int
onlp_sysi_platform_manage_fans(void)
{
int rc;
onlp_thermal_info_t ti1;
onlp_thermal_info_t ti2;
int mtemp=0;
int new_rpm=0;
if (chassis_fan_count() == 0) {
return ONLP_STATUS_E_UNSUPPORTED;
}
/* Get temperature */
rc = onlp_thermal_info_get(ONLP_THERMAL_ID_CREATE(1), &ti1);
if (rc != ONLP_STATUS_OK) {
return rc;
}
rc = onlp_thermal_info_get(ONLP_THERMAL_ID_CREATE(2), &ti2);
if (rc != ONLP_STATUS_OK) {
return rc;
}
mtemp=(ti1.mcelsius+ti2.mcelsius)/2;
/* Bring fan speed according the temp
*/
if(mtemp<50000)
new_rpm=FAN_IDLE_RPM;
else if((mtemp>=55000)&&(mtemp<60000))
new_rpm=FAN_LEVEL1_RPM;
else if((mtemp>=65000)&&(mtemp<70000))
new_rpm=FAN_LEVEL2_RPM;
else if(mtemp>=75000)
new_rpm=FAN_LEVEL3_RPM;
else{
return ONLP_STATUS_OK;
}
onlp_fan_rpm_set(ONLP_FAN_ID_CREATE(1),new_rpm);
onlp_fan_rpm_set(ONLP_FAN_ID_CREATE(2),new_rpm);
return ONLP_STATUS_OK;
}
static void
temp_update_handler__(netsnmp_request_info *req,
uint32_t index,
onlp_snmp_sensor_t *ss)
{
uint64_t current = os_time_monotonic();
if (SENSOR_NEEDS_UPDATE(current, ss)) {
onlp_thermal_info_t *ti = &ss->sensor_info.ti;
onlp_oid_t oid = (onlp_oid_t) ss->sensor_id;
int rv = onlp_thermal_info_get(oid, ti);
SENSOR_SET_VALIDITY(rv, current, ss);
}
/* else use the last update info */
}
/************************************************************
*
* Debug and Show Functions
*
***********************************************************/
void
onlp_thermal_dump(onlp_oid_t id, aim_pvs_t* pvs, uint32_t flags)
{
int rv;
iof_t iof;
onlp_thermal_info_t info;
VALIDATENR(id);
onlp_oid_dump_iof_init_default(&iof, pvs);
iof_push(&iof, "thermal @ %d", ONLP_OID_ID_GET(id));
rv = onlp_thermal_info_get(id, &info);
if(rv < 0) {
onlp_oid_info_get_error(&iof, rv);
}
else {
onlp_oid_show_description(&iof, &info.hdr);
if(info.status & 1) {
/* Present */
iof_iprintf(&iof, "Status: %{onlp_thermal_status_flags}", info.status);
iof_iprintf(&iof, "Caps: %{onlp_thermal_caps_flags}", info.caps);
iof_iprintf(&iof, "Temperature: %d", info.mcelsius);
iof_push(&iof, "thresholds");
{
iof_iprintf(&iof, "Warning: %d", info.thresholds.warning);
iof_iprintf(&iof, "Error: %d", info.thresholds.error);
iof_iprintf(&iof, "Shutdown: %d", info.thresholds.shutdown);
iof_pop(&iof);
}
}
else {
iof_iprintf(&iof, "Not present.");
}
}
iof_pop(&iof);
}
/*
* For AC power Front to Back :
* * If any fan fail, please fan speed register to 15
* * The max value of Fan speed register is 9
* [LM75(48) + LM75(49) + LM75(4A)] > 174 => set Fan speed value from 4 to 5
* [LM75(48) + LM75(49) + LM75(4A)] > 182 => set Fan speed value from 5 to 7
* [LM75(48) + LM75(49) + LM75(4A)] > 190 => set Fan speed value from 7 to 9
*
* [LM75(48) + LM75(49) + LM75(4A)] < 170 => set Fan speed value from 5 to 4
* [LM75(48) + LM75(49) + LM75(4A)] < 178 => set Fan speed value from 7 to 5
* [LM75(48) + LM75(49) + LM75(4A)] < 186 => set Fan speed value from 9 to 7
*
*
* For AC power Back to Front :
* * If any fan fail, please fan speed register to 15
* * The max value of Fan speed register is 10
* [LM75(48) + LM75(49) + LM75(4A)] > 140 => set Fan speed value from 4 to 5
* [LM75(48) + LM75(49) + LM75(4A)] > 150 => set Fan speed value from 5 to 7
* [LM75(48) + LM75(49) + LM75(4A)] > 160 => set Fan speed value from 7 to 10
*
* [LM75(48) + LM75(49) + LM75(4A)] < 135 => set Fan speed value from 5 to 4
* [LM75(48) + LM75(49) + LM75(4A)] < 145 => set Fan speed value from 7 to 5
* [LM75(48) + LM75(49) + LM75(4A)] < 155 => set Fan speed value from 10 to 7
*/
int
onlp_sysi_platform_manage_fans(void)
{
int i = 0, arr_size, temp;
fan_ctrl_policy_t *policy;
int cur_duty_cycle, new_duty_cycle;
onlp_thermal_info_t thermal_1, thermal_2, thermal_3;
int fd, len;
char buf[10] = {0};
/* Get each fan status
*/
for (i = 1; i <= NUM_OF_FAN_ON_MAIN_BROAD; i++)
{
onlp_fan_info_t fan_info;
if (onlp_fan_info_get(ONLP_FAN_ID_CREATE(i), &fan_info) != ONLP_STATUS_OK) {
AIM_LOG_ERROR("Unable to get fan(%d) status\r\n", i);
return ONLP_STATUS_E_INTERNAL;
}
/* Decision 1: Set fan as full speed if any fan is failed.
