1 /* 2 * Copyright(c) 2011-2016 Intel Corporation. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 */ 23 24 #ifndef _GVT_MPT_H_ 25 #define _GVT_MPT_H_ 26 27 /** 28 * DOC: Hypervisor Service APIs for GVT-g Core Logic 29 * 30 * This is the glue layer between specific hypervisor MPT modules and GVT-g core 31 * logic. Each kind of hypervisor MPT module provides a collection of function 32 * callbacks and will be attached to GVT host when the driver is loading. 33 * GVT-g core logic will call these APIs to request specific services from 34 * hypervisor. 35 */ 36 37 /** 38 * intel_gvt_hypervisor_detect_host - check if GVT-g is running within 39 * hypervisor host/privilged domain 40 * 41 * Returns: 42 * Zero on success, -ENODEV if current kernel is running inside a VM 43 */ 44 static inline int intel_gvt_hypervisor_detect_host(void) 45 { 46 return intel_gvt_host.mpt->detect_host(); 47 } 48 49 #endif /* _GVT_MPT_H_ */ 50