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ucd90320_device_tests.cpp
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/**
* Copyright © 2024 IBM Corporation
*
* 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 "mock_pmbus.hpp"
#include "mock_services.hpp"
#include "pmbus.hpp"
#include "rail.hpp"
#include "services.hpp"
#include "ucd90320_device.hpp"
#include <cstdint>
#include <map>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
using namespace phosphor::power::sequencer;
using namespace phosphor::pmbus;
using ::testing::Return;
/**
* Creates a Rail object that checks for a pgood fault using a GPIO.
*
* @param name Unique name for the rail
* @param gpio GPIO line to read to determine the pgood status of the rail
* @return Rail object
*/
static std::unique_ptr<Rail> createRail(const std::string& name,
unsigned int gpioLine)
{
std::optional<std::string> presence{};
std::optional<uint8_t> page{};
bool isPowerSupplyRail{false};
bool checkStatusVout{false};
bool compareVoltageToLimit{false};
bool activeLow{false};
std::optional<GPIO> gpio{GPIO{gpioLine, activeLow}};
return std::make_unique<Rail>(name, presence, page, isPowerSupplyRail,
checkStatusVout, compareVoltageToLimit, gpio);
}
TEST(UCD90320DeviceTests, Constructor)
{
MockServices services;
std::vector<std::unique_ptr<Rail>> rails;
rails.emplace_back(createRail("VDD", 5));
rails.emplace_back(createRail("VIO", 7));
uint8_t bus{3};
uint16_t address{0x72};
UCD90320Device device{std::move(rails), services, bus, address};
EXPECT_EQ(device.getName(), "UCD90320");
EXPECT_EQ(device.getRails().size(), 2);
EXPECT_EQ(device.getRails()[0]->getName(), "VDD");
EXPECT_EQ(device.getRails()[1]->getName(), "VIO");
EXPECT_EQ(device.getBus(), bus);
EXPECT_EQ(device.getAddress(), address);
EXPECT_EQ(device.getDriverName(), "ucd9000");
EXPECT_EQ(device.getInstance(), 0);
EXPECT_NE(&(device.getPMBusInterface()), nullptr);
}
TEST(UCD90320DeviceTests, StoreGPIOValues)
{
// This is a protected method and cannot be called directly from a gtest.
// Call findPgoodFault() which calls storeGPIOValues().
// Test where works
{
std::vector<int> gpioValues{
1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, // MAR01-12
1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, // MAR13-24
1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, // EN1-12
1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, // EN13-24
1, 1, 0, 0, 1, 1, 1, 0, // EN25-32
1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, // LGP01-12
1, 1, 0, 0, // LGP13-16
1, 0, 0, 1, 1, 1, 0, 0, // DMON1-8
1, 0, 0, 1 // GPIO1-4
};
MockServices services;
EXPECT_CALL(services, getGPIOValues("ucd90320"))
.Times(1)
.WillOnce(Return(gpioValues));
EXPECT_CALL(services, logInfoMsg("Device UCD90320 GPIO values:"))
.Times(1);
EXPECT_CALL(services, logInfoMsg("MAR01-24: ["
"1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, "
"1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0]"))
.Times(1);
EXPECT_CALL(services, logInfoMsg("EN1-32: ["
"1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, "
"1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, "
"1, 1, 0, 0, 1, 1, 1, 0]"))
.Times(1);
EXPECT_CALL(services, logInfoMsg("LGP01-16: ["
"1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, "
"1, 1, 0, 0]"))
.Times(1);
EXPECT_CALL(services, logInfoMsg("DMON1-8: ["
"1, 0, 0, 1, 1, 1, 0, 0]"))
.Times(1);
EXPECT_CALL(services, logInfoMsg("GPIO1-4: ["
"1, 0, 0, 1]"))
.Times(1);
EXPECT_CALL(services,
logInfoMsg("Device UCD90320 MFR_STATUS: 0x123456789abc"))
.Times(1);
EXPECT_CALL(
services,
logErrorMsg(
"Pgood fault found in rail monitored by device UCD90320"))
.Times(1);
EXPECT_CALL(services, logErrorMsg("Pgood fault detected in rail VDD"))
.Times(1);
EXPECT_CALL(
services,
logErrorMsg(
"Rail VDD pgood GPIO line offset 2 has inactive value 0"))
.Times(1);
std::vector<std::unique_ptr<Rail>> rails;
rails.emplace_back(createRail("VDD", 2));
uint8_t bus{3};
uint16_t address{0x72};
UCD90320Device device{std::move(rails), services, bus, address};
MockPMBus& pmbus = static_cast<MockPMBus&>(device.getPMBusInterface());
EXPECT_CALL(pmbus, getPath(Type::Hwmon))
.Times(1)
.WillOnce(Return("/tmp"));
EXPECT_CALL(pmbus, read("mfr_status", Type::HwmonDeviceDebug, true))
.Times(1)
