diff options
Diffstat (limited to 'arch/s390/include/asm/set_memory.h')
-rw-r--r-- | arch/s390/include/asm/set_memory.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/s390/include/asm/set_memory.h b/arch/s390/include/asm/set_memory.h new file mode 100644 index 000000000..a22a5a818 --- /dev/null +++ b/arch/s390/include/asm/set_memory.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASMS390_SET_MEMORY_H +#define _ASMS390_SET_MEMORY_H + +#include <linux/mutex.h> + +extern struct mutex cpa_mutex; + +#define SET_MEMORY_RO 1UL +#define SET_MEMORY_RW 2UL +#define SET_MEMORY_NX 4UL +#define SET_MEMORY_X 8UL + +int __set_memory(unsigned long addr, int numpages, unsigned long flags); + +static inline int set_memory_ro(unsigned long addr, int numpages) +{ + return __set_memory(addr, numpages, SET_MEMORY_RO); +} + +static inline int set_memory_rw(unsigned long addr, int numpages) +{ + return __set_memory(addr, numpages, SET_MEMORY_RW); +} + +static inline int set_memory_nx(unsigned long addr, int numpages) +{ + return __set_memory(addr, numpages, SET_MEMORY_NX); +} + +static inline int set_memory_x(unsigned long addr, int numpages) +{ + return __set_memory(addr, numpages, SET_MEMORY_X); +} + +#endif |