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/*
* usbfs header structures
* Copyright © 2007 Daniel Drake <dsd@gentoo.org>
* Copyright © 2001 Johannes Erdfelt <johannes@erdfelt.com>
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef LIBUSB_USBFS_H
#define LIBUSB_USBFS_H
#include <linux/magic.h>
#include <linux/types.h>
#define SYSFS_MOUNT_PATH "/sys"
#define SYSFS_DEVICE_PATH SYSFS_MOUNT_PATH "/bus/usb/devices"
struct usbfs_ctrltransfer {
/* keep in sync with usbdevice_fs.h:usbdevfs_ctrltransfer */
__u8 bmRequestType;
__u8 bRequest;
__u16 wValue;
__u16 wIndex;
__u16 wLength;
__u32 timeout; /* in milliseconds */
/* pointer to data */
void *data;
};
struct usbfs_setinterface {
/* keep in sync with usbdevice_fs.h:usbdevfs_setinterface */
unsigned int interface;
unsigned int altsetting;
};
#define USBFS_MAXDRIVERNAME 255
struct usbfs_getdriver {
unsigned int interface;
char driver[USBFS_MAXDRIVERNAME + 1];
};
#define USBFS_URB_SHORT_NOT_OK 0x01
#define USBFS_URB_ISO_ASAP 0x02
#define USBFS_URB_BULK_CONTINUATION 0x04
#define USBFS_URB_QUEUE_BULK 0x10
#define USBFS_URB_ZERO_PACKET 0x40
#define USBFS_URB_TYPE_ISO 0
#define USBFS_URB_TYPE_INTERRUPT 1
#define USBFS_URB_TYPE_CONTROL 2
#define USBFS_URB_TYPE_BULK 3
struct usbfs_iso_packet_desc {
unsigned int length;
unsigned int actual_length;
unsigned int status;
};
#define MAX_BULK_BUFFER_LENGTH 16384
#define MAX_CTRL_BUFFER_LENGTH 4096
#define MAX_ISO_PACKETS_PER_URB 128
struct usbfs_urb {
unsigned char type;
unsigned char endpoint;
int status;
unsigned int flags;
void *buffer;
int buffer_length;
int actual_length;
int start_frame;
union {
int number_of_packets; /* Only used for isoc urbs */
unsigned int stream_id; /* Only used with bulk streams */
};
int error_count;
unsigned int signr;
void *usercontext;
struct usbfs_iso_packet_desc iso_frame_desc[0];
};
struct usbfs_connectinfo {
unsigned int devnum;
unsigned char slow;
};
struct usbfs_ioctl {
int ifno; /* interface 0..N ; negative numbers reserved */
int ioctl_code; /* MUST encode size + direction of data so the
* macros in <asm/ioctl.h> give correct values */
void *data; /* param buffer (in, or out) */
};
#define USBFS_CAP_ZERO_PACKET 0x01
#define USBFS_CAP_BULK_CONTINUATION 0x02
#define USBFS_CAP_NO_PACKET_SIZE_LIM 0x04
#define USBFS_CAP_BULK_SCATTER_GATHER 0x08
#define USBFS_CAP_REAP_AFTER_DISCONNECT 0x10
#define USBFS_DISCONNECT_CLAIM_IF_DRIVER 0x01
#define USBFS_DISCONNECT_CLAIM_EXCEPT_DRIVER 0x02
struct usbfs_disconnect_claim {
unsigned int interface;
unsigned int flags;
char driver[USBFS_MAXDRIVERNAME + 1];
};
struct usbfs_streams {
unsigned int num_streams; /* Not used by USBDEVFS_FREE_STREAMS */
unsigned int num_eps;
unsigned char eps[0];
};
#define USBFS_SPEED_UNKNOWN 0
#define USBFS_SPEED_LOW 1
#define USBFS_SPEED_FULL 2
#define USBFS_SPEED_HIGH 3
