| /*************************************************************************/ /*! |
| @File |
| @Title Server bridge for pdump |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @Description Implements the server side of the bridge for pdump |
| @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 "devicemem_server.h" |
| #include "pdump_km.h" |
| |
| |
| #include "common_pdump_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 |
| PVRSRVBridgeDevmemPDumpBitmap(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_DEVMEMPDUMPBITMAP *psDevmemPDumpBitmapIN, |
| PVRSRV_BRIDGE_OUT_DEVMEMPDUMPBITMAP *psDevmemPDumpBitmapOUT, |
| CONNECTION_DATA *psConnection) |
| { |
| IMG_CHAR *uiFileNameInt = NULL; |
| IMG_HANDLE hDevmemCtx = psDevmemPDumpBitmapIN->hDevmemCtx; |
| DEVMEMINT_CTX * psDevmemCtxInt = NULL; |
| |
| IMG_UINT32 ui32NextOffset = 0; |
| IMG_BYTE *pArrayArgsBuffer = NULL; |
| #if !defined(INTEGRITY_OS) |
| IMG_BOOL bHaveEnoughSpace = IMG_FALSE; |
| #endif |
| |
| IMG_UINT32 ui32BufferSize = |
| (PVRSRV_PDUMP_MAX_FILENAME_SIZE * sizeof(IMG_CHAR)) + |
| 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(*psDevmemPDumpBitmapIN), 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 *)psDevmemPDumpBitmapIN; |
| |
| pArrayArgsBuffer = &pInputBuffer[ui32InBufferOffset]; |
| } |
| else |
| #endif |
| { |
| pArrayArgsBuffer = OSAllocMemNoStats(ui32BufferSize); |
| |
| if(!pArrayArgsBuffer) |
| { |
| psDevmemPDumpBitmapOUT->eError = PVRSRV_ERROR_OUT_OF_MEMORY; |
| goto DevmemPDumpBitmap_exit; |
| } |
| } |
| } |
| |
| |
| { |
| uiFileNameInt = (IMG_CHAR*)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset); |
| ui32NextOffset += PVRSRV_PDUMP_MAX_FILENAME_SIZE * sizeof(IMG_CHAR); |
| } |
| |
| /* Copy the data over */ |
| if (PVRSRV_PDUMP_MAX_FILENAME_SIZE * sizeof(IMG_CHAR) > 0) |
| { |
| if ( OSCopyFromUser(NULL, uiFileNameInt, psDevmemPDumpBitmapIN->puiFileName, PVRSRV_PDUMP_MAX_FILENAME_SIZE * sizeof(IMG_CHAR)) != PVRSRV_OK ) |
| { |
| psDevmemPDumpBitmapOUT->eError = PVRSRV_ERROR_INVALID_PARAMS; |
| |
| goto DevmemPDumpBitmap_exit; |
| } |
| } |
| |
| /* Lock over handle lookup. */ |
| LockHandle(); |
| |
| |
| |
| |
| |
| { |
| /* Look up the address from the handle */ |
| psDevmemPDumpBitmapOUT->eError = |
| PVRSRVLookupHandleUnlocked(psConnection->psHandleBase, |
| (void **) &psDevmemCtxInt, |
| hDevmemCtx, |
| PVRSRV_HANDLE_TYPE_DEVMEMINT_CTX, |
| IMG_TRUE); |
| if(psDevmemPDumpBitmapOUT->eError != PVRSRV_OK) |
| { |
| UnlockHandle(); |
| goto DevmemPDumpBitmap_exit; |
| } |
| } |
| /* Release now we have looked up handles. */ |
| UnlockHandle(); |
| |
| psDevmemPDumpBitmapOUT->eError = |
| DevmemIntPDumpBitmap(psConnection, OSGetDevData(psConnection), |
| uiFileNameInt, |
| psDevmemPDumpBitmapIN->ui32FileOffset, |
| psDevmemPDumpBitmapIN->ui32Width, |
| psDevmemPDumpBitmapIN->ui32Height, |
| psDevmemPDumpBitmapIN->ui32StrideInBytes, |
| psDevmemPDumpBitmapIN->sDevBaseAddr, |
| psDevmemCtxInt, |
| psDevmemPDumpBitmapIN->ui32Size, |
| psDevmemPDumpBitmapIN->ePixelFormat, |
| psDevmemPDumpBitmapIN->ui32AddrMode, |
| psDevmemPDumpBitmapIN->ui32PDumpFlags); |
| |
| |
| |
| |
| DevmemPDumpBitmap_exit: |
| |
| /* Lock over handle lookup cleanup. */ |
| LockHandle(); |
| |
| |
| |
| |
| |
| |
| { |
| /* Unreference the previously looked up handle */ |
| if(psDevmemCtxInt) |
| { |
| PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase, |
| hDevmemCtx, |
