aboutsummaryrefslogtreecommitdiff
path: root/include/asm-s390/spinlock_types.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-s390/spinlock_types.h')
-rw-r--r--include/asm-s390/spinlock_types.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/asm-s390/spinlock_types.h b/include/asm-s390/spinlock_types.h
new file mode 100644
index 00000000000..f79a2216204
--- /dev/null
+++ b/include/asm-s390/spinlock_types.h
@@ -0,0 +1,21 @@
+#ifndef __ASM_SPINLOCK_TYPES_H
+#define __ASM_SPINLOCK_TYPES_H
+
+#ifndef __LINUX_SPINLOCK_TYPES_H
+# error "please don't include this file directly"
+#endif
+
+typedef struct {
+ volatile unsigned int lock;
+} __attribute__ ((aligned (4))) raw_spinlock_t;
+
+#define __RAW_SPIN_LOCK_UNLOCKED { 0 }
+
+typedef struct {
+ volatile unsigned int lock;
+ volatile unsigned int owner_pc;
+} raw_rwlock_t;
+
+#define __RAW_RW_LOCK_UNLOCKED { 0, 0 }
+
+#endif