Improved listing of vendor-specific information

1 files changed, 21 insertions, 15 deletions

diff --git a/ls-caps-vendor.c b/ls-caps-vendor.c
index 4cdfe22..dc24f90 100644
--- a/ls-caps-vendor.c
+++ b/ls-caps-vendor.c
@@ -11,7 +11,7 @@
 
 #include "lspci.h"
 
-static void
+static int
 show_vendor_caps_virtio(struct device *d, int where, int cap)
 {
   int length = BITS(cap, 0, 8);
@@ -19,9 +19,9 @@ show_vendor_caps_virtio(struct device *d, int where, int cap)
   char *tname;
 
   if (length < 16)
-    return;
+    return 0;
   if (!config_fetch(d, where, length))
-    return;
+    return 0;
 
   switch (type)
     {
@@ -45,32 +45,38 @@ show_vendor_caps_virtio(struct device *d, int where, int cap)
   printf("VirtIO: %s\n", tname);
 
   if (verbose < 2)
-    return;
+    return 1;
 
-  printf("\t\tBAR=%d offset=%08x size=%08x\n",
+  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)
-    return;
+  if (type == 2 && length >= 20)
+    printf(" multiplier=%08x", get_conf_long(d, where+16));
 
-  printf("\t\tmultiplier=%08x\n",
-	 get_conf_long(d, where+16));
+  printf("\n");
+  return 1;
 }
 
-void
-show_vendor_caps(struct device *d, int where, int cap)
+static int
+do_show_vendor_caps(struct device *d, int where, int cap)
 {
   switch (get_conf_word(d, PCI_VENDOR_ID))
     {
     case 0x1af4: /* Red Hat */
       if (get_conf_word(d, PCI_DEVICE_ID) >= 0x1000 &&
 	  get_conf_word(d, PCI_DEVICE_ID) <= 0x107f)
-	show_vendor_caps_virtio(d, where, cap);
-      break;
-    default:
-      printf("Vendor Specific Information: Len=%02x <?>\n", BITS(cap, 0, 8));
+	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));
 }