| PVRSRV_HANDLE_TYPE_DEVMEMINT_CTX); |
| } |
| } |
| /* 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; |
| } |
| |
| |
| static IMG_INT |
| PVRSRVBridgePVRSRVPDumpComment(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_PVRSRVPDUMPCOMMENT *psPVRSRVPDumpCommentIN, |
| PVRSRV_BRIDGE_OUT_PVRSRVPDUMPCOMMENT *psPVRSRVPDumpCommentOUT, |
| CONNECTION_DATA *psConnection) |
| { |
| IMG_CHAR *uiCommentInt = NULL; |
| |
| IMG_UINT32 ui32NextOffset = 0; |
| IMG_BYTE *pArrayArgsBuffer = NULL; |
| #if !defined(INTEGRITY_OS) |
| IMG_BOOL bHaveEnoughSpace = IMG_FALSE; |
| #endif |
| |
| IMG_UINT32 ui32BufferSize = |
| (PVRSRV_PDUMP_MAX_COMMENT_SIZE * sizeof(IMG_CHAR)) + |
| 0; |
| |
| |
| PVR_UNREFERENCED_PARAMETER(psConnection); |
| |
| |
| |
| 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(*psPVRSRVPDumpCommentIN), 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 *)psPVRSRVPDumpCommentIN; |
| |
| pArrayArgsBuffer = &pInputBuffer[ui32InBufferOffset]; |
| } |
| else |
| #endif |
| { |
| pArrayArgsBuffer = OSAllocMemNoStats(ui32BufferSize); |
| |
| if(!pArrayArgsBuffer) |
| { |
| psPVRSRVPDumpCommentOUT->eError = PVRSRV_ERROR_OUT_OF_MEMORY; |
| goto PVRSRVPDumpComment_exit; |
| } |
| } |
| } |
| |
| |
| { |
| uiCommentInt = (IMG_CHAR*)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset); |
| ui32NextOffset += PVRSRV_PDUMP_MAX_COMMENT_SIZE * sizeof(IMG_CHAR); |
| } |
| |
| /* Copy the data over */ |
| if (PVRSRV_PDUMP_MAX_COMMENT_SIZE * sizeof(IMG_CHAR) > 0) |
| { |
| if ( OSCopyFromUser(NULL, uiCommentInt, psPVRSRVPDumpCommentIN->puiComment, PVRSRV_PDUMP_MAX_COMMENT_SIZE * sizeof(IMG_CHAR)) != PVRSRV_OK ) |
| { |
| psPVRSRVPDumpCommentOUT->eError = PVRSRV_ERROR_INVALID_PARAMS; |
| |
| goto PVRSRVPDumpComment_exit; |
| } |
| } |
| |
| |
| psPVRSRVPDumpCommentOUT->eError = |
| PDumpCommentKM( |
| uiCommentInt, |
| psPVRSRVPDumpCommentIN->ui32Flags); |
| |
| |
| |
| |
| PVRSRVPDumpComment_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 |
| PVRSRVBridgePVRSRVPDumpSetFrame(IMG_UINT32 ui32DispatchTableEntry, |
| PVRSRV_BRIDGE_IN_PVRSRVPDUMPSETFRAME *psPVRSRVPDumpSetFrameIN, |
| PVRSRV_BRIDGE_OUT_PVRSRVPDUMPSETFRAME *psPVRSRVPDumpSetFrameOUT, |
| CONNECTION_DATA *psConnection) |
| { |
| |
| |
| |
| |
| |
| |
| |
| |
| psPVRSRVPDumpSetFrameOUT->eError = |
| PDumpSetFrameKM(psConnection, OSGetDevData(psConnection), |
| psPVRSRVPDumpSetFrameIN->ui32Frame); |
| |
| |
| |
| |
| |
| |
| |
| |
| return 0; |
| } |
| |
| |
| |
| |
| /* *************************************************************************** |
| * Server bridge dispatch related glue |
| */ |
| |
| static IMG_BOOL bUseLock = IMG_TRUE; |
| |
| PVRSRV_ERROR InitPDUMPBridge(void); |
| PVRSRV_ERROR DeinitPDUMPBridge(void); |
| |
| /* |
| * Register all PDUMP functions with services |
| */ |
| PVRSRV_ERROR InitPDUMPBridge(void) |
| { |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_PDUMP, PVRSRV_BRIDGE_PDUMP_DEVMEMPDUMPBITMAP, PVRSRVBridgeDevmemPDumpBitmap, |
| NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_PDUMP, PVRSRV_BRIDGE_PDUMP_PVRSRVPDUMPCOMMENT, PVRSRVBridgePVRSRVPDumpComment, |
| NULL, bUseLock); |
| |
| SetDispatchTableEntry(PVRSRV_BRIDGE_PDUMP, PVRSRV_BRIDGE_PDUMP_PVRSRVPDUMPSETFRAME, PVRSRVBridgePVRSRVPDumpSetFrame, |
| NULL, bUseLock); |
| |
| |
| return PVRSRV_OK; |
| } |
| |
| /* |
| * Unregister all pdump functions with services |
| */ |
| PVRSRV_ERROR DeinitPDUMPBridge(void) |
| { |
| return PVRSRV_OK; |
| } |