cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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usbdevice_fs.h (8374B)


      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
     79struct usbdevfs_conninfo_ex {
     80	__u32 size;		/* Size of the structure from the kernel's */
     81				/* point of view. Can be used by userspace */
     82				/* to determine how much data can be       */
     83				/* used/trusted.                           */
     84	__u32 busnum;           /* USB bus number, as enumerated by the    */
     85				/* kernel, the device is connected to.     */
     86	__u32 devnum;           /* Device address on the bus.              */
     87	__u32 speed;		/* USB_SPEED_* constants from ch9.h        */
     88	__u8 num_ports;		/* Number of ports the device is connected */
     89				/* to on the way to the root hub. It may   */
     90				/* be bigger than size of 'ports' array so */
     91				/* userspace can detect overflows.         */
     92	__u8 ports[7];		/* List of ports on the way from the root  */
     93				/* hub to the device. Current limit in     */
     94				/* USB specification is 7 tiers (root hub, */
     95				/* 5 intermediate hubs, device), which     */
     96				/* gives at most 6 port entries.           */
     97};
     98
     99#define USBDEVFS_URB_SHORT_NOT_OK	0x01
    100#define USBDEVFS_URB_ISO_ASAP		0x02
    101#define USBDEVFS_URB_BULK_CONTINUATION	0x04
    102#define USBDEVFS_URB_NO_FSBR		0x20	/* Not used */
    103#define USBDEVFS_URB_ZERO_PACKET	0x40
    104#define USBDEVFS_URB_NO_INTERRUPT	0x80
    105
    106#define USBDEVFS_URB_TYPE_ISO		   0
    107#define USBDEVFS_URB_TYPE_INTERRUPT	   1
    108#define USBDEVFS_URB_TYPE_CONTROL	   2
    109#define USBDEVFS_URB_TYPE_BULK		   3
    110
    111struct usbdevfs_iso_packet_desc {
    112	unsigned int length;
    113	unsigned int actual_length;
    114	unsigned int status;
    115};
    116
    117struct usbdevfs_urb {
    118	unsigned char type;
    119	unsigned char endpoint;
    120	int status;
    121	unsigned int flags;
    122	void __user *buffer;
    123	int buffer_length;
    124	int actual_length;
    125	int start_frame;
    126	union {
    127		int number_of_packets;	/* Only used for isoc urbs */
    128		unsigned int stream_id;	/* Only used with bulk streams */
    129	};
    130	int error_count;
    131	unsigned int signr;	/* signal to be sent on completion,
    132				  or 0 if none should be sent. */
    133	void __user *usercontext;
    134	struct usbdevfs_iso_packet_desc iso_frame_desc[0];
    135};
    136
    137/* ioctls for talking directly to drivers */
    138struct usbdevfs_ioctl {
    139	int	ifno;		/* interface 0..N ; negative numbers reserved */
    140	int	ioctl_code;	/* MUST encode size + direction of data so the
    141				 * macros in <asm/ioctl.h> give correct values */
    142	void __user *data;	/* param buffer (in, or out) */
    143};
    144
    145/* You can do most things with hubs just through control messages,
    146 * except find out what device connects to what port. */
    147struct usbdevfs_hub_portinfo {
    148	char nports;		/* number of downstream ports in this hub */
    149	char port [127];	/* e.g. port 3 connects to device 27 */
    150};
    151
    152/* System and bus capability flags */
    153#define USBDEVFS_CAP_ZERO_PACKET		0x01
    154#define USBDEVFS_CAP_BULK_CONTINUATION		0x02
    155#define USBDEVFS_CAP_NO_PACKET_SIZE_LIM		0x04
    156#define USBDEVFS_CAP_BULK_SCATTER_GATHER	0x08
    157#define USBDEVFS_CAP_REAP_AFTER_DISCONNECT	0x10
    158#define USBDEVFS_CAP_MMAP			0x20
    159#define USBDEVFS_CAP_DROP_PRIVILEGES		0x40
    160#define USBDEVFS_CAP_CONNINFO_EX		0x80
    161#define USBDEVFS_CAP_SUSPEND			0x100
    162
    163/* USBDEVFS_DISCONNECT_CLAIM flags & struct */
