ls-ecaps.c

   1 /*
   2  *      The PCI Utilities -- Show Extended Capabilities
   3  *
   4  *      Copyright (c) 1997--2010 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
  12 #include "lspci.h"
  13
  14 static void
  15 cap_dsn(struct device *d, int where)
  16 {
  17   u32 t1, t2;
  18   if (!config_fetch(d, where + 4, 8))
  19     return;
  20   t1 = get_conf_long(d, where + 4);
  21   t2 = get_conf_long(d, where + 8);
  22   printf("Device Serial Number %02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x\n",
  23         t2 >> 24, (t2 >> 16) & 0xff, (t2 >> 8) & 0xff, t2 & 0xff,
  24         t1 >> 24, (t1 >> 16) & 0xff, (t1 >> 8) & 0xff, t1 & 0xff);
  25 }
  26
  27 static void
  28 cap_aer(struct device *d, int where)
  29 {
  30   u32 l;
  31
  32   printf("Advanced Error Reporting\n");
  33   if (verbose < 2)
  34     return;
  35
  36   if (!config_fetch(d, where + PCI_ERR_UNCOR_STATUS, 24))
  37     return;
  38
  39   l = get_conf_long(d, where + PCI_ERR_UNCOR_STATUS);
  40   printf("\t\tUESta:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c "
  41         "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n",
  42         FLAG(l, PCI_ERR_UNC_DLP), FLAG(l, PCI_ERR_UNC_SDES), FLAG(l, PCI_ERR_UNC_POISON_TLP),
  43         FLAG(l, PCI_ERR_UNC_FCP), FLAG(l, PCI_ERR_UNC_COMP_TIME), FLAG(l, PCI_ERR_UNC_COMP_ABORT),
  44         FLAG(l, PCI_ERR_UNC_UNX_COMP), FLAG(l, PCI_ERR_UNC_RX_OVER), FLAG(l, PCI_ERR_UNC_MALF_TLP),
  45         FLAG(l, PCI_ERR_UNC_ECRC), FLAG(l, PCI_ERR_UNC_UNSUP), FLAG(l, PCI_ERR_UNC_ACS_VIOL));
  46   l = get_conf_long(d, where + PCI_ERR_UNCOR_MASK);
  47   printf("\t\tUEMsk:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c "
  48         "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n",
  49         FLAG(l, PCI_ERR_UNC_DLP), FLAG(l, PCI_ERR_UNC_SDES), FLAG(l, PCI_ERR_UNC_POISON_TLP),
  50         FLAG(l, PCI_ERR_UNC_FCP), FLAG(l, PCI_ERR_UNC_COMP_TIME), FLAG(l, PCI_ERR_UNC_COMP_ABORT),
  51         FLAG(l, PCI_ERR_UNC_UNX_COMP), FLAG(l, PCI_ERR_UNC_RX_OVER), FLAG(l, PCI_ERR_UNC_MALF_TLP),
  52         FLAG(l, PCI_ERR_UNC_ECRC), FLAG(l, PCI_ERR_UNC_UNSUP), FLAG(l, PCI_ERR_UNC_ACS_VIOL));
  53   l = get_conf_long(d, where + PCI_ERR_UNCOR_SEVER);
  54   printf("\t\tUESvrt:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c "
  55         "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n",
  56         FLAG(l, PCI_ERR_UNC_DLP), FLAG(l, PCI_ERR_UNC_SDES), FLAG(l, PCI_ERR_UNC_POISON_TLP),
  57         FLAG(l, PCI_ERR_UNC_FCP), FLAG(l, PCI_ERR_UNC_COMP_TIME), FLAG(l, PCI_ERR_UNC_COMP_ABORT),
  58         FLAG(l, PCI_ERR_UNC_UNX_COMP), FLAG(l, PCI_ERR_UNC_RX_OVER), FLAG(l, PCI_ERR_UNC_MALF_TLP),
  59         FLAG(l, PCI_ERR_UNC_ECRC), FLAG(l, PCI_ERR_UNC_UNSUP), FLAG(l, PCI_ERR_UNC_ACS_VIOL));
  60   l = get_conf_long(d, where + PCI_ERR_COR_STATUS);
