Merge "Add STORAGE_KEY tag to keymaster 4.1"
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index 2523d8b..24f114b 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -475,7 +475,7 @@
</hal>
<hal format="hidl" optional="true">
<name>android.hardware.usb.gadget</name>
- <version>1.0</version>
+ <version>1.0-1</version>
<interface>
<name>IUsbGadget</name>
<instance>default</instance>
diff --git a/current.txt b/current.txt
index fd87484..014ce71 100644
--- a/current.txt
+++ b/current.txt
@@ -655,7 +655,7 @@
4167dc3ad35e9cd0d2057d4868c7675ae2c3c9d05bbd614c1f5dccfa5fd68797 android.hardware.neuralnetworks@1.3::IExecutionCallback
7d23020248194abbee8091cc624f39a5a6d7ccba338b172d5d2d3df0cceffbee android.hardware.neuralnetworks@1.3::IPreparedModel
0439a1fbbec7f16e5e4c653d85ac685d51bfafbae15b8f8cca530acdd7d6a8ce android.hardware.neuralnetworks@1.3::IPreparedModelCallback
-ee65638f8af3f9f4f222e7208eaa9f1f8e7f8e0a21545846ba67d0e27624efa1 android.hardware.neuralnetworks@1.3::types
+5f1a4e0c29fc686ed476f9f04eed35e4405d21288cb2746b978d6891de5cc37d android.hardware.neuralnetworks@1.3::types
3e01d4446cd69fd1c48f8572efd97487bc179564b32bd795800b97bbe10be37b android.hardware.wifi@1.4::IWifi
c67aaf26a7a40d14ea61e70e20afacbd0bb906df1704d585ac8599fbb69dd44b android.hardware.wifi.hostapd@1.2::IHostapd
11f6448d15336361180391c8ebcdfd2d7cf77b3782d577e594d583aadc9c2877 android.hardware.wifi.hostapd@1.2::types
@@ -667,10 +667,10 @@
##
# BEGIN Radio HAL Merge Conflict Avoidance Buffer - STOPSHIP if present
##
-b48e25c1b90da7a011ccfd76d9e551c105783ef2b9fea4921d4fc5978b215e98 android.hardware.radio@1.5::types
-6268d208631b21d1e85bfad338642ac5ca7ac6c83b411283515a4342b5d673f7 android.hardware.radio@1.5::IRadio
+616456d7ce4435d88995f9fe0025a76bca14bd70799e4ca3ff4bae74d54d1166 android.hardware.radio@1.5::types
+c68f5bd87f747f8e7968ff66ecc548b2d26f8e186b7bb805c11d6c883a838fc6 android.hardware.radio@1.5::IRadio
e96ae1c3a9c0689002ec2318e9c587f4f607c16a75a3cd38788b77eb91072021 android.hardware.radio@1.5::IRadioIndication
-64e06cd5251bec38c402f71d05a6d52b89819a20c9099a192a694059ce4336fc android.hardware.radio@1.5::IRadioResponse
+9e962eff568dc8c712d83846f8c27460de5005ed9b836d3e08390e8aa56b5a46 android.hardware.radio@1.5::IRadioResponse
5971a891d7d8843e9fb9f44583a9a0a265ec42fd5e4e1c95c9803454d21fabf7 android.hardware.radio.config@1.3::types
a2977755bc5f1ef47f04b7f2400632efda6218e1515dba847da487145cfabc4f android.hardware.radio.config@1.3::IRadioConfig
742360c775313438b0f82256eac62fb5bbc76a6ae6f388573f3aa142fb2c1eea android.hardware.radio.config@1.3::IRadioConfigIndication
@@ -680,3 +680,4 @@
##
51d1c8d285e0456da2a3fdfbf4700c6277165d5e83219894d651c8ea0e39aa8b android.hardware.soundtrigger@2.3::types
12d7533ff0754f45bf59ab300799074570a99a676545652c2c23abc73cb4515d android.hardware.soundtrigger@2.3::ISoundTriggerHw
+7746fda1fbf9c7c132bae701cc5a161309e4f5e7f3e8065811045975ee86196d android.hardware.usb.gadget@1.1::IUsbGadget
diff --git a/neuralnetworks/1.3/types.hal b/neuralnetworks/1.3/types.hal
index b330b50..abc33e7 100644
--- a/neuralnetworks/1.3/types.hal
+++ b/neuralnetworks/1.3/types.hal
@@ -1415,6 +1415,7 @@
* * {@link OperandType::TENSOR_FLOAT32}
* * {@link OperandType::TENSOR_QUANT8_ASYMM}
* * {@link OperandType::TENSOR_QUANT8_ASYMM_SIGNED} (since HAL version 1.3)
+ * * {@link OperandType::TENSOR_INT32} (since HAL version 1.3)
*
* Supported tensor rank: up to 4
*
@@ -1425,6 +1426,8 @@
* * 2: An {@link OperandType::INT32} scalar, and has to be one of the
* {@link FusedActivationFunc} values. Specifies the activation to
* invoke on the result.
+ * For a {@link OperandType::TENSOR_INT32} tensor,
+ * the {@link FusedActivationFunc} must be "NONE".
*
* Outputs:
* * 0: The product, a tensor of the same {@link OperandType} as input0.
@@ -1905,6 +1908,11 @@
* dimensions. The output is the result of dividing the first input tensor
* by the second, optionally modified by an activation function.
*
+ * For inputs of {@link OperandType::TENSOR_INT32}, performs
+ * "floor division" ("//" in Python). For example,
+ * 5 // 2 = 2
+ * -5 // 2 = -3
+ *
* Two dimensions are compatible when:
* 1. they are equal, or
* 2. one of them is 1
@@ -1925,6 +1933,7 @@
* Supported tensor {@link OperandType}:
* * {@link OperandType::TENSOR_FLOAT16} (since HAL version 1.2)
* * {@link OperandType::TENSOR_FLOAT32}
+ * * {@link OperandType::TENSOR_INT32} (since HAL version 1.3)
*
* Supported tensor rank: up to 4
*
@@ -1935,6 +1944,8 @@
* * 2: An {@link OperandType::INT32} scalar, and has to be one of the
* {@link FusedActivationFunc} values. Specifies the activation to
* invoke on the result.
+ * For a {@link OperandType::TENSOR_INT32} tensor,
+ * the {@link FusedActivationFunc} must be "NONE".
*
* Outputs:
* * 0: A tensor of the same {@link OperandType} as input0.
@@ -2186,6 +2197,7 @@
* * {@link OperandType::TENSOR_FLOAT32}
* * {@link OperandType::TENSOR_QUANT8_ASYMM} (since HAL version 1.2)
* * {@link OperandType::TENSOR_QUANT8_ASYMM_SIGNED} (since HAL version 1.3)
+ * * {@link OperandType::TENSOR_INT32} (since HAL version 1.3)
*
* Supported tensor rank: up to 4
*
@@ -2196,6 +2208,8 @@
* * 2: An {@link OperandType::INT32} scalar, and has to be one of the
* {@link FusedActivationFunc} values. Specifies the activation to
* invoke on the result.
+ * For a {@link OperandType::TENSOR_INT32} tensor,
+ * the {@link FusedActivationFunc} must be "NONE".
*
* Outputs:
* * 0: A tensor of the same {@link OperandType} as input0.
@@ -2242,6 +2256,7 @@
* Supported tensor {@link OperandType}:
* * {@link OperandType::TENSOR_FLOAT16}
* * {@link OperandType::TENSOR_FLOAT32}
+ * * {@link OperandType::TENSOR_INT32} (since HAL version 1.3)
*
* Supported tensor rank: from 1.
*
@@ -4972,6 +4987,106 @@
WHILE = 97,
/**
+ * Computes exponential linear activation on the input tensor element-wise.
+ *
+ * The output is calculated using the following formula:
+ *
+ * ELU(x) = max(0, x) + min(0, alpha * (exp(x) - 1))
+ *
+ * Supported tensor {@link OperandType}:
+ * * {@link OperandType::TENSOR_FLOAT16}
+ * * {@link OperandType::TENSOR_FLOAT32}
+ *
+ * Inputs:
+ * * 0: A tensor, specifying the input. May be zero-sized.
+ * * 1: A scalar, specifying the alpha parameter.
