[mirror_ubuntu-jammy-kernel.git] / drivers / firmware / arm_ffa / common.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2021 ARM Ltd.
 */

#ifndef _FFA_COMMON_H
#define _FFA_COMMON_H

#include <linux/arm_ffa.h>
#include <linux/arm-smccc.h>
#include <linux/err.h>

typedef struct arm_smccc_1_2_regs ffa_value_t;

typedef void (ffa_fn)(ffa_value_t, ffa_value_t *);

int arm_ffa_bus_init(void);
void arm_ffa_bus_exit(void);
bool ffa_device_is_valid(struct ffa_device *ffa_dev);
void ffa_device_match_uuid(struct ffa_device *ffa_dev, const uuid_t *uuid);

#ifdef CONFIG_ARM_FFA_SMCCC
int __init ffa_transport_init(ffa_fn **invoke_ffa_fn);
#else
static inline int __init ffa_transport_init(ffa_fn **invoke_ffa_fn)
{
	return -EOPNOTSUPP;
}
#endif

#endif /* _FFA_COMMON_H */
Commit	Line	Data
3bbfe987 SH	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
d0c0bce8	9	#include <linux/arm_ffa.h>
3bbfe987 SH	10	#include <linux/arm-smccc.h>
	11	#include <linux/err.h>
	12
	13	typedef struct arm_smccc_1_2_regs ffa_value_t;
	14
	15	typedef void (ffa_fn)(ffa_value_t, ffa_value_t *);
	16
	17	int arm_ffa_bus_init(void);
	18	void arm_ffa_bus_exit(void);
d0c0bce8 SH	19	bool ffa_device_is_valid(struct ffa_device *ffa_dev);
d0c0bce8 SH	20	void ffa_device_match_uuid(struct ffa_device ffa_dev, const uuid_t uuid);
3bbfe987	21
714be77e SH	22	#ifdef CONFIG_ARM_FFA_SMCCC
	23	int __init ffa_transport_init(ffa_fn **invoke_ffa_fn);
	24	#else
3bbfe987 SH	25	static inline int __init ffa_transport_init(ffa_fn **invoke_ffa_fn)
	26	{
	27	return -EOPNOTSUPP;
	28	}
714be77e	29	#endif
3bbfe987 SH	30
3bbfe987 SH	31	#endif /* _FFA_COMMON_H */