ixparityenaccmain.c

有关ARM开发板上的IXP400网络驱动程序的源码以。

                "ixParityENAccParityDetectionConfigure(): "
                "EBC Configuration of CS6 failed\n",0,0,0,0,0,0);
            ixReturnStatus = IX_FAIL;
        } /* end of if */
#endif /* end of #ifndef NDEBUG */
    } /* end of if */

    if ((hwParityConfig->ebcConfig.ebcCs7Enabled != 
        ixParityENAccParityConfigStatus.ebcConfig.ebcCs7Enabled) ||
        ((hwParityConfig->ebcConfig.parityOddEven != 
          ixParityENAccParityConfigStatus.ebcConfig.parityOddEven) &&
         (hwParityConfig->ebcConfig.ebcCs7Enabled == IX_PARITYENACC_ENABLE)))
    {
        ixEbcPDCfg.ebcCsExtSource = IXP400_PARITYENACC_PE_EBC_CS;
        ixEbcPDCfg.ebcInOrOutbound.ebcCsEnabled = 
            hwParityConfig->ebcConfig.ebcCs7Enabled;
        ixEbcPDCfg.ebcCsId = IXP400_PARITYENACC_PE_EBC_CHIPSEL7;
        ixEbcPDCfg.parityOddEven = hwParityConfig->ebcConfig.parityOddEven;
    
        if (IX_SUCCESS == ixParityENAccEbcPEDetectionConfigure(ixEbcPDCfg))
        {
            ixParityENAccParityConfigStatus.ebcConfig.ebcCs7Enabled =
                hwParityConfig->ebcConfig.ebcCs7Enabled;
            ixParityENAccParityConfigStatus.ebcConfig.parityOddEven = 
                hwParityConfig->ebcConfig.parityOddEven;
        } /* else/end of if */
#ifndef NDEBUG
        else
        {
            IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR,
                "ixParityENAccParityDetectionConfigure(): "
                "EBC Configuration of CS7 failed\n",0,0,0,0,0,0);
            ixReturnStatus = IX_FAIL;
        } /* end of if */
#endif /* end of #ifndef NDEBUG */
    } /* end of if */

    if ((hwParityConfig->ebcConfig.ebcExtMstEnabled != 
         ixParityENAccParityConfigStatus.ebcConfig.ebcExtMstEnabled) ||
        ((hwParityConfig->ebcConfig.parityOddEven != 
          ixParityENAccParityConfigStatus.ebcConfig.parityOddEven) &&
         (hwParityConfig->ebcConfig.ebcExtMstEnabled == IX_PARITYENACC_ENABLE)))
    {
        ixEbcPDCfg.ebcCsExtSource = IXP400_PARITYENACC_PE_EBC_EXTMST;
        ixEbcPDCfg.ebcInOrOutbound.ebcExtMstEnabled = 
            hwParityConfig->ebcConfig.ebcExtMstEnabled;
        ixEbcPDCfg.parityOddEven = hwParityConfig->ebcConfig.parityOddEven;
        
        if (IX_SUCCESS == ixParityENAccEbcPEDetectionConfigure(ixEbcPDCfg))
        {
            ixParityENAccParityConfigStatus.ebcConfig.ebcExtMstEnabled =
                hwParityConfig->ebcConfig.ebcExtMstEnabled;
            ixParityENAccParityConfigStatus.ebcConfig.parityOddEven = 
                hwParityConfig->ebcConfig.parityOddEven;
        } /* else/end of if */
#ifndef NDEBUG
        else
        {
            IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR, 
                "ixParityENAccParityDetectionConfigure(): "
                "EBC Configuration of EXT failed\n",0,0,0,0,0,0);
            ixReturnStatus = IX_FAIL;
        } /* end of if */
#endif /* end of #ifndef NDEBUG */
    } /* end of if */

    if (IX_FAIL == ixReturnStatus)
    {
        IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR, 
            "ixParityENAccParityDetectionConfigure(): "
            "One/More of hardware block's Configuration failed\n", 0,0,0,0,0,0);
    } /* end of if */

    return IX_PARITYENACC_SUCCESS;
} /* end of ixParityENAccParityDetectionConfigure() function */

PUBLIC IxParityENAccStatus
ixParityENAccParityDetectionQuery(
    IxParityENAccHWParityConfig * const hwParityConfig)
{
    /* Not initialised before? */
    if (FALSE == ixParityENAccInitStatus)
    {
        return IX_PARITYENACC_NOT_INITIALISED;
    } /* end of if */

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

    /* Return the current config status of all hardware blocks */
    memcpy((void *)hwParityConfig, (void *)&ixParityENAccParityConfigStatus,
        sizeof(IxParityENAccHWParityConfig));

    return IX_PARITYENACC_SUCCESS;
} /* end of ixParityENAccParityDetectionQuery() function */

