rename target/linux/generic-2.6 to generic

[15.05/openwrt.git] / target / linux / generic / files / crypto / ocf / kirkwood / mvHal / common / mvStack.h

diff --git a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/common/mvStack.h b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/common/mvStack.h
new file mode 100644 (file)
index 0000000..e247e61
--- /dev/null
+++ b/target/linux/generic/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__ */
+