.WillOnce(Return(0x123456789abcull));
// Call findPgoodFault() which calls storeGPIOValues()
std::string powerSupplyError{};
std::map<std::string, std::string> additionalData{};
std::string error =
device.findPgoodFault(services, powerSupplyError, additionalData);
EXPECT_EQ(error,
"xyz.openbmc_project.Power.Error.PowerSequencerVoltageFault");
EXPECT_EQ(additionalData.size(), 10);
EXPECT_EQ(additionalData["MFR_STATUS"], "0x123456789abc");
EXPECT_EQ(additionalData["DEVICE_NAME"], "UCD90320");
EXPECT_EQ(additionalData["MAR01_24_GPIO_VALUES"],
"[1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, "
"1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0]");
EXPECT_EQ(additionalData["EN1_32_GPIO_VALUES"],
"[1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, "
"1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, "
"1, 1, 0, 0, 1, 1, 1, 0]");
EXPECT_EQ(additionalData["LGP01_16_GPIO_VALUES"],
"[1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, "
"1, 1, 0, 0]");
EXPECT_EQ(additionalData["DMON1_8_GPIO_VALUES"],
"[1, 0, 0, 1, 1, 1, 0, 0]");
EXPECT_EQ(additionalData["GPIO1_4_GPIO_VALUES"], "[1, 0, 0, 1]");
EXPECT_EQ(additionalData["RAIL_NAME"], "VDD");
EXPECT_EQ(additionalData["GPIO_LINE"], "2");
EXPECT_EQ(additionalData["GPIO_VALUE"], "0");
}
// Test where there are the wrong number of GPIOs (83 instead of 84)
{
std::vector<int> gpioValues{
1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, // MAR01-12
1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, // MAR13-24
1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, // EN1-12
1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, // EN13-24
1, 1, 0, 0, 1, 1, 1, 0, // EN25-32
1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, // LGP01-12
1, 1, 0, 0, // LGP13-16
1, 0, 0, 1, 1, 1, 0, 0, // DMON1-8
1, 0, 0 // GPIO1-4 (1 missing)
};
MockServices services;
EXPECT_CALL(services, getGPIOValues("ucd90320"))
.Times(1)
.WillOnce(Return(gpioValues));
EXPECT_CALL(services,
logInfoMsg("Device UCD90320 GPIO values: ["
"1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, "
"1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, "
"1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, "
"1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, "
"1, 1, 0, 0, 1, 1, 1, 0, "
"1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, "
"1, 1, 0, 0, "
"1, 0, 0, 1, 1, 1, 0, 0, "
"1, 0, 0]"))
.Times(1);
EXPECT_CALL(services,
logInfoMsg("Device UCD90320 MFR_STATUS: 0x123456789abc"))
.Times(1);
EXPECT_CALL(
services,
logErrorMsg(
"Pgood fault found in rail monitored by device UCD90320"))
.Times(1);
EXPECT_CALL(services, logErrorMsg("Pgood fault detected in rail VDD"))
.Times(1);
EXPECT_CALL(
services,
logErrorMsg(
"Rail VDD pgood GPIO line offset 2 has inactive value 0"))
.Times(1);
std::vector<std::unique_ptr<Rail>> rails;
rails.emplace_back(createRail("VDD", 2));
uint8_t bus{3};
uint16_t address{0x72};
UCD90320Device device{std::move(rails), services, bus, address};
MockPMBus& pmbus = static_cast<MockPMBus&>(device.getPMBusInterface());
EXPECT_CALL(pmbus, getPath(Type::Hwmon))
.Times(1)
.WillOnce(Return("/tmp"));
EXPECT_CALL(pmbus, read("mfr_status", Type::HwmonDeviceDebug, true))
.Times(1)
.WillOnce(Return(0x123456789abcull));
// Call findPgoodFault() which calls storeGPIOValues()
std::string powerSupplyError{};
std::map<std::string, std::string> additionalData{};
std::string error =
device.findPgoodFault(services, powerSupplyError, additionalData);
EXPECT_EQ(error,
"xyz.openbmc_project.Power.Error.PowerSequencerVoltageFault");
EXPECT_EQ(additionalData.size(), 6);
EXPECT_EQ(additionalData["MFR_STATUS"], "0x123456789abc");
EXPECT_EQ(additionalData["DEVICE_NAME"], "UCD90320");
EXPECT_EQ(additionalData["GPIO_VALUES"],
"[1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, "
"1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, "
"1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, "
"1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, "
"1, 1, 0, 0, 1, 1, 1, 0, "
"1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, "
"1, 1, 0, 0, "
"1, 0, 0, 1, 1, 1, 0, 0, "
"1, 0, 0]");
EXPECT_EQ(additionalData["RAIL_NAME"], "VDD");
EXPECT_EQ(additionalData["GPIO_LINE"], "2");
EXPECT_EQ(additionalData["GPIO_VALUE"], "0");
}
}