/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2024 Loongson Technology Corporation Limited
 */

#ifndef _ASM_LOONGARCH_SET_MEMORY_H
#define _ASM_LOONGARCH_SET_MEMORY_H

/*
 * Functions to change memory attributes.
 */
int set_memory_x(unsigned long addr, int numpages);
int set_memory_nx(unsigned long addr, int numpages);
int set_memory_ro(unsigned long addr, int numpages);
int set_memory_rw(unsigned long addr, int numpages);

bool kernel_page_present(struct page *page);
int set_direct_map_default_noflush(struct page *page);
int set_direct_map_invalid_noflush(struct page *page);
int set_direct_map_valid_noflush(struct page *page, unsigned nr, bool valid);

#endif /* _ASM_LOONGARCH_SET_MEMORY_H */