  61   printf("\t\tCESta:\tRxErr%c BadTLP%c BadDLLP%c Rollover%c Timeout%c NonFatalErr%c\n",
  62         FLAG(l, PCI_ERR_COR_RCVR), FLAG(l, PCI_ERR_COR_BAD_TLP), FLAG(l, PCI_ERR_COR_BAD_DLLP),
  63         FLAG(l, PCI_ERR_COR_REP_ROLL), FLAG(l, PCI_ERR_COR_REP_TIMER), FLAG(l, PCI_ERR_COR_REP_ANFE));
  64   l = get_conf_long(d, where + PCI_ERR_COR_MASK);
  65   printf("\t\tCEMsk:\tRxErr%c BadTLP%c BadDLLP%c Rollover%c Timeout%c NonFatalErr%c\n",
  66         FLAG(l, PCI_ERR_COR_RCVR), FLAG(l, PCI_ERR_COR_BAD_TLP), FLAG(l, PCI_ERR_COR_BAD_DLLP),
  67         FLAG(l, PCI_ERR_COR_REP_ROLL), FLAG(l, PCI_ERR_COR_REP_TIMER), FLAG(l, PCI_ERR_COR_REP_ANFE));
  68   l = get_conf_long(d, where + PCI_ERR_CAP);
  69   printf("\t\tAERCap:\tFirst Error Pointer: %02x, GenCap%c CGenEn%c ChkCap%c ChkEn%c\n",
  70         PCI_ERR_CAP_FEP(l), FLAG(l, PCI_ERR_CAP_ECRC_GENC), FLAG(l, PCI_ERR_CAP_ECRC_GENE),
  71         FLAG(l, PCI_ERR_CAP_ECRC_CHKC), FLAG(l, PCI_ERR_CAP_ECRC_CHKE));
  72
  73 }
  74
  75 static void
  76 cap_acs(struct device *d, int where)
  77 {
  78   u16 w;
  79
  80   printf("Access Control Services\n");
  81   if (verbose < 2)
  82     return;
  83
  84   if (!config_fetch(d, where + PCI_ACS_CAP, 4))
  85     return;
  86
  87   w = get_conf_word(d, where + PCI_ACS_CAP);
  88   printf("\t\tACSCap:\tSrcValid%c TransBlk%c ReqRedir%c CmpltRedir%c UpstreamFwd%c EgressCtrl%c "
  89         "DirectTrans%c\n",
  90         FLAG(w, PCI_ACS_CAP_VALID), FLAG(w, PCI_ACS_CAP_BLOCK), FLAG(w, PCI_ACS_CAP_REQ_RED),
  91         FLAG(w, PCI_ACS_CAP_CMPLT_RED), FLAG(w, PCI_ACS_CAP_FORWARD), FLAG(w, PCI_ACS_CAP_EGRESS),
  92         FLAG(w, PCI_ACS_CAP_TRANS));
  93   w = get_conf_word(d, where + PCI_ACS_CTRL);
  94   printf("\t\tACSCtl:\tSrcValid%c TransBlk%c ReqRedir%c CmpltRedir%c UpstreamFwd%c EgressCtrl%c "
  95         "DirectTrans%c\n",
  96         FLAG(w, PCI_ACS_CTRL_VALID), FLAG(w, PCI_ACS_CTRL_BLOCK), FLAG(w, PCI_ACS_CTRL_REQ_RED),
  97         FLAG(w, PCI_ACS_CTRL_CMPLT_RED), FLAG(w, PCI_ACS_CTRL_FORWARD), FLAG(w, PCI_ACS_CTRL_EGRESS),
  98         FLAG(w, PCI_ACS_CTRL_TRANS));
  99 }
 100
 101 static void
 102 cap_ari(struct device *d, int where)
 103 {
 104   u16 w;
 105
 106   printf("Alternative Routing-ID Interpretation (ARI)\n");
 107   if (verbose < 2)
 108     return;
 109
 110   if (!config_fetch(d, where + PCI_ARI_CAP, 4))
 111     return;
 112
 113   w = get_conf_word(d, where + PCI_ARI_CAP);
 114   printf("\t\tARICap:\tMFVC%c ACS%c, Next Function: %d\n",
 115         FLAG(w, PCI_ARI_CAP_MFVC), FLAG(w, PCI_ARI_CAP_ACS),
 116         PCI_ARI_CAP_NFN(w));
 117   w = get_conf_word(d, where + PCI_ARI_CTRL);
 118   printf("\t\tARICtl:\tMFVC%c ACS%c, Function Group: %d\n",
 119         FLAG(w, PCI_ARI_CTRL_MFVC), FLAG(w, PCI_ARI_CTRL_ACS),
 120         PCI_ARI_CTRL_FG(w));
 121 }
 122
 123 static void
