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-rw-r--r--drivers/gpu/pvr/osperproc.c113
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 00000000000..882234f5df5
--- /dev/null
+++ b/drivers/gpu/pvr/osperproc.c
@@ -0,0 +1,113 @@
1/**********************************************************************
2 *
3 * Copyright(c) 2008 Imagination Technologies Ltd. All rights reserved.
4 *
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.
8 *
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.
13 *
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.
17 *
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
20 *
21 * Contact Information:
22 * Imagination Technologies Ltd. <gpl-support@imgtec.com>
23 * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
24 *
25 ******************************************************************************/
26
27#include "services_headers.h"
28#include "osperproc.h"
29
30#include "env_perproc.h"
31#include "proc.h"
32
33extern IMG_UINT32 gui32ReleasePID;
34
35PVRSRV_ERROR OSPerProcessPrivateDataInit(IMG_HANDLE *phOsPrivateData)
36{
37 PVRSRV_ERROR eError;
38 IMG_HANDLE hBlockAlloc;
39 PVRSRV_ENV_PER_PROCESS_DATA *psEnvPerProc;
40
41 eError = OSAllocMem(PVRSRV_OS_NON_PAGEABLE_HEAP,
42 sizeof(PVRSRV_ENV_PER_PROCESS_DATA),
43 phOsPrivateData,
44 &hBlockAlloc,
45 "Environment per Process Data");
46
47 if (eError != PVRSRV_OK)
48 {
49 *phOsPrivateData = IMG_NULL;
50
51 PVR_DPF((PVR_DBG_ERROR, "%s: OSAllocMem failed (%d)", __FUNCTION__, eError));
52 return eError;
53 }
54
55 psEnvPerProc = (PVRSRV_ENV_PER_PROCESS_DATA *)*phOsPrivateData;
56 OSMemSet(psEnvPerProc, 0, sizeof(*psEnvPerProc));
57
58 psEnvPerProc->hBlockAlloc = hBlockAlloc;
59
60
61 LinuxMMapPerProcessConnect(psEnvPerProc);
62
63#if defined(SUPPORT_DRI_DRM) && defined(PVR_SECURE_DRM_AUTH_EXPORT)
64
65 INIT_LIST_HEAD(&psEnvPerProc->sDRMAuthListHead);
66#endif
67
68 return PVRSRV_OK;
69}
70
71PVRSRV_ERROR OSPerProcessPrivateDataDeInit(IMG_HANDLE hOsPrivateData)
72{
73 PVRSRV_ERROR eError;
74 PVRSRV_ENV_PER_PROCESS_DATA *psEnvPerProc;
75
76 if (hOsPrivateData == IMG_NULL)
77 {
78 return PVRSRV_OK;
79 }
80
81 psEnvPerProc = (PVRSRV_ENV_PER_PROCESS_DATA *)hOsPrivateData;
82
83
84 LinuxMMapPerProcessDisconnect(psEnvPerProc);
85
86
87 RemovePerProcessProcDir(psEnvPerProc);
88
89 eError = OSFreeMem(PVRSRV_OS_NON_PAGEABLE_HEAP,
90 sizeof(PVRSRV_ENV_PER_PROCESS_DATA),
91 hOsPrivateData,
92 psEnvPerProc->hBlockAlloc);
93
94
95 if (eError != PVRSRV_OK)
96 {
97 PVR_DPF((PVR_DBG_ERROR, "%s: OSFreeMem failed (%d)", __FUNCTION__, eError));
98 }
99
100 return PVRSRV_OK;
101}
102
103PVRSRV_ERROR OSPerProcessSetHandleOptions(PVRSRV_HANDLE_BASE *psHandleBase)
104{
105 return LinuxMMapPerProcessHandleOptions(psHandleBase);
106}
107
108IMG_HANDLE LinuxTerminatingProcessPrivateData(IMG_VOID)
109{
110 if(!gui32ReleasePID)
111 return NULL;
112 return PVRSRVPerProcessPrivateData(gui32ReleasePID);
113}