4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/** @file
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Definition of GUIDed HOB for reserving SMRAM regions.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync This file defines:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * the GUID used to identify the GUID HOB for reserving SMRAM regions.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * the data structure of SMRAM descriptor to describe SMRAM candidate regions
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * values of state of SMRAM candidate regions
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * the GUID specific data structure of HOB for reserving SMRAM regions.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync This GUIDed HOB can be used to convey the existence of the T-SEG reservation and H-SEG usage
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncCopyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncThis program and the accompanying materials are licensed and made available under
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncthe terms and conditions of the BSD License that accompanies this distribution.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncThe full text of the license may be found at
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynchttp://opensource.org/licenses/bsd-license.php.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncTHE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncWITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @par Revision Reference:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync GUIDs defined in SmmCis spec version 0.9.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#ifndef _EFI_SMM_PEI_SMRAM_MEMORY_RESERVE_H_
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define _EFI_SMM_PEI_SMRAM_MEMORY_RESERVE_H_
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define EFI_SMM_PEI_SMRAM_MEMORY_RESERVE \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync { \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0x6dadf1d1, 0xd4cc, 0x4910, {0xbb, 0x6e, 0x82, 0xb1, 0xfd, 0x80, 0xff, 0x3d } \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync* GUID specific data structure of HOB for reserving SMRAM regions.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync* Inconsistent with specification here:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync* EFI_HOB_SMRAM_DESCRIPTOR_BLOCK has been changed to EFI_SMRAM_HOB_DESCRIPTOR_BLOCK.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync* This inconsistency is kept in code in order for backward compatibility.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynctypedef struct {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ///
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /// Designates the number of possible regions in the system
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /// that can be usable for SMRAM.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ///
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /// Inconsistent with specification here:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /// In Framework SMM CIS 0.91 specification, it defines the field type as UINTN.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /// However, HOBs are supposed to be CPU neutral, so UINT32 should be used instead.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ///
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT32 NumberOfSmmReservedRegions;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ///
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /// Used throughout this protocol to describe the candidate
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /// regions for SMRAM that are supported by this platform.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ///
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_SMRAM_DESCRIPTOR Descriptor[1];
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync} EFI_SMRAM_HOB_DESCRIPTOR_BLOCK;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncextern EFI_GUID gEfiSmmPeiSmramMemoryReserveGuid;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync