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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
40struct 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
50struct usbdevfs_bulktransfer {
51 unsigned int ep;
52 unsigned int len;
53 unsigned int timeout; /* in milliseconds */
54 void __user *data;
55};
56
57struct usbdevfs_setinterface {
58 unsigned int interface;
59 unsigned int altsetting;
60};
61
62struct usbdevfs_disconnectsignal {
63 unsigned int signr;
64 void __user *context;
65};
66
67#define USBDEVFS_MAXDRIVERNAME 255
68
69struct usbdevfs_getdriver {
70 unsigned int interface;
71 char driver[USBDEVFS_MAXDRIVERNAME + 1];
72};
73
74struct 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
91struct usbdevfs_iso_packet_desc {
92 unsigned int length;
93 unsigned int actual_length;
94 unsigned int status;
95};
96
97struct 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 */
118struct 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. */
127struct 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
148struct usbdevfs_disconnect_claim {
149 unsigned int interface;
150 unsigned int flags;
151 char driver[USBDEVFS_MAXDRIVERNAME + 1];
152};
153
154struct 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 */