ecf5e527ca
Add the driver for PowerVR Rogue graphics hardware. Signed-off-by: Han Gao <gaohan@iscas.ac.cn>
144 lines
5.7 KiB
C
144 lines
5.7 KiB
C
/*************************************************************************/ /*!
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@File
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@Title Server side connection management
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@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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@Description API for server side connection management
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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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#if !defined(CONNECTION_SERVER_H)
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#define CONNECTION_SERVER_H
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#include "img_types.h"
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#include "img_defs.h"
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#include "handle.h"
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#include "pvrsrv_cleanup.h"
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/* Variable used to hold in memory the timeout for the current time slice*/
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extern IMG_UINT64 gui64TimesliceLimit;
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/* Counter number of handle data freed during the current time slice */
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extern IMG_UINT32 gui32HandleDataFreeCounter;
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/* Set the maximum time the freeing of the resources can keep the lock */
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#define CONNECTION_DEFERRED_CLEANUP_TIMESLICE_NS (3000 * 1000) /* 3ms */
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typedef struct _CONNECTION_DATA_
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{
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PVRSRV_HANDLE_BASE *psHandleBase;
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PROCESS_HANDLE_BASE *psProcessHandleBase;
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struct _SYNC_CONNECTION_DATA_ *psSyncConnectionData;
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struct _PDUMP_CONNECTION_DATA_ *psPDumpConnectionData;
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/* Holds the client flags supplied at connection time */
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IMG_UINT32 ui32ClientFlags;
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/*
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* OS specific data can be stored via this handle.
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* See osconnection_server.h for a generic mechanism
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* for initialising this field.
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*/
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IMG_HANDLE hOsPrivateData;
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#define PVRSRV_CONNECTION_PROCESS_NAME_LEN (16)
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IMG_PID pid;
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IMG_PID vpid;
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IMG_UINT32 tid;
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IMG_CHAR pszProcName[PVRSRV_CONNECTION_PROCESS_NAME_LEN];
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IMG_HANDLE hProcessStats;
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IMG_HANDLE hClientTLStream;
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#if defined(SUPPORT_CUSTOM_OSID_EMISSION)
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/*
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* Connection-based values per application which can be modified by the
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* AppHint settings 'OSid, OSidReg, bOSidAxiProtReg' for each application.
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* These control where the connection's memory allocation is sourced from.
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* ui32OSid, ui32OSidReg range from 0..(GPUVIRT_VALIDATION_NUM_OS - 1).
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*/
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IMG_UINT32 ui32OSid;
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IMG_UINT32 ui32OSidReg;
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IMG_BOOL bOSidAxiProtReg;
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#endif /* defined(SUPPORT_CUSTOM_OSID_EMISSION) */
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#if defined(SUPPORT_DMA_TRANSFER)
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IMG_BOOL bAcceptDmaRequests;
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ATOMIC_T ui32NumDmaTransfersInFlight;
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IMG_HANDLE hDmaEventObject;
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#endif
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/* Structure which is hooked into the cleanup thread work list */
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PVRSRV_CLEANUP_THREAD_WORK sCleanupThreadFn;
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DLLIST_NODE sConnectionListNode;
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/* List navigation for deferred freeing of connection data */
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struct _CONNECTION_DATA_ **ppsThis;
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struct _CONNECTION_DATA_ *psNext;
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} CONNECTION_DATA;
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#include "osconnection_server.h"
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PVRSRV_ERROR PVRSRVCommonConnectionConnect(void **ppvPrivData, void *pvOSData);
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void PVRSRVCommonConnectionDisconnect(void *pvPrivData);
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/**************************************************************************/ /*!
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@Function PVRSRVGetPurgeConnectionPid
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@Description Returns PID associated with Connection currently being purged by
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Cleanup Thread. If no Connection is purged 0 is returned.
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@Return PID associated with currently purged connection or 0 if no
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connection is being purged
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*/ /***************************************************************************/
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IMG_PID PVRSRVGetPurgeConnectionPid(void);
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void PVRSRVConnectionDebugNotify(PVRSRV_DEVICE_NODE *psDevNode,
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DUMPDEBUG_PRINTF_FUNC *pfnDumpDebugPrintf,
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void *pvDumpDebugFile);
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#ifdef INLINE_IS_PRAGMA
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#pragma inline(PVRSRVConnectionPrivateData)
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#endif
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static INLINE
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IMG_HANDLE PVRSRVConnectionPrivateData(CONNECTION_DATA *psConnection)
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{
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return (psConnection != NULL) ? psConnection->hOsPrivateData : NULL;
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}
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#endif /* !defined(CONNECTION_SERVER_H) */
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