1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright 2017, Michael Ellerman, IBM Corporation.
4  */
5 #ifndef _LINUX_SET_MEMORY_H_
6 #define _LINUX_SET_MEMORY_H_
7 
8 #ifdef CONFIG_ARCH_HAS_SET_MEMORY
9 #include <asm/set_memory.h>
10 #else
set_memory_ro(unsigned long addr,int numpages)11 static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; }
set_memory_rw(unsigned long addr,int numpages)12 static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; }
set_memory_x(unsigned long addr,int numpages)13 static inline int set_memory_x(unsigned long addr,  int numpages) { return 0; }
set_memory_nx(unsigned long addr,int numpages)14 static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
15 #endif
16 
17 #ifndef CONFIG_ARCH_HAS_SET_DIRECT_MAP
set_direct_map_invalid_noflush(struct page * page)18 static inline int set_direct_map_invalid_noflush(struct page *page)
19 {
20 	return 0;
21 }
set_direct_map_default_noflush(struct page * page)22 static inline int set_direct_map_default_noflush(struct page *page)
23 {
24 	return 0;
25 }
26 #endif
27 
28 #ifndef set_mce_nospec
set_mce_nospec(unsigned long pfn)29 static inline int set_mce_nospec(unsigned long pfn)
30 {
31 	return 0;
32 }
33 #endif
34 
35 #ifndef clear_mce_nospec
clear_mce_nospec(unsigned long pfn)36 static inline int clear_mce_nospec(unsigned long pfn)
37 {
38 	return 0;
39 }
40 #endif
41 
42 #ifndef CONFIG_ARCH_HAS_MEM_ENCRYPT
set_memory_encrypted(unsigned long addr,int numpages)43 static inline int set_memory_encrypted(unsigned long addr, int numpages)
44 {
45 	return 0;
46 }
47 
set_memory_decrypted(unsigned long addr,int numpages)48 static inline int set_memory_decrypted(unsigned long addr, int numpages)
49 {
50 	return 0;
51 }
52 #endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */
53 
54 #endif /* _LINUX_SET_MEMORY_H_ */
55