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