blob: a2f4fce7f73b5a41c0aed0359d6803d6f7220be7 [file] [log] [blame]
#include "config.h"
#include "oemhandler.hpp"
#include "elog-errors.hpp"
#include <endian.h>
#include <ipmid/api.h>
#include <stdio.h>
#include <string.h>
#include <systemd/sd-bus.h>
#include <fstream>
#include <functional>
#include <host-interface.hpp>
#include <ipmid-host/cmd.hpp>
#include <memory>
#include <org/open_power/Host/error.hpp>
#include <org/open_power/OCC/Metrics/error.hpp>
#include <sdbusplus/bus.hpp>
#include <sdbusplus/exception.hpp>
void register_netfn_ibm_oem_commands() __attribute__((constructor));
const char* g_esel_path = "/tmp/esel";
uint16_t g_record_id = 0x0001;
using namespace phosphor::logging;
constexpr auto occMetricsType = 0xDD;
extern const ObjectIDMap invSensors;
const std::map<uint8_t, Entry::Level> severityMap{
{0x10, Entry::Level::Warning}, // Recoverable error
{0x20, Entry::Level::Warning}, // Predictive error
{0x40, Entry::Level::Error}, // Unrecoverable error
{0x50, Entry::Level::Error}, // Critical error
{0x60, Entry::Level::Error}, // Error from a diagnostic test
{0x70, Entry::Level::Warning}, // Recoverable symptom
{0xFF, Entry::Level::Error}, // Unknown error
};
Entry::Level mapSeverity(const std::string& eSELData)
{
constexpr size_t severityOffset = 0x4A;
if (eSELData.size() > severityOffset)
{
// Dive in to the IBM log to find the severity
uint8_t sev = 0xF0 & eSELData[severityOffset];
auto find = severityMap.find(sev);
if (find != severityMap.end())
{
return find->second;
}
}
// Default to Entry::Level::Error if a matching is not found.
return Entry::Level::Error;
}
std::string mapCalloutAssociation(const std::string& eSELData)
{
auto rec = reinterpret_cast<const SELEventRecord*>(&eSELData[0]);
uint8_t sensor = rec->sensorNum;
/*
* Search the sensor number to inventory path mapping to figure out the
* inventory associated with the ESEL.
*/
auto found = std::find_if(invSensors.begin(), invSensors.end(),
[&sensor](const auto& iter) {
return (iter.second.sensorID == sensor);
});
if (found != invSensors.end())
{
return found->first;
}
return {};
}
std::string getService(sdbusplus::bus::bus& bus, const std::string& path,
const std::string& interface)
{
auto method = bus.new_method_call(MAPPER_BUS_NAME, MAPPER_OBJ, MAPPER_IFACE,
"GetObject");
method.append(path);
method.append(std::vector<std::string>({interface}));
std::map<std::string, std::vector<std::string>> response;
try
{
auto reply = bus.call(method);
reply.read(response);
if (response.empty())
{
log<level::ERR>("Error in mapper response for getting service name",
entry("PATH=%s", path.c_str()),
entry("INTERFACE=%s", interface.c_str()));
return std::string{};
}
}
catch (const sdbusplus::exception::exception& e)
{
log<level::ERR>("Error in mapper method call",
entry("ERROR=%s", e.what()));
return std::string{};
}
return response.begin()->first;
}
std::string readESEL(const char* fileName)
{
std::string content{};
std::ifstream handle(fileName);
if (handle.fail())
{
log<level::ERR>("Failed to open eSEL", entry("FILENAME=%s", fileName));
return content;
}
handle.seekg(0, std::ios::end);
content.resize(handle.tellg());
handle.seekg(0, std::ios::beg);
handle.read(&content[0], content.size());
handle.close();
return content;
}
void createOCCLogEntry(const std::string& eSELData)
{
// Each byte in eSEL is formatted as %02x with a space between bytes and
// insert '/0' at the end of the character array.
constexpr auto byteSeperator = 3;
std::unique_ptr<char[]> data(
new char[(eSELData.size() * byteSeperator) + 1]());
for (size_t i = 0; i < eSELData.size(); i++)
{
sprintf(&data[i * byteSeperator], "%02x ", eSELData[i]);
}
data[eSELData.size() * byteSeperator] = '\0';
using error = sdbusplus::org::open_power::OCC::Metrics::Error::Event;
using metadata = org::open_power::OCC::Metrics::Event;
report<error>(metadata::ESEL(data.get()));
}
void createHostEntry(const std::string& eSELData)
{
// Each byte in eSEL is formatted as %02x with a space between bytes and
// insert '/0' at the end of the character array.
constexpr auto byteSeperator = 3;
auto sev = mapSeverity(eSELData);
auto inventoryPath = mapCalloutAssociation(eSELData);
if (!inventoryPath.empty())
{
std::unique_ptr<char[]> data(
new char[(eSELData.size() * byteSeperator) + 1]());
for (size_t i = 0; i < eSELData.size(); i++)
{
sprintf(&data[i * byteSeperator], "%02x ", eSELData[i]);
}
data[eSELData.size() * byteSeperator] = '\0';
using hosterror = sdbusplus::org::open_power::Host::Error::Event;
using hostmetadata = org::open_power::Host::Event;
report<hosterror>(
sev, hostmetadata::ESEL(data.get()),
hostmetadata::CALLOUT_INVENTORY_PATH(inventoryPath.c_str()));
}
}
///////////////////////////////////////////////////////////////////////////////
// For the First partial add eSEL the SEL Record ID and offset
// value should be 0x0000. The extended data needs to be in
// the form of an IPMI SEL Event Record, with Event sensor type
// of 0xDF and Event Message format of 0x04. The returned
// Record ID should be used for all partial eSEL adds.
