arch/s390/include/asm/set_memory.h

   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