1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2016 IGEL Co., Ltd. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of IGEL Co., Ltd. nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef _RTE_ETH_VHOST_H_ 35 #define _RTE_ETH_VHOST_H_ 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 #include <stdint.h> 42 #include <stdbool.h> 43 44 #include <rte_vhost.h> 45 46 /* 47 * Event description. 48 */ 49 struct rte_eth_vhost_queue_event { 50 uint16_t queue_id; 51 bool rx; 52 bool enable; 53 }; 54 55 /** 56 * Get queue events from specified port. 57 * If a callback for below event is registered by 58 * rte_eth_dev_callback_register(), this function will describe what was 59 * changed. 60 * - RTE_ETH_EVENT_QUEUE_STATE 61 * Multiple events may cause only one callback kicking, so call this function 62 * while returning 0. 63 * 64 * @param port_id 65 * Port id. 66 * @param event 67 * Pointer to a rte_eth_vhost_queue_event structure. 68 * @return 69 * - On success, zero. 70 * - On failure, a negative value. 71 */ 72 int rte_eth_vhost_get_queue_event(uint16_t port_id, 73 struct rte_eth_vhost_queue_event *event); 74 75 /** 76 * Get the 'vid' value associated with the specified port. 77 * 78 * @return 79 * - On success, the 'vid' associated with 'port_id'. 80 * - On failure, a negative value. 81 */ 82 int rte_eth_vhost_get_vid_from_port_id(uint16_t port_id); 83 84 #ifdef __cplusplus 85 } 86 #endif 87 88 #endif 89