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ucd90160_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 "ucd90160_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(UCD90160DeviceTests, 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};
UCD90160Device device{std::move(rails), services, bus, address};
EXPECT_EQ(device.getName(), "UCD90160");
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(UCD90160DeviceTests, 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, // group 1 in journal
1, 1, 0, 0, // group 2 in journal
1, 0, 1, 1, // group 3 in journal
0, 0, 1, 1, // group 4 in journal
1, 0, 0, 0, // group 5 in journal
1, 0, 0, 1, // group 6 in journal
1, 1 // group 7 in journal
};
MockServices services;
EXPECT_CALL(services, getGPIOValues("ucd90160"))
.Times(1)
.WillOnce(Return(gpioValues));
EXPECT_CALL(services, logInfoMsg("Device UCD90160 GPIO values:"))
.Times(1);
EXPECT_CALL(services,
logInfoMsg(
"[FPWM1_GPIO5, FPWM2_GPIO6, FPWM3_GPIO7, FPWM4_GPIO8]: "
"[1, 0, 0, 1]"))
.Times(1);
EXPECT_CALL(
services,
logInfoMsg(
"[FPWM5_GPIO9, FPWM6_GPIO10, FPWM7_GPIO11, FPWM8_GPIO12]: "
"[1, 1, 0, 0]"))
.Times(1);
EXPECT_CALL(services,
logInfoMsg("[GPI1_PWM1, GPI2_PWM2, GPI3_PWM3, GPI4_PWM4]: "
"[1, 0, 1, 1]"))
.Times(1);
EXPECT_CALL(services,
logInfoMsg("[GPIO14, GPIO15, TDO_GPIO20, TCK_GPIO19]: "
"[0, 0, 1, 1]"))
.Times(1);
EXPECT_CALL(services,
logInfoMsg("[TMS_GPIO22, TDI_GPIO21, GPIO1, GPIO2]: "
"[1, 0, 0, 0]"))
.Times(1);
EXPECT_CALL(services, logInfoMsg("[GPIO3, GPIO4, GPIO13, GPIO16]: "
"[1, 0, 0, 1]"))
.Times(1);
EXPECT_CALL(services, logInfoMsg("[GPIO17, GPIO18]: "
"[1, 1]"))
.Times(1);
EXPECT_CALL(services,
logInfoMsg("Device UCD90160 MFR_STATUS: 0x123456789abc"))
.Times(1);
EXPECT_CALL(
services,
logErrorMsg(
"Pgood fault found in rail monitored by device UCD90160"))
.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};
UCD90160Device 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(), 31);
EXPECT_EQ(additionalData["MFR_STATUS"], "0x123456789abc");
EXPECT_EQ(additionalData["DEVICE_NAME"], "UCD90160");
EXPECT_EQ(additionalData["FPWM1_GPIO5"], "1");
EXPECT_EQ(additionalData["FPWM2_GPIO6"], "0");
EXPECT_EQ(additionalData["FPWM3_GPIO7"], "0");
EXPECT_EQ(additionalData["FPWM4_GPIO8"], "1");
EXPECT_EQ(additionalData["FPWM5_GPIO9"], "1");
EXPECT_EQ(additionalData["FPWM6_GPIO10"], "1");
EXPECT_EQ(additionalData["FPWM7_GPIO11"], "0");
EXPECT_EQ(additionalData["FPWM8_GPIO12"], "0");
EXPECT_EQ(additionalData["GPI1_PWM1"], "1");
EXPECT_EQ(additionalData["GPI2_PWM2"], "0");
EXPECT_EQ(additionalData["GPI3_PWM3"], "1");
EXPECT_EQ(additionalData["GPI4_PWM4"], "1");
EXPECT_EQ(additionalData["GPIO14"], "0");
EXPECT_EQ(additionalData["GPIO15"], "0");
EXPECT_EQ(additionalData["TDO_GPIO20"], "1");
EXPECT_EQ(additionalData["TCK_GPIO19"], "1");
EXPECT_EQ(additionalData["TMS_GPIO22"], "1");
EXPECT_EQ(additionalData["TDI_GPIO21"], "0");
EXPECT_EQ(additionalData["GPIO1"], "0");
EXPECT_EQ(additionalData["GPIO2"], "0");
EXPECT_EQ(additionalData["GPIO3"], "1");
EXPECT_EQ(additionalData["GPIO4"], "0");
EXPECT_EQ(additionalData["GPIO13"], "0");
EXPECT_EQ(additionalData["GPIO16"], "1");
EXPECT_EQ(additionalData["GPIO17"], "1");
EXPECT_EQ(additionalData["GPIO18"], "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 (27 instead of 26)
{
std::vector<int> gpioValues{
1, 0, 0, 1, // group 1 in journal
1, 1, 0, 0, // group 2 in journal
1, 0, 1, 1, // group 3 in journal
0, 0, 1, 1, // group 4 in journal
1, 0, 0, 0, // group 5 in journal
1, 0, 0, 1, // group 6 in journal
1, 1, 0 // group 7 in journal + extra value
};
MockServices services;
EXPECT_CALL(services, getGPIOValues("ucd90160"))
.Times(1)
.WillOnce(Return(gpioValues));
EXPECT_CALL(services,
logInfoMsg("Device UCD90160 GPIO values: ["
"1, 0, 0, 1, "
"1, 1, 0, 0, "
"1, 0, 1, 1, "
"0, 0, 1, 1, "
"1, 0, 0, 0, "
"1, 0, 0, 1, "
"1, 1, 0]"))
.Times(1);
EXPECT_CALL(services,
logInfoMsg("Device UCD90160 MFR_STATUS: 0x123456789abc"))
.Times(1);
EXPECT_CALL(
services,
logErrorMsg(
"Pgood fault found in rail monitored by device UCD90160"))
.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};
UCD90160Device 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"], "UCD90160");
EXPECT_EQ(additionalData["GPIO_VALUES"],
"[1, 0, 0, 1, "
"1, 1, 0, 0, "
"1, 0, 1, 1, "
"0, 0, 1, 1, "
"1, 0, 0, 0, "
"1, 0, 0, 1, "
"1, 1, 0]");
EXPECT_EQ(additionalData["RAIL_NAME"], "VDD");
EXPECT_EQ(additionalData["GPIO_LINE"], "2");
EXPECT_EQ(additionalData["GPIO_VALUE"], "0");
}
}