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usb: Implement the AIDL in framework

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Implement the AIDL and HIDL coexist in framework

Note: This is a cherry-pick of ag/17905026
Bug: 218791946
Test: USB function switch success and AIDL service is running.
      atest VtsHalUsbGadgetV2_0HostTest
Signed-off-by: Ricky Niu <rickyniu@google.com>

Merged-In: I6d9bc861a4aceb753bf6f816daccd039e423994d
Change-Id: I6d9bc861a4aceb753bf6f816daccd039e423994d
(cherry picked from commit 74272e2422)
This commit is contained in:
Ricky Niu
2022-06-14 17:43:27 +08:00
committed by Chien Kun Niu
parent f760323d10
commit 2617fd6686
13 changed files with 1055 additions and 260 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
cmds/svc/src/com/android/commands/svc/UsbCommand.java
View File

@@ -29,12 +29,18 @@ import android.os.ServiceManager;
import java.util.function.Consumer;
import java.util.concurrent.Executor;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
public class UsbCommand extends Svc.Command {
public UsbCommand() {
super("usb");
}
/**
* Counter for tracking UsbOperation operations.
*/
private static final AtomicInteger sUsbOperationCount = new AtomicInteger();
@Override
public String shortHelp() {
return "Control Usb state";
@@ -92,8 +98,10 @@ public class UsbCommand extends Svc.Command {
if ("setFunctions".equals(args[1])) {
try {
int operationId = sUsbOperationCount.incrementAndGet();
System.out.println("setCurrentFunctions opId:" + operationId);
usbMgr.setCurrentFunctions(UsbManager.usbFunctionsFromString(
args.length >= 3 ? args[2] : ""));
args.length >= 3 ? args[2] : ""), operationId);
} catch (RemoteException e) {
System.err.println("Error communicating with UsbManager: " + e);
}

1
core/api/module-lib-current.txt
View File

@@ -120,6 +120,7 @@ package android.hardware.usb {
field public static final int GADGET_HAL_V1_0 = 10; // 0xa
field public static final int GADGET_HAL_V1_1 = 11; // 0xb
field public static final int GADGET_HAL_V1_2 = 12; // 0xc
field public static final int GADGET_HAL_V2_0 = 20; // 0x14
field public static final int USB_DATA_TRANSFER_RATE_10G = 10240; // 0x2800
field public static final int USB_DATA_TRANSFER_RATE_20G = 20480; // 0x5000
field public static final int USB_DATA_TRANSFER_RATE_40G = 40960; // 0xa000

4
core/java/android/hardware/usb/IUsbManager.aidl
View File

@@ -111,10 +111,10 @@ interface IUsbManager
boolean isFunctionEnabled(String function);
/* Sets the current USB function. */
void setCurrentFunctions(long functions);
void setCurrentFunctions(long functions, int operationId);
/* Compatibility version of setCurrentFunctions(long). */
void setCurrentFunction(String function, boolean usbDataUnlocked);
void setCurrentFunction(String function, boolean usbDataUnlocked, int operationId);
/* Gets the current USB functions. */
long getCurrentFunctions();

