drivers/gpu/rogue/generated/devicememhistory_bridge/server_devicememhistory_bridge.c

   1 /*************************************************************************/ /*!
   2 @File
   3 @Title          Server bridge for devicememhistory
   4 @Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
   5 @Description    Implements the server side of the bridge for devicememhistory
   6 @License        Dual MIT/GPLv2
   7
   8 The contents of this file are subject to the MIT license as set out below.
   9
  10 Permission is hereby granted, free of charge, to any person obtaining a copy
  11 of this software and associated documentation files (the "Software"), to deal
  12 in the Software without restriction, including without limitation the rights
  13 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  14 copies of the Software, and to permit persons to whom the Software is
  15 furnished to do so, subject to the following conditions:
  16
  17 The above copyright notice and this permission notice shall be included in
  18 all copies or substantial portions of the Software.
  19
  20 Alternatively, the contents of this file may be used under the terms of
  21 the GNU General Public License Version 2 ("GPL") in which case the provisions
  22 of GPL are applicable instead of those above.
  23
  24 If you wish to allow use of your version of this file only under the terms of
  25 GPL, and not to allow others to use your version of this file under the terms
  26 of the MIT license, indicate your decision by deleting the provisions above
  27 and replace them with the notice and other provisions required by GPL as set
  28 out in the file called "GPL-COPYING" included in this distribution. If you do
  29 not delete the provisions above, a recipient may use your version of this file
  30 under the terms of either the MIT license or GPL.
  31
  32 This License is also included in this distribution in the file called
  33 "MIT-COPYING".
  34
  35 EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
  36 PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
  37 BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  38 PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
  39 COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  40 IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  41 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  42 */ /**************************************************************************/
  43
  44 #include <stddef.h>
  45 #include <asm/uaccess.h>
  46
  47 #include "img_defs.h"
  48
  49 #include "devicemem_history_server.h"
  50
  51
  52 #include "common_devicememhistory_bridge.h"
  53
  54 #include "allocmem.h"
  55 #include "pvr_debug.h"
  56 #include "connection_server.h"
  57 #include "pvr_bridge.h"
  58 #include "rgx_bridge.h"
  59 #include "srvcore.h"
  60 #include "handle.h"
  61
  62 #if defined (SUPPORT_AUTH)
  63 #include "osauth.h"
  64 #endif
  65
  66 #include <linux/slab.h>
  67
  68 /* ***************************************************************************
  69  * Bridge proxy functions
  70  */
  71
  72
  73
  74 /* ***************************************************************************
  75  * Server-side bridge entry points
  76  */
  77
  78 static IMG_INT
  79 PVRSRVBridgeDevicememHistoryMap(IMG_UINT32 ui32BridgeID,
  80                                          PVRSRV_BRIDGE_IN_DEVICEMEMHISTORYMAP *psDevicememHistoryMapIN,
  81                                          PVRSRV_BRIDGE_OUT_DEVICEMEMHISTORYMAP *psDevicememHistoryMapOUT,
  82                                          CONNECTION_DATA *psConnection)
  83 {
  84         IMG_CHAR *uiTextInt = IMG_NULL;
  85
  86         PVRSRV_BRIDGE_ASSERT_CMD(ui32BridgeID, PVRSRV_BRIDGE_DEVICEMEMHISTORY_DEVICEMEMHISTORYMAP);
  87
  88         PVR_UNREFERENCED_PARAMETER(psConnection);
  89
  90
  91
  92
  93         {
  94                 uiTextInt = OSAllocMem(DEVICEMEM_HISTORY_TEXT_BUFSZ * sizeof(IMG_CHAR));
  95                 if (!uiTextInt)
  96                 {
  97                         psDevicememHistoryMapOUT->eError = PVRSRV_ERROR_OUT_OF_MEMORY;
  98
  99                         goto DevicememHistoryMap_exit;