+ * For input tensor of {@link OperandType::TENSOR_FLOAT16},
+ * the alpha value must be of {@link OperandType::FLOAT16}.
+ * For input tensor of {@link OperandType::TENSOR_FLOAT32},
+ * the alpha value must be of {@link OperandType::FLOAT32}.
+ *
+ * Outputs:
+ * * 0: The output tensor of same shape and type as input0.
+ */
+ ELU = 98,
+
+ /**
+ * Computes hard-swish activation on the input tensor element-wise.
+ *
+ * Hard swish activation is introduced in
+ * https://arxiv.org/pdf/1905.02244.pdf
+ *
+ * The output is calculated using the following formula:
+ *
+ * h-swish(x) = x * max(0, min(6, (x + 3))) / 6
+
+ * Supported tensor {@link OperandType}:
+ * * {@link OperandType::TENSOR_FLOAT16}
+ * * {@link OperandType::TENSOR_FLOAT32}
+ * * {@link OperandType::TENSOR_QUANT8_ASYMM}
+ * * {@link OperandType::TENSOR_QUANT8_ASYMM_SIGNED}
+ *
+ * Inputs:
+ * * 0: A tensor, specifying the input. May be zero-sized.
+ *
+ * Outputs:
+ * * 0: The output tensor of same shape and type as input0.
+ * Scale and zero point of this tensor may be different from the input
+ * tensor's parameters.
+ */
+ HARD_SWISH = 99,
+
+ /**
+ * Creates a tensor filled with a scalar value.
+ *
+ * Supported output tensor {@link OperandType}:
+ * * {@link OperandType::TENSOR_FLOAT16}
+ * * {@link OperandType::TENSOR_FLOAT32}
+ * * {@link OperandType::TENSOR_INT32}
+ *
+ * Inputs:
+ * * 0: A 1-D tensor, specifying the desired output tensor shape.
+ * * 1: A scalar, specifying the value to fill the output tensors with.
+ * For output tensor of {@link OperandType::TENSOR_FLOAT16},
+ * the scalar must be of {@link OperandType::FLOAT16}.
+ * For output tensor of {@link OperandType::TENSOR_FLOAT32},
+ * the scalar must be of {@link OperandType::FLOAT32}.
+ * For output tensor of {@link OperandType::TENSOR_INT32},
+ * the scalar must be of {@link OperandType::INT32}.
+ *
+ * Outputs:
+ * * 0: The output tensor.
+ */
+ FILL = 100,
+
+ /**
+ * Returns the rank of a tensor.
+ *
+ * The rank of a tensor is the number of dimensions in it. Also known as
+ * "order", "degree", "ndims".
+ *
+ * Supported tensor {@link OperandType}:
+ * * {@link OperandType::TENSOR_FLOAT16}
+ * * {@link OperandType::TENSOR_FLOAT32}
+ * * {@link OperandType::TENSOR_INT32}
+ * * {@link OperandType::TENSOR_QUANT8_ASYMM}
+ * * {@link OperandType::TENSOR_QUANT16_SYMM}
+ * * {@link OperandType::TENSOR_BOOL8}
+ * * {@link OperandType::TENSOR_QUANT8_SYMM_PER_CHANNEL}
+ * * {@link OperandType::TENSOR_QUANT16_ASYMM}
+ * * {@link OperandType::TENSOR_QUANT8_SYMM}
+ * * {@link OperandType::TENSOR_QUANT8_ASYMM_SIGNED}
+ *
+ * Inputs:
+ * * 0: The input tensor.
+ *
+ * Outputs:
+ * * 0: A scalar of {@link OperandType::INT32}, specifying the rank
+ * of the input tensor.
+ */
+ RANK = 101,
+
+ /**
* DEPRECATED. Since NNAPI 1.2, extensions are the preferred alternative to
* OEM operation and data types.
*
@@ -4993,7 +5108,7 @@
enum OperationTypeRange : uint32_t {
BASE_MIN = 0,
FUNDAMENTAL_MIN = 0,
- FUNDAMENTAL_MAX = 97,
+ FUNDAMENTAL_MAX = 101,
OEM_MIN = 10000,
OEM_MAX = 10000,
BASE_MAX = 0xFFFF,
diff --git a/neuralnetworks/1.3/vts/functional/GeneratedTestHarness.cpp b/neuralnetworks/1.3/vts/functional/GeneratedTestHarness.cpp
index a2c0c4e..cba1f77 100644
--- a/neuralnetworks/1.3/vts/functional/GeneratedTestHarness.cpp
+++ b/neuralnetworks/1.3/vts/functional/GeneratedTestHarness.cpp
@@ -793,8 +793,9 @@
INSTANTIATE_GENERATED_TEST(GeneratedTest,
[](const TestModel& testModel) { return !testModel.expectFailure; });
-INSTANTIATE_GENERATED_TEST(DynamicOutputShapeTest,
- [](const TestModel& testModel) { return !testModel.expectFailure; });
+INSTANTIATE_GENERATED_TEST(DynamicOutputShapeTest, [](const TestModel& testModel) {
+ return !testModel.expectFailure && !testModel.hasScalarOutputs();
+});
INSTANTIATE_GENERATED_TEST(MemoryDomainTest,
[](const TestModel& testModel) { return !testModel.expectFailure; });
diff --git a/neuralnetworks/1.3/vts/functional/ValidateModel.cpp b/neuralnetworks/1.3/vts/functional/ValidateModel.cpp
index a211428..1245432 100644
--- a/neuralnetworks/1.3/vts/functional/ValidateModel.cpp
+++ b/neuralnetworks/1.3/vts/functional/ValidateModel.cpp
@@ -337,6 +337,7 @@
// - TRANSPOSE_CONV_2D filter type (arg 1) can be QUANT8_ASYMM or QUANT8_SYMM_PER_CHANNEL
// - AXIS_ALIGNED_BBOX_TRANSFORM bounding boxes (arg 1) can be of
// TENSOR_QUANT8_ASYMM or TENSOR_QUANT8_ASYMM_SIGNED.
+ // - RANK's input can have any TENSOR_* type.
switch (operation.type) {
case OperationType::LSH_PROJECTION: {
if (operand == operation.inputs[1]) {
@@ -399,6 +400,20 @@
return true;
}
} break;
+ case OperationType::RANK: {
+ if (operand == operation.inputs[0] &&
+ (type == OperandType::TENSOR_FLOAT16 || type == OperandType::TENSOR_FLOAT32 ||
+ type == OperandType::TENSOR_INT32 ||
+ type == OperandType::TENSOR_QUANT8_ASYMM ||
+ type == OperandType::TENSOR_QUANT16_SYMM ||
+ type == OperandType::TENSOR_BOOL8 ||
+ type == OperandType::TENSOR_QUANT8_SYMM_PER_CHANNEL ||
+ type == OperandType::TENSOR_QUANT16_ASYMM ||
+ type == OperandType::TENSOR_QUANT8_SYMM ||
+ type == OperandType::TENSOR_QUANT8_ASYMM_SIGNED)) {
+ return true;
+ }
+ } break;
default:
break;
}
diff --git a/radio/1.5/IRadio.hal b/radio/1.5/IRadio.hal
index 52e579a..ee4438d 100644
--- a/radio/1.5/IRadio.hal
+++ b/radio/1.5/IRadio.hal
@@ -25,6 +25,7 @@
import @1.5::IndicationFilter;
import @1.5::LinkAddress;
import @1.5::NetworkScanRequest;
+import @1.5::RadioAccessNetworks;
import @1.5::RadioAccessSpecifier;
import @1.5::SignalThresholdInfo;
@@ -263,4 +264,22 @@
* Response function is IRadioResponse.getDataRegistrationStateResponse_1_5()
*/
oneway getDataRegistrationState_1_5(int32_t serial);
+
+ /*
+ * Manually select a specified network.
+ * This request must not respond until the new operator is selected and registered.
+ * Per TS 23.122, the RAN is just the initial suggested value.
+ * If registration fails, the RAN is not available afterwards, or the RAN is not within
+ * the network types specified by IRadio::setPreferredNetworkTypeBitmap, then the modem
+ * will need to select the next best RAN for network registration.
+ *
+ * @param serial Serial number of request.
