--- /dev/null
+#ifndef _VX_SWITCH_H
+#define _VX_SWITCH_H
+
+#include <linux/types.h>
+
+#define VC_CATEGORY(c) (((c) >> 24) & 0x3F)
+#define VC_COMMAND(c) (((c) >> 16) & 0xFF)
+#define VC_VERSION(c) ((c) & 0xFFF)
+
+#define VC_CMD(c,i,v) ((((VC_CAT_ ## c) & 0x3F) << 24) \
+ | (((i) & 0xFF) << 16) | ((v) & 0xFFF))
+
+/*
+
+ Syscall Matrix V2.8
+
+ |VERSION|CREATE |MODIFY |MIGRATE|CONTROL|EXPERIM| |SPECIAL|SPECIAL|
+ |STATS |DESTROY|ALTER |CHANGE |LIMIT |TEST | | | |
+ |INFO |SETUP | |MOVE | | | | | |
+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
+ SYSTEM |VERSION|VSETUP |VHOST | | | | |DEVICES| |
+ HOST | 00| 01| 02| 03| 04| 05| | 06| 07|
+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
+ CPU | |VPROC |PROCALT|PROCMIG|PROCTRL| | |SCHED. | |
+ PROCESS| 08| 09| 10| 11| 12| 13| | 14| 15|
+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
+ MEMORY | | | | | | | |SWAP | |
+ | 16| 17| 18| 19| 20| 21| | 22| 23|
+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
+ NETWORK| |VNET |NETALT |NETMIG |NETCTL | | |SERIAL | |
+ | 24| 25| 26| 27| 28| 29| | 30| 31|
+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
+ DISK | | | | |DLIMIT | | |INODE | |
+ VFS | 32| 33| 34| 35| 36| 37| | 38| 39|
+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
+ OTHER | | | | | | | |VINFO | |
+ | 40| 41| 42| 43| 44| 45| | 46| 47|
+ =======+=======+=======+=======+=======+=======+=======+ +=======+=======+
+ SPECIAL|EVENT | | | |FLAGS | | | | |
+ | 48| 49| 50| 51| 52| 53| | 54| 55|
+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
+ SPECIAL|DEBUG | | | |RLIMIT |SYSCALL| | |COMPAT |
+ | 56| 57| 58| 59| 60|TEST 61| | 62| 63|
+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
+
+*/
+
+#define VC_CAT_VERSION 0
+
+#define VC_CAT_VSETUP 1
+#define VC_CAT_VHOST 2
+
+#define VC_CAT_VPROC 9
+#define VC_CAT_PROCALT 10
+#define VC_CAT_PROCMIG 11
+#define VC_CAT_PROCTRL 12
+
+#define VC_CAT_SCHED 14
+
+#define VC_CAT_VNET 25
+#define VC_CAT_NETALT 26
+#define VC_CAT_NETMIG 27
+#define VC_CAT_NETCTRL 28
+
+#define VC_CAT_DLIMIT 36
+#define VC_CAT_INODE 38
+
+#define VC_CAT_VINFO 46
+#define VC_CAT_EVENT 48
+
+#define VC_CAT_FLAGS 52
+#define VC_CAT_DEBUG 56
+#define VC_CAT_RLIMIT 60
+
+#define VC_CAT_SYSTEST 61
+#define VC_CAT_COMPAT 63
+
+/* interface version */
+
+#define VCI_VERSION 0x00020001
+#define VCI_LEGACY_VERSION 0x000100FF
+
+/* query version */
+
+#define VCMD_get_version VC_CMD(VERSION, 0, 0)
+
+
+#ifdef __KERNEL__
+
+#include <linux/errno.h>
+
+
+#else /* __KERNEL__ */
+#define __user
+#endif /* __KERNEL__ */
+
+#endif /* _VX_SWITCH_H */