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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/secureboot/node_comm/node_comm_test.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2018 */
/* [+] 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 */
/**
* @file node_comm_test.C
*
* @brief Implementation of the Secure Node Communications Tests
*
*/
// ----------------------------------------------
// Includes
// ----------------------------------------------
#include <string.h>
#include <trace/interface.H>
#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include <errl/errludtarget.H>
#include <targeting/common/targetservice.H>
#include <devicefw/userif.H>
#include <devicefw/driverif.H>
#include <secureboot/secure_reasoncodes.H>
#include <secureboot/nodecommif.H>
#include <targeting/common/commontargeting.H>
#include <targeting/common/utilFilter.H>
#include "node_comm.H"
using namespace TARGETING;
namespace SECUREBOOT
{
namespace NODECOMM
{
/**
* @brief Execute A Single Transmission from one proc to another over Xbus
*/
errlHndl_t nodeCommXbus2ProcTest(void)
{
errlHndl_t err = nullptr;
const uint64_t gold_data = 0xFEEDB0B0DEADBEEF;
uint64_t sent_data = gold_data;
uint64_t read_data = 0;
Target* read_tgt = nullptr;
node_comm_modes_t mode = NCDD_MODE_XBUS;
uint64_t linkId = 0;
uint64_t mboxId = 0;
bool attn_found = false;
do
{
// Get a list of all the procs in the system
TARGETING::TargetHandleList l_cpuTargetList;
getAllChips(l_cpuTargetList, TYPE_PROC);
// Need at least 2 procs for this test
if ( l_cpuTargetList.size() < 2 )
{
TRACFCOMP(g_trac_nc,ERR_MRK"nodeCommXbus2ProcTest: need at least "
"2 procs - only have %d",
l_cpuTargetList.size());
break;
}
TRACUCOMP(g_trac_nc,ENTER_MRK"nodeCommXbus2ProcTest: Running with %d procs",
l_cpuTargetList.size());
// 1) Send Data Out of First Proc Xbus Link Mailbox
// @TODO RTC 184516 revisit this when PEER_PATH attribute is being used
if ( l_cpuTargetList.size() != 4)
{
linkId = 4;
mboxId = 0;
}
else
{
linkId = 0;
mboxId = 0;
}
TARGETING::Target* proc0 = (l_cpuTargetList[0]);
size_t size=sizeof(sent_data);
TRACFCOMP(g_trac_nc,"nodeCommXbus2ProcTest: "
"Sending 0x%016llX to L%d/M%d Using proc0=0x%X",
sent_data, linkId, mboxId, TARGETING::get_huid(proc0));
err = DeviceFW::deviceWrite(proc0,
&sent_data,
size,
DEVICE_NODECOMM_ADDRESS(mode, linkId, mboxId));
if (err)
{
TRACFCOMP(g_trac_nc,ERR_MRK"nodeCommXbus2ProcTest: Error Back From "
"Xbus MBox Send: Tgt=0x%X, link=%d, mbox=%d: "
TRACE_ERR_FMT,
get_huid(proc0), linkId, mboxId,
TRACE_ERR_ARGS(err));
break;
}
// 2) Loop through targets to see which of them had an attention
for (const auto & l_cpu_target: l_cpuTargetList)
{
attn_found = false;
read_tgt = l_cpu_target;
err = nodeCommMapAttn(read_tgt, mode, attn_found, linkId, mboxId);
if (err)
{
TRACFCOMP(g_trac_nc,ERR_MRK"nodeCommXbus2ProcTest: Error Back From "
"Map Attn: Tgt=0x%X, attn_found=%d, link=%d, mbox=%d: "
TRACE_ERR_FMT,
get_huid(read_tgt), attn_found, linkId, mboxId,
TRACE_ERR_ARGS(err));
break;
}
if (attn_found == true)
{
break;
}
}
if(err)
{
break;
}
if (attn_found == false)
{
TRACFCOMP(g_trac_nc,ERR_MRK"nodeCommXbus2ProcTest: "
"No attentions were found! (%d)",
attn_found);
/*@
* @errortype
* @reasoncode RC_NC_NO_ATTN_FOUND
* @moduleid MOD_NC_XBUS_TEST
* @userdata1 Data Sent
