u-boot/cpu/ixp/npe/include/IxQMgrDispatcher_p.h

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/**
* @file IxQMgrDispatcher_p.h
*
* @author Intel Corporation
* @date 07-Feb-2002
*
* @brief This file contains the internal functions for dispatcher
*
*
* @par
* IXP400 SW Release version 2.0
*
* -- Copyright Notice --
*
* @par
* Copyright 2001-2005, Intel Corporation.
* All rights reserved.
*
* @par
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the 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.
*
* @par
* 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.
*
* @par
* -- End of Copyright Notice --
*/
#ifndef IXQMGRDISPATCHER_P_H
#define IXQMGRDISPATCHER_P_H
/*
* User defined include files
*/
#include "IxQMgr.h"
/*
* This structure defines the statistic data for a queue
*/
typedef struct
{
unsigned callbackCnt; /* Call count of callback */
unsigned priorityChangeCnt; /* Priority change count */
unsigned intNoCallbackCnt; /* Interrupt fired but no callback set count */
unsigned intLostCallbackCnt; /* Interrupt lost and detected ; SCR541 */
BOOL notificationEnabled; /* Interrupt enabled for this queue */
IxQMgrSourceId srcSel; /* interrupt source */
unsigned enableCount; /* num times notif enabled by LLP */
unsigned disableCount; /* num of times notif disabled by LLP */
} IxQMgrDispatcherQStats;
/*
* This structure defines statistic data for the disatcher
*/
typedef struct
{
unsigned loopRunCnt; /* ixQMgrDispatcherLoopRun count */
IxQMgrDispatcherQStats queueStats[IX_QMGR_MAX_NUM_QUEUES];
} IxQMgrDispatcherStats;
/*
* Initialise the dispatcher component
*/
void
ixQMgrDispatcherInit (void);
/*
* Get the dispatcher statistics
*/
IxQMgrDispatcherStats*
ixQMgrDispatcherStatsGet (void);
/**
* Retrieve the number of leading zero bits starting from the MSB
* This function is implemented as an (extremely fast) asm routine
* for XSCALE processor (see clz instruction) and as a (slower) C
* function for other systems.
*/
unsigned int
ixQMgrCountLeadingZeros(unsigned int value);
#endif/*IXQMGRDISPATCHER_P_H*/