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 (!config_fetch(d, where + PCI_ERR_UNCOR_STATUS, 24))
  34     return;
  35
  36   l = get_conf_long(d, where + PCI_ERR_UNCOR_STATUS);
  37   printf("\t\tUESta:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c "
  38         "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n",
  39         FLAG(l, PCI_ERR_UNC_DLP), FLAG(l, PCI_ERR_UNC_SDES), FLAG(l, PCI_ERR_UNC_POISON_TLP),
  40         FLAG(l, PCI_ERR_UNC_FCP), FLAG(l, PCI_ERR_UNC_COMP_TIME), FLAG(l, PCI_ERR_UNC_COMP_ABORT),
  41         FLAG(l, PCI_ERR_UNC_UNX_COMP), FLAG(l, PCI_ERR_UNC_RX_OVER), FLAG(l, PCI_ERR_UNC_MALF_TLP),
  42         FLAG(l, PCI_ERR_UNC_ECRC), FLAG(l, PCI_ERR_UNC_UNSUP), FLAG(l, PCI_ERR_UNC_ACS_VIOL));
  43   l = get_conf_long(d, where + PCI_ERR_UNCOR_MASK);
  44   printf("\t\tUEMsk:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c "
  45         "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n",
  46         FLAG(l, PCI_ERR_UNC_DLP), FLAG(l, PCI_ERR_UNC_SDES), FLAG(l, PCI_ERR_UNC_POISON_TLP),
  47         FLAG(l, PCI_ERR_UNC_FCP), FLAG(l, PCI_ERR_UNC_COMP_TIME), FLAG(l, PCI_ERR_UNC_COMP_ABORT),
  48         FLAG(l, PCI_ERR_UNC_UNX_COMP), FLAG(l, PCI_ERR_UNC_RX_OVER), FLAG(l, PCI_ERR_UNC_MALF_TLP),
  49         FLAG(l, PCI_ERR_UNC_ECRC), FLAG(l, PCI_ERR_UNC_UNSUP), FLAG(l, PCI_ERR_UNC_ACS_VIOL));
  50   l = get_conf_long(d, where + PCI_ERR_UNCOR_SEVER);
  51   printf("\t\tUESvrt:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c "
  52         "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n",
  53         FLAG(l, PCI_ERR_UNC_DLP), FLAG(l, PCI_ERR_UNC_SDES), FLAG(l, PCI_ERR_UNC_POISON_TLP),
  54         FLAG(l, PCI_ERR_UNC_FCP), FLAG(l, PCI_ERR_UNC_COMP_TIME), FLAG(l, PCI_ERR_UNC_COMP_ABORT),
  55         FLAG(l, PCI_ERR_UNC_UNX_COMP), FLAG(l, PCI_ERR_UNC_RX_OVER), FLAG(l, PCI_ERR_UNC_MALF_TLP),
  56         FLAG(l, PCI_ERR_UNC_ECRC), FLAG(l, PCI_ERR_UNC_UNSUP), FLAG(l, PCI_ERR_UNC_ACS_VIOL));
  57   l = get_conf_long(d, where + PCI_ERR_COR_STATUS);
  58   printf("\t\tCESta:\tRxErr%c BadTLP%c BadDLLP%c Rollover%c Timeout%c NonFatalErr%c\n",
  59         FLAG(l, PCI_ERR_COR_RCVR), FLAG(l, PCI_ERR_COR_BAD_TLP), FLAG(l, PCI_ERR_COR_BAD_DLLP),
  60         FLAG(l, PCI_ERR_COR_REP_ROLL), FLAG(l, PCI_ERR_COR_REP_TIMER), FLAG(l, PCI_ERR_COR_REP_ANFE));
  61   l = get_conf_long(d, where + PCI_ERR_COR_MASK);
  62   printf("\t\tCEMsk:\tRxErr%c BadTLP%c BadDLLP%c Rollover%c Timeout%c NonFatalErr%c\n",
  63         FLAG(l, PCI_ERR_COR_RCVR), FLAG(l, PCI_ERR_COR_BAD_TLP), FLAG(l, PCI_ERR_COR_BAD_DLLP),
  64         FLAG(l, PCI_ERR_COR_REP_ROLL), FLAG(l, PCI_ERR_COR_REP_TIMER), FLAG(l, PCI_ERR_COR_REP_ANFE));
  65   l = get_conf_long(d, where + PCI_ERR_CAP);
  66   printf("\t\tAERCap:\tFirst Error Pointer: %02x, GenCap%c CGenEn%c ChkCap%c ChkEn%c\n",
  67         PCI_ERR_CAP_FEP(l), FLAG(l, PCI_ERR_CAP_ECRC_GENC), FLAG(l, PCI_ERR_CAP_ECRC_GENE),
  68         FLAG(l, PCI_ERR_CAP_ECRC_CHKC), FLAG(l, PCI_ERR_CAP_ECRC_CHKE));
  69
  70 }
  71
  72 static void
  73 cap_acs(struct device *d, int where)
  74 {
  75   u16 w;
  76
  77   printf("Access Control Services\n");
  78   if (!config_fetch(d, where + PCI_ACS_CAP, 4))
