Merge changes from topic "lshal_improve"

* changes:
  lshal: arch unknown => ?
  lshal: Add VINTF column
  lshal: refactor: Use vintf::Arch instead of enum Architecture
  lshal: refactor: Use vintf::Transport instead of string
  lshal: Released column is now Y/N/?
diff --git a/cmds/lshal/ListCommand.cpp b/cmds/lshal/ListCommand.cpp
index c99b863..c0e1a35 100644
--- a/cmds/lshal/ListCommand.cpp
+++ b/cmds/lshal/ListCommand.cpp
@@ -126,6 +126,67 @@
     return process;
 }
 
+bool match(const vintf::ManifestInstance& instance, const FqInstance& fqInstance,
+           vintf::TransportArch ta) {
+    // For hwbinder libs, allow missing arch in manifest.
+    // For passthrough libs, allow missing interface/instance in table.
+    return (ta.transport == instance.transport()) &&
+            (ta.transport == vintf::Transport::HWBINDER ||
+             vintf::contains(instance.arch(), ta.arch)) &&
+            (!fqInstance.hasInterface() || fqInstance.getInterface() == instance.interface()) &&
+            (!fqInstance.hasInstance() || fqInstance.getInstance() == instance.instance());
+}
+
+bool match(const vintf::MatrixInstance& instance, const FqInstance& fqInstance,
+           vintf::TransportArch /* ta */) {
+    return (!fqInstance.hasInterface() || fqInstance.getInterface() == instance.interface()) &&
+            (!fqInstance.hasInstance() || instance.matchInstance(fqInstance.getInstance()));
+}
+
+template <typename ObjectType>
+VintfInfo getVintfInfo(const std::shared_ptr<const ObjectType>& object,
+                       const FqInstance& fqInstance, vintf::TransportArch ta, VintfInfo value) {
+    bool found = false;
+    (void)object->forEachInstanceOfVersion(fqInstance.getPackage(), fqInstance.getVersion(),
+                                           [&](const auto& instance) {
+                                               found = match(instance, fqInstance, ta);
+                                               return !found; // continue if not found
+                                           });
+    return found ? value : VINTF_INFO_EMPTY;
+}
+
+std::shared_ptr<const vintf::HalManifest> ListCommand::getDeviceManifest() const {
+    return vintf::VintfObject::GetDeviceHalManifest();
+}
+
+std::shared_ptr<const vintf::CompatibilityMatrix> ListCommand::getDeviceMatrix() const {
+    return vintf::VintfObject::GetDeviceCompatibilityMatrix();
+}
+
+std::shared_ptr<const vintf::HalManifest> ListCommand::getFrameworkManifest() const {
+    return vintf::VintfObject::GetFrameworkHalManifest();
+}
+
+std::shared_ptr<const vintf::CompatibilityMatrix> ListCommand::getFrameworkMatrix() const {
+    return vintf::VintfObject::GetFrameworkCompatibilityMatrix();
+}
+
+VintfInfo ListCommand::getVintfInfo(const std::string& fqInstanceName,
+                                    vintf::TransportArch ta) const {
+    FqInstance fqInstance;
+    if (!fqInstance.setTo(fqInstanceName) &&
+        // Ignore interface / instance for passthrough libs
+        !fqInstance.setTo(splitFirst(fqInstanceName, ':').first)) {
+        err() << "Warning: Cannot parse '" << fqInstanceName << "'; no VINTF info." << std::endl;
+        return VINTF_INFO_EMPTY;
+    }
+
+    return lshal::getVintfInfo(getDeviceManifest(), fqInstance, ta, DEVICE_MANIFEST) |
+            lshal::getVintfInfo(getFrameworkManifest(), fqInstance, ta, FRAMEWORK_MANIFEST) |
+            lshal::getVintfInfo(getDeviceMatrix(), fqInstance, ta, DEVICE_MATRIX) |
+            lshal::getVintfInfo(getFrameworkMatrix(), fqInstance, ta, FRAMEWORK_MATRIX);
+}
+
 static bool scanBinderContext(pid_t pid,
         const std::string &contextName,
         std::function<void(const std::string&)> eachLine) {
@@ -269,6 +330,7 @@
         }
         for (TableEntry& entry : table) {
             entry.partition = getPartition(entry.serverPid);
+            entry.vintfInfo = getVintfInfo(entry.interfaceName, {entry.transport, entry.arch});
         }
     });
     // use a double for loop here because lshal doesn't care about efficiency.
@@ -279,7 +341,7 @@
             continue;
         }
         for (TableEntry &interfaceEntry : mPassthroughRefTable) {
-            if (interfaceEntry.arch != ARCH_UNKNOWN) {
+            if (interfaceEntry.arch != vintf::Arch::ARCH_EMPTY) {
                 continue;
             }
             FQName interfaceName;
@@ -330,35 +392,22 @@
         return true; // strip out instances that is in a different partition.
     }
 
