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 */ 202