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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Resilient Queued Spin Lock
*
* (C) Copyright 2024-2025 Meta Platforms, Inc. and affiliates.
*
* Authors: Kumar Kartikeya Dwivedi <memxor@gmail.com>
*/
#ifndef __ASM_GENERIC_RQSPINLOCK_H
#define __ASM_GENERIC_RQSPINLOCK_H
#include <linux/types.h>
#include <vdso/time64.h>
struct qspinlock;
typedef struct qspinlock rqspinlock_t;
extern void resilient_queued_spin_lock_slowpath(rqspinlock_t *lock, u32 val);
/*
* Default timeout for waiting loops is 0.25 seconds
*/
#define RES_DEF_TIMEOUT (NSEC_PER_SEC / 4)
#endif /* __ASM_GENERIC_RQSPINLOCK_H */
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