1 | /* |
2 | * Copyright 2017, Michael Ellerman, IBM Corporation. |
3 | * |
4 | * This program is free software; you can redistribute it and/or |
5 | * modify it under the terms of the GNU General Public License version |
6 | * 2 as published by the Free Software Foundation; |
7 | */ |
8 | #ifndef _LINUX_SET_MEMORY_H_ |
9 | #define _LINUX_SET_MEMORY_H_ |
10 | |
11 | #ifdef CONFIG_ARCH_HAS_SET_MEMORY |
12 | #include <asm/set_memory.h> |
13 | #else |
14 | static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; } |
15 | static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; } |
16 | static inline int set_memory_x(unsigned long addr, int numpages) { return 0; } |
17 | static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; } |
18 | #endif |
19 | |
20 | #ifndef set_mce_nospec |
21 | static inline int set_mce_nospec(unsigned long pfn) |
22 | { |
23 | return 0; |
24 | } |
25 | #endif |
26 | |
27 | #ifndef clear_mce_nospec |
28 | static inline int clear_mce_nospec(unsigned long pfn) |
29 | { |
30 | return 0; |
31 | } |
32 | #endif |
33 | |
34 | #ifndef CONFIG_ARCH_HAS_MEM_ENCRYPT |
35 | static inline int set_memory_encrypted(unsigned long addr, int numpages) |
36 | { |
37 | return 0; |
38 | } |
39 | |
40 | static inline int set_memory_decrypted(unsigned long addr, int numpages) |
41 | { |
42 | return 0; |
43 | } |
44 | #endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */ |
45 | |
46 | #endif /* _LINUX_SET_MEMORY_H_ */ |
47 | |