1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright 2017, Michael Ellerman, IBM Corporation.
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun #ifndef _LINUX_SET_MEMORY_H_
6*4882a593Smuzhiyun #define _LINUX_SET_MEMORY_H_
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #ifdef CONFIG_ARCH_HAS_SET_MEMORY
9*4882a593Smuzhiyun #include <asm/set_memory.h>
10*4882a593Smuzhiyun #else
set_memory_ro(unsigned long addr,int numpages)11*4882a593Smuzhiyun static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; }
set_memory_rw(unsigned long addr,int numpages)12*4882a593Smuzhiyun static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; }
set_memory_x(unsigned long addr,int numpages)13*4882a593Smuzhiyun static inline int set_memory_x(unsigned long addr, int numpages) { return 0; }
set_memory_nx(unsigned long addr,int numpages)14*4882a593Smuzhiyun static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
15*4882a593Smuzhiyun #endif
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun #ifndef CONFIG_ARCH_HAS_SET_DIRECT_MAP
set_direct_map_invalid_noflush(struct page * page)18*4882a593Smuzhiyun static inline int set_direct_map_invalid_noflush(struct page *page)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun return 0;
21*4882a593Smuzhiyun }
set_direct_map_default_noflush(struct page * page)22*4882a593Smuzhiyun static inline int set_direct_map_default_noflush(struct page *page)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun return 0;
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun #endif
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun #ifndef set_mce_nospec
set_mce_nospec(unsigned long pfn,bool unmap)29*4882a593Smuzhiyun static inline int set_mce_nospec(unsigned long pfn, bool unmap)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun return 0;
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun #endif
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun #ifndef clear_mce_nospec
clear_mce_nospec(unsigned long pfn)36*4882a593Smuzhiyun static inline int clear_mce_nospec(unsigned long pfn)
37*4882a593Smuzhiyun {
38*4882a593Smuzhiyun return 0;
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun #endif
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun #ifndef CONFIG_ARCH_HAS_MEM_ENCRYPT
set_memory_encrypted(unsigned long addr,int numpages)43*4882a593Smuzhiyun static inline int set_memory_encrypted(unsigned long addr, int numpages)
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun return 0;
46*4882a593Smuzhiyun }
47*4882a593Smuzhiyun
set_memory_decrypted(unsigned long addr,int numpages)48*4882a593Smuzhiyun static inline int set_memory_decrypted(unsigned long addr, int numpages)
49*4882a593Smuzhiyun {
50*4882a593Smuzhiyun return 0;
51*4882a593Smuzhiyun }
52*4882a593Smuzhiyun #endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun #endif /* _LINUX_SET_MEMORY_H_ */
55