irq.h

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/*
 * Copyright (c) 2016, Xilinx Inc. and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
/*
 * @file        irq.h
 * @brief       Interrupt handling primitives for libmetal.
 */
 
#ifndef __METAL_IRQ__H__
#define __METAL_IRQ__H__
 
#include <metal/list.h>
#include <stdlib.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define METAL_IRQ_NOT_HANDLED 0
#define METAL_IRQ_HANDLED     1
 
typedef int (*metal_irq_handler) (int irq, void *arg);
 
int metal_irq_register(int irq,
                       metal_irq_handler irq_handler,
                       void *arg);
 
static inline
void metal_irq_unregister(int irq)
{
        metal_irq_register(irq, 0, NULL);
}
 
unsigned int metal_irq_save_disable(void);
 
void metal_irq_restore_enable(unsigned int flags);
 
void metal_irq_enable(unsigned int vector);
 
void metal_irq_disable(unsigned int vector);
 
#include <metal/system/@PROJECT_SYSTEM@/irq.h>
 
#ifdef __cplusplus
}
#endif
 
#endif /* __METAL_IRQ__H__ */