xref: /linux-6.15/include/linux/usbdevice_fs.h (revision ba6e8564)
1 /*****************************************************************************/
2 
3 /*
4  *	usbdevice_fs.h  --  USB device file system.
5  *
6  *	Copyright (C) 2000
7  *          Thomas Sailer ([email protected])
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  *  $Id: usbdevice_fs.h,v 1.1 2000/01/06 18:40:41 tom Exp $
27  */
28 
29 /*****************************************************************************/
30 
31 #ifndef _LINUX_USBDEVICE_FS_H
32 #define _LINUX_USBDEVICE_FS_H
33 
34 #include <linux/types.h>
35 #include <linux/magic.h>
36 
37 /* --------------------------------------------------------------------- */
38 
39 /* usbdevfs ioctl codes */
40 
41 struct usbdevfs_ctrltransfer {
42 	__u8 bRequestType;
43 	__u8 bRequest;
44 	__u16 wValue;
45 	__u16 wIndex;
46 	__u16 wLength;
47 	__u32 timeout;  /* in milliseconds */
48  	void __user *data;
49 };
50 
51 struct usbdevfs_bulktransfer {
52 	unsigned int ep;
53 	unsigned int len;
54 	unsigned int timeout; /* in milliseconds */
55 	void __user *data;
56 };
57 
58 struct usbdevfs_setinterface {
59 	unsigned int interface;
60 	unsigned int altsetting;
61 };
62 
63 struct usbdevfs_disconnectsignal {
64 	unsigned int signr;
65 	void __user *context;
66 };
67 
68 #define USBDEVFS_MAXDRIVERNAME 255
69 
70 struct usbdevfs_getdriver {
71 	unsigned int interface;
72 	char driver[USBDEVFS_MAXDRIVERNAME + 1];
73 };
74 
75 struct usbdevfs_connectinfo {
76 	unsigned int devnum;
77 	unsigned char slow;
78 };
79 
80 #define USBDEVFS_URB_SHORT_NOT_OK          1
81 #define USBDEVFS_URB_ISO_ASAP              2
82 
83 #define USBDEVFS_URB_TYPE_ISO		   0
84 #define USBDEVFS_URB_TYPE_INTERRUPT	   1
85 #define USBDEVFS_URB_TYPE_CONTROL	   2
86 #define USBDEVFS_URB_TYPE_BULK		   3
87 
88 struct usbdevfs_iso_packet_desc {
89 	unsigned int length;
90 	unsigned int actual_length;
91 	unsigned int status;
92 };
93 
94 struct usbdevfs_urb {
95 	unsigned char type;
96 	unsigned char endpoint;
97 	int status;
98 	unsigned int flags;
99 	void __user *buffer;
100 	int buffer_length;
101 	int actual_length;
102 	int start_frame;
103 	int number_of_packets;
104 	int error_count;
105 	unsigned int signr;  /* signal to be sent on error, -1 if none should be sent */
106 	void *usercontext;
107 	struct usbdevfs_iso_packet_desc iso_frame_desc[0];
108 };
109 
110 /* ioctls for talking directly to drivers */
111 struct usbdevfs_ioctl {
112 	int	ifno;		/* interface 0..N ; negative numbers reserved */
113 	int	ioctl_code;	/* MUST encode size + direction of data so the
114 				 * macros in <asm/ioctl.h> give correct values */
115 	void __user *data;	/* param buffer (in, or out) */
116 };
117 
118 /* You can do most things with hubs just through control messages,
119  * except find out what device connects to what port. */
120 struct usbdevfs_hub_portinfo {
121 	char nports;		/* number of downstream ports in this hub */
122 	char port [127];	/* e.g. port 3 connects to device 27 */
123 };
124 
125 #ifdef __KERNEL__
126 #ifdef CONFIG_COMPAT
127 #include <linux/compat.h>
128 struct usbdevfs_urb32 {
129 	unsigned char type;
130 	unsigned char endpoint;
131 	compat_int_t status;
132 	compat_uint_t flags;
133 	compat_caddr_t buffer;
134 	compat_int_t buffer_length;
135 	compat_int_t actual_length;
136 	compat_int_t start_frame;
137 	compat_int_t number_of_packets;
138 	compat_int_t error_count;
139 	compat_uint_t signr;
140 	compat_caddr_t usercontext; /* unused */
141 	struct usbdevfs_iso_packet_desc iso_frame_desc[0];
142 };
143 
144 struct usbdevfs_ioctl32 {
145 	s32 ifno;
146 	s32 ioctl_code;
147 	compat_caddr_t data;
148 };
149 #endif
150 #endif /* __KERNEL__ */
151 
152 #define USBDEVFS_CONTROL           _IOWR('U', 0, struct usbdevfs_ctrltransfer)
153 #define USBDEVFS_BULK              _IOWR('U', 2, struct usbdevfs_bulktransfer)
154 #define USBDEVFS_RESETEP           _IOR('U', 3, unsigned int)
155 #define USBDEVFS_SETINTERFACE      _IOR('U', 4, struct usbdevfs_setinterface)
156 #define USBDEVFS_SETCONFIGURATION  _IOR('U', 5, unsigned int)
157 #define USBDEVFS_GETDRIVER         _IOW('U', 8, struct usbdevfs_getdriver)
158 #define USBDEVFS_SUBMITURB         _IOR('U', 10, struct usbdevfs_urb)
159 #define USBDEVFS_SUBMITURB32       _IOR('U', 10, struct usbdevfs_urb32)
160 #define USBDEVFS_DISCARDURB        _IO('U', 11)
161 #define USBDEVFS_REAPURB           _IOW('U', 12, void *)
162 #define USBDEVFS_REAPURB32         _IOW('U', 12, __u32)
163 #define USBDEVFS_REAPURBNDELAY     _IOW('U', 13, void *)
164 #define USBDEVFS_REAPURBNDELAY32   _IOW('U', 13, __u32)
165 #define USBDEVFS_DISCSIGNAL        _IOR('U', 14, struct usbdevfs_disconnectsignal)
166 #define USBDEVFS_CLAIMINTERFACE    _IOR('U', 15, unsigned int)
167 #define USBDEVFS_RELEASEINTERFACE  _IOR('U', 16, unsigned int)
168 #define USBDEVFS_CONNECTINFO       _IOW('U', 17, struct usbdevfs_connectinfo)
169 #define USBDEVFS_IOCTL             _IOWR('U', 18, struct usbdevfs_ioctl)
170 #define USBDEVFS_IOCTL32           _IOWR('U', 18, struct usbdevfs_ioctl32)
171 #define USBDEVFS_HUB_PORTINFO      _IOR('U', 19, struct usbdevfs_hub_portinfo)
172 #define USBDEVFS_RESET             _IO('U', 20)
173 #define USBDEVFS_CLEAR_HALT        _IOR('U', 21, unsigned int)
174 #define USBDEVFS_DISCONNECT        _IO('U', 22)
175 #define USBDEVFS_CONNECT           _IO('U', 23)
176 #endif /* _LINUX_USBDEVICE_FS_H */
177