git: 21d85c41bbbb - stable/14 - LinuxKPI: Split linux/container_of.h off from linux/kernel.h
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Date: Sat, 17 Feb 2024 21:32:52 UTC
The branch stable/14 has been updated by wulf: URL: https://cgit.FreeBSD.org/src/commit/?id=21d85c41bbbb22cbb49b85fb759e2b3d5a9cadd4 commit 21d85c41bbbb22cbb49b85fb759e2b3d5a9cadd4 Author: Vladimir Kondratyev <wulf@FreeBSD.org> AuthorDate: 2023-12-24 08:19:58 +0000 Commit: Vladimir Kondratyev <wulf@FreeBSD.org> CommitDate: 2024-02-17 20:58:36 +0000 LinuxKPI: Split linux/container_of.h off from linux/kernel.h Sponsored by: Serenity Cyber Security, LLC Reviewed by: manu, bz MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D42796 (cherry picked from commit fa862482fb0a8759984437d71221b17377625491) --- .../linuxkpi/common/include/linux/container_of.h | 46 ++++++++++++++++++++++ sys/compat/linuxkpi/common/include/linux/kernel.h | 9 +---- 2 files changed, 47 insertions(+), 8 deletions(-) diff --git a/sys/compat/linuxkpi/common/include/linux/container_of.h b/sys/compat/linuxkpi/common/include/linux/container_of.h new file mode 100644 index 000000000000..449507fcf9c1 --- /dev/null +++ b/sys/compat/linuxkpi/common/include/linux/container_of.h @@ -0,0 +1,46 @@ +/*- + * Copyright (c) 2010 Isilon Systems, Inc. + * Copyright (c) 2010 iX Systems, Inc. + * Copyright (c) 2010 Panasas, Inc. + * Copyright (c) 2017 Matt Macy <mmacy@FreeBSD.org> + * All rights reserved. + * + * 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 unmodified, 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 ``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 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. + */ + +#ifndef _LINUXKPI_LINUX_CONTAINER_OF_H +#define _LINUXKPI_LINUX_CONTAINER_OF_H + +#include <sys/stdint.h> + +#include <linux/build_bug.h> +#include <linux/stddef.h> + +#define container_of(ptr, type, member) \ +({ \ + const __typeof(((type *)0)->member) *__p = (ptr); \ + (type *)((uintptr_t)__p - offsetof(type, member)); \ +}) + +#define typeof_member(type, member) __typeof(((type *)0)->member) + +#endif diff --git a/sys/compat/linuxkpi/common/include/linux/kernel.h b/sys/compat/linuxkpi/common/include/linux/kernel.h index fe844777e469..c8fbacedc561 100644 --- a/sys/compat/linuxkpi/common/include/linux/kernel.h +++ b/sys/compat/linuxkpi/common/include/linux/kernel.h @@ -44,6 +44,7 @@ #include <linux/bitops.h> #include <linux/build_bug.h> #include <linux/compiler.h> +#include <linux/container_of.h> #include <linux/stringify.h> #include <linux/errno.h> #include <linux/sched.h> @@ -274,12 +275,6 @@ extern int linuxkpi_debug; }) #endif -#define container_of(ptr, type, member) \ -({ \ - const __typeof(((type *)0)->member) *__p = (ptr); \ - (type *)((uintptr_t)__p - offsetof(type, member)); \ -}) - #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) #define u64_to_user_ptr(val) ((void *)(uintptr_t)(val)) @@ -552,8 +547,6 @@ kstrtou8_from_user(const char __user *s, size_t count, unsigned int base, #define offsetofend(t, m) \ (offsetof(t, m) + sizeof((((t *)0)->m))) -#define typeof_member(s, e) typeof(((s *)0)->e) - #define clamp_t(type, _x, min, max) min_t(type, max_t(type, _x, min), max) #define clamp(x, lo, hi) min( max(x,lo), hi) #define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi)