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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/vpd/mvpd.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2013,2014 */
/* [+] Google Inc. */
/* [+] 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 */
// ----------------------------------------------
// Includes
// ----------------------------------------------
#include <string.h>
#include <endian.h>
#include <trace/interface.H>
#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include <targeting/common/targetservice.H>
#include <devicefw/driverif.H>
#include <vfs/vfs.H>
#include <vpd/vpdreasoncodes.H>
#include <vpd/mvpdenums.H>
#include <vpd/vpd_if.H>
#include <config.h>
#include "mvpd.H"
#include "ipvpd.H"
#include "vpd.H"
// ----------------------------------------------
// Trace definitions
// ----------------------------------------------
extern trace_desc_t* g_trac_vpd;
// ------------------------
// Macros for unit testing
//#define TRACUCOMP(args...) TRACFCOMP(args)
#define TRACUCOMP(args...)
//#define TRACSSCOMP(args...) TRACFCOMP(args)
#define TRACSSCOMP(args...)
namespace MVPD
{
// ----------------------------------------------
// Globals
// ----------------------------------------------
mutex_t g_mutex = MUTEX_INITIALIZER;
/**
* @brief This function will perform the steps required to do a read from
* the Hostboot MVPD data.
*
* @param[in] i_opType - Operation Type - See DeviceFW::OperationType in
* driververif.H
*
* @param[in] i_target - Processor Target device
*
* @param [in/out] io_buffer - Pointer to the data that was read from
* the target device. This parameter, when set to NULL, will return
* the keyword size value in io_buflen.
*
* @param [in/out] io_buflen - Length of the buffer to be read or written
* to/from the target. This value should indicate the size of the
* io_buffer parameter that has been allocated. Being returned it
* will indicate the number of valid bytes in the buffer being
* returned. This parameter will contain the size of a keyword when
* the io_buffer parameter is passed in NULL.
*
* @param [in] i_accessType - Access Type - See DeviceFW::AccessType in
* usrif.H
*
* @param [in] i_args - This is an argument list for the device driver
* framework.
*
* @return errlHndl_t - NULL if successful, otherwise a pointer to the
* error log.
*/
errlHndl_t mvpdRead ( DeviceFW::OperationType i_opType,
TARGETING::Target * i_target,
void * io_buffer,
size_t & io_buflen,
int64_t i_accessType,
va_list i_args )
{
errlHndl_t err = NULL;
IpVpdFacade::input_args_t args;
args.record = ((mvpdRecord)va_arg( i_args, uint64_t ));
args.keyword = ((mvpdKeyword)va_arg( i_args, uint64_t ));
args.location = ((VPD::vpdCmdTarget)va_arg( i_args, uint64_t ));
TRACSSCOMP( g_trac_vpd,
ENTER_MRK"mvpdRead()" );
err = Singleton<MvpdFacade>::instance().read(i_target,
io_buffer,
io_buflen,
args);
return err;
}
/**
* @brief This function will perform the steps required to do a write to
* the Hostboot MVPD data.
*
* @param[in] i_opType - Operation Type - See DeviceFW::OperationType in
* driververif.H
*
* @param[in] i_target - Processor Target device
*
* @param [in/out] io_buffer - Pointer to the data that was read from
* the target device. It will also be used to contain data to
* be written to the device.
*
* @param [in/out] io_buflen - Length of the buffer to be read or written
* to/from the target. This value should indicate the size of the
* io_buffer parameter that has been allocated. Being returned it
* will indicate the number of valid bytes in the buffer being
* returned.
*
* @param [in] i_accessType - Access Type - See DeviceFW::AccessType in
* usrif.H
*
* @param [in] i_args - This is an argument list for the device driver
* framework.
*
* @return errlHndl_t - NULL if successful, otherwise a pointer to the
* error log.
*/
errlHndl_t mvpdWrite ( DeviceFW::OperationType i_opType,
TARGETING::Target * i_target,
void * io_buffer,
size_t & io_buflen,
int64_t i_accessType,
va_list i_args )
{
errlHndl_t err = NULL;
IpVpdFacade::input_args_t args;
args.record = ((mvpdRecord)va_arg( i_args, uint64_t ));
args.keyword = ((mvpdKeyword)va_arg( i_args, uint64_t ));
args.location = ((VPD::vpdCmdTarget)va_arg( i_args, uint64_t ));
TRACSSCOMP( g_trac_vpd,
ENTER_MRK"mvpdWrite()" );
err = Singleton<MvpdFacade>::instance().write(i_target,
io_buffer,
io_buflen,
args);
return err;
}
// Register with the routing code
DEVICE_REGISTER_ROUTE( DeviceFW::READ,
DeviceFW::MVPD,
TARGETING::TYPE_PROC,
mvpdRead );
DEVICE_REGISTER_ROUTE( DeviceFW::WRITE,
DeviceFW::MVPD,
TARGETING::TYPE_PROC,
mvpdWrite );
}; // end MVPD namespace
// ---------------------------------------------------------
// Presence Detection
// ---------------------------------------------------------
bool VPD::mvpdPresent( TARGETING::Target * i_target )
{
#ifdef CONFIG_MVPD_READ_FROM_HW
//@todo - Fix this the right way with RTC:117048
IpVpdFacade::input_args_t args;
args.record = MVPD::CP00;
args.keyword = MVPD::VD;
args.location = VPD::AUTOSELECT;
size_t kwlen = 0;
errlHndl_t l_errl = Singleton<MvpdFacade>::instance().read(
i_target,
NULL,
kwlen,
args );
if( l_errl )
{
delete l_errl;
return false;
}
if( kwlen == 0 )
{
return false;
}
return true;
#else
return Singleton<MvpdFacade>::instance().hasVpdPresent( i_target,
MVPD::CP00,
MVPD::VD );
#endif
}
//MVPD Class Functions
/**
* @brief Constructor
*/
MvpdFacade::MvpdFacade() :
IpVpdFacade(MVPD::SECTION_SIZE,
MVPD::MAX_SECTIONS,
MVPD::mvpdRecords,
(sizeof(MVPD::mvpdRecords)/sizeof(MVPD::mvpdRecords[0])),
MVPD::mvpdKeywords,
(sizeof(MVPD::mvpdKeywords)/sizeof(MVPD::mvpdKeywords[0])),
PNOR::MODULE_VPD,
MVPD::g_mutex,
VPD::VPD_WRITE_PROC)
{
TRACUCOMP(g_trac_vpd, "MvpdFacade::MvpdFacade> " );
#ifdef CONFIG_MVPD_READ_FROM_PNOR
iv_configInfo.vpdReadPNOR = true;
#else
iv_configInfo.vpdReadPNOR = false;
#endif
#ifdef CONFIG_MVPD_READ_FROM_HW
iv_configInfo.vpdReadHW = true;
#else
iv_configInfo.vpdReadHW = false;
#endif
#ifdef CONFIG_MVPD_WRITE_TO_PNOR
iv_configInfo.vpdWritePNOR = true;
#else
iv_configInfo.vpdWritePNOR = false;
#endif
#ifdef CONFIG_MVPD_WRITE_TO_HW
iv_configInfo.vpdWriteHW = true;
#else
iv_configInfo.vpdWriteHW = false;
#endif
}
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