| /*************************************************************************/ /*! |
| @File vmm_pvz_client.c |
| @Title VM manager client para-virtualization |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @Description Header provides VMM client para-virtualization APIs |
| @License Dual MIT/GPLv2 |
| |
| The contents of this file are subject to the MIT license as set out below. |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), to deal |
| in the Software without restriction, including without limitation the rights |
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| copies of the Software, and to permit persons to whom the Software is |
| furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included in |
| all copies or substantial portions of the Software. |
| |
| Alternatively, the contents of this file may be used under the terms of |
| the GNU General Public License Version 2 ("GPL") in which case the provisions |
| of GPL are applicable instead of those above. |
| |
| If you wish to allow use of your version of this file only under the terms of |
| GPL, and not to allow others to use your version of this file under the terms |
| of the MIT license, indicate your decision by deleting the provisions above |
| and replace them with the notice and other provisions required by GPL as set |
| out in the file called "GPL-COPYING" included in this distribution. If you do |
| not delete the provisions above, a recipient may use your version of this file |
| under the terms of either the MIT license or GPL. |
| |
| This License is also included in this distribution in the file called |
| "MIT-COPYING". |
| |
| EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS |
| PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
| BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
| PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR |
| COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
| IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ /**************************************************************************/ |
| |
| #include "pvrsrv.h" |
| #include "img_types.h" |
| #include "img_defs.h" |
| #include "pvrsrv_error.h" |
| |
| #include "vmm_impl.h" |
| #include "vz_vmm_pvz.h" |
| #include "vz_physheap.h" |
| #include "vmm_pvz_client.h" |
| |
| |
| static inline void |
| PvzClientLockAcquire(void) |
| { |
| PVRSRV_DATA *psPVRSRVData = PVRSRVGetPVRSRVData(); |
| OSLockAcquire(psPVRSRVData->hPvzConnectionLock); |
| } |
| |
| static inline void |
| PvzClientLockRelease(void) |
| { |
| PVRSRV_DATA *psPVRSRVData = PVRSRVGetPVRSRVData(); |
| OSLockRelease(psPVRSRVData->hPvzConnectionLock); |
| } |
| |
| /* |
| * =========================================================== |
| * The following client para-virtualization (pvz) functions |
| * are exclusively called by guests to initiate a pvz call |
| * to the host via hypervisor (guest -> vm manager -> host) |
| * =========================================================== |
| */ |
| |
| PVRSRV_ERROR |
| PvzClientCreateDevConfig(PVRSRV_DEVICE_CONFIG *psDevConfig, |
