| /******************************************************************************* |
| @File |
| @Title Server bridge for ri |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @Description Implements the server side of the bridge for ri |
| @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 <linux/uaccess.h> |
| |
| #include "img_defs.h" |
| |
| #include "ri_server.h" |
| |
| #include "common_ri_bridge.h" |
| |
| #include "allocmem.h" |
| #include "pvr_debug.h" |
| #include "connection_server.h" |
| #include "pvr_bridge.h" |
| #if defined(SUPPORT_RGX) |
| #include "rgx_bridge.h" |
| #endif |
| #include "srvcore.h" |
| #include "handle.h" |
| |
| #include <linux/slab.h> |
| |
| /* *************************************************************************** |
| * Server-side bridge entry points |
| */ |
| |
| static IMG_INT |
| PVRSRVBridgeRIWritePMREntry(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_RIWRITEPMRENTRY * |
| psRIWritePMREntryIN, |
| PVRSRV_BRIDGE_OUT_RIWRITEPMRENTRY * |
| psRIWritePMREntryOUT, |
| CONNECTION_DATA * psConnection) |
| { |
| IMG_HANDLE hPMRHandle = psRIWritePMREntryIN->hPMRHandle; |
| PMR *psPMRHandleInt = NULL; |
| |
| /* Lock over handle lookup. */ |
| LockHandle(psConnection->psHandleBase); |
| |
| /* Look up the address from the handle */ |
| psRIWritePMREntryOUT->eError = |
| PVRSRVLookupHandleUnlocked(psConnection->psHandleBase, |
| (void **)&psPMRHandleInt, |
| hPMRHandle, |
| PVRSRV_HANDLE_TYPE_PHYSMEM_PMR, |
| IMG_TRUE); |
| if (unlikely(psRIWritePMREntryOUT->eError != PVRSRV_OK)) |
| { |
| UnlockHandle(psConnection->psHandleBase); |
| goto RIWritePMREntry_exit; |
| } |
| /* Release now we have looked up handles. */ |
| UnlockHandle(psConnection->psHandleBase); |
| |
| psRIWritePMREntryOUT->eError = RIWritePMREntryKM(psPMRHandleInt); |
| |
| RIWritePMREntry_exit: |
| |
| /* Lock over handle lookup cleanup. */ |
| LockHandle(psConnection->psHandleBase); |
| |
| /* Unreference the previously looked up handle */ |
| if (psPMRHandleInt) |
| { |
| PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase, |
| hPMRHandle, |
| PVRSRV_HANDLE_TYPE_PHYSMEM_PMR); |
| } |
| /* Release now we have cleaned up look up handles. */ |
| UnlockHandle(psConnection->psHandleBase); |
| |
| return 0; |
| } |
| |
| static IMG_INT |
| PVRSRVBridgeRIWriteMEMDESCEntry(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_RIWRITEMEMDESCENTRY * |
| psRIWriteMEMDESCEntryIN, |
| PVRSRV_BRIDGE_OUT_RIWRITEMEMDESCENTRY * |
| psRIWriteMEMDESCEntryOUT, |
| CONNECTION_DATA * psConnection) |
| { |
| IMG_HANDLE hPMRHandle = psRIWriteMEMDESCEntryIN->hPMRHandle; |
| PMR *psPMRHandleInt = NULL; |
| IMG_CHAR *uiTextBInt = NULL; |
| RI_HANDLE psRIHandleInt = NULL; |
| |
| IMG_UINT32 ui32NextOffset = 0; |