-    vintf::Transport transport;
     vintf::Arch arch;
-    if (entry.transport == "hwbinder") {
-        transport = vintf::Transport::HWBINDER;
-        arch = vintf::Arch::ARCH_EMPTY;
-    } else if (entry.transport == "passthrough") {
-        transport = vintf::Transport::PASSTHROUGH;
-        switch (entry.arch) {
-            case lshal::ARCH32:
-                arch = vintf::Arch::ARCH_32;
-                break;
-            case lshal::ARCH64:
-                arch = vintf::Arch::ARCH_64;
-                break;
-            case lshal::ARCH_BOTH:
-                arch = vintf::Arch::ARCH_32_64;
-                break;
-            case lshal::ARCH_UNKNOWN: // fallthrough
-            default:
-                err() << "Warning: '" << entry.interfaceName << "' doesn't have bitness info.";
-                return false;
+    if (entry.transport == vintf::Transport::HWBINDER) {
+        arch = vintf::Arch::ARCH_EMPTY; // no need to specify arch in manifest
+    } else if (entry.transport == vintf::Transport::PASSTHROUGH) {
+        if (entry.arch == vintf::Arch::ARCH_EMPTY) {
+            err() << "Warning: '" << entry.interfaceName << "' doesn't have bitness info.";
+            return false;
         }
+        arch = entry.arch;
     } else {
         err() << "Warning: '" << entry.transport << "' is not a valid transport." << std::endl;
         return false;
     }
 
     std::string e;
-    if (!manifest->insertInstance(fqInstance, transport, arch, vintf::HalFormat::HIDL, &e)) {
+    if (!manifest->insertInstance(fqInstance, entry.transport, arch, vintf::HalFormat::HIDL, &e)) {
         err() << "Warning: Cannot insert '" << fqInstance.string() << ": " << e << std::endl;
         return false;
     }
@@ -440,15 +489,15 @@
     "       until they are updated.\n"
 };
 
-static Architecture fromBaseArchitecture(::android::hidl::base::V1_0::DebugInfo::Architecture a) {
+static vintf::Arch fromBaseArchitecture(::android::hidl::base::V1_0::DebugInfo::Architecture a) {
     switch (a) {
         case ::android::hidl::base::V1_0::DebugInfo::Architecture::IS_64BIT:
-            return ARCH64;
+            return vintf::Arch::ARCH_64;
         case ::android::hidl::base::V1_0::DebugInfo::Architecture::IS_32BIT:
-            return ARCH32;
+            return vintf::Arch::ARCH_32;
         case ::android::hidl::base::V1_0::DebugInfo::Architecture::UNKNOWN: // fallthrough
         default:
-            return ARCH_UNKNOWN;
+            return vintf::Arch::ARCH_EMPTY;
     }
 }
 
