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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_LOCAL_LOCK_H
#define _LINUX_LOCAL_LOCK_H
#include <linux/local_lock_internal.h>
/**
* local_lock_init - Runtime initialize a lock instance
*/
#define local_lock_init(lock) __local_lock_init(lock)
/**
* local_lock - Acquire a per CPU local lock
* @lock: The lock variable
*/
#define local_lock(lock) __local_lock(lock)
/**
* local_lock_irq - Acquire a per CPU local lock and disable interrupts
* @lock: The lock variable
*/
#define local_lock_irq(lock) __local_lock_irq(lock)
/**
* local_lock_irqsave - Acquire a per CPU local lock, save and disable
* interrupts
* @lock: The lock variable
* @flags: Storage for interrupt flags
*/
#define local_lock_irqsave(lock, flags) \
__local_lock_irqsave(lock, flags)
/**
* local_unlock - Release a per CPU local lock
* @lock: The lock variable
*/
#define local_unlock(lock) __local_unlock(lock)
/**
* local_unlock_irq - Release a per CPU local lock and enable interrupts
* @lock: The lock variable
*/
#define local_unlock_irq(lock) __local_unlock_irq(lock)
/**
* local_unlock_irqrestore - Release a per CPU local lock and restore
* interrupt flags
* @lock: The lock variable
* @flags: Interrupt flags to restore
*/
#define local_unlock_irqrestore(lock, flags) \
__local_unlock_irqrestore(lock, flags)
/**
* localtry_lock_init - Runtime initialize a lock instance
*/
#define localtry_lock_init(lock) __localtry_lock_init(lock)
/**
* localtry_lock - Acquire a per CPU local lock
* @lock: The lock variable
*/
#define localtry_lock(lock) __localtry_lock(lock)
/**
* localtry_lock_irq - Acquire a per CPU local lock and disable interrupts
* @lock: The lock variable
*/
#define localtry_lock_irq(lock) __localtry_lock_irq(lock)
/**
* localtry_lock_irqsave - Acquire a per CPU local lock, save and disable
* interrupts
* @lock: The lock variable
* @flags: Storage for interrupt flags
*/
#define localtry_lock_irqsave(lock, flags) \
__localtry_lock_irqsave(lock, flags)
/**
* localtry_trylock - Try to acquire a per CPU local lock.
* @lock: The lock variable
*
* The function can be used in any context such as NMI or HARDIRQ. Due to
* locking constrains it will _always_ fail to acquire the lock in NMI or
* HARDIRQ context on PREEMPT_RT.
*/
#define localtry_trylock(lock) __localtry_trylock(lock)
/**
* localtry_trylock_irqsave - Try to acquire a per CPU local lock, save and disable
* interrupts if acquired
* @lock: The lock variable
* @flags: Storage for interrupt flags
*
* The function can be used in any context such as NMI or HARDIRQ. Due to
* locking constrains it will _always_ fail to acquire the lock in NMI or
* HARDIRQ context on PREEMPT_RT.
*/
#define localtry_trylock_irqsave(lock, flags) \
__localtry_trylock_irqsave(lock, flags)
/**
* local_unlock - Release a per CPU local lock
* @lock: The lock variable
*/
#define localtry_unlock(lock) __localtry_unlock(lock)
/**
* local_unlock_irq - Release a per CPU local lock and enable interrupts
* @lock: The lock variable
*/
#define localtry_unlock_irq(lock) __localtry_unlock_irq(lock)
/**
* localtry_unlock_irqrestore - Release a per CPU local lock and restore
* interrupt flags
* @lock: The lock variable
* @flags: Interrupt flags to restore
*/
#define localtry_unlock_irqrestore(lock, flags) \
__localtry_unlock_irqrestore(lock, flags)
DEFINE_GUARD(local_lock, local_lock_t __percpu*,
local_lock(_T),
local_unlock(_T))
DEFINE_GUARD(local_lock_irq, local_lock_t __percpu*,
local_lock_irq(_T),
local_unlock_irq(_T))
DEFINE_LOCK_GUARD_1(local_lock_irqsave, local_lock_t __percpu,
local_lock_irqsave(_T->lock, _T->flags),
local_unlock_irqrestore(_T->lock, _T->flags),
unsigned long flags)
#define local_lock_nested_bh(_lock) \
__local_lock_nested_bh(_lock)
#define local_unlock_nested_bh(_lock) \
__local_unlock_nested_bh(_lock)
DEFINE_GUARD(local_lock_nested_bh, local_lock_t __percpu*,
local_lock_nested_bh(_T),
local_unlock_nested_bh(_T))
#endif
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