include/uapi/linux/usbdevice_fs.h

   1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
   2 /*****************************************************************************/
   3
   4 /*
   5  *      usbdevice_fs.h  --  USB device file system.
   6  *
   7  *      Copyright (C) 2000
   8  *          Thomas Sailer (sailer@ife.ee.ethz.ch)
   9  *
  10  *      This program is free software; you can redistribute it and/or modify
  11  *      it under the terms of the GNU General Public License as published by
  12  *      the Free Software Foundation; either version 2 of the License, or
  13  *      (at your option) any later version.
  14  *
  15  *      This program is distributed in the hope that it will be useful,
  16  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *      GNU General Public License for more details.
  19  *
  20  *      You should have received a copy of the GNU General Public License
  21  *      along with this program; if not, write to the Free Software
  22  *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  *
  24  *  History:
  25  *   0.1  04.01.2000  Created
  26  */
  27
  28 /*****************************************************************************/
  29
  30 #ifndef _UAPI_LINUX_USBDEVICE_FS_H
  31 #define _UAPI_LINUX_USBDEVICE_FS_H
  32
  33 #include <linux/types.h>
  34 #include <linux/magic.h>
  35
  36 /* --------------------------------------------------------------------- */
  37
  38 /* usbdevfs ioctl codes */
  39
  40 struct usbdevfs_ctrltransfer {
  41         __u8 bRequestType;
  42         __u8 bRequest;
  43         __u16 wValue;
  44         __u16 wIndex;
  45         __u16 wLength;
  46         __u32 timeout;  /* in milliseconds */
  47         void __user *data;
  48 };
  49
  50 struct usbdevfs_bulktransfer {
  51         unsigned int ep;
  52         unsigned int len;
  53         unsigned int timeout; /* in milliseconds */
  54         void __user *data;
  55 };
  56
  57 struct usbdevfs_setinterface {
  58         unsigned int interface;
  59         unsigned int altsetting;
  60 };
  61
  62 struct usbdevfs_disconnectsignal {
  63         unsigned int signr;
  64         void __user *context;
  65 };
  66
  67 #define USBDEVFS_MAXDRIVERNAME 255
  68
  69 struct usbdevfs_getdriver {
  70         unsigned int interface;
  71         char driver[USBDEVFS_MAXDRIVERNAME + 1];
  72 };
  73
  74 struct usbdevfs_connectinfo {
  75         unsigned int devnum;
  76         unsigned char slow;
  77 };
  78
  79 #define USBDEVFS_URB_SHORT_NOT_OK       0x01
  80 #define USBDEVFS_URB_ISO_ASAP           0x02
  81 #define USBDEVFS_URB_BULK_CONTINUATION  0x04
  82 #define USBDEVFS_URB_NO_FSBR            0x20    /* Not used */
  83 #define USBDEVFS_URB_ZERO_PACKET        0x40
  84 #define USBDEVFS_URB_NO_INTERRUPT       0x80
  85
  86 #define USBDEVFS_URB_TYPE_ISO              0
  87 #define USBDEVFS_URB_TYPE_INTERRUPT        1
  88 #define USBDEVFS_URB_TYPE_CONTROL          2
  89 #define USBDEVFS_URB_TYPE_BULK             3
  90
  91 struct usbdevfs_iso_packet_desc {
  92         unsigned int length;
  93         unsigned int actual_length;
  94         unsigned int status;
  95 };
  96
  97 struct usbdevfs_urb {
  98         unsigned char type;
  99         unsigned char endpoint;
 100         int status;
 101         unsigned int flags;
 102         void __user *buffer;
 103         int buffer_length;
 104         int actual_length;
 105         int start_frame;
 106         union {
 107                 int number_of_packets;  /* Only used for isoc urbs */
 108                 unsigned int stream_id; /* Only used with bulk streams */
 109         };
 110         int error_count;
 111         unsigned int signr;     /* signal to be sent on completion,
 112                                   or 0 if none should be sent. */
 113         void __user *usercontext;
 114         struct usbdevfs_iso_packet_desc iso_frame_desc[0];
 115 };
 116
 117 /* ioctls for talking directly to drivers */
 118 struct usbdevfs_ioctl {
 119         int     ifno;           /* interface 0..N ; negative numbers reserved */
 120         int     ioctl_code;     /* MUST encode size + direction of data so the
 121                                  * macros in <asm/ioctl.h> give correct values */
