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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/ibscom/runtime/rt_ibscom.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2013,2018 */
/* [+] 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 */
#include <devicefw/driverif.H>
#include <trace/interface.H>
#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include <ibscom/ibscomreasoncodes.H>
#include "../ibscom.H"
#include <scom/scomif.H>
#include <scom/runtime/rt_scomif.H>
#include <ibscom/ibscomif.H>
// Trace definition
trace_desc_t* g_trac_ibscom = NULL;
TRAC_INIT(&g_trac_ibscom, "IBSCOM", 2*KILOBYTE, TRACE::BUFFER_SLOW);
namespace IBSCOM
{
DEVICE_REGISTER_ROUTE(DeviceFW::WILDCARD,
DeviceFW::IBSCOM,
TARGETING::TYPE_MEMBUF,
ibscomPerformOp);
/**
* @brief Complete the ibscom op
*
* @param[in] i_opType Operation type, see driverif.H
* @param[in] i_target IBSCom target
* @param[in/out] io_buffer Read: Pointer to output data storage
* Write: Pointer to input data storage
* @param[in/out] io_buflen Input: size of io_buffer (in bytes)
* Output: Read: Size of output data
* Write: Size of data written
* @param[in] i_accessType Access type
* @param[in] i_args This is an argument list for DD framework.
* In this function, there's only one argument,
* which is the MMIO IBSCom address
* @return errlHndl_t
*/
errlHndl_t ibscomPerformOp(DeviceFW::OperationType i_opType,
TARGETING::Target* i_target,
void* io_buffer,
size_t& io_buflen,
int64_t i_accessType,
va_list i_args)
{
TRACDCOMP(g_trac_ibscom,ENTER_MRK"ibscomPerformOp");
errlHndl_t l_err = NULL;
uint64_t l_addr = va_arg(i_args,uint64_t);
do
{
l_err = SCOM::scomOpSanityCheck(i_opType,
i_target,
io_buffer,
io_buflen,
l_addr,
IBSCOM_BUFFER_SIZE);
if( l_err )
{
// Trace here - sanity check does not know scom type
TRACFCOMP(g_trac_ibscom,"Runtime IBScom sanity check failed");
break;
}
// Multicast is not handled correctly by inband scom
// Call workaround to complete manually
bool l_didWorkaround = false;
l_err = doIBScomMulticast(i_opType,
i_target,
io_buffer,
io_buflen,
l_addr,
l_didWorkaround);
if( l_err || l_didWorkaround )
{
break;
}
l_err = SCOM::sendScomToHyp(i_opType, i_target, l_addr, io_buffer);
} while(0);
TRACDCOMP(g_trac_ibscom,EXIT_MRK"ibscomPerformOp");
return l_err;
}
}; // end namespace IBSCOM
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