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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: hwpf/fapi2/include/fapi2_vpd_access.H $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* EKB Project */
/* */
/* COPYRIGHT 2016 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* The source code for this program is not published or otherwise */
/* divested of its trade secrets, irrespective of what has been */
/* deposited with the U.S. Copyright Office. */
/* */
/* IBM_PROLOG_END_TAG */
/// @file fapi2_vpd_access.H
/// @brief Common file that defines the vpd access functions that
/// platform code must implement.
///
//
#ifndef _FAPI2_VPDACCESS_H_
#define _FAPI2_VPDACCESS_H_
#include <return_code.H>
#include <target_types.H>
#include <vpd_access_defs.H>
#include <plat_vpd_access.H>
namespace fapi2
{
/// constants for VPD Info
constexpr uint64_t VPD_INFO_INVALID = 0xffffffffffffffff;
/// @brief Specialized class representing required VPDInfo to be used
/// in collecting VPD for the MCA target type.
/// @tparam T fapi2::TARGET_TYPE_MCA
template<>
class VPDInfo<TARGET_TYPE_MCA>
{
public:
// @brief VPDInfo constructor
VPDInfo( const fapi2::MemVpdData& i_vpd_type)
: iv_vpd_type(i_vpd_type),
iv_size(VPD_INFO_INVALID),
iv_freq_mhz(VPD_INFO_INVALID),
iv_rank_count_dimm_0(VPD_INFO_INVALID),
iv_rank_count_dimm_1(VPD_INFO_INVALID)
{};
// type of vpd field to return
fapi2::MemVpdData_t iv_vpd_type;
// size of the vpd data
size_t iv_size;
uint64_t iv_freq_mhz;
uint64_t iv_rank_count_dimm_0;
uint64_t iv_rank_count_dimm_1;
};
/// @brief Return a blob of memory VPD data associated with the input target
/// @param[in] i_target a valid fapi2 target
/// @param[in] io_vpd_info fapi2::VPDInfo class that specifies which piece of data to return
/// @param[out] o_blob the blob of raw data from the vpd
/// @return FAPI2_RC_SUCCESS if there's no problem
/// @note passing nullptr for o_blob will return the size of the keyword
///
/// Example:
/// fapi2::VPDInfo<fapi2::TARGET_TYPE_MCA> vpdInfo(MR_keyword);
/// vpdInfo.iv_freq = 2667;
///
/// uint8_t * blob = NULL;
///
/// FAPI_TRY(getVPD( mcs, vpdInfo, blob ));
/// blob = static_cast<uint8_t *>(malloc(vpdInfo.iv_size));
/// FAPI_TRY(getVPD( mcs, vpdInfo, blob ));
/// blob now contains the VPD data for the MCA.
///
template<TargetType T>
ReturnCode getVPD(const Target<T>& i_target,
VPDInfo<T>& io_vpd_info,
uint8_t* o_blob);
};
#endif
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