| /*************************************************************************/ /*! |
| @File vz_vmm_pvz.c |
| @Title VM manager para-virtualization APIs |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @Description VM manager para-virtualization management |
| @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 "pvrsrv_error.h" |
| #include "allocmem.h" |
| #include "pvrsrv.h" |
| #include "vz_vmm_pvz.h" |
| |
| PVRSRV_ERROR SysVzPvzConnectionInit(void) |
| { |
| PVRSRV_ERROR eError; |
| PVRSRV_DATA *psPVRSRVData = PVRSRVGetPVRSRVData(); |
| |
| /* Create para-virtualization connection lock */ |
| eError = OSLockCreate(&psPVRSRVData->hPvzConnectionLock, LOCK_TYPE_PASSIVE); |
| if (eError != PVRSRV_OK) |
| { |
| PVR_DPF((PVR_DBG_ERROR, |
| "%s: OSLockCreate failed (%s)", |
| __FUNCTION__, |
| PVRSRVGetErrorStringKM(eError))); |
| } |
| |
| /* Create VM manager para-virtualization connection */ |
| eError = VMMCreatePvzConnection((VMM_PVZ_CONNECTION **)&psPVRSRVData->hPvzConnection); |
| if (eError != PVRSRV_OK) |
| { |
| OSLockDestroy(psPVRSRVData->hPvzConnectionLock); |
| psPVRSRVData->hPvzConnectionLock = NULL; |
| |
| PVR_DPF((PVR_DBG_ERROR, |
| "%s: Unable to create PVZ connection (%s)", |
| __FUNCTION__, |
| PVRSRVGetErrorStringKM(eError))); |
| } |
| |
| return eError; |
| } |
| |
| void SysVzPvzConnectionDeInit(void) |
| { |
| PVRSRV_DATA *psPVRSRVData = PVRSRVGetPVRSRVData(); |
| |
| VMMDestroyPvzConnection(psPVRSRVData->hPvzConnection); |
| psPVRSRVData->hPvzConnection = NULL; |
| |
| OSLockDestroy(psPVRSRVData->hPvzConnectionLock); |
| psPVRSRVData->hPvzConnectionLock = NULL; |
| } |
| |
| VMM_PVZ_CONNECTION* SysVzPvzConnectionAcquire(void) |
| { |
| PVRSRV_DATA *psPVRSRVData = PVRSRVGetPVRSRVData(); |
| PVR_ASSERT(psPVRSRVData->hPvzConnection != NULL); |
| return psPVRSRVData->hPvzConnection; |
| } |
| |
| void SysVzPvzConnectionRelease(VMM_PVZ_CONNECTION *psParaVz) |
| { |
| PVRSRV_DATA *psPVRSRVData = PVRSRVGetPVRSRVData(); |
| /* Nothing to do, sanity check the pointer passed back */ |
| PVR_ASSERT(psParaVz == psPVRSRVData->hPvzConnection); |
| } |
| |
| /****************************************************************************** |
| End of file (vz_vmm_pvz.c) |
| ******************************************************************************/ |