diff options
Diffstat (limited to 'drivers/gpu/pvr/osperproc.c')
-rw-r--r-- | drivers/gpu/pvr/osperproc.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/drivers/gpu/pvr/osperproc.c b/drivers/gpu/pvr/osperproc.c new file mode 100644 index 0000000..6b57dfc --- /dev/null +++ b/drivers/gpu/pvr/osperproc.c @@ -0,0 +1,113 @@ +/********************************************************************** + * + * 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 "services_headers.h" +#include "osperproc.h" + +#include "env_perproc.h" +#include "proc.h" + +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; + + + LinuxMMapPerProcessConnect(psEnvPerProc); + +#if defined(SUPPORT_DRI_DRM) && defined(PVR_SECURE_DRM_AUTH_EXPORT) + + INIT_LIST_HEAD(&psEnvPerProc->sDRMAuthListHead); +#endif + + 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; + + + LinuxMMapPerProcessDisconnect(psEnvPerProc); + + + RemovePerProcessProcDir(psEnvPerProc); + + eError = OSFreeMem(PVRSRV_OS_NON_PAGEABLE_HEAP, + sizeof(PVRSRV_ENV_PER_PROCESS_DATA), + hOsPrivateData, + psEnvPerProc->hBlockAlloc); + + + 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); +} |