| IMG_UINT32 ui32DevID) |
| { |
| IMG_UINT32 ui32IRQ; |
| PVRSRV_ERROR eError; |
| IMG_UINT32 ui32RegsSize; |
| IMG_UINT64 ui64RegsCpuPBase; |
| VMM_PVZ_CONNECTION *psVmmPvz; |
| IMG_UINT32 uiFuncID = PVZ_BRIDGE_CREATEDEVICECONFIG; |
| |
| psVmmPvz = SysVzPvzConnectionAcquire(); |
| PVR_ASSERT(psVmmPvz); |
| |
| PvzClientLockAcquire(); |
| |
| PVR_ASSERT(psVmmPvz->sHostFuncTab.pfnCreateDevConfig); |
| |
| eError = psVmmPvz->sHostFuncTab.pfnCreateDevConfig(uiFuncID, |
| ui32DevID, |
| &ui32IRQ, |
| &ui32RegsSize, |
| &ui64RegsCpuPBase); |
| if (eError != PVRSRV_OK) |
| { |
| goto e0; |
| } |
| |
| /* Device VM system configuration MMIO/IRQ values */ |
| if (ui64RegsCpuPBase) |
| { |
| psDevConfig->sRegsCpuPBase.uiAddr = ui64RegsCpuPBase; |
| } |
| |
| if (ui32RegsSize) |
| { |
| psDevConfig->ui32RegsSize = ui32RegsSize; |
| } |
| |
| if (ui32IRQ) |
| { |
| psDevConfig->ui32IRQ = ui32IRQ; |
| } |
| |
| PVR_ASSERT(psDevConfig->sRegsCpuPBase.uiAddr); |
| PVR_ASSERT(psDevConfig->ui32RegsSize); |
| PVR_ASSERT(psDevConfig->ui32IRQ); |
| |
| e0: |
| PvzClientLockRelease(); |
| SysVzPvzConnectionRelease(psVmmPvz); |
| |
| return eError; |
| } |
| |
| PVRSRV_ERROR |
| PvzClientDestroyDevConfig(PVRSRV_DEVICE_CONFIG *psDevConfig, |
| IMG_UINT32 ui32DevID) |
| { |
| PVRSRV_ERROR eError; |
| VMM_PVZ_CONNECTION *psVmmPvz; |
| IMG_UINT32 uiFuncID = PVZ_BRIDGE_DESTROYDEVICECONFIG; |
| |
| PVR_UNREFERENCED_PARAMETER(psDevConfig); |
| |
| psVmmPvz = SysVzPvzConnectionAcquire(); |
| PVR_ASSERT(psVmmPvz); |
| |
| PvzClientLockAcquire(); |
| |
| PVR_ASSERT(psVmmPvz->sHostFuncTab.pfnDestroyDevConfig); |
| |
| eError = psVmmPvz->sHostFuncTab.pfnDestroyDevConfig(uiFuncID, |
| ui32DevID); |
| if (eError != PVRSRV_OK) |
| { |
| goto e0; |
| } |
| |
| e0: |
| PvzClientLockRelease(); |
| SysVzPvzConnectionRelease(psVmmPvz); |
| |
| return eError; |
| } |
| |
| PVRSRV_ERROR |
| PvzClientCreateDevPhysHeaps(PVRSRV_DEVICE_CONFIG *psDevConfig, |
| IMG_UINT32 ui32DevID) |
| { |
| PVRSRV_ERROR eError; |
| IMG_UINT32 ui32HeapType; |
| PHYS_HEAP_TYPE eHeapType; |
| IMG_UINT64 ui64FwPhysHeapSize; |
| IMG_UINT64 ui64FwPhysHeapAddr; |
| IMG_UINT64 ui64GpuPhysHeapSize; |
| IMG_UINT64 ui64GpuPhysHeapAddr; |
| VMM_PVZ_CONNECTION *psVmmPvz; |
| PVRSRV_DEVICE_PHYS_HEAP ePhysHeap; |
| IMG_UINT32 uiFuncID = PVZ_BRIDGE_CREATEDEVICEPHYSHEAPS; |
| |
| psVmmPvz = SysVzPvzConnectionAcquire(); |
| PVR_ASSERT(psVmmPvz); |
| |
| PvzClientLockAcquire(); |
| |
| PVR_ASSERT(psVmmPvz->sHostFuncTab.pfnCreateDevPhysHeaps); |
| |
| eError = psVmmPvz->sHostFuncTab.pfnCreateDevPhysHeaps(uiFuncID, |
| ui32DevID, |
| &ui32HeapType, |
| &ui64FwPhysHeapSize, |
| &ui64FwPhysHeapAddr, |
| &ui64GpuPhysHeapSize, |
| &ui64GpuPhysHeapAddr); |
| if (eError != PVRSRV_OK) |
| { |
| goto e0; |
| } |
| |
| eHeapType = (PHYS_HEAP_TYPE) ui32HeapType; |
| for (ePhysHeap = 0; ePhysHeap < PVRSRV_DEVICE_PHYS_HEAP_LAST; ePhysHeap++) |
| { |
| IMG_UINT64 ui64PhysHeapSize; |
| IMG_DEV_PHYADDR sPhysHeapAddr; |
| |
| switch (ePhysHeap) |
| { |
| case PVRSRV_DEVICE_PHYS_HEAP_GPU_LOCAL: |