| IMG_BYTE *pArrayArgsBuffer = NULL; |
| #if !defined(INTEGRITY_OS) |
| IMG_BOOL bHaveEnoughSpace = IMG_FALSE; |
| #endif |
| |
| IMG_UINT32 ui32BufferSize = |
| (psRIWriteMEMDESCEntryIN->ui32TextBSize * sizeof(IMG_CHAR)) + 0; |
| |
| if (unlikely |
| (psRIWriteMEMDESCEntryIN->ui32TextBSize > |
| DEVMEM_ANNOTATION_MAX_LEN)) |
| { |
| psRIWriteMEMDESCEntryOUT->eError = |
| PVRSRV_ERROR_BRIDGE_ARRAY_SIZE_TOO_BIG; |
| goto RIWriteMEMDESCEntry_exit; |
| } |
| |
| 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(*psRIWriteMEMDESCEntryIN), |
| 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 *) psRIWriteMEMDESCEntryIN; |
| |
| pArrayArgsBuffer = &pInputBuffer[ui32InBufferOffset]; |
| } |
| else |
| #endif |
| { |
| pArrayArgsBuffer = OSAllocMemNoStats(ui32BufferSize); |
| |
| if (!pArrayArgsBuffer) |
| { |
| psRIWriteMEMDESCEntryOUT->eError = |
| PVRSRV_ERROR_OUT_OF_MEMORY; |
| goto RIWriteMEMDESCEntry_exit; |
| } |
| } |
| } |
| |
| if (psRIWriteMEMDESCEntryIN->ui32TextBSize != 0) |
| { |
| uiTextBInt = |
| (IMG_CHAR *) (((IMG_UINT8 *) pArrayArgsBuffer) + |
| ui32NextOffset); |
| ui32NextOffset += |
| psRIWriteMEMDESCEntryIN->ui32TextBSize * sizeof(IMG_CHAR); |
| } |
| |
| /* Copy the data over */ |
| if (psRIWriteMEMDESCEntryIN->ui32TextBSize * sizeof(IMG_CHAR) > 0) |
| { |
| if (OSCopyFromUser |
| (NULL, uiTextBInt, |
| (const void __user *)psRIWriteMEMDESCEntryIN->puiTextB, |
| psRIWriteMEMDESCEntryIN->ui32TextBSize * |
| sizeof(IMG_CHAR)) != PVRSRV_OK) |
| { |
| psRIWriteMEMDESCEntryOUT->eError = |
| PVRSRV_ERROR_INVALID_PARAMS; |
| |
| goto RIWriteMEMDESCEntry_exit; |
| } |
| ((IMG_CHAR *) |
| uiTextBInt)[(psRIWriteMEMDESCEntryIN->ui32TextBSize * |
| sizeof(IMG_CHAR)) - 1] = '\0'; |
| } |
| |
| /* Lock over handle lookup. */ |
| LockHandle(psConnection->psHandleBase); |
| |
| /* Look up the address from the handle */ |
| psRIWriteMEMDESCEntryOUT->eError = |
| PVRSRVLookupHandleUnlocked(psConnection->psHandleBase, |
| (void **)&psPMRHandleInt, |
| hPMRHandle, |
| PVRSRV_HANDLE_TYPE_PHYSMEM_PMR, |
| IMG_TRUE); |
| if (unlikely(psRIWriteMEMDESCEntryOUT->eError != PVRSRV_OK)) |
| { |
| UnlockHandle(psConnection->psHandleBase); |
| goto RIWriteMEMDESCEntry_exit; |
| } |
| /* Release now we have looked up handles. */ |
| UnlockHandle(psConnection->psHandleBase); |
| |
| psRIWriteMEMDESCEntryOUT->eError = |
| RIWriteMEMDESCEntryKM(psPMRHandleInt, |
| psRIWriteMEMDESCEntryIN->ui32TextBSize, |
| uiTextBInt, |
| psRIWriteMEMDESCEntryIN->ui64Offset, |
| psRIWriteMEMDESCEntryIN->ui64Size, |
| psRIWriteMEMDESCEntryIN->bIsImport, |
| psRIWriteMEMDESCEntryIN->bIsSuballoc, |
| &psRIHandleInt); |
| /* Exit early if bridged call fails */ |
| if (unlikely(psRIWriteMEMDESCEntryOUT->eError != PVRSRV_OK)) |