 124 cap_ats(struct device *d, int where)
 125 {
 126   u16 w;
 127
 128   printf("Address Translation Service (ATS)\n");
 129   if (verbose < 2)
 130     return;
 131
 132   if (!config_fetch(d, where + PCI_ATS_CAP, 4))
 133     return;
 134
 135   w = get_conf_word(d, where + PCI_ATS_CAP);
 136   printf("\t\tATSCap:\tInvalidate Queue Depth: %02x\n", PCI_ATS_CAP_IQD(w));
 137   w = get_conf_word(d, where + PCI_ATS_CTRL);
 138   printf("\t\tATSCtl:\tEnable%c, Smallest Translation Unit: %02x\n",
 139         FLAG(w, PCI_ATS_CTRL_ENABLE), PCI_ATS_CTRL_STU(w));
 140 }
 141
 142 static void
 143 cap_sriov(struct device *d, int where)
 144 {
 145   u16 b;
 146   u16 w;
 147   u32 l;
 148   int i;
 149
 150   printf("Single Root I/O Virtualization (SR-IOV)\n");
 151   if (verbose < 2)
 152     return;
 153
 154   if (!config_fetch(d, where + PCI_IOV_CAP, 0x3c))
 155     return;
 156
 157   l = get_conf_long(d, where + PCI_IOV_CAP);
 158   printf("\t\tIOVCap:\tMigration%c, Interrupt Message Number: %03x\n",
 159         FLAG(l, PCI_IOV_CAP_VFM), PCI_IOV_CAP_IMN(l));
 160   w = get_conf_word(d, where + PCI_IOV_CTRL);
 161   printf("\t\tIOVCtl:\tEnable%c Migration%c Interrupt%c MSE%c ARIHierarchy%c\n",
 162         FLAG(w, PCI_IOV_CTRL_VFE), FLAG(w, PCI_IOV_CTRL_VFME),
 163         FLAG(w, PCI_IOV_CTRL_VFMIE), FLAG(w, PCI_IOV_CTRL_MSE),
 164         FLAG(w, PCI_IOV_CTRL_ARI));
 165   w = get_conf_word(d, where + PCI_IOV_STATUS);
 166   printf("\t\tIOVSta:\tMigration%c\n", FLAG(w, PCI_IOV_STATUS_MS));
 167   w = get_conf_word(d, where + PCI_IOV_INITIALVF);
 168   printf("\t\tInitial VFs: %d, ", w);
 169   w = get_conf_word(d, where + PCI_IOV_TOTALVF);
 170   printf("Total VFs: %d, ", w);
 171   w = get_conf_word(d, where + PCI_IOV_NUMVF);
 172   printf("Number of VFs: %d, ", w);
 173   b = get_conf_byte(d, where + PCI_IOV_FDL);
 174   printf("Function Dependency Link: %02x\n", b);
 175   w = get_conf_word(d, where + PCI_IOV_OFFSET);
 176   printf("\t\tVF offset: %d, ", w);
 177   w = get_conf_word(d, where + PCI_IOV_STRIDE);
 178   printf("stride: %d, ", w);
 179   w = get_conf_word(d, where + PCI_IOV_DID);
 180   printf("Device ID: %04x\n", w);
 181   l = get_conf_long(d, where + PCI_IOV_SUPPS);
 182   printf("\t\tSupported Page Size: %08x, ", l);
 183   l = get_conf_long(d, where + PCI_IOV_SYSPS);
 184   printf("System Page Size: %08x\n", l);
 185
 186   for (i=0; i < PCI_IOV_NUM_BAR; i++)
 187     {
 188       u32 addr;
 189       int type;
 190       u32 h;
 191       l = get_conf_long(d, where + PCI_IOV_BAR_BASE + 4*i);
 192       if (l == 0xffffffff)
 193         l = 0;
 194       if (!l)
 195         continue;
 196       printf("\t\tRegion %d: Memory at ", i);
 197       addr = l & PCI_ADDR_MEM_MASK;
 198       type = l & PCI_BASE_ADDRESS_MEM_TYPE_MASK;
 199       if (type == PCI_BASE_ADDRESS_MEM_TYPE_64)
 200         {
 201           i++;
