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Diffstat (limited to 'Acceleration/library/icp_utils/OSAL/common/os/linux/src/core/IxOsalOsAtomic.c')
| -rw-r--r-- | Acceleration/library/icp_utils/OSAL/common/os/linux/src/core/IxOsalOsAtomic.c | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/Acceleration/library/icp_utils/OSAL/common/os/linux/src/core/IxOsalOsAtomic.c b/Acceleration/library/icp_utils/OSAL/common/os/linux/src/core/IxOsalOsAtomic.c new file mode 100644 index 0000000..674d375 --- /dev/null +++ b/Acceleration/library/icp_utils/OSAL/common/os/linux/src/core/IxOsalOsAtomic.c @@ -0,0 +1,271 @@ +/** + * @file IxOsalOsAtomic.c (linux) + * + * @brief OS-specific Atomic API's implementation. + * + * + * @par + * 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) 2007,2008,2009 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. + * + * Contact Information: + * Intel Corporation + * + * BSD LICENSE + * + * Copyright(c) 2007,2008,2009 Intel Corporation. All rights reserved. + * 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. + * + * + * + */ +#include "IxOsal.h" +#include <asm/atomic.h> + + + +/** + * @ingroup IxOsal + * + * @brief Atomically read the value of atomic variable + * + * @param atomicVar (in) - atomic variable + * + * Atomically reads the value of atomicVar to the outValue + * + * @li Reentrant: yes + * @li IRQ safe: yes + * + * @return atomicVar value + */ + +PUBLIC UINT32 +ixOsalAtomicGet(IxOsalAtomic *atomicVar) +{ + return (( UINT32 )atomic_read( atomicVar )); +} + +/** + * @ingroup IxOsal + * + * @brief Atomically set the value of atomic variable + * + * @param inValue (in) - atomic variable to be set equal to inValue + * + * @param atomicVar (out) - atomic variable + * + * Atomically sets the value of IxOsalAtomicVar to the value given + * + * @li Reentrant: yes + * @li IRQ safe: yes + * + * @return none + */ + +PUBLIC void +ixOsalAtomicSet(UINT32 inValue, IxOsalAtomic *atomicVar) +{ + atomic_set(atomicVar,inValue); +} + +/** + * @ingroup IxOsal + * + * @brief add the value to atomic variable + * + * @param inValue (in) - value to be added to the atomic variable + * + * @param atomicVar (in & out) - atomic variable + * + * Atomically adds the value of inValue to the IxOsalAtomicVar + * + * @li Reentrant: yes + * @li IRQ safe: yes + * + * @return none + */ + +PUBLIC void +ixOsalAtomicAdd(UINT32 inValue, IxOsalAtomic *atomicVar) +{ + atomic_add((int)inValue, atomicVar); +} + +/** + * @ingroup IxOsal + * + * @brief subtract the value from atomic variable + * + * @param inValue (in) - atomic variable value to be subtracted by value + * + * @param atomicVar (in & out) - atomic variable + * + * Atomically subtracts the value of IxOsalAtomicVar by inValue + * + * @li Reentrant: yes + * @li IRQ safe: yes + * + * @return none + */ + +PUBLIC void +ixOsalAtomicSub(UINT32 inValue, IxOsalAtomic *atomicVar) +{ + atomic_sub((int)inValue, atomicVar); +} + +/** + * @ingroup IxOsal + * + * @brief subtract the value from atomic variable and test result + * + * @param inValue (in) - value to be subtracted from the atomic variable + * + * @param atomicVar (in & out) - atomic variable + * + * Atomically subtracts the IxOsalAtomicVar value by inValue and + * test the result. + * + * @li Reentrant: yes + * @li IRQ safe: yes + * + * @return TRUE if the result is zero or FALSE for other cases. + */ + +PUBLIC IX_STATUS +ixOsalAtomicSubAndTest(UINT32 inValue, IxOsalAtomic *atomicVar) +{ + return (IX_STATUS)(atomic_sub_and_test((int)inValue, atomicVar)); +} + +/** + * @ingroup IxOsal + * + * @brief increment value of atomic variable by 1 + * + * @param atomicVar (in & out) - atomic variable + * + * Atomically increments the value of IxOsalAtomicVar by 1. + * + * @li Reentrant: yes + * @li IRQ safe: yes + * + * @return none + */ + +PUBLIC void +ixOsalAtomicInc(IxOsalAtomic *atomicVar) +{ + atomic_inc(atomicVar); +} + +/** + * @ingroup IxOsal + * + * @brief decrement value of atomic variable by 1 + * + * @param atomicVar (out) - atomic variable + * + * Atomically decrements the value of IxOsalAtomicVar by 1. + * + * @li Reentrant: yes + * @li IRQ safe: yes + * + * @return none + */ + +PUBLIC void +ixOsalAtomicDec(IxOsalAtomic *atomicVar) +{ + atomic_dec(atomicVar); +} + +/** + * @ingroup IxOsal + * + * @brief decrement atomic variable value by 1 and test result + * + * @param atomicVar (in & out) - atomic variable + * + * Atomically decrements the value of IxOsalAtomicVar by 1 and test + * result for zero. + * + * @li Reentrant: yes + * @li IRQ safe: yes + * + * @return TRUE if the result is zero or FALSE otherwise + */ + +PUBLIC IX_STATUS +ixOsalAtomicDecAndTest(IxOsalAtomic *atomicVar) +{ + return (IX_STATUS)(atomic_dec_and_test(atomicVar)); +} + +/** + * @ingroup IxOsal + * + * @brief increment atomic variable by 1 and test result + * + * @param atomicVar (in & out) - atomic variable + * + * Atomically increments the value of IxOsalAtomicVar by 1 and test + * result for zero. + * + * @li Reentrant: yes + * @li IRQ safe: yes + * + * @return TRUE if the result is zero or FALSE otherwise + */ + +PUBLIC IX_STATUS +ixOsalAtomicIncAndTest(IxOsalAtomic *atomicVar) +{ + return (IX_STATUS)(atomic_inc_and_test(atomicVar)); +} + |