diff options
Diffstat (limited to 'drivers/gpu/pvr/sgx/pb.c')
| -rw-r--r-- | drivers/gpu/pvr/sgx/pb.c | 466 |
1 files changed, 466 insertions, 0 deletions
diff --git a/drivers/gpu/pvr/sgx/pb.c b/drivers/gpu/pvr/sgx/pb.c new file mode 100644 index 0000000..ab6523a --- /dev/null +++ b/drivers/gpu/pvr/sgx/pb.c @@ -0,0 +1,466 @@ +/********************************************************************** + * + * Copyright (C) Imagination Technologies Ltd. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful but, except + * as otherwise stated in writing, without any warranty; without even the + * implied warranty of merchantability or fitness for a particular purpose. + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + * Contact Information: + * Imagination Technologies Ltd. <gpl-support@imgtec.com> + * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK + * + ******************************************************************************/ + +#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" + +#ifndef __linux__ +#pragma message("TODO: 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); + +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); + + + 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) +{ + + 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); + + + + SGXCleanupRequest(psDeviceNode, + &sHWPBDescDevVAddr, + PVRSRV_CLEANUPCMD_PB, + CLEANUP_WITH_POLL); + } + return PVRSRV_OK; + +} + +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; + + + 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)); + + } + + + 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; + } + + + 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; + + + 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); + + } + +NoAddKeepPB: + for (i = 0; i < ui32SharedPBDescSubKernelMemInfosCount; i++) + { + PVRSRVFreeDeviceMemKM(hDevCookie, ppsSharedPBDescSubKernelMemInfos[i]); + } + + PVRSRVFreeSharedSysMemoryKM(psSharedPBDescKernelMemInfo); + PVRSRVFreeDeviceMemKM(hDevCookie, psHWPBDescKernelMemInfo); + + PVRSRVFreeSharedSysMemoryKM(psBlockKernelMemInfo); + PVRSRVFreeDeviceMemKM(hDevCookie, psHWBlockKernelMemInfo); + + return eRet; +} + |