Contributors: 10
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Laura Abbott |
170 |
37.53% |
3 |
17.65% |
| Anshuman Khandual |
79 |
17.44% |
3 |
17.65% |
| Steven Price |
72 |
15.89% |
2 |
11.76% |
| Mark Rutland |
68 |
15.01% |
2 |
11.76% |
| Sebastian Ene |
45 |
9.93% |
2 |
11.76% |
| Ard Biesheuvel |
10 |
2.21% |
1 |
5.88% |
| Kefeng Wang |
4 |
0.88% |
1 |
5.88% |
| Thomas Gleixner |
2 |
0.44% |
1 |
5.88% |
| Greg Kroah-Hartman |
2 |
0.44% |
1 |
5.88% |
| JiSheng Zhang |
1 |
0.22% |
1 |
5.88% |
| Total |
453 |
|
17 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2014 ARM Ltd.
*/
#ifndef __ASM_PTDUMP_H
#define __ASM_PTDUMP_H
#include <linux/ptdump.h>
#ifdef CONFIG_PTDUMP
#include <linux/mm_types.h>
#include <linux/seq_file.h>
struct addr_marker {
unsigned long start_address;
char *name;
};
struct ptdump_info {
struct mm_struct *mm;
const struct addr_marker *markers;
unsigned long base_addr;
};
struct ptdump_prot_bits {
ptdesc_t mask;
ptdesc_t val;
const char *set;
const char *clear;
};
struct ptdump_pg_level {
const struct ptdump_prot_bits *bits;
char name[4];
int num;
ptdesc_t mask;
};
/*
* The page dumper groups page table entries of the same type into a single
* description. It uses pg_state to track the range information while
* iterating over the pte entries. When the continuity is broken it then
* dumps out a description of the range.
*/
struct ptdump_pg_state {
struct ptdump_state ptdump;
struct ptdump_pg_level *pg_level;
struct seq_file *seq;
const struct addr_marker *marker;
const struct mm_struct *mm;
unsigned long start_address;
int level;
ptdesc_t current_prot;
bool check_wx;
unsigned long wx_pages;
unsigned long uxn_pages;
};
void ptdump_walk(struct seq_file *s, struct ptdump_info *info);
void note_page(struct ptdump_state *pt_st, unsigned long addr, int level,
pteval_t val);
void note_page_pte(struct ptdump_state *st, unsigned long addr, pte_t pte);
void note_page_pmd(struct ptdump_state *st, unsigned long addr, pmd_t pmd);
void note_page_pud(struct ptdump_state *st, unsigned long addr, pud_t pud);
void note_page_p4d(struct ptdump_state *st, unsigned long addr, p4d_t p4d);
void note_page_pgd(struct ptdump_state *st, unsigned long addr, pgd_t pgd);
void note_page_flush(struct ptdump_state *st);
#ifdef CONFIG_PTDUMP_DEBUGFS
#define EFI_RUNTIME_MAP_END DEFAULT_MAP_WINDOW_64
void __init ptdump_debugfs_register(struct ptdump_info *info, const char *name);
#else
static inline void ptdump_debugfs_register(struct ptdump_info *info,
const char *name) { }
#endif /* CONFIG_PTDUMP_DEBUGFS */
#else
static inline void note_page(struct ptdump_state *pt_st, unsigned long addr,
int level, pteval_t val) { }
static inline void note_page_pte(struct ptdump_state *st, unsigned long addr, pte_t pte) { }
static inline void note_page_pmd(struct ptdump_state *st, unsigned long addr, pmd_t pmd) { }
static inline void note_page_pud(struct ptdump_state *st, unsigned long addr, pud_t pud) { }
static inline void note_page_p4d(struct ptdump_state *st, unsigned long addr, p4d_t p4d) { }
static inline void note_page_pgd(struct ptdump_state *st, unsigned long addr, pgd_t pgd) { }
static inline void note_page_flush(struct ptdump_state *st) { }
#endif /* CONFIG_PTDUMP */
#endif /* __ASM_PTDUMP_H */