| Zhi Wang | 0ad35fe | 2016-06-16 08:07:00 -0400 | [diff] [blame] | 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_ */ |