1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2014 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 #ifdef RTE_EXEC_ENV_BAREMETAL 38 #define MAIN _main 39 #else 40 #define MAIN main 41 #endif 42 43 //#define DEBUG 44 45 #ifdef DEBUG 46 #define LOG_LEVEL RTE_LOG_DEBUG 47 #define LOG_DEBUG(log_type, fmt, args...) do { \ 48 RTE_LOG(DEBUG, log_type, fmt, ##args); \ 49 } while (0) 50 #else 51 #define LOG_LEVEL RTE_LOG_INFO 52 #define LOG_DEBUG(log_type, fmt, args...) do{} while(0) 53 #endif 54 55 /* Macros for printing using RTE_LOG */ 56 #define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1 57 #define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER2 58 #define RTE_LOGTYPE_VHOST_PORT RTE_LOGTYPE_USER3 59 60 /** 61 * Information relating to memory regions including offsets to 62 * addresses in host physical space. 63 */ 64 struct virtio_memory_regions_hpa { 65 /**< Base guest physical address of region. */ 66 uint64_t guest_phys_address; 67 /**< End guest physical address of region. */ 68 uint64_t guest_phys_address_end; 69 /**< Size of region. */ 70 uint64_t memory_size; 71 /**< Offset of region for gpa to hpa translation. */ 72 uint64_t host_phys_addr_offset; 73 }; 74 75 /* 76 * Device linked list structure for data path. 77 */ 78 struct vhost_dev { 79 /**< Pointer to device created by vhost lib. */ 80 struct virtio_net *dev; 81 /**< Number of memory regions for gpa to hpa translation. */ 82 uint32_t nregions_hpa; 83 /**< Memory region information for gpa to hpa translation. */ 84 struct virtio_memory_regions_hpa *regions_hpa; 85 /**< Device MAC address (Obtained on first TX packet). */ 86 struct ether_addr mac_address; 87 /**< RX VMDQ queue number. */ 88 uint16_t vmdq_rx_q; 89 /**< Vlan tag assigned to the pool */ 90 uint32_t vlan_tag; 91 /**< Data core that the device is added to. */ 92 uint16_t coreid; 93 /**< A device is set as ready if the MAC address has been set. */ 94 volatile uint8_t ready; 95 /**< Device is marked for removal from the data core. */ 96 volatile uint8_t remove; 97 } __rte_cache_aligned; 98 99 struct virtio_net_data_ll 100 { 101 struct vhost_dev *vdev; /* Pointer to device created by configuration core. */ 102 struct virtio_net_data_ll *next; /* Pointer to next device in linked list. */ 103 }; 104 105 /* 106 * Structure containing data core specific information. 107 */ 108 struct lcore_ll_info 109 { 110 struct virtio_net_data_ll *ll_root_free; /* Pointer to head in free linked list. */ 111 struct virtio_net_data_ll *ll_root_used; /* Pointer to head of used linked list. */ 112 uint32_t device_num; /* Number of devices on lcore. */ 113 volatile uint8_t dev_removal_flag; /* Flag to synchronize device removal. */ 114 }; 115 116 struct lcore_info 117 { 118 struct lcore_ll_info *lcore_ll; /* Pointer to data core specific lcore_ll_info struct */ 119 }; 120 121 int MAIN(int argc, char **argv); 122 #endif /* _MAIN_H_ */ 123