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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/ibscom/ibscom.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2014 */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __IBSCOM_H
#define __IBSCOM_H
/** @file ibscom.H
* @brief Provides the interfaces to perform IBSCOM
*/
#include <stdint.h>
/**
* @brief Type definition for IBSCOM address
*/
typedef uint64_t IBScomBase_t;
namespace IBSCOM
{
const size_t IBSCOM_BUFFER_SIZE = 8; // 8 bytes
/**
* @brief Performs an inband scom access operation
* This function performs an inband scom access operation. It follows a
* pre-defined prototype functions in order to be registered with the
* device-driver framework.
*
* @param[in] i_opType Operation type, see DeviceFW::OperationType
* in driverif.H
* @param[in] i_target inband scom target
* @param[in] io_buffer Read: Pointer to output data storage
* Write: Pointer to input data storage
* @param[in] io_buflen Input: size of io_buffer (in bytes)
* Output:
* Read: Size of output data
* Write: Size of data written
* @param[in] i_accessType DeviceFW::AccessType enum (usrif.H)
* @param[in] i_args This is an argument list for DD framework.
* In this function, there's only one argument,
* which is the MMIO inband scom address
* @return errlHndl_t
*/
errlHndl_t ibscomPerformOp(DeviceFW::OperationType i_opType,
TARGETING::Target* i_target,
void* io_buffer,
size_t& io_buflen,
int64_t i_accessType,
va_list i_args);
/**
* Bit definition for MBSIBERR0
*/
struct MBSIBERRO_Reg_t
{
union
{
uint64_t data;
struct
{
uint64_t addr:32; //MBSIBERR0Q_IB_HOST_ADDRESS
uint64_t errvalid:1; //MBSIBERR0Q_IB_HOST_ERROR_VALID
uint64_t piberr:3; //MBSIBERR0Q_IB_HOST_ERROR_STATUS
uint64_t iswrite:1; //MBSIBERR0Q_IB_HOST_WRITE_NOT_READ
uint64_t reserved:27;
};
};
};
};
#endif
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