1 files changed, 84 insertions, 0 deletions
diff --git a/ls-caps-vendor.c b/ls-caps-vendor.c
new file mode 100644
index 0000000..62ee586
--- /dev/null
+++ b/ls-caps-vendor.c
@@ -0,0 +1,84 @@
+/*
+ *	The PCI Utilities -- Show Vendor-specific Capabilities
+ *
+ *	Copyright (c) 2014 Gerd Hoffmann <kraxel@redhat.com>
+ *
+ *	Can be freely distributed and used under the terms of the GNU GPL v2+.
+ *
+ *	SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "lspci.h"
+
+static int
+show_vendor_caps_virtio(struct device *d, int where, int cap)
+{
+  int length = BITS(cap, 0, 8);
+  int type = BITS(cap, 8, 8);
+  char *tname;
+
+  if (length < 16)
+    return 0;
+  if (!config_fetch(d, where, length))
+    return 0;
+
+  switch (type)
+    {
+    case 1:
+      tname = "CommonCfg";
+      break;
+    case 2:
+      tname = "Notify";
+      break;
+    case 3:
+      tname = "ISR";
+      break;
+    case 4:
+      tname = "DeviceCfg";
+      break;
+    default:
+      tname = "<unknown>";
+      break;
+    }
+
+  printf("VirtIO: %s\n", tname);
+
+  if (verbose < 2)
+    return 1;
+
+  printf("\t\tBAR=%d offset=%08x size=%08x",
+	 get_conf_byte(d, where +  4),
+	 get_conf_long(d, where +  8),
+	 get_conf_long(d, where + 12));
+
+  if (type == 2 && length >= 20)
+    printf(" multiplier=%08x", get_conf_long(d, where+16));
+
+  printf("\n");
+  return 1;
+}
+
+static int
+do_show_vendor_caps(struct device *d, int where, int cap)
+{
+  switch (d->dev->vendor_id)
+    {
+    case 0x1af4: /* Red Hat */
+      if (d->dev->device_id >= 0x1000 &&
+	  d->dev->device_id <= 0x107f)
+	return show_vendor_caps_virtio(d, where, cap);
+      break;
+    }
+  return 0;
+}
+
+void
+show_vendor_caps(struct device *d, int where, int cap)
+{
+  printf("Vendor Specific Information: ");
+  if (!do_show_vendor_caps(d, where, cap))
+    printf("Len=%02x <?>\n", BITS(cap, 0, 8));
+}