1 files changed, 307 insertions, 0 deletions

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
new file mode 100644
index 000000000000..7c1cba4a5278
--- /dev/null
+++ b/include/linux/kernel.h
@@ -0,0 +1,307 @@
+#ifndef _LINUX_KERNEL_H
+#define _LINUX_KERNEL_H
+
+/*
+ * 'kernel.h' contains some often-used function prototypes etc
+ */
+
+#ifdef __KERNEL__
+
+#include <stdarg.h>
+#include <linux/linkage.h>
+#include <linux/stddef.h>
+#include <linux/types.h>
+#include <linux/compiler.h>
+#include <linux/bitops.h>
+#include <asm/byteorder.h>
+#include <asm/bug.h>
+
+extern const char linux_banner[];
+
+#define INT_MAX         ((int)(~0U>>1))
+#define INT_MIN         (-INT_MAX - 1)
+#define UINT_MAX        (~0U)
+#define LONG_MAX        ((long)(~0UL>>1))
+#define LONG_MIN        (-LONG_MAX - 1)
+#define ULONG_MAX       (~0UL)
+
+#define STACK_MAGIC     0xdeadbeef
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#define ALIGN(x,a) (((x)+(a)-1)&~((a)-1))
+
+#define KERN_EMERG      "<0>"   /* system is unusable                   */
+#define KERN_ALERT      "<1>"   /* action must be taken immediately     */
+#define KERN_CRIT       "<2>"   /* critical conditions                  */
+#define KERN_ERR        "<3>"   /* error conditions                     */
+#define KERN_WARNING    "<4>"   /* warning conditions                   */
+#define KERN_NOTICE     "<5>"   /* normal but significant condition     */
+#define KERN_INFO       "<6>"   /* informational                        */
+#define KERN_DEBUG      "<7>"   /* debug-level messages                 */
+
+extern int console_printk[];
+
+#define console_loglevel (console_printk[0])
+#define default_message_loglevel (console_printk[1])
+#define minimum_console_loglevel (console_printk[2])
+#define default_console_loglevel (console_printk[3])
+
+struct completion;
+
+/**
+ * might_sleep - annotation for functions that can sleep
+ *
+ * this macro will print a stack trace if it is executed in an atomic
+ * context (spinlock, irq-handler, ...).
+ *
+ * This is a useful debugging help to be able to catch problems early and not
+ * be biten later when the calling function happens to sleep when it is not
+ * supposed to.
+ */
+#ifdef CONFIG_DEBUG_SPINLOCK_SLEEP
+#define might_sleep() __might_sleep(__FILE__, __LINE__)
+#define might_sleep_if(cond) do { if (unlikely(cond)) might_sleep(); } while (0)
+void __might_sleep(char *file, int line);
+#else
+#define might_sleep() do {} while(0)
+#define might_sleep_if(cond) do {} while (0)
+#endif
+
+#define abs(x) ({                               \
+                int __x = (x);                  \
+                (__x < 0) ? -__x : __x;         \
+        })
+
+#define labs(x) ({                              \
+                long __x = (x);                 \
+                (__x < 0) ? -__x : __x;         \
+        })
+
+extern struct notifier_block *panic_notifier_list;
+extern long (*panic_blink)(long time);
+NORET_TYPE void panic(const char * fmt, ...)
+        __attribute__ ((NORET_AND format (printf, 1, 2)));
+fastcall NORET_TYPE void do_exit(long error_code)
+        ATTRIB_NORET;
+NORET_TYPE void complete_and_exit(struct completion *, long)
+        ATTRIB_NORET;
+extern unsigned long simple_strtoul(const char *,char **,unsigned int);
+extern long simple_strtol(const char *,char **,unsigned int);
+extern unsigned long long simple_strtoull(const char *,char **,unsigned int);
+extern long long simple_strtoll(const char *,char **,unsigned int);
+extern int sprintf(char * buf, const char * fmt, ...)