 100                 }
 101         }
 102
 103                         /* Copy the data over */
 104                         if ( !OSAccessOK(PVR_VERIFY_READ, (IMG_VOID*) psDevicememHistoryMapIN->puiText, DEVICEMEM_HISTORY_TEXT_BUFSZ * sizeof(IMG_CHAR))
 105                                 || (OSCopyFromUser(NULL, uiTextInt, psDevicememHistoryMapIN->puiText,
 106                                 DEVICEMEM_HISTORY_TEXT_BUFSZ * sizeof(IMG_CHAR)) != PVRSRV_OK) )
 107                         {
 108                                 psDevicememHistoryMapOUT->eError = PVRSRV_ERROR_INVALID_PARAMS;
 109
 110                                 goto DevicememHistoryMap_exit;
 111                         }
 112
 113         psDevicememHistoryMapOUT->eError =
 114                 DevicememHistoryMapKM(
 115                                         psDevicememHistoryMapIN->sDevVAddr,
 116                                         psDevicememHistoryMapIN->uiSize,
 117                                         uiTextInt);
 118
 119
 120
 121 DevicememHistoryMap_exit:
 122         if (uiTextInt)
 123                 OSFreeMem(uiTextInt);
 124
 125         return 0;
 126 }
 127
 128 static IMG_INT
 129 PVRSRVBridgeDevicememHistoryUnmap(IMG_UINT32 ui32BridgeID,
 130                                          PVRSRV_BRIDGE_IN_DEVICEMEMHISTORYUNMAP *psDevicememHistoryUnmapIN,
 131                                          PVRSRV_BRIDGE_OUT_DEVICEMEMHISTORYUNMAP *psDevicememHistoryUnmapOUT,
 132                                          CONNECTION_DATA *psConnection)
 133 {
 134         IMG_CHAR *uiTextInt = IMG_NULL;
 135
 136         PVRSRV_BRIDGE_ASSERT_CMD(ui32BridgeID, PVRSRV_BRIDGE_DEVICEMEMHISTORY_DEVICEMEMHISTORYUNMAP);
 137
 138         PVR_UNREFERENCED_PARAMETER(psConnection);
 139
 140
 141
 142
 143         {
 144                 uiTextInt = OSAllocMem(DEVICEMEM_HISTORY_TEXT_BUFSZ * sizeof(IMG_CHAR));
 145                 if (!uiTextInt)
 146                 {
 147                         psDevicememHistoryUnmapOUT->eError = PVRSRV_ERROR_OUT_OF_MEMORY;
 148
 149                         goto DevicememHistoryUnmap_exit;
 150                 }
 151         }
 152
 153                         /* Copy the data over */
 154                         if ( !OSAccessOK(PVR_VERIFY_READ, (IMG_VOID*) psDevicememHistoryUnmapIN->puiText, DEVICEMEM_HISTORY_TEXT_BUFSZ * sizeof(IMG_CHAR))
 155                                 || (OSCopyFromUser(NULL, uiTextInt, psDevicememHistoryUnmapIN->puiText,
 156                                 DEVICEMEM_HISTORY_TEXT_BUFSZ * sizeof(IMG_CHAR)) != PVRSRV_OK) )
 157                         {
 158                                 psDevicememHistoryUnmapOUT->eError = PVRSRV_ERROR_INVALID_PARAMS;
 159
 160                                 goto DevicememHistoryUnmap_exit;
 161                         }
 162
 163         psDevicememHistoryUnmapOUT->eError =
 164                 DevicememHistoryUnmapKM(
 165                                         psDevicememHistoryUnmapIN->sDevVAddr,
 166                                         psDevicememHistoryUnmapIN->uiSize,
 167                                         uiTextInt);
 168
 169
 170
 171 DevicememHistoryUnmap_exit:
 172         if (uiTextInt)
 173                 OSFreeMem(uiTextInt);
 174
 175         return 0;
 176 }
 177
 178
 179
 180 /* ***************************************************************************
 181  * Server bridge dispatch related glue
 182  */
 183
 184 PVRSRV_ERROR RegisterDEVICEMEMHISTORYFunctions(IMG_VOID);
 185 IMG_VOID UnregisterDEVICEMEMHISTORYFunctions(IMG_VOID);
 186
 187 /*
 188  * Register all DEVICEMEMHISTORY functions with services
 189  */
 190 PVRSRV_ERROR RegisterDEVICEMEMHISTORYFunctions(IMG_VOID)
 191 {
 192         SetDispatchTableEntry(PVRSRV_BRIDGE_DEVICEMEMHISTORY_DEVICEMEMHISTORYMAP, PVRSRVBridgeDevicememHistoryMap);
 193         SetDispatchTableEntry(PVRSRV_BRIDGE_DEVICEMEMHISTORY_DEVICEMEMHISTORYUNMAP, PVRSRVBridgeDevicememHistoryUnmap);
 194
 195         return PVRSRV_OK;
 196 }
 197
 198 /*
 199  * Unregister all devicememhistory functions with services
 200  */
 201 IMG_VOID UnregisterDEVICEMEMHISTORYFunctions(IMG_VOID)
 202 {
 203 }