| { |
| goto RIWriteMEMDESCEntry_exit; |
| } |
| |
| /* Lock over handle creation. */ |
| LockHandle(psConnection->psHandleBase); |
| |
| psRIWriteMEMDESCEntryOUT->eError = |
| PVRSRVAllocHandleUnlocked(psConnection->psHandleBase, |
| &psRIWriteMEMDESCEntryOUT->hRIHandle, |
| (void *)psRIHandleInt, |
| PVRSRV_HANDLE_TYPE_RI_HANDLE, |
| PVRSRV_HANDLE_ALLOC_FLAG_MULTI, |
| (PFN_HANDLE_RELEASE) & |
| RIDeleteMEMDESCEntryKM); |
| if (unlikely(psRIWriteMEMDESCEntryOUT->eError != PVRSRV_OK)) |
| { |
| UnlockHandle(psConnection->psHandleBase); |
| goto RIWriteMEMDESCEntry_exit; |
| } |
| |
| /* Release now we have created handles. */ |
| UnlockHandle(psConnection->psHandleBase); |
| |
| RIWriteMEMDESCEntry_exit: |
| |
| /* Lock over handle lookup cleanup. */ |
| LockHandle(psConnection->psHandleBase); |
| |
| /* Unreference the previously looked up handle */ |
| if (psPMRHandleInt) |
| { |
| PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase, |
| hPMRHandle, |
| PVRSRV_HANDLE_TYPE_PHYSMEM_PMR); |
| } |
| /* Release now we have cleaned up look up handles. */ |
| UnlockHandle(psConnection->psHandleBase); |
| |
| if (psRIWriteMEMDESCEntryOUT->eError != PVRSRV_OK) |
| { |
| if (psRIHandleInt) |
| { |
| RIDeleteMEMDESCEntryKM(psRIHandleInt); |
| } |
| } |
| |
| /* 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 |
| PVRSRVBridgeRIWriteProcListEntry(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_RIWRITEPROCLISTENTRY * |
| psRIWriteProcListEntryIN, |
| PVRSRV_BRIDGE_OUT_RIWRITEPROCLISTENTRY * |
| psRIWriteProcListEntryOUT, |
| CONNECTION_DATA * psConnection) |
| { |
| IMG_CHAR *uiTextBInt = NULL; |
| RI_HANDLE psRIHandleInt = NULL; |
| |
| IMG_UINT32 ui32NextOffset = 0; |
| IMG_BYTE *pArrayArgsBuffer = NULL; |
| #if !defined(INTEGRITY_OS) |
| IMG_BOOL bHaveEnoughSpace = IMG_FALSE; |
| #endif |
| |
| IMG_UINT32 ui32BufferSize = |
| (psRIWriteProcListEntryIN->ui32TextBSize * sizeof(IMG_CHAR)) + 0; |
| |
| if (unlikely |
| (psRIWriteProcListEntryIN->ui32TextBSize > |
| DEVMEM_ANNOTATION_MAX_LEN)) |
| { |
| psRIWriteProcListEntryOUT->eError = |
| PVRSRV_ERROR_BRIDGE_ARRAY_SIZE_TOO_BIG; |
| goto RIWriteProcListEntry_exit; |
| } |
| |
| 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(*psRIWriteProcListEntryIN), |
| 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 *) psRIWriteProcListEntryIN; |
| |
| pArrayArgsBuffer = &pInputBuffer[ui32InBufferOffset]; |
| } |
| else |
| #endif |
| { |
| pArrayArgsBuffer = OSAllocMemNoStats(ui32BufferSize); |
| |
| if (!pArrayArgsBuffer) |
| { |
| psRIWriteProcListEntryOUT->eError = |
| PVRSRV_ERROR_OUT_OF_MEMORY; |
| goto RIWriteProcListEntry_exit; |
| } |
| } |
| } |
| |
| if (psRIWriteProcListEntryIN->ui32TextBSize != 0) |
| { |
