[mirror_ubuntu-hirsute-kernel.git] / include / linux / time32.h

#ifndef _LINUX_TIME32_H
#define _LINUX_TIME32_H
/*
 * These are all interfaces based on the old time_t definition
 * that overflows in 2038 on 32-bit architectures. New code
 * should use the replacements based on time64_t and timespec64.
 *
 * Any interfaces in here that become unused as we migrate
 * code to time64_t should get removed.
 */

#include <linux/time64.h>
#include <linux/timex.h>

typedef s32		old_time32_t;

struct old_timespec32 {
	old_time32_t	tv_sec;
	s32		tv_nsec;
};

struct old_timeval32 {
	old_time32_t	tv_sec;
	s32		tv_usec;
};

struct old_itimerspec32 {
	struct old_timespec32 it_interval;
	struct old_timespec32 it_value;
};

struct old_utimbuf32 {
	old_time32_t	actime;
	old_time32_t	modtime;
};

struct old_timex32 {
	u32 modes;
	s32 offset;
	s32 freq;
	s32 maxerror;
	s32 esterror;
	s32 status;
	s32 constant;
	s32 precision;
	s32 tolerance;
	struct old_timeval32 time;
	s32 tick;
	s32 ppsfreq;
	s32 jitter;
	s32 shift;
	s32 stabil;
	s32 jitcnt;
	s32 calcnt;
	s32 errcnt;
	s32 stbcnt;
	s32 tai;

	s32:32; s32:32; s32:32; s32:32;
	s32:32; s32:32; s32:32; s32:32;
	s32:32; s32:32; s32:32;
};

extern int get_old_timespec32(struct timespec64 *, const void __user *);
extern int put_old_timespec32(const struct timespec64 *, void __user *);
extern int get_old_itimerspec32(struct itimerspec64 *its,
			const struct old_itimerspec32 __user *uits);
extern int put_old_itimerspec32(const struct itimerspec64 *its,
			struct old_itimerspec32 __user *uits);
struct __kernel_timex;
int get_old_timex32(struct __kernel_timex *, const struct old_timex32 __user *);
int put_old_timex32(struct old_timex32 __user *, const struct __kernel_timex *);

/**
 * ns_to_kernel_old_timeval - Convert nanoseconds to timeval
 * @nsec:	the nanoseconds value to be converted
 *
 * Returns the timeval representation of the nsec parameter.
 */
extern struct __kernel_old_timeval ns_to_kernel_old_timeval(s64 nsec);

#endif
Commit	Line	Data
5dbf2012 AB	1	#ifndef _LINUX_TIME32_H
	2	#define _LINUX_TIME32_H
	3	/*
	4	* These are all interfaces based on the old time_t definition
	5	* that overflows in 2038 on 32-bit architectures. New code
	6	* should use the replacements based on time64_t and timespec64.
	7	*
	8	* Any interfaces in here that become unused as we migrate
	9	* code to time64_t should get removed.
	10	*/
	11
	12	#include <linux/time64.h>
4d5f007e	13	#include <linux/timex.h>
5dbf2012	14
9afc5eee AB	15	typedef s32 old_time32_t;
	16
	17	struct old_timespec32 {
	18	old_time32_t tv_sec;
	19	s32 tv_nsec;
	20	};
	21
	22	struct old_timeval32 {
	23	old_time32_t tv_sec;
	24	s32 tv_usec;
	25	};
	26
	27	struct old_itimerspec32 {
	28	struct old_timespec32 it_interval;
	29	struct old_timespec32 it_value;
	30	};
	31
4faea239 AB	32	struct old_utimbuf32 {
	33	old_time32_t actime;
	34	old_time32_t modtime;
	35	};
	36
4d5f007e AB	37	struct old_timex32 {
	38	u32 modes;
	39	s32 offset;
	40	s32 freq;
	41	s32 maxerror;
	42	s32 esterror;
	43	s32 status;
	44	s32 constant;
	45	s32 precision;
	46	s32 tolerance;
	47	struct old_timeval32 time;
	48	s32 tick;
	49	s32 ppsfreq;
	50	s32 jitter;
	51	s32 shift;
	52	s32 stabil;
	53	s32 jitcnt;
	54	s32 calcnt;
	55	s32 errcnt;
	56	s32 stbcnt;
	57	s32 tai;
	58
	59	s32:32; s32:32; s32:32; s32:32;
	60	s32:32; s32:32; s32:32; s32:32;
	61	s32:32; s32:32; s32:32;
	62	};
	63
9afc5eee AB	64	extern int get_old_timespec32(struct timespec64 , const void __user );
	65	extern int put_old_timespec32(const struct timespec64 , void __user );
	66	extern int get_old_itimerspec32(struct itimerspec64 *its,
	67	const struct old_itimerspec32 __user *uits);
	68	extern int put_old_itimerspec32(const struct itimerspec64 *its,
	69	struct old_itimerspec32 __user *uits);
ead25417 DD	70	struct __kernel_timex;
	71	int get_old_timex32(struct __kernel_timex , const struct old_timex32 __user );
	72	int put_old_timex32(struct old_timex32 __user , const struct __kernel_timex );
9afc5eee	73
5dbf2012	74	/**
412c53a6	75	* ns_to_kernel_old_timeval - Convert nanoseconds to timeval
5dbf2012 AB	76	* @nsec: the nanoseconds value to be converted
	77	*
	78	* Returns the timeval representation of the nsec parameter.
	79	*/
a84d1169	80	extern struct __kernel_old_timeval ns_to_kernel_old_timeval(s64 nsec);
5dbf2012 AB	81
5dbf2012 AB	82	#endif