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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/vpd/dimmPres.C $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2014 */
/* */
/* 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 */
/**
* @file dimmPres.C
*
* @brief Implementation of the DIMM Presence detect.
*
*/
// ----------------------------------------------
// Includes
// ----------------------------------------------
#include <trace/interface.H>
#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include <targeting/common/targetservice.H>
#include <devicefw/driverif.H>
#include <vpd/vpdreasoncodes.H>
#include <vpd/spdenums.H>
#include "spd.H"
// ----------------------------------------------
// Globals
// ----------------------------------------------
// ----------------------------------------------
// Trace definitions
// ----------------------------------------------
extern trace_desc_t * g_trac_spd;
// ------------------------
// Macros for unit testing
//#define TRACUCOMP(args...) TRACFCOMP(args)
#define TRACUCOMP(args...)
//#define TRACSSCOMP(args...) TRACFCOMP(args)
#define TRACSSCOMP(args...)
// ----------------------------------------------
// Defines
// ----------------------------------------------
namespace SPD
{
// Register the Presence detect code with the framework.
DEVICE_REGISTER_ROUTE( DeviceFW::READ,
DeviceFW::PRESENT,
TARGETING::TYPE_DIMM,
dimmPresenceDetect );
// ------------------------------------------------------------------
// dimmPresenceDetect
// ------------------------------------------------------------------
errlHndl_t dimmPresenceDetect( 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;
bool present = false;
size_t presentSz = sizeof(present);
TRACSSCOMP( g_trac_spd,
ENTER_MRK"dimmPresenceDetect()" );
do
{
// Check to be sure that the buffer is big enough.
if( !(io_buflen >= sizeof(bool)) )
{
TRACFCOMP( g_trac_spd,
ERR_MRK"dimmPresenceDetect() - Invalid Data Length: %d",
io_buflen );
/*@
* @errortype
* @reasoncode VPD::VPD_INSUFFICIENT_BUFFER_SIZE
* @severity ERRORLOG::ERRL_SEV_UNRECOVERABLE
* @moduleid VPD::VPD_SPD_PRESENCE_DETECT
* @userdata1 Buffer Length
* @userdata2 <UNUSED>
* @devdesc Buffer for checking Presence Detect was not the correct size.
*/
err = new ERRORLOG::ErrlEntry( ERRORLOG::ERRL_SEV_UNRECOVERABLE,
VPD::VPD_SPD_PRESENCE_DETECT,
VPD::VPD_INSUFFICIENT_BUFFER_SIZE,
TO_UINT64(io_buflen),
0x0,
true /*Add HB Software Callout*/);
err->collectTrace( "SPD", 256);
break;
}
// Read Byte 2 (BASIC_MEMORY_TYPE) for the target passed in.
uint16_t data = 0x0;
size_t dataSz = sizeof(data);
err = deviceRead( i_target,
&data,
dataSz,
DEVICE_SPD_ADDRESS( SPD::BASIC_MEMORY_TYPE ) );
if( err )
{
// If an error is returned, the DIMM is not present.
present = false;
TRACUCOMP( g_trac_spd,
INFO_MRK"Dimm was found to be NOT present." );
// Delete the error
delete err;
err = NULL;
}
else
{
// DIMM is present...
present = true;
TRACUCOMP( g_trac_spd,
INFO_MRK"Dimm was found to be present." );
}
// copy present value into output buffer so caller can read it
memcpy( io_buffer, &present, presentSz );
io_buflen = presentSz;
} while( 0 );
TRACSSCOMP( g_trac_spd,
EXIT_MRK"dimmPresenceDetect()" );
return err;
} // end dimmPresenceDetect
}; // end namespace SPD
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