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Chromebook-Device-Nyan-NVID…/drivers/platform/x86/intel_dptf/esif_ccb_time.h
2025-04-06 23:50:55 -05:00

210 lines
5.9 KiB
C

/*******************************************************************************
** This file is provided under a dual BSD/GPLv2 license. When using or
** redistributing this file, you may do so under either license.
**
** GPL LICENSE SUMMARY
**
** Copyright (c) 2013 Intel Corporation All Rights Reserved
**
** This program is free software; you can redistribute it and/or modify it under
** the terms of version 2 of the GNU General Public License as published by the
** Free Software Foundation.
**
** This program 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; if not, write to the Free Software Foundation, Inc.,
** 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
** The full GNU General Public License is included in this distribution in the
** file called LICENSE.GPL.
**
** BSD LICENSE
**
** Copyright (c) 2013 Intel Corporation All Rights Reserved
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
**
** * Redistributions of source code must retain the above copyright notice, this
** list of conditions and the following disclaimer.
** * 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.
** * Neither the name of Intel Corporation nor the names of its contributors may
** be used to endorse or promote products derived from this software without
** specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
**
*******************************************************************************/
#ifndef _ESIF_CCB_TIME_H_
#define _ESIF_CCB_TIME_H_
/* Agnostic */
typedef u64 esif_ccb_time_t;
/*
** Return system Time In Milliseconds
*/
/* Kernel */
#ifdef ESIF_ATTR_KERNEL
#ifdef ESIF_ATTR_OS_LINUX
static void ESIF_INLINE esif_ccb_system_time(esif_ccb_time_t *time)
{
struct timeval now = {0};
do_gettimeofday(&now);
*time = (now.tv_sec * 1000); /* Convert sec to msec */
*time += (now.tv_usec / 1000); /* Convert usec to msec */
}
#endif /* ESIF_ATTR_OS_LINUX */
#ifdef ESIF_ATTR_OS_WINDOWS
static void ESIF_INLINE esif_ccb_system_time(esif_ccb_time_t *time)
{
LARGE_INTEGER tickPerSecond = {0};
LARGE_INTEGER tick = {0};
/* get the high resolution counter's accuracy and tick's / sec */
tick = KeQueryPerformanceCounter(&tickPerSecond);
/* sytem time in msec not wall clock */
*time = (tick.QuadPart / (tickPerSecond.QuadPart / 1000));
}
#endif /* ESIF_ATTR_OS_WINDOWS */
#endif /* ESIF_ATTR_KERNEL */
/*
** User
*/
#ifdef ESIF_ATTR_USER
#include "esif.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define MAX_CTIME_LEN 30 /* max length of ctime string */
#ifdef ESIF_ATTR_OS_LINUX
#include <sys/time.h>
#include <errno.h>
static void ESIF_INLINE esif_ccb_ctime(
EsifString time_str,
size_t len,
const time_t *time
)
{
ctime_r(time, time_str);
}
static void ESIF_INLINE esif_ccb_system_time(esif_ccb_time_t *time)
{
struct timeval now = {0};
gettimeofday(&now, NULL);
*time = (now.tv_sec * 1000); /* Convert sec to msec */
*time += (now.tv_usec / 1000); /* Convert usec to msec */
}
static void ESIF_INLINE esif_ccb_get_time(struct timeval *tv)
{
gettimeofday(tv, NULL);
}
static int ESIF_INLINE esif_ccb_localtime(
struct tm *tm_ptr,
const time_t *time
)
{
return (localtime_r(time, tm_ptr) != NULL ? 0 : EINVAL);
}
#endif /* ESIF_ATTR_OS_LINUX */
#ifdef ESIF_ATTR_OS_WINDOWS
static void ESIF_INLINE esif_ccb_ctime(
esif_string time_str,
size_t len,
const time_t *time
)
{
ctime_s(time_str, len, time);
}
static void ESIF_INLINE esif_ccb_system_time(esif_ccb_time_t *time)
{
LARGE_INTEGER tickPerSecond = {0};
LARGE_INTEGER tick = {0};
/* get the high resolution counter's accuracy and tick / sec */
QueryPerformanceFrequency(&tickPerSecond);
QueryPerformanceCounter(&tick);
/* sytem time in msec not wall clock */
*time = (tick.QuadPart / (tickPerSecond.QuadPart / 1000));
}
static void ESIF_INLINE esif_ccb_get_time(struct timeval *tv)
{
LARGE_INTEGER tickPerSecond = {0};
LARGE_INTEGER tick = {0};
time_t rawtime;
/* Get Seconds */
time(&rawtime);
tv->tv_sec = (long)rawtime;
/* get the high resolution counter's accuracy and tick/sec */
QueryPerformanceFrequency(&tickPerSecond);
QueryPerformanceCounter(&tick);
/* Get usec */
tv->tv_usec =
(long)(tick.QuadPart / (tickPerSecond.QuadPart / 1000000));
}
static int ESIF_INLINE esif_ccb_localtime(
struct tm *tm_ptr,
const time_t *time
)
{
return localtime_s(tm_ptr, time);
}
#endif /* ESIF_ATTR_OS_WINDOWS */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* ESIF_ATTR_USER */
#endif /* _ESIF_CCB_TIME_H_ */
/****************************************************************************/
/****************************************************************************/
/****************************************************************************/