From: Yu Zhao <yu.zhao@intel.com>
Date: Mon, 10 Nov 2008 11:24:55 +0000 (+0100)
Subject: Added dumping of the Address Translation Services capability.
X-Git-Tag: v3.1-alpha1~20
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=be697708d805c44a03d47279a23bbe08939f6d4f;p=pciutils.git

Added dumping of the Address Translation Services capability.
---

diff --git a/lib/header.h b/lib/header.h
index aa163a0..4e84f07 100644
--- 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 ddedb42..6413451 100644
--- 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;