ls-ecaps.c

   1 /*
   2  *      The PCI Utilities -- Show Extended Capabilities
   3  *
   4  *      Copyright (c) 1997--2008 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[4][6] = { "100ns", "?1", "?2", "?3" };
 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
 228   printf("Virtual Channel\n");
 229   if (verbose < 2)
 230     return;
 231
 232   if (!config_fetch(d, where + 4, 0x1c - 4))
 233     return;
 234
 235   cr1 = get_conf_long(d, where + PCI_VC_PORT_REG1);
 236   cr2 = get_conf_long(d, where + PCI_VC_PORT_REG2);
 237   ctrl = get_conf_word(d, where + PCI_VC_PORT_CTRL);
 238   status = get_conf_word(d, where + PCI_VC_PORT_STATUS);
 239
 240   evc_cnt = cr1 & 7;
 241   printf("\t\tCaps:\tLPEVC=%d RefClk=%s PATEntrySize=%d\n",
 242     (cr1 >> 4) & 7,
 243     ref_clocks[(cr1 >> 8) & 3],
 244     (cr1 >> 10) & 3);
 245
 246   printf("\t\tArb:\t");
 247   for (i=0; i<8; i++)
 248     if (arb_selects[i][0] != '?' || cr2 & (1 << i))
 249       printf("%s%c ", arb_selects[i], FLAG(cr2, 1 << i));
 250   arb_table_pos = (cr2 >> 24) & 0xff;
 251   printf("TableOffset=%x\n", arb_table_pos);
 252
 253   printf("\t\tCtrl:\tArbSelect=%s\n", arb_selects[(ctrl >> 1) & 7]);
 254   printf("\t\tStatus:\tInProgress%c\n", FLAG(status, 1));
 255
 256   if (arb_table_pos)
 257     printf("\t\tPort Arbitration Table <?>\n");
 258
 259   for (i=0; i<=evc_cnt; i++)
 260     {
 261       int pos = where + PCI_VC_RES_CAP + 12*i;
 262       u32 rcap, rctrl;
 263       u16 rstatus;
 264       int pat_pos;
 265
 266       printf("\t\tVC%d:\t", i);
 267       if (!config_fetch(d, pos, 12))
 268         {
 269           printf("<unreadable>\n");
 270           continue;
 271         }
 272       rcap = get_conf_long(d, pos);
 273       rctrl = get_conf_long(d, pos+4);
 274       rstatus = get_conf_word(d, pos+8);
 275
 276       pat_pos = (rcap >> 24) & 0xff;
 277       printf("Caps:\tPATOffset=%02x MaxTimeSlots=%d RejSnoopTrans%c\n",
 278         pat_pos,
 279         ((rcap >> 16) & 0x3f) + 1,
 280         FLAG(rcap, 1 << 15));
 281
 282       printf("\t\t\tArb:");
 283       for (j=0; j<8; j++)
 284         if (vc_arb_selects[j][0] != '?' || rcap & (1 << j))
 285           printf("%c%s%c", (j ? ' ' : '\t'), vc_arb_selects[j], FLAG(rcap, 1 << j));
 286
 287       printf("\n\t\t\tCtrl:\tEnable%c ID=%d ArbSelect=%s TC/VC=%02x\n",
 288         FLAG(rctrl, 1 << 31),
 289         (rctrl >> 24) & 7,
 290         vc_arb_selects[(rctrl >> 17) & 7],
 291         rctrl & 0xff);
 292
 293       printf("\t\t\tStatus:\tNegoPending%c InProgress%c\n",
 294         FLAG(rstatus, 2),
 295         FLAG(rstatus, 1));
 296
 297       if (pat_pos)
 298         printf("\t\t\tPort Arbitration Table <?>\n");
 299     }
 300 }
 301
 302 static void
 303 cap_rclink(struct device *d, int where)
 304 {
 305   u32 esd;
 306   int num_links;
 307   int i;
 308   static const char elt_types[][9] = { "Config", "Egress", "Internal" };
 309   char buf[8];
 310
 311   printf("Root Complex Link\n");
 312   if (verbose < 2)
 313     return;
 314
 315   if (!config_fetch(d, where + 4, PCI_RCLINK_LINK1 - 4))
 316     return;
 317
 318   esd = get_conf_long(d, where + PCI_RCLINK_ESD);
 319   num_links = BITS(esd, 8, 8);
 320   printf("\t\tDesc:\tPortNumber=%02x ComponentID=%02x EltType=%s\n",
 321     BITS(esd, 24, 8),
 322     BITS(esd, 16, 8),
 323     TABLE(elt_types, BITS(esd, 0, 8), buf));
 324
 325   for (i=0; i<num_links; i++)
 326     {
 327       int pos = where + PCI_RCLINK_LINK1 + i*PCI_RCLINK_LINK_SIZE;
 328       u32 desc;
 329       u32 addr_lo, addr_hi;
 330
 331       printf("\t\tLink%d:\t", i);
