diff --git a/src/pci.zig b/src/pci.zig
index bd124ee..3ce4ae8 100644
--- a/src/pci.zig
+++ b/src/pci.zig
@@ -24,7 +24,7 @@ pub const PciDevice = struct {
 
     pub fn init(bus: u8, slot: u5, function: u3) ?PciDevice {
         var dev = PciDevice{ .bus = bus, .slot = slot, .function = function };
-        dev.vendor = dev.config_read(u16, 0);
+        dev.vendor = dev.vendor();
         if (dev.vendor == 0xffff) return null;
         return dev;
     }
@@ -65,7 +65,20 @@ pub const PciDevice = struct {
         return null;
     }
 
-    // all pci device must implement these
+    // 0                   1                   2                   3
+    // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+    // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+    // |           vendor ID           |           device ID           |
+    // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+    // |            command            |             status            |
+    // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+    // |  revision ID  |    prog IF    |    subclass   |     class     |
+    // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+    // |cache line size| latency timer |   header type |      bist     |
+    // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+    pub fn vendor(self: PciDevice) u16 {
+        return self.config_read(u16, 0x0);
+    }
     pub fn device(self: PciDevice) u16 {
         return self.config_read(u16, 0x2);
     }
diff --git a/src/virtio.zig b/src/virtio.zig
index 3c4e3d8..8c82989 100644
--- a/src/virtio.zig
+++ b/src/virtio.zig
@@ -1,6 +1,4 @@
-usingnamespace @import("vga.zig");
-usingnamespace @import("pci.zig");
-const assert = @import("std").debug.assert;
+usingnamespace @import("kernel");
 
 pub fn init(pci: PciDevice) void {
     println("-- virtio-block init --");
@@ -11,11 +9,14 @@ pub fn init(pci: PciDevice) void {
     const intr_pin = pci.config_read(u8, 0x3d);
     const min_grant = pci.config_read(u8, 0x3e);
     const max_lat = pci.config_read(u8, 0x3f);
+
     println("{x} {} {} {}", intr_line, intr_pin, min_grant, max_lat);
-    println("bar0=0x{x}", pci.config_read(u32, 0x10));
-    println("bar1=0x{x}", pci.config_read(u32, 0x14));
-    println("bar2=0x{x}", pci.config_read(u32, 0x18));
-    println("bar3=0x{x}", pci.config_read(u32, 0x1c));
-    println("bar4=0x{x}", pci.config_read(u32, 0x20));
-    println("bar5=0x{x}", pci.config_read(u32, 0x24));
+    println("dev features  =0x{x}", pci.config_read(u32, 0x10));
+    println("guest features=0x{x}", pci.config_read(u32, 0x14));
+    println("queue addr    =0x{x}", pci.config_read(u32, 0x18));
+    println("queue size    =0x{x}", pci.config_read(u16, 0x1c));
+    println("queue select  =0x{x}", pci.config_read(u16, 0x1e));
+    println("queue notify  =0x{x}", pci.config_read(u16, 0x20));
+    println("device status =0x{x}", pci.config_read(u8, 0x22));
+    println("isr status    =0x{x}", pci.config_read(u8, 0x23));
 }