sdio: add new function for RAW (Read after Write) operation
[safe/jmp/linux-2.6] / include / linux / spinlock_api_smp.h
index 6b108f5..e253ccd 100644 (file)
 
 int in_lock_functions(unsigned long addr);
 
-#define assert_spin_locked(x)  BUG_ON(!spin_is_locked(x))
+#define assert_raw_spin_locked(x)      BUG_ON(!raw_spin_is_locked(x))
+
+void __lockfunc _raw_spin_lock(raw_spinlock_t *lock)           __acquires(lock);
+void __lockfunc _raw_spin_lock_nested(raw_spinlock_t *lock, int subclass)
+                                                               __acquires(lock);
+void __lockfunc
+_raw_spin_lock_nest_lock(raw_spinlock_t *lock, struct lockdep_map *map)
+                                                               __acquires(lock);
+void __lockfunc _raw_spin_lock_bh(raw_spinlock_t *lock)                __acquires(lock);
+void __lockfunc _raw_spin_lock_irq(raw_spinlock_t *lock)
+                                                               __acquires(lock);
+
+unsigned long __lockfunc _raw_spin_lock_irqsave(raw_spinlock_t *lock)
+                                                               __acquires(lock);
+unsigned long __lockfunc
+_raw_spin_lock_irqsave_nested(raw_spinlock_t *lock, int subclass)
+                                                               __acquires(lock);
+int __lockfunc _raw_spin_trylock(raw_spinlock_t *lock);
+int __lockfunc _raw_spin_trylock_bh(raw_spinlock_t *lock);
+void __lockfunc _raw_spin_unlock(raw_spinlock_t *lock)         __releases(lock);
+void __lockfunc _raw_spin_unlock_bh(raw_spinlock_t *lock)      __releases(lock);
+void __lockfunc _raw_spin_unlock_irq(raw_spinlock_t *lock)     __releases(lock);
+void __lockfunc
+_raw_spin_unlock_irqrestore(raw_spinlock_t *lock, unsigned long flags)
+                                                               __releases(lock);
+
+#ifdef CONFIG_INLINE_SPIN_LOCK
+#define _raw_spin_lock(lock) __raw_spin_lock(lock)
+#endif
 
-void __lockfunc _spin_lock(spinlock_t *lock)           __acquires(lock);
-void __lockfunc _spin_lock_nested(spinlock_t *lock, int subclass)
-                                                       __acquires(lock);
-void __lockfunc _spin_lock_nest_lock(spinlock_t *lock, struct lockdep_map *map)
-                                                       __acquires(lock);
-void __lockfunc _read_lock(rwlock_t *lock)             __acquires(lock);
-void __lockfunc _write_lock(rwlock_t *lock)            __acquires(lock);
-void __lockfunc _spin_lock_bh(spinlock_t *lock)                __acquires(lock);
-void __lockfunc _read_lock_bh(rwlock_t *lock)          __acquires(lock);
-void __lockfunc _write_lock_bh(rwlock_t *lock)         __acquires(lock);
-void __lockfunc _spin_lock_irq(spinlock_t *lock)       __acquires(lock);
-void __lockfunc _read_lock_irq(rwlock_t *lock)         __acquires(lock);
-void __lockfunc _write_lock_irq(rwlock_t *lock)                __acquires(lock);
-unsigned long __lockfunc _spin_lock_irqsave(spinlock_t *lock)
-                                                       __acquires(lock);
-unsigned long __lockfunc _spin_lock_irqsave_nested(spinlock_t *lock, int subclass)
-                                                       __acquires(lock);
-unsigned long __lockfunc _read_lock_irqsave(rwlock_t *lock)
-                                                       __acquires(lock);
-unsigned long __lockfunc _write_lock_irqsave(rwlock_t *lock)
-                                                       __acquires(lock);
-int __lockfunc _spin_trylock(spinlock_t *lock);
-int __lockfunc _read_trylock(rwlock_t *lock);
-int __lockfunc _write_trylock(rwlock_t *lock);
-int __lockfunc _spin_trylock_bh(spinlock_t *lock);
-void __lockfunc _spin_unlock(spinlock_t *lock)         __releases(lock);
-void __lockfunc _read_unlock(rwlock_t *lock)           __releases(lock);
-void __lockfunc _write_unlock(rwlock_t *lock)          __releases(lock);
-void __lockfunc _spin_unlock_bh(spinlock_t *lock)      __releases(lock);
-void __lockfunc _read_unlock_bh(rwlock_t *lock)                __releases(lock);
-void __lockfunc _write_unlock_bh(rwlock_t *lock)       __releases(lock);
-void __lockfunc _spin_unlock_irq(spinlock_t *lock)     __releases(lock);
-void __lockfunc _read_unlock_irq(rwlock_t *lock)       __releases(lock);
-void __lockfunc _write_unlock_irq(rwlock_t *lock)      __releases(lock);
-void __lockfunc _spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
-                                                       __releases(lock);
-void __lockfunc _read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
-                                                       __releases(lock);
-void __lockfunc _write_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
-                                                       __releases(lock);
+#ifdef CONFIG_INLINE_SPIN_LOCK_BH
+#define _raw_spin_lock_bh(lock) __raw_spin_lock_bh(lock)
+#endif
 
