/**************************************************************************/ /*!
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@File physmem_dmabuf.h
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@Title Header for dmabuf PMR factory
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@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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@Description Part of the memory management. This module is responsible for
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implementing the function callbacks importing Ion allocations
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@License Dual MIT/GPLv2
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The contents of this file are subject to the MIT license as set out below.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 2 ("GPL") in which case the provisions
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of GPL are applicable instead of those above.
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If you wish to allow use of your version of this file only under the terms of
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GPL, and not to allow others to use your version of this file under the terms
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of the MIT license, indicate your decision by deleting the provisions above
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and replace them with the notice and other provisions required by GPL as set
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out in the file called "GPL-COPYING" included in this distribution. If you do
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not delete the provisions above, a recipient may use your version of this file
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under the terms of either the MIT license or GPL.
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This License is also included in this distribution in the file called
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"MIT-COPYING".
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EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
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PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/ /***************************************************************************/
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#if !defined(_PHYSMEM_DMABUF_H_)
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#define _PHYSMEM_DMABUF_H_
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#include <linux/dma-buf.h>
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#if defined(__KERNEL__) && defined(LINUX) && !defined(__GENKSYMS__)
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#define __pvrsrv_defined_struct_enum__
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#include <services_kernel_client.h>
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#endif
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#include "img_types.h"
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#include "pvrsrv_error.h"
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#include "pvrsrv_memallocflags.h"
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#include "connection_server.h"
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#include "pmr.h"
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typedef PVRSRV_ERROR (*PFN_DESTROY_DMABUF_PMR)(PHYS_HEAP *psHeap,
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struct dma_buf_attachment *psAttachment);
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PVRSRV_ERROR
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PhysmemCreateNewDmaBufBackedPMR(PVRSRV_DEVICE_NODE *psDevNode,
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PHYS_HEAP *psHeap,
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struct dma_buf_attachment *psAttachment,
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PFN_DESTROY_DMABUF_PMR pfnDestroy,
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PVRSRV_MEMALLOCFLAGS_T uiFlags,
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IMG_DEVMEM_SIZE_T uiChunkSize,
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IMG_UINT32 ui32NumPhysChunks,
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IMG_UINT32 ui32NumVirtChunks,
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IMG_UINT32 *pui32MappingTable,
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PMR **ppsPMRPtr);
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struct dma_buf *
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PhysmemGetDmaBuf(PMR *psPMR);
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PVRSRV_ERROR
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PhysmemExportDmaBuf(CONNECTION_DATA *psConnection,
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PVRSRV_DEVICE_NODE *psDevNode,
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PMR *psPMR,
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IMG_INT *piFd);
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PVRSRV_ERROR
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PhysmemImportDmaBuf(CONNECTION_DATA *psConnection,
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PVRSRV_DEVICE_NODE *psDevNode,
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IMG_INT fd,
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PVRSRV_MEMALLOCFLAGS_T uiFlags,
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PMR **ppsPMRPtr,
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IMG_DEVMEM_SIZE_T *puiSize,
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IMG_DEVMEM_ALIGN_T *puiAlign);
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PVRSRV_ERROR
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PhysmemImportSparseDmaBuf(CONNECTION_DATA *psConnection,
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PVRSRV_DEVICE_NODE *psDevNode,
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IMG_INT fd,
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PVRSRV_MEMALLOCFLAGS_T uiFlags,
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IMG_DEVMEM_SIZE_T uiChunkSize,
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IMG_UINT32 ui32NumPhysChunks,
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IMG_UINT32 ui32NumVirtChunks,
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IMG_UINT32 *pui32MappingTable,
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PMR **ppsPMRPtr,
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IMG_DEVMEM_SIZE_T *puiSize,
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IMG_DEVMEM_ALIGN_T *puiAlign);
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#endif /* !defined(_PHYSMEM_DMABUF_H_) */
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