| /*************************************************************************/ /*! |
| @File |
| @Title Server bridge for pvrtl |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @Description Implements the server side of the bridge for pvrtl |
| @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. |
| */ /**************************************************************************/ |
| |
| #include <stddef.h> |
| #include <asm/uaccess.h> |
| |
| #include "img_defs.h" |
| |
| #include "tlserver.h" |
| |
| |
| #include "common_pvrtl_bridge.h" |
| |
| #include "allocmem.h" |
| #include "pvr_debug.h" |
| #include "connection_server.h" |
| #include "pvr_bridge.h" |
| #include "rgx_bridge.h" |
| #include "srvcore.h" |
| #include "handle.h" |
| |
| #include <linux/slab.h> |
| |
| |
| |
| |
| |
| |
| /* *************************************************************************** |
| * Server-side bridge entry points |
| */ |
| |
| static IMG_INT |
| PVRSRVBridgeTLOpenStream(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_TLOPENSTREAM *psTLOpenStreamIN, |
| PVRSRV_BRIDGE_OUT_TLOPENSTREAM *psTLOpenStreamOUT, |
| CONNECTION_DATA *psConnection) |
| { |
| IMG_CHAR *uiNameInt = NULL; |
| TL_STREAM_DESC * psSDInt = NULL; |
| PMR * psTLPMRInt = NULL; |
| |
| IMG_UINT32 ui32NextOffset = 0; |
| IMG_BYTE *pArrayArgsBuffer = NULL; |
| #if !defined(INTEGRITY_OS) |
| IMG_BOOL bHaveEnoughSpace = IMG_FALSE; |
| #endif |
| |
| IMG_UINT32 ui32BufferSize = |
| (PRVSRVTL_MAX_STREAM_NAME_SIZE * sizeof(IMG_CHAR)) + |
| 0; |
| |
| |
| |
| |
| psTLOpenStreamOUT->hSD = NULL; |
| |
| if (ui32BufferSize != 0) |
| { |
| #if !defined(INTEGRITY_OS) |
| /* Try to use remainder of input buffer for copies if possible, word-aligned for safety. */ |
| IMG_UINT32 ui32InBufferOffset = PVR_ALIGN(sizeof(*psTLOpenStreamIN), sizeof(unsigned long)); |
| IMG_UINT32 ui32InBufferExcessSize = ui32InBufferOffset >= PVRSRV_MAX_BRIDGE_IN_SIZE ? 0 : |
| PVRSRV_MAX_BRIDGE_IN_SIZE - ui32InBufferOffset; |
| |
| bHaveEnoughSpace = ui32BufferSize <= ui32InBufferExcessSize; |
| if (bHaveEnoughSpace) |
| { |
| IMG_BYTE *pInputBuffer = (IMG_BYTE *)psTLOpenStreamIN; |
| |
| pArrayArgsBuffer = &pInputBuffer[ui32InBufferOffset]; |
| } |
| else |
| #endif |
| { |
| pArrayArgsBuffer = OSAllocMemNoStats(ui32BufferSize); |
| |
| if(!pArrayArgsBuffer) |
| { |
| psTLOpenStreamOUT->eError = PVRSRV_ERROR_OUT_OF_MEMORY; |
| goto TLOpenStream_exit; |
| } |
| } |
| } |
| |
| |
| { |
| uiNameInt = (IMG_CHAR*)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset); |
| ui32NextOffset += PRVSRVTL_MAX_STREAM_NAME_SIZE * sizeof(IMG_CHAR); |
| } |
| |
| /* Copy the data over */ |
| if (PRVSRVTL_MAX_STREAM_NAME_SIZE * sizeof(IMG_CHAR) > 0) |
| { |
| if ( OSCopyFromUser(NULL, uiNameInt, psTLOpenStreamIN->puiName, PRVSRVTL_MAX_STREAM_NAME_SIZE * sizeof(IMG_CHAR)) != PVRSRV_OK ) |
| { |
| psTLOpenStreamOUT->eError = PVRSRV_ERROR_INVALID_PARAMS; |
| |
| goto TLOpenStream_exit; |
