105 строки
3.2 KiB
C
105 строки
3.2 KiB
C
/*
|
|
* Copyright (C) 2015-2016 Samsung Electronics
|
|
* Igor Kotrasinski <i.kotrasinsk@samsung.com>
|
|
* Krzysztof Opasiak <k.opasiak@samsung.com>
|
|
*
|
|
* Refactored from usbip_host_driver.c, which is:
|
|
* Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
|
|
* 2005-2007 Takahiro Hirofuchi
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef __USBIP_HOST_COMMON_H
|
|
#define __USBIP_HOST_COMMON_H
|
|
|
|
#include <stdint.h>
|
|
#include <libudev.h>
|
|
#include <errno.h>
|
|
#include "list.h"
|
|
#include "usbip_common.h"
|
|
#include "sysfs_utils.h"
|
|
|
|
struct usbip_host_driver;
|
|
|
|
struct usbip_host_driver_ops {
|
|
int (*open)(struct usbip_host_driver *hdriver);
|
|
void (*close)(struct usbip_host_driver *hdriver);
|
|
int (*refresh_device_list)(struct usbip_host_driver *hdriver);
|
|
struct usbip_exported_device * (*get_device)(
|
|
struct usbip_host_driver *hdriver, int num);
|
|
|
|
int (*read_device)(struct udev_device *sdev,
|
|
struct usbip_usb_device *dev);
|
|
int (*read_interface)(struct usbip_usb_device *udev, int i,
|
|
struct usbip_usb_interface *uinf);
|
|
int (*is_my_device)(struct udev_device *udev);
|
|
};
|
|
|
|
struct usbip_host_driver {
|
|
int ndevs;
|
|
/* list of exported device */
|
|
struct list_head edev_list;
|
|
const char *udev_subsystem;
|
|
struct usbip_host_driver_ops ops;
|
|
};
|
|
|
|
struct usbip_exported_device {
|
|
struct udev_device *sudev;
|
|
int32_t status;
|
|
struct usbip_usb_device udev;
|
|
struct list_head node;
|
|
struct usbip_usb_interface uinf[];
|
|
};
|
|
|
|
/* External API to access the driver */
|
|
static inline int usbip_driver_open(struct usbip_host_driver *hdriver)
|
|
{
|
|
if (!hdriver->ops.open)
|
|
return -EOPNOTSUPP;
|
|
return hdriver->ops.open(hdriver);
|
|
}
|
|
|
|
static inline void usbip_driver_close(struct usbip_host_driver *hdriver)
|
|
{
|
|
if (!hdriver->ops.close)
|
|
return;
|
|
hdriver->ops.close(hdriver);
|
|
}
|
|
|
|
static inline int usbip_refresh_device_list(struct usbip_host_driver *hdriver)
|
|
{
|
|
if (!hdriver->ops.refresh_device_list)
|
|
return -EOPNOTSUPP;
|
|
return hdriver->ops.refresh_device_list(hdriver);
|
|
}
|
|
|
|
static inline struct usbip_exported_device *
|
|
usbip_get_device(struct usbip_host_driver *hdriver, int num)
|
|
{
|
|
if (!hdriver->ops.get_device)
|
|
return NULL;
|
|
return hdriver->ops.get_device(hdriver, num);
|
|
}
|
|
|
|
/* Helper functions for implementing driver backend */
|
|
int usbip_generic_driver_open(struct usbip_host_driver *hdriver);
|
|
void usbip_generic_driver_close(struct usbip_host_driver *hdriver);
|
|
int usbip_generic_refresh_device_list(struct usbip_host_driver *hdriver);
|
|
int usbip_export_device(struct usbip_exported_device *edev, int sockfd);
|
|
struct usbip_exported_device *usbip_generic_get_device(
|
|
struct usbip_host_driver *hdriver, int num);
|
|
|
|
#endif /* __USBIP_HOST_COMMON_H */
|