+ * @param operatorNumeric String specifying MCCMNC of network to select (eg "310170").
+ * @param ran Initial suggested radio access network type. If value is UNKNOWN, the modem
+ * will select the next best RAN for network registration.
+ *
+ * Response function is IRadioResponse.setNetworkSelectionModeManualResponse_1_5()
+ */
+ oneway setNetworkSelectionModeManual_1_5(int32_t serial, string operatorNumeric,
+ RadioAccessNetworks ran);
};
diff --git a/radio/1.5/IRadioResponse.hal b/radio/1.5/IRadioResponse.hal
index 4bdafbd..e66e00b 100644
--- a/radio/1.5/IRadioResponse.hal
+++ b/radio/1.5/IRadioResponse.hal
@@ -212,4 +212,28 @@
* RadioError:INTERNAL_ERR
*/
oneway getCellInfoListResponse_1_5(RadioResponseInfo info, vec<CellInfo> cellInfo);
+
+
+ /**
+ * @param info Response info struct containing response type, serial no. and error
+ *
+ * Valid errors returned:
+ * RadioError:NONE
+ * RadioError:RADIO_NOT_AVAILABLE
+ * RadioError:ILLEGAL_SIM_OR_ME
+ * RadioError:OPERATION_NOT_ALLOWED
+ * RadioError:INVALID_STATE
+ * RadioError:NO_MEMORY
+ * RadioError:INTERNAL_ERR
+ * RadioError:SYSTEM_ERR
+ * RadioError:INVALID_ARGUMENTS
+ * RadioError:MODEM_ERR
+ * RadioError:REQUEST_NOT_SUPPORTED
+ * RadioError:NO_RESOURCES
+ * RadioError:CANCELLED
+ *
+ * Returns RadioError:ILLEGAL_SIM_OR_ME when the failure is permanent and
+ * no retries needed, such as illegal SIM or ME.
+ */
+ oneway setNetworkSelectionModeManualResponse_1_5(RadioResponseInfo info);
};
diff --git a/radio/1.5/types.hal b/radio/1.5/types.hal
index 9c03979..5482aca 100644
--- a/radio/1.5/types.hal
+++ b/radio/1.5/types.hal
@@ -166,7 +166,11 @@
};
enum RadioAccessNetworks : @1.1::RadioAccessNetworks {
+ UNKNOWN = 0,
+ /** Next Generation Radio Access Network */
NGRAN = 4,
+ /** CDMA 2000 Network */
+ CDMA2000 = 5,
};
/**
@@ -610,6 +614,9 @@
/** Additional PLMN-IDs beyond the primary PLMN broadcast for this cell */
vec<string> additionalPlmns;
+
+ /** Band used by the cell */
+ NgranBands band;
};
struct CellInfoGsm {
diff --git a/radio/1.5/vts/functional/radio_hidl_hal_api.cpp b/radio/1.5/vts/functional/radio_hidl_hal_api.cpp
index 01258cf..a4095b7 100644
--- a/radio/1.5/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.5/vts/functional/radio_hidl_hal_api.cpp
@@ -879,6 +879,9 @@
}
}
+/*
+ * Test IRadio.setInitialAttachApn_1_5() for the response returned.
+ */
TEST_F(RadioHidlTest_v1_5, setInitialAttachApn_1_5) {
serial = GetRandomSerialNumber();
@@ -919,6 +922,9 @@
}
}
+/*
+ * Test IRadio.setDataProfile_1_5() for the response returned.
+ */
TEST_F(RadioHidlTest_v1_5, setDataProfile_1_5) {
serial = GetRandomSerialNumber();
@@ -989,4 +995,30 @@
EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_5->rspInfo.type);
EXPECT_EQ(serial, radioRsp_v1_5->rspInfo.serial);
EXPECT_EQ(RadioError::NONE, radioRsp_v1_5->rspInfo.error);
-}
\ No newline at end of file
+}
+
+/*
+ * Test IRadio.setNetworkSelectionModeManual_1_5() for the response returned.
+ */
+TEST_F(RadioHidlTest_v1_5, setNetworkSelectionModeManual_1_5) {
+ serial = GetRandomSerialNumber();
+
+ // can't camp on nonexistent MCCMNC, so we expect this to fail.
+ Return<void> res = radio_v1_5->setNetworkSelectionModeManual_1_5(
+ serial, "123456", android::hardware::radio::V1_5::RadioAccessNetworks::GERAN);
+ EXPECT_EQ(std::cv_status::no_timeout, wait());
+ EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_5->rspInfo.type);
+ EXPECT_EQ(serial, radioRsp_v1_5->rspInfo.serial);
+
+ if (cardStatus.base.base.cardState == CardState::ABSENT) {
+ ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+ {RadioError::NONE, RadioError::ILLEGAL_SIM_OR_ME,
+ RadioError::INVALID_ARGUMENTS, RadioError::INVALID_STATE},
+ CHECK_GENERAL_ERROR));
+ } else if (cardStatus.base.base.cardState == CardState::PRESENT) {
+ ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+ {RadioError::NONE, RadioError::RADIO_NOT_AVAILABLE,
+ RadioError::INVALID_ARGUMENTS, RadioError::INVALID_STATE},
+ CHECK_GENERAL_ERROR));
+ }
+}
diff --git a/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h b/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
index 1e806fa..abab452 100644
--- a/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
+++ b/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
@@ -571,6 +571,8 @@
const RadioResponseInfo& info,
const ::android::hardware::hidl_vec<::android::hardware::radio::V1_5::CellInfo>&
cellInfo);
+
+ Return<void> setNetworkSelectionModeManualResponse_1_5(const RadioResponseInfo& info);
};
/* Callback class for radio indication */
diff --git a/radio/1.5/vts/functional/radio_response.cpp b/radio/1.5/vts/functional/radio_response.cpp
index 01556f5..d7197d5 100644
--- a/radio/1.5/vts/functional/radio_response.cpp
+++ b/radio/1.5/vts/functional/radio_response.cpp
@@ -992,3 +992,10 @@
::android::hardware::radio::V1_5::CellInfo>& /*cellInfo*/) {
return Void();
}
+
+Return<void> RadioResponse_v1_5::setNetworkSelectionModeManualResponse_1_5(
+ const RadioResponseInfo& info) {
+ rspInfo = info;
+ parent_v1_5.notify(info.serial);
+ return Void();
+}
diff --git a/usb/gadget/1.1/Android.bp b/usb/gadget/1.1/Android.bp
new file mode 100644
index 0000000..b41eb9c
--- /dev/null
+++ b/usb/gadget/1.1/Android.bp
@@ -0,0 +1,17 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+ name: "android.hardware.usb.gadget@1.1",
+ root: "android.hardware",
+ vndk: {
+ enabled: true,
+ },
+ srcs: [
+ "IUsbGadget.hal",
+ ],
+ interfaces: [
+ "android.hardware.usb.gadget@1.0",
+ "android.hidl.base@1.0",
+ ],
+ gen_java: true,
+}
diff --git a/usb/gadget/1.1/IUsbGadget.hal b/usb/gadget/1.1/IUsbGadget.hal
new file mode 100644
index 0000000..af88ef0
--- /dev/null
+++ b/usb/gadget/1.1/IUsbGadget.hal
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2019 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 android.hardware.usb.gadget@1.1;
+
+import @1.0::IUsbGadget;
+import @1.0::Status;
+
+interface IUsbGadget extends @1.0::IUsbGadget {
+ /**
+ * This function is used to reset USB gadget driver.
+ * Performs USB data connection reset. The connection will disconnect and
+ * reconnect.
+ *
+ * return status indicate success or not.
