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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/occ_405/cmdh/cmdh_tunable_parms.c $ */
/* */
/* OpenPOWER OnChipController Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2011,2015 */
/* [+] 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 */
#include "cmdh_tunable_parms.h"
#include "cmdh_service_codes.h"
#include "cmdh_fsp_cmds.h"
#include "dcom.h"
// Function Specification
//
// Name: cmdh_tunable_parms_query
//
// Description: This function returns all supported tuanble parameters from the
// Tunable Parameters List that this system type supports.
//
// End Function Specification
uint8_t cmdh_tunable_parms_query( const cmdh_fsp_cmd_t * i_cmd_ptr,
cmdh_fsp_rsp_t * o_rsp_ptr)
{
uint8_t l_rc = ERRL_RC_SUCCESS;
uint16_t l_numParms = 0;
tunable_parms_query_cmd_t *l_cmd_ptr = (tunable_parms_query_cmd_t*) i_cmd_ptr;
tunable_parms_query_rsp_t *l_rsp_ptr = (tunable_parms_query_rsp_t*) o_rsp_ptr;
do
{
// Check version
if ( l_cmd_ptr->version != TUNABLE_PARMS_QUERY_VERSION )
{
TRAC_ERR("cmdh_tunable_parms_query: Tunable Parms invalid version: %x", l_cmd_ptr->version );
l_rc = ERRL_RC_INVALID_DATA;
break;
}
// Start setting up response ::
// Version
l_rsp_ptr->version = TUNABLE_PARMS_QUERY_VERSION;
// Number of parameters
l_numParms = sizeof(G_mst_tunable_parameter_table) / sizeof (cmdh_tunable_param_table_t);
l_rsp_ptr->numParms = l_numParms;
TRAC_INFO("cmdh_tunable_parms_query: Found %d entries", l_numParms );
// Copy complete global array data into response
memcpy( l_rsp_ptr->data, G_mst_tunable_parameter_table, sizeof(G_mst_tunable_parameter_table) );
}while(0);
// Setup the response data packet info
uint16_t l_size = 2 + sizeof(G_mst_tunable_parameter_table);
G_rsp_status = l_rc;
o_rsp_ptr->data_length[0] = ((uint8_t *)&l_size)[0];
o_rsp_ptr->data_length[1] = ((uint8_t *)&l_size)[1];
return l_rc;
}
// Function Specification
//
// Name: cmdh_tunable_parms_write
//
// Description: This function is used to set the values for tunable parameters
//
// End Function Specification
uint8_t cmdh_tunable_parms_write( const cmdh_fsp_cmd_t * i_cmd_ptr,
cmdh_fsp_rsp_t * o_rsp_ptr)
{
uint8_t l_rc = ERRL_RC_SUCCESS;
tunable_parms_write_cmd_t *l_cmd_ptr = (tunable_parms_write_cmd_t*) i_cmd_ptr;
do
{
// Check version
if ( l_cmd_ptr->version != TUNABLE_PARMS_WRITE_VERSION )
{
TRAC_ERR("cmdh_tunable_parms_write: Tunable Parms invalid version: %x", l_cmd_ptr->version );
l_rc = ERRL_RC_INVALID_DATA;
break;
}
// Loop through each parameter entry sent
uint8_t i = 0;
for (i=0; i < l_cmd_ptr->numParms; i++)
{
// Check if id is valid
uint8_t l_id = l_cmd_ptr->data[i].id;
if ( (l_id>0) && (l_id<=CMDH_DEFAULT_TUNABLE_PARAM_NUM) )
{
// Save off value
G_mst_tunable_parameter_table[l_id-1].value = CONVERT_UINT8_ARRAY_UINT16(l_cmd_ptr->data[i].value[0], l_cmd_ptr->data[i].value[1]);
G_mst_tunable_parameter_table_ext[l_id-1].adj_value = G_mst_tunable_parameter_table[l_id-1].value*G_mst_tunable_parameter_table_ext[l_id-1].multiplier;
TRAC_INFO("New tunable parameter value received: id[%u] value[%u] adj_value[%u]",
l_id,
G_mst_tunable_parameter_table[l_id-1].value,
G_mst_tunable_parameter_table_ext[l_id-1].adj_value);
}
else
{
TRAC_INFO("cmdh_tunable_parms_write: Tunable Parms invalid data found id=%x, value=%x",
l_id, CONVERT_UINT8_ARRAY_UINT16(l_cmd_ptr->data[i].value[0], l_cmd_ptr->data[i].value[1]) );
l_rc = ERRL_RC_INVALID_DATA;
}
}
}while(0);
// Populate the response data packet
G_rsp_status = l_rc;
// Set global var
G_mst_tunable_parameter_overwrite = 1;
return l_rc;
}
// Function Specification
//
// Name: cmdh_tunable_parms_restore
//
// Description: This is used to tell OCC to use default value for all supported
// tunable parameters defined in the Tunable Parameters list.
