ixparityenaccmain.c

有关ARM开发板上的IXP400网络驱动程序的源码以。

} /* end of ixNpePEInternalCallback() function */

void
ixAqmPEInternalCallback (UINT32 irqNum, IxParityENAccPEIsr isrAddr)
{
    /* Output the AQM interrupt information for debug purpose */
    IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_USER, IX_OSAL_LOG_DEV_STDOUT,
        "ixAqmPEInternalCallback(): AQM interrupt detected\n"
        "IRQ #:%x ISR Address:%p\n", irqNum, (UINT32)isrAddr, 0,0,0,0);

    /* Signal the client application of the interrupt condition */
    ixParityENAccInvokeClientCallback(irqNum);
} /* end of ixAqmPEInternalCallback() function */

void 
ixEbcPEInternalCallback (UINT32 irqNum, IxParityENAccPEIsr isrAddr)
{
    /* Output the EBC interrupt information for debug purpose */
    IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_USER, IX_OSAL_LOG_DEV_STDOUT,
        "ixEbcPEInternalCallback(): EBCs interrupt detected\n"
        "IRQ #:%x ISR Address:%p\n", irqNum, (UINT32)isrAddr, 0,0,0,0);

    /* Signal the client application of the interrupt condition */
    ixParityENAccInvokeClientCallback(irqNum);
} /* end of ixEbcPEInternalCallback() function */

void 
ixPbcPEInternalCallback (UINT32 irqNum, IxParityENAccPEIsr isrAddr)
{
    /* Output the PBC interrupt information for debug purpose */
    IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_USER, IX_OSAL_LOG_DEV_STDOUT,
        "ixPbcPEInternalCallback(): PBC interrupt detected\n"
        "IRQ #:%x ISR Address:%p\n", irqNum, (UINT32)isrAddr, 0,0,0,0);

    /* Signal the client application of the interrupt condition */
    ixParityENAccInvokeClientCallback(irqNum);
} /* end of ixPbcPEInternalCallback() function */

void 
ixSwcpPEInternalCallback (UINT32 irqNum, IxParityENAccPEIsr isrAddr)
{
    /* Output the SWCP interrupt information for debug purpose */
    IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_USER, IX_OSAL_LOG_DEV_STDOUT, 
        "ixSwcpPEInternalCallback(): SWCP interrupt detected\n"
        "IRQ #:%x ISR Address:%p\n", irqNum, (UINT32)isrAddr, 0,0,0,0);

    /* Signal the client application of the interrupt condition */
    if (IX_PARITYENACC_ENABLE == ixParityENAccParityConfigStatus.swcpEnabled)
    {
        ixParityENAccInvokeClientCallback(irqNum);
    } /* end of if */
} /* end of ixSwcpPEInternalCallback() function */

/*
 * -------------------------------------------------------------------------- *
 *                            Public API definitions                          *
 * -------------------------------------------------------------------------- *
 */

PUBLIC IxParityENAccStatus
ixParityENAccInit (void)
{
    /* Initialised before? */
    if (TRUE == ixParityENAccInitStatus)
    {

        IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR,
            "Already Initialised\n", 0,0,0,0,0,0);

        return IX_PARITYENACC_ALREADY_INITIALISED;
    } /* end of if */

    /* Initialise sub modules */
    if (IX_SUCCESS != ixParityENAccConfigInit())
    {
        IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR,
            "Config Init Failed\n", 0,0,0,0,0,0);
        return IX_PARITYENACC_OPERATION_FAILED;
    } /* end of if */

    /* Initialise sub modules */
    if (IX_SUCCESS != ixParityENAccModulesInit())
    {
        IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR,
            "Modules Init Failed\n", 0,0,0,0,0,0);
        return IX_PARITYENACC_OPERATION_FAILED;
    } /* end of if */

    ixParityENAccInitStatus = TRUE;
    return IX_PARITYENACC_SUCCESS;
} /* end of ixParityENAccInit() function */


