test/resolution_test.cpp

#include <stdio.h>

#include <analyzer/resolution.hpp>

#include "gtest/gtest.h"

// Chip string
constexpr auto chip_str = "/proc0";

// Unit paths
constexpr auto proc_str = "";
constexpr auto omi_str  = "pib/perv12/mc0/mi0/mcc0/omi0";
constexpr auto core_str = "pib/perv39/eq7/fc1/core1";

// Local implementation of this function.
namespace analyzer
{

//------------------------------------------------------------------------------

// Helper function to get the root cause chip target path from the service data.
std::string __getRootCauseChipPath(const ServiceData& i_sd)
{
    return std::string{(const char*)i_sd.getRootCause().getChip().getChip()};
}

//------------------------------------------------------------------------------

// Helper function to get a unit target path from the given unit path, which is
// a devtree path relative the the containing chip. An empty string indicates
// the chip target path should be returned.
std::string __getUnitPath(const std::string& i_chipPath,
                          const std::string& i_unitPath)
{
    auto path = i_chipPath; // default, if i_unitPath is empty

    if (!i_unitPath.empty())
    {
        path += "/" + i_unitPath;
    }

    return path;
}

//------------------------------------------------------------------------------

void HardwareCalloutResolution::resolve(ServiceData& io_sd) const
{
    // Get the location code and entity path for this target.
    auto locCode    = __getRootCauseChipPath(io_sd);
    auto entityPath = __getUnitPath(locCode, iv_unitPath);

    // Add the actual callout to the service data.
    nlohmann::json callout;
    callout["LocationCode"] = locCode;
    callout["Priority"]     = iv_priority.getUserDataString();
    io_sd.addCallout(callout);

    // Add the guard info to the service data.
    Guard guard = io_sd.addGuard(entityPath, iv_guard);

    // Add the callout FFDC to the service data.
    nlohmann::json ffdc;
    ffdc["Callout Type"] = "Hardware Callout";
    ffdc["Target"]       = entityPath;
    ffdc["Priority"]     = iv_priority.getRegistryString();
    ffdc["Guard Type"]   = guard.getString();
    io_sd.addCalloutFFDC(ffdc);
}

//------------------------------------------------------------------------------

void ProcedureCalloutResolution::resolve(ServiceData& io_sd) const
{
    // Add the actual callout to the service data.
    nlohmann::json callout;
    callout["Procedure"] = iv_procedure.getString();
    callout["Priority"]  = iv_priority.getUserDataString();
    io_sd.addCallout(callout);

    // Add the callout FFDC to the service data.
    nlohmann::json ffdc;
    ffdc["Callout Type"] = "Procedure Callout";
    ffdc["Procedure"]    = iv_procedure.getString();
    ffdc["Priority"]     = iv_priority.getRegistryString();
    io_sd.addCalloutFFDC(ffdc);
}

//------------------------------------------------------------------------------

void ClockCalloutResolution::resolve(ServiceData& io_sd) const
{
    // Add the callout to the service data.
    // TODO: For P10, the callout is simply the backplane. There isn't a devtree
    //       object for this, yet. So will need to hardcode the location code
    //       for now. In the future, we will need a mechanism to make this data
    //       driven.
    nlohmann::json callout;
    callout["LocationCode"] = "P0";
    callout["Priority"]     = iv_priority.getUserDataString();
    io_sd.addCallout(callout);

    // Add the guard info to the service data.
    // TODO: Still waiting for clock targets to be defined in the device tree.
    //       For get the processor path for the FFDC.
    // static const std::map<callout::ClockType, std::string> m = {
    //     {callout::ClockType::OSC_REF_CLOCK_0, ""},
    //     {callout::ClockType::OSC_REF_CLOCK_1, ""},
    // };
    // auto target = std::string{util::pdbg::getPath(m.at(iv_clockType))};
    // auto guardPath = util::pdbg::getPhysDevPath(target);
    // Guard guard = io_sd.addGuard(guardPath, iv_guard);
    auto guardPath = __getRootCauseChipPath(io_sd);

    // Add the callout FFDC to the service data.
    nlohmann::json ffdc;
    ffdc["Callout Type"] = "Clock Callout";
    ffdc["Clock Type"]   = iv_clockType.getString();
    ffdc["Target"]       = guardPath;
    ffdc["Priority"]     = iv_priority.getRegistryString();
    ffdc["Guard Type"]   = ""; // TODO: guard.getString();
    io_sd.addCalloutFFDC(ffdc);
}

//------------------------------------------------------------------------------

} // namespace analyzer

using namespace analyzer;

TEST(Resolution, TestSet1)
{
    // Create a few resolutions
    auto c1 = std::make_shared<HardwareCalloutResolution>(
        proc_str, callout::Priority::HIGH, false);

    auto c2 = std::make_shared<HardwareCalloutResolution>(
        omi_str, callout::Priority::MED_A, true);

    auto c3 = std::make_shared<HardwareCalloutResolution>(
        core_str, callout::Priority::MED, true);

    auto c4 = std::make_shared<ProcedureCalloutResolution>(
        callout::Procedure::NEXTLVL, callout::Priority::LOW);

    auto c5 = std::make_shared<ClockCalloutResolution>(
        callout::ClockType::OSC_REF_CLOCK_1, callout::Priority::LOW, false);

