d475f942b1
Add a character misc device "sclp_ctl" that allows to run SCCBs from user space using the SCLP_CTL_SCCB ioctl. Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
24 lines
402 B
C
24 lines
402 B
C
/*
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* IOCTL interface for SCLP
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*
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* Copyright IBM Corp. 2012
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*
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* Author: Michael Holzheu <holzheu@linux.vnet.ibm.com>
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*/
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#ifndef _ASM_SCLP_CTL_H
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#define _ASM_SCLP_CTL_H
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#include <linux/types.h>
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struct sclp_ctl_sccb {
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__u32 cmdw;
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__u64 sccb;
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} __attribute__((packed));
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#define SCLP_CTL_IOCTL_MAGIC 0x10
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#define SCLP_CTL_SCCB \
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_IOWR(SCLP_CTL_IOCTL_MAGIC, 0x10, struct sclp_ctl_sccb)
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#endif
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