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/* Copyright 2013-2014 IBM 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.
*/
#include <skiboot.h>
#include <stdlib.h>
#include <ipmi.h>
#include <opal.h>
#include <timebase.h>
static void ipmi_chassis_control_complete(struct ipmi_msg *msg)
{
uint8_t request = msg->data[0];
uint8_t cc = msg->cc;
ipmi_free_msg(msg);
if (cc == IPMI_CC_NO_ERROR)
return;
prlog(PR_INFO, "IPMI: Chassis control request failed. "
"request=0x%02x, rc=0x%02x\n", request, cc);
if (ipmi_chassis_control(request)) {
prlog(PR_INFO, "IPMI: Failed to resend chassis control "
"request [0x%02x]\n", request);
}
}
int ipmi_chassis_control(uint8_t request)
{
struct ipmi_msg *msg;
if (!ipmi_present())
return OPAL_CLOSED;
if (request > IPMI_CHASSIS_SOFT_SHUTDOWN)
return OPAL_PARAMETER;
msg = ipmi_mkmsg(IPMI_DEFAULT_INTERFACE, IPMI_CHASSIS_CONTROL,
ipmi_chassis_control_complete, NULL,
&request, sizeof(request), 0);
if (!msg)
return OPAL_HARDWARE;
/* Set msg->error callback function */
msg->error = ipmi_chassis_control_complete;
prlog(PR_INFO, "IPMI: sending chassis control request 0x%02x\n",
request);
return ipmi_queue_msg(msg);
}
int ipmi_set_power_state(uint8_t system, uint8_t device)
{
struct ipmi_msg *msg;
struct {
uint8_t system;
uint8_t device;
} power_state;
if (!ipmi_present())
return OPAL_CLOSED;
power_state.system = system;
power_state.device = device;
if (system != IPMI_PWR_NOCHANGE)
power_state.system |= 0x80;
if (device != IPMI_PWR_NOCHANGE)
power_state.device |= 0x80;
msg = ipmi_mkmsg_simple(IPMI_SET_POWER_STATE, &power_state,
sizeof(power_state));
if (!msg)
return OPAL_HARDWARE;
prlog(PR_INFO, "IPMI: setting power state: sys %02x, dev %02x\n",
power_state.system, power_state.device);
return ipmi_queue_msg(msg);
}
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