-static inline int __spin_trylock(spinlock_t *lock)
-{
-       preempt_disable();
-       if (_raw_spin_trylock(lock)) {
-               spin_acquire(&lock->dep_map, 0, 1, _RET_IP_);
-               return 1;
-       }
-       preempt_enable();
-       return 0;
-}
+#ifdef CONFIG_INLINE_SPIN_LOCK_IRQ
+#define _raw_spin_lock_irq(lock) __raw_spin_lock_irq(lock)
+#endif
 
-static inline int __read_trylock(rwlock_t *lock)
-{
-       preempt_disable();
-       if (_raw_read_trylock(lock)) {
-               rwlock_acquire_read(&lock->dep_map, 0, 1, _RET_IP_);
-               return 1;
-       }
-       preempt_enable();
-       return 0;
-}
+#ifdef CONFIG_INLINE_SPIN_LOCK_IRQSAVE
+#define _raw_spin_lock_irqsave(lock) __raw_spin_lock_irqsave(lock)
+#endif
+
+#ifdef CONFIG_INLINE_SPIN_TRYLOCK
+#define _raw_spin_trylock(lock) __raw_spin_trylock(lock)
+#endif
+
+#ifdef CONFIG_INLINE_SPIN_TRYLOCK_BH
+#define _raw_spin_trylock_bh(lock) __raw_spin_trylock_bh(lock)
+#endif
+
+#ifdef CONFIG_INLINE_SPIN_UNLOCK
+#define _raw_spin_unlock(lock) __raw_spin_unlock(lock)
+#endif
+
+#ifdef CONFIG_INLINE_SPIN_UNLOCK_BH
+#define _raw_spin_unlock_bh(lock) __raw_spin_unlock_bh(lock)
+#endif
+
+#ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQ
+#define _raw_spin_unlock_irq(lock) __raw_spin_unlock_irq(lock)
+#endif
 
-static inline int __write_trylock(rwlock_t *lock)
+#ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE
+#define _raw_spin_unlock_irqrestore(lock, flags) __raw_spin_unlock_irqrestore(lock, flags)
+#endif
+
+static inline int __raw_spin_trylock(raw_spinlock_t *lock)
 {
        preempt_disable();
-       if (_raw_write_trylock(lock)) {
-               rwlock_acquire(&lock->dep_map, 0, 1, _RET_IP_);
+       if (do_raw_spin_trylock(lock)) {
+               spin_acquire(&lock->dep_map, 0, 1, _RET_IP_);
                return 1;
        }
        preempt_enable();
@@ -100,14 +101,7 @@ static inline int __write_trylock(rwlock_t *lock)
  */
 #if !defined(CONFIG_GENERIC_LOCKBREAK) || defined(CONFIG_DEBUG_LOCK_ALLOC)
 