#define USBFS_SPEED_WIRELESS 4
#define USBFS_SPEED_SUPER 5
#define USBFS_SPEED_SUPER_PLUS 6
#define IOCTL_USBFS_CONTROL _IOWR('U', 0, struct usbfs_ctrltransfer)
#define IOCTL_USBFS_SETINTERFACE _IOR('U', 4, struct usbfs_setinterface)
#define IOCTL_USBFS_SETCONFIGURATION _IOR('U', 5, unsigned int)
#define IOCTL_USBFS_GETDRIVER _IOW('U', 8, struct usbfs_getdriver)
#define IOCTL_USBFS_SUBMITURB _IOR('U', 10, struct usbfs_urb)
#define IOCTL_USBFS_DISCARDURB _IO('U', 11)
#define IOCTL_USBFS_REAPURBNDELAY _IOW('U', 13, void *)
#define IOCTL_USBFS_CLAIMINTERFACE _IOR('U', 15, unsigned int)
#define IOCTL_USBFS_RELEASEINTERFACE _IOR('U', 16, unsigned int)
#define IOCTL_USBFS_CONNECTINFO _IOW('U', 17, struct usbfs_connectinfo)
#define IOCTL_USBFS_IOCTL _IOWR('U', 18, struct usbfs_ioctl)
#define IOCTL_USBFS_RESET _IO('U', 20)
#define IOCTL_USBFS_CLEAR_HALT _IOR('U', 21, unsigned int)
#define IOCTL_USBFS_DISCONNECT _IO('U', 22)
#define IOCTL_USBFS_CONNECT _IO('U', 23)
#define IOCTL_USBFS_GET_CAPABILITIES _IOR('U', 26, __u32)
#define IOCTL_USBFS_DISCONNECT_CLAIM _IOR('U', 27, struct usbfs_disconnect_claim)
#define IOCTL_USBFS_ALLOC_STREAMS _IOR('U', 28, struct usbfs_streams)
#define IOCTL_USBFS_FREE_STREAMS _IOR('U', 29, struct usbfs_streams)
#define IOCTL_USBFS_DROP_PRIVILEGES _IOW('U', 30, __u32)
#define IOCTL_USBFS_GET_SPEED _IO('U', 31)
extern usbi_mutex_static_t linux_hotplug_lock;
#ifdef HAVE_LIBUDEV
int linux_udev_start_event_monitor(void);
int linux_udev_stop_event_monitor(void);
int linux_udev_scan_devices(struct libusb_context *ctx);
void linux_udev_hotplug_poll(void);
#else
int linux_netlink_start_event_monitor(void);
int linux_netlink_stop_event_monitor(void);
void linux_netlink_hotplug_poll(void);
#endif
static inline int linux_start_event_monitor(void)
{
#if defined(HAVE_LIBUDEV)
return linux_udev_start_event_monitor();
#elif !defined(__ANDROID__)
return linux_netlink_start_event_monitor();
#else
return LIBUSB_SUCCESS;
#endif
}
static inline void linux_stop_event_monitor(void)
{
#if defined(HAVE_LIBUDEV)
linux_udev_stop_event_monitor();
#elif !defined(__ANDROID__)
linux_netlink_stop_event_monitor();
#endif
}
static inline void linux_hotplug_poll(void)
{
#if defined(HAVE_LIBUDEV)
linux_udev_hotplug_poll();
#elif !defined(__ANDROID__)
linux_netlink_hotplug_poll();
#endif
}
void linux_hotplug_enumerate(uint8_t busnum, uint8_t devaddr, const char *sys_name);
void linux_device_disconnected(uint8_t busnum, uint8_t devaddr);
int linux_get_device_address(struct libusb_context *ctx, int detached,
uint8_t *busnum, uint8_t *devaddr, const char *dev_node,
const char *sys_name, int fd);
int linux_enumerate_device(struct libusb_context *ctx,
uint8_t busnum, uint8_t devaddr, const char *sysfs_dir);
#endif
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