mirror of https://github.com/acidanthera/audk.git
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/** @file
|
|
MSR Definitions.
|
|
|
|
Provides defines for Machine Specific Registers(MSR) indexes. Data structures
|
|
are provided for MSRs that contain one or more bit fields. If the MSR value
|
|
returned is a single 32-bit or 64-bit value, then a data structure is not
|
|
provided for that MSR.
|
|
|
|
Copyright (c) 2017, Advanced Micro Devices. All rights reserved.<BR>
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
@par Specification Reference:
|
|
AMD64 Architecture Programming Manaul volume 2, March 2017, Sections 15.34
|
|
|
|
**/
|
|
|
|
#ifndef __FAM17_MSR_H__
|
|
#define __FAM17_MSR_H__
|
|
|
|
/**
|
|
Secure Encrypted Virtualization (SEV) status register
|
|
|
|
**/
|
|
#define MSR_SEV_STATUS 0xc0010131
|
|
|
|
/**
|
|
MSR information returned for #MSR_SEV_STATUS
|
|
**/
|
|
typedef union {
|
|
///
|
|
/// Individual bit fields
|
|
///
|
|
struct {
|
|
///
|
|
/// [Bit 0] Secure Encrypted Virtualization (Sev) is enabled
|
|
///
|
|
UINT32 SevBit:1;
|
|
|
|
///
|
|
/// [Bit 1] Secure Encrypted Virtualization Encrypted State (SevEs) is enabled
|
|
///
|
|
UINT32 SevEsBit:1;
|
|
|
|
UINT32 Reserved:30;
|
|
} Bits;
|
|
///
|
|
/// All bit fields as a 32-bit value
|
|
///
|
|
UINT32 Uint32;
|
|
///
|
|
/// All bit fields as a 64-bit value
|
|
///
|
|
UINT64 Uint64;
|
|
} MSR_SEV_STATUS_REGISTER;
|
|
|
|
#endif
|