xref: /openbmc/linux/arch/arm64/include/asm/ptdump.h (revision 82003e04)
1 /*
2  * Copyright (C) 2014 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_PTDUMP_H
17 #define __ASM_PTDUMP_H
18 
19 #ifdef CONFIG_ARM64_PTDUMP
20 
21 #include <linux/mm_types.h>
22 
23 struct addr_marker {
24 	unsigned long start_address;
25 	char *name;
26 };
27 
28 struct ptdump_info {
29 	struct mm_struct		*mm;
30 	const struct addr_marker	*markers;
31 	unsigned long			base_addr;
32 	unsigned long			max_addr;
33 };
34 
35 int ptdump_register(struct ptdump_info *info, const char *name);
36 
37 #else
38 static inline int ptdump_register(struct ptdump_info *info, const char *name)
39 {
40 	return 0;
41 }
42 #endif /* CONFIG_ARM64_PTDUMP */
43 
44 #endif /* __ASM_PTDUMP_H */
45