1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _ASMS390_SET_MEMORY_H
3*4882a593Smuzhiyun #define _ASMS390_SET_MEMORY_H
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <linux/mutex.h>
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun extern struct mutex cpa_mutex;
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #define SET_MEMORY_RO 1UL
10*4882a593Smuzhiyun #define SET_MEMORY_RW 2UL
11*4882a593Smuzhiyun #define SET_MEMORY_NX 4UL
12*4882a593Smuzhiyun #define SET_MEMORY_X 8UL
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun int __set_memory(unsigned long addr, int numpages, unsigned long flags);
15*4882a593Smuzhiyun
set_memory_ro(unsigned long addr,int numpages)16*4882a593Smuzhiyun static inline int set_memory_ro(unsigned long addr, int numpages)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun return __set_memory(addr, numpages, SET_MEMORY_RO);
19*4882a593Smuzhiyun }
20*4882a593Smuzhiyun
set_memory_rw(unsigned long addr,int numpages)21*4882a593Smuzhiyun static inline int set_memory_rw(unsigned long addr, int numpages)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun return __set_memory(addr, numpages, SET_MEMORY_RW);
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun
set_memory_nx(unsigned long addr,int numpages)26*4882a593Smuzhiyun static inline int set_memory_nx(unsigned long addr, int numpages)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun return __set_memory(addr, numpages, SET_MEMORY_NX);
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun
set_memory_x(unsigned long addr,int numpages)31*4882a593Smuzhiyun static inline int set_memory_x(unsigned long addr, int numpages)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun return __set_memory(addr, numpages, SET_MEMORY_X);
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun #endif
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