1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright IBM Corp. 2004, 2005 4*4882a593Smuzhiyun * Interface implementation for communication with the z/VM control program 5*4882a593Smuzhiyun * Version 1.0 6*4882a593Smuzhiyun * Author(s): Christian Borntraeger <cborntra@de.ibm.com> 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * z/VMs CP offers the possibility to issue commands via the diagnose code 8 10*4882a593Smuzhiyun * this driver implements a character device that issues these commands and 11*4882a593Smuzhiyun * returns the answer of CP. 12*4882a593Smuzhiyun * 13*4882a593Smuzhiyun * The idea of this driver is based on cpint from Neale Ferguson 14*4882a593Smuzhiyun */ 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #ifndef _UAPI_ASM_VMCP_H 17*4882a593Smuzhiyun #define _UAPI_ASM_VMCP_H 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #include <linux/ioctl.h> 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #define VMCP_GETCODE _IOR(0x10, 1, int) 22*4882a593Smuzhiyun #define VMCP_SETBUF _IOW(0x10, 2, int) 23*4882a593Smuzhiyun #define VMCP_GETSIZE _IOR(0x10, 3, int) 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun #endif /* _UAPI_ASM_VMCP_H */ 26