include/linux/usbdevice_fs.h

   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
  39 struct 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
  49 struct usbdevfs_bulktransfer {
  50         unsigned int ep;
  51         unsigned int len;
  52         unsigned int timeout; /* in milliseconds */
  53         void __user *data;
  54 };
  55
  56 struct usbdevfs_setinterface {
  57         unsigned int interface;
  58         unsigned int altsetting;
  59 };
  60
  61 struct usbdevfs_disconnectsignal {
  62         unsigned int signr;
  63         void __user *context;
  64 };
  65
  66 #define USBDEVFS_MAXDRIVERNAME 255
  67
  68 struct usbdevfs_getdriver {
  69         unsigned int interface;
  70         char driver[USBDEVFS_MAXDRIVERNAME + 1];
  71 };
  72
  73 struct 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
  90 struct usbdevfs_iso_packet_desc {
  91         unsigned int length;
  92         unsigned int actual_length;
  93         unsigned int status;
  94 };
  95
  96 struct 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 */
 114 struct 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. */
 123 struct 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
 138 struct 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
 148 struct 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
 155 struct usbdevfs_disconnectsignal32 {
 156         compat_int_t signr;
 157         compat_caddr_t context;
 158 };
 159
 160 struct 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
 176 struct 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 */