ceph/src/seastar/dpdk/examples/vhost_xen/main.h

   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 /* Macros for printing using RTE_LOG */
  38 #define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
  39 #define RTE_LOGTYPE_VHOST_DATA   RTE_LOGTYPE_USER2
  40 #define RTE_LOGTYPE_VHOST_PORT   RTE_LOGTYPE_USER3
  41
  42 /*
  43  * Device linked list structure for data path.
  44  */
  45 struct virtio_net_data_ll
  46 {
  47         struct virtio_net          *dev;   /* Pointer to device created by configuration core. */
  48         struct virtio_net_data_ll  *next;  /* Pointer to next device in linked list. */
  49 };
  50
  51 /*
  52  * Structure containing data core specific information.
  53  */
  54 struct lcore_ll_info
  55 {
  56         struct virtio_net_data_ll    *ll_root_free;     /* Pointer to head in free linked list. */
  57         struct virtio_net_data_ll    *ll_root_used;         /* Pointer to head of used linked list. */
  58         uint32_t                      device_num;       /* Number of devices on lcore. */
  59         volatile  uint8_t             dev_removal_flag; /* Flag to synchronize device removal. */
  60 };
  61
  62 struct lcore_info
  63 {
  64         struct lcore_ll_info    *lcore_ll;      /* Pointer to data core specific lcore_ll_info struct */
  65 };
  66 #endif /* _MAIN_H_ */