linux/include/linux/usbdevice_fs.h
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   1/*****************************************************************************/
   2
   3/*
   4 *      usbdevice_fs.h  --  USB device file system.
   5 *
   6 *      Copyright (C) 2000
   7 *          Thomas Sailer (sailer@ife.ee.ethz.ch)
   8 *
   9 *      This program is free software; you can redistribute it and/or modify
  10 *      it under the terms of the GNU General Public License as published by
  11 *      the Free Software Foundation; either version 2 of the License, or
  12 *      (at your option) any later version.
  13 *
  14 *      This program is distributed in the hope that it will be useful,
  15 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 *      GNU General Public License for more details.
  18 *
  19 *      You should have received a copy of the GNU General Public License
  20 *      along with this program; if not, write to the Free Software
  21 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 *
  23 *  History:
  24 *   0.1  04.01.2000  Created
  25 */
  26
  27/*****************************************************************************/
  28
  29#ifndef _LINUX_USBDEVICE_FS_H
  30#define _LINUX_USBDEVICE_FS_H
  31
  32#include <linux/types.h>
  33#include <linux/magic.h>
  34
  35/* --------------------------------------------------------------------- */
  36
  37/* usbdevfs ioctl codes */
  38
  39struct usbdevfs_ctrltransfer {
  40        __u8 bRequestType;
  41        __u8 bRequest;
  42        __u16 wValue;
  43        __u16 wIndex;
  44        __u16 wLength;
  45        __u32 timeout;  /* in milliseconds */
  46        void __user *data;
  47};
  48
  49struct usbdevfs_bulktransfer {
  50        unsigned int ep;
  51        unsigned int len;
  52        unsigned int timeout; /* in milliseconds */
  53        void __user *data;
  54};
  55
  56struct usbdevfs_setinterface {
  57        unsigned int interface;
  58        unsigned int altsetting;
  59};
  60
  61struct usbdevfs_disconnectsignal {
  62        unsigned int signr;
  63        void __user *context;
  64};
  65
  66#define USBDEVFS_MAXDRIVERNAME 255
  67
  68struct usbdevfs_getdriver {
  69        unsigned int interface;
  70        char driver[USBDEVFS_MAXDRIVERNAME + 1];
  71};
  72
  73struct usbdevfs_connectinfo {
  74        unsigned int devnum;
  75        unsigned char slow;
  76};
  77
  78#define USBDEVFS_URB_SHORT_NOT_OK       0x01
  79#define USBDEVFS_URB_ISO_ASAP           0x02
  80#define USBDEVFS_URB_BULK_CONTINUATION  0x04
  81#define USBDEVFS_URB_NO_FSBR            0x20
  82#define USBDEVFS_URB_ZERO_PACKET        0x40
  83#define USBDEVFS_URB_NO_INTERRUPT       0x80
  84
  85#define USBDEVFS_URB_TYPE_ISO              0
  86#define USBDEVFS_URB_TYPE_INTERRUPT        1
  87#define USBDEVFS_URB_TYPE_CONTROL          2
  88#define USBDEVFS_URB_TYPE_BULK             3
  89
  90struct usbdevfs_iso_packet_desc {
  91        unsigned int length;
  92        unsigned int actual_length;
  93        unsigned int status;
  94};
  95
  96struct usbdevfs_urb {
  97        unsigned char type;
  98        unsigned char endpoint;
  99        int status;
 100        unsigned int flags;
 101        void __user *buffer;
 102        int buffer_length;
 103        int actual_length;
 104        int start_frame;
 105        int number_of_packets;
 106        int error_count;
 107        unsigned int signr;     /* signal to be sent on completion,
 108                                  or 0 if none should be sent. */
 109        void __user *usercontext;
 110        struct usbdevfs_iso_packet_desc iso_frame_desc[0];
 111};
 112
 113/* ioctls for talking directly to drivers */
 114struct usbdevfs_ioctl {
 115        int     ifno;           /* interface 0..N ; negative numbers reserved */
 116        int     ioctl_code;     /* MUST encode size + direction of data so the
 117                                 * macros in <asm/ioctl.h> give correct values */
 118        void __user *data;      /* param buffer (in, or out) */
 119};
 120
 121/* You can do most things with hubs just through control messages,
