tools/usb/usbip/libsrc/usbip_host_driver.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
   4  *               2005-2007 Takahiro Hirofuchi
   5  * Copyright (C) 2015-2016 Samsung Electronics
   6  *               Igor Kotrasinski <i.kotrasinsk@samsung.com>
   7  *               Krzysztof Opasiak <k.opasiak@samsung.com>
   8  */
   9
  10 #include <unistd.h>
  11 #include <libudev.h>
  12
  13 #include "usbip_host_common.h"
  14 #include "usbip_host_driver.h"
  15
  16 #undef  PROGNAME
  17 #define PROGNAME "libusbip"
  18
  19 static int is_my_device(struct udev_device *dev)
  20 {
  21         const char *driver;
  22
  23         driver = udev_device_get_driver(dev);
  24         return driver != NULL && !strcmp(driver, USBIP_HOST_DRV_NAME);
  25 }
  26
  27 static int usbip_host_driver_open(struct usbip_host_driver *hdriver)
  28 {
  29         int ret;
  30
  31         hdriver->ndevs = 0;
  32         INIT_LIST_HEAD(&hdriver->edev_list);
  33
  34         ret = usbip_generic_driver_open(hdriver);
  35         if (ret)
  36                 err("please load " USBIP_CORE_MOD_NAME ".ko and "
  37                     USBIP_HOST_DRV_NAME ".ko!");
  38         return ret;
  39 }
  40
  41 struct usbip_host_driver host_driver = {
  42         .edev_list = LIST_HEAD_INIT(host_driver.edev_list),
  43         .udev_subsystem = "usb",
  44         .ops = {
  45                 .open = usbip_host_driver_open,
  46                 .close = usbip_generic_driver_close,
  47                 .refresh_device_list = usbip_generic_refresh_device_list,
  48                 .get_device = usbip_generic_get_device,
  49                 .read_device = read_usb_device,
  50                 .read_interface = read_usb_interface,
  51                 .is_my_device = is_my_device,
  52         },
  53 };