openpilot v0.6 release

phonelibs/android_frameworks_native/include/binder/IMemory.h

@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2007 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_IMEMORY_H
+#define ANDROID_IMEMORY_H
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+
+#include <utils/RefBase.h>
+#include <utils/Errors.h>
+#include <binder/IInterface.h>
+
+namespace android {
+
+// ----------------------------------------------------------------------------
+
+class IMemoryHeap : public IInterface
+{
+public:
+    DECLARE_META_INTERFACE(MemoryHeap);
+
+    // flags returned by getFlags()
+    enum {
+        READ_ONLY   = 0x00000001,
+#ifdef USE_MEMORY_HEAP_ION
+        USE_ION_FD  = 0x00008000
+#else
+        USE_ION_FD  = 0x00000008
+#endif
+    };
+
+    virtual int         getHeapID() const = 0;
+    virtual void*       getBase() const = 0;
+    virtual size_t      getSize() const = 0;
+    virtual uint32_t    getFlags() const = 0;
+    virtual uint32_t    getOffset() const = 0;
+
+    // these are there just for backward source compatibility
+    int32_t heapID() const { return getHeapID(); }
+    void*   base() const  { return getBase(); }
+    size_t  virtualSize() const { return getSize(); }
+};
+
+class BnMemoryHeap : public BnInterface<IMemoryHeap>
+{
+public:
+    virtual status_t onTransact( 
+            uint32_t code,
+            const Parcel& data,
+            Parcel* reply,
+            uint32_t flags = 0);
+    
+    BnMemoryHeap();
+protected:
+    virtual ~BnMemoryHeap();
+};
+
+// ----------------------------------------------------------------------------
+
+class IMemory : public IInterface
+{
+public:
+    DECLARE_META_INTERFACE(Memory);
+
+    virtual sp<IMemoryHeap> getMemory(ssize_t* offset=0, size_t* size=0) const = 0;
+
+    // helpers
+    void* fastPointer(const sp<IBinder>& heap, ssize_t offset) const;
+    void* pointer() const;
+    size_t size() const;
+    ssize_t offset() const;
+};
+
+class BnMemory : public BnInterface<IMemory>
+{
+public:
+    virtual status_t onTransact(
+            uint32_t code,
+            const Parcel& data,
+            Parcel* reply,
+            uint32_t flags = 0);
+
+    BnMemory();
+protected:
+    virtual ~BnMemory();
+};
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_IMEMORY_H