-static inline void __read_lock(rwlock_t *lock)
-{
-       preempt_disable();
-       rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
-       LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
-}
-
-static inline unsigned long __spin_lock_irqsave(spinlock_t *lock)
+static inline unsigned long __raw_spin_lock_irqsave(raw_spinlock_t *lock)
 {
        unsigned long flags;
 
@@ -116,205 +110,79 @@ static inline unsigned long __spin_lock_irqsave(spinlock_t *lock)
        spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
        /*
         * On lockdep we dont want the hand-coded irq-enable of
-        * _raw_spin_lock_flags() code, because lockdep assumes
+        * do_raw_spin_lock_flags() code, because lockdep assumes
         * that interrupts are not re-enabled during lock-acquire:
         */
 #ifdef CONFIG_LOCKDEP
-       LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
+       LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
 #else
-       _raw_spin_lock_flags(lock, &flags);
+       do_raw_spin_lock_flags(lock, &flags);
 #endif
        return flags;
 }
 
-static inline void __spin_lock_irq(spinlock_t *lock)
+static inline void __raw_spin_lock_irq(raw_spinlock_t *lock)
 {
        local_irq_disable();
        preempt_disable();
        spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-       LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
+       LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
 }
 
-static inline void __spin_lock_bh(spinlock_t *lock)
+static inline void __raw_spin_lock_bh(raw_spinlock_t *lock)
 {
        local_bh_disable();
        preempt_disable();
        spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-       LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
+       LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
 }
 
-static inline unsigned long __read_lock_irqsave(rwlock_t *lock)
-{
-       unsigned long flags;
-
-       local_irq_save(flags);
-       preempt_disable();
-       rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
-       LOCK_CONTENDED_FLAGS(lock, _raw_read_trylock, _raw_read_lock,
-                            _raw_read_lock_flags, &flags);
-       return flags;
-}
-
-static inline void __read_lock_irq(rwlock_t *lock)
-{
-       local_irq_disable();
-       preempt_disable();
-       rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
-       LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
-}
-
-static inline void __read_lock_bh(rwlock_t *lock)
-{
-       local_bh_disable();
-       preempt_disable();
-       rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
-       LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
-}
-
-static inline unsigned long __write_lock_irqsave(rwlock_t *lock)
-{
-       unsigned long flags;
-
-       local_irq_save(flags);
-       preempt_disable();
-       rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-       LOCK_CONTENDED_FLAGS(lock, _raw_write_trylock, _raw_write_lock,
-                            _raw_write_lock_flags, &flags);
-       return flags;
-}
-
-static inline void __write_lock_irq(rwlock_t *lock)
-{
-       local_irq_disable();
-       preempt_disable();
-       rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-       LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
-}
-
-static inline void __write_lock_bh(rwlock_t *lock)
-{
-       local_bh_disable();
-       preempt_disable();
-       rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-       LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
-}
-
-static inline void __spin_lock(spinlock_t *lock)
+static inline void __raw_spin_lock(raw_spinlock_t *lock)
 {
        preempt_disable();
        spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-       LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
-}
-
-static inline void __write_lock(rwlock_t *lock)
-{
-       preempt_disable();
-       rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-       LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
+       LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
 }
 
 #endif /* CONFIG_PREEMPT */
 
-static inline void __spin_unlock(spinlock_t *lock)
+static inline void __raw_spin_unlock(raw_spinlock_t *lock)
 {
        spin_release(&lock->dep_map, 1, _RET_IP_);
-       _raw_spin_unlock(lock);
-       preempt_enable();
-}
-
-static inline void __write_unlock(rwlock_t *lock)
-{
-       rwlock_release(&lock->dep_map, 1, _RET_IP_);
-       _raw_write_unlock(lock);
+       do_raw_spin_unlock(lock);
        preempt_enable();
 }
 
