, ");
 923       if (cmd & PCI_COMMAND_WAIT)
 924         printf("stepping, ");
 925       if (cmd & PCI_COMMAND_FAST_BACK)
 926         printf("fast Back2Back, ");
 927       if (status & PCI_STATUS_66MHZ)
 928         printf("66MHz, ");
 929       if (status & PCI_STATUS_UDF)
 930         printf("user-definable features, ");
 931       printf("%s devsel",
 932              ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
 933              ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
 934              ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??");
 935       if (cmd & PCI_COMMAND_MASTER)
 936         printf(", latency %d", latency);
 937       if (p->irq)
 938         printf(", IRQ " PCIIRQ_FMT, p->irq);
 939       if (p->numa_node != -1)
 940         printf(", NUMA node %d", p->numa_node);
 941       if (iommu_group = pci_get_string_property(p, PCI_FILL_IOMMU_GROUP))
 942         printf(", IOMMU group %s", iommu_group);
 943       putchar('\n');
 944     }
 945
 946   if (bist & PCI_BIST_CAPABLE)
 947     {
 948       if (bist & PCI_BIST_START)
 949         printf("\tBIST is running\n");
 950       else
 951         printf("\tBIST result: %02x\n", bist & PCI_BIST_CODE_MASK);
 952     }
 953
 954   switch (htype)
 955     {
 956     case PCI_HEADER_TYPE_NORMAL:
 957       show_htype0(d);
 958       break;
 959     case PCI_HEADER_TYPE_BRIDGE:
 960       show_htype1(d);
 961       break;
 962     case PCI_HEADER_TYPE_CARDBUS:
 963       show_htype2(d);
 964       break;
 965     default:
 966       show_htype_unknown(d);
 967     }
 968 }
 969
 970 /*** Machine-readable dumps ***/
 971
 972 static void
 973 show_hex_dump(struct device *d)
 974 {
 975   unsigned int i, cnt;
 976
 977   if (d->no_config_access)
 978     {
 979       printf("WARNING: Cannot show hex-dump of the config space\n");
 980       return;
 981     }
 982
 983   cnt = d->config_cached;
 984   if (opt_hex >= 3 && config_fetch(d, cnt, 256-cnt))
 985     {
 986       cnt = 256;
 987       if (opt_hex >= 4 && config_fetch(d, 256, 4096-256))
 988         cnt = 4096;
 989     }
 990
 991   for (i=0; i<cnt; i++)
 992     {
 993       if (! (i & 15))
 994         printf("%02x:", i);
 995       printf(" %02x", get_conf_byte(d, i));
 996       if ((i & 15) == 15)
 997         putchar('\n');
 998     }
 999 }
1000
1001 static void
1002 print_shell_escaped(char *c)
1003 {
1004   printf(" \"");
1005   while (*c)
1006     {
1007       if (*c == '"' || *c == '\\')
1008         putchar('\\');
1009       putchar(*c++);
1010     }
1011   putchar('"');
1012 }
1013
1014 static void
1015 show_machine(struct device *d)
1016 {
1017   struct pci_dev *p = d->dev;
1018   char classbuf[128], vendbuf[128], devbuf[128], svbuf[128], sdbuf[128];
1019   char *dt_node, *iommu_group;
1020
1021   if (verbose)
1022     {
1023       pci_fill_info(p, PCI_FILL_PHYS_SLOT | PCI_FILL_NUMA_NODE | PCI_FILL_DT_NODE | PCI_FILL_IOMMU_GROUP);
1024       printf((opt_machine >= 2) ? "Slot:\t" : "Device:\t");
1025       show_slot_name(d);
1026       putchar('\n');
1027       printf("Class:\t%s\n",
1028              pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
1029       printf("Vendor:\t%s\n",
1030              pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
1031       printf("Device:\t%s\n",
1032              pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
1033       if ((p->known_fields & PCI_FILL_SUBSYS) &&
1034           p->subsys_vendor_id && p->subsys_vendor_id != 0xffff)
1035         {
1036           printf("SVendor:\t%s\n",
1037                  pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, p->subsys_vendor_id));
1038           printf("SDevice:\t%s\n",
1039                  pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, p->subsys_vendor_id, p->subsys_id));
1040         }
1041       if (p->phy_slot)
1042         printf("PhySlot:\t%s\n", p->phy_slot);
1043       if ((p->known_fields & PCI_FILL_CLASS_EXT) && p->rev_id)
1044         printf("Rev:\t%02x\n", p->rev_id);
1045       if (p->known_fields & PCI_FILL_CLASS_EXT)
1046         printf("ProgIf:\t%02x\n", p->prog_if);
1047       if (opt_kernel)
1048         show_kernel_machine(d);
1049       if (p->numa_node != -1)
1050         printf("NUMANode:\t%d\n", p->numa_node);
1051       if (dt_node = pci_get_string_property(p, PCI_FILL_DT_NODE))
1052         printf("DTNode:\t%s\n", dt_node);
1053       if (iommu_group = pci_get_string_property(p, PCI_FILL_IOMMU_GROUP))
1054         printf("IOMMUGroup:\t%s\n", iommu_group);
1055     }
1056   else
1057     {
1058       show_slot_name(d);
1059       print_shell_escaped(pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
