xref: /OK3568_Linux_fs/kernel/arch/s390/include/uapi/asm/sclp_ctl.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * IOCTL interface for SCLP
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright IBM Corp. 2012
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * Author: Michael Holzheu <holzheu@linux.vnet.ibm.com>
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #ifndef _ASM_SCLP_CTL_H
11*4882a593Smuzhiyun #define _ASM_SCLP_CTL_H
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #include <linux/types.h>
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun struct sclp_ctl_sccb {
16*4882a593Smuzhiyun 	__u32	cmdw;
17*4882a593Smuzhiyun 	__u64	sccb;
18*4882a593Smuzhiyun } __attribute__((packed));
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #define SCLP_CTL_IOCTL_MAGIC 0x10
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #define SCLP_CTL_SCCB \
23*4882a593Smuzhiyun 	_IOWR(SCLP_CTL_IOCTL_MAGIC, 0x10, struct sclp_ctl_sccb)
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #endif
26