LXR linux/arch/arm64/include/asm/mmu.h

   1/*
   2 * Copyright (C) 2012 ARM Ltd.
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License version 2 as
   6 * published by the Free Software Foundation.
   7 *
   8 * This program is distributed in the hope that it will be useful,
   9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 * GNU General Public License for more details.
  12 *
  13 * You should have received a copy of the GNU General Public License
  14 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15 */
  16#ifndef __ASM_MMU_H
  17#define __ASM_MMU_H
  18
  19typedef struct {
  20        unsigned int id;
  21        raw_spinlock_t id_lock;
  22        void *vdso;
  23} mm_context_t;
  24
  25#define ASID(mm)        ((mm)->context.id & 0xffff)
  26
  27extern void paging_init(void);
  28extern void setup_mm_for_reboot(void);
  29extern void __iomem *early_io_map(phys_addr_t phys, unsigned long virt);
  30
  31#endif
  32