platform-access.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * AMD Platform Security Processor (PSP) Platform Access interface
 *
 * Copyright (C) 2023 Advanced Micro Devices, Inc.
 *
 * Author: Mario Limonciello <[email protected]>
 */

#ifndef __PSP_PLATFORM_ACCESS_H__
#define __PSP_PLATFORM_ACCESS_H__

#include <linux/device.h>
#include <linux/miscdevice.h>
#include <linux/mutex.h>
#include <linux/psp-platform-access.h>

#include "psp-dev.h"

struct psp_platform_access_device {
	struct device *dev;
	struct psp_device *psp;

	struct platform_access_vdata *vdata;

	struct mutex mailbox_mutex;
	struct mutex doorbell_mutex;

	void *platform_access_data;
};

void platform_access_dev_destroy(struct psp_device *psp);
int platform_access_dev_init(struct psp_device *psp);

#endif /* __PSP_PLATFORM_ACCESS_H__ */