diff --git a/hw/vmxnet_debug.h b/hw/vmxnet_debug.h
new file mode 100644
index 0000000..96dae0f
--- /dev/null
+++ b/hw/vmxnet_debug.h
@@ -0,0 +1,115 @@
+/*
+ * QEMU VMWARE VMXNET* paravirtual NICs - debugging facilities
+ *
+ * Copyright (c) 2012 Ravello Systems LTD (http://ravellosystems.com)
+ *
+ * Developed by Daynix Computing LTD (http://www.daynix.com)
+ *
+ * Authors:
+ * Dmitry Fleytman <dmitry@daynix.com>
+ * Tamir Shomer <tamirs@daynix.com>
+ * Yan Vugenfirer <yan@daynix.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef _QEMU_VMXNET_DEBUG_H
+#define _QEMU_VMXNET_DEBUG_H
+
+#define VMXNET_DEVICE_NAME "vmxnet3"
+
+/* #define VMXNET_DEBUG_CB */
+#define VMXNET_DEBUG_WARNINGS
+#define VMXNET_DEBUG_ERRORS
+/* #define VMXNET_DEBUG_INTERRUPTS */
+/* #define VMXNET_DEBUG_CONFIG */
+/* #define VMXNET_DEBUG_RINGS */
+/* #define VMXNET_DEBUG_PACKETS */
+/* #define VMXNET_DEBUG_SHMEM_ACCESS */
+
+#ifdef VMXNET_DEBUG_SHMEM_ACCESS
+#define VMW_SHPRN(fmt, ...)                                                   \
+    do {                                                                      \
+        printf("[%s][SH][%s]: " fmt "\n", VMXNET_DEVICE_NAME, __func__,       \
+            ## __VA_ARGS__);                                                  \
+    } while (0)
+#else
+#define VMW_SHPRN(fmt, ...) do {} while (0)
+#endif
+
+#ifdef VMXNET_DEBUG_CB
+#define VMW_CBPRN(fmt, ...)                                                   \
+    do {                                                                      \
+        printf("[%s][CB][%s]: " fmt "\n", VMXNET_DEVICE_NAME, __func__,       \
+            ## __VA_ARGS__);                                                  \
+    } while (0)
+#else
+#define VMW_CBPRN(fmt, ...) do {} while (0)
+#endif
+
+#ifdef VMXNET_DEBUG_PACKETS
+#define VMW_PKPRN(fmt, ...)                                                   \
+    do {                                                                      \
+        printf("[%s][PK][%s]: " fmt "\n", VMXNET_DEVICE_NAME, __func__,       \
+            ## __VA_ARGS__);                                                  \
+    } while (0)
+#else
+#define VMW_PKPRN(fmt, ...) do {} while (0)
+#endif
+
+#ifdef VMXNET_DEBUG_WARNINGS
+#define VMW_WRPRN(fmt, ...)                                                   \
+    do {                                                                      \
+        printf("[%s][WR][%s]: " fmt "\n", VMXNET_DEVICE_NAME, __func__,       \
+            ## __VA_ARGS__);                                                  \
+    } while (0)
+#else
+#define VMW_WRPRN(fmt, ...) do {} while (0)
+#endif
+
+#ifdef VMXNET_DEBUG_ERRORS
+#define VMW_ERPRN(fmt, ...)                                                   \
+    do {                                                                      \
+        printf("[%s][ER][%s]: " fmt "\n", VMXNET_DEVICE_NAME, __func__,       \
+            ## __VA_ARGS__);                                                  \
+    } while (0)
+#else
+#define VMW_ERPRN(fmt, ...) do {} while (0)
+#endif
+
+#ifdef VMXNET_DEBUG_INTERRUPTS
+#define VMW_IRPRN(fmt, ...)                                                   \
+    do {                                                                      \
+        printf("[%s][IR][%s]: " fmt "\n", VMXNET_DEVICE_NAME, __func__,       \
+            ## __VA_ARGS__);                                                  \
+    } while (0)
+#else
+#define VMW_IRPRN(fmt, ...) do {} while (0)
+#endif
+
+#ifdef VMXNET_DEBUG_CONFIG
+#define VMW_CFPRN(fmt, ...)                                                   \
+    do {                                                                      \
+        printf("[%s][CF][%s]: " fmt "\n", VMXNET_DEVICE_NAME, __func__,       \
+            ## __VA_ARGS__);                                                  \
+    } while (0)
+#else
+#define VMW_CFPRN(fmt, ...) do {} while (0)
+#endif
+
+#ifdef VMXNET_DEBUG_RINGS
+#define VMW_RIPRN(fmt, ...)                                                   \
+    do {                                                                      \
+        printf("[%s][RI][%s]: " fmt "\n", VMXNET_DEVICE_NAME, __func__,       \
+            ## __VA_ARGS__);                                                  \
+    } while (0)
+#else
+#define VMW_RIPRN(fmt, ...) do {} while (0)
+#endif
+
+#define VMXNET_MF       "%02X:%02X:%02X:%02X:%02X:%02X"
+#define VMXNET_MA(a)    (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
+
+#endif /* _QEMU_VMXNET3_DEBUG_H  */