linux-stable/arch/s390/include/uapi/asm/clp.h
Martin Schwidefsky 988b86e69d s390/pci: add ioctl interface for CLP
Provide a user space interface to issue call logical-processor instructions.
Only selected CLP commands are allowed, enough to get the full overview of
the installed PCI functions.

Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2016-03-07 16:54:32 +01:00

28 lines
486 B
C

/*
* ioctl interface for /dev/clp
*
* Copyright IBM Corp. 2016
* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
*/
#ifndef _ASM_CLP_H
#define _ASM_CLP_H
#include <linux/types.h>
#include <linux/ioctl.h>
struct clp_req {
unsigned int c : 1;
unsigned int r : 1;
unsigned int lps : 6;
unsigned int cmd : 8;
unsigned int : 16;
unsigned int reserved;
__u64 data_p;
};
#define CLP_IOCTL_MAGIC 'c'
#define CLP_SYNC _IOWR(CLP_IOCTL_MAGIC, 0xC1, struct clp_req)
#endif