1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * (C) COPYRIGHT 2015, 2020-2022 ARM Limited. All rights reserved. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * This program is free software and is provided to you under the terms of the 7*4882a593Smuzhiyun * GNU General Public License version 2 as published by the Free Software 8*4882a593Smuzhiyun * Foundation, and any use by you of this program is subject to the terms 9*4882a593Smuzhiyun * of such GNU license. 10*4882a593Smuzhiyun * 11*4882a593Smuzhiyun * This program is distributed in the hope that it will be useful, 12*4882a593Smuzhiyun * but WITHOUT ANY WARRANTY; without even the implied warranty of 13*4882a593Smuzhiyun * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*4882a593Smuzhiyun * GNU General Public License for more details. 15*4882a593Smuzhiyun * 16*4882a593Smuzhiyun * You should have received a copy of the GNU General Public License 17*4882a593Smuzhiyun * along with this program; if not, you can access it online at 18*4882a593Smuzhiyun * http://www.gnu.org/licenses/gpl-2.0.html. 19*4882a593Smuzhiyun * 20*4882a593Smuzhiyun */ 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun #ifndef _KBASE_SMC_H_ 23*4882a593Smuzhiyun #define _KBASE_SMC_H_ 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_ARM64) 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun #include <mali_kbase.h> 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #define SMC_FAST_CALL (1 << 31) 30*4882a593Smuzhiyun #define SMC_64 (1 << 30) 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #define SMC_OEN_OFFSET 24 33*4882a593Smuzhiyun #define SMC_OEN_MASK (0x3F << SMC_OEN_OFFSET) /* 6 bits */ 34*4882a593Smuzhiyun #define SMC_OEN_SIP (2 << SMC_OEN_OFFSET) 35*4882a593Smuzhiyun #define SMC_OEN_STD (4 << SMC_OEN_OFFSET) 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun /** 39*4882a593Smuzhiyun * kbase_invoke_smc_fid - Perform a secure monitor call 40*4882a593Smuzhiyun * @fid: The SMC function to call, see SMC Calling convention. 41*4882a593Smuzhiyun * @arg0: First argument to the SMC. 42*4882a593Smuzhiyun * @arg1: Second argument to the SMC. 43*4882a593Smuzhiyun * @arg2: Third argument to the SMC. 44*4882a593Smuzhiyun * 45*4882a593Smuzhiyun * See SMC Calling Convention for details. 46*4882a593Smuzhiyun * 47*4882a593Smuzhiyun * Return: the return value from the SMC. 48*4882a593Smuzhiyun */ 49*4882a593Smuzhiyun u64 kbase_invoke_smc_fid(u32 fid, u64 arg0, u64 arg1, u64 arg2); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun /** 52*4882a593Smuzhiyun * kbase_invoke_smc - Perform a secure monitor call 53*4882a593Smuzhiyun * @oen: Owning Entity number (SIP, STD etc). 54*4882a593Smuzhiyun * @function_number: The function number within the OEN. 55*4882a593Smuzhiyun * @smc64: use SMC64 calling convention instead of SMC32. 56*4882a593Smuzhiyun * @arg0: First argument to the SMC. 57*4882a593Smuzhiyun * @arg1: Second argument to the SMC. 58*4882a593Smuzhiyun * @arg2: Third argument to the SMC. 59*4882a593Smuzhiyun * 60*4882a593Smuzhiyun * See SMC Calling Convention for details. 61*4882a593Smuzhiyun * 62*4882a593Smuzhiyun * Return: the return value from the SMC call. 63*4882a593Smuzhiyun */ 64*4882a593Smuzhiyun u64 kbase_invoke_smc(u32 oen, u16 function_number, bool smc64, 65*4882a593Smuzhiyun u64 arg0, u64 arg1, u64 arg2); 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun #endif /* CONFIG_ARM64 */ 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun #endif /* _KBASE_SMC_H_ */ 70