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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
*
* (C) COPYRIGHT 2015, 2020-2022 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 license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you can access it online at
* http://www.gnu.org/licenses/gpl-2.0.html.
*
*/
#ifndef _KBASE_SMC_H_
#define _KBASE_SMC_H_
#if IS_ENABLED(CONFIG_ARM64)
#include <mali_kbase.h>
#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 - 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_ */
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