git: a4529c46d4ee - main - LinuxKPI; add the beginning of a tracepoint.h implementation
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Date: Mon, 14 Feb 2022 00:25:37 UTC
The branch main has been updated by bz: URL: https://cgit.FreeBSD.org/src/commit/?id=a4529c46d4ee330ff6d347a611d62f4792e94392 commit a4529c46d4ee330ff6d347a611d62f4792e94392 Author: Bjoern A. Zeeb <bz@FreeBSD.org> AuthorDate: 2022-02-09 12:13:19 +0000 Commit: Bjoern A. Zeeb <bz@FreeBSD.org> CommitDate: 2022-02-14 00:24:43 +0000 LinuxKPI; add the beginning of a tracepoint.h implementation Add a beginning of a tracepoint.h implementation to ease porting drivers making use of this Linux facility. MFC after: 3 days Reviewed by: hselasky Differential Revision: https://reviews.freebsd.org/D34236 --- .../linuxkpi/common/include/linux/tracepoint.h | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/tracepoint.h b/sys/compat/linuxkpi/common/include/linux/tracepoint.h new file mode 100644 index 000000000000..0171427439f9 --- /dev/null +++ b/sys/compat/linuxkpi/common/include/linux/tracepoint.h @@ -0,0 +1,44 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2022 Bjoern A. Zeeb + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _LINUXKPI_LINUX_TRACEPOINT_H +#define _LINUXKPI_LINUX_TRACEPOINT_H + +#define TP_PROTO(...) __VA_ARGS__ +#define TP_ARGS(...) +#define TP_STRUCT__entry(...) +#define TP_fast_assign(...) +#define TP_printk(...) + +#define TRACE_EVENT(_name, _proto, _args, _struct, _assign, _printk) \ +static void trace_ ## _name(_proto) \ +{ \ +} + +#endif /* _LINUXKPI_LINUX_TRACEPOINT_H */