@@ -534,7 +583,7 @@
                     std::string{info.instanceName.c_str()};
             entries.emplace(interfaceName, TableEntry{
                 .interfaceName = interfaceName,
-                .transport = "passthrough",
+                .transport = vintf::Transport::PASSTHROUGH,
                 .clientPids = info.clientPids,
             }).first->second.arch |= fromBaseArchitecture(info.arch);
         }
@@ -566,7 +615,7 @@
                 .interfaceName =
                         std::string{info.interfaceName.c_str()} + "/" +
                         std::string{info.instanceName.c_str()},
-                .transport = "passthrough",
+                .transport = vintf::Transport::PASSTHROUGH,
                 .serverPid = info.clientPids.size() == 1 ? info.clientPids[0] : NO_PID,
                 .clientPids = info.clientPids,
                 .arch = fromBaseArchitecture(info.arch)
@@ -582,9 +631,11 @@
 }
 
 Status ListCommand::fetchBinderized(const sp<IServiceManager> &manager) {
+    using vintf::operator<<;
+
     if (!shouldReportHalType(HalType::BINDERIZED_SERVICES)) { return OK; }
 
-    const std::string mode = "hwbinder";
+    const vintf::Transport mode = vintf::Transport::HWBINDER;
     hidl_vec<hidl_string> fqInstanceNames;
     // copying out for timeoutIPC
     auto listRet = timeoutIPC(manager, &IServiceManager::list, [&] (const auto &names) {
@@ -748,7 +799,7 @@
     mOptions.push_back({'l', "released", no_argument, v++, [](ListCommand* thiz, const char*) {
         thiz->mSelectedColumns.push_back(TableColumnType::RELEASED);
         return OK;
-    }, "print the 'is released?' column\n(Y=released, empty=unreleased or unknown)"});
+    }, "print the 'is released?' column\n(Y=released, N=unreleased, ?=unknown)"});
     mOptions.push_back({'t', "transport", no_argument, v++, [](ListCommand* thiz, const char*) {
         thiz->mSelectedColumns.push_back(TableColumnType::TRANSPORT);
         return OK;
@@ -788,6 +839,15 @@
     }, "Emit debug info from\nIBase::debug with empty options. Cannot be used with --neat.\n"
         "Writes to specified file if 'arg' is provided, otherwise stdout."});
 
+    mOptions.push_back({'V', "vintf", no_argument, v++, [](ListCommand* thiz, const char*) {
+        thiz->mSelectedColumns.push_back(TableColumnType::VINTF);
+        return OK;
+    }, "print VINTF info. This column contains a comma-separated list of:\n"
+       "    - DM: device manifest\n"
+       "    - DC: device compatibility matrix\n"
+       "    - FM: framework manifest\n"
+       "    - FC: framework compatibility matrix"});
+
     // long options without short alternatives
     mOptions.push_back({'\0', "init-vintf", no_argument, v++, [](ListCommand* thiz, const char* arg) {
         thiz->mVintf = true;
diff --git a/cmds/lshal/ListCommand.h b/cmds/lshal/ListCommand.h
index c35561d..87d93b5 100644
--- a/cmds/lshal/ListCommand.h
+++ b/cmds/lshal/ListCommand.h
@@ -28,6 +28,7 @@
 #include <android/hidl/manager/1.0/IServiceManager.h>
 #include <hidl-util/FqInstance.h>
 #include <vintf/HalManifest.h>
+#include <vintf/VintfObject.h>
 
 #include "Command.h"
 #include "NullableOStream.h"
@@ -87,7 +88,9 @@
 
 protected:
     Status parseArgs(const Arg &arg);
+    // Retrieve first-hand information
     Status fetch();
+    // Retrieve derived information base on existing table
     virtual void postprocess();
     Status dump();
     void putEntry(TableEntrySource source, TableEntry &&entry);
@@ -122,6 +125,13 @@
     virtual Partition getPartition(pid_t pid);
     Partition resolvePartition(Partition processPartition, const FqInstance &fqInstance) const;
 
