1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 2/*
 3 * Copyright IBM Corp. 2004, 2005
 4 * Interface implementation for communication with the z/VM control program
 5 * Version 1.0
 6 * Author(s): Christian Borntraeger <cborntra@de.ibm.com>
 7 *
 8 *
 9 * z/VMs CP offers the possibility to issue commands via the diagnose code 8
10 * this driver implements a character device that issues these commands and
11 * returns the answer of CP.
12 *
13 * The idea of this driver is based on cpint from Neale Ferguson
14 */
15
16#ifndef _ASM_VMCP_H
17#define _ASM_VMCP_H
18
19#include <linux/ioctl.h>
20
21#define VMCP_GETCODE	_IOR(0x10, 1, int)
22#define VMCP_SETBUF	_IOW(0x10, 2, int)
23#define VMCP_GETSIZE	_IOR(0x10, 3, int)
24
25#endif /* _ASM_VMCP_H */