| } |
| } |
| |
| |
| psTLOpenStreamOUT->eError = |
| TLServerOpenStreamKM( |
| uiNameInt, |
| psTLOpenStreamIN->ui32Mode, |
| &psSDInt, |
| &psTLPMRInt); |
| /* Exit early if bridged call fails */ |
| if(psTLOpenStreamOUT->eError != PVRSRV_OK) |
| { |
| goto TLOpenStream_exit; |
| } |
| |
| /* Lock over handle creation. */ |
| LockHandle(); |
| |
| |
| |
| |
| |
| psTLOpenStreamOUT->eError = PVRSRVAllocHandleUnlocked(psConnection->psHandleBase, |
| |
| &psTLOpenStreamOUT->hSD, |
| (void *) psSDInt, |
| PVRSRV_HANDLE_TYPE_PVR_TL_SD, |
| PVRSRV_HANDLE_ALLOC_FLAG_MULTI |
| ,(PFN_HANDLE_RELEASE)&TLServerCloseStreamKM); |
| if (psTLOpenStreamOUT->eError != PVRSRV_OK) |
| { |
| UnlockHandle(); |
| goto TLOpenStream_exit; |
| } |
| |
| |
| |
| |
| |
| |
| psTLOpenStreamOUT->eError = PVRSRVAllocSubHandleUnlocked(psConnection->psHandleBase, |
| |
| &psTLOpenStreamOUT->hTLPMR, |
| (void *) psTLPMRInt, |
| PVRSRV_HANDLE_TYPE_PMR_LOCAL_EXPORT_HANDLE, |
| PVRSRV_HANDLE_ALLOC_FLAG_MULTI |
| ,psTLOpenStreamOUT->hSD); |
| if (psTLOpenStreamOUT->eError != PVRSRV_OK) |
| { |
| UnlockHandle(); |
| goto TLOpenStream_exit; |
| } |
| |
| /* Release now we have created handles. */ |
| UnlockHandle(); |
| |
| |
| |
| TLOpenStream_exit: |
| |
| |
| |
| if (psTLOpenStreamOUT->eError != PVRSRV_OK) |
| { |
| /* Lock over handle creation cleanup. */ |
| LockHandle(); |
| if (psTLOpenStreamOUT->hSD) |
| { |
| |
| |
| PVRSRV_ERROR eError = PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase, |
| (IMG_HANDLE) psTLOpenStreamOUT->hSD, |
| PVRSRV_HANDLE_TYPE_PVR_TL_SD); |
| if ((eError != PVRSRV_OK) && (eError != PVRSRV_ERROR_RETRY)) |
| { |
| PVR_DPF((PVR_DBG_ERROR, |
| "PVRSRVBridgeTLOpenStream: %s", |
| PVRSRVGetErrorStringKM(eError))); |
| } |
| /* Releasing the handle should free/destroy/release the resource. |
| * This should never fail... */ |
| PVR_ASSERT((eError == PVRSRV_OK) || (eError == PVRSRV_ERROR_RETRY)); |
| |
| /* Avoid freeing/destroying/releasing the resource a second time below */ |
| psSDInt = NULL; |
| } |
| |
| |
| /* Release now we have cleaned up creation handles. */ |
| UnlockHandle(); |
| if (psSDInt) |
| { |
| TLServerCloseStreamKM(psSDInt); |
| } |
| } |
| |
| /* Allocated space should be equal to the last updated offset */ |
| PVR_ASSERT(ui32BufferSize == ui32NextOffset); |
| |
| #if defined(INTEGRITY_OS) |
| if(pArrayArgsBuffer) |
| #else |
| if(!bHaveEnoughSpace && pArrayArgsBuffer) |
| #endif |
| OSFreeMemNoStats(pArrayArgsBuffer); |
| |
| |
| return 0; |
| } |
| |
| |
| static IMG_INT |
| PVRSRVBridgeTLCloseStream(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_TLCLOSESTREAM *psTLCloseStreamIN, |
| PVRSRV_BRIDGE_OUT_TLCLOSESTREAM *psTLCloseStreamOUT, |
| CONNECTION_DATA *psConnection) |
| { |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| /* Lock over handle destruction. */ |
| LockHandle(); |
| |
| |
| |
| |
| |
| psTLCloseStreamOUT->eError = |
| PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase, |
| (IMG_HANDLE) psTLCloseStreamIN->hSD, |
| PVRSRV_HANDLE_TYPE_PVR_TL_SD); |
| if ((psTLCloseStreamOUT->eError != PVRSRV_OK) && |
| (psTLCloseStreamOUT->eError != PVRSRV_ERROR_RETRY)) |
| { |
| PVR_DPF((PVR_DBG_ERROR, |
| "PVRSRVBridgeTLCloseStream: %s", |
| PVRSRVGetErrorStringKM(psTLCloseStreamOUT->eError))); |
| UnlockHandle(); |
| goto TLCloseStream_exit; |
| } |
| |
| /* Release now we have destroyed handles. */ |
| UnlockHandle(); |
| |
| |
| |
| TLCloseStream_exit: |
| |
| |
| |
| |
| return 0; |
| } |
| |
| |
| static IMG_INT |
| PVRSRVBridgeTLAcquireData(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_TLACQUIREDATA *psTLAcquireDataIN, |
| PVRSRV_BRIDGE_OUT_TLACQUIREDATA *psTLAcquireDataOUT, |
| CONNECTION_DATA *psConnection) |
| { |
| IMG_HANDLE hSD = psTLAcquireDataIN->hSD; |
| TL_STREAM_DESC * psSDInt = NULL; |
| |
| |
| |
| |
| |
| |
| |
| /* Lock over handle lookup. */ |
| LockHandle(); |
| |
| |
| |
| |
| |
| { |
| /* Look up the address from the handle */ |
| psTLAcquireDataOUT->eError = |
| PVRSRVLookupHandleUnlocked(psConnection->psHandleBase, |
| (void **) &psSDInt, |
| hSD, |
| PVRSRV_HANDLE_TYPE_PVR_TL_SD, |
| IMG_TRUE); |
| if(psTLAcquireDataOUT->eError != PVRSRV_OK) |
| { |
| UnlockHandle(); |
| goto TLAcquireData_exit; |
| } |
| } |
| /* Release now we have looked up handles. */ |
| UnlockHandle(); |
| |
| psTLAcquireDataOUT->eError = |
| TLServerAcquireDataKM( |
| psSDInt, |
| &psTLAcquireDataOUT->ui32ReadOffset, |
| &psTLAcquireDataOUT->ui32ReadLen); |
| |
| |
| |
| |
| TLAcquireData_exit: |
| |
| /* Lock over handle lookup cleanup. */ |
| LockHandle(); |
| |
| |
| |
| |
| |
| |
| { |
| /* Unreference the previously looked up handle */ |
| if(psSDInt) |
| { |
| PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase, |
| hSD, |
| PVRSRV_HANDLE_TYPE_PVR_TL_SD); |
| } |
| } |
| /* Release now we have cleaned up look up handles. */ |
| UnlockHandle(); |
| |
| |
| return 0; |
| } |
| |
| |
| static IMG_INT |
| PVRSRVBridgeTLReleaseData(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_TLRELEASEDATA *psTLReleaseDataIN, |
| PVRSRV_BRIDGE_OUT_TLRELEASEDATA *psTLReleaseDataOUT, |
| CONNECTION_DATA *psConnection) |
| { |
| IMG_HANDLE hSD = psTLReleaseDataIN->hSD; |
| TL_STREAM_DESC * psSDInt = NULL; |
| |
| |
| |
| |
| |
| |
| |
| /* Lock over handle lookup. */ |
| LockHandle(); |
| |
| |
| |
| |
| |
| { |
| /* Look up the address from the handle */ |
| psTLReleaseDataOUT->eError = |
| PVRSRVLookupHandleUnlocked(psConnection->psHandleBase, |
| (void **) &psSDInt, |
| hSD, |
| PVRSRV_HANDLE_TYPE_PVR_TL_SD, |
| IMG_TRUE); |
| if(psTLReleaseDataOUT->eError != PVRSRV_OK) |
| { |
| UnlockHandle(); |
| goto TLReleaseData_exit; |
| } |
| } |
| /* Release now we have looked up handles. */ |
| UnlockHandle(); |
| |
| psTLReleaseDataOUT->eError = |
| TLServerReleaseDataKM( |
| psSDInt, |
| psTLReleaseDataIN->ui32ReadOffset, |