+ */
+ reset() generates(Status status);
+};
diff --git a/usb/gadget/1.1/default/Android.bp b/usb/gadget/1.1/default/Android.bp
new file mode 100644
index 0000000..68e2a29
--- /dev/null
+++ b/usb/gadget/1.1/default/Android.bp
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+cc_binary {
+ name: "android.hardware.usb.gadget@1.1-service",
+ defaults: ["hidl_defaults"],
+ relative_install_path: "hw",
+ init_rc: ["android.hardware.usb.gadget@1.1-service.rc"],
+ vintf_fragments: ["android.hardware.usb.gadget@1.1-service.xml"],
+ vendor: true,
+ srcs: [
+ "service.cpp",
+ "UsbGadget.cpp",
+ ],
+ shared_libs: [
+ "android.hardware.usb.gadget@1.0",
+ "android.hardware.usb.gadget@1.1",
+ "libbase",
+ "libcutils",
+ "libhardware",
+ "libhidlbase",
+ "liblog",
+ "libutils",
+ ],
+ static_libs: ["libusbconfigfs"],
+}
diff --git a/usb/gadget/1.1/default/UsbGadget.cpp b/usb/gadget/1.1/default/UsbGadget.cpp
new file mode 100644
index 0000000..36d865d
--- /dev/null
+++ b/usb/gadget/1.1/default/UsbGadget.cpp
@@ -0,0 +1,229 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#define LOG_TAG "android.hardware.usb.gadget@1.1-service"
+
+#include "UsbGadget.h"
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <sys/inotify.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+namespace android {
+namespace hardware {
+namespace usb {
+namespace gadget {
+namespace V1_1 {
+namespace implementation {
+
+UsbGadget::UsbGadget() {
+ if (access(OS_DESC_PATH, R_OK) != 0) {
+ ALOGE("configfs setup not done yet");
+ abort();
+ }
+}
+
+void currentFunctionsAppliedCallback(bool functionsApplied, void* payload) {
+ UsbGadget* gadget = (UsbGadget*)payload;
+ gadget->mCurrentUsbFunctionsApplied = functionsApplied;
+}
+
+Return<void> UsbGadget::getCurrentUsbFunctions(const sp<V1_0::IUsbGadgetCallback>& callback) {
+ Return<void> ret = callback->getCurrentUsbFunctionsCb(
+ mCurrentUsbFunctions, mCurrentUsbFunctionsApplied ? Status::FUNCTIONS_APPLIED
+ : Status::FUNCTIONS_NOT_APPLIED);
+ if (!ret.isOk()) ALOGE("Call to getCurrentUsbFunctionsCb failed %s", ret.description().c_str());
+
+ return Void();
+}
+
+V1_0::Status UsbGadget::tearDownGadget() {
+ if (resetGadget() != V1_0::Status::SUCCESS) return V1_0::Status::ERROR;
+
+ if (monitorFfs.isMonitorRunning()) {
+ monitorFfs.reset();
+ } else {
+ ALOGI("mMonitor not running");
+ }
+ return V1_0::Status::SUCCESS;
+}
+
+Return<Status> UsbGadget::reset() {
+ if (!WriteStringToFile("none", PULLUP_PATH)) {
+ ALOGI("Gadget cannot be pulled down");
+ return Status::ERROR;
+ }
+
+ return Status::SUCCESS;
+}
+
+static V1_0::Status validateAndSetVidPid(uint64_t functions) {
+ V1_0::Status ret = V1_0::Status::SUCCESS;
+
+ switch (functions) {
+ case static_cast<uint64_t>(V1_0::GadgetFunction::MTP):
+ ret = setVidPid("0x18d1", "0x4ee1");
+ break;
+ case V1_0::GadgetFunction::ADB | V1_0::GadgetFunction::MTP:
+ ret = setVidPid("0x18d1", "0x4ee2");
+ break;
+ case static_cast<uint64_t>(V1_0::GadgetFunction::RNDIS):
+ ret = setVidPid("0x18d1", "0x4ee3");
+ break;
+ case V1_0::GadgetFunction::ADB | V1_0::GadgetFunction::RNDIS:
+ ret = setVidPid("0x18d1", "0x4ee4");
+ break;
+ case static_cast<uint64_t>(V1_0::GadgetFunction::PTP):
+ ret = setVidPid("0x18d1", "0x4ee5");
+ break;
+ case V1_0::GadgetFunction::ADB | V1_0::GadgetFunction::PTP:
+ ret = setVidPid("0x18d1", "0x4ee6");
+ break;
+ case static_cast<uint64_t>(V1_0::GadgetFunction::ADB):
+ ret = setVidPid("0x18d1", "0x4ee7");
+ break;
+ case static_cast<uint64_t>(V1_0::GadgetFunction::MIDI):
+ ret = setVidPid("0x18d1", "0x4ee8");
+ break;
+ case V1_0::GadgetFunction::ADB | V1_0::GadgetFunction::MIDI:
+ ret = setVidPid("0x18d1", "0x4ee9");
+ break;
+ case static_cast<uint64_t>(V1_0::GadgetFunction::ACCESSORY):
+ ret = setVidPid("0x18d1", "0x2d00");
+ break;
+ case V1_0::GadgetFunction::ADB | V1_0::GadgetFunction::ACCESSORY:
+ ret = setVidPid("0x18d1", "0x2d01");
+ break;
+ case static_cast<uint64_t>(V1_0::GadgetFunction::AUDIO_SOURCE):
+ ret = setVidPid("0x18d1", "0x2d02");
+ break;
+ case V1_0::GadgetFunction::ADB | V1_0::GadgetFunction::AUDIO_SOURCE:
+ ret = setVidPid("0x18d1", "0x2d03");
+ break;
+ case V1_0::GadgetFunction::ACCESSORY | V1_0::GadgetFunction::AUDIO_SOURCE:
+ ret = setVidPid("0x18d1", "0x2d04");
+ break;
+ case V1_0::GadgetFunction::ADB | V1_0::GadgetFunction::ACCESSORY |
+ V1_0::GadgetFunction::AUDIO_SOURCE:
+ ret = setVidPid("0x18d1", "0x2d05");
+ break;
+ default:
+ ALOGE("Combination not supported");
+ ret = V1_0::Status::CONFIGURATION_NOT_SUPPORTED;
+ }
+ return ret;
+}
+
+V1_0::Status UsbGadget::setupFunctions(uint64_t functions,
+ const sp<V1_0::IUsbGadgetCallback>& callback,
+ uint64_t timeout) {
+ bool ffsEnabled = false;
+ int i = 0;
+
+ if (addGenericAndroidFunctions(&monitorFfs, functions, &ffsEnabled, &i) !=
+ V1_0::Status::SUCCESS)
+ return V1_0::Status::ERROR;
+
+ if ((functions & V1_0::GadgetFunction::ADB) != 0) {
+ ffsEnabled = true;
+ if (addAdb(&monitorFfs, &i) != V1_0::Status::SUCCESS) return V1_0::Status::ERROR;
+ }
+
+ // Pull up the gadget right away when there are no ffs functions.
+ if (!ffsEnabled) {
+ if (!WriteStringToFile(kGadgetName, PULLUP_PATH)) return V1_0::Status::ERROR;
+ mCurrentUsbFunctionsApplied = true;
+ if (callback) callback->setCurrentUsbFunctionsCb(functions, V1_0::Status::SUCCESS);
+ return V1_0::Status::SUCCESS;
+ }
+
+ monitorFfs.registerFunctionsAppliedCallback(¤tFunctionsAppliedCallback, this);
+ // Monitors the ffs paths to pull up the gadget when descriptors are written.
+ // Also takes of the pulling up the gadget again if the userspace process
+ // dies and restarts.
+ monitorFfs.startMonitor();
+
+ if (kDebug) ALOGI("Mainthread in Cv");
+
+ if (callback) {
+ bool pullup = monitorFfs.waitForPullUp(timeout);
+ Return<void> ret = callback->setCurrentUsbFunctionsCb(
+ functions, pullup ? V1_0::Status::SUCCESS : V1_0::Status::ERROR);
+ if (!ret.isOk()) ALOGE("setCurrentUsbFunctionsCb error %s", ret.description().c_str());
+ }
+
+ return V1_0::Status::SUCCESS;
+}
+
+Return<void> UsbGadget::setCurrentUsbFunctions(uint64_t functions,
+ const sp<V1_0::IUsbGadgetCallback>& callback,
+ uint64_t timeout) {
+ std::unique_lock<std::mutex> lk(mLockSetCurrentFunction);
+
+ mCurrentUsbFunctions = functions;
+ mCurrentUsbFunctionsApplied = false;
+
+ // Unlink the gadget and stop the monitor if running.
+ V1_0::Status status = tearDownGadget();
+ if (status != V1_0::Status::SUCCESS) {
+ goto error;
+ }
+
+ ALOGI("Returned from tearDown gadget");
+
+ // Leave the gadget pulled down to give time for the host to sense disconnect.
