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 /*  IBM_PROLOG_BEGIN_TAG
 *  This is an automatically generated prolog.
 *
 *  $Source: src/include/usr/hwpf/hwp/getMvpdRing.H $
 *
 *  IBM CONFIDENTIAL
 *
 *  COPYRIGHT International Business Machines Corp. 2012
 *
 *  p1
 *
 *  Object Code Only (OCO) source materials
 *  Licensed Internal Code Source Materials
 *  IBM HostBoot Licensed Internal Code
 *
 *  The source code for this program is not published or other-
 *  wise divested of its trade secrets, irrespective of what has
 *  been deposited with the U.S. Copyright Office.
 *
 *  Origin: 30
 *
 *  IBM_PROLOG_END_TAG
 */
// $Id: RepairRingFunc.H,v 1.1 2012/07/19 22:00:38 mjjones Exp $
/**
 *  @file getMvpdRing.H
 *
 *  @brief Prototype for getMvpdRing() -
 *          get a repair ring from a MVPD record
 */

 #ifndef    _HWP_GETMVPDRING_
 #define    _HWP_GETMVPDRING_

 #include   <fapi.H>

// function pointer typedef definition for HWP call support
typedef fapi::ReturnCode (*getMvpdRing_FP_t)
     (fapi::MvpdRecord,fapi::MvpdKeyword,const fapi::Target &,
      const uint8_t, const uint8_t, uint8_t *, uint32_t &);


extern "C"
{
/**
 * @brief   get specified ring from MVPD for the specified target CPU.
 *
 * A Ring Id Chiplet Id should be unique in the mvpd Record.
 * The code does not validate. No assumption should be made on which would
 * be returned if there are multiple.
 *
 * @param i_record          -   Record enumerator 
 * @param i_keyword         -   Keyword enumerator 
 * Supported Rings are: 
 *                   MVPD_RECORD_CP00 - MVPD_KEYWORD_PDR
 *                   MVPD_RECORD_CP00 - MVPD_KEYWORD_PDG
 * @param i_fapiTarget      -   cpu target
 * @param i_chipletId       -   Chiplet ID
 * @param i_ringId          -   Ring ID
 * @param i_pRingBuf        -   pointer to a buffer allocated by the caller 
 *                              to receive the ring header and data.
 *                              if NULL, the size of the min buffer required
 *                              buffer will be returned in io_rRingBufsize 
 *                              with rc FAPI_RC_SUCCESS.
 * @param io_rRingBufsize   -   in:     size of ring buffer that caller has
 *                                      allocated
 *                              out:    number of BYTES that were copied to the
 *                                      output buffer.
 *                                      If the ring was not found, an error
 *                                      will be returned and this will be 0.
 *                                      If the output buffer is not big enough,
 *                                      an error will be returned and this will
 *                                      be the minimum size required.
 *                              The buffer contains the CompressedScanData
 *                              structure followed by compressed data. The 
 *                              caller does compression and decompression.
 *  Buffer:   io_rRingBufsize returns xNN. 
 *    byte x0  CompressedScanData structure (rs4 header)
 *    byte x18 compressed data (sizeof CompressedScanData is 0x18)
 *    byte xNN last byte of compressed data
 *
 * @return fapi::ReturnCode -   FAPI_RC_SUCCESS if success,
 *                              relevant error code for failure.
 */
fapi::ReturnCode getMvpdRing( fapi::MvpdRecord i_record,
                              fapi::MvpdKeyword i_keyword,
                              const fapi::Target  &i_fapiTarget,
                              const uint8_t       i_chipletId,
                              const uint8_t       i_ringId,
                              uint8_t             *io_pRingBuf,
                              uint32_t            &io_rRingBufsize );

}

#endif
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