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 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 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 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 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 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 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 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 52