| sPhysHeapAddr.uiAddr = ui64GpuPhysHeapAddr; |
| ui64PhysHeapSize = ui64GpuPhysHeapSize; |
| break; |
| |
| case PVRSRV_DEVICE_PHYS_HEAP_FW_LOCAL: |
| sPhysHeapAddr.uiAddr = ui64FwPhysHeapAddr; |
| ui64PhysHeapSize = ui64FwPhysHeapSize; |
| break; |
| |
| default: |
| ui64PhysHeapSize = (IMG_UINT64)0; |
| break; |
| } |
| |
| if (ui64PhysHeapSize) |
| { |
| eError = SysVzSetPhysHeapAddrSize(psDevConfig, |
| ePhysHeap, |
| eHeapType, |
| sPhysHeapAddr, |
| ui64PhysHeapSize); |
| PVR_ASSERT(eError == PVRSRV_OK); |
| |
| eError = SysVzRegisterPhysHeap(psDevConfig, ePhysHeap); |
| PVR_ASSERT(eError == PVRSRV_OK); |
| } |
| } |
| |
| e0: |
| PvzClientLockRelease(); |
| SysVzPvzConnectionRelease(psVmmPvz); |
| |
| return eError; |
| } |
| |
| PVRSRV_ERROR |
| PvzClientDestroyDevPhysHeaps(PVRSRV_DEVICE_CONFIG *psDevConfig, |
| IMG_UINT32 ui32DevID) |
| { |
| PVRSRV_ERROR eError; |
| VMM_PVZ_CONNECTION *psVmmPvz; |
| IMG_UINT32 uiFuncID = PVZ_BRIDGE_DESTROYDEVICEPHYSHEAPS; |
| |
| PVR_UNREFERENCED_PARAMETER(psDevConfig); |
| |
| psVmmPvz = SysVzPvzConnectionAcquire(); |
| PVR_ASSERT(psVmmPvz); |
| |
| PvzClientLockAcquire(); |
| |
| PVR_ASSERT(psVmmPvz->sHostFuncTab.pfnDestroyDevPhysHeaps); |
| |
| eError = psVmmPvz->sHostFuncTab.pfnDestroyDevPhysHeaps(uiFuncID, |
| ui32DevID); |
| if (eError != PVRSRV_OK) |
| { |
| goto e0; |
| } |
| |
| e0: |
| PvzClientLockRelease(); |
| SysVzPvzConnectionRelease(psVmmPvz); |
| |
| return eError; |
| } |
| |
| PVRSRV_ERROR |
| PvzClientMapDevPhysHeap(PVRSRV_DEVICE_CONFIG *psDevConfig, |
| IMG_UINT32 ui32DevID, |
| IMG_DEV_PHYADDR sDevPAddr, |
| IMG_UINT64 ui64DevPSize) |
| { |
| PVRSRV_ERROR eError; |
| VMM_PVZ_CONNECTION *psVmmPvz; |
| IMG_UINT32 uiFuncID = PVZ_BRIDGE_MAPDEVICEPHYSHEAP; |
| |
| psVmmPvz = SysVzPvzConnectionAcquire(); |
| PVR_ASSERT(psVmmPvz); |
| |
| PvzClientLockAcquire(); |
| |
| PVR_ASSERT(psVmmPvz->sHostFuncTab.pfnMapDevPhysHeap); |
| |
| eError = psVmmPvz->sHostFuncTab.pfnMapDevPhysHeap(uiFuncID, |
| ui32DevID, |
| ui64DevPSize, |
| sDevPAddr.uiAddr); |
| if (eError != PVRSRV_OK) |
| { |
| goto e0; |
| } |
| |
| e0: |
| PvzClientLockRelease(); |
| SysVzPvzConnectionRelease(psVmmPvz); |
| |
| return eError; |
| } |
| |
| PVRSRV_ERROR |
| PvzClientUnmapDevPhysHeap(PVRSRV_DEVICE_CONFIG *psDevConfig, |
| IMG_UINT32 ui32DevID) |
| { |
| PVRSRV_ERROR eError; |
| VMM_PVZ_CONNECTION *psVmmPvz; |
| IMG_UINT32 uiFuncID = PVZ_BRIDGE_UNMAPDEVICEPHYSHEAP; |
| |
| psVmmPvz = SysVzPvzConnectionAcquire(); |
| PVR_ASSERT(psVmmPvz); |
| |
| PvzClientLockAcquire(); |
| |
| PVR_ASSERT(psVmmPvz->sHostFuncTab.pfnUnmapDevPhysHeap); |
| |
| eError = psVmmPvz->sHostFuncTab.pfnUnmapDevPhysHeap(uiFuncID, |
| ui32DevID); |
| if (eError != PVRSRV_OK) |
| { |
| goto e0; |
| } |
| |
| e0: |
| PvzClientLockRelease(); |
| SysVzPvzConnectionRelease(psVmmPvz); |
| |
| return eError; |
| } |
| |
| /****************************************************************************** |
| End of file (vmm_pvz_client.c) |
| ******************************************************************************/ |
