-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
*/
#ifndef _RTE_INTERRUPTS_H_
#error "don't include this file directly, please include generic <rte_interrupts.h>"
#endif
+/**
+ * @file rte_eal_interrupts.h
+ * @internal
+ *
+ * Contains function prototypes exposed by the EAL for interrupt handling by
+ * drivers and other DPDK internal consumers.
+ */
+
#ifndef _RTE_EAL_INTERRUPTS_H_
#define _RTE_EAL_INTERRUPTS_H_
-#define RTE_MAX_RXTX_INTR_VEC_ID 32
+#define RTE_MAX_RXTX_INTR_VEC_ID 512
#define RTE_INTR_VEC_ZERO_OFFSET 0
#define RTE_INTR_VEC_RXTX_OFFSET 1
RTE_INTR_HANDLE_ALARM, /**< alarm handle */
RTE_INTR_HANDLE_EXT, /**< external handler */
RTE_INTR_HANDLE_VDEV, /**< virtual device */
+ RTE_INTR_HANDLE_DEV_EVENT, /**< device event handle */
+ RTE_INTR_HANDLE_VFIO_REQ, /**< VFIO request handle */
RTE_INTR_HANDLE_MAX /**< count of elements */
};
enum rte_intr_handle_type type; /**< handle type */
uint32_t max_intr; /**< max interrupt requested */
uint32_t nb_efd; /**< number of available efd(event fd) */
+ uint8_t efd_counter_size; /**< size of efd counter, used for vdev */
int efds[RTE_MAX_RXTX_INTR_VEC_ID]; /**< intr vectors/efds mapping */
struct rte_epoll_event elist[RTE_MAX_RXTX_INTR_VEC_ID];
/**< intr vector epoll event */
int
rte_intr_cap_multiple(struct rte_intr_handle *intr_handle);
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice
+ *
+ * @internal
+ * Check if currently executing in interrupt context
+ *
+ * @return
+ * - non zero in case of interrupt context
+ * - zero in case of process context
+ */
+__rte_experimental
+int
+rte_thread_is_intr(void);
+
#endif /* _RTE_EAL_INTERRUPTS_H_ */