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https://github.com/revyos/thead-kernel.git
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f72e7cd077
This version update involves a lot of content, so the previous version has been deleted and the new version has been re-merged into the kernel. The configuration file for the GPU driver originates from a previous version. Signed-off-by: Mingzheng Xing <xingmingzheng@iscas.ac.cn>
139 lines
4.9 KiB
C
139 lines
4.9 KiB
C
/*************************************************************************/ /*!
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@File vmm_pvz_client.c
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@Title VM manager client para-virtualization
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@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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@Description Header provides VMM client para-virtualization APIs
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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 "pvrsrv.h"
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#include "img_types.h"
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#include "img_defs.h"
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#include "pvrsrv_error.h"
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#include "vmm_impl.h"
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#include "vz_vmm_pvz.h"
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#include "vmm_pvz_client.h"
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static inline void
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PvzClientLockAcquire(void)
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{
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PVRSRV_DATA *psPVRSRVData = PVRSRVGetPVRSRVData();
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OSLockAcquire(psPVRSRVData->hPvzConnectionLock);
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}
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static inline void
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PvzClientLockRelease(void)
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{
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PVRSRV_DATA *psPVRSRVData = PVRSRVGetPVRSRVData();
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OSLockRelease(psPVRSRVData->hPvzConnectionLock);
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}
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/*
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* ===========================================================
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* The following client para-virtualization (pvz) functions
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* are exclusively called by guests to initiate a pvz call
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* to the host via hypervisor (guest -> vm manager -> host)
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* ===========================================================
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*/
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PVRSRV_ERROR
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PvzClientMapDevPhysHeap(PVRSRV_DEVICE_CONFIG *psDevConfig)
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{
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PVRSRV_ERROR eError;
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IMG_DEV_PHYADDR sDevPAddr;
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VMM_PVZ_CONNECTION *psVmmPvz;
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IMG_UINT32 uiFuncID = PVZ_BRIDGE_MAPDEVICEPHYSHEAP;
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PHYS_HEAP *psFwPhysHeap = psDevConfig->psDevNode->apsPhysHeap[PVRSRV_PHYS_HEAP_FW_MAIN];
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eError = PhysHeapGetDevPAddr(psFwPhysHeap, &sDevPAddr);
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#if defined(PVR_PMR_TRANSLATE_UMA_ADDRESSES)
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{
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/* Host expects PA rather than IPA address, so on the platforms where
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* IPA-PA translation is not done in hw, performs a software translation */
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IMG_DEV_PHYADDR sDevPAddrTranslated;
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PhysHeapCpuPAddrToDevPAddr(psFwPhysHeap, 1, &sDevPAddrTranslated, (IMG_CPU_PHYADDR *)&sDevPAddr);
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sDevPAddr.uiAddr = sDevPAddrTranslated.uiAddr;
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}
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#endif
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PVR_LOG_RETURN_IF_ERROR(eError, "PhysHeapGetDevPAddr");
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PVR_LOG_RETURN_IF_FALSE((sDevPAddr.uiAddr != 0), "PhysHeapGetDevPAddr", PVRSRV_ERROR_INVALID_PARAMS);
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psVmmPvz = PvzConnectionAcquire();
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PvzClientLockAcquire();
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eError = psVmmPvz->sClientFuncTab.pfnMapDevPhysHeap(uiFuncID,
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0,
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RGX_FIRMWARE_RAW_HEAP_SIZE,
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sDevPAddr.uiAddr);
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PvzClientLockRelease();
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PvzConnectionRelease(psVmmPvz);
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return eError;
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}
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PVRSRV_ERROR
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PvzClientUnmapDevPhysHeap(PVRSRV_DEVICE_CONFIG *psDevConfig)
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{
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PVRSRV_ERROR eError;
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IMG_UINT32 uiFuncID = PVZ_BRIDGE_UNMAPDEVICEPHYSHEAP;
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VMM_PVZ_CONNECTION *psVmmPvz = PvzConnectionAcquire();
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PVR_ASSERT(psVmmPvz);
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PvzClientLockAcquire();
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PVR_ASSERT(psVmmPvz->sClientFuncTab.pfnUnmapDevPhysHeap);
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eError = psVmmPvz->sClientFuncTab.pfnUnmapDevPhysHeap(uiFuncID, 0);
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PvzClientLockRelease();
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PvzConnectionRelease(psVmmPvz);
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return eError;
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}
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/******************************************************************************
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End of file (vmm_pvz_client.c)
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******************************************************************************/
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