177
core/java/android/hardware/usb/UsbManager.java
View File

@@ -38,6 +38,7 @@ import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.hardware.usb.gadget.V1_0.GadgetFunction;
import android.hardware.usb.gadget.V1_2.UsbSpeed;
import android.os.Binder;
import android.os.Build;
import android.os.Bundle;
import android.os.ParcelFileDescriptor;
@@ -52,6 +53,7 @@ import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.StringJoiner;
import java.util.concurrent.atomic.AtomicInteger;
/**
* This class allows you to access the state of USB and communicate with USB devices.
@@ -95,7 +97,7 @@ public class UsbManager {
* If the sticky intent has not been found, that indicates USB is disconnected,
* USB is not configued, MTP function is enabled, and all the other functions are disabled.
*
* {@hide}
* @hide
*/
@SystemApi
public static final String ACTION_USB_STATE =
@@ -172,7 +174,7 @@ public class UsbManager {
* <p>For more information about communicating with USB accessory handshake, refer to
* <a href="https://source.android.com/devices/accessories/aoa">AOA</a> developer guide.</p>
*
* {@hide}
* @hide
*/
@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
@SystemApi
@@ -184,7 +186,7 @@ public class UsbManager {
* Boolean extra indicating whether USB is connected or disconnected.
* Used in extras for the {@link #ACTION_USB_STATE} broadcast.
*
* {@hide}
* @hide
*/
@SystemApi
public static final String USB_CONNECTED = "connected";
@@ -193,7 +195,7 @@ public class UsbManager {
* Boolean extra indicating whether USB is connected or disconnected as host.
* Used in extras for the {@link #ACTION_USB_STATE} broadcast.
*
* {@hide}
* @hide
*/
public static final String USB_HOST_CONNECTED = "host_connected";
@@ -201,7 +203,7 @@ public class UsbManager {
* Boolean extra indicating whether USB is configured.
* Used in extras for the {@link #ACTION_USB_STATE} broadcast.
*
* {@hide}
* @hide
*/
@SystemApi
public static final String USB_CONFIGURED = "configured";
@@ -212,7 +214,7 @@ public class UsbManager {
* has explicitly asked for this data to be unlocked.
* Used in extras for the {@link #ACTION_USB_STATE} broadcast.
*
* {@hide}
* @hide
*/
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
public static final String USB_DATA_UNLOCKED = "unlocked";
@@ -221,7 +223,7 @@ public class UsbManager {
* A placeholder indicating that no USB function is being specified.
* Used for compatibility with old init scripts to indicate no functions vs. charging function.
*
* {@hide}
* @hide
*/
@UnsupportedAppUsage
public static final String USB_FUNCTION_NONE = "none";
@@ -230,7 +232,7 @@ public class UsbManager {
* Name of the adb USB function.
* Used in extras for the {@link #ACTION_USB_STATE} broadcast
*
* {@hide}
* @hide
*/
public static final String USB_FUNCTION_ADB = "adb";
@@ -238,7 +240,7 @@ public class UsbManager {
* Name of the RNDIS ethernet USB function.
* Used in extras for the {@link #ACTION_USB_STATE} broadcast
*
* {@hide}
* @hide
*/
@SystemApi
public static final String USB_FUNCTION_RNDIS = "rndis";
@@ -247,7 +249,7 @@ public class UsbManager {
* Name of the MTP USB function.
* Used in extras for the {@link #ACTION_USB_STATE} broadcast
*
* {@hide}
* @hide
*/
public static final String USB_FUNCTION_MTP = "mtp";
@@ -255,7 +257,7 @@ public class UsbManager {
* Name of the PTP USB function.
* Used in extras for the {@link #ACTION_USB_STATE} broadcast
*
* {@hide}
* @hide
*/
public static final String USB_FUNCTION_PTP = "ptp";
@@ -263,7 +265,7 @@ public class UsbManager {
* Name of the audio source USB function.
* Used in extras for the {@link #ACTION_USB_STATE} broadcast
*
* {@hide}
* @hide
*/
public static final String USB_FUNCTION_AUDIO_SOURCE = "audio_source";
@@ -271,7 +273,7 @@ public class UsbManager {
* Name of the MIDI USB function.
* Used in extras for the {@link #ACTION_USB_STATE} broadcast
*
* {@hide}
* @hide
*/
public static final String USB_FUNCTION_MIDI = "midi";
@@ -279,7 +281,7 @@ public class UsbManager {
* Name of the Accessory USB function.
* Used in extras for the {@link #ACTION_USB_STATE} broadcast
*
* {@hide}
* @hide
*/
public static final String USB_FUNCTION_ACCESSORY = "accessory";
@@ -287,7 +289,7 @@ public class UsbManager {
* Name of the NCM USB function.
* Used in extras for the {@link #ACTION_USB_STATE} broadcast
*
* {@hide}
* @hide
*/
@SystemApi
public static final String USB_FUNCTION_NCM = "ncm";
@@ -295,31 +297,38 @@ public class UsbManager {
/**
* Name of Gadget Hal Not Present;
*
* {@hide}
* @hide
*/
public static final String GADGET_HAL_UNKNOWN = "unknown";
/**
* Name of the USB Gadget Hal Version v1.0;
*
* {@hide}
* @hide
*/
public static final String GADGET_HAL_VERSION_1_0 = "V1_0";
/**
* Name of the USB Gadget Hal Version v1.1;
*
* {@hide}
* @hide
*/
public static final String GADGET_HAL_VERSION_1_1 = "V1_1";
/**
* Name of the USB Gadget Hal Version v1.2;
*
* {@hide}
* @hide
*/
public static final String GADGET_HAL_VERSION_1_2 = "V1_2";
/**
* Name of the USB Gadget Hal Version v2.0;
*
* @hide
*/
public static final String GADGET_HAL_VERSION_2_0 = "V2_0";
/**
* Name of extra for {@link #ACTION_USB_PORT_CHANGED}
* containing the {@link UsbPort} object for the port.
@@ -356,7 +365,7 @@ public class UsbManager {
* This is obtained with SystemClock.elapsedRealtime()
* Used in extras for {@link #ACTION_USB_ACCESSORY_HANDSHAKE} broadcasts.
*
* {@hide}
* @hide
*/
@SystemApi
public static final String EXTRA_ACCESSORY_UEVENT_TIME =
@@ -370,7 +379,7 @@ public class UsbManager {
* between communicating with USB accessory handshake, refer to
* <a href="https://source.android.com/devices/accessories/aoa">AOA</a> developer guide.</p>
*
* {@hide}
* @hide
*/
@SystemApi
public static final String EXTRA_ACCESSORY_STRING_COUNT =
@@ -380,7 +389,7 @@ public class UsbManager {
* Boolean extra indicating whether got start accessory or not
* Used in extras for {@link #ACTION_USB_ACCESSORY_HANDSHAKE} broadcasts.
*
* {@hide}
* @hide
*/
@SystemApi
public static final String EXTRA_ACCESSORY_START =
@@ -392,7 +401,7 @@ public class UsbManager {
* sending {@link #ACTION_USB_ACCESSORY_HANDSHAKE}.
* Used in extras for {@link #ACTION_USB_ACCESSORY_HANDSHAKE} broadcasts.
*
* {@hide}
* @hide
*/
@SystemApi
public static final String EXTRA_ACCESSORY_HANDSHAKE_END =
@@ -426,7 +435,7 @@ public class UsbManager {
/**
* The Value for USB gadget hal is not presented.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int GADGET_HAL_NOT_SUPPORTED = -1;
@@ -434,7 +443,7 @@ public class UsbManager {
/**
* Value for Gadget Hal Version v1.0.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int GADGET_HAL_V1_0 = 10;
@@ -442,7 +451,7 @@ public class UsbManager {
/**
* Value for Gadget Hal Version v1.1.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int GADGET_HAL_V1_1 = 11;
@@ -450,15 +459,23 @@ public class UsbManager {
/**
* Value for Gadget Hal Version v1.2.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int GADGET_HAL_V1_2 = 12;
/**
* Value for Gadget Hal Version v2.0.
*
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int GADGET_HAL_V2_0 = 20;
/**
* Value for USB_STATE is not configured.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int USB_DATA_TRANSFER_RATE_UNKNOWN = -1;
@@ -466,7 +483,7 @@ public class UsbManager {
/**
* Value for USB Transfer Rate of Low Speed in Mbps (real value is 1.5Mbps).
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int USB_DATA_TRANSFER_RATE_LOW_SPEED = 2;
@@ -474,7 +491,7 @@ public class UsbManager {
/**
* Value for USB Transfer Rate of Full Speed in Mbps.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int USB_DATA_TRANSFER_RATE_FULL_SPEED = 12;
@@ -482,7 +499,7 @@ public class UsbManager {
/**
* Value for USB Transfer Rate of High Speed in Mbps.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int USB_DATA_TRANSFER_RATE_HIGH_SPEED = 480;
@@ -490,7 +507,7 @@ public class UsbManager {
/**
* Value for USB Transfer Rate of Super Speed in Mbps.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int USB_DATA_TRANSFER_RATE_5G = 5 * 1024;
@@ -498,7 +515,7 @@ public class UsbManager {
/**
* Value for USB Transfer Rate of 10G.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int USB_DATA_TRANSFER_RATE_10G = 10 * 1024;
@@ -506,7 +523,7 @@ public class UsbManager {
/**
* Value for USB Transfer Rate of 20G.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int USB_DATA_TRANSFER_RATE_20G = 20 * 1024;
@@ -514,7 +531,7 @@ public class UsbManager {
/**
* Value for USB Transfer Rate of 40G.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int USB_DATA_TRANSFER_RATE_40G = 40 * 1024;
@@ -530,7 +547,7 @@ public class UsbManager {
/**
* The Value for USB hal is not presented.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int USB_HAL_NOT_SUPPORTED = -1;
