From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 055AAC27C76 for ; Fri, 20 Jan 2023 23:05:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230131AbjATXF1 (ORCPT ); Fri, 20 Jan 2023 18:05:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44738 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230122AbjATXF0 (ORCPT ); Fri, 20 Jan 2023 18:05:26 -0500 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id BD2885B465; Fri, 20 Jan 2023 15:05:24 -0800 (PST) Received: from W11-BEAU-MD.localdomain (unknown [76.135.27.212]) by linux.microsoft.com (Postfix) with ESMTPSA id 5143720E0A35; Fri, 20 Jan 2023 15:05:24 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 5143720E0A35 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1674255924; bh=OSmDP26J8YzoMhJc3UKK7slznwSGVE3KNwggNF1IdJc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Gtfm7eRKoyuBuVh5Yrt6qox2WJCGlYWQndXP15XPg2r88vqmlJJrgLc7D5tNjQHP7 K5Hy4EDNppjBq5wuYEc/DfcFeRf8mbGwXX3y4XIT6RkaiezEAA/Q2HBUXhezYjjz9F +vO5a82MXojkgXFipTYaTx2b3r+fwafQwTDssq5o= From: Beau Belgrave To: rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, dcook@linux.microsoft.com, alanau@linux.microsoft.com, brauner@kernel.org, akpm@linux-foundation.org Cc: linux-trace-devel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v7 01/11] tracing/user_events: Split header into uapi and kernel Date: Fri, 20 Jan 2023 15:05:08 -0800 Message-Id: <20230120230518.17697-2-beaub@linux.microsoft.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230120230518.17697-1-beaub@linux.microsoft.com> References: <20230120230518.17697-1-beaub@linux.microsoft.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org The UAPI parts need to be split out from the kernel parts of user_events now that other parts of the kernel will reference it. Do so by moving the existing include/linux/user_events.h into include/uapi/linux/user_events.h. Signed-off-by: Beau Belgrave --- include/linux/user_events.h | 52 ++++---------------------------- include/uapi/linux/user_events.h | 48 +++++++++++++++++++++++++++++ kernel/trace/trace_events_user.c | 5 --- 3 files changed, 54 insertions(+), 51 deletions(-) create mode 100644 include/uapi/linux/user_events.h diff --git a/include/linux/user_events.h b/include/linux/user_events.h index 592a3fbed98e..13689589d36e 100644 --- a/include/linux/user_events.h +++ b/include/linux/user_events.h @@ -1,54 +1,14 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* SPDX-License-Identifier: GPL-2.0-only */ /* - * Copyright (c) 2021, Microsoft Corporation. + * Copyright (c) 2022, Microsoft Corporation. * * Authors: * Beau Belgrave */ -#ifndef _UAPI_LINUX_USER_EVENTS_H -#define _UAPI_LINUX_USER_EVENTS_H -#include -#include +#ifndef _LINUX_USER_EVENTS_H +#define _LINUX_USER_EVENTS_H -#ifdef __KERNEL__ -#include -#else -#include -#endif +#include -#define USER_EVENTS_SYSTEM "user_events" -#define USER_EVENTS_PREFIX "u:" - -/* Create dynamic location entry within a 32-bit value */ -#define DYN_LOC(offset, size) ((size) << 16 | (offset)) - -/* - * Describes an event registration and stores the results of the registration. - * This structure is passed to the DIAG_IOCSREG ioctl, callers at a minimum - * must set the size and name_args before invocation. - */ -struct user_reg { - - /* Input: Size of the user_reg structure being used */ - __u32 size; - - /* Input: Pointer to string with event name, description and flags */ - __u64 name_args; - - /* Output: Bitwise index of the event within the status page */ - __u32 status_bit; - - /* Output: Index of the event to use when writing data */ - __u32 write_index; -} __attribute__((__packed__)); - -#define DIAG_IOC_MAGIC '*' - -/* Requests to register a user_event */ -#define DIAG_IOCSREG _IOWR(DIAG_IOC_MAGIC, 0, struct user_reg*) - -/* Requests to delete a user_event */ -#define DIAG_IOCSDEL _IOW(DIAG_IOC_MAGIC, 1, char*) - -#endif /* _UAPI_LINUX_USER_EVENTS_H */ +#endif /* _LINUX_USER_EVENTS_H */ diff --git a/include/uapi/linux/user_events.h b/include/uapi/linux/user_events.h new file mode 100644 index 000000000000..03f92366068d --- /dev/null +++ b/include/uapi/linux/user_events.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Copyright (c) 2021-2022, Microsoft Corporation. + * + * Authors: + * Beau Belgrave + */ +#ifndef _UAPI_LINUX_USER_EVENTS_H +#define _UAPI_LINUX_USER_EVENTS_H + +#include +#include + +#define USER_EVENTS_SYSTEM "user_events" +#define USER_EVENTS_PREFIX "u:" + +/* Create dynamic location entry within a 32-bit value */ +#define DYN_LOC(offset, size) ((size) << 16 | (offset)) + +/* + * Describes an event registration and stores the results of the registration. + * This structure is passed to the DIAG_IOCSREG ioctl, callers at a minimum + * must set the size and name_args before invocation. + */ +struct user_reg { + + /* Input: Size of the user_reg structure being used */ + __u32 size; + + /* Input: Pointer to string with event name, description and flags */ + __u64 name_args; + + /* Output: Bitwise index of the event within the status page */ + __u32 status_bit; + + /* Output: Index of the event to use when writing data */ + __u32 write_index; +} __attribute__((__packed__)); + +#define DIAG_IOC_MAGIC '*' + +/* Request to register a user_event */ +#define DIAG_IOCSREG _IOWR(DIAG_IOC_MAGIC, 0, struct user_reg *) + +/* Request to delete a user_event */ +#define DIAG_IOCSDEL _IOW(DIAG_IOC_MAGIC, 1, char *) + +#endif /* _UAPI_LINUX_USER_EVENTS_H */ diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c index 908e8a13c675..070551480747 100644 --- a/kernel/trace/trace_events_user.c +++ b/kernel/trace/trace_events_user.c @@ -19,12 +19,7 @@ #include #include #include -/* Reminder to move to uapi when everything works */ -#ifdef CONFIG_COMPILE_TEST #include -#else -#include -#endif #include "trace.h" #include "trace_dynevent.h" -- 2.25.1