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c0b32a4ea4
This include prevents usage of any kernel.h helpers in sched.h and all of dependencies. Linux does not have it too. Fix building of kernel and drm-kmod after than. Sponsored by: Serenity CyberSecurity, LLC MFC after: 1 week Reviewed by: manu, bz Differential Revision: https://reviews.freebsd.org/D45692 (cherry picked from commit 256eb8d5361143b7d436a195530e0eefe1450e6d)
386 lines
9.4 KiB
C
386 lines
9.4 KiB
C
/*-
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* Copyright (c) 2010 Isilon Systems, Inc.
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* Copyright (c) 2010 iX Systems, Inc.
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* Copyright (c) 2010 Panasas, Inc.
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* Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
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* Copyright (c) 2014-2015 François Tigeot
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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 unmodified, this list of conditions, and the following
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* 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT 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 OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LINUXKPI_LINUX_KERNEL_H_
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#define _LINUXKPI_LINUX_KERNEL_H_
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/param.h>
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#include <sys/libkern.h>
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#include <sys/stat.h>
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#include <sys/smp.h>
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#include <sys/stddef.h>
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#include <sys/syslog.h>
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#include <sys/time.h>
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#include <linux/bitops.h>
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#include <linux/build_bug.h>
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#include <linux/compiler.h>
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#include <linux/container_of.h>
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#include <linux/kstrtox.h>
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#include <linux/limits.h>
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#include <linux/math.h>
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#include <linux/minmax.h>
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#include <linux/stringify.h>
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#include <linux/errno.h>
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#include <linux/types.h>
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#include <linux/typecheck.h>
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#include <linux/jiffies.h>
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#include <linux/log2.h>
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#include <linux/kconfig.h>
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#include <asm/byteorder.h>
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#include <asm/cpufeature.h>
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#include <asm/processor.h>
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#include <asm/uaccess.h>
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#include <linux/stdarg.h>
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#define KERN_CONT ""
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#define KERN_EMERG "<0>"
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#define KERN_ALERT "<1>"
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#define KERN_CRIT "<2>"
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#define KERN_ERR "<3>"
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#define KERN_WARNING "<4>"
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#define KERN_NOTICE "<5>"
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#define KERN_INFO "<6>"
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#define KERN_DEBUG "<7>"
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#define S8_C(x) x
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#define U8_C(x) x ## U
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#define S16_C(x) x
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#define U16_C(x) x ## U
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#define S32_C(x) x
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#define U32_C(x) x ## U
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#define S64_C(x) x ## LL
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#define U64_C(x) x ## ULL
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#define BUG() panic("BUG at %s:%d", __FILE__, __LINE__)
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#define BUG_ON(cond) do { \
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if (cond) { \
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panic("BUG ON %s failed at %s:%d", \
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__stringify(cond), __FILE__, __LINE__); \
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} \
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} while (0)
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extern int linuxkpi_warn_dump_stack;
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#define WARN_ON(cond) ({ \
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bool __ret = (cond); \
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if (__ret) { \
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printf("WARNING %s failed at %s:%d\n", \
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__stringify(cond), __FILE__, __LINE__); \
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if (linuxkpi_warn_dump_stack) \
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linux_dump_stack(); \
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} \
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unlikely(__ret); \
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})
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#define WARN_ON_SMP(cond) WARN_ON(cond)
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#define WARN_ON_ONCE(cond) ({ \
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static bool __warn_on_once; \
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bool __ret = (cond); \
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if (__ret && !__warn_on_once) { \
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__warn_on_once = 1; \
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printf("WARNING %s failed at %s:%d\n", \
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__stringify(cond), __FILE__, __LINE__); \
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if (linuxkpi_warn_dump_stack) \
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linux_dump_stack(); \
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} \
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unlikely(__ret); \
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})
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#define oops_in_progress SCHEDULER_STOPPED()
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#undef ALIGN
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#define ALIGN(x, y) roundup2((x), (y))
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#define ALIGN_DOWN(x, y) rounddown2(x, y)
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#undef PTR_ALIGN
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#define PTR_ALIGN(p, a) ((__typeof(p))ALIGN((uintptr_t)(p), (a)))
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#define IS_ALIGNED(x, a) (((x) & ((__typeof(x))(a) - 1)) == 0)
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#define __KERNEL_DIV_ROUND_UP(x, n) howmany(x, n)
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#define FIELD_SIZEOF(t, f) sizeof(((t *)0)->f)