@@ -538,7 +555,7 @@ public class UsbManager {
/**
* Value for USB Hal Version v1.0.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int USB_HAL_V1_0 = 10;
@@ -546,7 +563,7 @@ public class UsbManager {
/**
* Value for USB Hal Version v1.1.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int USB_HAL_V1_1 = 11;
@@ -554,7 +571,7 @@ public class UsbManager {
/**
* Value for USB Hal Version v1.2.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int USB_HAL_V1_2 = 12;
@@ -562,7 +579,7 @@ public class UsbManager {
/**
* Value for USB Hal Version v1.3.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public static final int USB_HAL_V1_3 = 13;
@@ -577,63 +594,63 @@ public class UsbManager {
/**
* Code for the charging usb function. Passed into {@link #setCurrentFunctions(long)}
* {@hide}
* @hide
*/
@SystemApi
public static final long FUNCTION_NONE = 0;
/**
* Code for the mtp usb function. Passed as a mask into {@link #setCurrentFunctions(long)}
* {@hide}
* @hide
*/
@SystemApi
public static final long FUNCTION_MTP = GadgetFunction.MTP;
/**
* Code for the ptp usb function. Passed as a mask into {@link #setCurrentFunctions(long)}
* {@hide}
* @hide
*/
@SystemApi
public static final long FUNCTION_PTP = GadgetFunction.PTP;
/**
* Code for the rndis usb function. Passed as a mask into {@link #setCurrentFunctions(long)}
* {@hide}
* @hide
*/
@SystemApi
public static final long FUNCTION_RNDIS = GadgetFunction.RNDIS;
/**
* Code for the midi usb function. Passed as a mask into {@link #setCurrentFunctions(long)}
* {@hide}
* @hide
*/
@SystemApi
public static final long FUNCTION_MIDI = GadgetFunction.MIDI;
/**
* Code for the accessory usb function.
* {@hide}
* @hide
*/
@SystemApi
public static final long FUNCTION_ACCESSORY = GadgetFunction.ACCESSORY;
/**
* Code for the audio source usb function.
* {@hide}
* @hide
*/
@SystemApi
public static final long FUNCTION_AUDIO_SOURCE = GadgetFunction.AUDIO_SOURCE;
/**
* Code for the adb usb function.
* {@hide}
* @hide
*/
@SystemApi
public static final long FUNCTION_ADB = GadgetFunction.ADB;
/**
* Code for the ncm source usb function.
* {@hide}
* @hide
*/
@SystemApi
public static final long FUNCTION_NCM = 1 << 10;
@@ -643,6 +660,11 @@ public class UsbManager {
private static final Map<String, Long> FUNCTION_NAME_TO_CODE = new HashMap<>();
/**
* Counter for tracking UsbOperation operations.
*/
private static final AtomicInteger sUsbOperationCount = new AtomicInteger();
static {
FUNCTION_NAME_TO_CODE.put(UsbManager.USB_FUNCTION_MTP, FUNCTION_MTP);
FUNCTION_NAME_TO_CODE.put(UsbManager.USB_FUNCTION_PTP, FUNCTION_PTP);
@@ -674,6 +696,7 @@ public class UsbManager {
GADGET_HAL_V1_0,
GADGET_HAL_V1_1,
GADGET_HAL_V1_2,
GADGET_HAL_V2_0,
})
public @interface UsbGadgetHalVersion {}
@@ -692,7 +715,7 @@ public class UsbManager {
private final IUsbManager mService;
/**
* {@hide}
* @hide
*/
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
public UsbManager(Context context, IUsbManager service) {
@@ -803,7 +826,7 @@ public class UsbManager {
* {@link #FUNCTION_PTP} are supported.
* @return A ParcelFileDescriptor holding the valid fd, or null if the fd was not found.
*
* {@hide}
* @hide
*/
public ParcelFileDescriptor getControlFd(long function) {
try {
@@ -921,7 +944,7 @@ public class UsbManager {
* Only system components can call this function.
* @param device to request permissions for
*
* {@hide}
* @hide
*/
public void grantPermission(UsbDevice device) {
grantPermission(device, Process.myUid());
@@ -933,7 +956,7 @@ public class UsbManager {
* @param device to request permissions for
* @uid uid to give permission
*
* {@hide}
* @hide
*/
public void grantPermission(UsbDevice device, int uid) {
try {
@@ -949,7 +972,7 @@ public class UsbManager {
* @param device to request permissions for
* @param packageName of package to grant permissions
*
* {@hide}
* @hide
*/
@SystemApi
@RequiresPermission(Manifest.permission.MANAGE_USB)
@@ -974,7 +997,7 @@ public class UsbManager {
* @param function name of the USB function
* @return true if the USB function is enabled
*
* {@hide}
* @hide
*/
@Deprecated
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
@@ -1006,14 +1029,17 @@ public class UsbManager {
* @param functions the USB function(s) to set, as a bitwise mask.
* Must satisfy {@link UsbManager#areSettableFunctions}
*
* {@hide}
* @hide
*/
@SystemApi
@RequiresPermission(Manifest.permission.MANAGE_USB)
public void setCurrentFunctions(@UsbFunctionMode long functions) {
int operationId = sUsbOperationCount.incrementAndGet() + Binder.getCallingUid();
try {
mService.setCurrentFunctions(functions);
mService.setCurrentFunctions(functions, operationId);
} catch (RemoteException e) {
Log.e(TAG, "setCurrentFunctions: failed to call setCurrentFunctions. functions:"
+ functions + ", opId:" + operationId, e);
throw e.rethrowFromSystemServer();
}
}
@@ -1025,14 +1051,17 @@ public class UsbManager {
* @param functions the USB function(s) to set.
* @param usbDataUnlocked unused
* {@hide}
* @hide
*/
@Deprecated
@UnsupportedAppUsage
public void setCurrentFunction(String functions, boolean usbDataUnlocked) {
int operationId = sUsbOperationCount.incrementAndGet() + Binder.getCallingUid();
try {
mService.setCurrentFunction(functions, usbDataUnlocked);
mService.setCurrentFunction(functions, usbDataUnlocked, operationId);
} catch (RemoteException e) {
Log.e(TAG, "setCurrentFunction: failed to call setCurrentFunction. functions:"
+ functions + ", opId:" + operationId, e);
throw e.rethrowFromSystemServer();
}
}
@@ -1047,7 +1076,7 @@ public class UsbManager {
* @return The currently enabled functions, in a bitwise mask.
* A zero mask indicates that the current function is the charging function.
*
* {@hide}
* @hide
*/
@SystemApi
@RequiresPermission(Manifest.permission.MANAGE_USB)
@@ -1073,7 +1102,7 @@ public class UsbManager {
* @param functions functions to set, in a bitwise mask.
* Must satisfy {@link UsbManager#areSettableFunctions}
*
* {@hide}
* @hide
*/
public void setScreenUnlockedFunctions(long functions) {
try {
@@ -1089,7 +1118,7 @@ public class UsbManager {
* @return The currently set screen enabled functions.
* A zero mask indicates that the screen unlocked functions feature is not enabled.
*
* {@hide}
* @hide
*/
public long getScreenUnlockedFunctions() {
try {
@@ -1111,19 +1140,17 @@ public class UsbManager {
*
* @return The value of currently USB Bandwidth.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
@RequiresPermission(Manifest.permission.MANAGE_USB)
public int getUsbBandwidthMbps() {
int usbSpeed;
try {
usbSpeed = mService.getCurrentUsbSpeed();
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
return usbSpeedToBandwidth(usbSpeed);
}
@@ -1135,7 +1162,7 @@ public class UsbManager {
*
* @return a integer {@code GADGET_HAL_*} represent hal version.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
@RequiresPermission(Manifest.permission.MANAGE_USB)
@@ -1155,7 +1182,7 @@ public class UsbManager {
*
* @return a integer {@code USB_HAL_*} represent hal version.
*
* {@hide}
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
@RequiresPermission(Manifest.permission.MANAGE_USB)
@@ -1451,7 +1478,7 @@ public class UsbManager {
* @param usbDeviceConnectionHandler The component to handle usb connections,
* {@code null} to unset.
*
* {@hide}
* @hide
*/
public void setUsbDeviceConnectionHandler(@Nullable ComponentName usbDeviceConnectionHandler) {
try {
@@ -1470,7 +1497,7 @@ public class UsbManager {
*
* @return Whether the mask is settable.
*
* {@hide}
* @hide
*/
public static boolean areSettableFunctions(long functions) {
return functions == FUNCTION_NONE
@@ -1484,7 +1511,7 @@ public class UsbManager {
*
* @return String representation of given mask
*
* {@hide}
* @hide
*/
public static String usbFunctionsToString(long functions) {
StringJoiner joiner = new StringJoiner(",");
@@ -1520,7 +1547,7 @@ public class UsbManager {
*
* @return A mask of all valid functions in the string
*
* {@hide}
* @hide
*/
public static long usbFunctionsFromString(String functions) {
if (functions == null || functions.equals(USB_FUNCTION_NONE)) {
@@ -1542,7 +1569,7 @@ public class UsbManager {
*
* @return a value of USB bandwidth
*
* {@hide}
* @hide
*/
public static int usbSpeedToBandwidth(int speed) {
switch (speed) {
@@ -1576,12 +1603,14 @@ public class UsbManager {
*
* @return String representation of Usb Gadget Hal Version
*
* {@hide}
* @hide
*/
public static @NonNull String usbGadgetHalVersionToString(int version) {
String halVersion;
if (version == GADGET_HAL_V1_2) {
if (version == GADGET_HAL_V2_0) {
halVersion = GADGET_HAL_VERSION_2_0;
} else if (version == GADGET_HAL_V1_2) {
halVersion = GADGET_HAL_VERSION_1_2;
} else if (version == GADGET_HAL_V1_1) {
halVersion = GADGET_HAL_VERSION_1_1;

