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Diffstat (limited to 'cpu/ixp/npe/include/IxQMgrDispatcher_p.h')
-rw-r--r-- | cpu/ixp/npe/include/IxQMgrDispatcher_p.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/cpu/ixp/npe/include/IxQMgrDispatcher_p.h b/cpu/ixp/npe/include/IxQMgrDispatcher_p.h new file mode 100644 index 0000000000..71a3f8588e --- /dev/null +++ b/cpu/ixp/npe/include/IxQMgrDispatcher_p.h @@ -0,0 +1,106 @@ +/** + * @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*/ + + |