+    VintfInfo getVintfInfo(const std::string &fqInstanceName, vintf::TransportArch ta) const;
+    // Allow to mock these functions for testing.
+    virtual std::shared_ptr<const vintf::HalManifest> getDeviceManifest() const;
+    virtual std::shared_ptr<const vintf::CompatibilityMatrix> getDeviceMatrix() const;
+    virtual std::shared_ptr<const vintf::HalManifest> getFrameworkManifest() const;
+    virtual std::shared_ptr<const vintf::CompatibilityMatrix> getFrameworkMatrix() const;
+
     void forEachTable(const std::function<void(Table &)> &f);
     void forEachTable(const std::function<void(const Table &)> &f) const;
 
diff --git a/cmds/lshal/TableEntry.cpp b/cmds/lshal/TableEntry.cpp
index e8792a4..4ad3e92 100644
--- a/cmds/lshal/TableEntry.cpp
+++ b/cmds/lshal/TableEntry.cpp
@@ -16,7 +16,11 @@
 #define LOG_TAG "lshal"
 #include <android-base/logging.h>
 
+#include <map>
+
+#include <android-base/strings.h>
 #include <hidl-hash/Hash.h>
+#include <vintf/parse_string.h>
 
 #include "TableEntry.h"
 
@@ -26,19 +30,19 @@
 namespace android {
 namespace lshal {
 
-static const std::string &getArchString(Architecture arch) {
+static const std::string &getArchString(vintf::Arch arch) {
     static const std::string sStr64 = "64";
     static const std::string sStr32 = "32";
     static const std::string sStrBoth = "32+64";
-    static const std::string sStrUnknown = "";
+    static const std::string sStrUnknown = "?";
     switch (arch) {
-        case ARCH64:
+        case vintf::Arch::ARCH_64:
             return sStr64;
-        case ARCH32:
+        case vintf::Arch::ARCH_32:
             return sStr32;
-        case ARCH_BOTH:
+        case vintf::Arch::ARCH_32_64:
             return sStrBoth;
-        case ARCH_UNKNOWN: // fall through
+        case vintf::Arch::ARCH_EMPTY: // fall through
         default:
             return sStrUnknown;
     }
@@ -57,6 +61,7 @@
         case TableColumnType::THREADS:          return "Thread Use";
         case TableColumnType::RELEASED:         return "R";
         case TableColumnType::HASH:             return "Hash";
+        case TableColumnType::VINTF:            return "VINTF";
         default:
             LOG(FATAL) << __func__ << "Should not reach here. " << static_cast<int>(type);
             return "";
@@ -68,7 +73,7 @@
         case TableColumnType::INTERFACE_NAME:
             return interfaceName;
         case TableColumnType::TRANSPORT:
-            return transport;
+            return vintf::to_string(transport);
         case TableColumnType::SERVER_PID:
             return serverPid == NO_PID ? "N/A" : std::to_string(serverPid);
         case TableColumnType::SERVER_CMD:
@@ -87,6 +92,8 @@
             return isReleased();
         case TableColumnType::HASH:
             return hash;
+        case TableColumnType::VINTF:
+            return getVintfInfo();
         default:
             LOG(FATAL) << __func__ << "Should not reach here. " << static_cast<int>(type);
             return "";
@@ -96,12 +103,32 @@
 std::string TableEntry::isReleased() const {
     static const std::string unreleased = Hash::hexString(Hash::kEmptyHash);
 
-    if (hash.empty() || hash == unreleased) {
-        return " "; // unknown or unreleased
+    if (hash.empty()) {
+        return "?";
+    }
+    if (hash == unreleased) {
+        return "N"; // unknown or unreleased
     }
     return "Y"; // released
 }
 
+std::string TableEntry::getVintfInfo() const {
+    static const std::map<VintfInfo, std::string> values{
+            {DEVICE_MANIFEST, "DM"},
+            {DEVICE_MATRIX, "DC"},
+            {FRAMEWORK_MANIFEST, "FM"},
+            {FRAMEWORK_MATRIX, "FC"},
+    };
+    std::vector<std::string> ret;
+    for (const auto& pair : values) {
+        if (vintfInfo & pair.first) {
+            ret.push_back(pair.second);
+        }
+    }
+    auto joined = base::Join(ret, ',');
+    return joined.empty() ? "X" : joined;
+}
+
 TextTable Table::createTextTable(bool neat,
     const std::function<std::string(const std::string&)>& emitDebugInfo) const {
 
