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 */
32