  79     return;
  80
  81   w = get_conf_word(d, where + PCI_ACS_CAP);
  82   printf("\t\tACSCap:\tSrcValid%c TransBlk%c ReqRedir%c CmpltRedir%c UpstreamFwd%c EgressCtrl%c "
  83         "DirectTrans%c\n",
  84         FLAG(w, PCI_ACS_CAP_VALID), FLAG(w, PCI_ACS_CAP_BLOCK), FLAG(w, PCI_ACS_CAP_REQ_RED),
  85         FLAG(w, PCI_ACS_CAP_CMPLT_RED), FLAG(w, PCI_ACS_CAP_FORWARD), FLAG(w, PCI_ACS_CAP_EGRESS),
  86         FLAG(w, PCI_ACS_CAP_TRANS));
  87   w = get_conf_word(d, where + PCI_ACS_CTRL);
  88   printf("\t\tACSCtl:\tSrcValid%c TransBlk%c ReqRedir%c CmpltRedir%c UpstreamFwd%c EgressCtrl%c "
  89         "DirectTrans%c\n",
  90         FLAG(w, PCI_ACS_CTRL_VALID), FLAG(w, PCI_ACS_CTRL_BLOCK), FLAG(w, PCI_ACS_CTRL_REQ_RED),
  91         FLAG(w, PCI_ACS_CTRL_CMPLT_RED), FLAG(w, PCI_ACS_CTRL_FORWARD), FLAG(w, PCI_ACS_CTRL_EGRESS),
  92         FLAG(w, PCI_ACS_CTRL_TRANS));
  93 }
  94
  95 static void
  96 cap_ari(struct device *d, int where)
  97 {
  98   u16 w;
  99
 100   printf("Alternative Routing-ID Interpretation (ARI)\n");
 101   if (!config_fetch(d, where + PCI_ARI_CAP, 4))
 102     return;
 103
 104   w = get_conf_word(d, where + PCI_ARI_CAP);
 105   printf("\t\tARICap:\tMFVC%c ACS%c, Next Function: %d\n",
 106         FLAG(w, PCI_ARI_CAP_MFVC), FLAG(w, PCI_ARI_CAP_ACS),
 107         PCI_ARI_CAP_NFN(w));
 108   w = get_conf_word(d, where + PCI_ARI_CTRL);
 109   printf("\t\tARICtl:\tMFVC%c ACS%c, Function Group: %d\n",
 110         FLAG(w, PCI_ARI_CTRL_MFVC), FLAG(w, PCI_ARI_CTRL_ACS),
 111         PCI_ARI_CTRL_FG(w));
 112 }
 113
 114 static void
 115 cap_ats(struct device *d, int where)
 116 {
 117   u16 w;
 118
 119   printf("Address Translation Service (ATS)\n");
 120   if (!config_fetch(d, where + PCI_ATS_CAP, 4))
 121     return;
 122
 123   w = get_conf_word(d, where + PCI_ATS_CAP);
 124   printf("\t\tATSCap:\tInvalidate Queue Depth: %02x\n", PCI_ATS_CAP_IQD(w));
 125   w = get_conf_word(d, where + PCI_ATS_CTRL);
 126   printf("\t\tATSCtl:\tEnable%c, Smallest Translation Unit: %02x\n",
 127         FLAG(w, PCI_ATS_CTRL_ENABLE), PCI_ATS_CTRL_STU(w));
 128 }
 129
 130 static void
 131 cap_sriov(struct device *d, int where)
 132 {
 133   u16 b;
 134   u16 w;
 135   u32 l;
 136
 137   printf("Single Root I/O Virtualization (SR-IOV)\n");
 138   if (!config_fetch(d, where + PCI_IOV_CAP, 0x3c))
 139     return;
 140
 141   l = get_conf_long(d, where + PCI_IOV_CAP);
 142   printf("\t\tIOVCap:\tMigration%c, Interrupt Message Number: %03x\n",
 143         FLAG(l, PCI_IOV_CAP_VFM), PCI_IOV_CAP_IMN(l));
 144   w = get_conf_word(d, where + PCI_IOV_CTRL);
 145   printf("\t\tIOVCtl:\tEnable%c Migration%c Interrupt%c MSE%c ARIHierarchy%c\n",
 146         FLAG(w, PCI_IOV_CTRL_VFE), FLAG(w, PCI_IOV_CTRL_VFME),
 147         FLAG(w, PCI_IOV_CTRL_VFMIE), FLAG(w, PCI_IOV_CTRL_MSE),
 148         FLAG(w, PCI_IOV_CTRL_ARI));
 149   w = get_conf_word(d, where + PCI_IOV_STATUS);
 150   printf("\t\tIOVSta:\tMigration%c\n", FLAG(w, PCI_IOV_STATUS_MS));
 151   w = get_conf_word(d, where + PCI_IOV_INITIALVF);
 152   printf("\t\tInitial VFs: %d, ", w);
 153   w = get_conf_word(d, where + PCI_IOV_TOTALVF);
 154   printf("Total VFs: %d, ", w);
