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Diffstat (limited to 'rtemsbsd/powerpc/include/linux/kernel.h')
| -rw-r--r-- | rtemsbsd/powerpc/include/linux/kernel.h | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/rtemsbsd/powerpc/include/linux/kernel.h b/rtemsbsd/powerpc/include/linux/kernel.h new file mode 100644 index 00000000..6fb6d8fa --- /dev/null +++ b/rtemsbsd/powerpc/include/linux/kernel.h @@ -0,0 +1,236 @@ +/*- + * 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 François 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/err.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 (__predict_false(condition)) BUG(); } while(0) +#define WARN_ON(condition) ({ int _warn_on = !!(condition); \ + __predict_false(_warn_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_crit_once(fmt, ...) \ + log_once(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_warn_once(fmt, ...) \ + log_once(LOG_WARNING, pr_fmt(fmt), ##__VA_ARGS__) +#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);}) +int __must_check kstrtoint(const char *, unsigned int, int *); + +#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) + +#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) + +#define lower_32_bits(n) ((u32)(n)) + +/* + * 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); +} + +#define cpu_relax() RTEMS_COMPILER_MEMORY_BARRIER() + +#define udelay(x) DELAY(x) + +#define usleep_range(x, y) usleep(x) + +#endif /* _LINUX_KERNEL_H_ */ |