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 _UAPI_ASM_VMCP_H 17 #define _UAPI_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 /* _UAPI_ASM_VMCP_H */ 26