    // l1 = (c1, c2, c5)
    auto l1 = std::make_shared<ResolutionList>();
    l1->push(c1);
    l1->push(c2);
    l1->push(c5);

    // l2 = (c4, c3, c1, c2, c5)
    auto l2 = std::make_shared<ResolutionList>();
    l2->push(c4);
    l2->push(c3);
    l2->push(l1);

    // Get some ServiceData objects
    libhei::Chip chip{chip_str, 0xdeadbeef};
    libhei::Signature sig{chip, 0xabcd, 0, 0, libhei::ATTN_TYPE_CHECKSTOP};
    ServiceData sd1{sig, true};
    ServiceData sd2{sig, false};

    // Resolve
    l1->resolve(sd1);
    l2->resolve(sd2);

    // Start verifying
    nlohmann::json j{};
    std::string s{};

    j = sd1.getCalloutList();
    s = R"([
    {
        "LocationCode": "/proc0",
        "Priority": "H"
    },
    {
        "LocationCode": "/proc0",
        "Priority": "A"
    },
    {
        "LocationCode": "P0",
        "Priority": "L"
    }
])";
    EXPECT_EQ(s, j.dump(4));

    j = sd2.getCalloutList();
    s = R"([
    {
        "Priority": "L",
        "Procedure": "NEXTLVL"
    },
    {
        "LocationCode": "/proc0",
        "Priority": "M"
    },
    {
        "LocationCode": "/proc0",
        "Priority": "H"
    },
    {
        "LocationCode": "/proc0",
        "Priority": "A"
    },
    {
        "LocationCode": "P0",
        "Priority": "L"
    }
])";
    EXPECT_EQ(s, j.dump(4));
}

TEST(Resolution, HardwareCallout)
{
    auto c1 = std::make_shared<HardwareCalloutResolution>(
        omi_str, callout::Priority::MED_A, true);

    libhei::Chip chip{chip_str, 0xdeadbeef};
    libhei::Signature sig{chip, 0xabcd, 0, 0, libhei::ATTN_TYPE_CHECKSTOP};
    ServiceData sd{sig, true};

    c1->resolve(sd);

    nlohmann::json j{};
    std::string s{};

    // Callout list
    j = sd.getCalloutList();
    s = R"([
    {
        "LocationCode": "/proc0",
        "Priority": "A"
    }
])";
    EXPECT_EQ(s, j.dump(4));

    // Callout FFDC
    j = sd.getCalloutFFDC();
    s = R"([
    {
        "Callout Type": "Hardware Callout",
        "Guard Type": "FATAL",
        "Priority": "medium_group_A",
        "Target": "/proc0/pib/perv12/mc0/mi0/mcc0/omi0"
    }
])";
    EXPECT_EQ(s, j.dump(4));
}

TEST(Resolution, ClockCallout)
{
    auto c1 = std::make_shared<ClockCalloutResolution>(
        callout::ClockType::OSC_REF_CLOCK_1, callout::Priority::HIGH, false);

    libhei::Chip chip{chip_str, 0xdeadbeef};
    libhei::Signature sig{chip, 0xabcd, 0, 0, libhei::ATTN_TYPE_CHECKSTOP};
    ServiceData sd{sig, true};

    c1->resolve(sd);

    nlohmann::json j{};
    std::string s{};

    // Callout list
    j = sd.getCalloutList();
    s = R"([
    {
        "LocationCode": "P0",
        "Priority": "H"
    }
])";
    EXPECT_EQ(s, j.dump(4));

    // Callout FFDC
    j = sd.getCalloutFFDC();
    s = R"([
    {
        "Callout Type": "Clock Callout",
        "Clock Type": "OSC_REF_CLOCK_1",
        "Guard Type": "",
        "Priority": "high",
        "Target": "/proc0"
    }
])";
    EXPECT_EQ(s, j.dump(4));
}

TEST(Resolution, ProcedureCallout)
{
    auto c1 = std::make_shared<ProcedureCalloutResolution>(
        callout::Procedure::NEXTLVL, callout::Priority::LOW);

    libhei::Chip chip{chip_str, 0xdeadbeef};
    libhei::Signature sig{chip, 0xabcd, 0, 0, libhei::ATTN_TYPE_CHECKSTOP};
    ServiceData sd{sig, true};

    c1->resolve(sd);

    nlohmann::json j{};
    std::string s{};

    // Callout list
    j = sd.getCalloutList();
    s = R"([
    {
        "Priority": "L",
        "Procedure": "NEXTLVL"
    }
])";
    EXPECT_EQ(s, j.dump(4));

    // Callout FFDC
    j = sd.getCalloutFFDC();
    s = R"([
    {
        "Callout Type": "Procedure Callout",
        "Priority": "low",
        "Procedure": "NEXTLVL"
    }
])";
    EXPECT_EQ(s, j.dump(4));
}