1 #ifndef __LINUX_SPINLOCK_TYPES_RAW_H 2 #define __LINUX_SPINLOCK_TYPES_RAW_H 3 4 #include <linux/types.h> 5 6 #if defined(CONFIG_SMP) 7 # include <asm/spinlock_types.h> 8 #else 9 # include <linux/spinlock_types_up.h> 10 #endif 11 12 #include <linux/lockdep_types.h> 13 14 typedef struct raw_spinlock { 15 arch_spinlock_t raw_lock; 16 #ifdef CONFIG_DEBUG_SPINLOCK 17 unsigned int magic, owner_cpu; 18 void *owner; 19 #endif 20 #ifdef CONFIG_DEBUG_LOCK_ALLOC 21 struct lockdep_map dep_map; 22 #endif 23 } raw_spinlock_t; 24 25 #define SPINLOCK_MAGIC 0xdead4ead 26 27 #define SPINLOCK_OWNER_INIT ((void *)-1L) 28 29 #ifdef CONFIG_DEBUG_LOCK_ALLOC 30 # define RAW_SPIN_DEP_MAP_INIT(lockname) \ 31 .dep_map = { \ 32 .name = #lockname, \ 33 .wait_type_inner = LD_WAIT_SPIN, \ 34 } 35 # define SPIN_DEP_MAP_INIT(lockname) \ 36 .dep_map = { \ 37 .name = #lockname, \ 38 .wait_type_inner = LD_WAIT_CONFIG, \ 39 } 40 41 # define LOCAL_SPIN_DEP_MAP_INIT(lockname) \ 42 .dep_map = { \ 43 .name = #lockname, \ 44 .wait_type_inner = LD_WAIT_CONFIG, \ 45 .lock_type = LD_LOCK_PERCPU, \ 46 } 47 #else 48 # define RAW_SPIN_DEP_MAP_INIT(lockname) 49 # define SPIN_DEP_MAP_INIT(lockname) 50 # define LOCAL_SPIN_DEP_MAP_INIT(lockname) 51 #endif 52 53 #ifdef CONFIG_DEBUG_SPINLOCK 54 # define SPIN_DEBUG_INIT(lockname) \ 55 .magic = SPINLOCK_MAGIC, \ 56 .owner_cpu = -1, \ 57 .owner = SPINLOCK_OWNER_INIT, 58 #else 59 # define SPIN_DEBUG_INIT(lockname) 60 #endif 61 62 #define __RAW_SPIN_LOCK_INITIALIZER(lockname) \ 63 { \ 64 .raw_lock = __ARCH_SPIN_LOCK_UNLOCKED, \ 65 SPIN_DEBUG_INIT(lockname) \ 66 RAW_SPIN_DEP_MAP_INIT(lockname) } 67 68 #define __RAW_SPIN_LOCK_UNLOCKED(lockname) \ 69 (raw_spinlock_t) __RAW_SPIN_LOCK_INITIALIZER(lockname) 70 71 #define DEFINE_RAW_SPINLOCK(x) raw_spinlock_t x = __RAW_SPIN_LOCK_UNLOCKED(x) 72 73 #endif /* __LINUX_SPINLOCK_TYPES_RAW_H */ 74