xref: /openbmc/linux/arch/s390/include/asm/set_memory.h (revision 8ffdff6a)
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 
14 int __set_memory(unsigned long addr, int numpages, unsigned long flags);
15 
16 static inline int set_memory_ro(unsigned long addr, int numpages)
17 {
18 	return __set_memory(addr, numpages, SET_MEMORY_RO);
19 }
20 
21 static inline int set_memory_rw(unsigned long addr, int numpages)
22 {
23 	return __set_memory(addr, numpages, SET_MEMORY_RW);
24 }
25 
26 static inline int set_memory_nx(unsigned long addr, int numpages)
27 {
28 	return __set_memory(addr, numpages, SET_MEMORY_NX);
29 }
30 
31 static inline int set_memory_x(unsigned long addr, int numpages)
32 {
33 	return __set_memory(addr, numpages, SET_MEMORY_X);
34 }
35 
36 #endif
37