Added dumping of the Address Translation Services capability.

diff --git a/lib/header.h b/lib/header.h
index aa163a0a5ebbcd1096f75b246750cc72199e3bbd..4e84f07ebe0a0a6a81192f3cf694af9fd8576599 100644 (file)
--- a/lib/header.h
+++ b/lib/header.h
@@ -220,6 +220,7 @@
 #define PCI_EXT_CAP_ID_VNDR    0x0b    /* Vendor specific */
 #define PCI_EXT_CAP_ID_ACS     0x0d    /* Access Controls */
 #define PCI_EXT_CAP_ID_ARI     0x0e    /* Alternative Routing-ID Interpretation */
+#define PCI_EXT_CAP_ID_ATS     0x0f    /* Address Translation Service */
 #define PCI_EXT_CAP_ID_SRIOV   0x10    /* Single Root I/O Virtualization */
 
 /* Power Management Registers */
@@ -953,6 +954,13 @@
 #define  PCI_ARI_CTRL_ACS      0x0002  /* ACS Function Groups Enable */
 #define  PCI_ARI_CTRL_FG(x)    (((x) >> 4) & 7) /* Function Group */
 
+/* Address Translation Service */
+#define PCI_ATS_CAP            0x04    /* ATS Capability Register */
+#define  PCI_ATS_CAP_IQD(x)    ((x) & 0x1f) /* Invalidate Queue Depth */
+#define PCI_ATS_CTRL           0x06    /* ATS Control Register */
+#define  PCI_ATS_CTRL_STU(x)   ((x) & 0x1f) /* Smallest Translation Unit */
+#define  PCI_ATS_CTRL_ENABLE   0x80    /* ATS Enable */
+
 /* Single Root I/O Virtualization */
 #define PCI_IOV_CAP            0x04    /* SR-IOV Capability Register */
 #define  PCI_IOV_CAP_VFM       0x00000001 /* VF Migration Capable */

diff --git a/lspci.c b/lspci.c
index ddedb4243cf6d58da0470d7e4cb19da1b30b4bdd..6413451a177b6895c4ff754bac3697b701234da0 100644 (file)
--- a/lspci.c
+++ b/lspci.c
@@ -1590,6 +1590,22 @@ cap_ari(struct device *d, int where)
        PCI_ARI_CTRL_FG(w));
 }
 
+static void
+cap_ats(struct device *d, int where)
+{
+  u16 w;
+
+  printf("Address Translation Service (ATS)\n");
+  if (!config_fetch(d, where + PCI_ATS_CAP, 4))
+    return;
+
+  w = get_conf_word(d, where + PCI_ATS_CAP);
+  printf("\t\tATSCap:\tInvalidate Queue Depth: %02x\n", PCI_ATS_CAP_IQD(w));
+  w = get_conf_word(d, where + PCI_ATS_CTRL);
+  printf("\t\tATSCtl:\tEnable%c, Smallest Translation Unit: %02x\n",
+       FLAG(w, PCI_ATS_CTRL_ENABLE), PCI_ATS_CTRL_STU(w));
+}
+
 static void
 cap_sriov(struct device *d, int where)
 {
@@ -1694,6 +1710,9 @@ show_ext_caps(struct device *d)
          case PCI_EXT_CAP_ID_ARI:
            cap_ari(d, where);
            break;
+         case PCI_EXT_CAP_ID_ATS:
+           cap_ats(d, where);
+           break;
          case PCI_EXT_CAP_ID_SRIOV:
            cap_sriov(d, where);
            break;