IMG_INTERNAL PVRSRV_ERROR IMG_CALLCONV BridgeAllocSyncPrimitiveBlock(IMG_HANDLE hBridge,
IMG_HANDLE hDevNode,
IMG_HANDLE *phSyncHandle,
IMG_UINT32 *pui32SyncPrimVAddr,
IMG_UINT32 *pui32SyncPrimBlockSize,
DEVMEM_SERVER_EXPORTCOOKIE *phExportCookie)
{
PVRSRV_ERROR eError;
IMG_HANDLE hDevNodeInt;
SYNC_PRIMITIVE_BLOCK * psSyncHandleInt;
DEVMEM_EXPORTCOOKIE * psExportCookieInt;
hDevNodeInt = (IMG_HANDLE) hDevNode;
eError =
PVRSRVAllocSyncPrimitiveBlockKM(hBridge
,
hDevNodeInt,
&psSyncHandleInt,
pui32SyncPrimVAddr,
pui32SyncPrimBlockSize,
&psExportCookieInt);
*phSyncHandle = psSyncHandleInt;
*phExportCookie = psExportCookieInt;
return eError;
}
static IMG_INT
PVRSRVBridgeAllocSyncPrimitiveBlock(IMG_UINT32 ui32BridgeID,
PVRSRV_BRIDGE_IN_ALLOCSYNCPRIMITIVEBLOCK *psAllocSyncPrimitiveBlockIN,
PVRSRV_BRIDGE_OUT_ALLOCSYNCPRIMITIVEBLOCK *psAllocSyncPrimitiveBlockOUT,
CONNECTION_DATA *psConnection)
{
IMG_HANDLE hDevNodeInt = IMG_NULL;
SYNC_PRIMITIVE_BLOCK * psSyncHandleInt = IMG_NULL;
IMG_HANDLE hSyncHandleInt2 = IMG_NULL;
DEVMEM_EXPORTCOOKIE * psExportCookieInt = IMG_NULL;
PVRSRV_BRIDGE_ASSERT_CMD(ui32BridgeID, PVRSRV_BRIDGE_SYNC_ALLOCSYNCPRIMITIVEBLOCK);
psAllocSyncPrimitiveBlockOUT->hSyncHandle = IMG_NULL;
{
/* Look up the address from the handle */
psAllocSyncPrimitiveBlockOUT->eError =
PVRSRVLookupHandle(psConnection->psHandleBase,
(IMG_HANDLE *) &hDevNodeInt,
psAllocSyncPrimitiveBlockIN->hDevNode,
PVRSRV_HANDLE_TYPE_DEV_NODE);
if(psAllocSyncPrimitiveBlockOUT->eError != PVRSRV_OK)
{
goto AllocSyncPrimitiveBlock_exit;
}
}
psAllocSyncPrimitiveBlockOUT->eError =
PVRSRVAllocSyncPrimitiveBlockKM(psConnection,
hDevNodeInt,
&psSyncHandleInt,
&psAllocSyncPrimitiveBlockOUT->ui32SyncPrimVAddr,
&psAllocSyncPrimitiveBlockOUT->ui32SyncPrimBlockSize,
&psExportCookieInt);
/* Exit early if bridged call fails */
if(psAllocSyncPrimitiveBlockOUT->eError != PVRSRV_OK)
{
goto AllocSyncPrimitiveBlock_exit;
}
/* Create a resman item and overwrite the handle with it */
hSyncHandleInt2 = ResManRegisterRes(psConnection->hResManContext,
RESMAN_TYPE_SYNC_PRIMITIVE_BLOCK,
psSyncHandleInt,
/* FIXME: how can we avoid this cast? */
(RESMAN_FREE_FN)&PVRSRVFreeSyncPrimitiveBlockKM);
if (hSyncHandleInt2 == IMG_NULL)
{
psAllocSyncPrimitiveBlockOUT->eError = PVRSRV_ERROR_UNABLE_TO_REGISTER_RESOURCE;
goto AllocSyncPrimitiveBlock_exit;
}
psAllocSyncPrimitiveBlockOUT->eError = PVRSRVAllocHandle(psConnection->psHandleBase,
&psAllocSyncPrimitiveBlockOUT->hSyncHandle,
(IMG_HANDLE) hSyncHandleInt2,
PVRSRV_HANDLE_TYPE_SYNC_PRIMITIVE_BLOCK,
PVRSRV_HANDLE_ALLOC_FLAG_NONE
);
if (psAllocSyncPrimitiveBlockOUT->eError != PVRSRV_OK)
{
goto AllocSyncPrimitiveBlock_exit;
}
psAllocSyncPrimitiveBlockOUT->eError = PVRSRVAllocSubHandle(psConnection->psHandleBase,
&psAllocSyncPrimitiveBlockOUT->hExportCookie,
(IMG_HANDLE) psExportCookieInt,
PVRSRV_HANDLE_TYPE_SERVER_EXPORTCOOKIE,
PVRSRV_HANDLE_ALLOC_FLAG_NONE
,psAllocSyncPrimitiveBlockOUT->hSyncHandle);
if (psAllocSyncPrimitiveBlockOUT->eError != PVRSRV_OK)
{
goto AllocSyncPrimitiveBlock_exit;
}
AllocSyncPrimitiveBlock_exit:
if (psAllocSyncPrimitiveBlockOUT->eError != PVRSRV_OK)
{
if (psAllocSyncPrimitiveBlockOUT->hSyncHandle)
{
PVRSRVReleaseHandle(psConnection->psHandleBase,
(IMG_HANDLE) psAllocSyncPrimitiveBlockOUT->hSyncHandle,
PVRSRV_HANDLE_TYPE_SYNC_PRIMITIVE_BLOCK);
}
/* If we have a valid resman item we should undo the bridge function by freeing the resman item */
if (hSyncHandleInt2)
{
PVRSRV_ERROR eError = ResManFreeResByPtr(hSyncHandleInt2);
/* Freeing a resource should never fail... */
PVR_ASSERT((eError == PVRSRV_OK) || (eError == PVRSRV_ERROR_RETRY));
}
else if (psSyncHandleInt)
{
PVRSRVFreeSyncPrimitiveBlockKM(psSyncHandleInt);
}
}
return 0;
}