 202           h = get_conf_long(d, where + PCI_IOV_BAR_BASE + (i*4));
 203           printf("%08x", h);
 204         }
 205       printf("%08x (%s-bit, %sprefetchable)\n",
 206         addr,
 207         (type == PCI_BASE_ADDRESS_MEM_TYPE_32) ? "32" : "64",
 208         (l & PCI_BASE_ADDRESS_MEM_PREFETCH) ? "" : "non-");
 209     }
 210
 211   l = get_conf_long(d, where + PCI_IOV_MSAO);
 212   printf("\t\tVF Migration: offset: %08x, BIR: %x\n", PCI_IOV_MSA_OFFSET(l),
 213         PCI_IOV_MSA_BIR(l));
 214 }
 215
 216 static void
 217 cap_vc(struct device *d, int where)
 218 {
 219   u32 cr1, cr2;
 220   u16 ctrl, status;
 221   int evc_cnt;
 222   int arb_table_pos;
 223   int i, j;
 224   static const char ref_clocks[][6] = { "100ns" };
 225   static const char arb_selects[8][7] = { "Fixed", "WRR32", "WRR64", "WRR128", "??4", "??5", "??6", "??7" };
 226   static const char vc_arb_selects[8][8] = { "Fixed", "WRR32", "WRR64", "WRR128", "TWRR128", "WRR256", "??6", "??7" };
 227   char buf[8];
 228
 229   printf("Virtual Channel\n");
 230   if (verbose < 2)
 231     return;
 232
 233   if (!config_fetch(d, where + 4, 0x1c - 4))
 234     return;
 235
 236   cr1 = get_conf_long(d, where + PCI_VC_PORT_REG1);
 237   cr2 = get_conf_long(d, where + PCI_VC_PORT_REG2);
 238   ctrl = get_conf_word(d, where + PCI_VC_PORT_CTRL);
 239   status = get_conf_word(d, where + PCI_VC_PORT_STATUS);
 240
 241   evc_cnt = BITS(cr1, 0, 3);
 242   printf("\t\tCaps:\tLPEVC=%d RefClk=%s PATEntryBits=%d\n",
 243     BITS(cr1, 4, 3),
 244     TABLE(ref_clocks, BITS(cr1, 8, 2), buf),
 245     1 << BITS(cr1, 10, 2));
 246
 247   printf("\t\tArb:");
 248   for (i=0; i<8; i++)
 249     if (arb_selects[i][0] != '?' || cr2 & (1 << i))
 250       printf("%c%s%c", (i ? ' ' : '\t'), arb_selects[i], FLAG(cr2, 1 << i));
 251   arb_table_pos = BITS(cr2, 24, 8);
 252
 253   printf("\n\t\tCtrl:\tArbSelect=%s\n", TABLE(arb_selects, BITS(ctrl, 1, 3), buf));
 254   printf("\t\tStatus:\tInProgress%c\n", FLAG(status, 1));
 255
 256   if (arb_table_pos)
 257     {
 258       arb_table_pos = where + 16*arb_table_pos;
 259       printf("\t\tPort Arbitration Table [%x] <?>\n", arb_table_pos);
 260     }
 261
 262   for (i=0; i<=evc_cnt; i++)
 263     {
 264       int pos = where + PCI_VC_RES_CAP + 12*i;
 265       u32 rcap, rctrl;
 266       u16 rstatus;
 267       int pat_pos;
 268
 269       printf("\t\tVC%d:\t", i);
 270       if (!config_fetch(d, pos, 12))
 271         {
 272           printf("<unreadable>\n");
 273           continue;
 274         }
 275       rcap = get_conf_long(d, pos);
 276       rctrl = get_conf_long(d, pos+4);
 277       rstatus = get_conf_word(d, pos+8);
 278
 279       pat_pos = BITS(rcap, 24, 8);
 280       printf("Caps:\tPATOffset=%02x MaxTimeSlots=%d RejSnoopTrans%c\n",
 281         pat_pos,
 282         BITS(rcap, 16, 6) + 1,
