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