linux/linux-5.4.31/drivers/block/rsxx/rsxx.h

34 lines
705 B
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Filename: rsxx.h
*
* Authors: Joshua Morris <josh.h.morris@us.ibm.com>
* Philip Kelleher <pjk1939@linux.vnet.ibm.com>
*
* (C) Copyright 2013 IBM Corporation
*/
#ifndef __RSXX_H__
#define __RSXX_H__
/*----------------- IOCTL Definitions -------------------*/
#define RSXX_MAX_DATA 8
struct rsxx_reg_access {
__u32 addr;
__u32 cnt;
__u32 stat;
__u32 stream;
__u32 data[RSXX_MAX_DATA];
};
#define RSXX_MAX_REG_CNT (RSXX_MAX_DATA * (sizeof(__u32)))
#define RSXX_IOC_MAGIC 'r'
#define RSXX_GETREG _IOWR(RSXX_IOC_MAGIC, 0x20, struct rsxx_reg_access)
#define RSXX_SETREG _IOWR(RSXX_IOC_MAGIC, 0x21, struct rsxx_reg_access)
#endif /* __RSXX_H_ */