/** @file The definition for VTD information PPI. This is a lightweight VTd information report in PEI phase. Copyright (c) 2017, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ #ifndef __VTD_INFO_PPI_H__ #define __VTD_INFO_PPI_H__ #include #define EDKII_VTD_INFO_PPI_GUID \ { \ 0x8a59fcb3, 0xf191, 0x400c, { 0x97, 0x67, 0x67, 0xaf, 0x2b, 0x25, 0x68, 0x4a } \ } // // VTD info PPI just use same data structure as DMAR table. // // The reported information must include what is needed in PEI phase, e.g. // the VTd engine (such as DRHD) // the reserved DMA address in PEI for eary graphic (such as RMRR for graphic UMA) // // The reported information can be and might be a subset of full DMAR table, e.g. // if some data is not avaiable (such as ANDD), // if some data is not needed (such as RMRR for legacy USB). // typedef EFI_ACPI_DMAR_HEADER EDKII_VTD_INFO_PPI; extern EFI_GUID gEdkiiVTdInfoPpiGuid; #endif