-static inline void __read_unlock(rwlock_t *lock)
-{
-       rwlock_release(&lock->dep_map, 1, _RET_IP_);
-       _raw_read_unlock(lock);
-       preempt_enable();
-}
-
-static inline void __spin_unlock_irqrestore(spinlock_t *lock,
+static inline void __raw_spin_unlock_irqrestore(raw_spinlock_t *lock,
                                            unsigned long flags)
 {
        spin_release(&lock->dep_map, 1, _RET_IP_);
-       _raw_spin_unlock(lock);
+       do_raw_spin_unlock(lock);
        local_irq_restore(flags);
        preempt_enable();
 }
 
-static inline void __spin_unlock_irq(spinlock_t *lock)
+static inline void __raw_spin_unlock_irq(raw_spinlock_t *lock)
 {
        spin_release(&lock->dep_map, 1, _RET_IP_);
-       _raw_spin_unlock(lock);
+       do_raw_spin_unlock(lock);
        local_irq_enable();
        preempt_enable();
 }
 
-static inline void __spin_unlock_bh(spinlock_t *lock)
+static inline void __raw_spin_unlock_bh(raw_spinlock_t *lock)
 {
        spin_release(&lock->dep_map, 1, _RET_IP_);
-       _raw_spin_unlock(lock);
+       do_raw_spin_unlock(lock);
        preempt_enable_no_resched();
        local_bh_enable_ip((unsigned long)__builtin_return_address(0));
 }
 
-static inline void __read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
-{
-       rwlock_release(&lock->dep_map, 1, _RET_IP_);
-       _raw_read_unlock(lock);
-       local_irq_restore(flags);
-       preempt_enable();
-}
-
-static inline void __read_unlock_irq(rwlock_t *lock)
-{
-       rwlock_release(&lock->dep_map, 1, _RET_IP_);
-       _raw_read_unlock(lock);
-       local_irq_enable();
-       preempt_enable();
-}
-
-static inline void __read_unlock_bh(rwlock_t *lock)
-{
-       rwlock_release(&lock->dep_map, 1, _RET_IP_);
-       _raw_read_unlock(lock);
-       preempt_enable_no_resched();
-       local_bh_enable_ip((unsigned long)__builtin_return_address(0));
-}
-
-static inline void __write_unlock_irqrestore(rwlock_t *lock,
-                                            unsigned long flags)
-{
-       rwlock_release(&lock->dep_map, 1, _RET_IP_);
-       _raw_write_unlock(lock);
-       local_irq_restore(flags);
-       preempt_enable();
-}
-
-static inline void __write_unlock_irq(rwlock_t *lock)
-{
-       rwlock_release(&lock->dep_map, 1, _RET_IP_);
-       _raw_write_unlock(lock);
-       local_irq_enable();
-       preempt_enable();
-}
-
-static inline void __write_unlock_bh(rwlock_t *lock)
-{
-       rwlock_release(&lock->dep_map, 1, _RET_IP_);
-       _raw_write_unlock(lock);
-       preempt_enable_no_resched();
-       local_bh_enable_ip((unsigned long)__builtin_return_address(0));
-}
-
-static inline int __spin_trylock_bh(spinlock_t *lock)
+static inline int __raw_spin_trylock_bh(raw_spinlock_t *lock)
 {
        local_bh_disable();
        preempt_disable();
-       if (_raw_spin_trylock(lock)) {
+       if (do_raw_spin_trylock(lock)) {
                spin_acquire(&lock->dep_map, 0, 1, _RET_IP_);
                return 1;
        }
@@ -323,4 +191,6 @@ static inline int __spin_trylock_bh(spinlock_t *lock)
        return 0;
 }
 
+#include <linux/rwlock_api_smp.h>
+
 #endif /* __LINUX_SPINLOCK_API_SMP_H */