/*
 * time.h - NTFS time conversion functions.  Part of the Linux-NTFS project.
 *
 * Copyright (c) 2001-2005 Anton Altaparmakov
 *
 * This program/include file is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program/include file is distributed in the hope that it will be
 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program (in the main directory of the Linux-NTFS
 * distribution in the file COPYING); if not, write to the Free Software
 * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef _LINUX_NTFS_TIME_H
#define _LINUX_NTFS_TIME_H

#include <linux/time.h>		/* For current_kernel_time(). */
#include <asm/div64.h>		/* For do_div(). */

#include "endian.h"

#define NTFS_TIME_OFFSET ((s64)(369 * 365 + 89) * 24 * 3600 * 10000000)

/**
 * utc2ntfs - convert Linux UTC time to NTFS time
 * @ts:		Linux UTC time to convert to NTFS time
 *
 * Convert the Linux UTC time @ts to its corresponding NTFS time and return
 * that in little endian format.
 *
 * Linux stores time in a struct timespec consisting of a time_t (long at
 * present) tv_sec and a long tv_nsec where tv_sec is the number of 1-second
 * intervals since 1st January 1970, 00:00:00 UTC and tv_nsec is the number of
 * 1-nano-second intervals since the value of tv_sec.
 *
 * NTFS uses Microsoft's standard time format which is stored in a s64 and is
 * measured as the number of 100-nano-second intervals since 1st January 1601,
 * 00:00:00 UTC.
 */
static inline sle64 utc2ntfs(const struct timespec ts)
{
	/*
	 * Convert the seconds to 100ns intervals, add the nano-seconds
	 * converted to 100ns intervals, and then add the NTFS time offset.
	 */
	return cpu_to_sle64((s64)ts.tv_sec * 10000000 + ts.tv_nsec / 100 +
			NTFS_TIME_OFFSET);
}

/**
 * get_current_ntfs_time - get the current time in little endian NTFS format
 *
 * Get the current time from the Linux kernel, convert it to its corresponding
 * NTFS time and return that in little endian format.
 */
static inline sle64 get_current_ntfs_time(void)
{
	return utc2ntfs(current_kernel_time());
}

/**
 * ntfs2utc - convert NTFS time to Linux time
 * @time:	NTFS time (little endian) to convert to Linux UTC
 *
 * Convert the little endian NTFS time @time to its corresponding Linux UTC
 * time and return that in cpu format.
 *
 * Linux stores time in a struct timespec consisting of a time_t (long at
 * present) tv_sec and a long tv_nsec where tv_sec is the number of 1-second
 * intervals since 1st January 1970, 00:00:00 UTC and tv_nsec is the number of
 * 1-nano-second intervals since the value of tv_sec.
 *
 * NTFS uses Microsoft's standard time format which is stored in a s64 and is
 * measured as the number of 100 nano-second intervals since 1st January 1601,
 * 00:00:00 UTC.
 */
static inline struct timespec ntfs2utc(const sle64 time)
{
	struct timespec ts;

	/* Subtract the NTFS time offset. */
	u64 t = (u64)(sle64_to_cpu(time) - NTFS_TIME_OFFSET);
	/*
	 * Convert the time to 1-second intervals and the remainder to
	 * 1-nano-second intervals.
	 */
	ts.tv_nsec = do_div(t, 10000000) * 100;
	ts.tv_sec = t;
	return ts;
}

#endif /* _LINUX_NTFS_TIME_H */
/option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Eyal Itkin &lt;eyal.itkin@gmail.com&gt;</td><td class='right'>2017-02-07 16:43:05 +0300</td></tr>
<tr><th>committer</th><td>Doug Ledford &lt;dledford@redhat.com&gt;</td><td class='right'>2017-02-08 12:28:30 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/netrom?id=628f07d33c1f2e7bf31e0a4a988bb07914bd5e73'>628f07d33c1f2e7bf31e0a4a988bb07914bd5e73</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/netrom?id=628f07d33c1f2e7bf31e0a4a988bb07914bd5e73'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=628f07d33c1f2e7bf31e0a4a988bb07914bd5e73'>c228c66498f9a4562093fbbf80a41bcede0c06f2</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/netrom?id=628f07d33c1f2e7bf31e0a4a988bb07914bd5e73'>net/netrom</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/netrom?id=b4cfe3971f6eab542dd7ecc398bfa1aeec889934'>b4cfe3971f6eab542dd7ecc398bfa1aeec889934</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/netrom?id=628f07d33c1f2e7bf31e0a4a988bb07914bd5e73&amp;id2=b4cfe3971f6eab542dd7ecc398bfa1aeec889934'>diff</a>)</td></tr></table>
<div class='commit-subject'>IB/rxe: Fix resid update</div><div class='commit-msg'>Update the response's resid field when larger than MTU, instead of only
updating the local resid variable.

Fixes: 8700e3e7c485 ("Soft RoCE driver")
Signed-off-by: Eyal Itkin &lt;eyal.itkin@gmail.com&gt;
Signed-off-by: Dan Carpenter &lt;dan.carpenter@oracle.com&gt;
Reviewed-by: Leon Romanovsky &lt;leonro@mellanox.com&gt;
Signed-off-by: Doug Ledford &lt;dledford@redhat.com&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=628f07d33c1f2e7bf31e0a4a988bb07914bd5e73'>Diffstat</a> (limited to 'net/netrom')</div><table summary='diffstat' class='diffstat'>