diff options
Diffstat (limited to 'drivers/gpu/pvr/services4/srvkm/devices/sgx/pb.c')
| -rw-r--r-- | drivers/gpu/pvr/services4/srvkm/devices/sgx/pb.c | 493 |
1 files changed, 493 insertions, 0 deletions
diff --git a/drivers/gpu/pvr/services4/srvkm/devices/sgx/pb.c b/drivers/gpu/pvr/services4/srvkm/devices/sgx/pb.c new file mode 100644 index 00000000000..4ed18bb97e6 --- /dev/null +++ b/drivers/gpu/pvr/services4/srvkm/devices/sgx/pb.c @@ -0,0 +1,493 @@ +/*************************************************************************/ /*! +@Title Parameter Buffer management functions +@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved +@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 "services_headers.h" +#include "sgx_bridge_km.h" +#include "sgxapi_km.h" +#include "sgxinfo.h" +#include "sgxinfokm.h" +#include "pvr_bridge_km.h" +#include "pdump_km.h" +#include "sgxutils.h" + +#if !defined(__linux__) && !defined(__QNXNTO__) +#pragma message("FIXME: Review use of OS_PAGEABLE vs OS_NON_PAGEABLE") +#endif + +#include "lists.h" + +static IMPLEMENT_LIST_INSERT(PVRSRV_STUB_PBDESC) +static IMPLEMENT_LIST_REMOVE(PVRSRV_STUB_PBDESC) + +static PRESMAN_ITEM psResItemCreateSharedPB = IMG_NULL; +static PVRSRV_PER_PROCESS_DATA *psPerProcCreateSharedPB = IMG_NULL; + +static PVRSRV_ERROR SGXCleanupSharedPBDescCallback(IMG_PVOID pvParam, IMG_UINT32 ui32Param, IMG_BOOL bDummy); +static PVRSRV_ERROR SGXCleanupSharedPBDescCreateLockCallback(IMG_PVOID pvParam, IMG_UINT32 ui32Param, IMG_BOOL bDummy); + +/* override level pointer indirection */ +/* PRQA S 5102 12 */ +IMG_EXPORT PVRSRV_ERROR +SGXFindSharedPBDescKM(PVRSRV_PER_PROCESS_DATA *psPerProc, + IMG_HANDLE hDevCookie, + IMG_BOOL bLockOnFailure, + IMG_UINT32 ui32TotalPBSize, + IMG_HANDLE *phSharedPBDesc, + PVRSRV_KERNEL_MEM_INFO **ppsSharedPBDescKernelMemInfo, + PVRSRV_KERNEL_MEM_INFO **ppsHWPBDescKernelMemInfo, + PVRSRV_KERNEL_MEM_INFO **ppsBlockKernelMemInfo, + PVRSRV_KERNEL_MEM_INFO **ppsHWBlockKernelMemInfo, + PVRSRV_KERNEL_MEM_INFO ***pppsSharedPBDescSubKernelMemInfos, + IMG_UINT32 *ui32SharedPBDescSubKernelMemInfosCount) +{ + PVRSRV_STUB_PBDESC *psStubPBDesc; + PVRSRV_KERNEL_MEM_INFO **ppsSharedPBDescSubKernelMemInfos=IMG_NULL; + PVRSRV_SGXDEV_INFO *psSGXDevInfo; + PVRSRV_ERROR eError; + + psSGXDevInfo = ((PVRSRV_DEVICE_NODE *)hDevCookie)->pvDevice; + + psStubPBDesc = psSGXDevInfo->psStubPBDescListKM; + if (psStubPBDesc != IMG_NULL) + { + IMG_UINT32 i; + PRESMAN_ITEM psResItem; + + if(psStubPBDesc->ui32TotalPBSize != ui32TotalPBSize) + { + PVR_DPF((PVR_DBG_WARNING, + "SGXFindSharedPBDescKM: Shared PB requested with different size (0x%x) from existing shared PB (0x%x) - requested size ignored", + ui32TotalPBSize, psStubPBDesc->ui32TotalPBSize)); + } + + if(OSAllocMem(PVRSRV_OS_PAGEABLE_HEAP, + sizeof(PVRSRV_KERNEL_MEM_INFO *) + * psStubPBDesc->ui32SubKernelMemInfosCount, + (IMG_VOID **)&ppsSharedPBDescSubKernelMemInfos, + IMG_NULL, + "Array of Kernel Memory Info") != