LXR linux/tools/usb/usbip/libsrc/usbip_host

   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
  19static 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
  27static 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
  41struct 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};
  54