| uiTextBInt = |
| (IMG_CHAR *) (((IMG_UINT8 *) pArrayArgsBuffer) + |
| ui32NextOffset); |
| ui32NextOffset += |
| psRIWriteProcListEntryIN->ui32TextBSize * sizeof(IMG_CHAR); |
| } |
| |
| /* Copy the data over */ |
| if (psRIWriteProcListEntryIN->ui32TextBSize * sizeof(IMG_CHAR) > 0) |
| { |
| if (OSCopyFromUser |
| (NULL, uiTextBInt, |
| (const void __user *)psRIWriteProcListEntryIN->puiTextB, |
| psRIWriteProcListEntryIN->ui32TextBSize * |
| sizeof(IMG_CHAR)) != PVRSRV_OK) |
| { |
| psRIWriteProcListEntryOUT->eError = |
| PVRSRV_ERROR_INVALID_PARAMS; |
| |
| goto RIWriteProcListEntry_exit; |
| } |
| ((IMG_CHAR *) |
| uiTextBInt)[(psRIWriteProcListEntryIN->ui32TextBSize * |
| sizeof(IMG_CHAR)) - 1] = '\0'; |
| } |
| |
| psRIWriteProcListEntryOUT->eError = |
| RIWriteProcListEntryKM(psRIWriteProcListEntryIN->ui32TextBSize, |
| uiTextBInt, |
| psRIWriteProcListEntryIN->ui64Size, |
| psRIWriteProcListEntryIN->ui64DevVAddr, |
| &psRIHandleInt); |
| /* Exit early if bridged call fails */ |
| if (unlikely(psRIWriteProcListEntryOUT->eError != PVRSRV_OK)) |
| { |
| goto RIWriteProcListEntry_exit; |
| } |
| |
| /* Lock over handle creation. */ |
| LockHandle(psConnection->psHandleBase); |
| |
| psRIWriteProcListEntryOUT->eError = |
| PVRSRVAllocHandleUnlocked(psConnection->psHandleBase, |
| &psRIWriteProcListEntryOUT->hRIHandle, |
| (void *)psRIHandleInt, |
| PVRSRV_HANDLE_TYPE_RI_HANDLE, |
| PVRSRV_HANDLE_ALLOC_FLAG_MULTI, |
| (PFN_HANDLE_RELEASE) & |
| RIDeleteMEMDESCEntryKM); |
| if (unlikely(psRIWriteProcListEntryOUT->eError != PVRSRV_OK)) |
| { |
| UnlockHandle(psConnection->psHandleBase); |
| goto RIWriteProcListEntry_exit; |
| } |
| |
| /* Release now we have created handles. */ |
| UnlockHandle(psConnection->psHandleBase); |
| |
| RIWriteProcListEntry_exit: |
| |
| if (psRIWriteProcListEntryOUT->eError != PVRSRV_OK) |
| { |
| if (psRIHandleInt) |
| { |
| RIDeleteMEMDESCEntryKM(psRIHandleInt); |
| } |
| } |
| |
| /* 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 |
| PVRSRVBridgeRIUpdateMEMDESCAddr(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_RIUPDATEMEMDESCADDR * |
| psRIUpdateMEMDESCAddrIN, |
| PVRSRV_BRIDGE_OUT_RIUPDATEMEMDESCADDR * |
| psRIUpdateMEMDESCAddrOUT, |
| CONNECTION_DATA * psConnection) |
| { |
| IMG_HANDLE hRIHandle = psRIUpdateMEMDESCAddrIN->hRIHandle; |
| RI_HANDLE psRIHandleInt = NULL; |
| |
| /* Lock over handle lookup. */ |
| LockHandle(psConnection->psHandleBase); |
| |
| /* Look up the address from the handle */ |
| psRIUpdateMEMDESCAddrOUT->eError = |
| PVRSRVLookupHandleUnlocked(psConnection->psHandleBase, |
| (void **)&psRIHandleInt, |
| hRIHandle, |
| PVRSRV_HANDLE_TYPE_RI_HANDLE, IMG_TRUE); |
| if (unlikely(psRIUpdateMEMDESCAddrOUT->eError != PVRSRV_OK)) |
