1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2017 Intel Corporation 3 */ 4 5 #ifndef _MAIN_H_ 6 #define _MAIN_H_ 7 8 #include <sys/queue.h> 9 10 #include <rte_ether.h> 11 #include <rte_pci.h> 12 13 /* Macros for printing using RTE_LOG */ 14 #define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1 15 #define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER2 16 #define RTE_LOGTYPE_VHOST_PORT RTE_LOGTYPE_USER3 17 18 enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM}; 19 20 #define MAX_PKT_BURST 32 /* Max burst size for RX/TX */ 21 22 struct device_statistics { 23 uint64_t tx; 24 uint64_t tx_total; 25 uint64_t rx_atomic; 26 uint64_t rx_total_atomic; 27 }; 28 29 struct vhost_queue { 30 struct rte_vhost_vring vr; 31 uint16_t last_avail_idx; 32 uint16_t last_used_idx; 33 }; 34 35 struct vhost_dev { 36 /**< Number of memory regions for gpa to hpa translation. */ 37 uint32_t nregions_hpa; 38 /**< Device MAC address (Obtained on first TX packet). */ 39 struct rte_ether_addr mac_address; 40 /**< RX VMDQ queue number. */ 41 uint16_t vmdq_rx_q; 42 /**< Vlan tag assigned to the pool */ 43 uint32_t vlan_tag; 44 /**< Data core that the device is added to. */ 45 uint16_t coreid; 46 /**< A device is set as ready if the MAC address has been set. */ 47 volatile uint8_t ready; 48 /**< Device is marked for removal from the data core. */ 49 volatile uint8_t remove; 50 51 int vid; 52 uint64_t features; 53 size_t hdr_len; 54 uint16_t nr_vrings; 55 struct rte_vhost_memory *mem; 56 struct device_statistics stats; 57 TAILQ_ENTRY(vhost_dev) global_vdev_entry; 58 TAILQ_ENTRY(vhost_dev) lcore_vdev_entry; 59 60 #define MAX_QUEUE_PAIRS 4 61 struct vhost_queue queues[MAX_QUEUE_PAIRS * 2]; 62 } __rte_cache_aligned; 63 64 TAILQ_HEAD(vhost_dev_tailq_list, vhost_dev); 65 66 67 #define REQUEST_DEV_REMOVAL 1 68 #define ACK_DEV_REMOVAL 0 69 70 /* 71 * Structure containing data core specific information. 72 */ 73 struct lcore_info { 74 uint32_t device_num; 75 76 /* Flag to synchronize device removal. */ 77 volatile uint8_t dev_removal_flag; 78 79 struct vhost_dev_tailq_list vdev_list; 80 }; 81 82 struct dma_info { 83 struct rte_pci_addr addr; 84 int16_t dev_id; 85 bool async_enabled; 86 }; 87 88 struct dma_for_vhost { 89 struct dma_info dmas[RTE_MAX_QUEUES_PER_PORT * 2]; 90 }; 91 92 /* we implement non-extra virtio net features */ 93 #define VIRTIO_NET_FEATURES 0 94 95 void vs_vhost_net_setup(struct vhost_dev *dev); 96 void vs_vhost_net_remove(struct vhost_dev *dev); 97 uint16_t vs_enqueue_pkts(struct vhost_dev *dev, uint16_t queue_id, 98 struct rte_mbuf **pkts, uint32_t count); 99 100 uint16_t vs_dequeue_pkts(struct vhost_dev *dev, uint16_t queue_id, 101 struct rte_mempool *mbuf_pool, 102 struct rte_mbuf **pkts, uint16_t count); 103 #endif /* _MAIN_H_ */ 104