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34 #ifndef _RTE_INTERRUPTS_H_
35 #error "don't include this file directly, please include generic <rte_interrupts.h>"
38 #ifndef _RTE_LINUXAPP_INTERRUPTS_H_
39 #define _RTE_LINUXAPP_INTERRUPTS_H_
41 #define RTE_MAX_RXTX_INTR_VEC_ID 32
43 enum rte_intr_handle_type {
44 RTE_INTR_HANDLE_UNKNOWN = 0,
45 RTE_INTR_HANDLE_UIO, /**< uio device handle */
46 RTE_INTR_HANDLE_UIO_INTX, /**< uio generic handle */
47 RTE_INTR_HANDLE_VFIO_LEGACY, /**< vfio device handle (legacy) */
48 RTE_INTR_HANDLE_VFIO_MSI, /**< vfio device handle (MSI) */
49 RTE_INTR_HANDLE_VFIO_MSIX, /**< vfio device handle (MSIX) */
50 RTE_INTR_HANDLE_ALARM, /**< alarm handle */
54 /** Handle for interrupts. */
55 struct rte_intr_handle {
57 int vfio_dev_fd; /**< VFIO device file descriptor */
58 int uio_cfg_fd; /**< UIO config file descriptor
59 for uio_pci_generic */
61 int fd; /**< interrupt event file descriptor */
62 enum rte_intr_handle_type type; /**< handle type */
64 uint32_t max_intr; /**< max interrupt requested */
65 uint32_t nb_efd; /**< number of available efd(event fd) */
66 int efds[RTE_MAX_RXTX_INTR_VEC_ID]; /**< intr vectors/efds mapping */
67 int *intr_vec; /**< intr vector number array */
71 #endif /* _RTE_LINUXAPP_INTERRUPTS_H_ */