| { |
| UnlockHandle(psConnection->psHandleBase); |
| goto RIUpdateMEMDESCAddr_exit; |
| } |
| /* Release now we have looked up handles. */ |
| UnlockHandle(psConnection->psHandleBase); |
| |
| psRIUpdateMEMDESCAddrOUT->eError = |
| RIUpdateMEMDESCAddrKM(psRIHandleInt, |
| psRIUpdateMEMDESCAddrIN->sAddr); |
| |
| RIUpdateMEMDESCAddr_exit: |
| |
| /* Lock over handle lookup cleanup. */ |
| LockHandle(psConnection->psHandleBase); |
| |
| /* Unreference the previously looked up handle */ |
| if (psRIHandleInt) |
| { |
| PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase, |
| hRIHandle, |
| PVRSRV_HANDLE_TYPE_RI_HANDLE); |
| } |
| /* Release now we have cleaned up look up handles. */ |
| UnlockHandle(psConnection->psHandleBase); |
| |
| return 0; |
| } |
| |
| static IMG_INT |
| PVRSRVBridgeRIDeleteMEMDESCEntry(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_RIDELETEMEMDESCENTRY * |
| psRIDeleteMEMDESCEntryIN, |
| PVRSRV_BRIDGE_OUT_RIDELETEMEMDESCENTRY * |
| psRIDeleteMEMDESCEntryOUT, |
| CONNECTION_DATA * psConnection) |
| { |
| |
| /* Lock over handle destruction. */ |
| LockHandle(psConnection->psHandleBase); |
| |
| psRIDeleteMEMDESCEntryOUT->eError = |
| PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase, |
| (IMG_HANDLE) psRIDeleteMEMDESCEntryIN-> |
| hRIHandle, |
| PVRSRV_HANDLE_TYPE_RI_HANDLE); |
| if (unlikely |
| ((psRIDeleteMEMDESCEntryOUT->eError != PVRSRV_OK) |
| && (psRIDeleteMEMDESCEntryOUT->eError != PVRSRV_ERROR_RETRY))) |
| { |
| PVR_DPF((PVR_DBG_ERROR, |
| "PVRSRVBridgeRIDeleteMEMDESCEntry: %s", |
| PVRSRVGetErrorString(psRIDeleteMEMDESCEntryOUT-> |
| eError))); |
| UnlockHandle(psConnection->psHandleBase); |
| goto RIDeleteMEMDESCEntry_exit; |
| } |
| |
| /* Release now we have destroyed handles. */ |
| UnlockHandle(psConnection->psHandleBase); |
| |
| RIDeleteMEMDESCEntry_exit: |
| |
| return 0; |
| } |
| |
| static IMG_INT |
| PVRSRVBridgeRIDumpList(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_RIDUMPLIST * psRIDumpListIN, |
| PVRSRV_BRIDGE_OUT_RIDUMPLIST * psRIDumpListOUT, |
| CONNECTION_DATA * psConnection) |
| { |
| IMG_HANDLE hPMRHandle = psRIDumpListIN->hPMRHandle; |
| PMR *psPMRHandleInt = NULL; |
| |
| /* Lock over handle lookup. */ |
| LockHandle(psConnection->psHandleBase); |
| |
| /* Look up the address from the handle */ |
| psRIDumpListOUT->eError = |
| PVRSRVLookupHandleUnlocked(psConnection->psHandleBase, |
| (void **)&psPMRHandleInt, |
| hPMRHandle, |
| PVRSRV_HANDLE_TYPE_PHYSMEM_PMR, |
| IMG_TRUE); |
| if (unlikely(psRIDumpListOUT->eError != PVRSRV_OK)) |
| { |
| UnlockHandle(psConnection->psHandleBase); |
| goto RIDumpList_exit; |
| } |
| /* Release now we have looked up handles. */ |
| UnlockHandle(psConnection->psHandleBase); |
