/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2020 ARM Ltd.
 */
#ifndef __ASM_MTE_DEF_H
#define __ASM_MTE_DEF_H

#define MTE_GRANULE_SIZE        UL(16)
#define MTE_GRANULE_MASK        (~(MTE_GRANULE_SIZE - 1))
#define MTE_GRANULES_PER_PAGE   (PAGE_SIZE / MTE_GRANULE_SIZE)
#define MTE_TAG_SHIFT           56
#define MTE_TAG_SIZE            4
#define MTE_TAG_MASK            GENMASK((MTE_TAG_SHIFT + (MTE_TAG_SIZE - 1)), MTE_TAG_SHIFT)
#define MTE_PAGE_TAG_STORAGE    (MTE_GRANULES_PER_PAGE * MTE_TAG_SIZE / 8)

#define __MTE_PREAMBLE          ARM64_ASM_PREAMBLE ".arch_extension memtag\n"

#endif /* __ASM_MTE_DEF_H  */