@@ -152,6 +179,7 @@
 }
 
 std::string TableEntry::to_string() const {
+    using vintf::operator<<;
     std::stringstream ss;
     ss << "name=" << interfaceName << ";transport=" << transport << ";thread=" << getThreadUsage()
        << ";server=" << serverPid
diff --git a/cmds/lshal/TableEntry.h b/cmds/lshal/TableEntry.h
index 24ea438..c9a6a23 100644
--- a/cmds/lshal/TableEntry.h
+++ b/cmds/lshal/TableEntry.h
@@ -24,6 +24,8 @@
 #include <iostream>
 
 #include <procpartition/procpartition.h>
+#include <vintf/Arch.h>
+#include <vintf/Transport.h>
 
 #include "TextTable.h"
 
@@ -40,14 +42,6 @@
 };
 using TableEntrySource = unsigned int;
 
-enum : unsigned int {
-    ARCH_UNKNOWN = 0,
-    ARCH32       = 1 << 0,
-    ARCH64       = 1 << 1,
-    ARCH_BOTH    = ARCH32 | ARCH64
-};
-using Architecture = unsigned int;
-
 enum class TableColumnType : unsigned int {
     INTERFACE_NAME,
     TRANSPORT,
@@ -60,8 +54,18 @@
     THREADS,
     RELEASED,
     HASH,
+    VINTF,
 };
 
+enum : unsigned int {
+    VINTF_INFO_EMPTY = 0,
+    DEVICE_MANIFEST = 1 << 0,
+    DEVICE_MATRIX = 1 << 1,
+    FRAMEWORK_MANIFEST = 1 << 2,
+    FRAMEWORK_MATRIX = 1 << 3,
+};
+using VintfInfo = unsigned int;
+
 enum {
     NO_PID = -1,
     NO_PTR = 0
@@ -69,7 +73,7 @@
 
 struct TableEntry {
     std::string interfaceName{};
-    std::string transport{};
+    vintf::Transport transport{vintf::Transport::EMPTY};
     int32_t serverPid{NO_PID};
     uint32_t threadUsage{0};
     uint32_t threadCount{0};
@@ -77,10 +81,11 @@
     uint64_t serverObjectAddress{NO_PTR};
     Pids clientPids{};
     std::vector<std::string> clientCmdlines{};
-    Architecture arch{ARCH_UNKNOWN};
+    vintf::Arch arch{vintf::Arch::ARCH_EMPTY};
     // empty: unknown, all zeros: unreleased, otherwise: released
     std::string hash{};
     Partition partition{Partition::UNKNOWN};
+    VintfInfo vintfInfo{VINTF_INFO_EMPTY};
 
     static bool sortByInterfaceName(const TableEntry &a, const TableEntry &b) {
         return a.interfaceName < b.interfaceName;
@@ -99,6 +104,8 @@
 
     std::string isReleased() const;
 
+    std::string getVintfInfo() const;
+
     std::string getField(TableColumnType type) const;
 
     bool operator==(const TableEntry& other) const;
diff --git a/cmds/lshal/test.cpp b/cmds/lshal/test.cpp
index 3fc957b..501c04d 100644
--- a/cmds/lshal/test.cpp
+++ b/cmds/lshal/test.cpp
@@ -44,6 +44,13 @@
 using ::android::hardware::hidl_handle;
 using ::android::hardware::hidl_string;
 using ::android::hardware::hidl_vec;
+using android::vintf::Arch;
+using android::vintf::CompatibilityMatrix;
+using android::vintf::gCompatibilityMatrixConverter;
+using android::vintf::gHalManifestConverter;
+using android::vintf::HalManifest;
+using android::vintf::Transport;
+using android::vintf::VintfObject;
 
 using InstanceDebugInfo = IServiceManager::InstanceDebugInfo;
 
