18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci* Filename: rsxx.h 48c2ecf20Sopenharmony_ci* 58c2ecf20Sopenharmony_ci* Authors: Joshua Morris <josh.h.morris@us.ibm.com> 68c2ecf20Sopenharmony_ci* Philip Kelleher <pjk1939@linux.vnet.ibm.com> 78c2ecf20Sopenharmony_ci* 88c2ecf20Sopenharmony_ci* (C) Copyright 2013 IBM Corporation 98c2ecf20Sopenharmony_ci*/ 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#ifndef __RSXX_H__ 128c2ecf20Sopenharmony_ci#define __RSXX_H__ 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ci/*----------------- IOCTL Definitions -------------------*/ 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci#define RSXX_MAX_DATA 8 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_cistruct rsxx_reg_access { 198c2ecf20Sopenharmony_ci __u32 addr; 208c2ecf20Sopenharmony_ci __u32 cnt; 218c2ecf20Sopenharmony_ci __u32 stat; 228c2ecf20Sopenharmony_ci __u32 stream; 238c2ecf20Sopenharmony_ci __u32 data[RSXX_MAX_DATA]; 248c2ecf20Sopenharmony_ci}; 258c2ecf20Sopenharmony_ci 268c2ecf20Sopenharmony_ci#define RSXX_MAX_REG_CNT (RSXX_MAX_DATA * (sizeof(__u32))) 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_ci#define RSXX_IOC_MAGIC 'r' 298c2ecf20Sopenharmony_ci 308c2ecf20Sopenharmony_ci#define RSXX_GETREG _IOWR(RSXX_IOC_MAGIC, 0x20, struct rsxx_reg_access) 318c2ecf20Sopenharmony_ci#define RSXX_SETREG _IOWR(RSXX_IOC_MAGIC, 0x21, struct rsxx_reg_access) 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_ci#endif /* __RSXX_H_ */ 34