PUBLIC IxParityENAccStatus
ixParityENAccCallbackRegister (IxParityENAccCallback parityErrNfyCallback)
{
    IxParityENAccParityConfigStatus nullCfgStatus;

    /* Not initialised before? */
    if (FALSE == ixParityENAccInitStatus)
    {
        return IX_PARITYENACC_NOT_INITIALISED;
    } /* end of if */

    /* Verify the callback */
    if ((IxParityENAccCallback)NULL == parityErrNfyCallback)
    {
        return IX_PARITYENACC_INVALID_PARAMETERS;
    } /* end of if */

    /* Clear off the contents to zeros */
    memset((void *) &nullCfgStatus, 0, sizeof(IxParityENAccParityConfigStatus));

    /* 
     * Verify for the parity error detection disable state
     * after excluding the parity type.
     */

    nullCfgStatus.npeAConfig.parityOddEven = ixParityENAccParityConfigStatus.npeAConfig.parityOddEven;
    nullCfgStatus.npeBConfig.parityOddEven = ixParityENAccParityConfigStatus.npeBConfig.parityOddEven;
    nullCfgStatus.npeCConfig.parityOddEven = ixParityENAccParityConfigStatus.npeCConfig.parityOddEven;
    nullCfgStatus.ebcConfig.parityOddEven  = ixParityENAccParityConfigStatus.ebcConfig.parityOddEven;

    /* Parity detection disabled on all hardware modules? */
    if (0 != memcmp((const void *)&nullCfgStatus, 
                    (const void *)&ixParityENAccParityConfigStatus,
                     sizeof(ixParityENAccParityConfigStatus)))
    {
        return IX_PARITYENACC_OPERATION_FAILED;
    } /* end of if */

#ifndef NDEBUG
    if ((IxParityENAccCallback)NULL == ixParityENAccClientCb)
    {
        IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_USER, IX_OSAL_LOG_DEV_STDOUT,
              "ixParityENAccCallbackRegister(): New Callback:%p\n",
              (UINT32)parityErrNfyCallback, 0,0,0,0,0);
    }
    else
    {
        IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_USER, IX_OSAL_LOG_DEV_STDOUT,
              "ixParityENAccCallbackRegister(): Re-registered Callback:%p\n",
              (UINT32)parityErrNfyCallback, 0,0,0,0,0);
    } /* end of if */
#endif /* end of #ifndef NDEBUG */

    ixParityENAccClientCb = parityErrNfyCallback;
    return IX_PARITYENACC_SUCCESS;
} /* end of ixParityENAccCallbackRegister() function */


PUBLIC IxParityENAccStatus
ixParityENAccParityDetectionConfigure (
    const IxParityENAccHWParityConfig *hwParityConfig)
{
    /* Local Variables */
    IxParityENAccNpePEConfigOption ixNpePDCfg;
    IxParityENAccMcuPEConfigOption ixMcuPDCfg;
    IxParityENAccAqmPEConfigOption ixAqmPDCfg;
    IxParityENAccEbcPEConfigOption ixEbcPDCfg;
    IxParityENAccSwcpPEConfigOption ixSwcpPDCfg;

    BOOL ixPbcPrevInitTgtDisableCurrInitOrTgtEnable  = FALSE;
    BOOL ixPbcPrevInitTgtEnableCurrInitAndTgtDisable = FALSE;
    BOOL ixPbcPrevInitEnableCurrInitDisable = FALSE;
    BOOL ixPbcPrevTgtEnableCurrTgtDisable   = FALSE;
    IX_STATUS ixReturnStatus = IX_SUCCESS;

    /* Not initialised before? */
    if (FALSE == ixParityENAccInitStatus)
    {
        return IX_PARITYENACC_NOT_INITIALISED;
    } /* end of if */

    if ((IxParityENAccHWParityConfig *) NULL == hwParityConfig)
    {
        return IX_PARITYENACC_INVALID_PARAMETERS;
    } /* end of if */

