LXR linux/arch/arm64/include/asm/mte-def.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Copyright (C) 2020 ARM Ltd.
   4 */
   5#ifndef __ASM_MTE_DEF_H
   6#define __ASM_MTE_DEF_H
   7
   8#define MTE_GRANULE_SIZE        UL(16)
   9#define MTE_GRANULE_MASK        (~(MTE_GRANULE_SIZE - 1))
  10#define MTE_GRANULES_PER_PAGE   (PAGE_SIZE / MTE_GRANULE_SIZE)
  11#define MTE_TAG_SHIFT           56
  12#define MTE_TAG_SIZE            4
  13#define MTE_TAG_MASK            GENMASK((MTE_TAG_SHIFT + (MTE_TAG_SIZE - 1)), MTE_TAG_SHIFT)
  14
  15#define __MTE_PREAMBLE          ARM64_ASM_PREAMBLE ".arch_extension memtag\n"
  16
  17#endif /* __ASM_MTE_DEF_H  */
  18