Files
android_kernel_samsung_sm86…/qdf/inc/qdf_atomic.h
Prakash Dhavali 142cee4bf2 Initial host-common file folder cleanup and moves
Initial host-common file folder cleanup and moves
on top of baseline reference of MCL WLAN driver
SU#5.0.0.160.

Move dp, ht comm, hif, wmi and qdf folders one level up

Change-Id: I2120898024b1eafd5d651c48768dbf48bf05995d
2016-03-03 01:02:02 -08:00

153 lines
3.8 KiB
C

/*
* Copyright (c) 2014-2015 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This file was originally distributed by Qualcomm Atheros, Inc.
* under proprietary terms before Copyright ownership was assigned
* to the Linux Foundation.
*/
/**
* DOC: cdf_atomic.h
* This file abstracts an atomic counter.
*/
#ifndef _CDF_ATOMIC_H
#define _CDF_ATOMIC_H
#include <i_cdf_atomic.h>
/**
* cdf_atomic_t - atomic type of variable
*
* Use this when you want a simple resource counter etc. which is atomic
* across multiple CPU's. These maybe slower than usual counters on some
* platforms/OS'es, so use them with caution.
*/
typedef __cdf_atomic_t cdf_atomic_t;
/**
* cdf_atomic_init() - initialize an atomic type variable
* @v: A pointer to an opaque atomic variable
*
* Return: None
*/
static inline void cdf_atomic_init(cdf_atomic_t *v)
{
__cdf_atomic_init(v);
}
/**
* cdf_atomic_read() - read the value of an atomic variable
* @v: A pointer to an opaque atomic variable
*
* Return: The current value of the variable
*/
static inline int32_t cdf_atomic_read(cdf_atomic_t *v)
{
return __cdf_atomic_read(v);
}
/**
* cdf_atomic_inc() - increment the value of an atomic variable
* @v: A pointer to an opaque atomic variable
*
* Return: None
*/
static inline void cdf_atomic_inc(cdf_atomic_t *v)
{
__cdf_atomic_inc(v);
}
/**
* cdf_atomic_dec() - decrement the value of an atomic variable
* @v: A pointer to an opaque atomic variable
*
* Return: None
*/
static inline void cdf_atomic_dec(cdf_atomic_t *v)
{
__cdf_atomic_dec(v);
}
/**
* cdf_atomic_add() - add a value to the value of an atomic variable
* @v: A pointer to an opaque atomic variable
* @i: The amount by which to increase the atomic counter
*
* Return: None
*/
static inline void cdf_atomic_add(int i, cdf_atomic_t *v)
{
__cdf_atomic_add(i, v);
}
/**
* cdf_atomic_sub() - Subtract a value from an atomic variable.
* @i: the amount by which to decrease the atomic counter
* @v: a pointer to an opaque atomic variable
*
* Return: none
*/
static inline void cdf_atomic_sub(int i, cdf_atomic_t *v)
{
__cdf_atomic_sub(i, v);
}
/**
* cdf_atomic_dec_and_test() - decrement an atomic variable and check if the
* new value is zero
* @v: A pointer to an opaque atomic variable
*
* Return:
* true (non-zero) if the new value is zero,
* or false (0) if the new value is non-zero
*/
static inline int32_t cdf_atomic_dec_and_test(cdf_atomic_t *v)
{
return __cdf_atomic_dec_and_test(v);
}
/**
* cdf_atomic_set() - set a value to the value of an atomic variable
* @v: A pointer to an opaque atomic variable
*
* Return: None
*/
static inline void cdf_atomic_set(cdf_atomic_t *v, int i)
{
__cdf_atomic_set(v, i);
}
/**
* cdf_atomic_inc_return() - return the incremented value of an atomic variable
* @v: A pointer to an opaque atomic variable
*
* Return: The current value of the variable
*/
static inline int32_t cdf_atomic_inc_return(cdf_atomic_t *v)
{
return __cdf_atomic_inc_return(v);
}
#endif