+ usleep(kDisconnectWaitUs);
+
+ if (functions == static_cast<uint64_t>(V1_0::GadgetFunction::NONE)) {
+ if (callback == NULL) return Void();
+ Return<void> ret = callback->setCurrentUsbFunctionsCb(functions, V1_0::Status::SUCCESS);
+ if (!ret.isOk())
+ ALOGE("Error while calling setCurrentUsbFunctionsCb %s", ret.description().c_str());
+ return Void();
+ }
+
+ status = validateAndSetVidPid(functions);
+
+ if (status != V1_0::Status::SUCCESS) {
+ goto error;
+ }
+
+ status = setupFunctions(functions, callback, timeout);
+ if (status != V1_0::Status::SUCCESS) {
+ goto error;
+ }
+
+ ALOGI("Usb Gadget setcurrent functions called successfully");
+ return Void();
+
+error:
+ ALOGI("Usb Gadget setcurrent functions failed");
+ if (callback == NULL) return Void();
+ Return<void> ret = callback->setCurrentUsbFunctionsCb(functions, status);
+ if (!ret.isOk())
+ ALOGE("Error while calling setCurrentUsbFunctionsCb %s", ret.description().c_str());
+ return Void();
+}
+} // namespace implementation
+} // namespace V1_1
+} // namespace gadget
+} // namespace usb
+} // namespace hardware
+} // namespace android
diff --git a/usb/gadget/1.1/default/UsbGadget.h b/usb/gadget/1.1/default/UsbGadget.h
new file mode 100644
index 0000000..b278071
--- /dev/null
+++ b/usb/gadget/1.1/default/UsbGadget.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#ifndef ANDROID_HARDWARE_USB_GADGET_V1_1_USBGADGET_H
+#define ANDROID_HARDWARE_USB_GADGET_V1_1_USBGADGET_H
+
+#include <UsbGadgetCommon.h>
+#include <android-base/file.h>
+#include <android-base/properties.h>
+#include <android-base/unique_fd.h>
+#include <android/hardware/usb/gadget/1.1/IUsbGadget.h>
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+#include <sys/epoll.h>
+#include <sys/eventfd.h>
+#include <utils/Log.h>
+#include <chrono>
+#include <condition_variable>
+#include <mutex>
+#include <string>
+#include <thread>
+
+namespace android {
+namespace hardware {
+namespace usb {
+namespace gadget {
+namespace V1_1 {
+namespace implementation {
+
+using ::android::sp;
+using ::android::base::GetProperty;
+using ::android::base::SetProperty;
+using ::android::base::unique_fd;
+using ::android::base::WriteStringToFile;
+using ::android::hardware::hidl_array;
+using ::android::hardware::hidl_memory;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::usb::gadget::addAdb;
+using ::android::hardware::usb::gadget::addEpollFd;
+using ::android::hardware::usb::gadget::getVendorFunctions;
+using ::android::hardware::usb::gadget::kDebug;
+using ::android::hardware::usb::gadget::kDisconnectWaitUs;
+using ::android::hardware::usb::gadget::linkFunction;
+using ::android::hardware::usb::gadget::MonitorFfs;
+using ::android::hardware::usb::gadget::resetGadget;
+using ::android::hardware::usb::gadget::setVidPid;
+using ::android::hardware::usb::gadget::unlinkFunctions;
+using ::std::string;
+
+constexpr char kGadgetName[] = "a600000.dwc3";
+static MonitorFfs monitorFfs(kGadgetName);
+
+struct UsbGadget : public IUsbGadget {
+ UsbGadget();
+
+ // Makes sure that only one request is processed at a time.
+ std::mutex mLockSetCurrentFunction;
+ uint64_t mCurrentUsbFunctions;
+ bool mCurrentUsbFunctionsApplied;
+
+ Return<void> setCurrentUsbFunctions(uint64_t functions,
+ const sp<V1_0::IUsbGadgetCallback>& callback,
+ uint64_t timeout) override;
+
+ Return<void> getCurrentUsbFunctions(const sp<V1_0::IUsbGadgetCallback>& callback) override;
+
+ Return<Status> reset() override;
+
+ private:
+ V1_0::Status tearDownGadget();
+ V1_0::Status setupFunctions(uint64_t functions, const sp<V1_0::IUsbGadgetCallback>& callback,
+ uint64_t timeout);
+};
+
+} // namespace implementation
+} // namespace V1_1
+} // namespace gadget
+} // namespace usb
+} // namespace hardware
+} // namespace android
+
+#endif // ANDROID_HARDWARE_USB_V1_1_USBGADGET_H
diff --git a/usb/gadget/1.1/default/android.hardware.usb.gadget@1.1-service.rc b/usb/gadget/1.1/default/android.hardware.usb.gadget@1.1-service.rc
new file mode 100644
index 0000000..34ea7da
--- /dev/null
+++ b/usb/gadget/1.1/default/android.hardware.usb.gadget@1.1-service.rc
@@ -0,0 +1,6 @@
+service vendor.usb-gadget-hal-1-1 /vendor/bin/hw/android.hardware.usb.gadget@1.1-service
+ interface android.hardware.usb.gadget@1.0::IUsbGadget default
+ interface android.hardware.usb.gadget@1.1::IUsbGadget default
+ class hal
+ user root
+ group root shell mtp
diff --git a/usb/gadget/1.1/default/android.hardware.usb.gadget@1.1-service.xml b/usb/gadget/1.1/default/android.hardware.usb.gadget@1.1-service.xml
new file mode 100644
index 0000000..b40fa77
--- /dev/null
+++ b/usb/gadget/1.1/default/android.hardware.usb.gadget@1.1-service.xml
@@ -0,0 +1,12 @@
+<manifest version="1.0" type="device">
+ <hal format="hidl">
+ <name>android.hardware.usb.gadget</name>
+ <transport>hwbinder</transport>
+ <version>1.1</version>
+ <interface>
+ <name>IUsbGadget</name>
+ <instance>default</instance>
+ </interface>
+ </hal>
+</manifest>
+
diff --git a/usb/gadget/1.1/default/lib/Android.bp b/usb/gadget/1.1/default/lib/Android.bp
new file mode 100644
index 0000000..bba8340
--- /dev/null
+++ b/usb/gadget/1.1/default/lib/Android.bp
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+cc_library_static {
+ name: "libusbconfigfs",
+ vendor_available: true,
+ export_include_dirs: ["include"],
+
+ srcs: [
+ "UsbGadgetUtils.cpp",
+ "MonitorFfs.cpp",
+ ],
+
+ cflags: [
+ "-Wall",
+ "-Werror",
+ ],
+
+ shared_libs: [
+ "android.hardware.usb.gadget@1.0",
+ "android.hardware.usb.gadget@1.1",
+ "libbase",
+ "libcutils",
+ "libhidlbase",
+ "libutils",
+ ],
+}
diff --git a/usb/gadget/1.1/default/lib/MonitorFfs.cpp b/usb/gadget/1.1/default/lib/MonitorFfs.cpp
new file mode 100644
index 0000000..0cdf038
--- /dev/null
+++ b/usb/gadget/1.1/default/lib/MonitorFfs.cpp
@@ -0,0 +1,269 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#define LOG_TAG "libusbconfigfs"
+
+#include "include/UsbGadgetCommon.h"
+
+namespace android {
+namespace hardware {
+namespace usb {
+namespace gadget {
+
+static volatile bool gadgetPullup;
+