| |
| psRIDumpListOUT->eError = RIDumpListKM(psPMRHandleInt); |
| |
| RIDumpList_exit: |
| |
| /* Lock over handle lookup cleanup. */ |
| LockHandle(psConnection->psHandleBase); |
| |
| /* Unreference the previously looked up handle */ |
| if (psPMRHandleInt) |
| { |
| PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase, |
| hPMRHandle, |
| PVRSRV_HANDLE_TYPE_PHYSMEM_PMR); |
| } |
| /* Release now we have cleaned up look up handles. */ |
| UnlockHandle(psConnection->psHandleBase); |
| |
| return 0; |
| } |
| |
| static IMG_INT |
| PVRSRVBridgeRIDumpAll(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_RIDUMPALL * psRIDumpAllIN, |
| PVRSRV_BRIDGE_OUT_RIDUMPALL * psRIDumpAllOUT, |
| CONNECTION_DATA * psConnection) |
| { |
| |
| PVR_UNREFERENCED_PARAMETER(psConnection); |
| PVR_UNREFERENCED_PARAMETER(psRIDumpAllIN); |
| |
| psRIDumpAllOUT->eError = RIDumpAllKM(); |
| |
| return 0; |
| } |
| |
| static IMG_INT |
| PVRSRVBridgeRIDumpProcess(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_RIDUMPPROCESS * psRIDumpProcessIN, |
| PVRSRV_BRIDGE_OUT_RIDUMPPROCESS * psRIDumpProcessOUT, |
| CONNECTION_DATA * psConnection) |
| { |
| |
| PVR_UNREFERENCED_PARAMETER(psConnection); |
| |
| psRIDumpProcessOUT->eError = |
| RIDumpProcessKM(psRIDumpProcessIN->ui32Pid); |
| |
| return 0; |
| } |
| |
| static IMG_INT |
| PVRSRVBridgeRIWritePMREntryWithOwner(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_RIWRITEPMRENTRYWITHOWNER * |
| psRIWritePMREntryWithOwnerIN, |
| PVRSRV_BRIDGE_OUT_RIWRITEPMRENTRYWITHOWNER |
| * psRIWritePMREntryWithOwnerOUT, |
| CONNECTION_DATA * psConnection) |
| { |
| IMG_HANDLE hPMRHandle = psRIWritePMREntryWithOwnerIN->hPMRHandle; |
| PMR *psPMRHandleInt = NULL; |
| |
| /* Lock over handle lookup. */ |
| LockHandle(psConnection->psHandleBase); |
| |
| /* Look up the address from the handle */ |
| psRIWritePMREntryWithOwnerOUT->eError = |
| PVRSRVLookupHandleUnlocked(psConnection->psHandleBase, |
| (void **)&psPMRHandleInt, |
| hPMRHandle, |
| PVRSRV_HANDLE_TYPE_PHYSMEM_PMR, |
| IMG_TRUE); |
| if (unlikely(psRIWritePMREntryWithOwnerOUT->eError != PVRSRV_OK)) |
| { |
| UnlockHandle(psConnection->psHandleBase); |
| goto RIWritePMREntryWithOwner_exit; |
| } |
| /* Release now we have looked up handles. */ |
| UnlockHandle(psConnection->psHandleBase); |
| |
| psRIWritePMREntryWithOwnerOUT->eError = |
| RIWritePMREntryWithOwnerKM(psPMRHandleInt, |
| psRIWritePMREntryWithOwnerIN->ui32Owner); |
| |
| RIWritePMREntryWithOwner_exit: |
| |
| /* Lock over handle lookup cleanup. */ |
| LockHandle(psConnection->psHandleBase); |
| |
| /* Unreference the previously looked up handle */ |
| if (psPMRHandleInt) |
| { |
| PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase, |
