blob: 64c9f78ccda7c3db94b7f1c42cbf4baff079c7b1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/** @file
This file contains related definitions to support MM Profile feature in standalone MM.
Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef MM_PROFILE_DATA_H_
#define MM_PROFILE_DATA_H_
///
/// This GUID is assigned to the Name field of EFI_HOB_MEMORY_ALLOCATION.AllocDescriptor.
/// It signifies that the corresponding EFI_HOB_MEMORY_ALLOCATION HOB points to the location of MM Profile data.
/// MM Profile is a feature designed to log accesses to non-MM regions by standalone MM.
/// It stores these access logs within the MM Profile data.
///
#define MM_PROFILE_DATA_HOB_GUID \
{ \
0x26ef081d, 0x19b0, 0x4c42, {0xa2, 0x57, 0xa7, 0xf5, 0x9f, 0x8b, 0xd0, 0x38} \
}
///
/// In standalone MM, the policy for accessing non-MM regions is simplified:
/// Non-MM regions and their access policies are specified by EFI_HOB_RESOURCE_DESCRIPTOR HOBs.
/// Accesses to regions marked with the MM_RESOURCE_ATTRIBUTE_LOGGING attribute
/// are permitted in standalone MM, and these accesses are logged in the MM Profile data.
/// This attribute is not utilized by the SMM Profile feature in traditional SMM.
///
#define MM_RESOURCE_ATTRIBUTE_LOGGING 0x10000000
extern EFI_GUID gMmProfileDataHobGuid;
#endif
|