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