diff options
Diffstat (limited to 'target/linux/generic-2.6/files/crypto/ocf/kirkwood/mvHal/common/mvStack.h')
-rw-r--r-- | target/linux/generic-2.6/files/crypto/ocf/kirkwood/mvHal/common/mvStack.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/files/crypto/ocf/kirkwood/mvHal/common/mvStack.h b/target/linux/generic-2.6/files/crypto/ocf/kirkwood/mvHal/common/mvStack.h new file mode 100644 index 000000000..e247e61c2 --- /dev/null +++ b/target/linux/generic-2.6/files/crypto/ocf/kirkwood/mvHal/common/mvStack.h @@ -0,0 +1,140 @@ +/******************************************************************************* +* Copyright 2003, Marvell Semiconductor Israel LTD. * +* THIS CODE CONTAINS CONFIDENTIAL INFORMATION OF MARVELL. * +* NO RIGHTS ARE GRANTED HEREIN UNDER ANY PATENT, MASK WORK RIGHT OR COPYRIGHT * +* OF MARVELL OR ANY THIRD PARTY. MARVELL RESERVES THE RIGHT AT ITS SOLE * +* DISCRETION TO REQUEST THAT THIS CODE BE IMMEDIATELY RETURNED TO MARVELL. * +* THIS CODE IS PROVIDED "AS IS". MARVELL MAKES NO WARRANTIES, EXPRESSED, * +* IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, COMPLETENESS OR PERFORMANCE. * +* * +* MARVELL COMPRISES MARVELL TECHNOLOGY GROUP LTD. (MTGL) AND ITS SUBSIDIARIES, * +* MARVELL INTERNATIONAL LTD. (MIL), MARVELL TECHNOLOGY, INC. (MTI), MARVELL * +* SEMICONDUCTOR, INC. (MSI), MARVELL ASIA PTE LTD. (MAPL), MARVELL JAPAN K.K. * +* (MJKK), MARVELL SEMICONDUCTOR ISRAEL LTD (MSIL). * +******************************************************************************** +* mvStack.h - Header File for : +* +* FILENAME: $Workfile: mvStack.h $ +* REVISION: $Revision: 1.1 $ +* LAST UPDATE: $Modtime: $ +* +* DESCRIPTION: +* This file defines simple Stack (LIFO) functionality. +* +*******************************************************************************/ + +#ifndef __mvStack_h__ +#define __mvStack_h__ + + +/* includes */ +#include "mvTypes.h" + + +/* defines */ + + +/* typedefs */ +/* Data structure describes general purpose Stack */ +typedef struct +{ + int stackIdx; + int numOfElements; + MV_U32* stackElements; +} MV_STACK; + +static INLINE MV_BOOL mvStackIsFull(void* stackHndl) +{ + MV_STACK* pStack = (MV_STACK*)stackHndl; + + if(pStack->stackIdx == pStack->numOfElements) + return MV_TRUE; + + return MV_FALSE; +} + +static INLINE MV_BOOL mvStackIsEmpty(void* stackHndl) +{ + MV_STACK* pStack = (MV_STACK*)stackHndl; + + if(pStack->stackIdx == 0) + return MV_TRUE; + + return MV_FALSE; +} +/* Purpose: Push new element to stack + * Inputs: + * - void* stackHndl - Stack handle as returned by "mvStackCreate()" function. + * - MV_U32 value - New element. + * + * Return: MV_STATUS MV_FULL - Failure. Stack is full. + * MV_OK - Success. Element is put to stack. + */ +static INLINE void mvStackPush(void* stackHndl, MV_U32 value) +{ + MV_STACK* pStack = (MV_STACK*)stackHndl; + +#ifdef MV_RT_DEBUG + if(pStack->stackIdx == pStack->numOfElements) + { + mvOsPrintf("mvStackPush: Stack is FULL\n"); + return; + } +#endif /* MV_RT_DEBUG */ + + pStack->stackElements[pStack->stackIdx] = value; + pStack->stackIdx++; +} + +/* Purpose: Pop element from the top of stack and copy it to "pValue" + * Inputs: + * - void* stackHndl - Stack handle as returned by "mvStackCreate()" function. + * - MV_U32 value - Element in the top of stack. + * + * Return: MV_STATUS MV_EMPTY - Failure. Stack is empty. + * MV_OK - Success. Element is removed from the stack and + * copied to pValue argument + */ +static INLINE MV_U32 mvStackPop(void* stackHndl) +{ + MV_STACK* pStack = (MV_STACK*)stackHndl; + +#ifdef MV_RT_DEBUG + if(pStack->stackIdx == 0) + { + mvOsPrintf("mvStackPop: Stack is EMPTY\n"); + return 0; + } +#endif /* MV_RT_DEBUG */ + + pStack->stackIdx--; + return pStack->stackElements[pStack->stackIdx]; +} + +static INLINE int mvStackIndex(void* stackHndl) +{ + MV_STACK* pStack = (MV_STACK*)stackHndl; + + return pStack->stackIdx; +} + +static INLINE int mvStackFreeElements(void* stackHndl) +{ + MV_STACK* pStack = (MV_STACK*)stackHndl; + + return (pStack->numOfElements - pStack->stackIdx); +} + +/* mvStack.h API list */ + +/* Create new Stack */ +void* mvStackCreate(int numOfElements); + +/* Delete existing stack */ +MV_STATUS mvStackDelete(void* stackHndl); + +/* Print status of the stack */ +void mvStackStatus(void* stackHndl, MV_BOOL isPrintElements); + +#endif /* __mvStack_h__ */ + |