/*************************************************************************/ /*!
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@File
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@Title Linux specific per process data functions
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@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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@License Dual MIT/GPLv2
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The contents of this file are subject to the MIT license as set out below.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 2 ("GPL") in which case the provisions
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of GPL are applicable instead of those above.
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If you wish to allow use of your version of this file only under the terms of
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GPL, and not to allow others to use your version of this file under the terms
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of the MIT license, indicate your decision by deleting the provisions above
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and replace them with the notice and other provisions required by GPL as set
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out in the file called "GPL-COPYING" included in this distribution. If you do
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not delete the provisions above, a recipient may use your version of this file
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under the terms of either the MIT license or GPL.
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This License is also included in this distribution in the file called
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"MIT-COPYING".
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EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
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PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/ /**************************************************************************/
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#include "osfunc.h"
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#include "connection_server.h"
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#include "osconnection_server.h"
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#include "env_connection.h"
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#include "allocmem.h"
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#include "pvr_debug.h"
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#include <linux/sched.h>
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#if defined (SUPPORT_ION)
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#include <linux/err.h>
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#include PVR_ANDROID_ION_HEADER
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/*
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The ion device (the base object for all requests)
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gets created by the system and we acquire it via
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linux specific functions provided by the system layer
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*/
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#include "ion_sys.h"
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#endif
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#define SUPPORT_ROCKCHIP_ION (1)
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PVRSRV_ERROR OSConnectionPrivateDataInit(IMG_HANDLE *phOsPrivateData, void *pvOSData)
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{
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ENV_CONNECTION_PRIVATE_DATA *psPrivData = pvOSData;
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ENV_CONNECTION_DATA *psEnvConnection;
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#if defined(SUPPORT_ION)
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ENV_ION_CONNECTION_DATA *psIonConnection;
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#endif
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*phOsPrivateData = OSAllocZMem(sizeof(ENV_CONNECTION_DATA));
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if (*phOsPrivateData == NULL)
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{
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PVR_DPF((PVR_DBG_ERROR, "%s: OSAllocMem failed", __FUNCTION__));
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return PVRSRV_ERROR_OUT_OF_MEMORY;
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}
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psEnvConnection = (ENV_CONNECTION_DATA *)*phOsPrivateData;
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psEnvConnection->owner = current->tgid;
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/* Save the pointer to our struct file */
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psEnvConnection->psFile = psPrivData->psFile;
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psEnvConnection->psDevNode = psPrivData->psDevNode;
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#if defined(SUPPORT_ION)
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psIonConnection = (ENV_ION_CONNECTION_DATA *)OSAllocZMem(sizeof(ENV_ION_CONNECTION_DATA));
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if (psIonConnection == NULL)
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{
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PVR_DPF((PVR_DBG_ERROR, "%s: OSAllocMem failed", __FUNCTION__));
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return PVRSRV_ERROR_OUT_OF_MEMORY;
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}
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psEnvConnection->psIonData = psIonConnection;
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/*
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We can have more then one connection per process so we need more then
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the PID to have a unique name
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*/
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psEnvConnection->psIonData->psIonDev = IonDevAcquire();
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OSSNPrintf(psEnvConnection->psIonData->azIonClientName, ION_CLIENT_NAME_SIZE, "pvr_ion_client-%p-%d", *phOsPrivateData, OSGetCurrentClientProcessIDKM());
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psEnvConnection->psIonData->ui32IonClientRefCount = 1;
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#endif /* SUPPORT_ION */
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return PVRSRV_OK;
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}
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PVRSRV_ERROR OSConnectionPrivateDataDeInit(IMG_HANDLE hOsPrivateData)
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{
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ENV_CONNECTION_DATA *psEnvConnection;
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if (hOsPrivateData == NULL)
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{
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return PVRSRV_OK;
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}
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psEnvConnection = hOsPrivateData;
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OSFreeMem(hOsPrivateData);
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/*not nulling pointer, copy on stack*/
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return PVRSRV_OK;
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}
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PVRSRV_DEVICE_NODE *OSGetDevData(CONNECTION_DATA *psConnection)
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{
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ENV_CONNECTION_DATA *psEnvConnection;
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psEnvConnection = PVRSRVConnectionPrivateData(psConnection);
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PVR_ASSERT(psEnvConnection);
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return psEnvConnection->psDevNode;
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}
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