aboutsummaryrefslogtreecommitdiff
path: root/sys/compat/linuxkpi/common/include/linux/kernel.h
diff options
context:
space:
mode:
Diffstat (limited to 'sys/compat/linuxkpi/common/include/linux/kernel.h')
-rw-r--r--sys/compat/linuxkpi/common/include/linux/kernel.h219
1 files changed, 219 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/kernel.h b/sys/compat/linuxkpi/common/include/linux/kernel.h
new file mode 100644
index 000000000000..bfc3b7d7b6b0
--- /dev/null
+++ b/sys/compat/linuxkpi/common/include/linux/kernel.h
@@ -0,0 +1,219 @@
+/*-
+ * Copyright (c) 2010 Isilon Systems, Inc.
+ * Copyright (c) 2010 iX Systems, Inc.
+ * Copyright (c) 2010 Panasas, Inc.
+ * Copyright (c) 2013-2015 Mellanox Technologies, Ltd.
+ * Copyright (c) 2014-2015 Fran├žois Tigeot
+ * 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.
+ *
+ * $FreeBSD$
+ */
+#ifndef _LINUX_KERNEL_H_
+#define _LINUX_KERNEL_H_
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/param.h>
+#include <sys/libkern.h>
+#include <sys/stat.h>
+#include <sys/smp.h>
+#include <sys/stddef.h>
+#include <sys/syslog.h>
+
+#include <linux/bitops.h>
+#include <linux/compiler.h>
+#include <linux/errno.h>
+#include <linux/kthread.h>
+#include <linux/types.h>
+#include <linux/jiffies.h>
+#include <linux/wait.h>
+#include <linux/log2.h>
+#include <asm/byteorder.h>
+
+#define KERN_CONT ""
+#define KERN_EMERG "<0>"
+#define KERN_ALERT "<1>"
+#define KERN_CRIT "<2>"
+#define KERN_ERR "<3>"
+#define KERN_WARNING "<4>"
+#define KERN_NOTICE "<5>"
+#define KERN_INFO "<6>"
+#define KERN_DEBUG "<7>"
+
+#define BUILD_BUG_ON(x) CTASSERT(!(x))
+
+#define BUG() panic("BUG")
+#define BUG_ON(condition) do { if (condition) BUG(); } while(0)
+#define WARN_ON BUG_ON
+
+#undef ALIGN
+#define ALIGN(x, y) roundup2((x), (y))
+#undef PTR_ALIGN
+#define PTR_ALIGN(p, a) ((__typeof(p))ALIGN((uintptr_t)(p), (a)))
+#define DIV_ROUND_UP(x, n) howmany(x, n)
+#define DIV_ROUND_UP_ULL(x, n) DIV_ROUND_UP((unsigned long long)(x), (n))
+#define FIELD_SIZEOF(t, f) sizeof(((t *)0)->f)
+
+#define printk(X...) printf(X)
+
+/*
+ * The "pr_debug()" and "pr_devel()" macros should produce zero code
+ * unless DEBUG is defined:
+ */
+#ifdef DEBUG
+#define pr_debug(fmt, ...) \
+ log(LOG_DEBUG, fmt, ##__VA_ARGS__)
+#define pr_devel(fmt, ...) \
+ log(LOG_DEBUG, pr_fmt(fmt), ##__VA_ARGS__)
+#else
+#define pr_debug(fmt, ...) \
+ ({ if (0) log(LOG_DEBUG, fmt, ##__VA_ARGS__); 0; })
+#define pr_devel(fmt, ...) \
+ ({ if (0) log(LOG_DEBUG, pr_fmt(fmt), ##__VA_ARGS__); 0; })
+#endif
+
+#ifndef pr_fmt
+#define pr_fmt(fmt) fmt
+#endif
+
+/*
+ * Print a one-time message (analogous to WARN_ONCE() et al):
+ */
+#define printk_once(...) do { \
+ static bool __print_once; \
+ \
+ if (!__print_once) { \
+ __print_once = true; \
+ printk(__VA_ARGS__); \
+ } \
+} while (0)
+
+/*
+ * Log a one-time message (analogous to WARN_ONCE() et al):
+ */
+#define log_once(level,...) do { \
+ static bool __log_once; \
+ \
+ if (!__log_once) { \
+ __log_once = true; \
+ log(level, __VA_ARGS__); \
+ } \
+} while (0)
+
+#define pr_emerg(fmt, ...) \
+ log(LOG_EMERG, pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_alert(fmt, ...) \
+ log(LOG_ALERT, pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_crit(fmt, ...) \
+ log(LOG_CRIT, pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_err(fmt, ...) \
+ log(LOG_ERR, pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_warning(fmt, ...) \
+ log(LOG_WARNING, pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_warn pr_warning
+#define pr_notice(fmt, ...) \
+ log(LOG_NOTICE, pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_info(fmt, ...) \
+ log(LOG_INFO, pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_info_once(fmt, ...) \
+ log_once(LOG_INFO, pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_cont(fmt, ...) \
+ printk(KERN_CONT fmt, ##__VA_ARGS__)
+
+#ifndef WARN
+#define WARN(condition, format...) ({ \
+ int __ret_warn_on = !!(condition); \
+ if (unlikely(__ret_warn_on)) \
+ pr_warning(format); \
+ unlikely(__ret_warn_on); \
+})
+#endif
+
+#define container_of(ptr, type, member) \
+({ \
+ __typeof(((type *)0)->member) *_p = (ptr); \
+ (type *)((char *)_p - offsetof(type, member)); \
+})
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
+#define simple_strtoul strtoul
+#define simple_strtol strtol
+#define kstrtol(a,b,c) ({*(c) = strtol(a,0,b);})
+
+#define min(x, y) ((x) < (y) ? (x) : (y))
+#define max(x, y) ((x) > (y) ? (x) : (y))
+
+#define min3(a, b, c) min(a, min(b,c))
+#define max3(a, b, c) max(a, max(b,c))
+
+#define min_t(type, _x, _y) ((type)(_x) < (type)(_y) ? (type)(_x) : (type)(_y))
+#define max_t(type, _x, _y) ((type)(_x) > (type)(_y) ? (type)(_x) : (type)(_y))
+
+#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)
+
+/*
+ * This looks more complex than it should be. But we need to
+ * get the type for the ~ right in round_down (it needs to be
+ * as wide as the result!), and we want to evaluate the macro
+ * arguments just once each.
+ */
+#define __round_mask(x, y) ((__typeof__(x))((y)-1))
+#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1)
+#define round_down(x, y) ((x) & ~__round_mask(x, y))
+
+#define num_possible_cpus() mp_ncpus
+#define num_online_cpus() mp_ncpus
+
+typedef struct pm_message {
+ int event;
+} pm_message_t;
+
+/* Swap values of a and b */
+#define swap(a, b) do { \
+ typeof(a) _swap_tmp = a; \
+ a = b; \
+ b = _swap_tmp; \
+} while (0)
+
+#define DIV_ROUND_CLOSEST(x, divisor) (((x) + ((divisor) / 2)) / (divisor))
+
+static inline uintmax_t
+mult_frac(uintmax_t x, uintmax_t multiplier, uintmax_t divisor)
+{
+ uintmax_t q = (x / divisor);
+ uintmax_t r = (x % divisor);
+
+ return ((q * multiplier) + ((r * multiplier) / divisor));
+}
+
+static inline int64_t
+abs64(int64_t x)
+{
+ return (x < 0 ? -x : x);
+}
+
+#endif /* _LINUX_KERNEL_H_ */