 283         FLAG(rcap, 1 << 15));
 284
 285       printf("\t\t\tArb:");
 286       for (j=0; j<8; j++)
 287         if (vc_arb_selects[j][0] != '?' || rcap & (1 << j))
 288           printf("%c%s%c", (j ? ' ' : '\t'), vc_arb_selects[j], FLAG(rcap, 1 << j));
 289
 290       printf("\n\t\t\tCtrl:\tEnable%c ID=%d ArbSelect=%s TC/VC=%02x\n",
 291         FLAG(rctrl, 1 << 31),
 292         BITS(rctrl, 24, 3),
 293         TABLE(vc_arb_selects, BITS(rctrl, 17, 3), buf),
 294         BITS(rctrl, 0, 8));
 295
 296       printf("\t\t\tStatus:\tNegoPending%c InProgress%c\n",
 297         FLAG(rstatus, 2),
 298         FLAG(rstatus, 1));
 299
 300       if (pat_pos)
 301         printf("\t\t\tPort Arbitration Table <?>\n");
 302     }
 303 }
 304
 305 static void
 306 cap_rclink(struct device *d, int where)
 307 {
 308   u32 esd;
 309   int num_links;
 310   int i;
 311   static const char elt_types[][9] = { "Config", "Egress", "Internal" };
 312   char buf[8];
 313
 314   printf("Root Complex Link\n");
 315   if (verbose < 2)
 316     return;
 317
 318   if (!config_fetch(d, where + 4, PCI_RCLINK_LINK1 - 4))
 319     return;
 320
 321   esd = get_conf_long(d, where + PCI_RCLINK_ESD);
 322   num_links = BITS(esd, 8, 8);
 323   printf("\t\tDesc:\tPortNumber=%02x ComponentID=%02x EltType=%s\n",
 324     BITS(esd, 24, 8),
 325     BITS(esd, 16, 8),
 326     TABLE(elt_types, BITS(esd, 0, 8), buf));
 327
 328   for (i=0; i<num_links; i++)
 329     {
 330       int pos = where + PCI_RCLINK_LINK1 + i*PCI_RCLINK_LINK_SIZE;
 331       u32 desc;
 332       u32 addr_lo, addr_hi;
 333
 334       printf("\t\tLink%d:\t", i);
 335       if (!config_fetch(d, pos, PCI_RCLINK_LINK_SIZE))
 336         {
 337           printf("<unreadable>\n");
 338           return;
 339         }
 340       desc = get_conf_long(d, pos + PCI_RCLINK_LINK_DESC);
 341       addr_lo = get_conf_long(d, pos + PCI_RCLINK_LINK_ADDR);
 342       addr_hi = get_conf_long(d, pos + PCI_RCLINK_LINK_ADDR + 4);
 343
 344       printf("Desc:\tTargetPort=%02x TargetComponent=%02x AssocRCRB%c LinkType=%s LinkValid%c\n",
 345         BITS(desc, 24, 8),
 346         BITS(desc, 16, 8),
 347         FLAG(desc, 4),
 348         ((desc & 2) ? "Config" : "MemMapped"),
 349         FLAG(desc, 1));
 350
 351       if (desc & 2)
 352         {
 353           int n = addr_lo & 7;
 354           if (!n)
 355             n = 8;
 356           printf("\t\t\tAddr:\t%02x:%02x.%d  CfgSpace=%08x%08x\n",
 357             BITS(addr_lo, 20, n),
 358             BITS(addr_lo, 15, 5),
 359             BITS(addr_lo, 12, 3),
 360             addr_hi, addr_lo);
 361         }
 362       else
 363         printf("\t\t\tAddr:\t%08x%08x\n", addr_hi, addr_lo);
 364     }
 365 }
 366
 367 static void
 368 cap_evendor(struct device *d, int where)
 369 {
 370   u32 hdr;
 371
 372   printf("Vendor Specific Information: ");
