1 /**********************************************************************
3 * Copyright(c) 2008 Imagination Technologies Ltd. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful but, except
10 * as otherwise stated in writing, without any warranty; without even the
11 * implied warranty of merchantability or fitness for a particular purpose.
12 * See the GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
21 * Contact Information:
22 * Imagination Technologies Ltd. <gpl-support@imgtec.com>
23 * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
25 ******************************************************************************/
27 #include "services_headers.h"
28 #include "osperproc.h"
30 #include "env_perproc.h"
33 enum PVRSRV_ERROR OSPerProcessPrivateDataInit(void **phOsPrivateData)
35 enum PVRSRV_ERROR eError;
37 struct PVRSRV_ENV_PER_PROCESS_DATA *psEnvPerProc;
39 eError = OSAllocMem(PVRSRV_OS_NON_PAGEABLE_HEAP,
40 sizeof(struct PVRSRV_ENV_PER_PROCESS_DATA),
41 phOsPrivateData, &hBlockAlloc);
43 if (eError != PVRSRV_OK) {
44 *phOsPrivateData = NULL;
46 PVR_DPF(PVR_DBG_ERROR, "%s: OSAllocMem failed (%d)", __func__,
51 psEnvPerProc = (struct PVRSRV_ENV_PER_PROCESS_DATA *)*phOsPrivateData;
52 OSMemSet(psEnvPerProc, 0, sizeof(*psEnvPerProc));
54 psEnvPerProc->hBlockAlloc = hBlockAlloc;
56 LinuxMMapPerProcessConnect(psEnvPerProc);
61 enum PVRSRV_ERROR OSPerProcessPrivateDataDeInit(void *hOsPrivateData)
63 struct PVRSRV_ENV_PER_PROCESS_DATA *psEnvPerProc;
65 if (hOsPrivateData == NULL)
68 psEnvPerProc = (struct PVRSRV_ENV_PER_PROCESS_DATA *)hOsPrivateData;
70 LinuxMMapPerProcessDisconnect(psEnvPerProc);
72 RemovePerProcessProcDir(psEnvPerProc);
74 OSFreeMem(PVRSRV_OS_NON_PAGEABLE_HEAP,
75 sizeof(struct PVRSRV_ENV_PER_PROCESS_DATA),
76 hOsPrivateData, psEnvPerProc->hBlockAlloc);
80 enum PVRSRV_ERROR OSPerProcessSetHandleOptions(struct PVRSRV_HANDLE_BASE
83 return LinuxMMapPerProcessHandleOptions(psHandleBase);