diff --git a/sgx_km/eurasia_km/services4/srvkm/devices/sgx/pb.c b/sgx_km/eurasia_km/services4/srvkm/devices/sgx/pb.c
--- /dev/null
@@ -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_NON_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)
+******************************************************************************/