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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/ppe/sbe/sbefw/sbecmdparser.C $ */
/* */
/* OpenPOWER OnChipController Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015 */
/* [+] 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: ppe/sbe/sbefw/sbecmdparser.C
*
* @brief This file contains the SBE FIFO Commands
*
*/
#include "sbecmdparser.H"
#include "sbecmdscomaccess.H"
#include "sbecmdiplcontrol.H"
#include "sbetrace.H"
#include "sbe_sp_intf.H"
////////////////////////////////////////////////////////////////
// @brief g_sbeScomCmdArray
////////////////////////////////////////////////////////////////
static sbeCmdStruct_t g_sbeScomCmdArray [] =
{
{sbeGetScom,
SBE_CMD_GETSCOM,
SBE_FENCE_AT_CONTINUOUS_IPL,
},
{sbePutScom,
SBE_CMD_PUTSCOM,
SBE_FENCE_AT_CONTINUOUS_IPL,
},
};
////////////////////////////////////////////////////////////////
// @brief g_sbeScomCmdArray
//
////////////////////////////////////////////////////////////////
static sbeCmdStruct_t g_sbeIplControlCmdArray [] =
{
{sbeHandleIstep,
SBE_CMD_EXECUTE_ISTEP,
SBE_FENCE_AT_CONTINUOUS_IPL|SBE_FENCE_AT_RUNTIME|SBE_FENCE_AT_MPIPL,
},
{sbeWaitForSbeIplDone,
SBE_CMD_IS_SBE_IPL_DONE,
SBE_FENCE_AT_ISTEP|SBE_FENCE_AT_RUNTIME|SBE_FENCE_AT_MPIPL,
},
};
////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////
uint8_t sbeGetCmdStructAttr (const uint8_t i_cmdClass,
sbeCmdStruct_t **o_ppCmd)
{
#define SBE_FUNC " sbeGetCmdStructAttr "
SBE_DEBUG(SBE_FUNC);
uint8_t l_numCmds = 0;
*o_ppCmd = NULL;
switch(i_cmdClass)
{
case SBE_CMD_CLASS_IPL_CONTROL:
// @TODO via RTC : 128655
// Use C++ style typecase
l_numCmds = sizeof(g_sbeIplControlCmdArray) /
sizeof(sbeCmdStruct_t);
*o_ppCmd = (sbeCmdStruct_t*)g_sbeIplControlCmdArray;
break;
case SBE_CMD_CLASS_SCOM_ACCESS:
l_numCmds = sizeof(g_sbeScomCmdArray) /
sizeof(sbeCmdStruct_t);
*o_ppCmd = (sbeCmdStruct_t*)g_sbeScomCmdArray;
break;
// This will grow with each class of chipOp in future
default:
break;
}
return l_numCmds;
#undef SBE_FUNC
}
////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////
uint8_t sbeValidateCmdClass (const uint8_t i_cmdClass,
const uint8_t i_cmdOpcode)
{
#define SBE_FUNC " sbeValidateCmdClass "
uint8_t l_rc = SBE_SEC_COMMAND_NOT_SUPPORTED;
SBE_DEBUG(SBE_FUNC"i_cmdClass[0x%02X], "
"i_cmdOpcode[0x%02X]", i_cmdClass, i_cmdOpcode);
do
{
uint8_t l_numCmds = 0;
sbeCmdStruct_t *l_pCmd = NULL;
l_numCmds = sbeGetCmdStructAttr (i_cmdClass, &l_pCmd);
if (!l_numCmds)
{
// Command class not supported
l_rc = SBE_SEC_COMMAND_CLASS_NOT_SUPPORTED;
break;
}
// @TODO via RTC : 128654
// Analyze on merging the validation functions into one
// and also on using loop vs switch case performance
for (uint8_t l_cnt = 0; l_cnt < l_numCmds; ++l_cnt, ++l_pCmd)
{
if (i_cmdOpcode == l_pCmd->cmd_opcode)
{
// Command found
l_rc = SBE_SEC_OPERATION_SUCCESSFUL;
break;
}
}
} while (false);
return l_rc;
#undef SBE_FUNC
}
////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////
bool sbeIsCmdAllowedAtState (const uint8_t i_cmdClass,
const uint8_t i_cmdOpcode)
{
// @TODO via RTC : 126146
// SBE state management
return 0;
}
////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////
sbeCmdFunc_t sbeFindCmdFunc (const uint8_t i_cmdClass,
const uint8_t i_cmdOpcode)
{
#define SBE_FUNC " sbeFindCmdFunc "
uint8_t l_numCmds = 0;
sbeCmdStruct_t *l_pCmd = NULL;
l_numCmds = sbeGetCmdStructAttr (i_cmdClass, &l_pCmd);
SBE_DEBUG(SBE_FUNC"i_cmdClass[0x%02X], "
"i_cmdOpcode[0x%02X], l_numCmds[0x%02X]",
i_cmdClass, i_cmdOpcode, l_numCmds);
for (uint8_t l_cnt = 0; l_cnt < l_numCmds; ++l_cnt, ++l_pCmd)
{
if (i_cmdOpcode == l_pCmd->cmd_opcode)
{
break;
}
}
return l_pCmd ? (l_pCmd->cmd_func) : NULL;
#undef SBE_FUNC
}
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