    /*
     * Change in parity type on NPE-A/B/C?
     */
    if (((hwParityConfig->npeAConfig.ideEnabled != 
         ixParityENAccParityConfigStatus.npeAConfig.ideEnabled) ||
         ((hwParityConfig->npeAConfig.parityOddEven != 
         ixParityENAccParityConfigStatus.npeAConfig.parityOddEven) &&
          (hwParityConfig->npeAConfig.ideEnabled == IX_PARITYENACC_ENABLE))) &&
        (FALSE == IXP400_PARITYENACC_VAL_BIT_CHECK(ixParityENAccFusedModules,
                     IXP400_PARITYENACC_FUSED_MODULE_NPEA)))
    {
        ixNpePDCfg.ideEnabled    = hwParityConfig->npeAConfig.ideEnabled;
        ixNpePDCfg.parityOddEven = hwParityConfig->npeAConfig.parityOddEven;
            
        if (IX_SUCCESS == ixParityENAccNpePEDetectionConfigure(
                              IXP400_PARITYENACC_PE_NPE_A,ixNpePDCfg))
        {
            ixParityENAccParityConfigStatus.npeAConfig.ideEnabled = 
                hwParityConfig->npeAConfig.ideEnabled;
            ixParityENAccParityConfigStatus.npeAConfig.parityOddEven =
                hwParityConfig->npeAConfig.parityOddEven;
        } /* end/else of if */
#ifndef NDEBUG
        else
        {
            IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR,
                "ixParityENAccParityDetectionConfigure(): "
                "NPE-A Configuration failed\n",0,0,0,0,0,0);
            ixReturnStatus = IX_FAIL;
        } /* end of if */
#endif /* end of #ifndef NDEBUG */
    } /* end of if */

    if (((hwParityConfig->npeBConfig.ideEnabled != 
         ixParityENAccParityConfigStatus.npeBConfig.ideEnabled) ||
         ((hwParityConfig->npeBConfig.parityOddEven != 
         ixParityENAccParityConfigStatus.npeBConfig.parityOddEven) &&
          (hwParityConfig->npeBConfig.ideEnabled == IX_PARITYENACC_ENABLE))) &&
        (FALSE == IXP400_PARITYENACC_VAL_BIT_CHECK(ixParityENAccFusedModules,
                     IXP400_PARITYENACC_FUSED_MODULE_NPEB)))
    {
        ixNpePDCfg.ideEnabled    = hwParityConfig->npeBConfig.ideEnabled;
        ixNpePDCfg.parityOddEven = hwParityConfig->npeBConfig.parityOddEven;

        if (IX_SUCCESS == ixParityENAccNpePEDetectionConfigure(
                              IXP400_PARITYENACC_PE_NPE_B,ixNpePDCfg))
        {
            ixParityENAccParityConfigStatus.npeBConfig.ideEnabled = 
                hwParityConfig->npeBConfig.ideEnabled;
            ixParityENAccParityConfigStatus.npeBConfig.parityOddEven =
                hwParityConfig->npeBConfig.parityOddEven;
        } /* end/else of if */
#ifndef NDEBUG
        else
        {
            IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR, 
                "ixParityENAccParityDetectionConfigure(): "
                "NPE-B Configuration failed\n",0,0,0,0,0,0);
            ixReturnStatus = IX_FAIL;
        } /* end of if */
#endif /* end of #ifndef NDEBUG */
    } /* end of if */

    if (((hwParityConfig->npeCConfig.ideEnabled != 
         ixParityENAccParityConfigStatus.npeCConfig.ideEnabled) ||
         ((hwParityConfig->npeCConfig.parityOddEven != 
         ixParityENAccParityConfigStatus.npeCConfig.parityOddEven) &&
          (hwParityConfig->npeCConfig.ideEnabled == IX_PARITYENACC_ENABLE))) &&
        (FALSE == IXP400_PARITYENACC_VAL_BIT_CHECK(ixParityENAccFusedModules,
                     IXP400_PARITYENACC_FUSED_MODULE_NPEC)))
    {
        ixNpePDCfg.ideEnabled    = hwParityConfig->npeCConfig.ideEnabled;
        ixNpePDCfg.parityOddEven = hwParityConfig->npeCConfig.parityOddEven;

