1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASMS390_SET_MEMORY_H
3 #define _ASMS390_SET_MEMORY_H
4
5 #include <linux/mutex.h>
6
7 extern struct mutex cpa_mutex;
8
9 #define SET_MEMORY_RO 1UL
10 #define SET_MEMORY_RW 2UL
11 #define SET_MEMORY_NX 4UL
12 #define SET_MEMORY_X 8UL
13 #define SET_MEMORY_4K 16UL
14
15 int __set_memory(unsigned long addr, int numpages, unsigned long flags);
16
set_memory_ro(unsigned long addr,int numpages)17 static inline int set_memory_ro(unsigned long addr, int numpages)
18 {
19 return __set_memory(addr, numpages, SET_MEMORY_RO);
20 }
21
set_memory_rw(unsigned long addr,int numpages)22 static inline int set_memory_rw(unsigned long addr, int numpages)
23 {
24 return __set_memory(addr, numpages, SET_MEMORY_RW);
25 }
26
set_memory_nx(unsigned long addr,int numpages)27 static inline int set_memory_nx(unsigned long addr, int numpages)
28 {
29 return __set_memory(addr, numpages, SET_MEMORY_NX);
30 }
31
set_memory_x(unsigned long addr,int numpages)32 static inline int set_memory_x(unsigned long addr, int numpages)
33 {
34 return __set_memory(addr, numpages, SET_MEMORY_X);
35 }
36
set_memory_4k(unsigned long addr,int numpages)37 static inline int set_memory_4k(unsigned long addr, int numpages)
38 {
39 return __set_memory(addr, numpages, SET_MEMORY_4K);
40 }
41
42 #endif
43