// SPDX-License-Identifier: GPL-2.0-only
/*
 * HYGON Platform Security Processor (PSP) interface
 *
 * Copyright (C) 2024 Hygon Info Technologies Ltd.
 *
 * Author: Liyang Han <hanliyang@hygon.cn>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/psp-hygon.h>

#include "psp-dev.h"

/* Function and variable pointers for hooks */
struct hygon_psp_hooks_table hygon_psp_hooks;

int fixup_hygon_psp_caps(struct psp_device *psp)
{
	/* the hygon psp is unavailable if bit0 is cleared in feature reg */
	if (!(psp->capability & PSP_CAPABILITY_SEV))
		return -ENODEV;

	psp->capability &= ~(PSP_CAPABILITY_TEE |
			     PSP_CAPABILITY_PSP_SECURITY_REPORTING);
	return 0;
}