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR, "SGXFindSharedPBDescKM: OSAllocMem failed")); + + eError = PVRSRV_ERROR_OUT_OF_MEMORY; + goto ExitNotFound; + } + + psResItem = ResManRegisterRes(psPerProc->hResManContext, + RESMAN_TYPE_SHARED_PB_DESC, + psStubPBDesc, + 0, + &SGXCleanupSharedPBDescCallback); + + if (psResItem == IMG_NULL) + { + OSFreeMem(PVRSRV_OS_NON_PAGEABLE_HEAP, + sizeof(PVRSRV_KERNEL_MEM_INFO *) * psStubPBDesc->ui32SubKernelMemInfosCount, + ppsSharedPBDescSubKernelMemInfos, + 0); + /*not nulling pointer, out of scope*/ + + PVR_DPF((PVR_DBG_ERROR, "SGXFindSharedPBDescKM: ResManRegisterRes failed")); + + eError = PVRSRV_ERROR_UNABLE_TO_REGISTER_RESOURCE; + goto ExitNotFound; + } + + *ppsSharedPBDescKernelMemInfo = psStubPBDesc->psSharedPBDescKernelMemInfo; + *ppsHWPBDescKernelMemInfo = psStubPBDesc->psHWPBDescKernelMemInfo; + *ppsBlockKernelMemInfo = psStubPBDesc->psBlockKernelMemInfo; + *ppsHWBlockKernelMemInfo = psStubPBDesc->psHWBlockKernelMemInfo; + + *ui32SharedPBDescSubKernelMemInfosCount = + psStubPBDesc->ui32SubKernelMemInfosCount; + + *pppsSharedPBDescSubKernelMemInfos = ppsSharedPBDescSubKernelMemInfos; + + for(i=0; i<psStubPBDesc->ui32SubKernelMemInfosCount; i++) + { + ppsSharedPBDescSubKernelMemInfos[i] = + psStubPBDesc->ppsSubKernelMemInfos[i]; + } + + psStubPBDesc->ui32RefCount++; + *phSharedPBDesc = (IMG_HANDLE)psResItem; + return PVRSRV_OK; + } + + eError = PVRSRV_OK; + if (bLockOnFailure) + { + if (psResItemCreateSharedPB == IMG_NULL) + { + psResItemCreateSharedPB = ResManRegisterRes(psPerProc->hResManContext, + RESMAN_TYPE_SHARED_PB_DESC_CREATE_LOCK, + psPerProc, + 0, + &SGXCleanupSharedPBDescCreateLockCallback); + + if (psResItemCreateSharedPB == IMG_NULL) + { + PVR_DPF((PVR_DBG_ERROR, "SGXFindSharedPBDescKM: ResManRegisterRes failed")); + + eError = PVRSRV_ERROR_UNABLE_TO_REGISTER_RESOURCE; + goto ExitNotFound; + } + PVR_ASSERT(psPerProcCreateSharedPB == IMG_NULL); + psPerProcCreateSharedPB = psPerProc; + } + else + { + eError = PVRSRV_ERROR_PROCESSING_BLOCKED; + } + } +ExitNotFound: + *phSharedPBDesc = IMG_NULL; + + return eError; +} + + +static PVRSRV_ERROR +SGXCleanupSharedPBDescKM(PVRSRV_STUB_PBDESC *psStubPBDescIn) +{ + /*PVRSRV_STUB_PBDESC **ppsStubPBDesc;*/ + IMG_UINT32 i; + PVRSRV_DEVICE_NODE *psDeviceNode; + + psDeviceNode = (PVRSRV_DEVICE_NODE*)psStubPBDescIn->hDevCookie; + + psStubPBDescIn->ui32RefCount--; + if (psStubPBDescIn->ui32RefCount == 0) + { + IMG_DEV_VIRTADDR sHWPBDescDevVAddr = psStubPBDescIn->sHWPBDescDevVAddr; + List_PVRSRV_STUB_PBDESC_Remove(psStubPBDescIn); + for(i=0 ; i<psStubPBDescIn->ui32SubKernelMemInfosCount; i++) + { + PVRSRVFreeDeviceMemKM(psStubPBDescIn->hDevCookie, + psStubPBDescIn->ppsSubKernelMemInfos[i]); + } + + OSFreeMem(PVRSRV_OS_NON_PAGEABLE_HEAP, + sizeof(PVRSRV_KERNEL_MEM_INFO *) * psStubPBDescIn->ui32SubKernelMemInfosCount, + psStubPBDescIn->ppsSubKernelMemInfos, + 0); + psStubPBDescIn->ppsSubKernelMemInfos = IMG_NULL; + + PVRSRVFreeSharedSysMemoryKM(psStubPBDescIn->psBlockKernelMemInfo); + + PVRSRVFreeDeviceMemKM(psStubPBDescIn->hDevCookie, psStubPBDescIn->psHWBlockKernelMemInfo); + + PVRSRVFreeDeviceMemKM(psStubPBDescIn->hDevCookie, psStubPBDescIn->psHWPBDescKernelMemInfo); + + PVRSRVFreeSharedSysMemoryKM(psStubPBDescIn->psSharedPBDescKernelMemInfo); + + OSFreeMem(PVRSRV_OS_NON_PAGEABLE_HEAP, + sizeof(PVRSRV_STUB_PBDESC), + psStubPBDescIn, + 0); + /*not nulling pointer, copy on stack*/ + + /* signal the microkernel to clear its sTAHWPBDesc and s3DHWPBDesc values in sTA3DCtl */ + SGXCleanupRequest(psDeviceNode, + &sHWPBDescDevVAddr, + PVRSRV_CLEANUPCMD_PB, + CLEANUP_WITH_POLL); + } + return PVRSRV_OK; + /*return PVRSRV_ERROR_INVALID_PARAMS;*/ +} + +static PVRSRV_ERROR SGXCleanupSharedPBDescCallback(IMG_PVOID pvParam, IMG_UINT32 ui32Param, IMG_BOOL bDummy) +{ + PVRSRV_STUB_PBDESC *psStubPBDesc = (PVRSRV_STUB_PBDESC *)pvParam; + + PVR_UNREFERENCED_PARAMETER(ui32Param); + PVR_UNREFERENCED_PARAMETER(bDummy); + + return SGXCleanupSharedPBDescKM(psStubPBDesc); +} + +static PVRSRV_ERROR SGXCleanupSharedPBDescCreateLockCallback(IMG_PVOID pvParam, IMG_UINT32 ui32Param, IMG_BOOL bDummy) +{ +#ifdef DEBUG + PVRSRV_PER_PROCESS_DATA *psPerProc = (PVRSRV_PER_PROCESS_DATA *)pvParam; + PVR_ASSERT(psPerProc == psPerProcCreateSharedPB); +#else + PVR_UNREFERENCED_PARAMETER(pvParam); +#endif + + PVR_UNREFERENCED_PARAMETER(ui32Param); + PVR_UNREFERENCED_PARAMETER(bDummy); + + psPerProcCreateSharedPB = IMG_NULL; + psResItemCreateSharedPB = IMG_NULL; + + return PVRSRV_OK; +} + + +IMG_EXPORT PVRSRV_ERROR +SGXUnrefSharedPBDescKM(IMG_HANDLE hSharedPBDesc) +{ + PVR_ASSERT(hSharedPBDesc != IMG_NULL); + + return ResManFreeResByPtr(hSharedPBDesc, CLEANUP_WITH_POLL); +} + + +IMG_EXPORT PVRSRV_ERROR +SGXAddSharedPBDescKM(PVRSRV_PER_PROCESS_DATA *psPerProc, + IMG_HANDLE hDevCookie, + PVRSRV_KERNEL_MEM_INFO *psSharedPBDescKernelMemInfo, + PVRSRV_KERNEL_MEM_INFO *psHWPBDescKernelMemInfo, + PVRSRV_KERNEL_MEM_INFO *psBlockKernelMemInfo, + PVRSRV_KERNEL_MEM_INFO *psHWBlockKernelMemInfo, + IMG_UINT32 ui32TotalPBSize, + IMG_HANDLE *phSharedPBDesc, + PVRSRV_KERNEL_MEM_INFO **ppsSharedPBDescSubKernelMemInfos, + IMG_UINT32 ui32SharedPBDescSubKernelMemInfosCount, + IMG_DEV_VIRTADDR sHWPBDescDevVAddr) +{ + PVRSRV_STUB_PBDESC *psStubPBDesc=IMG_NULL; + PVRSRV_ERROR eRet = PVRSRV_ERROR_INVALID_PERPROC; + IMG_UINT32 i; + PVRSRV_SGXDEV_INFO *psSGXDevInfo; + PRESMAN_ITEM psResItem; + + /* + * The caller must have previously called SGXFindSharedPBDesc with + * bLockOnFailure set, and not managed to find a suitable shared PB. + */ + if (psPerProcCreateSharedPB != psPerProc) + { + goto NoAdd; + } + else + { + PVR_ASSERT(psResItemCreateSharedPB != IMG_NULL); + + ResManFreeResByPtr(psResItemCreateSharedPB, CLEANUP_WITH_POLL); + + PVR_ASSERT(psResItemCreateSharedPB == IMG_NULL); + PVR_ASSERT(psPerProcCreateSharedPB == IMG_NULL); + } + + psSGXDevInfo = (PVRSRV_SGXDEV_INFO *)((PVRSRV_DEVICE_NODE *)hDevCookie)->pvDevice; + + psStubPBDesc = psSGXDevInfo->psStubPBDescListKM; + if (psStubPBDesc != IMG_NULL) + { + if(psStubPBDesc->ui32TotalPBSize != ui32TotalPBSize) + { + PVR_DPF((PVR_DBG_WARNING, + "SGXAddSharedPBDescKM: Shared PB requested with different size (0x%x) from existing shared PB (0x%x) - requested size ignored", + ui32TotalPBSize, psStubPBDesc->ui32TotalPBSize)); + + } + + /* + * We make the caller think the add was successful, + * but return the existing shared PB desc rather than + * a new one. + */ + psResItem = ResManRegisterRes(psPerProc->hResManContext, + RESMAN_TYPE_SHARED_PB_DESC, + psStubPBDesc, + 0, + &SGXCleanupSharedPBDescCallback); + if (psResItem == IMG_NULL) + { + PVR_DPF((PVR_DBG_ERROR, + "SGXAddSharedPBDescKM: " + "Failed to register existing shared " + "PBDesc with the resource manager")); + goto NoAddKeepPB; + } + + /* + * The caller will unreference the PB desc after + * a successful add, so up the reference count. + */ + psStubPBDesc->ui32RefCount++; + + *phSharedPBDesc = (IMG_HANDLE)psResItem; + eRet = PVRSRV_OK; + goto NoAddKeepPB; + } + + if(OSAllocMem(PVRSRV_OS_NON_PAGEABLE_HEAP, + sizeof(PVRSRV_STUB_PBDESC), + (IMG_VOID **)&psStubPBDesc, + 0, + "Stub Parameter Buffer Description") != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR, "SGXAddSharedPBDescKM: Failed to alloc " + "StubPBDesc")); + eRet = PVRSRV_ERROR_OUT_OF_MEMORY; + goto NoAdd; + } + + + psStubPBDesc->ppsSubKernelMemInfos = IMG_NULL; + + if(OSAllocMem(PVRSRV_OS_NON_PAGEABLE_HEAP, + sizeof(PVRSRV_KERNEL_MEM_INFO *) + * ui32SharedPBDescSubKernelMemInfosCount, + (IMG_VOID **)&psStubPBDesc->ppsSubKernelMemInfos, + 0, + "Array of Kernel Memory Info") != