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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#ifndef _RTE_INTERRUPTS_H_
#define _RTE_INTERRUPTS_H_
#include <rte_common.h>
/**
* @file
*
* The RTE interrupt interface provides functions to register/unregister
* callbacks for a specific interrupt.
*/
#ifdef __cplusplus
extern "C" {
#endif
/** Interrupt handle */
struct rte_intr_handle;
/** Function to be registered for the specific interrupt */
typedef void (*rte_intr_callback_fn)(void *cb_arg);
#include "rte_eal_interrupts.h"
/**
* It registers the callback for the specific interrupt. Multiple
* callbacks cal be registered at the same time.
* @param intr_handle
* Pointer to the interrupt handle.
* @param cb
* callback address.
* @param cb_arg
* address of parameter for callback.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
int rte_intr_callback_register(const struct rte_intr_handle *intr_handle,
rte_intr_callback_fn cb, void *cb_arg);
/**
* It unregisters the callback according to the specified interrupt handle.
*
* @param intr_handle
* pointer to the interrupt handle.
* @param cb
* callback address.
* @param cb_arg
* address of parameter for callback, (void *)-1 means to remove all
* registered which has the same callback address.
*
* @return
* - On success, return the number of callback entities removed.
* - On failure, a negative value.
*/
int rte_intr_callback_unregister(const struct rte_intr_handle *intr_handle,
rte_intr_callback_fn cb, void *cb_arg);
/**
* It enables the interrupt for the specified handle.
*
* @param intr_handle
* pointer to the interrupt handle.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
int rte_intr_enable(const struct rte_intr_handle *intr_handle);
/**
* It disables the interrupt for the specified handle.
*
* @param intr_handle
* pointer to the interrupt handle.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
int rte_intr_disable(const struct rte_intr_handle *intr_handle);
#ifdef __cplusplus
}
#endif
#endif
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