4 * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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
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.
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.
37 #include <sys/queue.h>
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
44 struct device_statistics {
47 rte_atomic64_t rx_atomic;
48 rte_atomic64_t rx_total_atomic;
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. */
58 /**< Vlan tag assigned to the pool */
60 /**< Data core that the device is added to. */
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;
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;
73 TAILQ_HEAD(vhost_dev_tailq_list, vhost_dev);
76 #define REQUEST_DEV_REMOVAL 1
77 #define ACK_DEV_REMOVAL 0
80 * Structure containing data core specific information.
85 /* Flag to synchronize device removal. */
86 volatile uint8_t dev_removal_flag;
88 struct vhost_dev_tailq_list vdev_list;