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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*****************************************************************************/
/*
* usbdevice_fs.h -- USB device file system.
*
* Copyright (C) 2000
* Thomas Sailer (sailer@ife.ee.ethz.ch)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* History:
* 0.1 04.01.2000 Created
*/
/*****************************************************************************/
#ifndef _LINUX_USBDEVICE_FS_H
#define _LINUX_USBDEVICE_FS_H
#include <linux/types.h>
#include <linux/magic.h>
/* --------------------------------------------------------------------- */
/* usbdevfs ioctl codes */
struct usbdevfs_ctrltransfer {
__u8 bRequestType;
__u8 bRequest;
__u16 wValue;
__u16 wIndex;
__u16 wLength;
__u32 timeout; /* in milliseconds */
void *data;
};
struct usbdevfs_bulktransfer {
unsigned int ep;
unsigned int len;
unsigned int timeout; /* in milliseconds */
void *data;
};
struct usbdevfs_setinterface {
unsigned int interface;
unsigned int altsetting;
};
struct usbdevfs_disconnectsignal {
unsigned int signr;
void *context;
};
#define USBDEVFS_MAXDRIVERNAME 255
struct usbdevfs_getdriver {
unsigned int interface;
char driver[USBDEVFS_MAXDRIVERNAME + 1];
};
struct usbdevfs_connectinfo {
unsigned int devnum;
unsigned char slow;
};
struct usbdevfs_conninfo_ex {
__u32 size; /* Size of the structure from the kernel's */
/* point of view. Can be used by userspace */
/* to determine how much data can be */
/* used/trusted. */
__u32 busnum; /* USB bus number, as enumerated by the */
/* kernel, the device is connected to. */
__u32 devnum; /* Device address on the bus. */
__u32 speed; /* USB_SPEED_* constants from ch9.h */
__u8 num_ports; /* Number of ports the device is connected */
/* to on the way to the root hub. It may */
/* be bigger than size of 'ports' array so */
/* userspace can detect overflows. */
__u8 ports[7]; /* List of ports on the way from the root */
/* hub to the device. Current limit in */
/* USB specification is 7 tiers (root hub, */
/* 5 intermediate hubs, device), which */
/* gives at most 6 port entries. */
};
#define USBDEVFS_URB_SHORT_NOT_OK 0x01
#define USBDEVFS_URB_ISO_ASAP 0x02
#define USBDEVFS_URB_BULK_CONTINUATION 0x04
#define USBDEVFS_URB_NO_FSBR 0x20 /* Not used */
#define USBDEVFS_URB_ZERO_PACKET 0x40
#define USBDEVFS_URB_NO_INTERRUPT 0x80
#define USBDEVFS_URB_TYPE_ISO 0
#define USBDEVFS_URB_TYPE_INTERRUPT 1
#define USBDEVFS_URB_TYPE_CONTROL 2
#define USBDEVFS_URB_TYPE_BULK 3
struct usbdevfs_iso_packet_desc {
unsigned int length;
unsigned int actual_length;
unsigned int status;
};
struct usbdevfs_urb {
unsigned char type;
unsigned char endpoint;
int status;
unsigned int flags;
void *buffer;
int buffer_length;
int actual_length;
int start_frame;
union {
int number_of_packets; /* Only used for isoc urbs */
unsigned int stream_id; /* Only used with bulk streams */
};
int error_count;
unsigned int signr; /* signal to be sent on completion,
or 0 if none should be sent. */
void *usercontext;
struct usbdevfs_iso_packet_desc iso_frame_desc[0];
};
/* ioctls for talking directly to drivers */
struct usbdevfs_ioctl {
int ifno; /* interface 0..N ; negative numbers reserved */
int ioctl_code; /* MUST encode size + direction of data so the
* macros in <asm/ioctl.h> give correct values */
void *data; /* param buffer (in, or out) */
};
/* You can do most things with hubs just through control messages,
* except find out what device connects to what port. */
struct usbdevfs_hub_portinfo {
char nports; /* number of downstream ports in this hub */
