Files
android_vendor_qcom_opensou…/libgralloc/alloc_controller.h
Shalaj Jain 3b0b57062a sde: Change the secure buffer alignment requirement
Change the secure buffer alignment requirement to accomodate
both new system secure heap and old MM CMA heap between master
side and slave side CP architectures.

Change-Id: If1f8e2d67a9658d02faebfdfb12c7e6b68527589
2015-05-12 14:26:29 -07:00

84 lines
2.6 KiB
C++

/*
* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GRALLOC_ALLOCCONTROLLER_H
#define GRALLOC_ALLOCCONTROLLER_H
#define SZ_2M 0x200000
#define SZ_1M 0x100000
#define SZ_4K 0x1000
/* TODO: Move this to the common makefile */
#ifdef MASTER_SIDE_CP
#define SECURE_ALIGN SZ_4K
#else
#define SECURE_ALIGN SZ_1M
#endif
namespace gralloc {
struct alloc_data;
class IMemAlloc;
class IonAlloc;
class IAllocController {
public:
/* Allocate using a suitable method
* Returns the type of buffer allocated
*/
virtual int allocate(alloc_data& data, int usage) = 0;
virtual IMemAlloc* getAllocator(int flags) = 0;
virtual ~IAllocController() {};
static IAllocController* getInstance(void);
private:
static IAllocController* sController;
};
class IonController : public IAllocController {
public:
virtual int allocate(alloc_data& data, int usage);
virtual IMemAlloc* getAllocator(int flags);
IonController();
private:
IonAlloc* mIonAlloc;
void allocateIonMem();
};
} //end namespace gralloc
#endif // GRALLOC_ALLOCCONTROLLER_H