common.h (708B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright (C) 2021 ARM Ltd. 4 */ 5 6#ifndef _FFA_COMMON_H 7#define _FFA_COMMON_H 8 9#include <linux/arm_ffa.h> 10#include <linux/arm-smccc.h> 11#include <linux/err.h> 12 13typedef struct arm_smccc_1_2_regs ffa_value_t; 14 15typedef void (ffa_fn)(ffa_value_t, ffa_value_t *); 16 17int arm_ffa_bus_init(void); 18void arm_ffa_bus_exit(void); 19bool ffa_device_is_valid(struct ffa_device *ffa_dev); 20void ffa_device_match_uuid(struct ffa_device *ffa_dev, const uuid_t *uuid); 21 22#ifdef CONFIG_ARM_FFA_SMCCC 23int __init ffa_transport_init(ffa_fn **invoke_ffa_fn); 24#else 25static inline int __init ffa_transport_init(ffa_fn **invoke_ffa_fn) 26{ 27 return -EOPNOTSUPP; 28} 29#endif 30 31#endif /* _FFA_COMMON_H */