1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. 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 Intel Corporation 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 _MAIN_H_ 35 #define _MAIN_H_ 36 37 #include <sys/queue.h> 38 39 /* Macros for printing using RTE_LOG */ 40 #define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1 41 #define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER2 42 #define RTE_LOGTYPE_VHOST_PORT RTE_LOGTYPE_USER3 43 44 struct device_statistics { 45 uint64_t tx; 46 uint64_t tx_total; 47 rte_atomic64_t rx_atomic; 48 rte_atomic64_t rx_total_atomic; 49 }; 50 51 struct vhost_dev { 52 /**< Number of memory regions for gpa to hpa translation. */ 53 uint32_t nregions_hpa; 54 /**< Device MAC address (Obtained on first TX packet). */ 55 struct ether_addr mac_address; 56 /**< RX VMDQ queue number. */ 57 uint16_t vmdq_rx_q; 58 /**< Vlan tag assigned to the pool */ 59 uint32_t vlan_tag; 60 /**< Data core that the device is added to. */ 61 uint16_t coreid; 62 /**< A device is set as ready if the MAC address has been set. */ 63 volatile uint8_t ready; 64 /**< Device is marked for removal from the data core. */ 65 volatile uint8_t remove; 66 67 int vid; 68 struct device_statistics stats; 69 TAILQ_ENTRY(vhost_dev) global_vdev_entry; 70 TAILQ_ENTRY(vhost_dev) lcore_vdev_entry; 71 } __rte_cache_aligned; 72 73 TAILQ_HEAD(vhost_dev_tailq_list, vhost_dev); 74 75 76 #define REQUEST_DEV_REMOVAL 1 77 #define ACK_DEV_REMOVAL 0 78 79 /* 80 * Structure containing data core specific information. 81 */ 82 struct lcore_info { 83 uint32_t device_num; 84 85 /* Flag to synchronize device removal. */ 86 volatile uint8_t dev_removal_flag; 87 88 struct vhost_dev_tailq_list vdev_list; 89 }; 90 91 #endif /* _MAIN_H_ */ 92