PUBLIC IxParityENAccStatus
ixParityENAccParityErrorContextGet(
    IxParityENAccParityErrorContextMessage * const pecMessage)
{
    /* Local Variables */
    IxParityENAccIcParityInterruptStatus ixIcParityInterruptStatus =
    { FALSE,FALSE,FALSE,FALSE,FALSE,FALSE,FALSE };
    IxParityENAccMcuPEParityErrorContext  ixMcuPECMsg;
    IxParityENAccNpePEParityErrorContext  ixNpePECMsg;
    IxParityENAccSwcpPEParityErrorContext ixSwcpPECMsg;
    IxParityENAccAqmPEParityErrorContext  ixAqmPECMsg;
    IxParityENAccPbcPEParityErrorContext  ixPbcPECMsg;
    IxParityENAccEbcPEParityErrorContext  ixEbcPECMsg;
    IxParityENAccPmuEAHBErrorTransaction  ixPmuAhbTransactionStatus;

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

    if ((IxParityENAccParityErrorContextMessage *) NULL == pecMessage)
    {
        return IX_PARITYENACC_INVALID_PARAMETERS;
    } /* end of if */

    /* Get the pending parity interrupts status */
    if (IX_SUCCESS != ixParityENAccIcInterruptStatusGet(
                          &ixIcParityInterruptStatus))
    {
        return IX_PARITYENACC_OPERATION_FAILED;
    } /* end of if */

    /*
     * Process interrupts as per the following priority
     *
     * 0 - MCU   (Multi, Single-bit, Overflow in that order)
     * 1 - NPE-A (IMem, DMem and Ext Error in that order)
     * 2 - NPE-B (IMem, DMem and Ext Error in that order)
     * 3 - NPE-C (IMem, DMem and Ext Error in that order)
     * 4 - SWCP
     * 5 - QM
     * 6 - PCI   (Initiator Rd, Target Wr and Initiator Wr in that order)
     * 7 - EXP   (Inbound Wr, Outbound Rd in that order)
     */
    if (TRUE == ixIcParityInterruptStatus.mcuParityInterrupt)
    {
        if (IX_SUCCESS != ixParityENAccMcuPEParityErrorContextFetch(&ixMcuPECMsg))
        {
            return IX_PARITYENACC_OPERATION_FAILED;
        } /* end of if */

        /* No Parity! Might have been cleared by data/prefetch abort 
         * Exception Handler before this function is invoked
         */
        if (IXP400_PARITYENACC_PE_MCU_NOPARITY == ixMcuPECMsg.mcuParitySource)
        {
            return IX_PARITYENACC_NO_PARITY;
        } /* end of if */

        pecMessage->pecParitySource = ixMcuPECMsg.mcuParitySource;
        pecMessage->pecAccessType   = ixMcuPECMsg.mcuAccessType;
        pecMessage->pecRequester    = ixMcuPECMsg.mcuRequester;
        pecMessage->pecAddress      = ixMcuPECMsg.mcuParityAddress;
        pecMessage->pecData         = ixMcuPECMsg.mcuParityData;

        /* Get Last Erroneous AHB Transaction Master & Slave details */
        if (IX_SUCCESS != ixParityENAccPmuEAHBTransactionStatus (
                              &ixPmuAhbTransactionStatus))
        {
            return IX_PARITYENACC_OPERATION_FAILED;
        } /* end of if */

        pecMessage->ahbErrorTran.ahbErrorMaster = ixPmuAhbTransactionStatus.ahbErrorMaster;
        pecMessage->ahbErrorTran.ahbErrorSlave = ixPmuAhbTransactionStatus.ahbErrorSlave;

        /* Increment statistics */
        switch (pecMessage->pecParitySource)
        {
            case IX_PARITYENACC_MCU_SBIT:
            {
                ixParityENAccPEParityErrorStats.mcuStats.parityErrorsSingleBit++;
                break;
            } /* end of case MCU SBIT */
            case IX_PARITYENACC_MCU_MBIT:
            {
                ixParityENAccPEParityErrorStats.mcuStats.parityErrorsMultiBit++;
                break;
            } /* end of case MCU MBIT */
            case IX_PARITYENACC_MCU_OVERFLOW:
            {
                ixParityENAccPEParityErrorStats.mcuStats.parityErrorsOverflow++;
                break;
            } /* end of case MCU OVERFLOW */
            default:
            {
                IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR, 
                    "ixParityENAccParityErrorContextGet(): "
                    "Invalid Parity Source: %0x\n", pecMessage->pecParitySource, 0,0,0,0,0);
                return IX_PARITYENACC_OPERATION_FAILED;
          } /* end of case default */
        } /* end of switch */

        return IX_PARITYENACC_SUCCESS;
    } /* end of if (TRUE == ixIcParityInterruptStatus.mcuParityInterrupt) */

    if (TRUE == ixIcParityInterruptStatus.npeAParityInterrupt)
    {
        if (IX_SUCCESS != ixParityENAccNpePEParityErrorContextFetch (
                              IXP400_PARITYENACC_PE_NPE_A, &ixNpePECMsg))
        {
            return IX_PARITYENACC_OPERATION_FAILED;
        } /* end of if */
        
        pecMessage->pecParitySource = 
            (IXP400_PARITYENACC_PE_NPE_IMEM == ixNpePECMsg.npeParitySource) ?
                IX_PARITYENACC_NPE_A_IMEM :
                (IXP400_PARITYENACC_PE_NPE_DMEM  == ixNpePECMsg.npeParitySource) ?
                     IX_PARITYENACC_NPE_A_DMEM : IX_PARITYENACC_NPE_A_EXT;

        pecMessage->pecAccessType = ixNpePECMsg.npeAccessType;

