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         t1 & 0xff, (t1 >> 8) & 0xff, (t1 >> 16) & 0xff, t1 >> 24,
  24         t2 & 0xff, (t2 >> 8) & 0xff, (t2 >> 16) & 0xff, t2 >> 24);
  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
 149   printf("Single Root I/O Virtualization (SR-IOV)\n");
 150   if (verbose < 2)
 151     return;
 152
 153   if (!config_fetch(d, where + PCI_IOV_CAP, 0x3c))
 154     return;
 155
 156   l = get_conf_long(d, where + PCI_IOV_CAP);
 157   printf("\t\tIOVCap:\tMigration%c, Interrupt Message Number: %03x\n",
 158         FLAG(l, PCI_IOV_CAP_VFM), PCI_IOV_CAP_IMN(l));
 159   w = get_conf_word(d, where + PCI_IOV_CTRL);
 160   printf("\t\tIOVCtl:\tEnable%c Migration%c Interrupt%c MSE%c ARIHierarchy%c\n",
 161         FLAG(w, PCI_IOV_CTRL_VFE), FLAG(w, PCI_IOV_CTRL_VFME),
 162         FLAG(w, PCI_IOV_CTRL_VFMIE), FLAG(w, PCI_IOV_CTRL_MSE),
 163         FLAG(w, PCI_IOV_CTRL_ARI));
 164   w = get_conf_word(d, where + PCI_IOV_STATUS);
 165   printf("\t\tIOVSta:\tMigration%c\n", FLAG(w, PCI_IOV_STATUS_MS));
 166   w = get_conf_word(d, where + PCI_IOV_INITIALVF);
 167   printf("\t\tInitial VFs: %d, ", w);
 168   w = get_conf_word(d, where + PCI_IOV_TOTALVF);
 169   printf("Total VFs: %d, ", w);
 170   w = get_conf_word(d, where + PCI_IOV_NUMVF);
 171   printf("Number of VFs: %d, ", w);
 172   b = get_conf_byte(d, where + PCI_IOV_FDL);
 173   printf("Function Dependency Link: %02x\n", b);
 174   w = get_conf_word(d, where + PCI_IOV_OFFSET);
 175   printf("\t\tVF offset: %d, ", w);
 176   w = get_conf_word(d, where + PCI_IOV_STRIDE);
 177   printf("stride: %d, ", w);
 178   w = get_conf_word(d, where + PCI_IOV_DID);
 179   printf("Device ID: %04x\n", w);
 180   l = get_conf_long(d, where + PCI_IOV_SUPPS);
 181   printf("\t\tSupported Page Size: %08x, ", l);
 182   l = get_conf_long(d, where + PCI_IOV_SYSPS);
 183   printf("System Page Size: %08x\n", l);
 184   l = get_conf_long(d, where + PCI_IOV_MSAO);
 185   printf("\t\tVF Migration: offset: %08x, BIR: %x\n", PCI_IOV_MSA_OFFSET(l),
 186         PCI_IOV_MSA_BIR(l));
 187 }
 188
 189 void
 190 show_ext_caps(struct device *d)
 191 {
 192   int where = 0x100;
 193   char been_there[0x1000];
 194   memset(been_there, 0, 0x1000);
 195   do
 196     {
 197       u32 header;
 198       int id;
 199
 200       if (!config_fetch(d, where, 4))
 201         break;
 202       header = get_conf_long(d, where);
 203       if (!header)
 204         break;
 205       id = header & 0xffff;
 206       printf("\tCapabilities: [%03x] ", where);
 207       if (been_there[where]++)
 208         {
 209           printf("<chain looped>\n");
 210           break;
 211         }
 212       switch (id)
 213         {
 214           case PCI_EXT_CAP_ID_AER:
 215             cap_aer(d, where);
 216             break;
 217           case PCI_EXT_CAP_ID_VC:
 218             printf("Virtual Channel <?>\n");
 219             break;
 220           case PCI_EXT_CAP_ID_DSN:
 221             cap_dsn(d, where);
 222             break;
 223           case PCI_EXT_CAP_ID_PB:
 224             printf("Power Budgeting <?>\n");
 225             break;
 226           case PCI_EXT_CAP_ID_RCLINK:
 227             printf("Root Complex Link <?>\n");
 228             break;
 229           case PCI_EXT_CAP_ID_RCILINK:
 230             printf("Root Complex Internal Link <?>\n");
 231             break;
 232           case PCI_EXT_CAP_ID_RCECOLL:
 233             printf("Root Complex Event Collector <?>\n");
 234             break;
 235           case PCI_EXT_CAP_ID_MFVC:
 236             printf("Multi-Function Virtual Channel <?>\n");
 237             break;
 238           case PCI_EXT_CAP_ID_RBCB:
 239             printf("Root Bridge Control Block <?>\n");
 240             break;
 241           case PCI_EXT_CAP_ID_VNDR:
 242             printf("Vendor Specific Information <?>\n");
 243             break;
 244           case PCI_EXT_CAP_ID_ACS:
 245             cap_acs(d, where);
 246             break;
 247           case PCI_EXT_CAP_ID_ARI:
 248             cap_ari(d, where);
 249             break;
 250           case PCI_EXT_CAP_ID_ATS:
 251             cap_ats(d, where);
 252             break;
 253           case PCI_EXT_CAP_ID_SRIOV:
 254             cap_sriov(d, where);
 255             break;
 256           default:
 257             printf("#%02x\n", id);
 258             break;
 259         }
 260       where = header >> 20;
 261     } while (where);
 262 }