ivila commented on code in PR #209: URL: https://github.com/apache/incubator-teaclave-trustzone-sdk/pull/209#discussion_r2200265727
########## optee-utee/src/object/object_info.rs: ########## @@ -0,0 +1,78 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you 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. + +use optee_utee_sys as raw; + +/// Represent the characteristics of an object. +/// This info can be returned by [GenericObject](crate::GenericObject) function +/// [info](crate::GenericObject::info) +pub struct ObjectInfo { + pub(crate) raw: raw::TEE_ObjectInfo, +} + +// Since raw struct is not implemented Copy attribute yet, every item in raw +// struct needs a function to extract. +impl ObjectInfo { + /// Return an [ObjectInfo](crate::ObjectInfo) struct based on the raw + /// structure `TEE_ObjectInfo`. + /// The raw structure contains following fields: + /// + /// 1) `objectType`: The parameter represents one of the + /// [TransientObjectType](crate::TransientObjectType). + /// 2) `objectSize`: The current size in bits of the object as determined + /// by its attributes. + /// This will always be less than or equal to maxObjectSize. Set to 0 for + /// uninitialized and data only objects. + /// 3) `maxObjectSize`: The maximum objectSize which this object can + /// represent. + /// * For a [PersistentObject](crate::PersistentObject), set to + /// `objectSize`. + /// * For a [TransientObject](crate::TransientObject), set to the + /// parameter `maxObjectSize` passed to + /// [allocate](crate::TransientObject::allocate). + /// 4) `objectUsage`: A bit vector of UsageFlag. + /// 5) `dataSize`: + /// * For a [PersistentObject](crate::PersistentObject), set to the + /// current size of the data associated with the object. + /// * For a [TransientObject](crate::TransientObject), always set to 0. + /// 6) `dataPosition`: + /// * For a [PersistentObject](crate::PersistentObject), set to the + /// current position in the data for this handle. + /// Data positions for different handles on the same object may + /// differ. + /// * For a [TransientObject](crate::TransientObject), set to 0. + /// 7) `handleFlags`: A bit vector containing one or more + /// [HandleFlag](crate::HandleFlag) or [DataFlag](crate::DataFlag). + pub fn from_raw(raw: raw::TEE_ObjectInfo) -> Self { + Self { raw } + } + + /// Return the `dataSize` field of the raw structure `TEE_ObjectInfo`. + pub fn data_size(&self) -> usize { Review Comment: skip -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: dev-unsubscr...@teaclave.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@teaclave.apache.org For additional commands, e-mail: dev-h...@teaclave.apache.org