| psTLReleaseDataIN->ui32ReadLen); |
| |
| |
| |
| |
| TLReleaseData_exit: |
| |
| /* Lock over handle lookup cleanup. */ |
| LockHandle(); |
| |
| |
| |
| |
| |
| |
| { |
| /* Unreference the previously looked up handle */ |
| if(psSDInt) |
| { |
| PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase, |
| hSD, |
| PVRSRV_HANDLE_TYPE_PVR_TL_SD); |
| } |
| } |
| /* Release now we have cleaned up look up handles. */ |
| UnlockHandle(); |
| |
| |
| return 0; |
| } |
| |
| |
| static IMG_INT |
| PVRSRVBridgeTLDiscoverStreams(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_TLDISCOVERSTREAMS *psTLDiscoverStreamsIN, |
| PVRSRV_BRIDGE_OUT_TLDISCOVERSTREAMS *psTLDiscoverStreamsOUT, |
| CONNECTION_DATA *psConnection) |
| { |
| IMG_CHAR *uiNamePatternInt = NULL; |
| IMG_CHAR *puiStreamsInt = NULL; |
| |
| IMG_UINT32 ui32NextOffset = 0; |
| IMG_BYTE *pArrayArgsBuffer = NULL; |
| #if !defined(INTEGRITY_OS) |
| IMG_BOOL bHaveEnoughSpace = IMG_FALSE; |
| #endif |
| |
| IMG_UINT32 ui32BufferSize = |
| (PRVSRVTL_MAX_STREAM_NAME_SIZE * sizeof(IMG_CHAR)) + |
| (psTLDiscoverStreamsIN->ui32Size * sizeof(IMG_CHAR)) + |
| 0; |
| |
| |
| PVR_UNREFERENCED_PARAMETER(psConnection); |
| |
| psTLDiscoverStreamsOUT->puiStreams = psTLDiscoverStreamsIN->puiStreams; |
| |
| |
| if (ui32BufferSize != 0) |
| { |
| #if !defined(INTEGRITY_OS) |
| /* Try to use remainder of input buffer for copies if possible, word-aligned for safety. */ |
| IMG_UINT32 ui32InBufferOffset = PVR_ALIGN(sizeof(*psTLDiscoverStreamsIN), sizeof(unsigned long)); |
| IMG_UINT32 ui32InBufferExcessSize = ui32InBufferOffset >= PVRSRV_MAX_BRIDGE_IN_SIZE ? 0 : |
| PVRSRV_MAX_BRIDGE_IN_SIZE - ui32InBufferOffset; |
| |
| bHaveEnoughSpace = ui32BufferSize <= ui32InBufferExcessSize; |
| if (bHaveEnoughSpace) |
| { |
| IMG_BYTE *pInputBuffer = (IMG_BYTE *)psTLDiscoverStreamsIN; |
| |
| pArrayArgsBuffer = &pInputBuffer[ui32InBufferOffset]; |
| } |
| else |
| #endif |
| { |
| pArrayArgsBuffer = OSAllocMemNoStats(ui32BufferSize); |
| |
| if(!pArrayArgsBuffer) |
| { |
| psTLDiscoverStreamsOUT->eError = PVRSRV_ERROR_OUT_OF_MEMORY; |
| goto TLDiscoverStreams_exit; |
| } |
| } |
| } |
| |
| |
| { |
| uiNamePatternInt = (IMG_CHAR*)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset); |
| ui32NextOffset += PRVSRVTL_MAX_STREAM_NAME_SIZE * sizeof(IMG_CHAR); |
| } |
| |
| /* Copy the data over */ |
| if (PRVSRVTL_MAX_STREAM_NAME_SIZE * sizeof(IMG_CHAR) > 0) |
| { |
| if ( OSCopyFromUser(NULL, uiNamePatternInt, psTLDiscoverStreamsIN->puiNamePattern, PRVSRVTL_MAX_STREAM_NAME_SIZE * sizeof(IMG_CHAR)) != PVRSRV_OK ) |
| { |
| psTLDiscoverStreamsOUT->eError = PVRSRV_ERROR_INVALID_PARAMS; |
| |
| goto TLDiscoverStreams_exit; |
| } |
| } |
| if (psTLDiscoverStreamsIN->ui32Size != 0) |
| { |
| puiStreamsInt = (IMG_CHAR*)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset); |
| ui32NextOffset += psTLDiscoverStreamsIN->ui32Size * sizeof(IMG_CHAR); |
| } |
