diff options
Diffstat (limited to 'pvr-source/services4/srvkm/env/linux/osperproc.c')
-rw-r--r-- | pvr-source/services4/srvkm/env/linux/osperproc.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/pvr-source/services4/srvkm/env/linux/osperproc.c b/pvr-source/services4/srvkm/env/linux/osperproc.c new file mode 100644 index 0000000..a22b461 --- /dev/null +++ b/pvr-source/services4/srvkm/env/linux/osperproc.c @@ -0,0 +1,146 @@ +/*************************************************************************/ /*! +@Title Linux specific per process data 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 "services_headers.h" +#include "osperproc.h" + +#include "env_perproc.h" +#include "proc.h" +#if defined (SUPPORT_ION) +#include "linux/ion.h" + +extern struct ion_device *psIonDev; +#endif +extern IMG_UINT32 gui32ReleasePID; + +PVRSRV_ERROR OSPerProcessPrivateDataInit(IMG_HANDLE *phOsPrivateData) +{ + PVRSRV_ERROR eError; + IMG_HANDLE hBlockAlloc; + PVRSRV_ENV_PER_PROCESS_DATA *psEnvPerProc; + + eError = OSAllocMem(PVRSRV_OS_NON_PAGEABLE_HEAP, + sizeof(PVRSRV_ENV_PER_PROCESS_DATA), + phOsPrivateData, + &hBlockAlloc, + "Environment per Process Data"); + + if (eError != PVRSRV_OK) + { + *phOsPrivateData = IMG_NULL; + + PVR_DPF((PVR_DBG_ERROR, "%s: OSAllocMem failed (%d)", __FUNCTION__, eError)); + return eError; + } + + psEnvPerProc = (PVRSRV_ENV_PER_PROCESS_DATA *)*phOsPrivateData; + OSMemSet(psEnvPerProc, 0, sizeof(*psEnvPerProc)); + + psEnvPerProc->hBlockAlloc = hBlockAlloc; + + /* Linux specific mmap processing */ + LinuxMMapPerProcessConnect(psEnvPerProc); + +#if defined(SUPPORT_DRI_DRM) && defined(PVR_SECURE_DRM_AUTH_EXPORT) + /* Linked list of PVRSRV_FILE_PRIVATE_DATA structures */ + INIT_LIST_HEAD(&psEnvPerProc->sDRMAuthListHead); +#endif +#if defined(SUPPORT_ION) + OSSNPrintf(psEnvPerProc->azIonClientName, ION_CLIENT_NAME_SIZE, "pvr_ion_client-%d", OSGetCurrentProcessIDKM()); + psEnvPerProc->psIONClient = + ion_client_create(psIonDev, + 1 << ION_HEAP_TYPE_SYSTEM_CONTIG | + 1 << ION_HEAP_TYPE_SYSTEM, + psEnvPerProc->azIonClientName); + + if (IS_ERR_OR_NULL(psEnvPerProc->psIONClient)) + { + PVR_DPF((PVR_DBG_ERROR, "OSPerProcessPrivateDataInit: Couldn't create " + "ion client for per process data")); + return PVRSRV_ERROR_OUT_OF_MEMORY; + } +#endif /* SUPPORT_ION */ + return PVRSRV_OK; +} + +PVRSRV_ERROR OSPerProcessPrivateDataDeInit(IMG_HANDLE hOsPrivateData) +{ + PVRSRV_ERROR eError; + PVRSRV_ENV_PER_PROCESS_DATA *psEnvPerProc; + + if (hOsPrivateData == IMG_NULL) + { + return PVRSRV_OK; + } + + psEnvPerProc = (PVRSRV_ENV_PER_PROCESS_DATA *)hOsPrivateData; + + /* Linux specific mmap processing */ + LinuxMMapPerProcessDisconnect(psEnvPerProc); + + /* Remove per process /proc entries */ + RemovePerProcessProcDir(psEnvPerProc); + + eError = OSFreeMem(PVRSRV_OS_NON_PAGEABLE_HEAP, + sizeof(PVRSRV_ENV_PER_PROCESS_DATA), + hOsPrivateData, + psEnvPerProc->hBlockAlloc); + /*not nulling pointer, copy on stack*/ + + if (eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR, "%s: OSFreeMem failed (%d)", __FUNCTION__, eError)); + } + + return PVRSRV_OK; +} + +PVRSRV_ERROR OSPerProcessSetHandleOptions(PVRSRV_HANDLE_BASE *psHandleBase) +{ + return LinuxMMapPerProcessHandleOptions(psHandleBase); +} + +IMG_HANDLE LinuxTerminatingProcessPrivateData(IMG_VOID) +{ + if(!gui32ReleasePID) + return NULL; + return PVRSRVPerProcessPrivateData(gui32ReleasePID); +} |