 155   w = get_conf_word(d, where + PCI_IOV_NUMVF);
 156   printf("Number of VFs: %d, ", w);
 157   b = get_conf_byte(d, where + PCI_IOV_FDL);
 158   printf("Function Dependency Link: %02x\n", b);
 159   w = get_conf_word(d, where + PCI_IOV_OFFSET);
 160   printf("\t\tVF offset: %d, ", w);
 161   w = get_conf_word(d, where + PCI_IOV_STRIDE);
 162   printf("stride: %d, ", w);
 163   w = get_conf_word(d, where + PCI_IOV_DID);
 164   printf("Device ID: %04x\n", w);
 165   l = get_conf_long(d, where + PCI_IOV_SUPPS);
 166   printf("\t\tSupported Page Size: %08x, ", l);
 167   l = get_conf_long(d, where + PCI_IOV_SYSPS);
 168   printf("System Page Size: %08x\n", l);
 169   printf("\t\tVF Migration: offset: %08x, BIR: %x\n", PCI_IOV_MSA_OFFSET(l),
 170         PCI_IOV_MSA_BIR(l));
 171 }
 172
 173 void
 174 show_ext_caps(struct device *d)
 175 {
 176   int where = 0x100;
 177   char been_there[0x1000];
 178   memset(been_there, 0, 0x1000);
 179   do
 180     {
 181       u32 header;
 182       int id;
 183
 184       if (!config_fetch(d, where, 4))
 185         break;
 186       header = get_conf_long(d, where);
 187       if (!header)
 188         break;
 189       id = header & 0xffff;
 190       printf("\tCapabilities: [%03x] ", where);
 191       if (been_there[where]++)
 192         {
 193           printf("<chain looped>\n");
 194           break;
 195         }
 196       switch (id)
 197         {
 198           case PCI_EXT_CAP_ID_AER:
 199             cap_aer(d, where);
 200             break;
 201           case PCI_EXT_CAP_ID_VC:
 202             printf("Virtual Channel <?>\n");
 203             break;
 204           case PCI_EXT_CAP_ID_DSN:
 205             cap_dsn(d, where);
 206             break;
 207           case PCI_EXT_CAP_ID_PB:
 208             printf("Power Budgeting <?>\n");
 209             break;
 210           case PCI_EXT_CAP_ID_RCLINK:
 211             printf("Root Complex Link <?>\n");
 212             break;
 213           case PCI_EXT_CAP_ID_RCILINK:
 214             printf("Root Complex Internal Link <?>\n");
 215             break;
 216           case PCI_EXT_CAP_ID_RCECOLL:
 217             printf("Root Complex Event Collector <?>\n");
 218             break;
 219           case PCI_EXT_CAP_ID_MFVC:
 220             printf("Multi-Function Virtual Channel <?>\n");
 221             break;
 222           case PCI_EXT_CAP_ID_RBCB:
 223             printf("Root Bridge Control Block <?>\n");
 224             break;
 225           case PCI_EXT_CAP_ID_VNDR:
 226             printf("Vendor Specific Information <?>\n");
 227             break;
 228           case PCI_EXT_CAP_ID_ACS:
 229             cap_acs(d, where);
 230             break;
 231           case PCI_EXT_CAP_ID_ARI:
 232             cap_ari(d, where);
 233             break;
 234           case PCI_EXT_CAP_ID_ATS:
 235             cap_ats(d, where);
 236             break;
 237           case PCI_EXT_CAP_ID_SRIOV:
 238             cap_sriov(d, where);
 239             break;
 240           default:
 241             printf("#%02x\n", id);
 242             break;
 243         }
 244       where = header >> 20;
 245     } while (where);
 246 }