3
services/usb/Android.bp
View File

@@ -29,9 +29,10 @@ java_library_static {
"android.hardware.usb-V1.1-java",
"android.hardware.usb-V1.2-java",
"android.hardware.usb-V1.3-java",
"android.hardware.usb-V1-java",
"android.hardware.usb-V1-java",
"android.hardware.usb.gadget-V1.0-java",
"android.hardware.usb.gadget-V1.1-java",
"android.hardware.usb.gadget-V1.2-java",
"android.hardware.usb.gadget-V1-java",
],
}

415
services/usb/java/com/android/server/usb/UsbDeviceManager.java
View File

@@ -44,6 +44,7 @@ import android.debug.AdbManagerInternal;
import android.debug.AdbNotifications;
import android.debug.AdbTransportType;
import android.debug.IAdbTransport;
import android.hardware.usb.IUsbOperationInternal;
import android.hardware.usb.ParcelableUsbPort;
import android.hardware.usb.UsbAccessory;
import android.hardware.usb.UsbConfiguration;
@@ -54,9 +55,7 @@ import android.hardware.usb.UsbManager;
import android.hardware.usb.UsbPort;
import android.hardware.usb.UsbPortStatus;
import android.hardware.usb.gadget.V1_0.GadgetFunction;
import android.hardware.usb.gadget.V1_0.IUsbGadget;
import android.hardware.usb.gadget.V1_0.Status;
import android.hardware.usb.gadget.V1_2.IUsbGadgetCallback;
import android.hardware.usb.gadget.V1_2.UsbSpeed;
import android.hidl.manager.V1_0.IServiceManager;
import android.hidl.manager.V1_0.IServiceNotification;
@@ -88,9 +87,12 @@ import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.internal.messages.nano.SystemMessageProto.SystemMessage;
import com.android.internal.notification.SystemNotificationChannels;
import com.android.internal.os.SomeArgs;
import com.android.internal.util.IndentingPrintWriter;
import com.android.internal.util.dump.DualDumpOutputStream;
import com.android.server.FgThread;
import com.android.server.LocalServices;
import com.android.server.usb.hal.gadget.UsbGadgetHal;
import com.android.server.usb.hal.gadget.UsbGadgetHalInstance;
import com.android.server.wm.ActivityTaskManagerInternal;
import java.io.File;
@@ -105,6 +107,7 @@ import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Scanner;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;
/**
* UsbDeviceManager manages USB state in device mode.
@@ -215,6 +218,13 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
private static UsbDeviceLogger sEventLogger;
private UsbGadgetHal mUsbGadgetHal;
/**
* Counter for tracking UsbOperation operations.
*/
private static final AtomicInteger sUsbOperationCount = new AtomicInteger();
static {
sDenyInterfaces = new HashSet<>();
sDenyInterfaces.add(UsbConstants.USB_CLASS_AUDIO);
@@ -297,15 +307,11 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
mHasUsbAccessory = pm.hasSystemFeature(PackageManager.FEATURE_USB_ACCESSORY);
initRndisAddress();
int operationId = sUsbOperationCount.incrementAndGet();
boolean halNotPresent = false;
try {
IUsbGadget.getService(true);
} catch (RemoteException e) {
Slog.e(TAG, "USB GADGET HAL present but exception thrown", e);
} catch (NoSuchElementException e) {
halNotPresent = true;
Slog.i(TAG, "USB GADGET HAL not present in the device", e);
}
mUsbGadgetHal = UsbGadgetHalInstance.getInstance(this, null);
Slog.d(TAG, "getInstance done");
mControlFds = new HashMap<>();
FileDescriptor mtpFd = nativeOpenControl(UsbManager.USB_FUNCTION_MTP);
@@ -319,7 +325,7 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
}
mControlFds.put(UsbManager.FUNCTION_PTP, ptpFd);
if (halNotPresent) {
if (mUsbGadgetHal == null) {
/**
* Initialze the legacy UsbHandler
*/
@@ -333,6 +339,8 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
alsaManager, permissionManager);
}
mHandler.handlerInitDone(operationId);
if (nativeIsStartRequested()) {
if (DEBUG) Slog.d(TAG, "accessory attached at boot");
startAccessoryMode();
@@ -454,6 +462,8 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
private void startAccessoryMode() {
if (!mHasUsbAccessory) return;
int operationId = sUsbOperationCount.incrementAndGet();
mAccessoryStrings = nativeGetAccessoryStrings();
boolean enableAudio = (nativeGetAudioMode() == AUDIO_MODE_SOURCE);
// don't start accessory mode if our mandatory strings have not been set
@@ -474,7 +484,7 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
ACCESSORY_REQUEST_TIMEOUT);
mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_ACCESSORY_HANDSHAKE_TIMEOUT),
ACCESSORY_HANDSHAKE_TIMEOUT);
setCurrentFunctions(functions);
setCurrentFunctions(functions, operationId);
}
}
@@ -503,6 +513,20 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
}
}
public static void logAndPrint(int priority, IndentingPrintWriter pw, String msg) {
Slog.println(priority, TAG, msg);
if (pw != null) {
pw.println(msg);
}
}
public static void logAndPrintException(IndentingPrintWriter pw, String msg, Exception e) {
Slog.e(TAG, msg, e);
if (pw != null) {
pw.println(msg + e);
}
}
abstract static class UsbHandler extends Handler {
// current USB state
@@ -605,6 +629,19 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
sendMessage(m);
}
public boolean sendMessage(int what) {
removeMessages(what);
Message m = Message.obtain(this, what);
return sendMessageDelayed(m,0);
}
public void sendMessage(int what, int operationId) {
removeMessages(what);
Message m = Message.obtain(this, what);
m.arg1 = operationId;
sendMessage(m);
}
public void sendMessage(int what, Object arg) {
removeMessages(what);
Message m = Message.obtain(this, what);
@@ -612,6 +649,22 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
sendMessage(m);
}
public void sendMessage(int what, Object arg, int operationId) {
removeMessages(what);
Message m = Message.obtain(this, what);
m.obj = arg;
m.arg1 = operationId;
sendMessage(m);
}
public void sendMessage(int what, boolean arg, int operationId) {
removeMessages(what);
Message m = Message.obtain(this, what);
m.arg1 = (arg ? 1 : 0);
m.arg2 = operationId;
sendMessage(m);
}
public void sendMessage(int what, Object arg, boolean arg1) {
removeMessages(what);
Message m = Message.obtain(this, what);
@@ -620,6 +673,15 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
sendMessage(m);
}
public void sendMessage(int what, long arg, boolean arg1, int operationId) {
removeMessages(what);
Message m = Message.obtain(this, what);
m.obj = arg;
m.arg1 = (arg1 ? 1 : 0);
m.arg2 = operationId;
sendMessage(m);
}
public void sendMessage(int what, boolean arg1, boolean arg2) {
removeMessages(what);
Message m = Message.obtain(this, what);
@@ -677,7 +739,7 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
sendMessageDelayed(msg, HOST_STATE_UPDATE_DELAY);
}
private void setAdbEnabled(boolean enable) {
private void setAdbEnabled(boolean enable, int operationId) {
if (DEBUG) Slog.d(TAG, "setAdbEnabled: " + enable);
if (enable) {
@@ -686,7 +748,7 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
setSystemProperty(USB_PERSISTENT_CONFIG_PROPERTY, "");
}
setEnabledFunctions(mCurrentFunctions, true);
setEnabledFunctions(mCurrentFunctions, true, operationId);
updateAdbNotification(false);
}
@@ -698,6 +760,8 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
private void updateCurrentAccessory() {
// We are entering accessory mode if we have received a request from the host
// and the request has not timed out yet.
int operationId = sUsbOperationCount.incrementAndGet();
boolean enteringAccessoryMode = hasMessages(MSG_ACCESSORY_MODE_ENTER_TIMEOUT);
if (mConfigured && enteringAccessoryMode) {
@@ -729,18 +793,18 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
}
} else {
if (!enteringAccessoryMode) {
notifyAccessoryModeExit();
notifyAccessoryModeExit(operationId);
} else if (DEBUG) {
Slog.v(TAG, "Debouncing accessory mode exit");
}
}
}
private void notifyAccessoryModeExit() {
private void notifyAccessoryModeExit(int operationId) {
// make sure accessory mode is off
// and restore default functions
Slog.d(TAG, "exited USB accessory mode");
setEnabledFunctions(UsbManager.FUNCTION_NONE, false);
setEnabledFunctions(UsbManager.FUNCTION_NONE, false, operationId);
if (mCurrentAccessory != null) {
if (mBootCompleted) {
@@ -866,8 +930,8 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
mMidiEnabled && mConfigured, mMidiCard, mMidiDevice);
}
private void setScreenUnlockedFunctions() {
setEnabledFunctions(mScreenUnlockedFunctions, false);
private void setScreenUnlockedFunctions(int operationId) {
setEnabledFunctions(mScreenUnlockedFunctions, false, operationId);
}
private static class AdbTransport extends IAdbTransport.Stub {
@@ -880,7 +944,8 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
@Override
public void onAdbEnabled(boolean enabled, byte transportType) {
if (transportType == AdbTransportType.USB) {
mHandler.sendMessage(MSG_ENABLE_ADB, enabled);
int operationId = sUsbOperationCount.incrementAndGet();
mHandler.sendMessage(MSG_ENABLE_ADB, enabled, operationId);
}
}
}
@@ -903,6 +968,7 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_UPDATE_STATE:
int operationId = sUsbOperationCount.incrementAndGet();
mConnected = (msg.arg1 == 1);
mConfigured = (msg.arg2 == 1);
@@ -920,9 +986,9 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
// restore defaults when USB is disconnected
if (!mScreenLocked
&& mScreenUnlockedFunctions != UsbManager.FUNCTION_NONE) {
setScreenUnlockedFunctions();
setScreenUnlockedFunctions(operationId);
} else {
setEnabledFunctions(UsbManager.FUNCTION_NONE, false);
setEnabledFunctions(UsbManager.FUNCTION_NONE, false, operationId);
}
}
updateUsbFunctions();
@@ -1026,13 +1092,15 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
updateUsbNotification(false);
break;
case MSG_ENABLE_ADB:
setAdbEnabled(msg.arg1 == 1);
setAdbEnabled(msg.arg1 == 1, msg.arg2);
break;
case MSG_SET_CURRENT_FUNCTIONS:
long functions = (Long) msg.obj;
setEnabledFunctions(functions, false);
operationId = (int) msg.arg1;
setEnabledFunctions(functions, false, operationId);
