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/* Public domain. */
#ifndef _LINUX_SPINLOCK_H
#define _LINUX_SPINLOCK_H
#include <linux/kernel.h>
#include <linux/spinlock_types.h>
#include <linux/preempt.h>
#include <linux/bottom_half.h>
static inline void
spin_lock_irqsave(struct mutex *mtxp, __unused unsigned long flags)
{
mtx_enter(mtxp);
}
static inline void
spin_lock_irqsave_nested(struct mutex *mtxp, __unused unsigned long flags,
__unused int subclass)
{
mtx_enter(mtxp);
}
static inline void
spin_unlock_irqrestore(struct mutex *mtxp, __unused unsigned long flags)
{
mtx_leave(mtxp);
}
#define spin_lock(mtxp) mtx_enter(mtxp)
#define spin_lock_nested(mtxp, l) mtx_enter(mtxp)
#define spin_unlock(mtxp) mtx_leave(mtxp)
#define spin_lock_irq(mtxp) mtx_enter(mtxp)
#define spin_unlock_irq(mtxp) mtx_leave(mtxp)
#define assert_spin_locked(mtxp) MUTEX_ASSERT_LOCKED(mtxp)
#define spin_trylock_irq(mtxp) mtx_enter_try(mtxp)
#define down_read(rwl) rw_enter_read(rwl)
#define down_read_trylock(rwl) (rw_enter(rwl, RW_READ | RW_NOSLEEP) == 0)
#define up_read(rwl) rw_exit_read(rwl)
#define down_write(rwl) rw_enter_write(rwl)
#define up_write(rwl) rw_exit_write(rwl)
#define downgrade_write(rwl) rw_enter(rwl, RW_DOWNGRADE)
#define read_lock(rwl) rw_enter_read(rwl)
#define read_unlock(rwl) rw_exit_read(rwl)
#define write_lock(rwl) rw_enter_write(rwl)
#define write_unlock(rwl) rw_exit_write(rwl)
#endif
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