projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 4f04d8f0 CM |
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 | ||
| 19 | typedef struct { | |
| 5aec715d WD |
20 | atomic64_t id; |
| 21 | void *vdso; | |
| 4f04d8f0 CM |
22 | } mm_context_t; |
| 23 | ||
| 5aec715d WD |
24 | /* |
| 25 | * This macro is only used by the TLBI code, which cannot race with an | |
| 26 | * ASID change and therefore doesn't need to reload the counter using | |
| 27 | * atomic64_read. | |
| 28 | */ | |
| 29 | #define ASID(mm) ((mm)->context.id.counter & 0xffff) | |
| 4f04d8f0 CM |
30 | |
| 31 | extern void paging_init(void); | |
| 3194ac6e | 32 | extern void bootmem_init(void); |
| 2475ff9d | 33 | extern void __iomem *early_io_map(phys_addr_t phys, unsigned long virt); |
| 0bf757c7 | 34 | extern void init_mem_pgprot(void); |
| 8ce837ce AB |
35 | extern void create_pgd_mapping(struct mm_struct *mm, phys_addr_t phys, |
| 36 | unsigned long virt, phys_addr_t size, | |
| 37 | pgprot_t prot); | |
| 61bd93ce | 38 | extern void *fixmap_remap_fdt(phys_addr_t dt_phys); |
| 4f04d8f0 CM |
39 | |
| 40 | #endif |