break;
case MSG_SET_SCREEN_UNLOCKED_FUNCTIONS:
operationId = sUsbOperationCount.incrementAndGet();
mScreenUnlockedFunctions = (Long) msg.obj;
if (mSettings != null) {
SharedPreferences.Editor editor = mSettings.edit();
@@ -1043,12 +1111,13 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
}
if (!mScreenLocked && mScreenUnlockedFunctions != UsbManager.FUNCTION_NONE) {
// If the screen is unlocked, also set current functions.
setScreenUnlockedFunctions();
setScreenUnlockedFunctions(operationId);
} else {
setEnabledFunctions(UsbManager.FUNCTION_NONE, false);
setEnabledFunctions(UsbManager.FUNCTION_NONE, false, operationId);
}
break;
case MSG_UPDATE_SCREEN_LOCK:
operationId = sUsbOperationCount.incrementAndGet();
if (msg.arg1 == 1 == mScreenLocked) {
break;
}
@@ -1058,23 +1127,25 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
}
if (mScreenLocked) {
if (!mConnected) {
setEnabledFunctions(UsbManager.FUNCTION_NONE, false);
setEnabledFunctions(UsbManager.FUNCTION_NONE, false, operationId);
}
} else {
if (mScreenUnlockedFunctions != UsbManager.FUNCTION_NONE
&& mCurrentFunctions == UsbManager.FUNCTION_NONE) {
// Set the screen unlocked functions if current function is charging.
setScreenUnlockedFunctions();
setScreenUnlockedFunctions(operationId);
}
}
break;
case MSG_UPDATE_USER_RESTRICTIONS:
operationId = sUsbOperationCount.incrementAndGet();
// Restart the USB stack if USB transfer is enabled but no longer allowed.
if (isUsbDataTransferActive(mCurrentFunctions) && !isUsbTransferAllowed()) {
setEnabledFunctions(UsbManager.FUNCTION_NONE, true);
setEnabledFunctions(UsbManager.FUNCTION_NONE, true, operationId);
}
break;
case MSG_SYSTEM_READY:
operationId = sUsbOperationCount.incrementAndGet();
mNotificationManager = (NotificationManager)
mContext.getSystemService(Context.NOTIFICATION_SERVICE);
@@ -1092,17 +1163,19 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
NotificationManager.IMPORTANCE_HIGH));
}
mSystemReady = true;
finishBoot();
finishBoot(operationId);
break;
case MSG_LOCALE_CHANGED:
updateAdbNotification(true);
updateUsbNotification(true);
break;
case MSG_BOOT_COMPLETED:
operationId = sUsbOperationCount.incrementAndGet();
mBootCompleted = true;
finishBoot();
finishBoot(operationId);
break;
case MSG_USER_SWITCHED: {
operationId = sUsbOperationCount.incrementAndGet();
if (mCurrentUser != msg.arg1) {
if (DEBUG) {
Slog.v(TAG, "Current user switched to " + msg.arg1);
@@ -1115,16 +1188,18 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
mSettings.getString(String.format(Locale.ENGLISH,
UNLOCKED_CONFIG_PREF, mCurrentUser), ""));
}
setEnabledFunctions(UsbManager.FUNCTION_NONE, false);
setEnabledFunctions(UsbManager.FUNCTION_NONE, false, operationId);
}
break;
}
case MSG_ACCESSORY_MODE_ENTER_TIMEOUT: {
operationId = sUsbOperationCount.incrementAndGet();
if (DEBUG) {
Slog.v(TAG, "Accessory mode enter timeout: " + mConnected);
Slog.v(TAG, "Accessory mode enter timeout: " + mConnected
+ " ,operationId: " + operationId);
}
if (!mConnected || (mCurrentFunctions & UsbManager.FUNCTION_ACCESSORY) == 0) {
notifyAccessoryModeExit();
notifyAccessoryModeExit(operationId);
}
break;
}
@@ -1147,7 +1222,9 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
}
}
protected void finishBoot() {
public abstract void handlerInitDone(int operationId);
protected void finishBoot(int operationId) {
if (mBootCompleted && mCurrentUsbFunctionsReceived && mSystemReady) {
if (mPendingBootBroadcast) {
updateUsbStateBroadcastIfNeeded(getAppliedFunctions(mCurrentFunctions));
@@ -1155,9 +1232,9 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
}
if (!mScreenLocked
&& mScreenUnlockedFunctions != UsbManager.FUNCTION_NONE) {
setScreenUnlockedFunctions();
setScreenUnlockedFunctions(operationId);
} else {
setEnabledFunctions(UsbManager.FUNCTION_NONE, false);
setEnabledFunctions(UsbManager.FUNCTION_NONE, false, operationId);
}
if (mCurrentAccessory != null) {
mUsbDeviceManager.getCurrentSettings().accessoryAttached(mCurrentAccessory);
@@ -1491,7 +1568,8 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
/**
* Evaluates USB function policies and applies the change accordingly.
*/
protected abstract void setEnabledFunctions(long functions, boolean forceRestart);
protected abstract void setEnabledFunctions(long functions,
boolean forceRestart, int operationId);
public void setAccessoryUEventTime(long accessoryConnectionStartTime) {
mAccessoryConnectionStartTime = accessoryConnectionStartTime;
@@ -1506,6 +1584,11 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
mSendStringCount = 0;
mStartAccessory = false;
}
public abstract void setCurrentUsbFunctionsCb(long functions,
int status, int mRequest, long mFunctions, boolean mChargingFunctions);
public abstract void getUsbSpeedCb(int speed);
}
private static final class UsbHandlerLegacy extends UsbHandler {
@@ -1524,6 +1607,11 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
private String mCurrentFunctionsStr;
private boolean mUsbDataUnlocked;
/**
* Keeps track of the latest setCurrentUsbFunctions request number.
*/
private int mCurrentRequest = 0;
UsbHandlerLegacy(Looper looper, Context context, UsbDeviceManager deviceManager,
UsbAlsaManager alsaManager, UsbPermissionManager permissionManager) {
super(looper, context, deviceManager, alsaManager, permissionManager);
@@ -1557,6 +1645,10 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
}
}
@Override
public void handlerInitDone(int operationId) {
}
private void readOemUsbOverrideConfig(Context context) {
String[] configList = context.getResources().getStringArray(
com.android.internal.R.array.config_oemUsbModeOverride);
@@ -1659,11 +1751,14 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
}
@Override
protected void setEnabledFunctions(long usbFunctions, boolean forceRestart) {
protected void setEnabledFunctions(long usbFunctions,
boolean forceRestart, int operationId) {
boolean usbDataUnlocked = isUsbDataTransferActive(usbFunctions);
if (DEBUG) {
Slog.d(TAG, "setEnabledFunctions functions=" + usbFunctions + ", "
+ "forceRestart=" + forceRestart + ", usbDataUnlocked=" + usbDataUnlocked);
Slog.d(TAG, "setEnabledFunctions functions=" + usbFunctions +
" ,forceRestart=" + forceRestart +
" ,usbDataUnlocked=" + usbDataUnlocked +
" ,operationId=" + operationId);
}
if (usbDataUnlocked != mUsbDataUnlocked) {
@@ -1759,7 +1854,6 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
|| !mCurrentFunctionsStr.equals(functions)
|| !mCurrentFunctionsApplied
|| forceRestart) {
Slog.i(TAG, "Setting USB config to " + functions);
mCurrentFunctionsStr = functions;
mCurrentOemFunctions = oemFunctions;
mCurrentFunctionsApplied = false;
@@ -1855,15 +1949,18 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
if (charAfter < functions.length() && functions.charAt(charAfter) != ',') return false;
return true;
}
@Override
public void setCurrentUsbFunctionsCb(long functions,
int status, int mRequest, long mFunctions, boolean mChargingFunctions){
}
@Override
public void getUsbSpeedCb(int speed){
}
}
private static final class UsbHandlerHal extends UsbHandler {
/**
* Proxy object for the usb gadget hal daemon.
*/
@GuardedBy("mGadgetProxyLock")
private IUsbGadget mGadgetProxy;
private final class UsbHandlerHal extends UsbHandler {
private final Object mGadgetProxyLock = new Object();
@@ -1910,33 +2007,20 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
UsbHandlerHal(Looper looper, Context context, UsbDeviceManager deviceManager,
UsbAlsaManager alsaManager, UsbPermissionManager permissionManager) {
super(looper, context, deviceManager, alsaManager, permissionManager);
int operationId = sUsbOperationCount.incrementAndGet();
try {
ServiceNotification serviceNotification = new ServiceNotification();
boolean ret = IServiceManager.getService()
.registerForNotifications(GADGET_HAL_FQ_NAME, "", serviceNotification);
if (!ret) {
Slog.e(TAG, "Failed to register usb gadget service start notification");
return;
}
synchronized (mGadgetProxyLock) {
mGadgetProxy = IUsbGadget.getService(true);
mGadgetProxy.linkToDeath(new UsbGadgetDeathRecipient(),
USB_GADGET_HAL_DEATH_COOKIE);
mCurrentFunctions = UsbManager.FUNCTION_NONE;
mCurrentUsbFunctionsRequested = true;
mUsbSpeed = UsbSpeed.UNKNOWN;
mCurrentGadgetHalVersion = UsbManager.GADGET_HAL_V1_0;
mGadgetProxy.getCurrentUsbFunctions(new UsbGadgetCallback());
updateUsbGadgetHalVersion();
}
String state = FileUtils.readTextFile(new File(STATE_PATH), 0, null).trim();
updateState(state);
updateUsbGadgetHalVersion();
} catch (NoSuchElementException e) {
Slog.e(TAG, "Usb gadget hal not found", e);
} catch (RemoteException e) {
Slog.e(TAG, "Usb Gadget hal not responding", e);
} catch (Exception e) {
Slog.e(TAG, "Error initializing UsbHandler", e);
}
@@ -1949,7 +2033,7 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
if (cookie == USB_GADGET_HAL_DEATH_COOKIE) {
Slog.e(TAG, "Usb Gadget hal service died cookie: " + cookie);
synchronized (mGadgetProxyLock) {
mGadgetProxy = null;
mUsbGadgetHal = null;
}
}
}
@@ -1972,18 +2056,22 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_SET_CHARGING_FUNCTIONS:
setEnabledFunctions(UsbManager.FUNCTION_NONE, false);
int operationId = sUsbOperationCount.incrementAndGet();
setEnabledFunctions(UsbManager.FUNCTION_NONE, false, operationId);
break;
case MSG_SET_FUNCTIONS_TIMEOUT:
Slog.e(TAG, "Set functions timed out! no reply from usb hal");
operationId = sUsbOperationCount.incrementAndGet();
Slog.e(TAG, "Set functions timed out! no reply from usb hal"
+ " ,operationId:" + operationId);
if (msg.arg1 != 1) {
// Set this since default function may be selected from Developer options
setEnabledFunctions(mScreenUnlockedFunctions, false);
setEnabledFunctions(mScreenUnlockedFunctions, false, operationId);
}
break;
case MSG_GET_CURRENT_USB_FUNCTIONS:
Slog.i(TAG, "processing MSG_GET_CURRENT_USB_FUNCTIONS");