| hPMRHandle, |
| PVRSRV_HANDLE_TYPE_PHYSMEM_PMR); |
| } |
| /* Release now we have cleaned up look up handles. */ |
| UnlockHandle(psConnection->psHandleBase); |
| |
| return 0; |
| } |
| |
| /* *************************************************************************** |
| * Server bridge dispatch related glue |
| */ |
| |
| static IMG_BOOL bUseLock = IMG_TRUE; |
| |
| PVRSRV_ERROR InitRIBridge(void); |
| PVRSRV_ERROR DeinitRIBridge(void); |
| |
| /* |
| * Register all RI functions with services |
| */ |
| PVRSRV_ERROR InitRIBridge(void) |
| { |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_RI, |
| PVRSRV_BRIDGE_RI_RIWRITEPMRENTRY, |
| PVRSRVBridgeRIWritePMREntry, NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_RI, |
| PVRSRV_BRIDGE_RI_RIWRITEMEMDESCENTRY, |
| PVRSRVBridgeRIWriteMEMDESCEntry, NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_RI, |
| PVRSRV_BRIDGE_RI_RIWRITEPROCLISTENTRY, |
| PVRSRVBridgeRIWriteProcListEntry, NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_RI, |
| PVRSRV_BRIDGE_RI_RIUPDATEMEMDESCADDR, |
| PVRSRVBridgeRIUpdateMEMDESCAddr, NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_RI, |
| PVRSRV_BRIDGE_RI_RIDELETEMEMDESCENTRY, |
| PVRSRVBridgeRIDeleteMEMDESCEntry, NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_RI, PVRSRV_BRIDGE_RI_RIDUMPLIST, |
| PVRSRVBridgeRIDumpList, NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_RI, PVRSRV_BRIDGE_RI_RIDUMPALL, |
| PVRSRVBridgeRIDumpAll, NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_RI, PVRSRV_BRIDGE_RI_RIDUMPPROCESS, |
| PVRSRVBridgeRIDumpProcess, NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_RI, |
| PVRSRV_BRIDGE_RI_RIWRITEPMRENTRYWITHOWNER, |
| PVRSRVBridgeRIWritePMREntryWithOwner, NULL, |
| bUseLock); |
| |
| return PVRSRV_OK; |
| } |
| |
| /* |
| * Unregister all ri functions with services |
| */ |
| PVRSRV_ERROR DeinitRIBridge(void) |
| { |
| |
| UnsetDispatchTableEntry(PVRSRV_BRIDGE_RI, |
| PVRSRV_BRIDGE_RI_RIWRITEPMRENTRY); |
| |
| UnsetDispatchTableEntry(PVRSRV_BRIDGE_RI, |
| PVRSRV_BRIDGE_RI_RIWRITEMEMDESCENTRY); |
| |
| UnsetDispatchTableEntry(PVRSRV_BRIDGE_RI, |
| PVRSRV_BRIDGE_RI_RIWRITEPROCLISTENTRY); |
| |
| UnsetDispatchTableEntry(PVRSRV_BRIDGE_RI, |
| PVRSRV_BRIDGE_RI_RIUPDATEMEMDESCADDR); |
| |
| UnsetDispatchTableEntry(PVRSRV_BRIDGE_RI, |
| PVRSRV_BRIDGE_RI_RIDELETEMEMDESCENTRY); |
| |
| UnsetDispatchTableEntry(PVRSRV_BRIDGE_RI, PVRSRV_BRIDGE_RI_RIDUMPLIST); |
| |
| UnsetDispatchTableEntry(PVRSRV_BRIDGE_RI, PVRSRV_BRIDGE_RI_RIDUMPALL); |
| |
| UnsetDispatchTableEntry(PVRSRV_BRIDGE_RI, |
| PVRSRV_BRIDGE_RI_RIDUMPPROCESS); |
| |
| UnsetDispatchTableEntry(PVRSRV_BRIDGE_RI, |
| PVRSRV_BRIDGE_RI_RIWRITEPMRENTRYWITHOWNER); |
| |
| return PVRSRV_OK; |
| } |