1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (c) 2017 Intel Corporation 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun #ifndef _X86_ASM_SCU_IPC_H_ 7*4882a593Smuzhiyun #define _X86_ASM_SCU_IPC_H_ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun /* IPC defines the following message types */ 10*4882a593Smuzhiyun #define IPCMSG_WARM_RESET 0xf0 11*4882a593Smuzhiyun #define IPCMSG_COLD_RESET 0xf1 12*4882a593Smuzhiyun #define IPCMSG_SOFT_RESET 0xf2 13*4882a593Smuzhiyun #define IPCMSG_COLD_BOOT 0xf3 14*4882a593Smuzhiyun #define IPCMSG_GET_FW_REVISION 0xf4 15*4882a593Smuzhiyun #define IPCMSG_WATCHDOG_TIMER 0xf8 /* Set Kernel Watchdog Threshold */ 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun struct ipc_ifwi_version { 18*4882a593Smuzhiyun u16 minor; 19*4882a593Smuzhiyun u8 major; 20*4882a593Smuzhiyun u8 hardware_id; 21*4882a593Smuzhiyun u32 reserved[3]; 22*4882a593Smuzhiyun }; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun /* Issue commands to the SCU with or without data */ 25*4882a593Smuzhiyun int scu_ipc_simple_command(u32 cmd, u32 sub); 26*4882a593Smuzhiyun int scu_ipc_command(u32 cmd, u32 sub, u32 *in, int inlen, u32 *out, int outlen); 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun #endif /* _X86_ASM_SCU_IPC_H_ */ 29