1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASMS390_SET_MEMORY_H
3 #define _ASMS390_SET_MEMORY_H
5 #include <linux/mutex.h>
7 extern struct mutex cpa_mutex;
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
15 int __set_memory(unsigned long addr, int numpages, unsigned long flags);
17 static inline int set_memory_ro(unsigned long addr, int numpages)
19 return __set_memory(addr, numpages, SET_MEMORY_RO);
22 static inline int set_memory_rw(unsigned long addr, int numpages)
24 return __set_memory(addr, numpages, SET_MEMORY_RW);
27 static inline int set_memory_nx(unsigned long addr, int numpages)
29 return __set_memory(addr, numpages, SET_MEMORY_NX);
32 static inline int set_memory_x(unsigned long addr, int numpages)
34 return __set_memory(addr, numpages, SET_MEMORY_X);
37 static inline int set_memory_4k(unsigned long addr, int numpages)
39 return __set_memory(addr, numpages, SET_MEMORY_4K);