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR, "SGXAddSharedPBDescKM: " + "Failed to alloc " + "StubPBDesc->ppsSubKernelMemInfos")); + eRet = PVRSRV_ERROR_OUT_OF_MEMORY; + goto NoAdd; + } + + if(PVRSRVDissociateMemFromResmanKM(psSharedPBDescKernelMemInfo) + != PVRSRV_OK) + { + goto NoAdd; + } + + if(PVRSRVDissociateMemFromResmanKM(psHWPBDescKernelMemInfo) + != PVRSRV_OK) + { + goto NoAdd; + } + + if(PVRSRVDissociateMemFromResmanKM(psBlockKernelMemInfo) + != PVRSRV_OK) + { + goto NoAdd; + } + + if(PVRSRVDissociateMemFromResmanKM(psHWBlockKernelMemInfo) + != PVRSRV_OK) + { + goto NoAdd; + } + + psStubPBDesc->ui32RefCount = 1; + psStubPBDesc->ui32TotalPBSize = ui32TotalPBSize; + psStubPBDesc->psSharedPBDescKernelMemInfo = psSharedPBDescKernelMemInfo; + psStubPBDesc->psHWPBDescKernelMemInfo = psHWPBDescKernelMemInfo; + psStubPBDesc->psBlockKernelMemInfo = psBlockKernelMemInfo; + psStubPBDesc->psHWBlockKernelMemInfo = psHWBlockKernelMemInfo; + + psStubPBDesc->ui32SubKernelMemInfosCount = + ui32SharedPBDescSubKernelMemInfosCount; + for(i=0; i<ui32SharedPBDescSubKernelMemInfosCount; i++) + { + psStubPBDesc->ppsSubKernelMemInfos[i] = ppsSharedPBDescSubKernelMemInfos[i]; + if(PVRSRVDissociateMemFromResmanKM(ppsSharedPBDescSubKernelMemInfos[i]) + != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR, "SGXAddSharedPBDescKM: " + "Failed to dissociate shared PBDesc " + "from process")); + goto NoAdd; + } + } + + psStubPBDesc->sHWPBDescDevVAddr = sHWPBDescDevVAddr; + + psResItem = ResManRegisterRes(psPerProc->hResManContext, + RESMAN_TYPE_SHARED_PB_DESC, + psStubPBDesc, + 0, + &SGXCleanupSharedPBDescCallback); + if (psResItem == IMG_NULL) + { + PVR_DPF((PVR_DBG_ERROR, "SGXAddSharedPBDescKM: " + "Failed to register shared PBDesc " + " with the resource manager")); + goto NoAdd; + } + psStubPBDesc->hDevCookie = hDevCookie; + + /* Finally everything was prepared successfully so link the new + * PB in to place. */ + List_PVRSRV_STUB_PBDESC_Insert(&(psSGXDevInfo->psStubPBDescListKM), + psStubPBDesc); + + *phSharedPBDesc = (IMG_HANDLE)psResItem; + + return PVRSRV_OK; + +NoAdd: + if(psStubPBDesc) + { + if(psStubPBDesc->ppsSubKernelMemInfos) + { + OSFreeMem(PVRSRV_OS_NON_PAGEABLE_HEAP, + sizeof(PVRSRV_KERNEL_MEM_INFO *) * ui32SharedPBDescSubKernelMemInfosCount, + psStubPBDesc->ppsSubKernelMemInfos, + 0); + psStubPBDesc->ppsSubKernelMemInfos = IMG_NULL; + } + OSFreeMem(PVRSRV_OS_NON_PAGEABLE_HEAP, + sizeof(PVRSRV_STUB_PBDESC), + psStubPBDesc, + 0); + /*not nulling pointer, out of scope*/ + } + +NoAddKeepPB: + for (i = 0; i < ui32SharedPBDescSubKernelMemInfosCount; i++) + { + PVRSRVFreeDeviceMemKM(hDevCookie, ppsSharedPBDescSubKernelMemInfos[i]); + } + + PVRSRVFreeSharedSysMemoryKM(psSharedPBDescKernelMemInfo); + PVRSRVFreeDeviceMemKM(hDevCookie, psHWPBDescKernelMemInfo); + + PVRSRVFreeSharedSysMemoryKM(psBlockKernelMemInfo); + PVRSRVFreeDeviceMemKM(hDevCookie, psHWBlockKernelMemInfo); + + return eRet; +} + +/****************************************************************************** + End of file (pb.c) +******************************************************************************/ |