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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/occ_405/firdata/mboxOverIpmi.C $ */
/* */
/* OpenPOWER OnChipController 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 */
extern "C" {
#include "native.h"
#include "gpe_util.h"
#include "ast_mboxdd.h"
int ipmi_sendCommand(mboxMessage_t *io_msg, int i_arg_size);
}
#include "ipmidd.H"
enum
{
IPMI_MAX_TRIES = 10000,
};
/**
* Wrap the astMbox message in an IPMI message and send/recv over IPMI
* interface.
*/
int ipmi_sendCommand(mboxMessage_t *io_msg, int i_arg_size)
{
int rc = 0;
int i = 0;
uint8_t * l_data = reinterpret_cast<uint8_t*>(io_msg);
int l_data_size = i_arg_size + 2; //#args + iv_cmd + iv_seq
IpmiDD l_ipmidd(IPMI::NETFUN_IBM,
IPMI::PNOR_CMD,
io_msg->iv_seq, // seems unique enough to use this
IPMI::CC_UNKBAD,
l_data,
l_data_size // #args + iv_cmd + iv_seq
);
do
{
for(i = 0; i < IPMI_MAX_TRIES; ++i)
{
rc = l_ipmidd.send();
if(rc != RC_IPMIDD_NOT_IDLE)
{
break;
}
busy_wait(100); // 100 us
}
// Note: OCC_GPE can't generate error logs.
// For whatever reason errors are not returned to the OCC_405 as it
// probably can't report them either in the current state.
// If the write to PNOR fails then the fir data is simply not captured
// and only the PK trace has the reason.
// It's not clear if the PK trace can be extracted w/o Cronus.
if(i == IPMI_MAX_TRIES)
{
PK_TRACE("ipmi_sendCommand: cmd 0x%x TIMEOUT waiting to send",
io_msg->iv_cmd);
rc = RC_IPMIDD_TIMEOUT;
}
if( rc )
{
break;
}
// Wait for response.
for(i = 0; i < IPMI_MAX_TRIES; ++i)
{
busy_wait(100); // 100 us
rc = l_ipmidd.pollCtrl();
// keep waiting if IDLE or BUSY and ignore IPMI events
if ((rc != RC_IPMIDD_IDLE) &&
(rc != RC_IPMI_EVENT) &&
(rc != RC_IPMI_BUSY))
{
break;
}
}
if(i == IPMI_MAX_TRIES)
{
PK_TRACE("ipmi_sendCommand: cmd 0x%x TIMEOUT "
"waiting for a response!",
io_msg->iv_cmd);
rc = RC_IPMIDD_TIMEOUT;
break;
}
if( rc )
{
PK_TRACE("ipmi_sendCommand: cmd 0x%x Failed rc = %d",
io_msg->iv_cmd,
rc);
break;
}
// Return reponse code if not CC_OK;
if(l_ipmidd.iv_cc != IPMI::CC_OK)
{
PK_TRACE("ipmi_sendCommand: cmd 0x%x. IPMI completion code = 0x%x",
io_msg->iv_cmd,
l_ipmidd.iv_cc);
rc = (int)l_ipmidd.iv_cc;
break;
}
l_data_size = l_ipmidd.iv_data_len;
if(l_data_size > (int)sizeof(mboxMessage_t))
{
PK_TRACE("ipmi_sendCommand: recvd data packet too big (%d)",
l_data_size);
rc = RC_IPMIDD_INVALID_RESP_SIZE;
break;
}
if( io_msg->iv_seq != l_ipmidd.iv_seq )
{
PK_TRACE("ipmi_sendCommand: cmd 0x%x bad sequence number "
"in mboxMessage. sent %d recvd %d",
io_msg->iv_cmd,
io_msg->iv_seq,
l_ipmidd.iv_seq);
rc = RC_BAD_SEQUENCE;
break;
}
uint8_t org_cmd = io_msg->iv_cmd;
// This overwrites io_msg object with recvd ipmi msg payload
for(int i = 0; i < l_data_size; ++i)
{
l_data[i] = l_ipmidd.iv_data[i];
}
// The GET_INFO command does not have the same response format over
// IPMI as it does over ast-mbox. This work-around fixes that.
if(org_cmd == MBOX_C_GET_MBOX_INFO)
{
// Version 1 is the same between ast and IPMI
if(get8(io_msg,0) > 1)
{
io_msg->iv_args[5] = io_msg->iv_args[1];
io_msg->iv_args[6] = io_msg->iv_args[2];
io_msg->iv_args[7] = io_msg->iv_args[3];
io_msg->iv_args[8] = io_msg->iv_args[4];
}
}
} while(0);
return rc;
}
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