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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <stdint.h>
/* Keep CVM detection logic in this file at feature parity with
* that in src/efi/boot/vmm.c */
#define CPUID_PROCESSOR_INFO_AND_FEATURE_BITS UINT32_C(0x1)
/*
* AMD64 Architecture Programmer’s Manual Volume 3:
* General-Purpose and System Instructions.
* Chapter: E4.1 - Maximum Extended Function Number and Vendor String
* https://www.amd.com/system/files/TechDocs/24594.pdf
*/
#define CPUID_GET_HIGHEST_FUNCTION UINT32_C(0x80000000)
/*
* AMD64 Architecture Programmer’s Manual Volume 3:
* General-Purpose and System Instructions.
* Chapter: E4.17 - Encrypted Memory Capabilities
* https://www.amd.com/system/files/TechDocs/24594.pdf
*/
#define CPUID_AMD_GET_ENCRYPTED_MEMORY_CAPABILITIES UINT32_C(0x8000001f)
/*
* AMD64 Architecture Programmer’s Manual Volume 3:
* General-Purpose and System Instructions.
* Chapter: 15.34.10 - SEV_STATUS MSR
* https://www.amd.com/system/files/TechDocs/24593.pdf
*/
#define MSR_AMD64_SEV UINT32_C(0xc0010131)
/*
* Intel® TDX Module v1.5 Base Architecture Specification
* Chapter: 11.2
* https://www.intel.com/content/www/us/en/content-details/733575/intel-tdx-module-v1-5-base-architecture-specification.html
*/
#define CPUID_INTEL_TDX_ENUMERATION UINT32_C(0x21)
/* Requirements for Implementing the Microsoft Hypervisor Interface
* https://learn.microsoft.com/en-us/virtualization/hyper-v-on-windows/tlfs/tlfs
*/
#define CPUID_HYPERV_VENDOR_AND_MAX_FUNCTIONS UINT32_C(0x40000000)
#define CPUID_HYPERV_FEATURES UINT32_C(0x40000003)
#define CPUID_HYPERV_ISOLATION_CONFIG UINT32_C(0x4000000C)
#define CPUID_HYPERV_MIN UINT32_C(0x40000005)
#define CPUID_HYPERV_MAX UINT32_C(0x4000ffff)
#define CPUID_SIG_AMD "AuthenticAMD"
#define CPUID_SIG_INTEL "GenuineIntel"
#define CPUID_SIG_INTEL_TDX "IntelTDX "
#define CPUID_SIG_HYPERV "Microsoft Hv"
/* ecx bit 31: set => hyperpvisor, unset => bare metal */
#define CPUID_FEATURE_HYPERVISOR (UINT32_C(1) << 31)
/* Linux include/asm-generic/hyperv-tlfs.h */
#define CPUID_HYPERV_CPU_MANAGEMENT (UINT32_C(1) << 12) /* root partition */
#define CPUID_HYPERV_ISOLATION (UINT32_C(1) << 22) /* confidential VM partition */
#define CPUID_HYPERV_ISOLATION_TYPE_MASK UINT32_C(0xf)
#define CPUID_HYPERV_ISOLATION_TYPE_SNP 2
#define EAX_SEV (UINT32_C(1) << 1)
#define MSR_SEV (UINT64_C(1) << 0)
#define MSR_SEV_ES (UINT64_C(1) << 1)
#define MSR_SEV_SNP (UINT64_C(1) << 2)
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