//
// This function creates a /tmp/esel file to store the
// incoming partial esel. It is the role of some other
// function to commit the error log in to long term
// storage. Likely via the ipmi add_sel command.
///////////////////////////////////////////////////////////////////////////////
ipmi_ret_t ipmi_ibm_oem_partial_esel(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request,
ipmi_response_t response,
ipmi_data_len_t data_len,
ipmi_context_t context)
{
uint8_t* reqptr = (uint8_t*)request;
esel_request_t esel_req;
FILE* fp;
int r = 0;
uint8_t rlen;
ipmi_ret_t rc = IPMI_CC_OK;
const char* pio;
esel_req.resid = le16toh((((uint16_t)reqptr[1]) << 8) + reqptr[0]);
esel_req.selrecord = le16toh((((uint16_t)reqptr[3]) << 8) + reqptr[2]);
esel_req.offset = le16toh((((uint16_t)reqptr[5]) << 8) + reqptr[4]);
esel_req.progress = reqptr[6];
// According to IPMI spec, Reservation ID must be checked.
if (!checkSELReservation(esel_req.resid))
{
// 0xc5 means Reservation Cancelled or Invalid Reservation ID.
printf("Used Reservation ID = %d\n", esel_req.resid);
rc = IPMI_CC_INVALID_RESERVATION_ID;
// clean g_esel_path.
r = remove(g_esel_path);
if (r < 0)
fprintf(stderr, "Error deleting %s\n", g_esel_path);
return rc;
}
// OpenPOWER Host Interface spec says if RecordID and Offset are
// 0 then then this is a new request
if (!esel_req.selrecord && !esel_req.offset)
pio = "wb";
else
pio = "rb+";
rlen = (*data_len) - (uint8_t)(sizeof(esel_request_t));
if ((fp = fopen(g_esel_path, pio)) != NULL)
{
fseek(fp, esel_req.offset, SEEK_SET);
fwrite(reqptr + (uint8_t)(sizeof(esel_request_t)), rlen, 1, fp);
fclose(fp);
*data_len = sizeof(g_record_id);
memcpy(response, &g_record_id, *data_len);
}
else
{
fprintf(stderr, "Error trying to perform %s for esel%s\n", pio,
g_esel_path);
rc = IPMI_CC_INVALID;
*data_len = 0;
}
// The first bit presents that this is the last partial packet
// coming down. If that is the case advance the record id so we
// don't overlap logs. This allows anyone to establish a log
// directory system.
if (esel_req.progress & 1)
{
g_record_id++;
auto eSELData = readESEL(g_esel_path);
if (eSELData.empty())
{
return IPMI_CC_UNSPECIFIED_ERROR;
}
// If the eSEL record type is OCC metrics, then create the OCC log
// entry.
if (eSELData[2] == occMetricsType)
{
createOCCLogEntry(eSELData);
}
else
{
createHostEntry(eSELData);
}
}
return rc;
}
// Prepare for FW Update.
// Execute needed commands to prepare the system for a fw update from the host.