+MonitorFfs::MonitorFfs(const char* const gadget)
+ : mWatchFd(),
+ mEndpointList(),
+ mLock(),
+ mCv(),
+ mLockFd(),
+ mCurrentUsbFunctionsApplied(false),
+ mMonitor(),
+ mCallback(NULL),
+ mPayload(NULL),
+ mGadgetName(gadget),
+ mMonitorRunning(false) {
+ unique_fd eventFd(eventfd(0, 0));
+ if (eventFd == -1) {
+ ALOGE("mEventFd failed to create %d", errno);
+ abort();
+ }
+
+ unique_fd epollFd(epoll_create(2));
+ if (epollFd == -1) {
+ ALOGE("mEpollFd failed to create %d", errno);
+ abort();
+ }
+
+ unique_fd inotifyFd(inotify_init());
+ if (inotifyFd < 0) {
+ ALOGE("inotify init failed");
+ abort();
+ }
+
+ if (addEpollFd(epollFd, inotifyFd) == -1) abort();
+
+ if (addEpollFd(epollFd, eventFd) == -1) abort();
+
+ mEpollFd = move(epollFd);
+ mInotifyFd = move(inotifyFd);
+ mEventFd = move(eventFd);
+ gadgetPullup = false;
+}
+
+static void displayInotifyEvent(struct inotify_event* i) {
+ ALOGE(" wd =%2d; ", i->wd);
+ if (i->cookie > 0) ALOGE("cookie =%4d; ", i->cookie);
+
+ ALOGE("mask = ");
+ if (i->mask & IN_ACCESS) ALOGE("IN_ACCESS ");
+ if (i->mask & IN_ATTRIB) ALOGE("IN_ATTRIB ");
+ if (i->mask & IN_CLOSE_NOWRITE) ALOGE("IN_CLOSE_NOWRITE ");
+ if (i->mask & IN_CLOSE_WRITE) ALOGE("IN_CLOSE_WRITE ");
+ if (i->mask & IN_CREATE) ALOGE("IN_CREATE ");
+ if (i->mask & IN_DELETE) ALOGE("IN_DELETE ");
+ if (i->mask & IN_DELETE_SELF) ALOGE("IN_DELETE_SELF ");
+ if (i->mask & IN_IGNORED) ALOGE("IN_IGNORED ");
+ if (i->mask & IN_ISDIR) ALOGE("IN_ISDIR ");
+ if (i->mask & IN_MODIFY) ALOGE("IN_MODIFY ");
+ if (i->mask & IN_MOVE_SELF) ALOGE("IN_MOVE_SELF ");
+ if (i->mask & IN_MOVED_FROM) ALOGE("IN_MOVED_FROM ");
+ if (i->mask & IN_MOVED_TO) ALOGE("IN_MOVED_TO ");
+ if (i->mask & IN_OPEN) ALOGE("IN_OPEN ");
+ if (i->mask & IN_Q_OVERFLOW) ALOGE("IN_Q_OVERFLOW ");
+ if (i->mask & IN_UNMOUNT) ALOGE("IN_UNMOUNT ");
+ ALOGE("\n");
+
+ if (i->len > 0) ALOGE(" name = %s\n", i->name);
+}
+
+void* MonitorFfs::startMonitorFd(void* param) {
+ MonitorFfs* monitorFfs = (MonitorFfs*)param;
+ char buf[kBufferSize];
+ bool writeUdc = true, stopMonitor = false;
+ struct epoll_event events[kEpollEvents];
+ steady_clock::time_point disconnect;
+
+ bool descriptorWritten = true;
+ for (int i = 0; i < static_cast<int>(monitorFfs->mEndpointList.size()); i++) {
+ if (access(monitorFfs->mEndpointList.at(i).c_str(), R_OK)) {
+ descriptorWritten = false;
+ break;
+ }
+ }
+
+ // notify here if the endpoints are already present.
+ if (descriptorWritten) {
+ usleep(kPullUpDelay);
+ if (!!WriteStringToFile(monitorFfs->mGadgetName, PULLUP_PATH)) {
+ lock_guard<mutex> lock(monitorFfs->mLock);
+ monitorFfs->mCurrentUsbFunctionsApplied = true;
+ monitorFfs->mCallback(monitorFfs->mCurrentUsbFunctionsApplied, monitorFfs->mPayload);
+ gadgetPullup = true;
+ writeUdc = false;
+ ALOGI("GADGET pulled up");
+ monitorFfs->mCv.notify_all();
+ }
+ }
+
+ while (!stopMonitor) {
+ int nrEvents = epoll_wait(monitorFfs->mEpollFd, events, kEpollEvents, -1);
+
+ if (nrEvents <= 0) {
+ ALOGE("epoll wait did not return descriptor number");
+ continue;
+ }
+
+ for (int i = 0; i < nrEvents; i++) {
+ ALOGI("event=%u on fd=%d\n", events[i].events, events[i].data.fd);
+
+ if (events[i].data.fd == monitorFfs->mInotifyFd) {
+ // Process all of the events in buffer returned by read().
+ int numRead = read(monitorFfs->mInotifyFd, buf, kBufferSize);
+ for (char* p = buf; p < buf + numRead;) {
+ struct inotify_event* event = (struct inotify_event*)p;
+ if (kDebug) displayInotifyEvent(event);
+
+ p += sizeof(struct inotify_event) + event->len;
+
+ bool descriptorPresent = true;
+ for (int j = 0; j < static_cast<int>(monitorFfs->mEndpointList.size()); j++) {
+ if (access(monitorFfs->mEndpointList.at(j).c_str(), R_OK)) {
+ if (kDebug) ALOGI("%s absent", monitorFfs->mEndpointList.at(j).c_str());
+ descriptorPresent = false;
+ break;
+ }
+ }
+
+ if (!descriptorPresent && !writeUdc) {
+ if (kDebug) ALOGI("endpoints not up");
+ writeUdc = true;
+ disconnect = std::chrono::steady_clock::now();
+ } else if (descriptorPresent && writeUdc) {
+ steady_clock::time_point temp = steady_clock::now();
+
+ if (std::chrono::duration_cast<microseconds>(temp - disconnect).count() <
+ kPullUpDelay)
+ usleep(kPullUpDelay);
+
+ if (!!WriteStringToFile(monitorFfs->mGadgetName, PULLUP_PATH)) {
+ lock_guard<mutex> lock(monitorFfs->mLock);
+ monitorFfs->mCurrentUsbFunctionsApplied = true;
+ monitorFfs->mCallback(monitorFfs->mCurrentUsbFunctionsApplied,
+ monitorFfs->mPayload);
+ ALOGI("GADGET pulled up");
+ writeUdc = false;
+ gadgetPullup = true;
+ // notify the main thread to signal userspace.
+ monitorFfs->mCv.notify_all();
+ }
+ }
+ }
+ } else {
+ uint64_t flag;
+ read(monitorFfs->mEventFd, &flag, sizeof(flag));
+ if (flag == 100) {
+ stopMonitor = true;
+ break;
+ }
+ }
+ }
+ }
+ return NULL;
+}
+
+void MonitorFfs::reset() {
+ lock_guard<mutex> lock(mLockFd);
+ uint64_t flag = 100;
+ unsigned long ret;
+
+ if (mMonitorRunning) {
+ // Stop the monitor thread by writing into signal fd.
+ ret = TEMP_FAILURE_RETRY(write(mEventFd, &flag, sizeof(flag)));
+ if (ret < 0) ALOGE("Error writing eventfd errno=%d", errno);
+
+ ALOGI("mMonitor signalled to exit");
+ mMonitor->join();
+ ALOGI("mMonitor destroyed");
+ mMonitorRunning = false;
+ }
+
+ for (std::vector<int>::size_type i = 0; i != mWatchFd.size(); i++)
+ inotify_rm_watch(mInotifyFd, mWatchFd[i]);
+
+ mEndpointList.clear();
+ gadgetPullup = false;
+ mCallback = NULL;
+ mPayload = NULL;
+}
+
+bool MonitorFfs::startMonitor() {
+ mMonitor = unique_ptr<thread>(new thread(this->startMonitorFd, this));
+ mMonitorRunning = true;
+ return true;
+}
+
+bool MonitorFfs::isMonitorRunning() {
+ return mMonitorRunning;
+}
+
+bool MonitorFfs::waitForPullUp(int timeout_ms) {
+ std::unique_lock<std::mutex> lk(mLock);
+
+ if (gadgetPullup) return true;
+
+ if (mCv.wait_for(lk, timeout_ms * 1ms, [] { return gadgetPullup; })) {
+ ALOGI("monitorFfs signalled true");
+ return true;
+ } else {
+ ALOGI("monitorFfs signalled error");
+ // continue monitoring as the descriptors might be written at a later
+ // point.
