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Diffstat (limited to 'src/usr/hwpf/hwp/mvpd_accessors/getMBvpdPhaseRotatorData.C')
| -rw-r--r-- | src/usr/hwpf/hwp/mvpd_accessors/getMBvpdPhaseRotatorData.C | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/usr/hwpf/hwp/mvpd_accessors/getMBvpdPhaseRotatorData.C b/src/usr/hwpf/hwp/mvpd_accessors/getMBvpdPhaseRotatorData.C new file mode 100644 index 000000000..f81554342 --- /dev/null +++ b/src/usr/hwpf/hwp/mvpd_accessors/getMBvpdPhaseRotatorData.C @@ -0,0 +1,145 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/usr/hwpf/hwp/mvpd_accessors/getMBvpdPhaseRotatorData.C $ */ +/* */ +/* IBM CONFIDENTIAL */ +/* */ +/* COPYRIGHT International Business Machines Corp. 2012,2013 */ +/* */ +/* 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 otherwise */ +/* divested of its trade secrets, irrespective of what has been */ +/* deposited with the U.S. Copyright Office. */ +/* */ +/* Origin: 30 */ +/* */ +/* IBM_PROLOG_END_TAG */ +// $Id: getMBvpdPhaseRotatorData.C,v 1.2 2013/04/29 16:44:00 whs Exp $ +/** + * @file getMBvpdPhaseRotatorData.C + * + * @brief get Phase Rotator Data from MBvpd MR keyword + * + */ + +#include <stdint.h> + +// fapi support +#include <fapi.H> +#include <getMBvpdPhaseRotatorData.H> + +extern "C" +{ +using namespace fapi; + +fapi::ReturnCode getMBvpdPhaseRotatorData( + const fapi::Target &i_mbaTarget, + const fapi::MBvpdPhaseRotatorData i_attr, + uint8_t (&o_val)[2]) + +{ + + //MR keyword layout + const uint8_t NUM_MBA = 2; //There are 2 MBAs per Centaur memory buffer + const uint8_t NUM_PORTS = 2; //Each MBA has 2 ports + const uint8_t PHASE_ROTATOR_ATTR_SIZE = 64; //Each port has 64 bytes + // for attributes + struct port_attributes + { + uint8_t port_attr[PHASE_ROTATOR_ATTR_SIZE]; + }; + struct mba_attributes + { + port_attributes mba_port[NUM_PORTS]; + }; + struct mr_keyword + { + mba_attributes mb_mba[NUM_MBA]; + }; + // The actual size of the MR keword is 255 bytes, which is one byte short + // of the mr_keyword struct. One byte is used for the size in the vpd. + // As long as there is at least one reserved attribute, then all will fit. + + fapi::ReturnCode l_fapirc; + fapi::Target l_mbTarget; + uint8_t l_pos = NUM_PORTS; //initialize to out of range value (+1) + mr_keyword * l_pMrBuffer = NULL; // MBvpd MR keyword buffer + uint32_t l_MrBufsize = sizeof(mr_keyword); + + FAPI_DBG("getMBvpdPhaseRotatorData: entry attr=0x%02x ", + i_attr ); + + do { + // find the position of the passed mba on the centuar + l_fapirc = FAPI_ATTR_GET(ATTR_CHIP_UNIT_POS,&i_mbaTarget,l_pos); + if (l_fapirc) + { + FAPI_ERR(" getMBvpdPhaseRotatorData: Get MBA position failed "); + break; // break out with fapirc + } + FAPI_DBG("getMBvpdPhaseRotatorData: mba %s position=%d", + i_mbaTarget.toEcmdString(), + l_pos); + + // find the Centaur memmory buffer from the passed MBA + l_fapirc = fapiGetParentChip (i_mbaTarget,l_mbTarget); + if (l_fapirc) + { + FAPI_ERR("getMBvpdPhaseRotatorData: Finding the parent mb failed "); + break; // break out with fapirc + } + FAPI_DBG("getMBvpdPhaseRotatorData: parent path=%s ", + l_mbTarget.toEcmdString() ); + + // Read the MR keyword field + l_pMrBuffer = new mr_keyword; + + l_fapirc = fapiGetMBvpdField(fapi::MBVPD_RECORD_VSPD, + fapi::MBVPD_KEYWORD_MR, + l_mbTarget, + reinterpret_cast<uint8_t *>(l_pMrBuffer), + l_MrBufsize); + if (l_fapirc) + { + FAPI_ERR("getMBvpdPhaseRotatorData: Read of MR keyword failed"); + break; // break out with fapirc + } + + // Check that sufficient MR was returned. + uint32_t l_sizeNeeded = l_pos*sizeof(mba_attributes)+ + sizeof(port_attributes)+i_attr; + if (l_MrBufsize < l_sizeNeeded ) + { + FAPI_ERR("getMBvpdPhaseRotatorData:" + " less MR keyword returned than expected %d < %d", + l_MrBufsize, l_sizeNeeded); + FAPI_SET_HWP_ERROR(l_fapirc, RC_MBVPD_INSUFFICIENT_MR_KEYWORD ); + break; // break out with fapirc + } + + // return the requested attributes from the MR keyword buffer + for (uint8_t l_port=0 ; l_port<NUM_PORTS ; l_port++) + { + o_val[l_port]=l_pMrBuffer-> + mb_mba[l_pos].mba_port[l_port].port_attr[i_attr]; + } + + } while (0); + + delete l_pMrBuffer; + l_pMrBuffer = NULL; + + FAPI_DBG("getMBvpdPhaseRotatorData: exit rc=0x%08x (0x%02x,0x%02x)", + static_cast<uint32_t>(l_fapirc), + o_val[0],o_val[1] ); + + return l_fapirc; +} + +} // extern "C" |