*/
if (fan_info.status & ONLP_FAN_STATUS_FAILED) {
AIM_LOG_ERROR("Fan(%d) is not working, set the other fans as full speed\r\n", i);
return onlp_fan_percentage_set(ONLP_FAN_ID_CREATE(1), FAN_DUTY_CYCLE_MAX);
}
/* Decision 1.1: Set fan as full speed if any fan is not present.
*/
if (!(fan_info.status & ONLP_FAN_STATUS_PRESENT)) {
AIM_LOG_ERROR("Fan(%d) is not present, set the other fans as full speed\r\n", i);
return onlp_fan_percentage_set(ONLP_FAN_ID_CREATE(1), FAN_DUTY_CYCLE_MAX);
}
/* Get fan direction (Only get the first one since all fan direction are the same)
*/
if (i == 1) {
if (fan_info.status & ONLP_FAN_STATUS_F2B) {
policy = fan_ctrl_policy_f2b;
arr_size = AIM_ARRAYSIZE(fan_ctrl_policy_f2b);
}
else {
policy = fan_ctrl_policy_b2f;
arr_size = AIM_ARRAYSIZE(fan_ctrl_policy_b2f);
}
}
}
/* Get current fan speed
*/
fd = open(FAN_SPEED_CTRL_PATH, O_RDONLY);
if (fd == -1){
AIM_LOG_ERROR("Unable to open fan speed control node (%s)", FAN_SPEED_CTRL_PATH);
return ONLP_STATUS_E_INTERNAL;
}
len = read(fd, buf, sizeof(buf));
close(fd);
if (len <= 0) {
AIM_LOG_ERROR("Unable to read fan speed from (%s)", FAN_SPEED_CTRL_PATH);
return ONLP_STATUS_E_INTERNAL;
}
cur_duty_cycle = atoi(buf);
/* Decision 2: If no matched fan speed is found from the policy,
* use FAN_DUTY_CYCLE_MIN as default speed
*/
for (i = 0; i < arr_size; i++) {
if (policy[i].duty_cycle != cur_duty_cycle)
continue;
break;
}
if (i == arr_size) {
return onlp_fan_percentage_set(ONLP_FAN_ID_CREATE(1), policy[0].duty_cycle);
}
/* Get current temperature
*/
if (onlp_thermal_info_get(ONLP_THERMAL_ID_CREATE(2), &thermal_1) != ONLP_STATUS_OK ||
onlp_thermal_info_get(ONLP_THERMAL_ID_CREATE(3), &thermal_2) != ONLP_STATUS_OK ||
onlp_thermal_info_get(ONLP_THERMAL_ID_CREATE(4), &thermal_3) != ONLP_STATUS_OK) {
AIM_LOG_ERROR("Unable to read thermal status");
return ONLP_STATUS_E_INTERNAL;
}
temp = thermal_1.mcelsius + thermal_2.mcelsius + thermal_3.mcelsius;
/* Decision 3: Decide new fan speed depend on fan direction/current fan speed/temperature
*/
new_duty_cycle = cur_duty_cycle;
if ((temp >= policy[i].temp_up_adjust) && (i != (arr_size-1))) {
new_duty_cycle = policy[i+1].duty_cycle;
}
else if ((temp <= policy[i].temp_down_adjust) && (i != 0)) {
new_duty_cycle = policy[i-1].duty_cycle;
}
if (new_duty_cycle == cur_duty_cycle) {
/* Duty cycle does not change, just return */
return ONLP_STATUS_OK;
}
return onlp_fan_percentage_set(ONLP_FAN_ID_CREATE(1), new_duty_cycle);
}
void
onlp_thermal_show(onlp_oid_t id, aim_pvs_t* pvs, uint32_t flags)
{
int rv;
iof_t iof;
onlp_thermal_info_t ti;
VALIDATENR(id);
int yaml;
onlp_oid_show_iof_init_default(&iof, pvs, flags);
rv = onlp_thermal_info_get(id, &ti);
yaml = flags & ONLP_OID_SHOW_YAML;
if(yaml) {
