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/**
* Copyright (C) 2017 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.cas@1.0;
enum Status : uint32_t {
/**
* The CAS plugin must return OK when an operation completes without any
* errors.
*/
OK,
/**
* The CAS plugin must return ERROR_CAS_NO_LICENSE, when descrambling is
* attempted and no license keys have been provided.
*/
ERROR_CAS_NO_LICENSE,
/**
* ERROR_CAS_LICENSE_EXPIRED must be returned when an attempt is made
* to use a license and the keys in that license have expired.
*/
ERROR_CAS_LICENSE_EXPIRED,
/**
* The CAS plugin must return ERROR_CAS_SESSION_NOT_OPENED when an
* attempt is made to use a session that has not been opened.
*/
ERROR_CAS_SESSION_NOT_OPENED,
/**
* The CAS plugin must return ERROR_CAS_CANNOT_HANDLE when an unsupported
* data format or operation is attempted.
*/
ERROR_CAS_CANNOT_HANDLE,
/**
* ERROR_CAS_INVALID_STATE must be returned when the device is in a state
* where it is not able to perform descrambling.
*/
ERROR_CAS_INVALID_STATE,
/**
* The CAS plugin must return BAD_VALUE whenever an illegal parameter is
* passed to one of the interface functions.
*/
BAD_VALUE,
/**
* The CAS plugin must return ERROR_CAS_NOT_PROVISIONED when the device
* has not yet been provisioned.
*/
ERROR_CAS_NOT_PROVISIONED,
/**
* ERROR_CAS_RESOURCE_BUSY must be returned when resources, such as CAS
* sessions or secure buffers are not available to perform a requested
* operation because they are already in use.
*/
ERROR_CAS_RESOURCE_BUSY,
/**
* The CAS Plugin must return ERROR_CAS_INSUFFICIENT_OUTPUT_PROTECTION
* when the output protection level enabled on the device is not
* sufficient to meet the requirements in the license policy. HDCP is an
* example of a form of output protection.
*/
ERROR_CAS_INSUFFICIENT_OUTPUT_PROTECTION,
/**
* The CAS Plugin must return ERROR_CAS_TAMPER_DETECTED if an attempt to
* tamper with the CAS system is detected.
*/
ERROR_CAS_TAMPER_DETECTED,
/**
* The CAS Plugin must return ERROR_CAS_DEVICE_REVOKED if the response
* indicates that the device has been revoked. Device revocation means
* that the device is no longer permitted to play content.
*/
ERROR_CAS_DEVICE_REVOKED,
/**
* The CAS plugin must return ERROR_CAS_DECRYPT_UNIT_NOT_INITIALIZED when
* descrambling is failing because the session is not initialized properly.
*/
ERROR_CAS_DECRYPT_UNIT_NOT_INITIALIZED,
/**
* The CAS Plugin must return ERROR_CAS_DECRYPT if the DescramblerPlugin's
* descramble operation fails.
*/
ERROR_CAS_DECRYPT,
/**
* ERROR_CAS_UNKNOWN must be returned when a fatal failure occurs and no
* other defined error is appropriate.
*/
ERROR_CAS_UNKNOWN,
};
typedef vec<uint8_t> HidlCasSessionId;
typedef vec<uint8_t> HidlCasData;
/**
* Describes a CAS plugin with its system id and name.
*/
struct HidlCasPluginDescriptor {
int32_t caSystemId;
string name;
};
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