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 void
 217 show_ext_caps(struct device *d)
 218 {
 219   int where = 0x100;
 220   char been_there[0x1000];
 221   memset(been_there, 0, 0x1000);
 222   do
 223     {
 224       u32 header;
 225       int id;
 226
 227       if (!config_fetch(d, where, 4))
 228         break;
 229       header = get_conf_long(d, where);
 230       if (!header)
 231         break;
 232       id = header & 0xffff;
 233       printf("\tCapabilities: [%03x] ", where);
 234       if (been_there[where]++)
 235         {
 236           printf("<chain looped>\n");
 237           break;
 238         }
 239       switch (id)
 240         {
 241           case PCI_EXT_CAP_ID_AER:
 242             cap_aer(d, where);
 243             break;
 244           case PCI_EXT_CAP_ID_VC:
 245             printf("Virtual Channel <?>\n");
 246             break;
 247           case PCI_EXT_CAP_ID_DSN:
 248             cap_dsn(d, where);
 249             break;
 250           case PCI_EXT_CAP_ID_PB:
 251             printf("Power Budgeting <?>\n");
 252             break;
 253           case PCI_EXT_CAP_ID_RCLINK:
 254             printf("Root Complex Link <?>\n");
 255             break;
 256           case PCI_EXT_CAP_ID_RCILINK:
 257             printf("Root Complex Internal Link <?>\n");
 258             break;
 259           case PCI_EXT_CAP_ID_RCECOLL:
 260             printf("Root Complex Event Collector <?>\n");
 261             break;
 262           case PCI_EXT_CAP_ID_MFVC:
 263             printf("Multi-Function Virtual Channel <?>\n");
 264             break;
 265           case PCI_EXT_CAP_ID_RBCB:
 266             printf("Root Bridge Control Block <?>\n");
 267             break;
 268           case PCI_EXT_CAP_ID_VNDR:
 269             printf("Vendor Specific Information <?>\n");
 270             break;
 271           case PCI_EXT_CAP_ID_ACS:
 272             cap_acs(d, where);
 273             break;
 274           case PCI_EXT_CAP_ID_ARI:
 275             cap_ari(d, where);
 276             break;
 277           case PCI_EXT_CAP_ID_ATS:
 278             cap_ats(d, where);
 279             break;
 280           case PCI_EXT_CAP_ID_SRIOV:
 281             cap_sriov(d, where);
 282             break;
 283           default:
 284             printf("#%02x\n", id);
 285             break;
 286         }
 287       where = header >> 20;
 288     } while (where);
 289 }