irq.h

Go to the documentation of this file.

/*
 * 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__
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdlib.h>
 
#define METAL_IRQ_NOT_HANDLED 0
#define METAL_IRQ_HANDLED     1
 
typedef int (*metal_irq_handler) (int irq, void *priv);
 
struct metal_device;
 
int metal_irq_register(int irq,
                       metal_irq_handler irq_handler,
                       struct metal_device *dev,
                       void *drv_id);
 
int metal_irq_unregister(int irq,
                        metal_irq_handler irq_handler,
                        struct metal_device *dev,
                        void *drv_id);
 
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__ */