130d621f6SSteven Price /* SPDX-License-Identifier: GPL-2.0 */ 230d621f6SSteven Price 330d621f6SSteven Price #ifndef _LINUX_PTDUMP_H 430d621f6SSteven Price #define _LINUX_PTDUMP_H 530d621f6SSteven Price 630d621f6SSteven Price #include <linux/mm_types.h> 730d621f6SSteven Price 830d621f6SSteven Price struct ptdump_range { 930d621f6SSteven Price unsigned long start; 1030d621f6SSteven Price unsigned long end; 1130d621f6SSteven Price }; 1230d621f6SSteven Price 1330d621f6SSteven Price struct ptdump_state { 14f8f0d0b6SSteven Price /* level is 0:PGD to 4:PTE, or -1 if unknown */ 1530d621f6SSteven Price void (*note_page)(struct ptdump_state *st, unsigned long addr, 1699395ee3SSteven Price int level, u64 val); 171494e0c3SSteven Price void (*effective_prot)(struct ptdump_state *st, int level, u64 val); 1830d621f6SSteven Price const struct ptdump_range *range; 1930d621f6SSteven Price }; 2030d621f6SSteven Price 21e47690d7SSteven Price void ptdump_walk_pgd(struct ptdump_state *st, struct mm_struct *mm, pgd_t *pgd); 2230d621f6SSteven Price 2330d621f6SSteven Price #endif /* _LINUX_PTDUMP_H */ 24