projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 4f084ca7 TG |
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 | } | |
| 31552385 TG |
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 | } | |
| 4f084ca7 TG |
47 | #else |
| 48 | # define RAW_SPIN_DEP_MAP_INIT(lockname) | |
| 49 | # define SPIN_DEP_MAP_INIT(lockname) | |
| 31552385 | 50 | # define LOCAL_SPIN_DEP_MAP_INIT(lockname) |
| 4f084ca7 TG |
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 */ |