projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 77562d13 JY |
1 | /** @file\r |
| 2 | The definition for VTD information PPI.\r | |
| 3 | \r | |
| 4 | This is a lightweight VTd information report in PEI phase.\r | |
| 5 | \r | |
| 6 | Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r | |
| 8f7a05e1 | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 77562d13 JY |
8 | \r |
| 9 | **/\r | |
| 10 | \r | |
| 11 | #ifndef __VTD_INFO_PPI_H__\r | |
| 12 | #define __VTD_INFO_PPI_H__\r | |
| 13 | \r | |
| f02c5319 JY |
14 | #include <IndustryStandard/DmaRemappingReportingTable.h>\r |
| 15 | \r | |
| 77562d13 JY |
16 | #define EDKII_VTD_INFO_PPI_GUID \\r |
| 17 | { \\r | |
| 18 | 0x8a59fcb3, 0xf191, 0x400c, { 0x97, 0x67, 0x67, 0xaf, 0x2b, 0x25, 0x68, 0x4a } \\r | |
| 19 | }\r | |
| 20 | \r | |
| f02c5319 JY |
21 | //\r |
| 22 | // VTD info PPI just use same data structure as DMAR table.\r | |
| 23 | //\r | |
| 24 | // The reported information must include what is needed in PEI phase, e.g.\r | |
| 25 | // the VTd engine (such as DRHD)\r | |
| 26 | // the reserved DMA address in PEI for eary graphic (such as RMRR for graphic UMA)\r | |
| 27 | //\r | |
| 28 | // The reported information can be and might be a subset of full DMAR table, e.g.\r | |
| 29 | // if some data is not avaiable (such as ANDD),\r | |
| 30 | // if some data is not needed (such as RMRR for legacy USB).\r | |
| 31 | //\r | |
| 32 | typedef EFI_ACPI_DMAR_HEADER EDKII_VTD_INFO_PPI;\r | |
| 77562d13 JY |
33 | \r |
| 34 | extern EFI_GUID gEdkiiVTdInfoPpiGuid;\r | |
| 35 | \r | |
| 36 | #endif\r | |
| 37 | \r |