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34 #ifndef _RTE_INTERRUPTS_H_
35 #define _RTE_INTERRUPTS_H_
40 * The RTE interrupt interface provides functions to register/unregister
41 * callbacks for a specific interrupt.
48 /** Interrupt handle */
49 struct rte_intr_handle;
51 /** Function to be registered for the specific interrupt */
52 typedef void (*rte_intr_callback_fn)(struct rte_intr_handle *intr_handle,
55 #include <exec-env/rte_interrupts.h>
58 * It registers the callback for the specific interrupt. Multiple
59 * callbacks cal be registered at the same time.
61 * Pointer to the interrupt handle.
65 * address of parameter for callback.
69 * - On failure, a negative value.
71 int rte_intr_callback_register(struct rte_intr_handle *intr_handle,
72 rte_intr_callback_fn cb, void *cb_arg);
75 * It unregisters the callback according to the specified interrupt handle.
78 * pointer to the interrupt handle.
82 * address of parameter for callback, (void *)-1 means to remove all
83 * registered which has the same callback address.
86 * - On success, return the number of callback entities removed.
87 * - On failure, a negative value.
89 int rte_intr_callback_unregister(struct rte_intr_handle *intr_handle,
90 rte_intr_callback_fn cb, void *cb_arg);
93 * It enables the interrupt for the specified handle.
96 * pointer to the interrupt handle.
100 * - On failure, a negative value.
102 int rte_intr_enable(struct rte_intr_handle *intr_handle);
105 * It disables the interrupt for the specified handle.
108 * pointer to the interrupt handle.
111 * - On success, zero.
112 * - On failure, a negative value.
114 int rte_intr_disable(struct rte_intr_handle *intr_handle);