+ return false;
+ }
+}
+
+bool MonitorFfs::addInotifyFd(string fd) {
+ lock_guard<mutex> lock(mLockFd);
+ int wfd;
+
+ wfd = inotify_add_watch(mInotifyFd, fd.c_str(), IN_ALL_EVENTS);
+ if (wfd == -1)
+ return false;
+ else
+ mWatchFd.push_back(wfd);
+
+ return true;
+}
+
+void MonitorFfs::addEndPoint(string ep) {
+ lock_guard<mutex> lock(mLockFd);
+
+ mEndpointList.push_back(ep);
+}
+
+void MonitorFfs::registerFunctionsAppliedCallback(void (*callback)(bool functionsApplied,
+ void* payload),
+ void* payload) {
+ mCallback = callback;
+ mPayload = payload;
+}
+
+} // namespace gadget
+} // namespace usb
+} // namespace hardware
+} // namespace android
diff --git a/usb/gadget/1.1/default/lib/UsbGadgetUtils.cpp b/usb/gadget/1.1/default/lib/UsbGadgetUtils.cpp
new file mode 100644
index 0000000..8402853
--- /dev/null
+++ b/usb/gadget/1.1/default/lib/UsbGadgetUtils.cpp
@@ -0,0 +1,193 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#define LOG_TAG "libusbconfigfs"
+
+#include "include/UsbGadgetCommon.h"
+
+namespace android {
+namespace hardware {
+namespace usb {
+namespace gadget {
+
+int unlinkFunctions(const char* path) {
+ DIR* config = opendir(path);
+ struct dirent* function;
+ char filepath[kMaxFilePathLength];
+ int ret = 0;
+
+ if (config == NULL) return -1;
+
+ // d_type does not seems to be supported in /config
+ // so filtering by name.
+ while (((function = readdir(config)) != NULL)) {
+ if ((strstr(function->d_name, FUNCTION_NAME) == NULL)) continue;
+ // build the path for each file in the folder.
+ sprintf(filepath, "%s/%s", path, function->d_name);
+ ret = remove(filepath);
+ if (ret) {
+ ALOGE("Unable remove file %s errno:%d", filepath, errno);
+ break;
+ }
+ }
+
+ closedir(config);
+ return ret;
+}
+
+int addEpollFd(const unique_fd& epfd, const unique_fd& fd) {
+ struct epoll_event event;
+ int ret;
+
+ event.data.fd = fd;
+ event.events = EPOLLIN;
+
+ ret = epoll_ctl(epfd, EPOLL_CTL_ADD, fd, &event);
+ if (ret) ALOGE("epoll_ctl error %d", errno);
+
+ return ret;
+}
+
+int linkFunction(const char* function, int index) {
+ char functionPath[kMaxFilePathLength];
+ char link[kMaxFilePathLength];
+
+ sprintf(functionPath, "%s%s", FUNCTIONS_PATH, function);
+ sprintf(link, "%s%d", FUNCTION_PATH, index);
+ if (symlink(functionPath, link)) {
+ ALOGE("Cannot create symlink %s -> %s errno:%d", link, functionPath, errno);
+ return -1;
+ }
+ return 0;
+}
+
+Status setVidPid(const char* vid, const char* pid) {
+ if (!WriteStringToFile(vid, VENDOR_ID_PATH)) return Status::ERROR;
+
+ if (!WriteStringToFile(pid, PRODUCT_ID_PATH)) return Status::ERROR;
+
+ return Status::SUCCESS;
+}
+
+std::string getVendorFunctions() {
+ if (GetProperty(kBuildType, "") == "user") return "user";
+
+ std::string bootMode = GetProperty(PERSISTENT_BOOT_MODE, "");
+ std::string persistVendorFunctions = GetProperty(kPersistentVendorConfig, "");
+ std::string vendorFunctions = GetProperty(kVendorConfig, "");
+ std::string ret = "";
+
+ if (vendorFunctions != "") {
+ ret = vendorFunctions;
+ } else if (bootMode == "usbradio" || bootMode == "factory" || bootMode == "ffbm-00" ||
+ bootMode == "ffbm-01") {
+ if (persistVendorFunctions != "")
+ ret = persistVendorFunctions;
+ else
+ ret = "diag";
+ // vendor.usb.config will reflect the current configured functions
+ SetProperty(kVendorConfig, ret);
+ }
+
+ return ret;
+}
+
+Status resetGadget() {
+ ALOGI("setCurrentUsbFunctions None");
+
+ if (!WriteStringToFile("none", PULLUP_PATH)) ALOGI("Gadget cannot be pulled down");
+
+ if (!WriteStringToFile("0", DEVICE_CLASS_PATH)) return Status::ERROR;
+
+ if (!WriteStringToFile("0", DEVICE_SUB_CLASS_PATH)) return Status::ERROR;
+
+ if (!WriteStringToFile("0", DEVICE_PROTOCOL_PATH)) return Status::ERROR;
+
+ if (!WriteStringToFile("0", DESC_USE_PATH)) return Status::ERROR;
+
+ if (unlinkFunctions(CONFIG_PATH)) return Status::ERROR;
+
+ return Status::SUCCESS;
+}
+
+Status addGenericAndroidFunctions(MonitorFfs* monitorFfs, uint64_t functions, bool* ffsEnabled,
+ int* functionCount) {
+ if (((functions & GadgetFunction::MTP) != 0)) {
+ *ffsEnabled = true;
+ ALOGI("setCurrentUsbFunctions mtp");
+ if (!WriteStringToFile("1", DESC_USE_PATH)) return Status::ERROR;
+
+ if (!monitorFfs->addInotifyFd("/dev/usb-ffs/mtp/")) return Status::ERROR;
+
+ if (linkFunction("ffs.mtp", (*functionCount)++)) return Status::ERROR;
+
+ // Add endpoints to be monitored.
+ monitorFfs->addEndPoint("/dev/usb-ffs/mtp/ep1");
+ monitorFfs->addEndPoint("/dev/usb-ffs/mtp/ep2");
+ monitorFfs->addEndPoint("/dev/usb-ffs/mtp/ep3");
+ } else if (((functions & GadgetFunction::PTP) != 0)) {
+ *ffsEnabled = true;
+ ALOGI("setCurrentUsbFunctions ptp");
+ if (!WriteStringToFile("1", DESC_USE_PATH)) return Status::ERROR;
+
+ if (!monitorFfs->addInotifyFd("/dev/usb-ffs/ptp/")) return Status::ERROR;
+
+ if (linkFunction("ffs.ptp", (*functionCount)++)) return Status::ERROR;
+
+ // Add endpoints to be monitored.