| |
| |
| |
| psTLDiscoverStreamsOUT->eError = |
| TLServerDiscoverStreamsKM( |
| uiNamePatternInt, |
| psTLDiscoverStreamsIN->ui32Size, |
| puiStreamsInt, |
| &psTLDiscoverStreamsOUT->ui32NumFound); |
| |
| |
| |
| if ((psTLDiscoverStreamsIN->ui32Size * sizeof(IMG_CHAR)) > 0) |
| { |
| if ( OSCopyToUser(NULL, psTLDiscoverStreamsOUT->puiStreams, puiStreamsInt, |
| (psTLDiscoverStreamsIN->ui32Size * sizeof(IMG_CHAR))) != PVRSRV_OK ) |
| { |
| psTLDiscoverStreamsOUT->eError = PVRSRV_ERROR_INVALID_PARAMS; |
| |
| goto TLDiscoverStreams_exit; |
| } |
| } |
| |
| |
| TLDiscoverStreams_exit: |
| |
| |
| |
| /* Allocated space should be equal to the last updated offset */ |
| PVR_ASSERT(ui32BufferSize == ui32NextOffset); |
| |
| #if defined(INTEGRITY_OS) |
| if(pArrayArgsBuffer) |
| #else |
| if(!bHaveEnoughSpace && pArrayArgsBuffer) |
| #endif |
| OSFreeMemNoStats(pArrayArgsBuffer); |
| |
| |
| return 0; |
| } |
| |
| |
| static IMG_INT |
| PVRSRVBridgeTLReserveStream(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_TLRESERVESTREAM *psTLReserveStreamIN, |
| PVRSRV_BRIDGE_OUT_TLRESERVESTREAM *psTLReserveStreamOUT, |
| CONNECTION_DATA *psConnection) |
| { |
| IMG_HANDLE hSD = psTLReserveStreamIN->hSD; |
| TL_STREAM_DESC * psSDInt = NULL; |
| |
| |
| |
| |
| |
| |
| |
| /* Lock over handle lookup. */ |
| LockHandle(); |
| |
| |
| |
| |
| |
| { |
| /* Look up the address from the handle */ |
| psTLReserveStreamOUT->eError = |
| PVRSRVLookupHandleUnlocked(psConnection->psHandleBase, |
| (void **) &psSDInt, |
| hSD, |
| PVRSRV_HANDLE_TYPE_PVR_TL_SD, |
| IMG_TRUE); |
| if(psTLReserveStreamOUT->eError != PVRSRV_OK) |
| { |
| UnlockHandle(); |
| goto TLReserveStream_exit; |
| } |
| } |
| /* Release now we have looked up handles. */ |
| UnlockHandle(); |
| |
| psTLReserveStreamOUT->eError = |
| TLServerReserveStreamKM( |
| psSDInt, |
| &psTLReserveStreamOUT->ui32BufferOffset, |
| psTLReserveStreamIN->ui32Size, |
| psTLReserveStreamIN->ui32SizeMin, |
| &psTLReserveStreamOUT->ui32Available); |
| |
| |
| |
| |
| TLReserveStream_exit: |
| |
| /* Lock over handle lookup cleanup. */ |
| LockHandle(); |
| |
| |
| |
| |
| |
| |
| { |
| /* Unreference the previously looked up handle */ |
| if(psSDInt) |
| { |
| PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase, |
| hSD, |
| PVRSRV_HANDLE_TYPE_PVR_TL_SD); |
| } |
| } |
| /* Release now we have cleaned up look up handles. */ |
| UnlockHandle(); |
| |
| |
| return 0; |
| } |
| |
| |
| static IMG_INT |
| PVRSRVBridgeTLCommitStream(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_TLCOMMITSTREAM *psTLCommitStreamIN, |
| PVRSRV_BRIDGE_OUT_TLCOMMITSTREAM *psTLCommitStreamOUT, |
| CONNECTION_DATA *psConnection) |
| { |
| IMG_HANDLE hSD = psTLCommitStreamIN->hSD; |
| TL_STREAM_DESC * psSDInt = NULL; |
| |
| |
| |
| |
| |
| |
| |
| /* Lock over handle lookup. */ |
| LockHandle(); |
| |
| |
| |
| |
| |
| { |
| /* Look up the address from the handle */ |
