| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | |
| 3 | #ifndef _LINUX_PTDUMP_H |
| 4 | #define _LINUX_PTDUMP_H |
| 5 | |
| 6 | #include <linux/mm_types.h> |
| 7 | |
| 8 | struct ptdump_range { |
| 9 | unsigned long start; |
| 10 | unsigned long end; |
| 11 | }; |
| 12 | |
| 13 | struct ptdump_state { |
| 14 | /* level is 0:PGD to 4:PTE, or -1 if unknown */ |
| 15 | void (*note_page)(struct ptdump_state *st, unsigned long addr, |
| 16 | int level, u64 val); |
| 17 | void (*effective_prot)(struct ptdump_state *st, int level, u64 val); |
| 18 | const struct ptdump_range *range; |
| 19 | }; |
| 20 | |
| 21 | void ptdump_walk_pgd(struct ptdump_state *st, struct mm_struct *mm, pgd_t *pgd); |
| 22 | |
| 23 | #endif /* _LINUX_PTDUMP_H */ |