/* * * (C) COPYRIGHT 2015 ARM Limited. All rights reserved. * * This program is free software and is provided to you under the terms of the * GNU General Public License version 2 as published by the Free Software * Foundation, and any use by you of this program is subject to the terms * of such GNU licence. * * A copy of the licence is included with the program, and can also be obtained * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. * */ #ifndef _KBASE_SMC_H_ #define _KBASE_SMC_H_ #ifdef CONFIG_ARM64 #include #define SMC_FAST_CALL (1 << 31) #define SMC_64 (1 << 30) #define SMC_OEN_OFFSET 24 #define SMC_OEN_MASK (0x3F << SMC_OEN_OFFSET) /* 6 bits */ #define SMC_OEN_SIP (2 << SMC_OEN_OFFSET) #define SMC_OEN_STD (4 << SMC_OEN_OFFSET) /** * kbase_invoke_smc_fid - Perform a secure monitor call * @fid: The SMC function to call, see SMC Calling convention. * @arg0: First argument to the SMC. * @arg1: Second argument to the SMC. * @arg2: Third argument to the SMC. * * See SMC Calling Convention for details. * * Return: the return value from the SMC. */ u64 kbase_invoke_smc_fid(u32 fid, u64 arg0, u64 arg1, u64 arg2); /** * kbase_invoke_smc_fid - Perform a secure monitor call * @oen: Owning Entity number (SIP, STD etc). * @function_number: The function number within the OEN. * @smc64: use SMC64 calling convention instead of SMC32. * @arg0: First argument to the SMC. * @arg1: Second argument to the SMC. * @arg2: Third argument to the SMC. * * See SMC Calling Convention for details. * * Return: the return value from the SMC call. */ u64 kbase_invoke_smc(u32 oen, u16 function_number, bool smc64, u64 arg0, u64 arg1, u64 arg2); #endif /* CONFIG_ARM64 */ #endif /* _KBASE_SMC_H_ */