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#define printk(...) printf(__VA_ARGS__)
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#define vprintk(f, a) vprintf(f, a)
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#define PTR_IF(x, p) ((x) ? (p) : NULL)
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#define asm __asm
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extern void linux_dump_stack(void);
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#define dump_stack() linux_dump_stack()
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struct va_format {
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const char *fmt;
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va_list *va;
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};
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static inline int
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vscnprintf(char *buf, size_t size, const char *fmt, va_list args)
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{
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ssize_t ssize = size;
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int i;
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i = vsnprintf(buf, size, fmt, args);
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return ((i >= ssize) ? (ssize - 1) : i);
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}
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static inline int
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scnprintf(char *buf, size_t size, const char *fmt, ...)
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{
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va_list args;
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int i;
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va_start(args, fmt);
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i = vscnprintf(buf, size, fmt, args);
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va_end(args);
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return (i);
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}
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/*
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* The "pr_debug()" and "pr_devel()" macros should produce zero code
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* unless DEBUG is defined:
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*/
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#ifdef DEBUG
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extern int linuxkpi_debug;
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#define pr_debug(fmt, ...) \
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do { \
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if (linuxkpi_debug) \
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log(LOG_DEBUG, fmt, ##__VA_ARGS__); \
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} while (0)
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#define pr_devel(fmt, ...) \
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log(LOG_DEBUG, pr_fmt(fmt), ##__VA_ARGS__)
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#else
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#define pr_debug(fmt, ...) \
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({ if (0) log(LOG_DEBUG, fmt, ##__VA_ARGS__); 0; })
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#define pr_devel(fmt, ...) \
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({ if (0) log(LOG_DEBUG, pr_fmt(fmt), ##__VA_ARGS__); 0; })
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#endif
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#ifndef pr_fmt
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#define pr_fmt(fmt) fmt
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#endif
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/*
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* Print a one-time message (analogous to WARN_ONCE() et al):
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*/
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#define printk_once(...) do { \
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static bool __print_once; \
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\
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if (!__print_once) { \
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__print_once = true; \
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printk(__VA_ARGS__); \
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} \
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} while (0)
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/*
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* Log a one-time message (analogous to WARN_ONCE() et al):
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*/
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#define log_once(level,...) do { \
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static bool __log_once; \
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\
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if (unlikely(!__log_once)) { \
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__log_once = true; \
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log(level, __VA_ARGS__); \
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} \
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} while (0)
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#define pr_emerg(fmt, ...) \
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log(LOG_EMERG, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_alert(fmt, ...) \
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log(LOG_ALERT, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_crit(fmt, ...) \
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log(LOG_CRIT, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_err(fmt, ...) \
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log(LOG_ERR, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_err_once(fmt, ...) \
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log_once(LOG_ERR, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_warning(fmt, ...) \
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log(LOG_WARNING, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_warn(...) \
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pr_warning(__VA_ARGS__)
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#define pr_warn_once(fmt, ...) \
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log_once(LOG_WARNING, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_notice(fmt, ...) \
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log(LOG_NOTICE, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_info(fmt, ...) \
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log(LOG_INFO, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_info_once(fmt, ...) \
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log_once(LOG_INFO, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_cont(fmt, ...) \
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printk(KERN_CONT fmt, ##__VA_ARGS__)
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#define pr_warn_ratelimited(...) do { \
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static linux_ratelimit_t __ratelimited; \
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if (linux_ratelimited(&__ratelimited)) \
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pr_warning(__VA_ARGS__); \
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} while (0)
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#ifndef WARN
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#define WARN(condition, ...) ({ \
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bool __ret_warn_on = (condition); \
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if (unlikely(__ret_warn_on)) \
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pr_warning(__VA_ARGS__); \
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unlikely(__ret_warn_on); \
