#ifndef __LINUX_SPINLOCK_TYPES_RAW_H #define __LINUX_SPINLOCK_TYPES_RAW_H #include <linux/types.h> #if defined(CONFIG_SMP) # include <asm/spinlock_types.h> #else # include <linux/spinlock_types_up.h> #endif #include <linux/lockdep_types.h> typedef struct raw_spinlock { arch_spinlock_t raw_lock; #ifdef CONFIG_DEBUG_SPINLOCK unsigned int magic, owner_cpu; void *owner; #endif #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map dep_map; #endif } raw_spinlock_t; #define SPINLOCK_MAGIC 0xdead4ead #define SPINLOCK_OWNER_INIT ((void *)-1L) #ifdef CONFIG_DEBUG_LOCK_ALLOC # define RAW_SPIN_DEP_MAP_INIT(lockname) \ .dep_map = { \ .name = #lockname, \ .wait_type_inner = LD_WAIT_SPIN, \ } # define SPIN_DEP_MAP_INIT(lockname) \ .dep_map = { \ .name = #lockname, \ .wait_type_inner = LD_WAIT_CONFIG, \ } # define LOCAL_SPIN_DEP_MAP_INIT(lockname) \ .dep_map = { \ .name = #lockname, \ .wait_type_inner = LD_WAIT_CONFIG, \ .lock_type = LD_LOCK_PERCPU, \ } #else # define RAW_SPIN_DEP_MAP_INIT(lockname) # define SPIN_DEP_MAP_INIT(lockname) # define LOCAL_SPIN_DEP_MAP_INIT(lockname) #endif #ifdef CONFIG_DEBUG_SPINLOCK # define SPIN_DEBUG_INIT(lockname) \ .magic = SPINLOCK_MAGIC, \ .owner_cpu = -1, \ .owner = SPINLOCK_OWNER_INIT, #else # define SPIN_DEBUG_INIT(lockname) #endif #define __RAW_SPIN_LOCK_INITIALIZER(lockname) \ { \ .raw_lock = __ARCH_SPIN_LOCK_UNLOCKED, \ SPIN_DEBUG_INIT(lockname) \ RAW_SPIN_DEP_MAP_INIT(lockname) } #define __RAW_SPIN_LOCK_UNLOCKED(lockname) \ (raw_spinlock_t) __RAW_SPIN_LOCK_INITIALIZER(lockname) #define DEFINE_RAW_SPINLOCK(x) raw_spinlock_t x = __RAW_SPIN_LOCK_UNLOCKED(x) #endif /* __LINUX_SPINLOCK_TYPES_RAW_H */