@@ -207,6 +214,11 @@
     MOCK_CONST_METHOD2(getPidInfo, bool(pid_t, PidInfo*));
     MOCK_CONST_METHOD1(parseCmdline, std::string(pid_t));
     MOCK_METHOD1(getPartition, Partition(pid_t));
+
+    MOCK_CONST_METHOD0(getDeviceManifest, std::shared_ptr<const vintf::HalManifest>());
+    MOCK_CONST_METHOD0(getDeviceMatrix, std::shared_ptr<const vintf::CompatibilityMatrix>());
+    MOCK_CONST_METHOD0(getFrameworkManifest, std::shared_ptr<const vintf::HalManifest>());
+    MOCK_CONST_METHOD0(getFrameworkMatrix, std::shared_ptr<const vintf::CompatibilityMatrix>());
 };
 
 class ListParseArgsTest : public ::testing::Test {
@@ -335,6 +347,15 @@
             });
         }));
         ON_CALL(*mockList, getPartition(_)).WillByDefault(Return(Partition::VENDOR));
+
+        ON_CALL(*mockList, getDeviceManifest())
+                .WillByDefault(Return(VintfObject::GetDeviceHalManifest()));
+        ON_CALL(*mockList, getDeviceMatrix())
+                .WillByDefault(Return(VintfObject::GetDeviceCompatibilityMatrix()));
+        ON_CALL(*mockList, getFrameworkManifest())
+                .WillByDefault(Return(VintfObject::GetFrameworkHalManifest()));
+        ON_CALL(*mockList, getFrameworkMatrix())
+                .WillByDefault(Return(VintfObject::GetFrameworkCompatibilityMatrix()));
     }
 
     void initMockServiceManager() {
@@ -389,25 +410,28 @@
 
 TEST_F(ListTest, Fetch) {
     EXPECT_EQ(0u, mockList->fetch());
-    std::array<std::string, 6> transports{{"hwbinder", "hwbinder", "passthrough",
-                                          "passthrough", "passthrough", "passthrough"}};
-    std::array<Architecture, 6> archs{{ARCH64, ARCH64, ARCH32, ARCH32, ARCH32, ARCH32}};
+    vintf::TransportArch hwbinder{Transport::HWBINDER, Arch::ARCH_64};
+    vintf::TransportArch passthrough{Transport::PASSTHROUGH, Arch::ARCH_32};
+    std::array<vintf::TransportArch, 6> transportArchs{{hwbinder, hwbinder, passthrough,
+                                                        passthrough, passthrough, passthrough}};
     int id = 1;
     mockList->forEachTable([&](const Table& table) {
         ASSERT_EQ(2u, table.size());
         for (const auto& entry : table) {
-            const auto& transport = transports[id - 1];
+            auto transport = transportArchs.at(id - 1).transport;
             TableEntry expected{
                 .interfaceName = getFqInstanceName(id),
                 .transport = transport,
-                .serverPid = transport == "hwbinder" ? id : NO_PID,
-                .threadUsage = transport == "hwbinder" ? getPidInfoFromId(id).threadUsage : 0,
-                .threadCount = transport == "hwbinder" ? getPidInfoFromId(id).threadCount : 0,
+                .serverPid = transport == Transport::HWBINDER ? id : NO_PID,
+                .threadUsage =
+                        transport == Transport::HWBINDER ? getPidInfoFromId(id).threadUsage : 0,
+                .threadCount =
+                        transport == Transport::HWBINDER ? getPidInfoFromId(id).threadCount : 0,
                 .serverCmdline = {},
-                .serverObjectAddress = transport == "hwbinder" ? getPtr(id) : NO_PTR,
+                .serverObjectAddress = transport == Transport::HWBINDER ? getPtr(id) : NO_PTR,
                 .clientPids = getClients(id),
                 .clientCmdlines = {},
-                .arch = archs[id - 1],
+                .arch = transportArchs.at(id - 1).arch,
             };
             EXPECT_EQ(expected, entry) << expected.to_string() << " vs. " << entry.to_string();
 
