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