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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/occ/firdata/ecc.H $ */
/* */
/* OpenPOWER OnChipController Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* 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 __PNOR_ECC_H
#define __PNOR_ECC_H
#include <native.h>
/** @file ecc.H
* @brief Interfaces for the P8 8-byte ECC algorithm.
*/
/** Status for the ECC removal function. */
typedef uint8_t eccStatus;
#define ECC_CLEAN 0x00 /*< No ECC Error was detected. */
#define ECC_CORRECTED 0x01 /*< ECC error detected and corrected. */
#define ECC_UNCORRECTABLE 0x02 /*< ECC error detected and uncorrectable. */
/** Bit field identifiers for syndrome calculations. */
typedef uint8_t eccBitfields;
#define ECC_GD 0xff /*< Good ECC matches. */
#define ECC_UE 0xfe /*< Uncorrectable. */
#define ECC_E0 71 /*< Error in ECC bit 0 */
#define ECC_E1 70 /*< Error in ECC bit 1 */
#define ECC_E2 69 /*< Error in ECC bit 2 */
#define ECC_E3 68 /*< Error in ECC bit 3 */
#define ECC_E4 67 /*< Error in ECC bit 4 */
#define ECC_E5 66 /*< Error in ECC bit 5 */
#define ECC_E6 65 /*< Error in ECC bit 6 */
#define ECC_E7 64 /*< Error in ECC bit 7 */
/** Inject ECC into a data stream.
*
* @param[in] i_src - Source data to create ECC on.
* @param[in] i_srcSz - Size in bytes of source data.
* @param[out] o_dst - Destination buffer of data+ECC.
*
* @note i_srcSz must be a multiple of 8 bytes.
*/
void injectECC(const uint8_t* i_src, size_t i_srcSz,
uint8_t* o_dst);
/** Remove ECC from a data stream.
*
* @param[in,out] io_src - Source data+ECC stream.
* @param[out] o_dst - Destination buffer for data only.
* @param[in] i_dstSz - Size in bytes of destination ((srcSz / 9) * 8).
*
* @note i_dstSz must be a multiple of 8 bytes.
*/
eccStatus removeECC(uint8_t* io_src,
uint8_t* o_dst, size_t i_dstSz);
#endif
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