int rpaphp_get_sensor_state(struct slot *slot, int *state)
{
int rc;
int setlevel;
rc = rtas_get_sensor(DR_ENTITY_SENSE, slot->index, state);
if (rc < 0) {
if (rc == -EFAULT || rc == -EEXIST) {
dbg("%s: slot must be power up to get sensor-state\n",
__func__);
/* some slots have to be powered up
* before get-sensor will succeed.
*/
rc = rtas_set_power_level(slot->power_domain, POWER_ON,
&setlevel);
if (rc < 0) {
dbg("%s: power on slot[%s] failed rc=%d.\n",
__func__, slot->name, rc);
} else {
rc = rtas_get_sensor(DR_ENTITY_SENSE,
slot->index, state);
}
} else if (rc == -ENODEV)
info("%s: slot is unusable\n", __func__);
else
err("%s failed to get sensor state\n", __func__);
}
return rc;
}
/**
* set_power
* @brief Sets the power level for the specified slot.
*
* @param domain power domain for the slot from "ibm,drc-power-domains"
* @param level POWER_ON or POWER_OFF
* @returns 0 Successful completion
* @returns SPEED_ERROR Inserted a PCI 33 MHz IOA into a PCIbus which is
* operating at 66 MHz.
* @returns HW_ERROR Hardware error.
* @returns SW_ERROR Other errors.
*/
int
set_power(int domain, int level)
{
int ret_level;
return rtas_set_power_level(domain, level, &ret_level);
}
SaErrorT rtas_set_power_state(void *hnd,
SaHpiResourceIdT id,
SaHpiPowerStateT state)
{
int setlevel, rc;
if (state == SAHPI_POWER_OFF) {
rc = rtas_set_power_level(0, 0, &setlevel);
if (rc > -1 && setlevel == 0) return SA_OK;
else if (rc > -1 && setlevel != 0) return SA_ERR_HPI_BUSY;
else return SA_ERR_HPI_INTERNAL_ERROR;
} else {
return SA_ERR_HPI_INTERNAL_ERROR;
}
}
