5776318d19
Converge ADF and CDF API's and move them to QDF folder. MCL/WIN driver use this QDF converged module for OS abstraction. Change-Id: I1d0cdfd8730a5c021aaa50b7dc8549d491d760b3 CRs-Fixed: 981187
155 行
3.8 KiB
C
155 行
3.8 KiB
C
/*
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* Copyright (c) 2014-2016 The Linux Foundation. All rights reserved.
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*
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* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
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*
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* This file was originally distributed by Qualcomm Atheros, Inc.
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* under proprietary terms before Copyright ownership was assigned
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* to the Linux Foundation.
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*/
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/**
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* DOC: qdf_atomic.h
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* This file provides OS abstraction for atomic APIs.
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*/
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#ifndef _QDF_ATOMIC_H
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#define _QDF_ATOMIC_H
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#include <i_qdf_atomic.h>
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/**
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* qdf_atomic_t - atomic type of variable
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*
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* Use this when you want a simple resource counter etc. which is atomic
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* across multiple CPU's. These maybe slower than usual counters on some
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* platforms/OS'es, so use them with caution.
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*/
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typedef __qdf_atomic_t qdf_atomic_t;
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/**
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* qdf_atomic_init() - initialize an atomic type variable
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* @v: A pointer to an opaque atomic variable
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*
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* Return: None
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*/
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static inline QDF_STATUS qdf_atomic_init(qdf_atomic_t *v)
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{
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return __qdf_atomic_init(v);
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}
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/**
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* qdf_atomic_read() - read the value of an atomic variable
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* @v: A pointer to an opaque atomic variable
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*
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* Return: The current value of the variable
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*/
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static inline int32_t qdf_atomic_read(qdf_atomic_t *v)
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{
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return __qdf_atomic_read(v);
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}
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/**
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* qdf_atomic_inc() - increment the value of an atomic variable
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* @v: A pointer to an opaque atomic variable
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*
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* Return: None
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*/
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static inline void qdf_atomic_inc(qdf_atomic_t *v)
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{
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__qdf_atomic_inc(v);
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}
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/**
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* qdf_atomic_dec() - decrement the value of an atomic variable
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* @v: A pointer to an opaque atomic variable
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*
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* Return: None
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*/
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static inline void qdf_atomic_dec(qdf_atomic_t *v)
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{
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__qdf_atomic_dec(v);
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}
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/**
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* qdf_atomic_add() - add a value to the value of an atomic variable
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* @i: The amount by which to increase the atomic counter
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* @v: A pointer to an opaque atomic variable
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*
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* Return: None
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*/
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static inline void qdf_atomic_add(int i, qdf_atomic_t *v)
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{
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__qdf_atomic_add(i, v);
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}
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/**
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* qdf_atomic_sub() - Subtract a value from an atomic variable
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* @i: the amount by which to decrease the atomic counter
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* @v: a pointer to an opaque atomic variable
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*
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* Return: none
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*/
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static inline void qdf_atomic_sub(int i, qdf_atomic_t *v)
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{
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__qdf_atomic_sub(i, v);
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}
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/**
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* qdf_atomic_dec_and_test() - decrement an atomic variable and check if the
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* new value is zero
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* @v: A pointer to an opaque atomic variable
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*
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* Return:
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* true (non-zero) if the new value is zero,
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* false (0) if the new value is non-zero
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*/
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static inline int32_t qdf_atomic_dec_and_test(qdf_atomic_t *v)
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{
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return __qdf_atomic_dec_and_test(v);
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}
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/**
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* qdf_atomic_set() - set a value to the value of an atomic variable
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* @v: A pointer to an opaque atomic variable
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* @i: required value to set
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*
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* Atomically sets the value of v to i
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* Return: None
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*/
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static inline void qdf_atomic_set(qdf_atomic_t *v, int i)
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{
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__qdf_atomic_set(v, i);
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}
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/**
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* qdf_atomic_inc_return() - return the incremented value of an atomic variable
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* @v: A pointer to an opaque atomic variable
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*
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* Return: The current value of the variable
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*/
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static inline int32_t qdf_atomic_inc_return(qdf_atomic_t *v)
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{
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return __qdf_atomic_inc_return(v);
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}
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#endif
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