iof_push(&iof, "- ");
iof_iprintf(&iof, "Name: Thermal %d", ONLP_OID_ID_GET(id));
}
else {
iof_push(&iof, "Thermal %d", ONLP_OID_ID_GET(id));
}
if(rv < 0) {
if(yaml) {
iof_iprintf(&iof, "State: Error");
iof_iprintf(&iof, "Error: %{onlp_status}", rv);
}
else {
onlp_oid_info_get_error(&iof, rv);
}
}
else {
onlp_oid_show_description(&iof, &ti.hdr);
if(ti.status & 0x1) {
/* Present */
if(ti.status & ONLP_THERMAL_STATUS_FAILED) {
iof_iprintf(&iof, "Status: Failed");
}
else {
iof_iprintf(&iof, "Status: Functional");
if(ti.caps & ONLP_THERMAL_CAPS_GET_TEMPERATURE) {
iof_iprintf(&iof, "Temperature: %d.%d C",
ONLP_MILLI_NORMAL_INTEGER_TENTHS(ti.mcelsius));
}
#if ONLP_CONFIG_INCLUDE_THERMAL_THRESHOLDS == 1
if(ti.caps & ONLP_THERMAL_CAPS_GET_ANY_THRESHOLD) {
iof_push(&iof, "Thresholds:");
if(ti.caps & ONLP_THERMAL_CAPS_GET_WARNING_THRESHOLD) {
iof_iprintf(&iof, "Warning : %d.%d C",
ONLP_MILLI_NORMAL_INTEGER_TENTHS(ti.thresholds.warning));
}
if(ti.caps & ONLP_THERMAL_CAPS_GET_ERROR_THRESHOLD) {
iof_iprintf(&iof, "Error : %d.%d C",
ONLP_MILLI_NORMAL_INTEGER_TENTHS(ti.thresholds.error));
}
if(ti.caps & ONLP_THERMAL_CAPS_GET_SHUTDOWN_THRESHOLD) {
iof_iprintf(&iof, "Shutdown: %d.%d C",
ONLP_MILLI_NORMAL_INTEGER_TENTHS(ti.thresholds.shutdown));
}
iof_pop(&iof);
}
#endif
}
}
else {
/* Not present */
onlp_oid_show_state_missing(&iof);
}
}
iof_pop(&iof);
}
int
onlp_sysi_platform_manage_fans(void)
{
int rc;
onlp_thermal_info_t ti2, ti3, ti4;
int mtemp=0;
int new_rpm=0;
if (chassis_fan_count() == 0) {
return ONLP_STATUS_E_UNSUPPORTED;
}
/* Get temperature */
/*rc = onlp_thermal_info_get(ONLP_THERMAL_ID_CREATE(1), &ti1);
if (rc != ONLP_STATUS_OK) {
return rc;
}*/
rc = onlp_thermal_info_get(ONLP_THERMAL_ID_CREATE(2), &ti2);
if (rc != ONLP_STATUS_OK) {
return rc;
}
rc = onlp_thermal_info_get(ONLP_THERMAL_ID_CREATE(3), &ti3);
if (rc != ONLP_STATUS_OK) {
return rc;
}
rc = onlp_thermal_info_get(ONLP_THERMAL_ID_CREATE(4), &ti4);
if (rc != ONLP_STATUS_OK) {
return rc;
}
mtemp=(ti2.mcelsius+ti3.mcelsius + ti4.mcelsius) / 3;
DEBUG_PRINT("mtemp %d\n", mtemp);
/* Bring fan speed according the temp
*/
if(mtemp<25000)
new_rpm=FAN_IDLE_RPM;
else if((mtemp>=30000)&&(mtemp<40000))
new_rpm=FAN_LEVEL1_RPM;
else if((mtemp>=45000)&&(mtemp<55000))
new_rpm=FAN_LEVEL2_RPM;
else if((mtemp>=60000)&&(mtemp<75000))
new_rpm=FAN_LEVEL3_RPM;
else if(mtemp>=80000)
new_rpm=FAN_LEVEL4_RPM;
else{
return ONLP_STATUS_OK;
}
onlp_fan_rpm_set(ONLP_FAN_ID_CREATE(1),new_rpm);
onlp_fan_rpm_set(ONLP_FAN_ID_CREATE(2),new_rpm);
onlp_fan_rpm_set(ONLP_FAN_ID_CREATE(3),new_rpm);
onlp_fan_rpm_set(ONLP_FAN_ID_CREATE(4),new_rpm);
onlp_fan_rpm_set(ONLP_FAN_ID_CREATE(5),new_rpm);
onlp_fan_rpm_set(ONLP_FAN_ID_CREATE(6),new_rpm);
return ONLP_STATUS_OK;
}