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-rw-r--r--arch/s390/include/asm/set_memory.h36
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