mCurrentUsbFunctionsReceived = true;
operationId = msg.arg2;
if (mCurrentUsbFunctionsRequested) {
Slog.i(TAG, "updating mCurrentFunctions");
@@ -1993,91 +2081,71 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
"mCurrentFunctions:" + mCurrentFunctions + "applied:" + msg.arg1);
mCurrentFunctionsApplied = msg.arg1 == 1;
}
finishBoot();
finishBoot(operationId);
break;
case MSG_FUNCTION_SWITCH_TIMEOUT:
/**
* Dont force to default when the configuration is already set to default.
*/
operationId = sUsbOperationCount.incrementAndGet();
if (msg.arg1 != 1) {
// Set this since default function may be selected from Developer options
setEnabledFunctions(mScreenUnlockedFunctions, false);
setEnabledFunctions(mScreenUnlockedFunctions, false, operationId);
}
break;
case MSG_GADGET_HAL_REGISTERED:
boolean preexisting = msg.arg1 == 1;
operationId = sUsbOperationCount.incrementAndGet();
synchronized (mGadgetProxyLock) {
try {
mGadgetProxy = IUsbGadget.getService();
mGadgetProxy.linkToDeath(new UsbGadgetDeathRecipient(),
USB_GADGET_HAL_DEATH_COOKIE);
mUsbGadgetHal = UsbGadgetHalInstance.getInstance(mUsbDeviceManager,
null);
if (!mCurrentFunctionsApplied && !preexisting) {
setEnabledFunctions(mCurrentFunctions, false);
setEnabledFunctions(mCurrentFunctions, false, operationId);
}
} catch (NoSuchElementException e) {
Slog.e(TAG, "Usb gadget hal not found", e);
} catch (RemoteException e) {
Slog.e(TAG, "Usb Gadget hal not responding", e);
}
}
break;
case MSG_RESET_USB_GADGET:
synchronized (mGadgetProxyLock) {
if (mGadgetProxy == null) {
Slog.e(TAG, "reset Usb Gadget mGadgetProxy is null");
if (mUsbGadgetHal == null) {
Slog.e(TAG, "reset Usb Gadget mUsbGadgetHal is null");
break;
}
try {
android.hardware.usb.gadget.V1_1.IUsbGadget gadgetProxy =
android.hardware.usb.gadget.V1_1.IUsbGadget
.castFrom(mGadgetProxy);
gadgetProxy.reset();
} catch (RemoteException e) {
mUsbGadgetHal.reset();
} catch (Exception e) {
Slog.e(TAG, "reset Usb Gadget failed", e);
}
}
break;
case MSG_UPDATE_USB_SPEED:
synchronized (mGadgetProxyLock) {
if (mGadgetProxy == null) {
Slog.e(TAG, "mGadgetProxy is null");
break;
}
operationId = sUsbOperationCount.incrementAndGet();
if (mUsbGadgetHal == null) {
Slog.e(TAG, "mGadgetHal is null, operationId:" + operationId);
break;
}
try {
android.hardware.usb.gadget.V1_2.IUsbGadget gadgetProxy =
android.hardware.usb.gadget.V1_2.IUsbGadget
.castFrom(mGadgetProxy);
if (gadgetProxy != null) {
gadgetProxy.getUsbSpeed(new UsbGadgetCallback());
}
} catch (RemoteException e) {
Slog.e(TAG, "get UsbSpeed failed", e);
}
try {
mUsbGadgetHal.getUsbSpeed(operationId);
} catch (Exception e) {
Slog.e(TAG, "get UsbSpeed failed", e);
}
break;
case MSG_UPDATE_HAL_VERSION:
synchronized (mGadgetProxyLock) {
if (mGadgetProxy == null) {
Slog.e(TAG, "mGadgetProxy is null");
break;
if (mUsbGadgetHal == null) {
Slog.e(TAG, "mUsbGadgetHal is null");
break;
}
else {
try {
mCurrentGadgetHalVersion = mUsbGadgetHal.getGadgetHalVersion();
} catch (RemoteException e) {
Slog.e(TAG, "update Usb gadget version failed", e);
}
android.hardware.usb.gadget.V1_2.IUsbGadget gadgetProxy =
android.hardware.usb.gadget.V1_2.IUsbGadget.castFrom(mGadgetProxy);
if (gadgetProxy == null) {
android.hardware.usb.gadget.V1_1.IUsbGadget gadgetProxyV1By1 =
android.hardware.usb.gadget.V1_1.IUsbGadget
.castFrom(mGadgetProxy);
if (gadgetProxyV1By1 == null) {
mCurrentGadgetHalVersion = UsbManager.GADGET_HAL_V1_0;
break;
}
mCurrentGadgetHalVersion = UsbManager.GADGET_HAL_V1_1;
break;
}
mCurrentGadgetHalVersion = UsbManager.GADGET_HAL_V1_2;
}
break;
default:
@@ -2085,56 +2153,31 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
}
}
private class UsbGadgetCallback extends IUsbGadgetCallback.Stub {
int mRequest;
long mFunctions;
boolean mChargingFunctions;
@Override
public void setCurrentUsbFunctionsCb(long functions,
int status, int mRequest, long mFunctions, boolean mChargingFunctions) {
UsbGadgetCallback() {
if ((mCurrentRequest != mRequest) || !hasMessages(MSG_SET_FUNCTIONS_TIMEOUT)
|| (mFunctions != functions)) {
return;
}
UsbGadgetCallback(int request, long functions,
boolean chargingFunctions) {
mRequest = request;
mFunctions = functions;
mChargingFunctions = chargingFunctions;
}
@Override
public void setCurrentUsbFunctionsCb(long functions,
int status) {
/**
* Callback called for a previous setCurrenUsbFunction
*/
if ((mCurrentRequest != mRequest) || !hasMessages(MSG_SET_FUNCTIONS_TIMEOUT)
|| (mFunctions != functions)) {
return;
}
removeMessages(MSG_SET_FUNCTIONS_TIMEOUT);
Slog.e(TAG, "notifyCurrentFunction request:" + mRequest + " status:" + status);
if (status == Status.SUCCESS) {
mCurrentFunctionsApplied = true;
} else if (!mChargingFunctions) {
Slog.e(TAG, "Setting default fuctions");
sendEmptyMessage(MSG_SET_CHARGING_FUNCTIONS);
}
}
@Override
public void getCurrentUsbFunctionsCb(long functions,
int status) {
sendMessage(MSG_GET_CURRENT_USB_FUNCTIONS, functions,
status == Status.FUNCTIONS_APPLIED);
}
@Override
public void getUsbSpeedCb(int speed) {
mUsbSpeed = speed;
removeMessages(MSG_SET_FUNCTIONS_TIMEOUT);
Slog.i(TAG, "notifyCurrentFunction request:" + mRequest + " status:" + status);
if (status == Status.SUCCESS) {
mCurrentFunctionsApplied = true;
} else if (!mChargingFunctions) {
Slog.e(TAG, "Setting default fuctions");
sendEmptyMessage(MSG_SET_CHARGING_FUNCTIONS);
}
}
private void setUsbConfig(long config, boolean chargingFunctions) {
@Override
public void getUsbSpeedCb(int speed) {
mUsbSpeed = speed;
}
private void setUsbConfig(long config, boolean chargingFunctions, int operationId) {
if (true) Slog.d(TAG, "setUsbConfig(" + config + ") request:" + ++mCurrentRequest);
/**
* Cancel any ongoing requests, if present.
@@ -2144,8 +2187,8 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
removeMessages(MSG_SET_CHARGING_FUNCTIONS);
synchronized (mGadgetProxyLock) {
if (mGadgetProxy == null) {
Slog.e(TAG, "setUsbConfig mGadgetProxy is null");
if (mUsbGadgetHal == null) {
Slog.e(TAG, "setUsbConfig mUsbGadgetHal is null");
return;
}
try {
@@ -2162,10 +2205,9 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
LocalServices.getService(AdbManagerInternal.class)
.stopAdbdForTransport(AdbTransportType.USB);
}
UsbGadgetCallback usbGadgetCallback = new UsbGadgetCallback(mCurrentRequest,
config, chargingFunctions);
mGadgetProxy.setCurrentUsbFunctions(config, usbGadgetCallback,
SET_FUNCTIONS_TIMEOUT_MS - SET_FUNCTIONS_LEEWAY_MS);
mUsbGadgetHal.setCurrentUsbFunctions(mCurrentRequest,
config, chargingFunctions,
SET_FUNCTIONS_TIMEOUT_MS - SET_FUNCTIONS_LEEWAY_MS, operationId);
sendMessageDelayed(MSG_SET_FUNCTIONS_TIMEOUT, chargingFunctions,
SET_FUNCTIONS_TIMEOUT_MS);
if (mConnected) {
@@ -2174,17 +2216,19 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
SET_FUNCTIONS_TIMEOUT_MS + ENUMERATION_TIME_OUT_MS);
}
if (DEBUG) Slog.d(TAG, "timeout message queued");
} catch (RemoteException e) {
} catch (Exception e) {//RemoteException e) {
Slog.e(TAG, "Remoteexception while calling setCurrentUsbFunctions", e);
}
}
}
@Override
protected void setEnabledFunctions(long functions, boolean forceRestart) {
protected void setEnabledFunctions(long functions, boolean forceRestart, int operationId) {
if (DEBUG) {
Slog.d(TAG, "setEnabledFunctions functions=" + functions + ", "
+ "forceRestart=" + forceRestart);
Slog.d(TAG, "setEnabledFunctionsi " +
"functions=" + functions +
", forceRestart=" + forceRestart +
", operationId=" + operationId);
}
if (mCurrentGadgetHalVersion < UsbManager.GADGET_HAL_V1_2) {
if ((functions & UsbManager.FUNCTION_NCM) != 0) {
@@ -2205,7 +2249,7 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
functions = getAppliedFunctions(functions);
// Set the new USB configuration.
setUsbConfig(functions, chargingFunctions);
setUsbConfig(functions, chargingFunctions, operationId);
if (mBootCompleted && isUsbDataTransferActive(functions)) {
// Start up dependent services.
@@ -2213,6 +2257,11 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
}
}
}
@Override
public void handlerInitDone(int operationId) {
mUsbGadgetHal.getCurrentUsbFunctions(operationId);
}
}
/* returns the currently attached USB accessory */
@@ -2254,6 +2303,21 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
return mHandler.getGadgetHalVersion();
}
public void setCurrentUsbFunctionsCb(long functions,
int status, int mRequest, long mFunctions, boolean mChargingFunctions) {
mHandler.setCurrentUsbFunctionsCb(functions, status,
mRequest, mFunctions, mChargingFunctions);
}
public void getCurrentUsbFunctionsCb(long functions, int status) {
mHandler.sendMessage(MSG_GET_CURRENT_USB_FUNCTIONS, functions,
status == Status.FUNCTIONS_APPLIED);
}
public void getUsbSpeedCb(int speed) {
mHandler.getUsbSpeedCb(speed);
}
/**
* Returns a dup of the control file descriptor for the given function.
*/
@@ -2279,7 +2343,7 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
*
* @param functions The functions to set, or empty to set the charging function.
*/
public void setCurrentFunctions(long functions) {
public void setCurrentFunctions(long functions, int operationId) {
if (DEBUG) {
Slog.d(TAG, "setCurrentFunctions(" + UsbManager.usbFunctionsToString(functions) + ")");
}
@@ -2296,7 +2360,7 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
} else if (functions == UsbManager.FUNCTION_ACCESSORY) {
MetricsLogger.action(mContext, MetricsEvent.ACTION_USB_CONFIG_ACCESSORY);
}
mHandler.sendMessage(MSG_SET_CURRENT_FUNCTIONS, functions);
mHandler.sendMessage(MSG_SET_CURRENT_FUNCTIONS, functions, operationId);
}
/**
@@ -2324,7 +2388,8 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
}
private void onAdbEnabled(boolean enabled) {
mHandler.sendMessage(MSG_ENABLE_ADB, enabled);
int operationId = sUsbOperationCount.incrementAndGet();
mHandler.sendMessage(MSG_ENABLE_ADB, enabled, operationId);
}
/**