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})
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#endif
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#ifndef WARN_ONCE
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#define WARN_ONCE(condition, ...) ({ \
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bool __ret_warn_on = (condition); \
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if (unlikely(__ret_warn_on)) \
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pr_warn_once(__VA_ARGS__); \
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unlikely(__ret_warn_on); \
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})
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#endif
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#define u64_to_user_ptr(val) ((void *)(uintptr_t)(val))
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#define _RET_IP_ __builtin_return_address(0)
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#define offsetofend(t, m) \
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(offsetof(t, m) + sizeof((((t *)0)->m)))
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#define smp_processor_id() PCPU_GET(cpuid)
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#define num_possible_cpus() mp_ncpus
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#define num_online_cpus() mp_ncpus
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#if defined(__i386__) || defined(__amd64__)
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extern bool linux_cpu_has_clflush;
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#define cpu_has_clflush linux_cpu_has_clflush
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#endif
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typedef struct linux_ratelimit {
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struct timeval lasttime;
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int counter;
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} linux_ratelimit_t;
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static inline bool
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linux_ratelimited(linux_ratelimit_t *rl)
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{
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return (ppsratecheck(&rl->lasttime, &rl->counter, 1));
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}
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#define __is_constexpr(x) \
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__builtin_constant_p(x)
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/*
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* The is_signed() macro below returns true if the passed data type is
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* signed. Else false is returned.
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*/
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#define is_signed(datatype) (((datatype)-1 / (datatype)2) == (datatype)0)
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#define TAINT_WARN 0
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#define test_taint(x) (0)
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#define add_taint(x,y) do { \
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} while (0)
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static inline int
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_h2b(const char c)
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{
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if (c >= '0' && c <= '9')
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return (c - '0');
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if (c >= 'a' && c <= 'f')
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return (10 + c - 'a');
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if (c >= 'A' && c <= 'F')
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return (10 + c - 'A');
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return (-EINVAL);
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}
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static inline int
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hex2bin(uint8_t *bindst, const char *hexsrc, size_t binlen)
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{
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int hi4, lo4;
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while (binlen > 0) {
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hi4 = _h2b(*hexsrc++);
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lo4 = _h2b(*hexsrc++);
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if (hi4 < 0 || lo4 < 0)
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return (-EINVAL);
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*bindst++ = (hi4 << 4) | lo4;
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binlen--;
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}
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return (0);
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}
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static inline bool
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mac_pton(const char *macin, uint8_t *macout)
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{
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const char *s, *d;
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uint8_t mac[6], hx, lx;;
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int i;
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if (strlen(macin) < (3 * 6 - 1))
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return (false);
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i = 0;
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s = macin;
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do {
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/* Should we also support '-'-delimiters? */
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d = strchrnul(s, ':');
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hx = lx = 0;
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while (s < d) {
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/* Fail on abc:123:xxx:... */
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if ((d - s) > 2)
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return (false);
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/* We do support non-well-formed strings: 3:45:6:... */
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if ((d - s) > 1) {
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hx = _h2b(*s);
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if (hx < 0)
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return (false);
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s++;
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}
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lx = _h2b(*s);
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if (lx < 0)
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return (false);
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s++;
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}
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mac[i] = (hx << 4) | lx;
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i++;
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if (i >= 6)
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return (false);
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} while (d != NULL && *d != '\0');
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memcpy(macout, mac, 6);
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return (true);
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}
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#define DECLARE_FLEX_ARRAY(_t, _n) \
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struct { struct { } __dummy_ ## _n; _t _n[0]; }
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#endif /* _LINUXKPI_LINUX_KERNEL_H_ */
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