xref: /linux/arch/s390/include/uapi/asm/vmcp.h (revision ef267938f07197fc011e3aada67ac70a3c65c2ff)
1*ef267938SHeiko Carstens /*
2*ef267938SHeiko Carstens  * Copyright IBM Corp. 2004, 2005
3*ef267938SHeiko Carstens  * Interface implementation for communication with the z/VM control program
4*ef267938SHeiko Carstens  * Version 1.0
5*ef267938SHeiko Carstens  * Author(s): Christian Borntraeger <cborntra@de.ibm.com>
6*ef267938SHeiko Carstens  *
7*ef267938SHeiko Carstens  *
8*ef267938SHeiko Carstens  * z/VMs CP offers the possibility to issue commands via the diagnose code 8
9*ef267938SHeiko Carstens  * this driver implements a character device that issues these commands and
10*ef267938SHeiko Carstens  * returns the answer of CP.
11*ef267938SHeiko Carstens  *
12*ef267938SHeiko Carstens  * The idea of this driver is based on cpint from Neale Ferguson
13*ef267938SHeiko Carstens  */
14*ef267938SHeiko Carstens 
15*ef267938SHeiko Carstens #ifndef _UAPI_ASM_VMCP_H
16*ef267938SHeiko Carstens #define _UAPI_ASM_VMCP_H
17*ef267938SHeiko Carstens 
18*ef267938SHeiko Carstens #include <linux/ioctl.h>
19*ef267938SHeiko Carstens 
20*ef267938SHeiko Carstens #define VMCP_GETCODE	_IOR(0x10, 1, int)
21*ef267938SHeiko Carstens #define VMCP_SETBUF	_IOW(0x10, 2, int)
22*ef267938SHeiko Carstens #define VMCP_GETSIZE	_IOR(0x10, 3, int)
23*ef267938SHeiko Carstens 
24*ef267938SHeiko Carstens #endif /* _UAPI_ASM_VMCP_H */
25