| psTLCommitStreamOUT->eError = |
| PVRSRVLookupHandleUnlocked(psConnection->psHandleBase, |
| (void **) &psSDInt, |
| hSD, |
| PVRSRV_HANDLE_TYPE_PVR_TL_SD, |
| IMG_TRUE); |
| if(psTLCommitStreamOUT->eError != PVRSRV_OK) |
| { |
| UnlockHandle(); |
| goto TLCommitStream_exit; |
| } |
| } |
| /* Release now we have looked up handles. */ |
| UnlockHandle(); |
| |
| psTLCommitStreamOUT->eError = |
| TLServerCommitStreamKM( |
| psSDInt, |
| psTLCommitStreamIN->ui32ReqSize); |
| |
| |
| |
| |
| TLCommitStream_exit: |
| |
| /* Lock over handle lookup cleanup. */ |
| LockHandle(); |
| |
| |
| |
| |
| |
| |
| { |
| /* Unreference the previously looked up handle */ |
| if(psSDInt) |
| { |
| PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase, |
| hSD, |
| PVRSRV_HANDLE_TYPE_PVR_TL_SD); |
| } |
| } |
| /* Release now we have cleaned up look up handles. */ |
| UnlockHandle(); |
| |
| |
| return 0; |
| } |
| |
| |
| static IMG_INT |
| PVRSRVBridgeTLWriteData(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_TLWRITEDATA *psTLWriteDataIN, |
| PVRSRV_BRIDGE_OUT_TLWRITEDATA *psTLWriteDataOUT, |
| CONNECTION_DATA *psConnection) |
| { |
| IMG_HANDLE hSD = psTLWriteDataIN->hSD; |
| TL_STREAM_DESC * psSDInt = NULL; |
| IMG_BYTE *psDataInt = NULL; |
| |
| IMG_UINT32 ui32NextOffset = 0; |
| IMG_BYTE *pArrayArgsBuffer = NULL; |
| #if !defined(INTEGRITY_OS) |
| IMG_BOOL bHaveEnoughSpace = IMG_FALSE; |
| #endif |
| |
| IMG_UINT32 ui32BufferSize = |
| (psTLWriteDataIN->ui32Size * sizeof(IMG_BYTE)) + |
| 0; |
| |
| |
| |
| |
| |
| if (ui32BufferSize != 0) |
| { |
| #if !defined(INTEGRITY_OS) |
| /* Try to use remainder of input buffer for copies if possible, word-aligned for safety. */ |
| IMG_UINT32 ui32InBufferOffset = PVR_ALIGN(sizeof(*psTLWriteDataIN), sizeof(unsigned long)); |
| IMG_UINT32 ui32InBufferExcessSize = ui32InBufferOffset >= PVRSRV_MAX_BRIDGE_IN_SIZE ? 0 : |
| PVRSRV_MAX_BRIDGE_IN_SIZE - ui32InBufferOffset; |
| |
| bHaveEnoughSpace = ui32BufferSize <= ui32InBufferExcessSize; |
| if (bHaveEnoughSpace) |
| { |
| IMG_BYTE *pInputBuffer = (IMG_BYTE *)psTLWriteDataIN; |
| |
| pArrayArgsBuffer = &pInputBuffer[ui32InBufferOffset]; |
| } |
| else |
| #endif |
| { |
| pArrayArgsBuffer = OSAllocMemNoStats(ui32BufferSize); |
| |
| if(!pArrayArgsBuffer) |
| { |
| psTLWriteDataOUT->eError = PVRSRV_ERROR_OUT_OF_MEMORY; |
| goto TLWriteData_exit; |
| } |
| } |
| } |
| |
| if (psTLWriteDataIN->ui32Size != 0) |
| { |
| psDataInt = (IMG_BYTE*)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset); |
| ui32NextOffset += psTLWriteDataIN->ui32Size * sizeof(IMG_BYTE); |
| } |
| |
| /* Copy the data over */ |
| if (psTLWriteDataIN->ui32Size * sizeof(IMG_BYTE) > 0) |
| { |
| if ( OSCopyFromUser(NULL, psDataInt, psTLWriteDataIN->psData, psTLWriteDataIN->ui32Size * sizeof(IMG_BYTE)) != PVRSRV_OK ) |
| { |
| psTLWriteDataOUT->eError = PVRSRV_ERROR_INVALID_PARAMS; |
| |
| goto TLWriteData_exit; |
| } |
| } |
| |