@@ -460,18 +484,18 @@
     const std::string expected =
         "[fake description 0]\n"
         "R Interface            Thread Use Server Clients\n"
-        "  a.h.foo1@1.0::IFoo/1 11/21      1      2 4\n"
+        "N a.h.foo1@1.0::IFoo/1 11/21      1      2 4\n"
         "Y a.h.foo2@2.0::IFoo/2 12/22      2      3 5\n"
         "\n"
         "[fake description 1]\n"
         "R Interface            Thread Use Server Clients\n"
-        "  a.h.foo3@3.0::IFoo/3 N/A        N/A    4 6\n"
-        "  a.h.foo4@4.0::IFoo/4 N/A        N/A    5 7\n"
+        "? a.h.foo3@3.0::IFoo/3 N/A        N/A    4 6\n"
+        "? a.h.foo4@4.0::IFoo/4 N/A        N/A    5 7\n"
         "\n"
         "[fake description 2]\n"
         "R Interface            Thread Use Server Clients\n"
-        "  a.h.foo5@5.0::IFoo/5 N/A        N/A    6 8\n"
-        "  a.h.foo6@6.0::IFoo/6 N/A        N/A    7 9\n"
+        "? a.h.foo5@5.0::IFoo/5 N/A        N/A    6 8\n"
+        "? a.h.foo6@6.0::IFoo/6 N/A        N/A    7 9\n"
         "\n";
 
     optind = 1; // mimic Lshal::parseArg()
@@ -484,18 +508,18 @@
     const std::string expected =
         "[fake description 0]\n"
         "Interface            R Hash\n"
-        "a.h.foo1@1.0::IFoo/1   0000000000000000000000000000000000000000000000000000000000000000\n"
+        "a.h.foo1@1.0::IFoo/1 N 0000000000000000000000000000000000000000000000000000000000000000\n"
         "a.h.foo2@2.0::IFoo/2 Y 0202020202020202020202020202020202020202020202020202020202020202\n"
         "\n"
         "[fake description 1]\n"
         "Interface            R Hash\n"
-        "a.h.foo3@3.0::IFoo/3   \n"
-        "a.h.foo4@4.0::IFoo/4   \n"
+        "a.h.foo3@3.0::IFoo/3 ? \n"
+        "a.h.foo4@4.0::IFoo/4 ? \n"
         "\n"
         "[fake description 2]\n"
         "Interface            R Hash\n"
-        "a.h.foo5@5.0::IFoo/5   \n"
-        "a.h.foo6@6.0::IFoo/6   \n"
+        "a.h.foo5@5.0::IFoo/5 ? \n"
+        "a.h.foo6@6.0::IFoo/6 ? \n"
         "\n";
 
     optind = 1; // mimic Lshal::parseArg()
@@ -651,6 +675,87 @@
     EXPECT_THAT(err.str(), HasSubstr("Unrecognized HAL type: a"));
 }
 