+        __attribute__ ((format (printf, 2, 3)));
+extern int vsprintf(char *buf, const char *, va_list)
+        __attribute__ ((format (printf, 2, 0)));
+extern int snprintf(char * buf, size_t size, const char * fmt, ...)
+        __attribute__ ((format (printf, 3, 4)));
+extern int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
+        __attribute__ ((format (printf, 3, 0)));
+extern int scnprintf(char * buf, size_t size, const char * fmt, ...)
+        __attribute__ ((format (printf, 3, 4)));
+extern int vscnprintf(char *buf, size_t size, const char *fmt, va_list args)
+        __attribute__ ((format (printf, 3, 0)));
+
+extern int sscanf(const char *, const char *, ...)
+        __attribute__ ((format (scanf, 2, 3)));
+extern int vsscanf(const char *, const char *, va_list)
+        __attribute__ ((format (scanf, 2, 0)));
+
+extern int get_option(char **str, int *pint);
+extern char *get_options(const char *str, int nints, int *ints);
+extern unsigned long long memparse(char *ptr, char **retptr);
+
+extern int __kernel_text_address(unsigned long addr);
+extern int kernel_text_address(unsigned long addr);
+extern int session_of_pgrp(int pgrp);
+
+asmlinkage int vprintk(const char *fmt, va_list args)
+        __attribute__ ((format (printf, 1, 0)));
+asmlinkage int printk(const char * fmt, ...)
+        __attribute__ ((format (printf, 1, 2)));
+
+unsigned long int_sqrt(unsigned long);
+
+static inline int __attribute_pure__ long_log2(unsigned long x)
+{
+        int r = 0;
+        for (x >>= 1; x > 0; x >>= 1)
+                r++;
+        return r;
+}
+
+static inline unsigned long __attribute_const__ roundup_pow_of_two(unsigned long x)
+{
+        return (1UL << fls(x - 1));
+}
+
+extern int printk_ratelimit(void);
+extern int __printk_ratelimit(int ratelimit_jiffies, int ratelimit_burst);
+
+static inline void console_silent(void)
+{
+        console_loglevel = 0;
+}
+
+static inline void console_verbose(void)
+{
+        if (console_loglevel)
+                console_loglevel = 15;
+}
+
+extern void bust_spinlocks(int yes);
+extern int oops_in_progress;            /* If set, an oops, panic(), BUG() or die() is in progress */
+extern int panic_timeout;
+extern int panic_on_oops;
+extern int tainted;
+extern const char *print_tainted(void);
+extern void add_taint(unsigned);
+
+/* Values used for system_state */
+extern enum system_states {
+        SYSTEM_BOOTING,
+        SYSTEM_RUNNING,
+        SYSTEM_HALT,
+        SYSTEM_POWER_OFF,
+        SYSTEM_RESTART,
+} system_state;
+
+#define TAINT_PROPRIETARY_MODULE        (1<<0)
+#define TAINT_FORCED_MODULE             (1<<1)
+#define TAINT_UNSAFE_SMP                (1<<2)
+#define TAINT_FORCED_RMMOD              (1<<3)
+#define TAINT_MACHINE_CHECK             (1<<4)
+#define TAINT_BAD_PAGE                  (1<<5)
+
+extern void dump_stack(void);
+
+#ifdef DEBUG
+#define pr_debug(fmt,arg...) \
+        printk(KERN_DEBUG fmt,##arg)
+#else
+#define pr_debug(fmt,arg...) \
+        do { } while (0)
+#endif
+
+#define pr_info(fmt,arg...) \
+        printk(KERN_INFO fmt,##arg)
+
+/*
+ *      Display an IP address in readable format.
