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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2014 Intel, Inc. All rights reserved
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "orte_config.h"
#include "orte/constants.h"
#include "opal/mca/base/base.h"
#include "orte/util/show_help.h"
#include "rtc_freq.h"
/*
* Local functions
*/
static int rtc_freq_query(mca_base_module_t **module, int *priority);
static int rtc_freq_register(void);
static int my_priority;
orte_rtc_freq_component_t mca_rtc_freq_component = {
{
.base_version = {
ORTE_RTC_BASE_VERSION_1_0_0,
.mca_component_name = "freq",
MCA_BASE_MAKE_VERSION(component, ORTE_MAJOR_VERSION, ORTE_MINOR_VERSION,
ORTE_RELEASE_VERSION),
.mca_query_component = rtc_freq_query,
.mca_register_component_params = rtc_freq_register,
},
.base_data = {
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
}
};
static char *freq;
static int rtc_freq_register(void)
{
mca_base_component_t *c = &mca_rtc_freq_component.super.base_version;
/* ordering here doesn't really matter */
my_priority = 50;
(void) mca_base_component_var_register (c, "priority", "Priority of the FREQ rtc component",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&my_priority);
mca_rtc_freq_component.governor = NULL;
(void) mca_base_component_var_register (c, "governor", "Governor to be used by default (default: system setting)",
MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_rtc_freq_component.governor);
mca_rtc_freq_component.max_freq = NULL;
(void) mca_base_component_var_register (c, "max", "Max frequency to be used by default (default: system setting)",
MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_rtc_freq_component.max_freq);
mca_rtc_freq_component.min_freq = NULL;
(void) mca_base_component_var_register (c, "min", "Min frequency to be used by default (default: system setting)",
MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_rtc_freq_component.min_freq);
freq = NULL;
(void) mca_base_component_var_register (c, NULL, "Specific frequency to be used by default",
MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&freq);
if (NULL != freq) {
/* if a max/min was also given, then that is an error */
if (NULL != mca_rtc_freq_component.max_freq ||
NULL != mca_rtc_freq_component.min_freq) {
orte_show_help("help-rtc-freq.txt", "conflict-freq", true, freq,
(NULL == mca_rtc_freq_component.max_freq) ? "NULL" : mca_rtc_freq_component.max_freq,
(NULL == mca_rtc_freq_component.min_freq) ? "NULL" : mca_rtc_freq_component.min_freq);
return ORTE_ERR_SILENT;
}
/* set the max/min to the given value */
mca_rtc_freq_component.max_freq = strdup(freq);
mca_rtc_freq_component.min_freq = strdup(freq);
}
return ORTE_SUCCESS;
}
static int rtc_freq_query(mca_base_module_t **module, int *priority)
{
/* in general, only root can change the frequency setting
* of a node. However, if the sys admin has configured the
* remote node with the "userspace" governor, then individual
* users will be able to do so. Hence, we allow this component
* to always be selected, and will instead error out if the
* remote node cannot support the desired setting
*/
*priority = my_priority;
*module = (mca_base_module_t *)&orte_rtc_freq_module;
return ORTE_SUCCESS;
}
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