+TEST_F(ListTest, Vintf) {
+    std::string deviceManifestXml =
+            "<manifest version=\"1.0\" type=\"device\">\n"
+            "    <hal>\n"
+            "        <name>a.h.foo1</name>\n"
+            "        <transport>hwbinder</transport>\n"
+            "        <fqname>@1.0::IFoo/1</fqname>\n"
+            "    </hal>\n"
+            "    <hal>\n"
+            "        <name>a.h.foo3</name>\n"
+            "        <transport arch=\"32+64\">passthrough</transport>\n"
+            "        <fqname>@3.0::IFoo/3</fqname>\n"
+            "    </hal>\n"
+            "</manifest>\n";
+    std::string frameworkManifestXml =
+            "<manifest version=\"1.0\" type=\"framework\">\n"
+            "    <hal>\n"
+            "        <name>a.h.foo5</name>\n"
+            "        <transport arch=\"32\">passthrough</transport>\n"
+            "        <fqname>@5.0::IFoo/5</fqname>\n"
+            "    </hal>\n"
+            "</manifest>\n";
+    std::string deviceMatrixXml =
+            "<compatibility-matrix version=\"1.0\" type=\"device\">\n"
+            "    <hal>\n"
+            "        <name>a.h.foo5</name>\n"
+            "        <version>5.0</version>\n"
+            "        <interface>\n"
+            "            <name>IFoo</name>\n"
+            "            <instance>5</instance>\n"
+            "        </interface>\n"
+            "    </hal>\n"
+            "</compatibility-matrix>\n";
+    std::string frameworkMatrixXml =
+            "<compatibility-matrix version=\"1.0\" type=\"framework\">\n"
+            "    <hal>\n"
+            "        <name>a.h.foo1</name>\n"
+            "        <version>1.0</version>\n"
+            "        <interface>\n"
+            "            <name>IFoo</name>\n"
+            "            <instance>1</instance>\n"
+            "        </interface>\n"
+            "    </hal>\n"
+            "    <hal>\n"
+            "        <name>a.h.foo3</name>\n"
+            "        <version>3.0</version>\n"
+            "        <interface>\n"
+            "            <name>IFoo</name>\n"
+            "            <instance>3</instance>\n"
+            "        </interface>\n"
+            "    </hal>\n"
+            "</compatibility-matrix>\n";
+
+    std::string expected = "DM,FC a.h.foo1@1.0::IFoo/1\n"
+                           "X     a.h.foo2@2.0::IFoo/2\n"
+                           "DM,FC a.h.foo3@3.0::IFoo/3\n"
+                           "X     a.h.foo4@4.0::IFoo/4\n"
+                           "DC,FM a.h.foo5@5.0::IFoo/5\n"
+                           "X     a.h.foo6@6.0::IFoo/6\n";
+
+    auto deviceManifest = std::make_shared<HalManifest>();
+    auto frameworkManifest = std::make_shared<HalManifest>();
+    auto deviceMatrix = std::make_shared<CompatibilityMatrix>();
+    auto frameworkMatrix = std::make_shared<CompatibilityMatrix>();
+
+    ASSERT_TRUE(gHalManifestConverter(deviceManifest.get(), deviceManifestXml));
+    ASSERT_TRUE(gHalManifestConverter(frameworkManifest.get(), frameworkManifestXml));
+    ASSERT_TRUE(gCompatibilityMatrixConverter(deviceMatrix.get(), deviceMatrixXml));
+    ASSERT_TRUE(gCompatibilityMatrixConverter(frameworkMatrix.get(), frameworkMatrixXml));
+
+    ON_CALL(*mockList, getDeviceManifest()).WillByDefault(Return(deviceManifest));
+    ON_CALL(*mockList, getDeviceMatrix()).WillByDefault(Return(deviceMatrix));
+    ON_CALL(*mockList, getFrameworkManifest()).WillByDefault(Return(frameworkManifest));
+    ON_CALL(*mockList, getFrameworkMatrix()).WillByDefault(Return(frameworkMatrix));
+
+    optind = 1; // mimic Lshal::parseArg()
+    EXPECT_EQ(0u, mockList->main(createArg({"lshal", "-Vi", "--neat"})));
+    EXPECT_THAT(out.str(), HasSubstr(expected));
+    EXPECT_EQ("", err.str());
+}
+
 class HelpTest : public ::testing::Test {
 public:
     void SetUp() override {
diff --git a/libs/binder/include/binder/IInterface.h b/libs/binder/include/binder/IInterface.h
index 0f1fe5b..227d0ae 100644
--- a/libs/binder/include/binder/IInterface.h
+++ b/libs/binder/include/binder/IInterface.h
@@ -142,7 +142,7 @@
 {
     return remote();
 }
-    
+
 // ----------------------------------------------------------------------
 
 }; // namespace android