        /* Increment statistics */
        switch (pecMessage->pecParitySource)
        {
            case IX_PARITYENACC_NPE_A_IMEM:
            {
                ixParityENAccPEParityErrorStats.npeStats.parityErrorsIMem++;
                break;
            } /* end of case NPE - A IMEM */
            case IX_PARITYENACC_NPE_A_DMEM:
            {
                ixParityENAccPEParityErrorStats.npeStats.parityErrorsDMem++;
                break;
            } /* end of case NPE - A DMEM */
            case IX_PARITYENACC_NPE_A_EXT:
            {
                ixParityENAccPEParityErrorStats.npeStats.parityErrorsExternal++;
                break;
            } /* end of case NPE - A EXT */
            default:
            {
                IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR, 
                    "ixParityENAccParityErrorContextGet(): "
                    "Invalid Parity Source: %0x\n", pecMessage->pecParitySource, 0,0,0,0,0);
                return IX_PARITYENACC_OPERATION_FAILED;
          } /* end of case default */
        } /* end of switch */

        return IX_PARITYENACC_SUCCESS;
    } /* end of if (TRUE == ixIcParityInterruptStatus.npeAParityInterrupt) */

    if (TRUE == ixIcParityInterruptStatus.npeBParityInterrupt)
    {
        if (IX_SUCCESS != ixParityENAccNpePEParityErrorContextFetch (
                              IXP400_PARITYENACC_PE_NPE_B, &ixNpePECMsg))
        {
            return IX_PARITYENACC_OPERATION_FAILED;
        } /* end of if */

        pecMessage->pecParitySource = 
            (IXP400_PARITYENACC_PE_NPE_IMEM == ixNpePECMsg.npeParitySource) ?
                IX_PARITYENACC_NPE_B_IMEM :
                (IXP400_PARITYENACC_PE_NPE_DMEM  == ixNpePECMsg.npeParitySource) ?
                     IX_PARITYENACC_NPE_B_DMEM : IX_PARITYENACC_NPE_B_EXT;

        pecMessage->pecAccessType = ixNpePECMsg.npeAccessType;

        /* Increment statistics */
        switch (pecMessage->pecParitySource)
        {
            case IX_PARITYENACC_NPE_B_IMEM:
            {
                ixParityENAccPEParityErrorStats.npeStats.parityErrorsIMem++;
                break;
            } /* end of case NPE - B IMEM */
            case IX_PARITYENACC_NPE_B_DMEM:
            {
                ixParityENAccPEParityErrorStats.npeStats.parityErrorsDMem++;
                break;
            } /* end of case NPE - B DMEM */
            case IX_PARITYENACC_NPE_B_EXT:
            {
                ixParityENAccPEParityErrorStats.npeStats.parityErrorsExternal++;
                break;
            } /* end of case NPE - B EXT */
            default:
            {
                IXP400_PARITYENACC_MSGLOG(IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDERR, 
                    "ixParityENAccParityErrorContextGet(): "
                    "Invalid Parity Source: %0x\n", pecMessage->pecParitySource, 0,0,0,0,0);
                return IX_PARITYENACC_OPERATION_FAILED;
          } /* end of case default */
        } /* end of switch */

        return IX_PARITYENACC_SUCCESS;
    } /* end of if (TRUE == ixIcParityInterruptStatus.npeBParityInterrupt) */

    if (TRUE == ixIcParityInterruptStatus.npeCParityInterrupt)
    {
        if (IX_SUCCESS != ixParityENAccNpePEParityErrorContextFetch (
                              IXP400_PARITYENACC_PE_NPE_C, &ixNpePECMsg))
        {
            return IX_PARITYENACC_OPERATION_FAILED;
        } /* end of if */

        pecMessage->pecParitySource = 
            (IXP400_PARITYENACC_PE_NPE_IMEM == ixNpePECMsg.npeParitySource) ?
                IX_PARITYENACC_NPE_C_IMEM :
                (IXP400_PARITYENACC_PE_NPE_DMEM  == ixNpePECMsg.npeParitySource) ?
                     IX_PARITYENACC_NPE_C_DMEM : IX_PARITYENACC_NPE_C_EXT;

        pecMessage->pecAccessType = ixNpePECMsg.npeAccessType;

        /* Increment statistics */
        switch (pecMessage->pecParitySource)
        {
            case IX_PARITYENACC_NPE_C_IMEM:
            {
                ixParityENAccPEParityErrorStats.npeStats.parityErrorsIMem++;
                break;
            } /* end of case NPE - C IMEM */
            case IX_PARITYENACC_NPE_C_DMEM:
            {
                ixParityENAccPEParityErrorStats.npeStats.parityErrorsDMem++;