uspace/drv/nic/virtio-net/virtio-net.c

   1 /*
   2  * Copyright (c) 2018 Jakub Jermar
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <stdio.h>
  30
  31 #include <ddf/driver.h>
  32 #include <ddf/log.h>
  33 #include <ops/nic.h>
  34
  35 #include <nic.h>
  36
  37 #define NAME    "virtio-net"
  38
  39 static errno_t virtio_net_dev_add(ddf_dev_t *dev)
  40 {
  41         ddf_msg(LVL_NOTE, "%s %s (handle = %zu)", __func__,
  42             ddf_dev_get_name(dev), ddf_dev_get_handle(dev));
  43
  44         return ENOTSUP;
  45 }
  46
  47 static ddf_dev_ops_t virtio_net_dev_ops;
  48
  49 static driver_ops_t virtio_net_driver_ops = {
  50         .dev_add = virtio_net_dev_add
  51 };
  52
  53 static driver_t virtio_net_driver = {
  54         .name = NAME,
  55         .driver_ops = &virtio_net_driver_ops
  56 };
  57
  58 static nic_iface_t virtio_net_nic_iface;
  59
  60 int main(void)
  61 {
  62         printf("%s: HelenOS virtio-net driver\n", NAME);
  63
  64         if (nic_driver_init(NAME) != EOK)
  65                 return 1;
  66
  67         nic_driver_implement(&virtio_net_driver_ops, &virtio_net_dev_ops,
  68             &virtio_net_nic_iface);
  69
  70         (void) ddf_log_init(NAME);
  71         return ddf_driver_main(&virtio_net_driver);
  72 }