blob: 5b75b55c2d7562a73fed02f550843b3eee610b8f [file] [log] [blame]
#include <chrono>
#include <phosphor-logging/log.hpp>
#include <phosphor-logging/elog-errors.hpp>
#include <xyz/openbmc_project/Common/error.hpp>
#include <systemintfcmds.h>
#include <utils.hpp>
#include <config.h>
#include <host-cmd-manager.hpp>
namespace phosphor
{
namespace host
{
namespace command
{
constexpr auto MAPPER_BUSNAME = "xyz.openbmc_project.ObjectMapper";
constexpr auto MAPPER_PATH = "/xyz/openbmc_project/object_mapper";
constexpr auto MAPPER_INTERFACE = "xyz.openbmc_project.ObjectMapper";
// For throwing exceptions
using namespace phosphor::logging;
using InternalFailure = sdbusplus::xyz::openbmc_project::Common::
Error::InternalFailure;
// Called as part of READ_MSG_DATA command
IpmiCmdData Manager::getNextCommand()
{
// Stop the timer. Don't have to Err failure doing so.
auto r = timer.setTimer(SD_EVENT_OFF);
if (r < 0)
{
log<level::ERR>("Failure to STOP the timer",
entry("ERROR=%s", strerror(-r)));
}
if(this->workQueue.empty())
{
// Just return a heartbeat in this case. A spurious SMS_ATN was
// asserted for the host (probably from a previous boot).
log<level::INFO>("Control Host work queue is empty!");
return std::make_pair(CMD_HEARTBEAT, 0x00);
}
// Pop the processed entry off the queue
auto command = this->workQueue.front();
this->workQueue.pop();
// IPMI command is the first element in pair
auto ipmiCmdData = std::get<0>(command);
// Now, call the user registered functions so that
// implementation specific CommandComplete signals
// can be sent. `true` indicating Success.
std::get<CallBack>(command)(ipmiCmdData, true);
// Check for another entry in the queue and kick it off
this->checkQueueAndAlertHost();
// Tuple of command and data
return ipmiCmdData;
}
// Called when initial timer goes off post sending SMS_ATN
void Manager::hostTimeout()
{
log<level::ERR>("Host control timeout hit!");
// Dequeue all entries and send fail signal
while(!this->workQueue.empty())
{
auto command = this->workQueue.front();
this->workQueue.pop();
// IPMI command is the first element in pair
auto ipmiCmdData = std::get<0>(command);
// Call the implementation specific Command Failure.
// `false` indicating Failure
std::get<CallBack>(command)(ipmiCmdData, false);
}
}
// Called for alerting the host
void Manager::checkQueueAndAlertHost()
{
if (this->workQueue.size() >= 1)
{
log<level::INFO>("Asserting SMS Attention");
std::string IPMI_PATH("/org/openbmc/HostIpmi/1");
std::string IPMI_INTERFACE("org.openbmc.HostIpmi");
auto host = ::ipmi::getService(this->bus,IPMI_INTERFACE,IPMI_PATH);
// Start the timer for this transaction
auto time = std::chrono::duration_cast<std::chrono::microseconds>(
std::chrono::seconds(IPMI_SMS_ATN_ACK_TIMEOUT_SECS));
auto r = timer.startTimer(time);
if (r < 0)
{
log<level::ERR>("Error starting timer for control host");
return;
}
auto method = this->bus.new_method_call(host.c_str(),
IPMI_PATH.c_str(),
IPMI_INTERFACE.c_str(),
"setAttention");
auto reply = this->bus.call(method);
if (reply.is_method_error())
{
log<level::ERR>("Error in setting SMS attention");
elog<InternalFailure>();
}
log<level::INFO>("SMS Attention asserted");
}
}
// Called by specific implementations that provide commands
void Manager::execute(CommandHandler command)
{
log<level::INFO>("Pushing cmd on to queue",
entry("COMMAND=%d", std::get<0>(command).first));
this->workQueue.emplace(command);
// Alert host if this is only command in queue otherwise host will
// be notified of next message after processing the current one
if (this->workQueue.size() == 1)
{
this->checkQueueAndAlertHost();
}
else
{
log<level::INFO>("Command in process, no attention");
}
return;
}
} // namespace command
} // namespace host
} // namepsace phosphor