        if (IX_SUCCESS == ixParityENAccNpePEDetectionConfigure(
                              IXP400_PARITYENACC_PE_NPE_C, ixNpePDCfg))
        {
            ixParityENAccParityConfigStatus.npeCConfig.ideEnabled = 
                hwParityConfig->npeCConfig.ideEnabled;
            ixParityENAccParityConfigStatus.npeCConfig.parityOddEven =
                hwParityConfig->npeCConfig.parityOddEven;
        } /* else/end of if */
#ifndef NDEBUG
        else
        {
            IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR, 
                "ixParityENAccParityDetectionConfigure(): "
                "NPE-C Configuration failed\n",0,0,0,0,0,0);
            ixReturnStatus = IX_FAIL;
        } /* end of if */
#endif /* end of #ifndef NDEBUG */
    } /* end of if */
    
    /*
     * Change in configuration of MCU ECC? 
     */
    if (((hwParityConfig->mcuConfig.singlebitDetectEnabled != 
         ixParityENAccParityConfigStatus.mcuConfig.singlebitDetectEnabled) ||
         (hwParityConfig->mcuConfig.singlebitCorrectionEnabled !=
         ixParityENAccParityConfigStatus.mcuConfig.singlebitCorrectionEnabled) ||
         (hwParityConfig->mcuConfig.multibitDetectionEnabled !=
         ixParityENAccParityConfigStatus.mcuConfig.multibitDetectionEnabled)) &&
        (FALSE == IXP400_PARITYENACC_VAL_BIT_CHECK(ixParityENAccFusedModules,
                     IXP400_PARITYENACC_FUSED_MODULE_MCU_ECC)))
    {
        ixMcuPDCfg.singlebitDetectEnabled = 
            hwParityConfig->mcuConfig.singlebitDetectEnabled;
        ixMcuPDCfg.singlebitCorrectionEnabled =
            hwParityConfig->mcuConfig.singlebitCorrectionEnabled;
        ixMcuPDCfg.multibitDetectionEnabled = 
            hwParityConfig->mcuConfig.multibitDetectionEnabled;

        if (IX_SUCCESS == ixParityENAccMcuPEDetectionConfigure(ixMcuPDCfg))
        {
            ixParityENAccParityConfigStatus.mcuConfig.singlebitDetectEnabled =
                hwParityConfig->mcuConfig.singlebitDetectEnabled;
            ixParityENAccParityConfigStatus.mcuConfig.singlebitCorrectionEnabled =
                hwParityConfig->mcuConfig.singlebitCorrectionEnabled;
            ixParityENAccParityConfigStatus.mcuConfig.multibitDetectionEnabled =
                hwParityConfig->mcuConfig.multibitDetectionEnabled;
        } /* end/else of if */
#ifndef NDEBUG
        else
        {
            IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR,
                "ixParityENAccParityDetectionConfigure(): "
                "MCU ECC Configuration failed\n",0,0,0,0,0,0);
            ixReturnStatus = IX_FAIL;
        } /* end of if */
#endif /* end of #ifndef NDEBUG */
    } /* end of if */

    /*
     * Change in configuration of SWCP?
     */
    if (hwParityConfig->swcpEnabled != ixParityENAccParityConfigStatus.swcpEnabled)
    {
        ixSwcpPDCfg = hwParityConfig->swcpEnabled;
        if (IX_SUCCESS == ixParityENAccSwcpPEDetectionConfigure(ixSwcpPDCfg))
        {
            ixParityENAccParityConfigStatus.swcpEnabled = hwParityConfig->swcpEnabled;
        } /* end/else of if */
#ifndef NDEBUG
        else
        {