8
services/usb/java/com/android/server/usb/UsbService.java
View File

@@ -605,16 +605,16 @@ public class UsbService extends IUsbManager.Stub {
}
@Override
public void setCurrentFunctions(long functions) {
public void setCurrentFunctions(long functions, int operationId) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);
Preconditions.checkArgument(UsbManager.areSettableFunctions(functions));
Preconditions.checkState(mDeviceManager != null);
mDeviceManager.setCurrentFunctions(functions);
mDeviceManager.setCurrentFunctions(functions, operationId);
}
@Override
public void setCurrentFunction(String functions, boolean usbDataUnlocked) {
setCurrentFunctions(UsbManager.usbFunctionsFromString(functions));
public void setCurrentFunction(String functions, boolean usbDataUnlocked, int operationId) {
setCurrentFunctions(UsbManager.usbFunctionsFromString(functions), operationId);
}
@Override

220
services/usb/java/com/android/server/usb/hal/gadget/UsbGadgetAidl.java Normal file
View File

@@ -0,0 +1,220 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* 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.
*/
package com.android.server.usb.hal.gadget;
import static android.hardware.usb.UsbManager.GADGET_HAL_V2_0;
import static com.android.server.usb.UsbDeviceManager.logAndPrint;
import static com.android.server.usb.UsbDeviceManager.logAndPrintException;
import android.annotation.Nullable;
import android.hardware.usb.gadget.IUsbGadget;
import android.hardware.usb.gadget.IUsbGadgetCallback;
import android.hardware.usb.UsbManager.UsbGadgetHalVersion;
import android.os.ServiceManager;
import android.os.IBinder;
import android.os.RemoteException;
import android.util.Log;
import android.util.LongSparseArray;
import android.util.Slog;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.util.IndentingPrintWriter;
import com.android.server.usb.UsbDeviceManager;
import java.util.ArrayList;
import java.util.concurrent.ThreadLocalRandom;
import java.util.NoSuchElementException;
import java.util.Objects;
/**
* Implements the methods to interact with AIDL USB HAL.
*/
public final class UsbGadgetAidl implements UsbGadgetHal {
private static final String TAG = UsbGadgetAidl.class.getSimpleName();
private static final String USB_GADGET_AIDL_SERVICE = IUsbGadget.DESCRIPTOR + "/default";
// Proxy object for the usb gadget hal daemon.
@GuardedBy("mGadgetProxyLock")
private IUsbGadget mGadgetProxy;
private final UsbDeviceManager mDeviceManager;
public final IndentingPrintWriter mPw;
// Mutex for all mutable shared state.
private final Object mGadgetProxyLock = new Object();
// Callback when the UsbDevice status is changed by the kernel.
private UsbGadgetCallback mUsbGadgetCallback;
public @UsbGadgetHalVersion int getGadgetHalVersion() throws RemoteException {
synchronized (mGadgetProxyLock) {
if (mGadgetProxy == null) {
throw new RemoteException("IUsb not initialized yet");
}
}
Slog.i(TAG, "USB Gadget HAL AIDL version: GADGET_HAL_V2_0");
return GADGET_HAL_V2_0;
}
@Override
public void systemReady() {
}
public void serviceDied() {
logAndPrint(Log.ERROR, mPw, "Usb Gadget AIDL hal service died");
synchronized (mGadgetProxyLock) {
mGadgetProxy = null;
}
connectToProxy(null);
}
private void connectToProxy(IndentingPrintWriter pw) {
synchronized (mGadgetProxyLock) {
if (mGadgetProxy != null) {
return;
}
try {
mGadgetProxy = IUsbGadget.Stub.asInterface(
ServiceManager.waitForService(USB_GADGET_AIDL_SERVICE));
} catch (NoSuchElementException e) {
logAndPrintException(pw, "connectToProxy: usb gadget hal service not found."
+ " Did the service fail to start?", e);
}
}
}
static boolean isServicePresent(IndentingPrintWriter pw) {
try {
return ServiceManager.isDeclared(USB_GADGET_AIDL_SERVICE);
} catch (NoSuchElementException e) {
logAndPrintException(pw, "connectToProxy: usb gadget Aidl hal service not found.", e);
}
return false;
}
public UsbGadgetAidl(UsbDeviceManager deviceManager, IndentingPrintWriter pw) {
mDeviceManager = Objects.requireNonNull(deviceManager);
mPw = pw;
connectToProxy(mPw);
}
@Override
public void getCurrentUsbFunctions(long operationId) {
synchronized (mGadgetProxyLock) {
try {
mGadgetProxy.getCurrentUsbFunctions(new UsbGadgetCallback(), operationId);
} catch (RemoteException e) {
logAndPrintException(mPw,
"RemoteException while calling getCurrentUsbFunctions"
+ ", opID:" + operationId, e);
return;
}
}
}
@Override
public void getUsbSpeed(long operationId) {
try {
synchronized (mGadgetProxyLock) {
mGadgetProxy.getUsbSpeed(new UsbGadgetCallback(), operationId);
}
} catch (RemoteException e) {
logAndPrintException(mPw,
"RemoteException while calling getUsbSpeed"
+ ", opID:" + operationId, e);
return;
}
}
@Override
public void reset() {
try {
synchronized (mGadgetProxyLock) {
mGadgetProxy.reset();
}
} catch (RemoteException e) {
logAndPrintException(mPw,
"RemoteException while calling getUsbSpeed", e);
return;
}
}
@Override
public void setCurrentUsbFunctions(int mRequest, long mFunctions,
boolean mChargingFunctions, int timeout, long operationId) {
try {
mUsbGadgetCallback = new UsbGadgetCallback(mRequest,
mFunctions, mChargingFunctions);
synchronized (mGadgetProxyLock) {
mGadgetProxy.setCurrentUsbFunctions(mFunctions, mUsbGadgetCallback,
timeout, operationId);
}
} catch (RemoteException e) {
logAndPrintException(mPw,
"RemoteException while calling setCurrentUsbFunctions: "
+ "mRequest=" + mRequest
+ ", mFunctions=" + mFunctions
+ ", mChargingFunctions=" + mChargingFunctions
+ ", timeout=" + timeout
+ ", opID:" + operationId, e);
return;
}
}
private class UsbGadgetCallback extends IUsbGadgetCallback.Stub {
public int mRequest;
public long mFunctions;
public boolean mChargingFunctions;
UsbGadgetCallback() {
}
UsbGadgetCallback(int request, long functions,
boolean chargingFunctions) {
mRequest = request;
mFunctions = functions;
mChargingFunctions = chargingFunctions;
}
@Override
public void setCurrentUsbFunctionsCb(long functions,
int status, long transactionId) {
mDeviceManager.setCurrentUsbFunctionsCb(functions, status,
mRequest, mFunctions, mChargingFunctions);
}
@Override
public void getCurrentUsbFunctionsCb(long functions,
int status, long transactionId) {
mDeviceManager.getCurrentUsbFunctionsCb(functions, status);
}
@Override
public void getUsbSpeedCb(int speed, long transactionId) {
mDeviceManager.getUsbSpeedCb(speed);
}
@Override
public String getInterfaceHash() {
return IUsbGadgetCallback.HASH;
}
@Override
public int getInterfaceVersion() {
return IUsbGadgetCallback.VERSION;
}
}
}

138
services/usb/java/com/android/server/usb/hal/gadget/UsbGadgetHal.java Normal file
View File

@@ -0,0 +1,138 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* 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.
*/
package com.android.server.usb.hal.gadget;
import android.annotation.IntDef;
import android.hardware.usb.gadget.IUsbGadgetCallback;
import android.hardware.usb.IUsbOperationInternal;
import android.hardware.usb.UsbManager.UsbHalVersion;
import android.os.RemoteException;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.String;
/**
* @hide
*/
public interface UsbGadgetHal {
/**
* Power role: This USB port can act as a source (provide power).
* @hide
*/
public static final int HAL_POWER_ROLE_SOURCE = 1;
/**
* Power role: This USB port can act as a sink (receive power).
* @hide
*/
public static final int HAL_POWER_ROLE_SINK = 2;
@IntDef(prefix = { "HAL_POWER_ROLE_" }, value = {
HAL_POWER_ROLE_SOURCE,
HAL_POWER_ROLE_SINK
})
@Retention(RetentionPolicy.SOURCE)
@interface HalUsbPowerRole{}
/**
* Data role: This USB port can act as a host (access data services).
* @hide
*/
public static final int HAL_DATA_ROLE_HOST = 1;
/**
* Data role: This USB port can act as a device (offer data services).
* @hide
*/
public static final int HAL_DATA_ROLE_DEVICE = 2;
@IntDef(prefix = { "HAL_DATA_ROLE_" }, value = {
HAL_DATA_ROLE_HOST,
HAL_DATA_ROLE_DEVICE
})
@Retention(RetentionPolicy.SOURCE)
@interface HalUsbDataRole{}
/**
* This USB port can act as a downstream facing port (host).
*
* @hide
*/
public static final int HAL_MODE_DFP = 1;
/**
* This USB port can act as an upstream facing port (device).
*
* @hide
*/
public static final int HAL_MODE_UFP = 2;
@IntDef(prefix = { "HAL_MODE_" }, value = {
HAL_MODE_DFP,
HAL_MODE_UFP,
})
@Retention(RetentionPolicy.SOURCE)
@interface HalUsbPortMode{}
/**
* UsbPortManager would call this when the system is done booting.
*/
public void systemReady();
/**
* This function is used to query the USB functions included in the
* current USB configuration.
*
* @param transactionId Used for tracking the current request and is passed down to the HAL
* implementation as needed.
*/
public void getCurrentUsbFunctions(long transactionId);
/**
* The function is used to query current USB speed.
*
* @param transactionId Used for tracking the current request and is passed down to the HAL
* implementation as needed.
*/
public void getUsbSpeed(long transactionId);
/**
* This function is used to reset USB gadget driver.
* Performs USB data connection reset. The connection will disconnect and
* reconnect.
*/
public void reset();
/**
* Invoked to query the version of current gadget hal implementation.
*/
public @UsbHalVersion int getGadgetHalVersion() throws RemoteException;
/**
* This function is used to set the current USB gadget configuration.
* The USB gadget needs to be torn down if a USB configuration is already
* active.
*
* @param functions list of functions defined by GadgetFunction to be
* included in the gadget composition.
* @param timeout The maximum time (in milliseconds) within which the
* IUsbGadgetCallback needs to be returned.
* @param transactionId Used for tracking the current request and is passed down to the HAL
* implementation as needed.
*/
public void setCurrentUsbFunctions(int request, long functions,
boolean chargingFunctions, int timeout, long transactionId);
}

48
services/usb/java/com/android/server/usb/hal/gadget/UsbGadgetHalInstance.java Normal file
View File

@@ -0,0 +1,48 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* 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.
*/
package com.android.server.usb.hal.gadget;
import static com.android.server.usb.UsbPortManager.logAndPrint;
import com.android.internal.util.IndentingPrintWriter;
import com.android.server.usb.hal.gadget.UsbGadgetHidl;
import com.android.server.usb.hal.gadget.UsbGadgetAidl;
import com.android.server.usb.UsbDeviceManager;
import android.util.Log;
/**
* Helper class that queries the underlying hal layer to populate UsbPortHal instance.
*/
public final class UsbGadgetHalInstance {
public static UsbGadgetHal getInstance(UsbDeviceManager deviceManager,
IndentingPrintWriter pw) {
logAndPrint(Log.DEBUG, pw, "Querying USB Gadget HAL version");
if (UsbGadgetAidl.isServicePresent(null)) {
logAndPrint(Log.INFO, pw, "USB Gadget HAL AIDL present");
return new UsbGadgetAidl(deviceManager, pw);
}
if (UsbGadgetHidl.isServicePresent(null)) {
logAndPrint(Log.INFO, pw, "USB Gadget HAL HIDL present");
return new UsbGadgetHidl(deviceManager, pw);
}
logAndPrint(Log.ERROR, pw, "USB Gadget HAL AIDL/HIDL not present");
return null;
}
}

261
services/usb/java/com/android/server/usb/hal/gadget/UsbGadgetHidl.java Normal file
View File