char port [127]; /* e.g. port 3 connects to device 27 */
};
/* System and bus capability flags */
#define USBDEVFS_CAP_ZERO_PACKET 0x01
#define USBDEVFS_CAP_BULK_CONTINUATION 0x02
#define USBDEVFS_CAP_NO_PACKET_SIZE_LIM 0x04
#define USBDEVFS_CAP_BULK_SCATTER_GATHER 0x08
#define USBDEVFS_CAP_REAP_AFTER_DISCONNECT 0x10
#define USBDEVFS_CAP_MMAP 0x20
#define USBDEVFS_CAP_DROP_PRIVILEGES 0x40
#define USBDEVFS_CAP_CONNINFO_EX 0x80
#define USBDEVFS_CAP_SUSPEND 0x100
/* USBDEVFS_DISCONNECT_CLAIM flags & struct */
/* disconnect-and-claim if the driver matches the driver field */
#define USBDEVFS_DISCONNECT_CLAIM_IF_DRIVER 0x01
/* disconnect-and-claim except when the driver matches the driver field */
#define USBDEVFS_DISCONNECT_CLAIM_EXCEPT_DRIVER 0x02
struct usbdevfs_disconnect_claim {
unsigned int interface;
unsigned int flags;
char driver[USBDEVFS_MAXDRIVERNAME + 1];
};
struct usbdevfs_streams {
unsigned int num_streams; /* Not used by USBDEVFS_FREE_STREAMS */
unsigned int num_eps;
unsigned char eps[0];
};
/*
* USB_SPEED_* values returned by USBDEVFS_GET_SPEED are defined in
* linux/usb/ch9.h
*/
#define USBDEVFS_CONTROL _IOWR('U', 0, struct usbdevfs_ctrltransfer)
#define USBDEVFS_CONTROL32 _IOWR('U', 0, struct usbdevfs_ctrltransfer32)
#define USBDEVFS_BULK _IOWR('U', 2, struct usbdevfs_bulktransfer)
#define USBDEVFS_BULK32 _IOWR('U', 2, struct usbdevfs_bulktransfer32)
#define USBDEVFS_RESETEP _IOR('U', 3, unsigned int)
#define USBDEVFS_SETINTERFACE _IOR('U', 4, struct usbdevfs_setinterface)
#define USBDEVFS_SETCONFIGURATION _IOR('U', 5, unsigned int)
#define USBDEVFS_GETDRIVER _IOW('U', 8, struct usbdevfs_getdriver)
#define USBDEVFS_SUBMITURB _IOR('U', 10, struct usbdevfs_urb)
#define USBDEVFS_SUBMITURB32 _IOR('U', 10, struct usbdevfs_urb32)
#define USBDEVFS_DISCARDURB _IO('U', 11)
#define USBDEVFS_REAPURB _IOW('U', 12, void *)
#define USBDEVFS_REAPURB32 _IOW('U', 12, __u32)
#define USBDEVFS_REAPURBNDELAY _IOW('U', 13, void *)
#define USBDEVFS_REAPURBNDELAY32 _IOW('U', 13, __u32)
#define USBDEVFS_DISCSIGNAL _IOR('U', 14, struct usbdevfs_disconnectsignal)
#define USBDEVFS_DISCSIGNAL32 _IOR('U', 14, struct usbdevfs_disconnectsignal32)
#define USBDEVFS_CLAIMINTERFACE _IOR('U', 15, unsigned int)
#define USBDEVFS_RELEASEINTERFACE _IOR('U', 16, unsigned int)
#define USBDEVFS_CONNECTINFO _IOW('U', 17, struct usbdevfs_connectinfo)
#define USBDEVFS_IOCTL _IOWR('U', 18, struct usbdevfs_ioctl)
#define USBDEVFS_IOCTL32 _IOWR('U', 18, struct usbdevfs_ioctl32)
#define USBDEVFS_HUB_PORTINFO _IOR('U', 19, struct usbdevfs_hub_portinfo)
#define USBDEVFS_RESET _IO('U', 20)
#define USBDEVFS_CLEAR_HALT _IOR('U', 21, unsigned int)
#define USBDEVFS_DISCONNECT _IO('U', 22)
#define USBDEVFS_CONNECT _IO('U', 23)
#define USBDEVFS_CLAIM_PORT _IOR('U', 24, unsigned int)
#define USBDEVFS_RELEASE_PORT _IOR('U', 25, unsigned int)
#define USBDEVFS_GET_CAPABILITIES _IOR('U', 26, __u32)
#define USBDEVFS_DISCONNECT_CLAIM _IOR('U', 27, struct usbdevfs_disconnect_claim)
#define USBDEVFS_ALLOC_STREAMS _IOR('U', 28, struct usbdevfs_streams)
#define USBDEVFS_FREE_STREAMS _IOR('U', 29, struct usbdevfs_streams)
#define USBDEVFS_DROP_PRIVILEGES _IOW('U', 30, __u32)
#define USBDEVFS_GET_SPEED _IO('U', 31)
/*
* Returns struct usbdevfs_conninfo_ex; length is variable to allow
* extending size of the data returned.
*/
#define USBDEVFS_CONNINFO_EX(len) _IOC(_IOC_READ, 'U', 32, len)
#define USBDEVFS_FORBID_SUSPEND _IO('U', 33)
#define USBDEVFS_ALLOW_SUSPEND _IO('U', 34)
#define USBDEVFS_WAIT_FOR_RESUME _IO('U', 35)
#endif /* _LINUX_USBDEVICE_FS_H */