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![Wolfgang Denk](/assets/img/avatar_default.png)
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini Don't remove some copyrights by accident] Signed-off-by: Tom Rini <trini@ti.com>
223 lines
5.7 KiB
C
223 lines
5.7 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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* SPDX-License-Identifier: BSD-3-Clause
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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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