@@ -0,0 +1,261 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* 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.
*/
package com.android.server.usb.hal.gadget;
import static android.hardware.usb.UsbManager.GADGET_HAL_NOT_SUPPORTED;
import static android.hardware.usb.UsbManager.GADGET_HAL_V1_0;
import static android.hardware.usb.UsbManager.GADGET_HAL_V1_1;
import static android.hardware.usb.UsbManager.GADGET_HAL_V1_2;
import static com.android.server.usb.UsbDeviceManager.logAndPrint;
import static com.android.server.usb.UsbDeviceManager.logAndPrintException;
import android.annotation.Nullable;
import android.hardware.usb.gadget.V1_0.Status;
import android.hardware.usb.gadget.V1_0.IUsbGadget;
import android.hardware.usb.gadget.V1_2.IUsbGadgetCallback;
import android.hardware.usb.gadget.V1_2.UsbSpeed;
import android.hardware.usb.UsbAccessory;
import android.hardware.usb.UsbManager;
import android.hardware.usb.UsbManager.UsbGadgetHalVersion;
import android.hardware.usb.UsbManager.UsbHalVersion;
import android.hidl.manager.V1_0.IServiceManager;
import android.hidl.manager.V1_0.IServiceNotification;
import android.os.IHwBinder;
import android.os.RemoteException;
import android.util.Log;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.util.IndentingPrintWriter;
import com.android.server.usb.UsbDeviceManager;
import java.util.ArrayList;
import java.util.NoSuchElementException;
import java.util.Objects;
/**
*
*/
public final class UsbGadgetHidl implements UsbGadgetHal {
// Cookie sent for usb gadget hal death notification.
private static final int USB_GADGET_HAL_DEATH_COOKIE = 2000;
// Proxy object for the usb gadget hal daemon.
@GuardedBy("mGadgetProxyLock")
private IUsbGadget mGadgetProxy;
private UsbDeviceManager mDeviceManager;
private final IndentingPrintWriter mPw;
// Mutex for all mutable shared state.
private final Object mGadgetProxyLock = new Object();
private UsbGadgetCallback mUsbGadgetCallback;
public @UsbGadgetHalVersion int getGadgetHalVersion() throws RemoteException {
int version;
synchronized(mGadgetProxyLock) {
if (mGadgetProxy == null) {
throw new RemoteException("IUsbGadget not initialized yet");
}
if (android.hardware.usb.gadget.V1_2.IUsbGadget.castFrom(mGadgetProxy) != null) {
version = UsbManager.GADGET_HAL_V1_2;
} else if (android.hardware.usb.gadget.V1_1.IUsbGadget.castFrom(mGadgetProxy) != null) {
version = UsbManager.GADGET_HAL_V1_1;
} else {
version = UsbManager.GADGET_HAL_V1_0;
}
logAndPrint(Log.INFO, mPw, "USB Gadget HAL HIDL version: " + version);
return version;
}
}
final class DeathRecipient implements IHwBinder.DeathRecipient {
private final IndentingPrintWriter mPw;
DeathRecipient(IndentingPrintWriter pw) {
mPw = pw;
}
@Override
public void serviceDied(long cookie) {
if (cookie == USB_GADGET_HAL_DEATH_COOKIE) {
logAndPrint(Log.ERROR, mPw, "Usb Gadget hal service died cookie: " + cookie);
synchronized (mGadgetProxyLock) {
mGadgetProxy = null;
}
}
}
}
final class ServiceNotification extends IServiceNotification.Stub {
@Override
public void onRegistration(String fqName, String name, boolean preexisting) {
logAndPrint(Log.INFO, mPw, "Usb gadget hal service started " + fqName + " " + name);
connectToProxy(null);
}
}
private void connectToProxy(IndentingPrintWriter pw) {
synchronized (mGadgetProxyLock) {
if (mGadgetProxy != null) {
return;
}
try {
mGadgetProxy = IUsbGadget.getService();
mGadgetProxy.linkToDeath(new DeathRecipient(pw), USB_GADGET_HAL_DEATH_COOKIE);
} catch (NoSuchElementException e) {
logAndPrintException(pw, "connectToProxy: usb gadget hal service not found."
+ " Did the service fail to start?", e);
} catch (RemoteException e) {
logAndPrintException(pw, "connectToProxy: usb gadget hal service not responding"
, e);
}
}
}
@Override
public void systemReady() {
}
static boolean isServicePresent(IndentingPrintWriter pw) {
try {
IUsbGadget.getService(true);
} catch (NoSuchElementException e) {
logAndPrintException(pw, "connectToProxy: usb gadget hidl hal service not found.", e);
return false;
} catch (RemoteException e) {
logAndPrintException(pw, "IUSBGadget hal service present but failed to get service", e);
}
return true;
}
public UsbGadgetHidl(UsbDeviceManager deviceManager, IndentingPrintWriter pw) {
mDeviceManager = Objects.requireNonNull(deviceManager);
mPw = pw;
try {
ServiceNotification serviceNotification = new ServiceNotification();
boolean ret = IServiceManager.getService()
.registerForNotifications("android.hardware.usb.gadget@1.0::IUsbGadget",
"", serviceNotification);
if (!ret) {
logAndPrint(Log.ERROR, pw, "Failed to register service start notification");
}
} catch (RemoteException e) {
logAndPrintException(pw, "Failed to register service start notification", e);
return;
}
connectToProxy(mPw);
}
@Override
public void getCurrentUsbFunctions(long transactionId) {
try {
synchronized(mGadgetProxyLock) {
mGadgetProxy.getCurrentUsbFunctions(new UsbGadgetCallback());
}
} catch (RemoteException e) {
logAndPrintException(mPw,
"RemoteException while calling getCurrentUsbFunctions", e);
return;
}
}
@Override
public void getUsbSpeed(long transactionId) {
try {
synchronized(mGadgetProxyLock) {
if (android.hardware.usb.gadget.V1_2.IUsbGadget.castFrom(mGadgetProxy) != null) {
android.hardware.usb.gadget.V1_2.IUsbGadget gadgetProxy =
android.hardware.usb.gadget.V1_2.IUsbGadget.castFrom(mGadgetProxy);
gadgetProxy.getUsbSpeed(new UsbGadgetCallback());
}
}
} catch (RemoteException e) {
logAndPrintException(mPw, "get UsbSpeed failed", e);
}
}
@Override
public void reset() {
try {
synchronized(mGadgetProxyLock) {
if (android.hardware.usb.gadget.V1_2.IUsbGadget.castFrom(mGadgetProxy) != null) {
android.hardware.usb.gadget.V1_2.IUsbGadget gadgetProxy =
android.hardware.usb.gadget.V1_2.IUsbGadget.castFrom(mGadgetProxy);
gadgetProxy.reset();
}
}
} catch (RemoteException e) {
logAndPrintException(mPw,
"RemoteException while calling getUsbSpeed", e);
return;
}
}
@Override
public void setCurrentUsbFunctions(int mRequest, long mFunctions,
boolean mChargingFunctions, int timeout, long operationId) {
try {
mUsbGadgetCallback = new UsbGadgetCallback(null, mRequest,
mFunctions, mChargingFunctions);
synchronized(mGadgetProxyLock) {
mGadgetProxy.setCurrentUsbFunctions(mFunctions, mUsbGadgetCallback, timeout);
}
} catch (RemoteException e) {
logAndPrintException(mPw,
"RemoteException while calling setCurrentUsbFunctions"
+ " mRequest = " + mRequest
+ ", mFunctions = " + mFunctions
+ ", timeout = " + timeout
+ ", mChargingFunctions = " + mChargingFunctions
+ ", operationId =" + operationId, e);
return;
}
}
private class UsbGadgetCallback extends IUsbGadgetCallback.Stub {
public int mRequest;
public long mFunctions;
public boolean mChargingFunctions;
UsbGadgetCallback() {
}
UsbGadgetCallback(IndentingPrintWriter pw, int request,
long functions, boolean chargingFunctions) {
mRequest = request;
mFunctions = functions;
mChargingFunctions = chargingFunctions;
}
@Override
public void setCurrentUsbFunctionsCb(long functions,
int status) {
mDeviceManager.setCurrentUsbFunctionsCb(functions, status,
mRequest, mFunctions, mChargingFunctions);
}
@Override
public void getCurrentUsbFunctionsCb(long functions,
int status) {
mDeviceManager.getCurrentUsbFunctionsCb(functions, status);
}
@Override
public void getUsbSpeedCb(int speed) {
mDeviceManager.getUsbSpeedCb(speed);
}
}
}

14
tests/UsbManagerTests/lib/src/com/android/server/usblib/UsbManagerTestLib.java
View File

@@ -24,12 +24,15 @@ import static org.mockito.Mockito.when;
import android.content.Context;
import android.hardware.usb.UsbManager;
import android.os.Binder;
import android.os.RemoteException;
import android.util.Log;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import java.util.concurrent.atomic.AtomicInteger;
/**
* Unit tests lib for {@link android.hardware.usb.UsbManager}.
*/
@@ -42,6 +45,11 @@ public class UsbManagerTestLib {
private UsbManager mUsbManagerMock;
@Mock private android.hardware.usb.IUsbManager mMockUsbService;
/**
* Counter for tracking UsbOperation operations.
*/
private static final AtomicInteger sUsbOperationCount = new AtomicInteger();
public UsbManagerTestLib(Context context) {
MockitoAnnotations.initMocks(this);
mContext = context;
@@ -82,10 +90,11 @@ public class UsbManagerTestLib {
}
private void testSetCurrentFunctionsMock_Matched(long functions) {
int operationId = sUsbOperationCount.incrementAndGet() + Binder.getCallingUid();
try {
setCurrentFunctions(functions);
verify(mMockUsbService).setCurrentFunctions(eq(functions));
verify(mMockUsbService).setCurrentFunctions(eq(functions), operationId);
} catch (RemoteException remEx) {
Log.w(TAG, "RemoteException");
}
@@ -106,9 +115,10 @@ public class UsbManagerTestLib {
}
public void testSetCurrentFunctionsEx(long functions) throws Exception {
int operationId = sUsbOperationCount.incrementAndGet() + Binder.getCallingUid();
setCurrentFunctions(functions);
verify(mMockUsbService).setCurrentFunctions(eq(functions));
verify(mMockUsbService).setCurrentFunctions(eq(functions), operationId);
}
public void testGetCurrentFunctions_shouldMatched() {

16
tests/UsbTests/src/com/android/server/usb/UsbHandlerTest.java
View File

@@ -98,7 +98,7 @@ public class UsbHandlerTest {
}
@Override
protected void setEnabledFunctions(long functions, boolean force) {
protected void setEnabledFunctions(long functions, boolean force, int operationId) {
mCurrentFunctions = functions;
}
@@ -134,6 +134,20 @@ public class UsbHandlerTest {
protected void sendStickyBroadcast(Intent intent) {
mBroadcastedIntent = intent;
}
@Override
public void handlerInitDone(int operationId) {
}
@Override
public void setCurrentUsbFunctionsCb(long functions,
int status, int mRequest, long mFunctions, boolean mChargingFunctions){
}
@Override
public void getUsbSpeedCb(int speed){
}
}
@Before