+ */
+
+#define NIPQUAD(addr) \
+        ((unsigned char *)&addr)[0], \
+        ((unsigned char *)&addr)[1], \
+        ((unsigned char *)&addr)[2], \
+        ((unsigned char *)&addr)[3]
+
+#define NIP6(addr) \
+        ntohs((addr).s6_addr16[0]), \
+        ntohs((addr).s6_addr16[1]), \
+        ntohs((addr).s6_addr16[2]), \
+        ntohs((addr).s6_addr16[3]), \
+        ntohs((addr).s6_addr16[4]), \
+        ntohs((addr).s6_addr16[5]), \
+        ntohs((addr).s6_addr16[6]), \
+        ntohs((addr).s6_addr16[7])
+
+#if defined(__LITTLE_ENDIAN)
+#define HIPQUAD(addr) \
+        ((unsigned char *)&addr)[3], \
+        ((unsigned char *)&addr)[2], \
+        ((unsigned char *)&addr)[1], \
+        ((unsigned char *)&addr)[0]
+#elif defined(__BIG_ENDIAN)
+#define HIPQUAD NIPQUAD
+#else
+#error "Please fix asm/byteorder.h"
+#endif /* __LITTLE_ENDIAN */
+
+/*
+ * min()/max() macros that also do
+ * strict type-checking.. See the
+ * "unnecessary" pointer comparison.
+ */
+#define min(x,y) ({ \
+        typeof(x) _x = (x);     \
+        typeof(y) _y = (y);     \
+        (void) (&_x == &_y);            \
+        _x < _y ? _x : _y; })
+
+#define max(x,y) ({ \
+        typeof(x) _x = (x);     \
+        typeof(y) _y = (y);     \
+        (void) (&_x == &_y);            \
+        _x > _y ? _x : _y; })
+
+/*
+ * ..and if you can't take the strict
+ * types, you can specify one yourself.
+ *
+ * Or not use min/max at all, of course.
+ */
+#define min_t(type,x,y) \
+        ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
+#define max_t(type,x,y) \
+        ({ type __x = (x); type __y = (y); __x > __y ? __x: __y; })
+
+
+/**
+ * container_of - cast a member of a structure out to the containing structure
+ *
+ * @ptr:        the pointer to the member.
+ * @type:       the type of the container struct this is embedded in.
+ * @member:     the name of the member within the struct.
+ *
+ */
+#define container_of(ptr, type, member) ({                      \
+        const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
+        (type *)( (char *)__mptr - offsetof(type,member) );})
+
+/*
+ * Check at compile time that something is of a particular type.
+ * Always evaluates to 1 so you may use it easily in comparisons.
+ */
+#define typecheck(type,x) \
+({      type __dummy; \
+        typeof(x) __dummy2; \
+        (void)(&__dummy == &__dummy2); \
+        1; \
+})
+
+#endif /* __KERNEL__ */
+
+#define SI_LOAD_SHIFT   16
+struct sysinfo {
+        long uptime;                    /* Seconds since boot */
+        unsigned long loads[3];         /* 1, 5, and 15 minute load averages */
+        unsigned long totalram;         /* Total usable main memory size */
+        unsigned long freeram;          /* Available memory size */
+        unsigned long sharedram;        /* Amount of shared memory */
+        unsigned long bufferram;        /* Memory used by buffers */
+        unsigned long totalswap;        /* Total swap space size */
+        unsigned long freeswap;         /* swap space still available */
+        unsigned short procs;           /* Number of current processes */
+        unsigned short pad;             /* explicit padding for m68k */
+        unsigned long totalhigh;        /* Total high memory size */
+        unsigned long freehigh;         /* Available high memory size */
+        unsigned int mem_unit;          /* Memory unit size in bytes */
+        char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
+};
+
+extern void BUILD_BUG(void);
+#define BUILD_BUG_ON(condition) do { if (condition) BUILD_BUG(); } while(0)
+
+#ifdef CONFIG_SYSCTL
+extern int randomize_va_space;
+#else
+#define randomize_va_space 1
+#endif
+
+/* Trap pasters of __FUNCTION__ at compile-time */
+#if __GNUC__ > 2 || __GNUC_MINOR__ >= 95
+#define __FUNCTION__ (__func__)
+#endif
+
+#endif