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https://github.com/AsahiLinux/u-boot
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ba94a1bba3
- Add IXP4xx NPE ethernet MAC support - Add support for Intel IXDPG425 board - Add support for Prodrive PDNB3 board - Add IRQ support Patch by Stefan Roese, 23 May 2006 [This patch does not include cpu/ixp/npe/IxNpeMicrocode.c which still sufferes from licensing issues. Blame Intel.]
246 lines
7.1 KiB
C
246 lines
7.1 KiB
C
/**
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* @file IxNpeMhUnsolicitedCbMgr.c
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*
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* @author Intel Corporation
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* @date 18 Jan 2002
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*
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* @brief This file contains the implementation of the private API for
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* the Unsolicited Callback Manager module.
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*
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*
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* @par
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* IXP400 SW Release version 2.0
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*
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* -- Copyright Notice --
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*
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* @par
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* Copyright 2001-2005, Intel Corporation.
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* All rights reserved.
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*
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* @par
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* @par
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @par
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* -- End of Copyright Notice --
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*/
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/*
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* Put the system defined include files required.
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*/
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/*
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* Put the user defined include files required.
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*/
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#include "IxOsal.h"
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#include "IxNpeMhMacros_p.h"
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#include "IxNpeMhUnsolicitedCbMgr_p.h"
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/*
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* #defines and macros used in this file.
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*/
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/*
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* Typedefs whose scope is limited to this file.
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*/
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/**
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* @struct IxNpeMhUnsolicitedCallbackTable
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*
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* @brief This structure is used to maintain the list of registered
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* callbacks. One entry exists for each message ID, and a NULL entry will
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* signify that no callback has been registered for that ID.
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*/
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typedef struct
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{
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/** array of entries */
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IxNpeMhCallback entries[IX_NPEMH_MAX_MESSAGE_ID + 1];
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} IxNpeMhUnsolicitedCallbackTable;
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/**
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* @struct IxNpeMhUnsolicitedCbMgrStats
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*
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* @brief This structure is used to maintain statistics for the Unsolicited
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* Callback Manager module.
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*/
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typedef struct
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{
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UINT32 saves; /**< callback table saves */
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UINT32 overwrites; /**< callback table overwrites */
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} IxNpeMhUnsolicitedCbMgrStats;
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/*
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* Variable declarations global to this file only. Externs are followed by
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* static variables.
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*/
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PRIVATE IxNpeMhUnsolicitedCallbackTable
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ixNpeMhUnsolicitedCallbackTables[IX_NPEMH_NUM_NPES];
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PRIVATE IxNpeMhUnsolicitedCbMgrStats
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ixNpeMhUnsolicitedCbMgrStats[IX_NPEMH_NUM_NPES];
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/*
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* Extern function prototypes.
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*/
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/*
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* Static function prototypes.
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*/
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/*
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* Function definition: ixNpeMhUnsolicitedCbMgrInitialize
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*/
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void ixNpeMhUnsolicitedCbMgrInitialize (void)
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{
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IxNpeMhNpeId npeId = 0;
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IxNpeMhUnsolicitedCallbackTable *table = NULL;
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IxNpeMhMessageId messageId = 0;
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IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering "
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"ixNpeMhUnsolicitedCbMgrInitialize\n");
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/* for each NPE ... */
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for (npeId = 0; npeId < IX_NPEMH_NUM_NPES; npeId++)
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{
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/* initialise a pointer to the table for convenience */
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table = &ixNpeMhUnsolicitedCallbackTables[npeId];
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/* for each message ID ... */
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for (messageId = IX_NPEMH_MIN_MESSAGE_ID;
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messageId <= IX_NPEMH_MAX_MESSAGE_ID; messageId++)
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{
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/* initialise the callback for this message ID to NULL */
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table->entries[messageId] = NULL;
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}
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}
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IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting "
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"ixNpeMhUnsolicitedCbMgrInitialize\n");
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}
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/*
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* Function definition: ixNpeMhUnsolicitedCbMgrCallbackSave
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*/
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void ixNpeMhUnsolicitedCbMgrCallbackSave (
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IxNpeMhNpeId npeId,
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IxNpeMhMessageId unsolicitedMessageId,
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IxNpeMhCallback unsolicitedCallback)
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{
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IxNpeMhUnsolicitedCallbackTable *table = NULL;
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/* initialise a pointer to the table for convenience */
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table = &ixNpeMhUnsolicitedCallbackTables[npeId];
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IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering "
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"ixNpeMhUnsolicitedCbMgrCallbackSave\n");
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/* update statistical info */
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ixNpeMhUnsolicitedCbMgrStats[npeId].saves++;
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/* check if there is a callback already registered for this NPE and */
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/* message ID */
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if (table->entries[unsolicitedMessageId] != NULL)
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{
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/* if we are overwriting an existing callback */
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if (unsolicitedCallback != NULL)
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{
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IX_NPEMH_TRACE2 (IX_NPEMH_DEBUG, "Unsolicited callback "
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"overwriting existing callback for NPE ID %d "
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"message ID 0x%02X\n", npeId, unsolicitedMessageId);
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}
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else /* if we are clearing an existing callback */
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{
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IX_NPEMH_TRACE2 (IX_NPEMH_DEBUG, "NULL unsolicited callback "
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"clearing existing callback for NPE ID %d "
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"message ID 0x%02X\n", npeId, unsolicitedMessageId);
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}
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/* update statistical info */
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ixNpeMhUnsolicitedCbMgrStats[npeId].overwrites++;
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}
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/* save the callback into the table */
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table->entries[unsolicitedMessageId] = unsolicitedCallback;
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IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting "
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"ixNpeMhUnsolicitedCbMgrCallbackSave\n");
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}
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/*
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* Function definition: ixNpeMhUnsolicitedCbMgrCallbackRetrieve
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*/
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void ixNpeMhUnsolicitedCbMgrCallbackRetrieve (
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IxNpeMhNpeId npeId,
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IxNpeMhMessageId unsolicitedMessageId,
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IxNpeMhCallback *unsolicitedCallback)
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{
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IxNpeMhUnsolicitedCallbackTable *table = NULL;
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/* initialise a pointer to the table for convenience */
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table = &ixNpeMhUnsolicitedCallbackTables[npeId];
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/* retrieve the callback from the table */
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*unsolicitedCallback = table->entries[unsolicitedMessageId];
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}
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/*
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* Function definition: ixNpeMhUnsolicitedCbMgrShow
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*/
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void ixNpeMhUnsolicitedCbMgrShow (
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IxNpeMhNpeId npeId)
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{
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/* show the unsolicited callback table save counter */
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IX_NPEMH_SHOW ("Unsolicited callback table saves",
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ixNpeMhUnsolicitedCbMgrStats[npeId].saves);
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/* show the unsolicited callback table overwrite counter */
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IX_NPEMH_SHOW ("Unsolicited callback table overwrites",
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ixNpeMhUnsolicitedCbMgrStats[npeId].overwrites);
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}
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/*
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* Function definition: ixNpeMhUnsolicitedCbMgrShowReset
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*/
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void ixNpeMhUnsolicitedCbMgrShowReset (
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IxNpeMhNpeId npeId)
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{
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/* reset the unsolicited callback table save counter */
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ixNpeMhUnsolicitedCbMgrStats[npeId].saves = 0;
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/* reset the unsolicited callback table overwrite counter */
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ixNpeMhUnsolicitedCbMgrStats[npeId].overwrites = 0;
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}
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