diff options
Diffstat (limited to 'pvr-source/services4/srvkm/common/perproc.c')
| -rwxr-xr-x | pvr-source/services4/srvkm/common/perproc.c | 398 |
1 files changed, 0 insertions, 398 deletions
diff --git a/pvr-source/services4/srvkm/common/perproc.c b/pvr-source/services4/srvkm/common/perproc.c deleted file mode 100755 index 3918bb2..0000000 --- a/pvr-source/services4/srvkm/common/perproc.c +++ /dev/null @@ -1,398 +0,0 @@ -/*************************************************************************/ /*! -@Title Per-process storage -@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved -@Description Manage per-process storage -@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 "services_headers.h" -#include "resman.h" -#include "handle.h" -#include "perproc.h" -#include "osperproc.h" -#if defined(TTRACE) -#include "ttrace.h" -#endif - -#define HASH_TAB_INIT_SIZE 32 - -static HASH_TABLE *psHashTab = IMG_NULL; - -/*! -****************************************************************************** - - @Function FreePerProcData - - @Description Free a per-process data area - - @Input psPerProc - pointer to per-process data area - - @Return Error code, or PVRSRV_OK - -******************************************************************************/ -static PVRSRV_ERROR FreePerProcessData(PVRSRV_PER_PROCESS_DATA *psPerProc) -{ - PVRSRV_ERROR eError; - IMG_UINTPTR_T uiPerProc; - - PVR_ASSERT(psPerProc != IMG_NULL); - - if (psPerProc == IMG_NULL) - { - PVR_DPF((PVR_DBG_ERROR, "FreePerProcessData: invalid parameter")); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - uiPerProc = HASH_Remove(psHashTab, (IMG_UINTPTR_T)psPerProc->ui32PID); - if (uiPerProc == 0) - { - PVR_DPF((PVR_DBG_ERROR, "FreePerProcessData: Couldn't find process in per-process data hash table")); - /* - * We must have failed early in the per-process data area - * creation, before the process ID was set. - */ - PVR_ASSERT(psPerProc->ui32PID == 0); - } - else - { - PVR_ASSERT((PVRSRV_PER_PROCESS_DATA *)uiPerProc == psPerProc); - PVR_ASSERT(((PVRSRV_PER_PROCESS_DATA *)uiPerProc)->ui32PID == psPerProc->ui32PID); - } - - /* Free handle base for this process */ - if (psPerProc->psHandleBase != IMG_NULL) - { - eError = PVRSRVFreeHandleBase(psPerProc->psHandleBase); - if (eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "FreePerProcessData: Couldn't free handle base for process (%d)", eError)); - return eError; - } - } - - /* Release handle for per-process data area */ - if (psPerProc->hPerProcData != IMG_NULL) - { - eError = PVRSRVReleaseHandle(KERNEL_HANDLE_BASE, psPerProc->hPerProcData, PVRSRV_HANDLE_TYPE_PERPROC_DATA); - - if (eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "FreePerProcessData: Couldn't release per-process data handle (%d)", eError)); - return eError; - } - } - - /* Call environment specific per process deinit function */ - eError = OSPerProcessPrivateDataDeInit(psPerProc->hOsPrivateData); - if (eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "FreePerProcessData: OSPerProcessPrivateDataDeInit failed (%d)", eError)); - return eError; - } - - eError = OSFreeMem(PVRSRV_OS_NON_PAGEABLE_HEAP, - sizeof(*psPerProc), - psPerProc, - psPerProc->hBlockAlloc); - /*not nulling pointer, copy on stack*/ - if (eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "FreePerProcessData: Couldn't free per-process data (%d)", eError)); - return eError; - } - - return PVRSRV_OK; -} - - -/*! -****************************************************************************** - - @Function PVRSRVPerProcessData - - @Description Return per-process data