UefiCpuPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / UefiCpuPkg / Include / Register / Amd / Fam17Msr.h

/** @file\r
  MSR Definitions.\r
\r
  Provides defines for Machine Specific Registers(MSR) indexes. Data structures\r
  are provided for MSRs that contain one or more bit fields.  If the MSR value\r
  returned is a single 32-bit or 64-bit value, then a data structure is not\r
  provided for that MSR.\r
\r
  Copyright (c) 2017, Advanced Micro Devices. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
  @par Specification Reference:\r
  AMD64 Architecture Programming Manaul volume 2, March 2017, Sections 15.34\r
\r
**/\r
\r
#ifndef __FAM17_MSR_H__\r
#define __FAM17_MSR_H__\r
\r
/**\r
  Secure Encrypted Virtualization (SEV) status register\r
\r
**/\r
#define MSR_SEV_STATUS                     0xc0010131\r
\r
/**\r
  MSR information returned for #MSR_SEV_STATUS\r
**/\r
typedef union {\r
  ///\r
  /// Individual bit fields\r
  ///\r
  struct {\r
    ///\r
    /// [Bit 0] Secure Encrypted Virtualization (Sev) is enabled\r
    ///\r
    UINT32  SevBit:1;\r
\r
    ///\r
    /// [Bit 1] Secure Encrypted Virtualization Encrypted State (SevEs) is enabled\r
    ///\r
    UINT32  SevEsBit:1;\r
\r
    UINT32  Reserved:30;\r
  } Bits;\r
  ///\r
  /// All bit fields as a 32-bit value\r
  ///\r
  UINT32  Uint32;\r
  ///\r
  /// All bit fields as a 64-bit value\r
  ///\r
  UINT64  Uint64;\r
} MSR_SEV_STATUS_REGISTER;\r
\r
#endif\r