1060       print_shell_escaped(pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
1061       print_shell_escaped(pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
1062       if ((p->known_fields & PCI_FILL_CLASS_EXT) && p->rev_id)
1063         printf(" -r%02x", p->rev_id);
1064       if (p->known_fields & PCI_FILL_CLASS_EXT)
1065         printf(" -p%02x", p->prog_if);
1066       if ((p->known_fields & PCI_FILL_SUBSYS) &&
1067           p->subsys_vendor_id && p->subsys_vendor_id != 0xffff)
1068         {
1069           print_shell_escaped(pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, p->subsys_vendor_id));
1070           print_shell_escaped(pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, p->subsys_vendor_id, p->subsys_id));
1071         }
1072       else
1073         printf(" \"\" \"\"");
1074       putchar('\n');
1075     }
1076 }
1077
1078 /*** Main show function ***/
1079
1080 void
1081 show_device(struct device *d)
1082 {
1083   if (opt_machine)
1084     show_machine(d);
1085   else
1086     {
1087       if (verbose)
1088         show_verbose(d);
1089       else
1090         show_terse(d);
1091       if (opt_kernel || verbose)
1092         show_kernel(d);
1093     }
1094   if (opt_hex)
1095     show_hex_dump(d);
1096   if (verbose || opt_hex)
1097     putchar('\n');
1098 }
1099
1100 static void
1101 show(void)
1102 {
1103   struct device *d;
1104
1105   for (d=first_dev; d; d=d->next)
1106     if (pci_filter_match(&filter, d->dev))
1107       show_device(d);
1108 }
1109
1110 /* Main */
1111
1112 int
1113 main(int argc, char **argv)
1114 {
1115   int i;
1116   char *msg;
1117
1118   if (argc == 2 && !strcmp(argv[1], "--version"))
1119     {
1120       puts("lspci version " PCIUTILS_VERSION);
1121       return 0;
1122     }
1123
1124   pacc = pci_alloc();
1125   pacc->error = die;
1126   pci_filter_init(pacc, &filter);
1127
1128   while ((i = getopt(argc, argv, options)) != -1)
1129     switch (i)
1130       {
1131       case 'n':
1132         pacc->numeric_ids++;
1133         break;
1134       case 'v':
1135         verbose++;
1136         break;
1137       case 'b':
1138         pacc->buscentric = 1;
1139         break;
1140       case 's':
1141         if (msg = pci_filter_parse_slot(&filter, optarg))
1142           die("-s: %s", msg);
1143         opt_filter = 1;
1144         break;
1145       case 'd':
1146         if (msg = pci_filter_parse_id(&filter, optarg))
1147           die("-d: %s", msg);
1148         opt_filter = 1;
1149         break;
1150       case 'x':
1151         opt_hex++;
1152         break;
1153       case 'P':
1154         opt_path++;
1155         need_topology = 1;
1156         break;
1157       case 't':
1158         opt_tree++;
1159         need_topology = 1;
1160         break;
1161       case 'i':
1162         pci_set_name_list_path(pacc, optarg, 0);
1163         break;
1164       case 'm':
1165         opt_machine++;
1166         break;
1167       case 'p':
1168         opt_pcimap = optarg;
1169         break;
1170 #ifdef PCI_OS_LINUX
1171       case 'k':
1172         opt_kernel++;
1173         break;
1174 #endif
1175       case 'M':
1176         opt_map_mode++;
1177         break;
1178       case 'D':
1179         opt_domains = 2;
1180         break;
1181 #ifdef PCI_USE_DNS
1182       case 'q':
1183         opt_query_dns++;
1184         break;
1185       case 'Q':
1186         opt_query_all = 1;
1187         break;
1188 #else
1189       case 'q':
1190       case 'Q':
1191         die("DNS queries are not available in this version");
1192 #endif
1193       default:
1194         if (parse_generic_option(i, pacc, optarg))
1195           break;
1196       bad:
1197         fprintf(stderr, help_msg, pacc->id_file_name);
1198         return 1;
1199       }
1200   if (optind < argc)
1201     goto bad;
1202
1203   if (opt_query_dns)
1204     {
1205       pacc->id_lookup_mode |= PCI_LOOKUP_NETWORK;
1206       if (opt_query_dns > 1)
1207         pacc->id_lookup_mode |= PCI_LOOKUP_REFRESH_CACHE;
1208     }
1209   if (opt_query_all)
1210     pacc->id_lookup_mode |= PCI_LOOKUP_NETWORK | PCI_LOOKUP_SKIP_LOCAL;
1211
1212   pci_init(pacc);
1213   if (opt_map_mode)
1214     {
1215       if (need_topology)
1216         die("Bus mapping mode does not recognize bus topology");
1217       map_the_bus();
1218     }
1219   else
1220     {
1221       scan_devices();
1222       sort_them();
1223       if (need_topology)
1224         grow_tree();
1225       if (opt_tree)
1226         show_forest(opt_filter ? &filter : NULL);
1227       else
1228         show();
1229     }
1230   show_kernel_cleanup();
1231   pci_cleanup(pacc);
1232
1233   return (seen_errors ? 2 : 0);
1234 }