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/*
* Copyright (C) 2012 ARM Ltd.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ASM_MMU_H
#define __ASM_MMU_H
typedef struct {
atomic64_t id;
void *vdso;
} mm_context_t;
/*
* This macro is only used by the TLBI code, which cannot race with an
* ASID change and therefore doesn't need to reload the counter using
* atomic64_read.
*/
#define ASID(mm) ((mm)->context.id.counter & 0xffff)
extern void paging_init_map_mem(void);
extern void paging_init_rest(void);
extern void __iomem *early_io_map(phys_addr_t phys, unsigned long virt);
extern void init_mem_pgprot(void);
extern void create_pgd_mapping(struct mm_struct *mm, phys_addr_t phys,
unsigned long virt, phys_addr_t size,
pgprot_t prot);
extern void *fixmap_remap_fdt(phys_addr_t dt_phys);
#endif