Quelle usbdevice_fs.h Sprache: C

/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*****************************************************************************/

/*
* usbdevice_fs.h  --  USB device file system.
*
* Copyright (C) 2000
*          Thomas Sailer (sailer@ife.ee.ethz.ch)
*
* 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*  History:
*   0.1  04.01.2000  Created
*/

/*****************************************************************************/

#ifndef _UAPI_LINUX_USBDEVICE_FS_H
#define _UAPI_LINUX_USBDEVICE_FS_H

#include <linux/types.h>
#include <linux/magic.h>

/* --------------------------------------------------------------------- */

/* usbdevfs ioctl codes */

struct usbdevfs_ctrltransfer {
__u8 bRequestType;
__u8 bRequest;
__u16 wValue;
__u16 wIndex;
__u16 wLength;
__u32 timeout;  /* in milliseconds */
  void __user *data;
};

struct usbdevfs_bulktransfer {
unsigned int ep;
unsigned int len;
unsigned int timeout; /* in milliseconds */
void __user *data;
};

struct usbdevfs_setinterface {
unsigned int interface;
unsigned int altsetting;
};

struct usbdevfs_disconnectsignal {
unsigned int signr;
void __user *context;
};

#define USBDEVFS_MAXDRIVERNAME 255

struct usbdevfs_getdriver {
unsigned int interface;
char driver[USBDEVFS_MAXDRIVERNAME + 1];
};

struct usbdevfs_connectinfo {
unsigned int devnum;
unsigned char slow;
};

struct usbdevfs_conninfo_ex {
__u32 size;  /* Size of the structure from the kernel's */
    /* point of view. Can be used by userspace */
    /* to determine how much data can be       */
    /* used/trusted.                           */
__u32 busnum;           /* USB bus number, as enumerated by the    */
    /* kernel, the device is connected to.     */
__u32 devnum;           /* Device address on the bus.              */
__u32 speed;  /* USB_SPEED_* constants from ch9.h        */
__u8 num_ports;  /* Number of ports the device is connected */
    /* to on the way to the root hub. It may   */
    /* be bigger than size of 'ports' array so */
    /* userspace can detect overflows.         */
__u8 ports[7];  /* List of ports on the way from the root  */
    /* hub to the device. Current limit in     */
    /* USB specification is 7 tiers (root hub, */
    /* 5 intermediate hubs, device), which     */
    /* gives at most 6 port entries.           */
};

#define USBDEVFS_URB_SHORT_NOT_OK 0x01
#define USBDEVFS_URB_ISO_ASAP  0x02
#define USBDEVFS_URB_BULK_CONTINUATION 0x04
#define USBDEVFS_URB_NO_FSBR  0x20 /* Not used */
#define USBDEVFS_URB_ZERO_PACKET 0x40
#define USBDEVFS_URB_NO_INTERRUPT 0x80

#define USBDEVFS_URB_TYPE_ISO     0
#define USBDEVFS_URB_TYPE_INTERRUPT    1
#define USBDEVFS_URB_TYPE_CONTROL    2
#define USBDEVFS_URB_TYPE_BULK     3

struct usbdevfs_iso_packet_desc {
unsigned int length;
unsigned int actual_length;
unsigned int status;
};

struct usbdevfs_urb {
unsigned char type;
unsigned char endpoint;
int status;
unsigned int flags;
void __user *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; /* signal to be sent on completion,
  or 0 if none should be sent. */
void __user *usercontext;
struct usbdevfs_iso_packet_desc iso_frame_desc[];
};

/* ioctls for talking directly to drivers */
struct usbdevfs_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 __user *data; /* param buffer (in, or out) */
};

/* You can do most things with hubs just through control messages,
* except find out what device connects to what port. */
struct usbdevfs_hub_portinfo {
char nports;  /* number of downstream ports in this hub */
char port [127]; /* e.g. port 3 connects to device 27 */
};

/* System and bus capability flags */
#define USBDEVFS_CAP_ZERO_PACKET  0x01
#define USBDEVFS_CAP_BULK_CONTINUATION  0x02
#define USBDEVFS_CAP_NO_PACKET_SIZE_LIM  0x04
#define USBDEVFS_CAP_BULK_SCATTER_GATHER 0x08
#define USBDEVFS_CAP_REAP_AFTER_DISCONNECT 0x10
#define USBDEVFS_CAP_MMAP   0x20
#define USBDEVFS_CAP_DROP_PRIVILEGES  0x40
#define USBDEVFS_CAP_CONNINFO_EX  0x80
#define USBDEVFS_CAP_SUSPEND   0x100