 373   if (!config_fetch(d, where + PCI_EVNDR_HEADER, 4))
 374     {
 375       printf("<unreadable>\n");
 376       return;
 377     }
 378
 379   hdr = get_conf_long(d, where + PCI_EVNDR_HEADER);
 380   printf("ID=%04x Rev=%d Len=%03x <?>\n",
 381     BITS(hdr, 0, 16),
 382     BITS(hdr, 16, 4),
 383     BITS(hdr, 20, 12));
 384 }
 385
 386 void
 387 show_ext_caps(struct device *d)
 388 {
 389   int where = 0x100;
 390   char been_there[0x1000];
 391   memset(been_there, 0, 0x1000);
 392   do
 393     {
 394       u32 header;
 395       int id, version;
 396
 397       if (!config_fetch(d, where, 4))
 398         break;
 399       header = get_conf_long(d, where);
 400       if (!header)
 401         break;
 402       id = header & 0xffff;
 403       version = (header >> 16) & 0xf;
 404       printf("\tCapabilities: [%03x", where);
 405       if (verbose > 1)
 406         printf(" v%d", version);
 407       printf("] ");
 408       if (been_there[where]++)
 409         {
 410           printf("<chain looped>\n");
 411           break;
 412         }
 413       switch (id)
 414         {
 415           case PCI_EXT_CAP_ID_AER:
 416             cap_aer(d, where);
 417             break;
 418           case PCI_EXT_CAP_ID_VC:
 419           case PCI_EXT_CAP_ID_VC2:
 420             cap_vc(d, where);
 421             break;
 422           case PCI_EXT_CAP_ID_DSN:
 423             cap_dsn(d, where);
 424             break;
 425           case PCI_EXT_CAP_ID_PB:
 426             printf("Power Budgeting <?>\n");
 427             break;
 428           case PCI_EXT_CAP_ID_RCLINK:
 429             cap_rclink(d, where);
 430             break;
 431           case PCI_EXT_CAP_ID_RCILINK:
 432             printf("Root Complex Internal Link <?>\n");
 433             break;
 434           case PCI_EXT_CAP_ID_RCECOLL:
 435             printf("Root Complex Event Collector <?>\n");
 436             break;
 437           case PCI_EXT_CAP_ID_MFVC:
 438             printf("Multi-Function Virtual Channel <?>\n");
 439             break;
 440           case PCI_EXT_CAP_ID_RBCB:
 441             printf("Root Bridge Control Block <?>\n");
 442             break;
 443           case PCI_EXT_CAP_ID_VNDR:
 444             cap_evendor(d, where);
 445             break;
 446           case PCI_EXT_CAP_ID_ACS:
 447             cap_acs(d, where);
 448             break;
 449           case PCI_EXT_CAP_ID_ARI:
 450             cap_ari(d, where);
 451             break;
 452           case PCI_EXT_CAP_ID_ATS:
 453             cap_ats(d, where);
 454             break;
 455           case PCI_EXT_CAP_ID_SRIOV:
 456             cap_sriov(d, where);
 457             break;
 458           default:
 459             printf("#%02x\n", id);
 460             break;
 461         }
 462       where = (header >> 20) & ~3;
 463     } while (where);
 464 }