 122         void __user *data;      /* param buffer (in, or out) */
 123 };
 124
 125 /* You can do most things with hubs just through control messages,
 126  * except find out what device connects to what port. */
 127 struct usbdevfs_hub_portinfo {
 128         char nports;            /* number of downstream ports in this hub */
 129         char port [127];        /* e.g. port 3 connects to device 27 */
 130 };
 131
 132 /* System and bus capability flags */
 133 #define USBDEVFS_CAP_ZERO_PACKET                0x01
 134 #define USBDEVFS_CAP_BULK_CONTINUATION          0x02
 135 #define USBDEVFS_CAP_NO_PACKET_SIZE_LIM         0x04
 136 #define USBDEVFS_CAP_BULK_SCATTER_GATHER        0x08
 137 #define USBDEVFS_CAP_REAP_AFTER_DISCONNECT      0x10
 138 #define USBDEVFS_CAP_MMAP                       0x20
 139 #define USBDEVFS_CAP_DROP_PRIVILEGES            0x40
 140
 141 /* USBDEVFS_DISCONNECT_CLAIM flags & struct */
 142
 143 /* disconnect-and-claim if the driver matches the driver field */
 144 #define USBDEVFS_DISCONNECT_CLAIM_IF_DRIVER     0x01
 145 /* disconnect-and-claim except when the driver matches the driver field */
 146 #define USBDEVFS_DISCONNECT_CLAIM_EXCEPT_DRIVER 0x02
 147
 148 struct usbdevfs_disconnect_claim {
 149         unsigned int interface;
 150         unsigned int flags;
 151         char driver[USBDEVFS_MAXDRIVERNAME + 1];
 152 };
 153
 154 struct usbdevfs_streams {
 155         unsigned int num_streams; /* Not used by USBDEVFS_FREE_STREAMS */
 156         unsigned int num_eps;
 157         unsigned char eps[0];
 158 };
 159
 160 /*
 161  * USB_SPEED_* values returned by USBDEVFS_GET_SPEED are defined in
 162  * linux/usb/ch9.h
 163  */
 164
 165 #define USBDEVFS_CONTROL           _IOWR('U', 0, struct usbdevfs_ctrltransfer)
 166 #define USBDEVFS_CONTROL32           _IOWR('U', 0, struct usbdevfs_ctrltransfer32)
 167 #define USBDEVFS_BULK              _IOWR('U', 2, struct usbdevfs_bulktransfer)
 168 #define USBDEVFS_BULK32              _IOWR('U', 2, struct usbdevfs_bulktransfer32)
 169 #define USBDEVFS_RESETEP           _IOR('U', 3, unsigned int)
 170 #define USBDEVFS_SETINTERFACE      _IOR('U', 4, struct usbdevfs_setinterface)
 171 #define USBDEVFS_SETCONFIGURATION  _IOR('U', 5, unsigned int)
 172 #define USBDEVFS_GETDRIVER         _IOW('U', 8, struct usbdevfs_getdriver)
 173 #define USBDEVFS_SUBMITURB         _IOR('U', 10, struct usbdevfs_urb)
 174 #define USBDEVFS_SUBMITURB32       _IOR('U', 10, struct usbdevfs_urb32)
 175 #define USBDEVFS_DISCARDURB        _IO('U', 11)
 176 #define USBDEVFS_REAPURB           _IOW('U', 12, void *)
 177 #define USBDEVFS_REAPURB32         _IOW('U', 12, __u32)
 178 #define USBDEVFS_REAPURBNDELAY     _IOW('U', 13, void *)
 179 #define USBDEVFS_REAPURBNDELAY32   _IOW('U', 13, __u32)
 180 #define USBDEVFS_DISCSIGNAL        _IOR('U', 14, struct usbdevfs_disconnectsignal)
 181 #define USBDEVFS_DISCSIGNAL32      _IOR('U', 14, struct usbdevfs_disconnectsignal32)
 182 #define USBDEVFS_CLAIMINTERFACE    _IOR('U', 15, unsigned int)
 183 #define USBDEVFS_RELEASEINTERFACE  _IOR('U', 16, unsigned int)
 184 #define USBDEVFS_CONNECTINFO       _IOW('U', 17, struct usbdevfs_connectinfo)
 185 #define USBDEVFS_IOCTL             _IOWR('U', 18, struct usbdevfs_ioctl)
 186 #define USBDEVFS_IOCTL32           _IOWR('U', 18, struct usbdevfs_ioctl32)
 187 #define USBDEVFS_HUB_PORTINFO      _IOR('U', 19, struct usbdevfs_hub_portinfo)
 188 #define USBDEVFS_RESET             _IO('U', 20)
 189 #define USBDEVFS_CLEAR_HALT        _IOR('U', 21, unsigned int)
 190 #define USBDEVFS_DISCONNECT        _IO('U', 22)
 191 #define USBDEVFS_CONNECT           _IO('U', 23)
 192 #define USBDEVFS_CLAIM_PORT        _IOR('U', 24, unsigned int)
 193 #define USBDEVFS_RELEASE_PORT      _IOR('U', 25, unsigned int)
 194 #define USBDEVFS_GET_CAPABILITIES  _IOR('U', 26, __u32)
 195 #define USBDEVFS_DISCONNECT_CLAIM  _IOR('U', 27, struct usbdevfs_disconnect_claim)
 196 #define USBDEVFS_ALLOC_STREAMS     _IOR('U', 28, struct usbdevfs_streams)
 197 #define USBDEVFS_FREE_STREAMS      _IOR('U', 29, struct usbdevfs_streams)
 198 #define USBDEVFS_DROP_PRIVILEGES   _IOW('U', 30, __u32)
 199 #define USBDEVFS_GET_SPEED         _IO('U', 31)
 200
 201 #endif /* _UAPI_LINUX_USBDEVICE_FS_H */