+ monitorFfs->addEndPoint("/dev/usb-ffs/ptp/ep1");
+ monitorFfs->addEndPoint("/dev/usb-ffs/ptp/ep2");
+ monitorFfs->addEndPoint("/dev/usb-ffs/ptp/ep3");
+ }
+
+ if ((functions & GadgetFunction::MIDI) != 0) {
+ ALOGI("setCurrentUsbFunctions MIDI");
+ if (linkFunction("midi.gs5", (*functionCount)++)) return Status::ERROR;
+ }
+
+ if ((functions & GadgetFunction::ACCESSORY) != 0) {
+ ALOGI("setCurrentUsbFunctions Accessory");
+ if (linkFunction("accessory.gs2", (*functionCount)++)) return Status::ERROR;
+ }
+
+ if ((functions & GadgetFunction::AUDIO_SOURCE) != 0) {
+ ALOGI("setCurrentUsbFunctions Audio Source");
+ if (linkFunction("audio_source.gs3", (*functionCount)++)) return Status::ERROR;
+ }
+
+ if ((functions & GadgetFunction::RNDIS) != 0) {
+ ALOGI("setCurrentUsbFunctions rndis");
+ if (linkFunction("gsi.rndis", (*functionCount)++)) return Status::ERROR;
+ }
+
+ return Status::SUCCESS;
+}
+
+Status addAdb(MonitorFfs* monitorFfs, int* functionCount) {
+ ALOGI("setCurrentUsbFunctions Adb");
+ if (!monitorFfs->addInotifyFd("/dev/usb-ffs/adb/")) return Status::ERROR;
+
+ if (linkFunction("ffs.adb", (*functionCount)++)) return Status::ERROR;
+ monitorFfs->addEndPoint("/dev/usb-ffs/adb/ep1");
+ monitorFfs->addEndPoint("/dev/usb-ffs/adb/ep2");
+ ALOGI("Service started");
+ return Status::SUCCESS;
+}
+
+} // namespace gadget
+} // namespace usb
+} // namespace hardware
+} // namespace android
diff --git a/usb/gadget/1.1/default/lib/include/UsbGadgetCommon.h b/usb/gadget/1.1/default/lib/include/UsbGadgetCommon.h
new file mode 100644
index 0000000..b30f18e
--- /dev/null
+++ b/usb/gadget/1.1/default/lib/include/UsbGadgetCommon.h
@@ -0,0 +1,177 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#ifndef HARDWARE_USB_USBGADGETCOMMON_H
+#define HARDWARE_USB_USBGADGETCOMMON_H
+
+#include <android-base/file.h>
+#include <android-base/properties.h>
+#include <android-base/unique_fd.h>
+
+#include <android/hardware/usb/gadget/1.1/IUsbGadget.h>
+
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <sys/epoll.h>
+#include <sys/eventfd.h>
+#include <sys/inotify.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <utils/Log.h>
+#include <chrono>
+#include <condition_variable>
+#include <mutex>
+#include <string>
+#include <thread>
+
+namespace android {
+namespace hardware {
+namespace usb {
+namespace gadget {
+
+constexpr int kBufferSize = 512;
+constexpr int kMaxFilePathLength = 256;
+constexpr int kEpollEvents = 10;
+constexpr bool kDebug = false;
+constexpr int kDisconnectWaitUs = 100000;
+constexpr int kPullUpDelay = 500000;
+constexpr int kShutdownMonitor = 100;
+
+constexpr char kBuildType[] = "ro.build.type";
+constexpr char kPersistentVendorConfig[] = "persist.vendor.usb.usbradio.config";
+constexpr char kVendorConfig[] = "vendor.usb.config";
+
+#define GADGET_PATH "/config/usb_gadget/g1/"
+#define PULLUP_PATH GADGET_PATH "UDC"
+#define PERSISTENT_BOOT_MODE "ro.bootmode"
+#define VENDOR_ID_PATH GADGET_PATH "idVendor"
+#define PRODUCT_ID_PATH GADGET_PATH "idProduct"
+#define DEVICE_CLASS_PATH GADGET_PATH "bDeviceClass"
+#define DEVICE_SUB_CLASS_PATH GADGET_PATH "bDeviceSubClass"
+#define DEVICE_PROTOCOL_PATH GADGET_PATH "bDeviceProtocol"
+#define DESC_USE_PATH GADGET_PATH "os_desc/use"
+#define OS_DESC_PATH GADGET_PATH "os_desc/b.1"
+#define CONFIG_PATH GADGET_PATH "configs/b.1/"
+#define FUNCTIONS_PATH GADGET_PATH "functions/"
+#define FUNCTION_NAME "function"
+#define FUNCTION_PATH CONFIG_PATH FUNCTION_NAME
+#define RNDIS_PATH FUNCTIONS_PATH "gsi.rndis"
+
+using ::android::base::GetProperty;
+using ::android::base::SetProperty;
+using ::android::base::unique_fd;
+using ::android::base::WriteStringToFile;
+using ::android::hardware::usb::gadget::V1_0::GadgetFunction;
+using ::android::hardware::usb::gadget::V1_0::Status;
+
+using ::std::lock_guard;
+using ::std::move;
+using ::std::mutex;
+using ::std::string;
+using ::std::thread;
+using ::std::unique_ptr;
+using ::std::vector;
+using ::std::chrono::microseconds;
+using ::std::chrono::steady_clock;
+using ::std::literals::chrono_literals::operator""ms;
+
+// MonitorFfs automously manages gadget pullup by monitoring
+// the ep file status. Restarts the usb gadget when the ep
+// owner restarts.
+class MonitorFfs {
+ private:
+ // Monitors the endpoints Inotify events.
+ unique_fd mInotifyFd;
+ // Control pipe for shutting down the mMonitor thread.
+ // mMonitor exits when SHUTDOWN_MONITOR is written into
+ // mEventFd/
+ unique_fd mEventFd;
+ // Pools on mInotifyFd and mEventFd.
+ unique_fd mEpollFd;
+ vector<int> mWatchFd;
+
+ // Maintains the list of Endpoints.
+ vector<string> mEndpointList;
+ // protects the CV.
+ std::mutex mLock;
+ std::condition_variable mCv;
+ // protects mInotifyFd, mEpollFd.
+ std::mutex mLockFd;
+
+ // Flag to maintain the current status of gadget pullup.
+ bool mCurrentUsbFunctionsApplied;
+
+ // Thread object that executes the ep monitoring logic.
+ unique_ptr<thread> mMonitor;
+ // Callback to be invoked when gadget is pulled up.
+ void (*mCallback)(bool functionsApplied, void* payload);
+ void* mPayload;
+ // Name of the USB gadget. Used for pullup.
+ const char* const mGadgetName;
+ // Monitor State
+ bool mMonitorRunning;
+
+ public:
+ MonitorFfs(const char* const gadget);
+ // Inits all the UniqueFds.
+ void reset();
+ // Starts monitoring endpoints and pullup the gadget when
+ // the descriptors are written.
+ bool startMonitor();
+ // Waits for timeout_ms for gadget pull up to happen.
+ // Returns immediately if the gadget is already pulled up.
+ bool waitForPullUp(int timeout_ms);
+ // Adds the given fd to the watch list.
+ bool addInotifyFd(string fd);
+ // Adds the given endpoint to the watch list.
+ void addEndPoint(string ep);
+ // Registers the async callback from the caller to notify the caller
+ // when the gadget pull up happens.
+ void registerFunctionsAppliedCallback(void (*callback)(bool functionsApplied, void*(payload)),
+ void* payload);
+ bool isMonitorRunning();
+ // Ep monitoring and the gadget pull up logic.
+ static void* startMonitorFd(void* param);
+};
+
+//**************** Helper functions ************************//
+
+// Adds the given fd to the epollfd(epfd).
+int addEpollFd(const unique_fd& epfd, const unique_fd& fd);
+// Removes all the usb functions link in the specified path.
+int unlinkFunctions(const char* path);
+// Craetes a configfs link for the function.
+int linkFunction(const char* function, int index);
+// Sets the USB VID and PID.
+Status setVidPid(const char* vid, const char* pid);
+// Extracts vendor functions from the vendor init properties.
+std::string getVendorFunctions();
+// Adds Adb to the usb configuration.
+Status addAdb(MonitorFfs* monitorFfs, int* functionCount);
+// Adds all applicable generic android usb functions other than ADB.
+Status addGenericAndroidFunctions(MonitorFfs* monitorFfs, uint64_t functions, bool* ffsEnabled,
+ int* functionCount);
+// Pulls down USB gadget.
+Status resetGadget();
+
+} // namespace gadget
+} // namespace usb
+} // namespace hardware
+} // namespace android
+#endif
diff --git a/usb/gadget/1.1/default/service.cpp b/usb/gadget/1.1/default/service.cpp
new file mode 100644
index 0000000..7414e89
--- /dev/null
+++ b/usb/gadget/1.1/default/service.cpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#define LOG_TAG "android.hardware.usb.gadget@1.1-service"
+
+#include <hidl/HidlTransportSupport.h>
+#include "UsbGadget.h"
+
+using android::sp;
+
+// libhwbinder:
+using android::hardware::configureRpcThreadpool;
+using android::hardware::joinRpcThreadpool;
+
+// Generated HIDL files
+using android::hardware::usb::gadget::V1_1::IUsbGadget;
+using android::hardware::usb::gadget::V1_1::implementation::UsbGadget;
+
+using android::OK;
+using android::status_t;
+
+int main() {
+ configureRpcThreadpool(1, true /*callerWillJoin*/);
+
+ android::sp<IUsbGadget> service2 = new UsbGadget();
+
+ status_t status = service2->registerAsService();
+
+ if (status != OK) {
+ ALOGE("Cannot register USB Gadget HAL service");
+ return 1;
+ }
+
+ ALOGI("USB Gadget HAL Ready.");
+ joinRpcThreadpool();
+ // Under noraml cases, execution will not reach this line.
+ ALOGI("USB Gadget HAL failed to join thread pool.");
+ return 1;
+}