| /* 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 _UAPI_LINUX_USBDEVICE_FS_H |
| #define _UAPI_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 __user *data; |
| }; |
| |
| struct usbdevfs_bulktransfer { |
| unsigned int ep; |
| unsigned int len; |
| unsigned int timeout; /* in milliseconds */ |
| void __user *data; |
| }; |
| |
| struct usbdevfs_setinterface { |
| unsigned int interface; |
| unsigned int altsetting; |
| }; |
| |
| struct usbdevfs_disconnectsignal { |
| unsigned int signr; |
| void __user *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 __user *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 __user *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 __user *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 /* _UAPI_LINUX_USBDEVICE_FS_H */ |