arch/powerpc/include/asm/set_memory.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_POWERPC_SET_MEMORY_H
   3 #define _ASM_POWERPC_SET_MEMORY_H
   4
   5 #define SET_MEMORY_RO   0
   6 #define SET_MEMORY_RW   1
   7 #define SET_MEMORY_NX   2
   8 #define SET_MEMORY_X    3
   9 #define SET_MEMORY_NP   4       /* Set memory non present */
  10 #define SET_MEMORY_P    5       /* Set memory present */
  11 #define SET_MEMORY_ROX  6
  12
  13 int change_memory_attr(unsigned long addr, int numpages, long action);
  14
  15 static inline int __must_check set_memory_ro(unsigned long addr, int numpages)
  16 {
  17         return change_memory_attr(addr, numpages, SET_MEMORY_RO);
  18 }
  19
  20 static inline int __must_check set_memory_rw(unsigned long addr, int numpages)
  21 {
  22         return change_memory_attr(addr, numpages, SET_MEMORY_RW);
  23 }
  24
  25 static inline int __must_check set_memory_nx(unsigned long addr, int numpages)
  26 {
  27         return change_memory_attr(addr, numpages, SET_MEMORY_NX);
  28 }
  29
  30 static inline int __must_check set_memory_x(unsigned long addr, int numpages)
  31 {
  32         return change_memory_attr(addr, numpages, SET_MEMORY_X);
  33 }
  34
  35 static inline int __must_check set_memory_np(unsigned long addr, int numpages)
  36 {
  37         return change_memory_attr(addr, numpages, SET_MEMORY_NP);
  38 }
  39
  40 static inline int __must_check set_memory_p(unsigned long addr, int numpages)
  41 {
  42         return change_memory_attr(addr, numpages, SET_MEMORY_P);
  43 }
  44
  45 static inline int __must_check set_memory_rox(unsigned long addr, int numpages)
  46 {
  47         return change_memory_attr(addr, numpages, SET_MEMORY_ROX);
  48 }
  49 #define set_memory_rox set_memory_rox
  50
  51 #endif