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