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34 #ifndef _RTE_INTERRUPTS_H_
35 #define _RTE_INTERRUPTS_H_
37 #include <rte_common.h>
42 * The RTE interrupt interface provides functions to register/unregister
43 * callbacks for a specific interrupt.
50 /** Interrupt handle */
51 struct rte_intr_handle;
53 /** Function to be registered for the specific interrupt */
54 typedef void (*rte_intr_callback_fn)(void *cb_arg);
56 #include <exec-env/rte_interrupts.h>
59 * It registers the callback for the specific interrupt. Multiple
60 * callbacks cal be registered at the same time.
62 * Pointer to the interrupt handle.
66 * address of parameter for callback.
70 * - On failure, a negative value.
72 int rte_intr_callback_register(const struct rte_intr_handle *intr_handle,
73 rte_intr_callback_fn cb, void *cb_arg);
76 * It unregisters the callback according to the specified interrupt handle.
79 * pointer to the interrupt handle.
83 * address of parameter for callback, (void *)-1 means to remove all
84 * registered which has the same callback address.
87 * - On success, return the number of callback entities removed.
88 * - On failure, a negative value.
90 int rte_intr_callback_unregister(const struct rte_intr_handle *intr_handle,
91 rte_intr_callback_fn cb, void *cb_arg);
94 * It enables the interrupt for the specified handle.
97 * pointer to the interrupt handle.
100 * - On success, zero.
101 * - On failure, a negative value.
103 int rte_intr_enable(const struct rte_intr_handle *intr_handle);
106 * It disables the interrupt for the specified handle.
109 * pointer to the interrupt handle.
112 * - On success, zero.
113 * - On failure, a negative value.
115 int rte_intr_disable(const struct rte_intr_handle *intr_handle);