* @userdata2[0:15] LinkId data was sent from
* @userdata2[16:31] MboxId data was sent from
* @userdata2[32:63] Target HUID data was sent from
* @devdesc No Attention was found after sending data in
* XBUS Node Comm Test
* @custdesc Secure Boot failure
*/
err = new ERRORLOG::ErrlEntry( ERRORLOG::ERRL_SEV_UNRECOVERABLE,
MOD_NC_XBUS_TEST,
RC_NC_NO_ATTN_FOUND,
sent_data,
TWO_UINT16_ONE_UINT32_TO_UINT64(
linkId,
mboxId,
get_huid(proc0)));
// Likely HB code failed to do the procedure correctly
err->addProcedureCallout(HWAS::EPUB_PRC_HB_CODE,
HWAS::SRCI_PRIORITY_HIGH);
// Or unlikely an issue with Processor or its bus
err->addHwCallout( proc0,
HWAS::SRCI_PRIORITY_LOW,
HWAS::NO_DECONFIG,
HWAS::GARD_NULL );
break;
}
else
{
TRACUCOMP(g_trac_nc,INFO_MRK"nodeCommXbus2ProcTest: "
"Attention was found (%d) on tgt=0x%.08X",
attn_found, get_huid(read_tgt));
}
// 3) Read message on proc with Link Mailbox found above
TRACFCOMP(g_trac_nc,"nodeCommXbus2ProcTest: Attention Found on"
"proc=0x%X for L%d/M%d ",
TARGETING::get_huid(read_tgt), linkId, mboxId);
err = DeviceFW::deviceRead(read_tgt,
&read_data,
size,
DEVICE_NODECOMM_ADDRESS(mode, linkId, mboxId));
if (err)
{
TRACFCOMP(g_trac_nc,ERR_MRK"nodeCommXbus2ProcTest: Error Back From "
"Xbus MBox Read: Tgt=0x%X, link=%d, mbox=%d: "
TRACE_ERR_FMT,
get_huid(read_tgt), linkId, mboxId,
TRACE_ERR_ARGS(err));
break;
}
// 4) Compare values
if (read_data == gold_data)
{
TRACFCOMP(g_trac_nc,INFO_MRK"nodeCommXbus2ProcTest: "
"DATA SUCCESSFULLY READ BACK = 0x%.16llx from "
"proc=0x%X's L%d/M%d Mailbox"
"L%d/M%d using proc=0x%X",
read_data, TARGETING::get_huid(read_tgt), linkId, mboxId);
}
else
{
TRACFCOMP(g_trac_nc,ERR_MRK"nodeCommXbus2ProcTest: "
"DATA NOT READ BACK! Got 0x%.16llx; should be 0x%.16llX. "
"Read from proc=0x%X's L%d/M%d Mailbox",
read_data, gold_data, TARGETING::get_huid(read_tgt), linkId, mboxId);
/*@
* @errortype
* @reasoncode RC_NC_DATA_MISCOMPARE
* @moduleid MOD_NC_XBUS_TEST
* @userdata1 Data Read Back
* @userdata2[0:15] LinkId data was read from
* @userdata2[16:31] MboxId data was read from
* @userdata2[32:63] Target HUID data was read from
* @devdesc No Attention was found after sending data in
* Xbus Node Comm Test
* @custdesc Secure Boot failure
*/
err = new ERRORLOG::ErrlEntry( ERRORLOG::ERRL_SEV_UNRECOVERABLE,
MOD_NC_XBUS_TEST,
RC_NC_DATA_MISCOMPARE,
read_data,
TWO_UINT16_ONE_UINT32_TO_UINT64(
linkId,
mboxId,
get_huid(read_tgt)));
// Likely HB code failed to do the procedure correctly
err->addProcedureCallout(HWAS::EPUB_PRC_HB_CODE,
HWAS::SRCI_PRIORITY_HIGH);
// Or unlikely an issue with Processor or its bus
err->addHwCallout( read_tgt,
HWAS::SRCI_PRIORITY_LOW,
HWAS::NO_DECONFIG,
HWAS::GARD_NULL );
// Collect FFDC
getNodeCommFFDC(mode,read_tgt, err);
}
} while( 0 );
TRACFCOMP(g_trac_nc,EXIT_MRK"nodeCommXbus2ProcTest: "
TRACE_ERR_FMT
"Tgt=0x%X, attn_found=%d, link=%d, mbox=%d",
TRACE_ERR_ARGS(err),
get_huid(read_tgt), attn_found, linkId, mboxId);
if (err)
{
err->collectTrace(SECURE_COMP_NAME);
err->collectTrace(NODECOMM_TRACE_NAME);
// @TODO RTC:184518 Delete for now as it will fail in simics and
// cause a processor deconfig.
delete err;
err = nullptr;
}
return err;
} // end of nodeCommXbus2ProcTest
} // End NODECOMM namespace
} // End SECUREBOOT namespace
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