 332       if (!config_fetch(d, pos, PCI_RCLINK_LINK_SIZE))
 333         {
 334           printf("<unreadable>\n");
 335           return;
 336         }
 337       desc = get_conf_long(d, pos + PCI_RCLINK_LINK_DESC);
 338       addr_lo = get_conf_long(d, pos + PCI_RCLINK_LINK_ADDR);
 339       addr_hi = get_conf_long(d, pos + PCI_RCLINK_LINK_ADDR + 4);
 340
 341       printf("Desc:\tTargetPort=%02x TargetComponent=%02x AssocRCRB%c LinkType=%s LinkValid%c\n",
 342         BITS(desc, 24, 8),
 343         BITS(desc, 16, 8),
 344         FLAG(desc, 4),
 345         ((desc & 2) ? "Config" : "MemMapped"),
 346         FLAG(desc, 1));
 347
 348       if (desc & 2)
 349         {
 350           int n = addr_lo & 7;
 351           if (!n)
 352             n = 8;
 353           printf("\t\t\tAddr:\t%02x:%02x.%d  CfgSpace=%08x%08x\n",
 354             BITS(addr_lo, 20, n),
 355             BITS(addr_lo, 15, 5),
 356             BITS(addr_lo, 12, 3),
 357             addr_hi, addr_lo);
 358         }
 359       else
 360         printf("\t\t\tAddr:\t%08x%08x\n", addr_hi, addr_lo);
 361     }
 362 }
 363
 364 void
 365 show_ext_caps(struct device *d)
 366 {
 367   int where = 0x100;
 368   char been_there[0x1000];
 369   memset(been_there, 0, 0x1000);
 370   do
 371     {
 372       u32 header;
 373       int id, version;
 374
 375       if (!config_fetch(d, where, 4))
 376         break;
 377       header = get_conf_long(d, where);
 378       if (!header)
 379         break;
 380       id = header & 0xffff;
 381       version = (header >> 16) & 0xf;
 382       printf("\tCapabilities: [%03x", where);
 383       if (verbose > 1)
 384         printf(" v%d", version);
 385       printf("] ");
 386       if (been_there[where]++)
 387         {
 388           printf("<chain looped>\n");
 389           break;
 390         }
 391       switch (id)
 392         {
 393           case PCI_EXT_CAP_ID_AER:
 394             cap_aer(d, where);
 395             break;
 396           case PCI_EXT_CAP_ID_VC:
 397           case PCI_EXT_CAP_ID_VC2:
 398             cap_vc(d, where);
 399             break;
 400           case PCI_EXT_CAP_ID_DSN:
 401             cap_dsn(d, where);
 402             break;
 403           case PCI_EXT_CAP_ID_PB:
 404             printf("Power Budgeting <?>\n");
 405             break;
 406           case PCI_EXT_CAP_ID_RCLINK:
 407             cap_rclink(d, where);
 408             break;
 409           case PCI_EXT_CAP_ID_RCILINK:
 410             printf("Root Complex Internal Link <?>\n");
 411             break;
 412           case PCI_EXT_CAP_ID_RCECOLL:
 413             printf("Root Complex Event Collector <?>\n");
 414             break;
 415           case PCI_EXT_CAP_ID_MFVC:
 416             printf("Multi-Function Virtual Channel <?>\n");
 417             break;
 418           case PCI_EXT_CAP_ID_RBCB:
 419             printf("Root Bridge Control Block <?>\n");
 420             break;
 421           case PCI_EXT_CAP_ID_VNDR:
 422             printf("Vendor Specific Information <?>\n");
 423             break;
 424           case PCI_EXT_CAP_ID_ACS:
 425             cap_acs(d, where);
 426             break;
 427           case PCI_EXT_CAP_ID_ARI:
 428             cap_ari(d, where);
 429             break;
 430           case PCI_EXT_CAP_ID_ATS:
 431             cap_ats(d, where);
 432             break;
 433           case PCI_EXT_CAP_ID_SRIOV:
 434             cap_sriov(d, where);
 435             break;
 436           default:
 437             printf("#%02x\n", id);
 438             break;
 439         }
 440       where = (header >> 20) & ~3;
 441     } while (where);
 442 }