ipmi_ret_t ipmi_ibm_oem_prep_fw_update(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request,
ipmi_response_t response,
ipmi_data_len_t data_len,
ipmi_context_t context)
{
ipmi_ret_t ipmi_rc = IPMI_CC_OK;
*data_len = 0;
int rc = 0;
std::ofstream rwfs_file;
const char* busname = "org.openbmc.control.Bmc";
const char* objname = "/org/openbmc/control/bmc0";
const char* iface = "org.openbmc.control.Bmc";
sd_bus* bus = ipmid_get_sd_bus_connection();
sd_bus_message* reply = NULL;
sd_bus_error error = SD_BUS_ERROR_NULL;
int r = 0;
// Set one time flag
rc = system(
"fw_setenv openbmconce copy-files-to-ram copy-base-filesystem-to-ram");
rc = WEXITSTATUS(rc);
if (rc != 0)
{
fprintf(stderr, "fw_setenv openbmconce failed with rc=%d\n", rc);
return IPMI_CC_UNSPECIFIED_ERROR;
}
// Touch the image-rwfs file to perform an empty update to force the save
// in case we're already in ram and the flash is the same causing the ram
// files to not be copied back to flash
rwfs_file.open("/run/initramfs/image-rwfs",
std::ofstream::out | std::ofstream::app);
rwfs_file.close();
// Reboot the BMC for settings to take effect
r = sd_bus_call_method(bus, busname, objname, iface, "warmReset", &error,
&reply, NULL);
if (r < 0)
{
fprintf(stderr, "Failed to reset BMC: %s\n", strerror(-r));
return -1;
}
printf("Warning: BMC is going down for reboot!\n");
sd_bus_error_free(&error);
reply = sd_bus_message_unref(reply);
return ipmi_rc;
}
ipmi_ret_t ipmi_ibm_oem_bmc_factory_reset(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request,
ipmi_response_t response,
ipmi_data_len_t data_len,
ipmi_context_t context)
{
sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
// Since this is a one way command (i.e. the host is requesting a power
// off of itself and a reboot of the BMC) we can exceed the 5 second
// IPMI timeout. Testing has shown that the power off can take up to
// 10 seconds so give it at least 15
constexpr auto powerOffWait = std::chrono::seconds(15);
constexpr auto setFactoryWait = std::chrono::seconds(3);
// Power Off Chassis
auto service = getService(bus, stateChassisPath, stateChassisIntf);
if (service.empty())
{
return IPMI_CC_UNSPECIFIED_ERROR;
}
std::variant<std::string> off =
"xyz.openbmc_project.State.Chassis.Transition.Off";
auto method = bus.new_method_call(service.c_str(), stateChassisPath,
propertiesIntf, "Set");
method.append(stateChassisIntf, "RequestedPowerTransition", off);
try
{
bus.call_noreply(method);
}
catch (const sdbusplus::exception::exception& e)
{
log<level::ERR>("Error powering off the chassis",
entry("ERROR=%s", e.what()));
return IPMI_CC_UNSPECIFIED_ERROR;
}
// Wait a few seconds for the chassis to power off
std::this_thread::sleep_for(powerOffWait);
// Set Factory Reset
method = bus.new_method_call(bmcUpdaterServiceName, softwarePath,
factoryResetIntf, "Reset");
try
{
bus.call_noreply(method);
}
catch (const sdbusplus::exception::exception& e)
{
log<level::ERR>("Error setting factory reset",
entry("ERROR=%s", e.what()));
return IPMI_CC_UNSPECIFIED_ERROR;
}
// Wait a few seconds for service that sets the reset env variable to
// complete before the BMC is rebooted
std::this_thread::sleep_for(setFactoryWait);
// Reboot BMC
service = getService(bus, stateBmcPath, stateBmcIntf);
if (service.empty())
{
log<level::ALERT>("Error getting the service name to reboot the BMC. "
"The BMC needs to be manually rebooted to complete "
"the factory reset.");
return IPMI_CC_UNSPECIFIED_ERROR;
}
std::variant<std::string> reboot =
"xyz.openbmc_project.State.BMC.Transition.Reboot";
method = bus.new_method_call(service.c_str(), stateBmcPath, propertiesIntf,
"Set");
method.append(stateBmcIntf, "RequestedBMCTransition", reboot);
try
{
bus.call_noreply(method);
}
catch (const sdbusplus::exception::exception& e)
{
log<level::ALERT>("Error calling to reboot the BMC. The BMC needs to "
"be manually rebooted to complete the factory reset.",
entry("ERROR=%s", e.what()));
return IPMI_CC_UNSPECIFIED_ERROR;
}
return IPMI_CC_OK;
}
namespace
{
// Storage to keep the object alive during process life
std::unique_ptr<open_power::host::command::Host> opHost
__attribute__((init_priority(101)));
std::unique_ptr<sdbusplus::server::manager::manager> objManager
__attribute__((init_priority(101)));
} // namespace
void register_netfn_ibm_oem_commands()
{
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n", NETFUN_IBM_OEM,
IPMI_CMD_PESEL);
ipmi_register_callback(NETFUN_IBM_OEM, IPMI_CMD_PESEL, NULL,
ipmi_ibm_oem_partial_esel, SYSTEM_INTERFACE);
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n", NETFUN_OEM,
IPMI_CMD_PREP_FW_UPDATE);
ipmi_register_callback(NETFUN_OEM, IPMI_CMD_PREP_FW_UPDATE, NULL,
ipmi_ibm_oem_prep_fw_update, SYSTEM_INTERFACE);
ipmi_register_callback(NETFUN_IBM_OEM, IPMI_CMD_BMC_FACTORY_RESET, NULL,
ipmi_ibm_oem_bmc_factory_reset, SYSTEM_INTERFACE);
// Create new object on the bus
auto objPath = std::string{CONTROL_HOST_OBJ_MGR} + '/' + HOST_NAME + '0';
// Add sdbusplus ObjectManager.
auto& sdbusPlusHandler = ipmid_get_sdbus_plus_handler();
objManager = std::make_unique<sdbusplus::server::manager::manager>(
*sdbusPlusHandler, CONTROL_HOST_OBJ_MGR);
opHost = std::make_unique<open_power::host::command::Host>(
*sdbusPlusHandler, objPath.c_str());
// Service for this is provided by phosphor layer systemcmdintf
// and this will be as part of that.
return;
}