LXR linux/arch/powerpc/include/asm/set

   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
  12int change_memory_attr(unsigned long addr, int numpages, long action);
  13
  14static inline int set_memory_ro(unsigned long addr, int numpages)
  15{
  16        return change_memory_attr(addr, numpages, SET_MEMORY_RO);
  17}
  18
  19static inline int set_memory_rw(unsigned long addr, int numpages)
  20{
  21        return change_memory_attr(addr, numpages, SET_MEMORY_RW);
  22}
  23
  24static inline int set_memory_nx(unsigned long addr, int numpages)
  25{
  26        return change_memory_attr(addr, numpages, SET_MEMORY_NX);
  27}
  28
  29static inline int set_memory_x(unsigned long addr, int numpages)
  30{
  31        return change_memory_attr(addr, numpages, SET_MEMORY_X);
  32}
  33
  34static inline int set_memory_np(unsigned long addr, int numpages)
  35{
  36        return change_memory_attr(addr, numpages, SET_MEMORY_NP);
  37}
  38
  39static inline int set_memory_p(unsigned long addr, int numpages)
  40{
  41        return change_memory_attr(addr, numpages, SET_MEMORY_P);
  42}
  43
  44#endif
  45