/* USBDEVFS_DISCONNECT_CLAIM flags & struct */

/* disconnect-and-claim if the driver matches the driver field */
#define USBDEVFS_DISCONNECT_CLAIM_IF_DRIVER 0x01
/* disconnect-and-claim except when the driver matches the driver field */
#define USBDEVFS_DISCONNECT_CLAIM_EXCEPT_DRIVER 0x02

struct usbdevfs_disconnect_claim {
unsigned int interface;
unsigned int flags;
char driver[USBDEVFS_MAXDRIVERNAME + 1];
};

struct usbdevfs_streams {
unsigned int num_streams; /* Not used by USBDEVFS_FREE_STREAMS */
unsigned int num_eps;
unsigned char eps[];
};

/*
* USB_SPEED_* values returned by USBDEVFS_GET_SPEED are defined in
* linux/usb/ch9.h
*/

#define USBDEVFS_CONTROL           _IOWR('U', 0, struct usbdevfs_ctrltransfer)
#define USBDEVFS_CONTROL32           _IOWR('U', 0, struct usbdevfs_ctrltransfer32)
#define USBDEVFS_BULK              _IOWR('U', 2, struct usbdevfs_bulktransfer)
#define USBDEVFS_BULK32              _IOWR('U', 2, struct usbdevfs_bulktransfer32)
#define USBDEVFS_RESETEP           _IOR('U', 3, unsigned int)
#define USBDEVFS_SETINTERFACE      _IOR('U', 4, struct usbdevfs_setinterface)
#define USBDEVFS_SETCONFIGURATION  _IOR('U', 5, unsigned int)
#define USBDEVFS_GETDRIVER         _IOW('U', 8, struct usbdevfs_getdriver)
#define USBDEVFS_SUBMITURB         _IOR('U', 10, struct usbdevfs_urb)
#define USBDEVFS_SUBMITURB32       _IOR('U', 10, struct usbdevfs_urb32)
#define USBDEVFS_DISCARDURB        _IO('U', 11)
#define USBDEVFS_REAPURB           _IOW('U', 12, void *)
#define USBDEVFS_REAPURB32         _IOW('U', 12, __u32)
#define USBDEVFS_REAPURBNDELAY     _IOW('U', 13, void *)
#define USBDEVFS_REAPURBNDELAY32   _IOW('U', 13, __u32)
#define USBDEVFS_DISCSIGNAL        _IOR('U', 14, struct usbdevfs_disconnectsignal)
#define USBDEVFS_DISCSIGNAL32      _IOR('U', 14, struct usbdevfs_disconnectsignal32)
#define USBDEVFS_CLAIMINTERFACE    _IOR('U', 15, unsigned int)
#define USBDEVFS_RELEASEINTERFACE  _IOR('U', 16, unsigned int)
#define USBDEVFS_CONNECTINFO       _IOW('U', 17, struct usbdevfs_connectinfo)
#define USBDEVFS_IOCTL             _IOWR('U', 18, struct usbdevfs_ioctl)
#define USBDEVFS_IOCTL32           _IOWR('U', 18, struct usbdevfs_ioctl32)
#define USBDEVFS_HUB_PORTINFO      _IOR('U', 19, struct usbdevfs_hub_portinfo)
#define USBDEVFS_RESET             _IO('U', 20)
#define USBDEVFS_CLEAR_HALT        _IOR('U', 21, unsigned int)
#define USBDEVFS_DISCONNECT        _IO('U', 22)
#define USBDEVFS_CONNECT           _IO('U', 23)
#define USBDEVFS_CLAIM_PORT        _IOR('U', 24, unsigned int)
#define USBDEVFS_RELEASE_PORT      _IOR('U', 25, unsigned int)
#define USBDEVFS_GET_CAPABILITIES  _IOR('U', 26, __u32)
#define USBDEVFS_DISCONNECT_CLAIM  _IOR('U', 27, struct usbdevfs_disconnect_claim)
#define USBDEVFS_ALLOC_STREAMS     _IOR('U', 28, struct usbdevfs_streams)
#define USBDEVFS_FREE_STREAMS      _IOR('U', 29, struct usbdevfs_streams)
#define USBDEVFS_DROP_PRIVILEGES   _IOW('U', 30, __u32)
#define USBDEVFS_GET_SPEED         _IO('U', 31)
/*
* Returns struct usbdevfs_conninfo_ex; length is variable to allow
* extending size of the data returned.
*/
#define USBDEVFS_CONNINFO_EX(len)  _IOC(_IOC_READ, 'U', 32, len)
#define USBDEVFS_FORBID_SUSPEND    _IO('U', 33)
#define USBDEVFS_ALLOW_SUSPEND     _IO('U', 34)
#define USBDEVFS_WAIT_FOR_RESUME   _IO('U', 35)

#endif /* _UAPI_LINUX_USBDEVICE_FS_H */

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