1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
|
/**********************************************************************
*
* 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 "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;
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"));
PVR_ASSERT(psPerProc->ui32PID == 0);
}
else
{
PVR_ASSERT((PVRSRV_PER_PROCESS_DATA *)uiPerProc == psPerProc);
PVR_ASSERT(((PVRSRV_PER_PROCESS_DATA *)uiPerProc)->ui32PID == psPerProc->ui32PID);
}
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;
}
}
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;
}
}
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);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "FreePerProcessData: Couldn't free per-process data (%d)", eError));
return eError;
}
return PVRSRV_OK;
}
PVRSRV_PER_PROCESS_DATA *PVRSRVPerProcessData(IMG_UINT32 ui32PID)
{
PVRSRV_PER_PROCESS_DATA *psPerProc;
PVR_ASSERT(psHashTab != IMG_NULL);
psPerProc = (PVRSRV_PER_PROCESS_DATA *)HASH_Retrieve(psHashTab, (IMG_UINTPTR_T)ui32PID);
return psPerProc;
}
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;
}
psPerProc = (PVRSRV_PER_PROCESS_DATA *)HASH_Retrieve(psHashTab, (IMG_UINTPTR_T)ui32PID);
if (psPerProc == IMG_NULL)
{
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
eError = OSPerProcessPrivateDataInit(&psPerProc->hOsPrivateData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "PVRSRVPerProcessDataConnect: OSPerProcessPrivateDataInit failed (%d)", eError));
goto failure;
}
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;
}
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;
}
eError = OSPerProcessSetHandleOptions(psPerProc->psHandleBase);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "PVRSRVPerProcessDataConnect: Couldn't set handle options (%d)", eError));
goto failure;
}
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;
}
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));
#if defined (TTRACE)
PVRSRVTimeTraceBufferDestroy(ui32PID);
#endif
PVRSRVResManDisconnect(psPerProc->hResManContext, IMG_FALSE);
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));
}
}
PVRSRV_ERROR PVRSRVPerProcessDataInit(IMG_VOID)
{
PVR_ASSERT(psHashTab == IMG_NULL);
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;
}
PVRSRV_ERROR PVRSRVPerProcessDataDeInit(IMG_VOID)
{
if (psHashTab != IMG_NULL)
{
HASH_Delete(psHashTab);
psHashTab = IMG_NULL;
}
return PVRSRV_OK;
}
|
