libvirt/src/util/virusb.h

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/*
2012-12-12 17:04:51 +00:00
* virusb.h: helper APIs for managing host USB devices
*
* Copyright (C) 2009 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Authors:
* Daniel P. Berrange <berrange@redhat.com>
* Michal Privoznik <mprivozn@redhat.com>
*/
#ifndef __VIR_USB_H__
# define __VIR_USB_H__
# include "internal.h"
# include "virobject.h"
# define USB_DEVFS "/dev/bus/usb/"
typedef struct _virUSBDevice virUSBDevice;
typedef virUSBDevice *virUSBDevicePtr;
typedef struct _virUSBDeviceList virUSBDeviceList;
typedef virUSBDeviceList *virUSBDeviceListPtr;
virUSBDevicePtr virUSBDeviceNew(unsigned int bus,
unsigned int devno,
const char *vroot);
int virUSBDeviceFindByBus(unsigned int bus,
unsigned int devno,
const char *vroot,
bool mandatory,
virUSBDevicePtr *usb);
int virUSBDeviceFindByVendor(unsigned int vendor,
unsigned int product,
const char *vroot,
bool mandatory,
virUSBDeviceListPtr *devices);
int virUSBDeviceFind(unsigned int vendor,
unsigned int product,
unsigned int bus,
unsigned int devno,
const char *vroot,
bool mandatory,
virUSBDevicePtr *usb);
void virUSBDeviceFree(virUSBDevicePtr dev);
int virUSBDeviceSetUsedBy(virUSBDevicePtr dev,
const char *drv_name,
const char *dom_name);
void virUSBDeviceGetUsedBy(virUSBDevicePtr dev,
const char **drv_name,
const char **dom_name);
const char *virUSBDeviceGetName(virUSBDevicePtr dev);
unsigned int virUSBDeviceGetBus(virUSBDevicePtr dev);
unsigned int virUSBDeviceGetDevno(virUSBDevicePtr dev);
/*
* Callback that will be invoked once for each file
* associated with / used for USB host device access.
*
* Should return 0 if successfully processed, or
* -1 to indicate error and abort iteration
*/
typedef int (*virUSBDeviceFileActor)(virUSBDevicePtr dev,
const char *path, void *opaque);
int virUSBDeviceFileIterate(virUSBDevicePtr dev,
virUSBDeviceFileActor actor,
void *opaque);
virUSBDeviceListPtr virUSBDeviceListNew(void);
int virUSBDeviceListAdd(virUSBDeviceListPtr list,
virUSBDevicePtr dev);
virUSBDevicePtr virUSBDeviceListGet(virUSBDeviceListPtr list,
int idx);
size_t virUSBDeviceListCount(virUSBDeviceListPtr list);
virUSBDevicePtr virUSBDeviceListSteal(virUSBDeviceListPtr list,
virUSBDevicePtr dev);
void virUSBDeviceListDel(virUSBDeviceListPtr list,
virUSBDevicePtr dev);
virUSBDevicePtr virUSBDeviceListFind(virUSBDeviceListPtr list,
virUSBDevicePtr dev);
#endif /* __VIR_USB_H__ */