 122 * except find out what device connects to what port. */
 123struct usbdevfs_hub_portinfo {
 124        char nports;            /* number of downstream ports in this hub */
 125        char port [127];        /* e.g. port 3 connects to device 27 */
 126};
 127
 128/* Device capability flags */
 129#define USBDEVFS_CAP_ZERO_PACKET                0x01
 130#define USBDEVFS_CAP_BULK_CONTINUATION          0x02
 131#define USBDEVFS_CAP_NO_PACKET_SIZE_LIM         0x04
 132#define USBDEVFS_CAP_BULK_SCATTER_GATHER        0x08
 133
 134#ifdef __KERNEL__
 135#ifdef CONFIG_COMPAT
 136#include <linux/compat.h>
 137
 138struct usbdevfs_ctrltransfer32 {
 139        u8 bRequestType;
 140        u8 bRequest;
 141        u16 wValue;
 142        u16 wIndex;
 143        u16 wLength;
 144        u32 timeout;  /* in milliseconds */
 145        compat_caddr_t data;
 146};
 147
 148struct usbdevfs_bulktransfer32 {
 149        compat_uint_t ep;
 150        compat_uint_t len;
 151        compat_uint_t timeout; /* in milliseconds */
 152        compat_caddr_t data;
 153};
 154
 155struct usbdevfs_disconnectsignal32 {
 156        compat_int_t signr;
 157        compat_caddr_t context;
 158};
 159
 160struct usbdevfs_urb32 {
 161        unsigned char type;
 162        unsigned char endpoint;
 163        compat_int_t status;
 164        compat_uint_t flags;
 165        compat_caddr_t buffer;
 166        compat_int_t buffer_length;
 167        compat_int_t actual_length;
 168        compat_int_t start_frame;
 169        compat_int_t number_of_packets;
 170        compat_int_t error_count;
 171        compat_uint_t signr;
 172        compat_caddr_t usercontext; /* unused */
 173        struct usbdevfs_iso_packet_desc iso_frame_desc[0];
 174};
 175
 176struct usbdevfs_ioctl32 {
 177        s32 ifno;
 178        s32 ioctl_code;
 179        compat_caddr_t data;
 180};
 181#endif
 182#endif /* __KERNEL__ */
 183
 184#define USBDEVFS_CONTROL           _IOWR('U', 0, struct usbdevfs_ctrltransfer)
 185#define USBDEVFS_CONTROL32           _IOWR('U', 0, struct usbdevfs_ctrltransfer32)
 186#define USBDEVFS_BULK              _IOWR('U', 2, struct usbdevfs_bulktransfer)
 187#define USBDEVFS_BULK32              _IOWR('U', 2, struct usbdevfs_bulktransfer32)
 188#define USBDEVFS_RESETEP           _IOR('U', 3, unsigned int)
 189#define USBDEVFS_SETINTERFACE      _IOR('U', 4, struct usbdevfs_setinterface)
 190#define USBDEVFS_SETCONFIGURATION  _IOR('U', 5, unsigned int)
 191#define USBDEVFS_GETDRIVER         _IOW('U', 8, struct usbdevfs_getdriver)
 192#define USBDEVFS_SUBMITURB         _IOR('U', 10, struct usbdevfs_urb)
 193#define USBDEVFS_SUBMITURB32       _IOR('U', 10, struct usbdevfs_urb32)
 194#define USBDEVFS_DISCARDURB        _IO('U', 11)
 195#define USBDEVFS_REAPURB           _IOW('U', 12, void *)
 196#define USBDEVFS_REAPURB32         _IOW('U', 12, __u32)
 197#define USBDEVFS_REAPURBNDELAY     _IOW('U', 13, void *)
 198#define USBDEVFS_REAPURBNDELAY32   _IOW('U', 13, __u32)
 199#define USBDEVFS_DISCSIGNAL        _IOR('U', 14, struct usbdevfs_disconnectsignal)
 200#define USBDEVFS_DISCSIGNAL32      _IOR('U', 14, struct usbdevfs_disconnectsignal32)
 201#define USBDEVFS_CLAIMINTERFACE    _IOR('U', 15, unsigned int)
 202#define USBDEVFS_RELEASEINTERFACE  _IOR('U', 16, unsigned int)
 203#define USBDEVFS_CONNECTINFO       _IOW('U', 17, struct usbdevfs_connectinfo)
 204#define USBDEVFS_IOCTL             _IOWR('U', 18, struct usbdevfs_ioctl)
 205#define USBDEVFS_IOCTL32           _IOWR('U', 18, struct usbdevfs_ioctl32)
 206#define USBDEVFS_HUB_PORTINFO      _IOR('U', 19, struct usbdevfs_hub_portinfo)
 207#define USBDEVFS_RESET             _IO('U', 20)
 208#define USBDEVFS_CLEAR_HALT        _IOR('U', 21, unsigned int)
 209#define USBDEVFS_DISCONNECT        _IO('U', 22)
 210#define USBDEVFS_CONNECT           _IO('U', 23)
 211#define USBDEVFS_CLAIM_PORT        _IOR('U', 24, unsigned int)
 212#define USBDEVFS_RELEASE_PORT      _IOR('U', 25, unsigned int)
 213#define USBDEVFS_GET_CAPABILITIES  _IOR('U', 26, __u32)
 214
 215#endif /* _LINUX_USBDEVICE_FS_H */
 216
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