xref: /openbmc/linux/arch/s390/include/uapi/asm/vmcp.h (revision e639c869)
1 /*
2  * Copyright IBM Corp. 2004, 2005
3  * Interface implementation for communication with the z/VM control program
4  * Version 1.0
5  * Author(s): Christian Borntraeger <cborntra@de.ibm.com>
6  *
7  *
8  * z/VMs CP offers the possibility to issue commands via the diagnose code 8
9  * this driver implements a character device that issues these commands and
10  * returns the answer of CP.
11  *
12  * The idea of this driver is based on cpint from Neale Ferguson
13  */
14 
15 #ifndef _UAPI_ASM_VMCP_H
16 #define _UAPI_ASM_VMCP_H
17 
18 #include <linux/ioctl.h>
19 
20 #define VMCP_GETCODE	_IOR(0x10, 1, int)
21 #define VMCP_SETBUF	_IOW(0x10, 2, int)
22 #define VMCP_GETSIZE	_IOR(0x10, 3, int)
23 
24 #endif /* _UAPI_ASM_VMCP_H */
25