| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_POWERPC_SET_MEMORY_H |
| #define _ASM_POWERPC_SET_MEMORY_H |
| |
| #define SET_MEMORY_RO 0 |
| #define SET_MEMORY_RW 1 |
| #define SET_MEMORY_NX 2 |
| #define SET_MEMORY_X 3 |
| |
| int change_memory_attr(unsigned long addr, int numpages, long action); |
| |
| static inline int set_memory_ro(unsigned long addr, int numpages) |
| { |
| return change_memory_attr(addr, numpages, SET_MEMORY_RO); |
| } |
| |
| static inline int set_memory_rw(unsigned long addr, int numpages) |
| { |
| return change_memory_attr(addr, numpages, SET_MEMORY_RW); |
| } |
| |
| static inline int set_memory_nx(unsigned long addr, int numpages) |
| { |
| return change_memory_attr(addr, numpages, SET_MEMORY_NX); |
| } |
| |
| static inline int set_memory_x(unsigned long addr, int numpages) |
| { |
| return change_memory_attr(addr, numpages, SET_MEMORY_X); |
| } |
| |
| int set_memory_attr(unsigned long addr, int numpages, pgprot_t prot); |
| |
| #endif |