area - - @Input ui32PID - process ID - - @Return Pointer to per-process data area, or IMG_NULL on error. - -******************************************************************************/ -PVRSRV_PER_PROCESS_DATA *PVRSRVPerProcessData(IMG_UINT32 ui32PID) -{ - PVRSRV_PER_PROCESS_DATA *psPerProc; - - PVR_ASSERT(psHashTab != IMG_NULL); - - /* Look for existing per-process data area */ - psPerProc = (PVRSRV_PER_PROCESS_DATA *)HASH_Retrieve(psHashTab, (IMG_UINTPTR_T)ui32PID); - return psPerProc; -} - - -/*! -****************************************************************************** - - @Function PVRSRVPerProcessDataConnect - - @Description Allocate per-process data area, or increment refcount if one - already exists for this PID. - - @Input ui32PID - process ID - ppsPerProc - Pointer to per-process data area - - @Return PVRSRV_ERROR - -******************************************************************************/ -PVRSRV_ERROR PVRSRVPerProcessDataConnect(IMG_UINT32 ui32PID, IMG_UINT32 ui32Flags) -{ - PVRSRV_PER_PROCESS_DATA *psPerProc; - IMG_HANDLE hBlockAlloc; - PVRSRV_ERROR eError = PVRSRV_OK; - - if (psHashTab == IMG_NULL) - { - return PVRSRV_ERROR_INIT_FAILURE; - } - - /* Look for existing per-process data area */ - psPerProc = (PVRSRV_PER_PROCESS_DATA *)HASH_Retrieve(psHashTab, (IMG_UINTPTR_T)ui32PID); - - if (psPerProc == IMG_NULL) - { - /* Allocate per-process data area */ - eError = OSAllocMem(PVRSRV_OS_NON_PAGEABLE_HEAP, - sizeof(*psPerProc), - (IMG_PVOID *)&psPerProc, - &hBlockAlloc, - "Per Process Data"); - if (eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVPerProcessDataConnect: Couldn't allocate per-process data (%d)", eError)); - return eError; - } - OSMemSet(psPerProc, 0, sizeof(*psPerProc)); - psPerProc->hBlockAlloc = hBlockAlloc; - - if (!HASH_Insert(psHashTab, (IMG_UINTPTR_T)ui32PID, (IMG_UINTPTR_T)psPerProc)) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVPerProcessDataConnect: Couldn't insert per-process data into hash table")); - eError = PVRSRV_ERROR_INSERT_HASH_TABLE_DATA_FAILED; - goto failure; - } - - psPerProc->ui32PID = ui32PID; - psPerProc->ui32RefCount = 0; - -#if defined(SUPPORT_PDUMP_MULTI_PROCESS) - if (ui32Flags == SRV_FLAGS_PDUMP_ACTIVE) - { - psPerProc->bPDumpActive = IMG_TRUE; - } -#else - PVR_UNREFERENCED_PARAMETER(ui32Flags); -#endif - - /* Call environment specific per process init function */ - eError = OSPerProcessPrivateDataInit(&psPerProc->hOsPrivateData); - if (eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVPerProcessDataConnect: OSPerProcessPrivateDataInit failed (%d)", eError)); - goto failure; - } - - /* Allocate a handle for the per-process data area */ - eError = PVRSRVAllocHandle(KERNEL_HANDLE_BASE, - &psPerProc->hPerProcData, - psPerProc, - PVRSRV_HANDLE_TYPE_PERPROC_DATA, - PVRSRV_HANDLE_ALLOC_FLAG_NONE); - if (eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVPerProcessDataConnect: Couldn't allocate handle for per-process data (%d)", eError)); - goto failure; - } - - /* Allocate handle base for this process */ - eError = PVRSRVAllocHandleBase(&psPerProc->psHandleBase); - if (eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVPerProcessDataConnect: Couldn't allocate handle base for process (%d)", eError)); - goto failure; - } - - /* Set per-process handle options */ - eError = OSPerProcessSetHandleOptions(psPerProc->psHandleBase); - if (eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVPerProcessDataConnect: Couldn't set handle options (%d)", eError)); - goto failure; - } - - /* Create a resource manager context for the process */ - eError = PVRSRVResManConnect(psPerProc, &psPerProc->hResManContext); - if (eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVPerProcessDataConnect: Couldn't register with the resource manager")); - goto failure; - } -#if defined (TTRACE) - PVRSRVTimeTraceBufferCreate(ui32PID); -#endif - } - - psPerProc->ui32RefCount++; - PVR_DPF((PVR_DBG_MESSAGE, - "PVRSRVPerProcessDataConnect: Process 0x%x has ref-count %d", - ui32PID, psPerProc->ui32RefCount)); - - return eError; - -failure: - (IMG_VOID)FreePerProcessData(psPerProc); - return eError; -} - - -/*! -****************************************************************************** - - @Function PVRSRVPerProcessDataDisconnect - - @Description Decrement refcount for per-process data area, - and free the resources if necessary. - - @Input ui32PID - process ID - - @Return IMG_VOID - -******************************************************************************/ -IMG_VOID PVRSRVPerProcessDataDisconnect(IMG_UINT32 ui32PID) -{ - PVRSRV_ERROR eError; - PVRSRV_PER_PROCESS_DATA *psPerProc; - - PVR_ASSERT(psHashTab != IMG_NULL); - - psPerProc = (PVRSRV_PER_PROCESS_DATA *)HASH_Retrieve(psHashTab, (IMG_UINTPTR_T)ui32PID); - if (psPerProc == IMG_NULL) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVPerProcessDataDealloc: Couldn't locate per-process data for PID %u", ui32PID)); - } - else - { - psPerProc->ui32RefCount--; - if (psPerProc->ui32RefCount == 0) - { - PVR_DPF((PVR_DBG_MESSAGE, "PVRSRVPerProcessDataDisconnect: " - "Last close from process 0x%x received", ui32PID)); - - /* Close the Resource Manager connection */ - PVRSRVResManDisconnect(psPerProc->hResManContext, IMG_FALSE); - -#if defined (TTRACE) - PVRSRVTimeTraceBufferDestroy(ui32PID); -#endif - - /* Free the per-process data */ - eError = FreePerProcessData(psPerProc); - if (eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVPerProcessDataDisconnect: Error freeing per-process data")); - } - } - } - - eError = PVRSRVPurgeHandles(KERNEL_HANDLE_BASE); - if (eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVPerProcessDataDisconnect: Purge of global handle pool failed (%d)", eError)); - } -} - - -/*! -****************************************************************************** - - @Function PVRSRVPerProcessDataInit - - @Description Initialise per-process data management - - @Return Error code, or PVRSRV_OK - -******************************************************************************/ -PVRSRV_ERROR PVRSRVPerProcessDataInit(IMG_VOID) -{ - PVR_ASSERT(psHashTab == IMG_NULL); - - /* Create hash table */ - psHashTab = HASH_Create(HASH_TAB_INIT_SIZE); - if (psHashTab == IMG_NULL) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVPerProcessDataInit: Couldn't create per-process data hash table")); - return PVRSRV_ERROR_UNABLE_TO_CREATE_HASH_TABLE; - } - - return PVRSRV_OK; -} - -/*! -****************************************************************************** - - @Function PVRSRVPerProcessDataDeInit - - @Description De-initialise per-process data management - - @Return Error code, or PVRSRV_OK - -******************************************************************************/ -PVRSRV_ERROR PVRSRVPerProcessDataDeInit(IMG_VOID) -{ - /* Destroy per-process data area hash table */ - if (psHashTab != IMG_NULL) - { - /* Free the hash table */ - HASH_Delete(psHashTab); - psHashTab = IMG_NULL; - } - - return PVRSRV_OK; -} - -/****************************************************************************** - End of file (perproc.c) -******************************************************************************/ |