tools/usb/usbip/libsrc/usbip_host_driver.c

   1 /*
   2  * Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
   3  *               2005-2007 Takahiro Hirofuchi
   4  * Copyright (C) 2015-2016 Samsung Electronics
   5  *               Igor Kotrasinski <i.kotrasinsk@samsung.com>
   6  *               Krzysztof Opasiak <k.opasiak@samsung.com>
   7  *
   8  * This program is free software: you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation, either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 #include <unistd.h>
  23 #include <libudev.h>
  24
  25 #include "usbip_host_common.h"
  26 #include "usbip_host_driver.h"
  27
  28 #undef  PROGNAME
  29 #define PROGNAME "libusbip"
  30
  31 static int is_my_device(struct udev_device *dev)
  32 {
  33         const char *driver;
  34
  35         driver = udev_device_get_driver(dev);
  36         return driver != NULL && !strcmp(driver, USBIP_HOST_DRV_NAME);
  37 }
  38
  39 static int usbip_host_driver_open(struct usbip_host_driver *hdriver)
  40 {
  41         int ret;
  42
  43         hdriver->ndevs = 0;
  44         INIT_LIST_HEAD(&hdriver->edev_list);
  45
  46         ret = usbip_generic_driver_open(hdriver);
  47         if (ret)
  48                 err("please load " USBIP_CORE_MOD_NAME ".ko and "
  49                     USBIP_HOST_DRV_NAME ".ko!");
  50         return ret;
  51 }
  52
  53 struct usbip_host_driver host_driver = {
  54         .edev_list = LIST_HEAD_INIT(host_driver.edev_list),
  55         .udev_subsystem = "usb",
  56         .ops = {
  57                 .open = usbip_host_driver_open,
  58                 .close = usbip_generic_driver_close,
  59                 .refresh_device_list = usbip_generic_refresh_device_list,
  60                 .get_device = usbip_generic_get_device,
  61                 .read_device = read_usb_device,
  62                 .read_interface = read_usb_interface,
  63                 .is_my_device = is_my_device,
  64         },
  65 };