projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| f496443e AP |
1 | /** @file\r |
| 2 | Get information about Xen\r | |
| 3 | \r | |
| 4 | This library simply allow to find out if OVMF is running under Xen and\r | |
| 5 | allow to get more information when it is the case.\r | |
| 6 | \r | |
| 7 | Copyright (c) 2019, Citrix Systems, Inc.\r | |
| 8 | \r | |
| 9 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 10 | \r | |
| 11 | **/\r | |
| 12 | \r | |
| 13 | #ifndef _XEN_PLATFORM_LIB_H_\r | |
| 14 | #define _XEN_PLATFORM_LIB_H_\r | |
| 15 | \r | |
| 16 | #include <Guid/XenInfo.h>\r | |
| 17 | \r | |
| 18 | /**\r | |
| 19 | This function detects if OVMF is running on Xen.\r | |
| 20 | \r | |
| 21 | @retval TRUE OVMF is running on Xen\r | |
| 22 | @retval FALSE Xen has not been detected\r | |
| 23 | **/\r | |
| 24 | BOOLEAN\r | |
| 25 | EFIAPI\r | |
| 26 | XenDetected (\r | |
| 27 | VOID\r | |
| 28 | );\r | |
| 29 | \r | |
| 30 | /**\r | |
| 31 | This function detect if OVMF have started via the PVH entry point.\r | |
| 32 | \r | |
| 33 | @retval TRUE PVH entry point as been used\r | |
| 34 | @retval FALSE OVMF have started via the HVM route\r | |
| 35 | **/\r | |
| 36 | BOOLEAN\r | |
| 37 | EFIAPI\r | |
| 38 | XenPvhDetected (\r | |
| 39 | VOID\r | |
| 40 | );\r | |
| 41 | \r | |
| 42 | /**\r | |
| 43 | This function return a pointer to the XenInfo HOB.\r | |
| 44 | \r | |
| 45 | @return XenInfo pointer or NULL if not available\r | |
| 46 | **/\r | |
| 47 | EFI_XEN_INFO *\r | |
| 48 | EFIAPI\r | |
| 49 | XenGetInfoHOB (\r | |
| 50 | VOID\r | |
| 51 | );\r | |
| 52 | \r | |
| 53 | #endif\r |