| /* Lock over handle lookup. */ |
| LockHandle(); |
| |
| |
| |
| |
| |
| { |
| /* Look up the address from the handle */ |
| psTLWriteDataOUT->eError = |
| PVRSRVLookupHandleUnlocked(psConnection->psHandleBase, |
| (void **) &psSDInt, |
| hSD, |
| PVRSRV_HANDLE_TYPE_PVR_TL_SD, |
| IMG_TRUE); |
| if(psTLWriteDataOUT->eError != PVRSRV_OK) |
| { |
| UnlockHandle(); |
| goto TLWriteData_exit; |
| } |
| } |
| /* Release now we have looked up handles. */ |
| UnlockHandle(); |
| |
| psTLWriteDataOUT->eError = |
| TLServerWriteDataKM( |
| psSDInt, |
| psTLWriteDataIN->ui32Size, |
| psDataInt); |
| |
| |
| |
| |
| TLWriteData_exit: |
| |
| /* Lock over handle lookup cleanup. */ |
| LockHandle(); |
| |
| |
| |
| |
| |
| |
| { |
| /* Unreference the previously looked up handle */ |
| if(psSDInt) |
| { |
| PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase, |
| hSD, |
| PVRSRV_HANDLE_TYPE_PVR_TL_SD); |
| } |
| } |
| /* Release now we have cleaned up look up handles. */ |
| UnlockHandle(); |
| |
| /* Allocated space should be equal to the last updated offset */ |
| PVR_ASSERT(ui32BufferSize == ui32NextOffset); |
| |
| #if defined(INTEGRITY_OS) |
| if(pArrayArgsBuffer) |
| #else |
| if(!bHaveEnoughSpace && pArrayArgsBuffer) |
| #endif |
| OSFreeMemNoStats(pArrayArgsBuffer); |
| |
| |
| return 0; |
| } |
| |
| |
| |
| |
| /* *************************************************************************** |
| * Server bridge dispatch related glue |
| */ |
| |
| static IMG_BOOL bUseLock = IMG_FALSE; |
| |
| PVRSRV_ERROR InitPVRTLBridge(void); |
| PVRSRV_ERROR DeinitPVRTLBridge(void); |
| |
| /* |
| * Register all PVRTL functions with services |
| */ |
| PVRSRV_ERROR InitPVRTLBridge(void) |
| { |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_PVRTL, PVRSRV_BRIDGE_PVRTL_TLOPENSTREAM, PVRSRVBridgeTLOpenStream, |
| NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_PVRTL, PVRSRV_BRIDGE_PVRTL_TLCLOSESTREAM, PVRSRVBridgeTLCloseStream, |
| NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_PVRTL, PVRSRV_BRIDGE_PVRTL_TLACQUIREDATA, PVRSRVBridgeTLAcquireData, |
| NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_PVRTL, PVRSRV_BRIDGE_PVRTL_TLRELEASEDATA, PVRSRVBridgeTLReleaseData, |
| NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_PVRTL, PVRSRV_BRIDGE_PVRTL_TLDISCOVERSTREAMS, PVRSRVBridgeTLDiscoverStreams, |
| NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_PVRTL, PVRSRV_BRIDGE_PVRTL_TLRESERVESTREAM, PVRSRVBridgeTLReserveStream, |
| NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_PVRTL, PVRSRV_BRIDGE_PVRTL_TLCOMMITSTREAM, PVRSRVBridgeTLCommitStream, |
| NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_PVRTL, PVRSRV_BRIDGE_PVRTL_TLWRITEDATA, PVRSRVBridgeTLWriteData, |
| NULL, bUseLock); |
| |
| |
| return PVRSRV_OK; |
| } |
| |
| /* |
| * Unregister all pvrtl functions with services |
| */ |
| PVRSRV_ERROR DeinitPVRTLBridge(void) |
| { |
| return PVRSRV_OK; |
| } |