X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=ls-ecaps.c;h=c6f217eb63d6691a36fa07ff61849726aaa21cbe;hb=c4a1aff42255ccac78c036d7f98a371039a0eede;hp=ed10f72be2628512c44bff961da71b41c9f562a1;hpb=d676f20d8161b7be7347b6990f6064fa3b171900;p=pciutils.git

diff --git a/ls-ecaps.c b/ls-ecaps.c
index ed10f72..c6f217e 100644
--- a/ls-ecaps.c
+++ b/ls-ecaps.c
@@ -11,6 +11,71 @@
 
 #include "lspci.h"
 
+static void
+cap_tph(struct device *d, int where)
+{
+  u32 tph_cap;
+  printf("Transaction Processing Hints\n");
+  if (verbose < 2)
+    return;
+
+  if (!config_fetch(d, where + PCI_TPH_CAPABILITIES, 4))
+    return;
+
+  tph_cap = get_conf_long(d, where + PCI_TPH_CAPABILITIES);
+
+  if (tph_cap & PCI_TPH_INTVEC_SUP)
+    printf("\t\tInterrupt vector mode supported\n");
+  if (tph_cap & PCI_TPH_DEV_SUP)
+    printf("\t\tDevice specific mode supported\n");
+  if (tph_cap & PCI_TPH_EXT_REQ_SUP)
+    printf("\t\tExtended requester support\n");
+
+  switch (tph_cap & PCI_TPH_ST_LOC_MASK) {
+  case PCI_TPH_ST_NONE:
+    printf("\t\tNo steering table available\n");
+    break;
+  case PCI_TPH_ST_CAP:
+    printf("\t\tSteering table in TPH capability structure\n");
+    break;
+  case PCI_TPH_ST_MSIX:
+    printf("\t\tSteering table in MSI-X table\n");
+    break;
+  default:
+    printf("\t\tReserved steering table location\n");
+    break;
+  }
+}
+
+static u32
+cap_ltr_scale(u8 scale)
+{
+  return 1 << (scale * 5);
+}
+
+static void
+cap_ltr(struct device *d, int where)
+{
+  u32 scale;
+  u16 snoop, nosnoop;
+  printf("Latency Tolerance Reporting\n");
+  if (verbose < 2)
+    return;
+
+  if (!config_fetch(d, where + PCI_LTR_MAX_SNOOP, 4))
+    return;
+
+  snoop = get_conf_word(d, where + PCI_LTR_MAX_SNOOP);
+  scale = cap_ltr_scale((snoop >> PCI_LTR_SCALE_SHIFT) & PCI_LTR_SCALE_MASK);
+  printf("\t\tMax snoop latency: %lldns\n",
+	 ((unsigned long long)snoop & PCI_LTR_VALUE_MASK) * scale);
+
+  nosnoop = get_conf_word(d, where + PCI_LTR_MAX_NOSNOOP);
+  scale = cap_ltr_scale((nosnoop >> PCI_LTR_SCALE_SHIFT) & PCI_LTR_SCALE_MASK);
+  printf("\t\tMax no snoop latency: %lldns\n",
+	 ((unsigned long long)nosnoop & PCI_LTR_VALUE_MASK) * scale);
+}
+
 static void
 cap_dsn(struct device *d, int where)
 {
@@ -274,7 +339,7 @@ cap_vc(struct device *d, int where)
 	}
       rcap = get_conf_long(d, pos);
       rctrl = get_conf_long(d, pos+4);
-      rstatus = get_conf_word(d, pos+8);
+      rstatus = get_conf_word(d, pos+10);
 
       pat_pos = BITS(rcap, 24, 8);
       printf("Caps:\tPATOffset=%02x MaxTimeSlots=%d RejSnoopTrans%c\n",
@@ -383,6 +448,58 @@ cap_evendor(struct device *d, int where)
     BITS(hdr, 20, 12));
 }
 
+static void
+cap_l1pm(struct device *d, int where)
+{
+  u32 l1_cap;
+  int power_on_scale;
+
+  printf("L1 PM Substates\n");
+
+  if (verbose < 2)
+    return;
+
+  if (!config_fetch(d, where + 4, 4))
+    {
+      printf("\t\t<unreadable>\n");
+      return;
+    }
+
+  l1_cap = get_conf_long(d, where + 4);
+  printf("\t\tL1SubCap: ");
+  printf("PCI-PM_L1.2%c PCI-PM_L1.1%c ASPM_L1.2%c ASPM_L1.1%c L1_PM_Substates%c\n",
+    FLAG(l1_cap, 1),
+    FLAG(l1_cap, 2),
+    FLAG(l1_cap, 4),
+    FLAG(l1_cap, 8),
+    FLAG(l1_cap, 16));
+
+  if (BITS(l1_cap, 0, 1) || BITS(l1_cap, 2, 1))
+    {
+      printf("\t\t\t  PortCommonModeRestoreTime=%dus ",
+	BITS(l1_cap, 8,8));
+
+      power_on_scale = BITS(l1_cap, 16, 2);
+
+      printf("PortTPowerOnTime=");
+      switch (power_on_scale)
+	{
+	  case 0:
+	    printf("%dus\n", BITS(l1_cap, 19, 5) * 2);
+	    break;
+	  case 1:
+	    printf("%dus\n", BITS(l1_cap, 19, 5) * 10);
+	    break;
+	  case 2:
+	    printf("%dus\n", BITS(l1_cap, 19, 5) * 100);
+	    break;
+	  default:
+	    printf("<error>\n");
+	    break;
+	}
+    }
+}
+
 void
 show_ext_caps(struct device *d)
 {
@@ -455,6 +572,15 @@ show_ext_caps(struct device *d)
 	  case PCI_EXT_CAP_ID_SRIOV:
 	    cap_sriov(d, where);
 	    break;
+	  case PCI_EXT_CAP_ID_TPH:
+	    cap_tph(d, where);
+	    break;
+	  case PCI_EXT_CAP_ID_LTR:
+	    cap_ltr(d, where);
+	    break;
+	  case PCI_EXT_CAP_ID_L1PM:
+	    cap_l1pm(d, where);
+	    break;
 	  default:
 	    printf("#%02x\n", id);
 	    break;