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e2be04c7f9
Many user space API headers have licensing information, which is either
incomplete, badly formatted or just a shorthand for referring to the
license under which the file is supposed to be. This makes it hard for
compliance tools to determine the correct license.
Update these files with an SPDX license identifier. The identifier was
chosen based on the license information in the file.
GPL/LGPL licensed headers get the matching GPL/LGPL SPDX license
identifier with the added 'WITH Linux-syscall-note' exception, which is
the officially assigned exception identifier for the kernel syscall
exception:
NOTE! This copyright does *not* cover user programs that use kernel
services by normal system calls - this is merely considered normal use
of the kernel, and does *not* fall under the heading of "derived work".
This exception makes it possible to include GPL headers into non GPL
code, without confusing license compliance tools.
Headers which have either explicit dual licensing or are just licensed
under a non GPL license are updated with the corresponding SPDX
identifier and the GPLv2 with syscall exception identifier. The format
is:
((GPL-2.0 WITH Linux-syscall-note) OR SPDX-ID-OF-OTHER-LICENSE)
SPDX license identifiers are a legally binding shorthand, which can be
used instead of the full boiler plate text. The update does not remove
existing license information as this has to be done on a case by case
basis and the copyright holders might have to be consulted. This will
happen in a separate step.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne. See the previous patch in this series for the
methodology of how this patch was researched.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
106 lines
4.0 KiB
C
106 lines
4.0 KiB
C
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
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/*
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* linux/can/bcm.h
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*
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* Definitions for CAN Broadcast Manager (BCM)
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*
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* Author: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
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* Copyright (c) 2002-2007 Volkswagen Group Electronic Research
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Volkswagen nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* Alternatively, provided that this notice is retained in full, this
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* software may be distributed under the terms of the GNU General
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* Public License ("GPL") version 2, in which case the provisions of the
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* GPL apply INSTEAD OF those given above.
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*
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* The provided data structures and external interfaces from this code
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* are not restricted to be used by modules with a GPL compatible license.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*/
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#ifndef _UAPI_CAN_BCM_H
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#define _UAPI_CAN_BCM_H
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#include <linux/types.h>
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#include <linux/can.h>
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struct bcm_timeval {
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long tv_sec;
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long tv_usec;
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};
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/**
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* struct bcm_msg_head - head of messages to/from the broadcast manager
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* @opcode: opcode, see enum below.
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* @flags: special flags, see below.
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* @count: number of frames to send before changing interval.
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* @ival1: interval for the first @count frames.
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* @ival2: interval for the following frames.
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* @can_id: CAN ID of frames to be sent or received.
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* @nframes: number of frames appended to the message head.
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* @frames: array of CAN frames.
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*/
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struct bcm_msg_head {
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__u32 opcode;
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__u32 flags;
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__u32 count;
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struct bcm_timeval ival1, ival2;
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canid_t can_id;
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__u32 nframes;
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struct can_frame frames[0];
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};
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enum {
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TX_SETUP = 1, /* create (cyclic) transmission task */
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TX_DELETE, /* remove (cyclic) transmission task */
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TX_READ, /* read properties of (cyclic) transmission task */
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TX_SEND, /* send one CAN frame */
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RX_SETUP, /* create RX content filter subscription */
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RX_DELETE, /* remove RX content filter subscription */
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RX_READ, /* read properties of RX content filter subscription */
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TX_STATUS, /* reply to TX_READ request */
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TX_EXPIRED, /* notification on performed transmissions (count=0) */
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RX_STATUS, /* reply to RX_READ request */
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RX_TIMEOUT, /* cyclic message is absent */
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RX_CHANGED /* updated CAN frame (detected content change) */
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};
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#define SETTIMER 0x0001
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#define STARTTIMER 0x0002
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#define TX_COUNTEVT 0x0004
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#define TX_ANNOUNCE 0x0008
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#define TX_CP_CAN_ID 0x0010
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#define RX_FILTER_ID 0x0020
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#define RX_CHECK_DLC 0x0040
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#define RX_NO_AUTOTIMER 0x0080
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#define RX_ANNOUNCE_RESUME 0x0100
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#define TX_RESET_MULTI_IDX 0x0200
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#define RX_RTR_FRAME 0x0400
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#define CAN_FD_FRAME 0x0800
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#endif /* !_UAPI_CAN_BCM_H */
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