    164
    165/* disconnect-and-claim if the driver matches the driver field */
    166#define USBDEVFS_DISCONNECT_CLAIM_IF_DRIVER	0x01
    167/* disconnect-and-claim except when the driver matches the driver field */
    168#define USBDEVFS_DISCONNECT_CLAIM_EXCEPT_DRIVER	0x02
    169
    170struct usbdevfs_disconnect_claim {
    171	unsigned int interface;
    172	unsigned int flags;
    173	char driver[USBDEVFS_MAXDRIVERNAME + 1];
    174};
    175
    176struct usbdevfs_streams {
    177	unsigned int num_streams; /* Not used by USBDEVFS_FREE_STREAMS */
    178	unsigned int num_eps;
    179	unsigned char eps[0];
    180};
    181
    182/*
    183 * USB_SPEED_* values returned by USBDEVFS_GET_SPEED are defined in
    184 * linux/usb/ch9.h
    185 */
    186
    187#define USBDEVFS_CONTROL           _IOWR('U', 0, struct usbdevfs_ctrltransfer)
    188#define USBDEVFS_CONTROL32           _IOWR('U', 0, struct usbdevfs_ctrltransfer32)
    189#define USBDEVFS_BULK              _IOWR('U', 2, struct usbdevfs_bulktransfer)
    190#define USBDEVFS_BULK32              _IOWR('U', 2, struct usbdevfs_bulktransfer32)
    191#define USBDEVFS_RESETEP           _IOR('U', 3, unsigned int)
    192#define USBDEVFS_SETINTERFACE      _IOR('U', 4, struct usbdevfs_setinterface)
    193#define USBDEVFS_SETCONFIGURATION  _IOR('U', 5, unsigned int)
    194#define USBDEVFS_GETDRIVER         _IOW('U', 8, struct usbdevfs_getdriver)
    195#define USBDEVFS_SUBMITURB         _IOR('U', 10, struct usbdevfs_urb)
    196#define USBDEVFS_SUBMITURB32       _IOR('U', 10, struct usbdevfs_urb32)
    197#define USBDEVFS_DISCARDURB        _IO('U', 11)
    198#define USBDEVFS_REAPURB           _IOW('U', 12, void *)
    199#define USBDEVFS_REAPURB32         _IOW('U', 12, __u32)
    200#define USBDEVFS_REAPURBNDELAY     _IOW('U', 13, void *)
    201#define USBDEVFS_REAPURBNDELAY32   _IOW('U', 13, __u32)
    202#define USBDEVFS_DISCSIGNAL        _IOR('U', 14, struct usbdevfs_disconnectsignal)
    203#define USBDEVFS_DISCSIGNAL32      _IOR('U', 14, struct usbdevfs_disconnectsignal32)
    204#define USBDEVFS_CLAIMINTERFACE    _IOR('U', 15, unsigned int)
    205#define USBDEVFS_RELEASEINTERFACE  _IOR('U', 16, unsigned int)
    206#define USBDEVFS_CONNECTINFO       _IOW('U', 17, struct usbdevfs_connectinfo)
    207#define USBDEVFS_IOCTL             _IOWR('U', 18, struct usbdevfs_ioctl)
    208#define USBDEVFS_IOCTL32           _IOWR('U', 18, struct usbdevfs_ioctl32)
    209#define USBDEVFS_HUB_PORTINFO      _IOR('U', 19, struct usbdevfs_hub_portinfo)
    210#define USBDEVFS_RESET             _IO('U', 20)
    211#define USBDEVFS_CLEAR_HALT        _IOR('U', 21, unsigned int)
    212#define USBDEVFS_DISCONNECT        _IO('U', 22)
    213#define USBDEVFS_CONNECT           _IO('U', 23)
    214#define USBDEVFS_CLAIM_PORT        _IOR('U', 24, unsigned int)
    215#define USBDEVFS_RELEASE_PORT      _IOR('U', 25, unsigned int)
    216#define USBDEVFS_GET_CAPABILITIES  _IOR('U', 26, __u32)
    217#define USBDEVFS_DISCONNECT_CLAIM  _IOR('U', 27, struct usbdevfs_disconnect_claim)
    218#define USBDEVFS_ALLOC_STREAMS     _IOR('U', 28, struct usbdevfs_streams)
    219#define USBDEVFS_FREE_STREAMS      _IOR('U', 29, struct usbdevfs_streams)
    220#define USBDEVFS_DROP_PRIVILEGES   _IOW('U', 30, __u32)
    221#define USBDEVFS_GET_SPEED         _IO('U', 31)
    222/*
    223 * Returns struct usbdevfs_conninfo_ex; length is variable to allow
    224 * extending size of the data returned.
    225 */
    226#define USBDEVFS_CONNINFO_EX(len)  _IOC(_IOC_READ, 'U', 32, len)
    227#define USBDEVFS_FORBID_SUSPEND    _IO('U', 33)
    228#define USBDEVFS_ALLOW_SUSPEND     _IO('U', 34)
    229#define USBDEVFS_WAIT_FOR_RESUME   _IO('U', 35)
    230
    231#endif /* _UAPI_LINUX_USBDEVICE_FS_H */