//
// End Function Specification
uint8_t cmdh_tunable_parms_restore(const cmdh_fsp_cmd_t * i_cmd_ptr,
cmdh_fsp_rsp_t * o_rsp_ptr)
{
uint8_t l_rc = ERRL_RC_SUCCESS;
do
{
// Loop through global array
uint8_t i = 0;
for (i=0; i<CMDH_DEFAULT_TUNABLE_PARAM_NUM; i++)
{
// Update value using default value
G_mst_tunable_parameter_table[i].value = G_mst_tunable_parameter_table_ext[i].def_value;
G_mst_tunable_parameter_table_ext[i].adj_value = G_mst_tunable_parameter_table_ext[i].def_value*G_mst_tunable_parameter_table_ext[i].multiplier;
}
}while(0);
// Populate the response data header
G_rsp_status = l_rc;
// Set global var
G_mst_tunable_parameter_overwrite = 2;
return l_rc;
}
// Function Specification
//
// Name: cmdh_tunable_parms
//
// Description: This function parses the tunable parms commands sent via TMGT.
//
// End Function Specification
errlHndl_t cmdh_tunable_parms ( const cmdh_fsp_cmd_t * i_cmd_ptr,
cmdh_fsp_rsp_t * o_rsp_ptr)
{
uint8_t l_rc = 0;
uint8_t l_sub_cmd = 0;
errlHndl_t l_errl = NULL;
do
{
// Command is only supported on Master OCC
if (G_occ_role == OCC_SLAVE)
{
TRAC_ERR("cmdh_tunable_parms: Tunable Parameters command not supported on Slave OCCs!");
l_rc = ERRL_RC_INVALID_CMD;
break;
}
// Sub-command is always first byte of data
l_sub_cmd = i_cmd_ptr->data[0];
TRAC_INFO("cmdh_tunable_parms: Tunable Parms sub-command [%d]", l_sub_cmd );
switch (l_sub_cmd)
{
case TUNABLE_PARMS_QUERY:
l_rc = cmdh_tunable_parms_query(i_cmd_ptr, o_rsp_ptr);
break;
case TUNABLE_PARMS_WRITE:
l_rc = cmdh_tunable_parms_write(i_cmd_ptr, o_rsp_ptr);
break;
case TUNABLE_PARMS_RESTORE:
l_rc = cmdh_tunable_parms_restore(i_cmd_ptr, o_rsp_ptr);
break;
default:
// Should never get here...
l_rc = ERRL_RC_INVALID_DATA;
break;
}
} while (0);
// All errors in TUNABLE PARMS logged internally
if (l_rc)
{
TRAC_ERR("Tunable Parms command 0x%02x failed with rc = %d", l_sub_cmd, l_rc);
// Build Error Response packet
cmdh_build_errl_rsp(i_cmd_ptr, o_rsp_ptr, l_rc, &l_errl);
}
return l_errl;
}
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