Module snp 

AMD SEV-SNP specific definitions.

Structs

GhcbHypercallParameters

Struct representing GHCB hypercall parameters. These are located at the GHCB page starting at GHCB_PAGE_HYPERCALL_PARAMETERS_OFFSET.

GhcbInfo

GhcbMsr

GhcbPage

GhcbPageHvHypercall

GHCB layout for the secure enlightened Hyper-V hypercalls.

GhcbProtocolVersion

GhcbSaveArea

GhcbUsage

GuestFieldSelect

Indicate which guest-selectable fields will be mixed into the key. See GUEST_FIELD_SELECT in Table 19, “SEV Secure Nested Paging Firmware ABI specification”, Revision 1.55.

HvPspCpuidLeaf

PSP data structures.

HvPspCpuidPage

MovCrxDrxInfo

SecureAvicControl

SEV secure AVIC control register

SevAvicIncompleteIpiInfo1

AVIC exit info1 for the incomplete IPI exit

SevAvicIncompleteIpiInfo2

AVIC exit info2 for the incomplete IPI exit

SevAvicIpiFailure

SevAvicIrrRegister

Structure representing the SEV-ES AVIC IRR register.

SevAvicNoAccelInfo

AVIC SEV exit info1 for the no acceleration exit

SevAvicPage

Structure representing the SEV-ES AVIC backing page. Specification: “AMD64 PPR Vol3 System Programming”, 15.29.3 AVIC Backing Page.

SevAvicRegisterNumber

SevEventInjectInfo

SevExitCode

SevFeatures

SevInvlpgbEcx

SevInvlpgbEdx

SevInvlpgbRax

SevIoAccessInfo

SevNpfInfo

SevRmpAdjust

SevSelector

A X64 selector register.

SevStatusMsr

SevVirtualInterruptControl

SevVmsa

SEV VMSA structure representing CPU state

SevXmmRegister

An X64 XMM register.

SnpDerivedKeyReq

Request structure for the SNP_GET_DERIVED_KEY request. See MSG_KEY_REQ in Table 18, “SEV Secure Nested Paging Firmware ABI specification”, Revision 1.55.

SnpDerivedKeyResp

Response structure for the SNP_GET_DERIVED_KEY request. See MSG_KEY_RSP in Table 20, “SEV Secure Nested Paging Firmware ABI specification”, Revision 1.55.

SnpIdBlockPublicKey

Public key used by an SNP ID block.

SnpIdBlockSignature

ECDSA signature components used by an SNP ID block.

SnpPageInfo

Structure describing the pages being read during SNP ID block measurement. Each structure is hashed with the previous structures digest to create a final measurement

SnpPageType

The type of page described by SnpPageInfo

SnpPspIdAuth

SNP PSP ID block authentication page.

SnpPspIdAuthPublicKey

ECDSA public key in an SNP PSP ID authentication page.

SnpPspIdAuthSignature

ECDSA signature in an SNP PSP ID authentication page.

SnpPspIdBlock

Structure containing the completed SNP measurement of the IGVM file. The signature of the hash of this struct is the id_key_signature for igvm_defs::IGVM_VHS_SNP_ID_BLOCK.

SnpReport

SNP attestation report layout. See ATTESTATION_REPORT in the SEV-SNP Firmware ABI specification (AMD 56860).

SnpReportReq

Request structure for the SNP_GET_REPORT request. See MSG_REPORT_REQ in Table 21, “SEV Secure Nested Paging Firmware ABI specification”, Revision 1.55.

SnpReportResp

Response structure for the SNP_GET_REPORT request. See MSG_REPORT_RSP in Table 24, “SEV Secure Nested Paging Firmware ABI specification”, Revision 1.55.

SnpTcbVersionLegacy

Eight-byte TCB_VERSION encoding for Milan/Genoa (family 19h, models 00h–1Fh), in little-endian byte order. See AMD 56860 revision 1.59, section 2.3, table 5.

SnpTcbVersionTurin

Eight-byte TCB_VERSION encoding for Turin (family 1Ah, models 90h–AFh and C0h–CFh), in little-endian byte order. See AMD 56860 revision 1.59, section 2.3, table 4.

Enums

Vmpl

Constants

GHCB_DATA_PAGE_STATE_LARGE_PAGE

GHCB_DATA_PAGE_STATE_MASK

GHCB_DATA_PAGE_STATE_PRIVATE

GHCB_DATA_PAGE_STATE_PSMASH

GHCB_DATA_PAGE_STATE_SHARED

GHCB_DATA_PAGE_STATE_UNSMASH

GHCB_HYP_FEATURE_GHCB_UNREGISTER

GHCB 2.04 feature bitmap bit for unregistering the current GHCB GPA.

GHCB_PAGE_HV_HYPERCALL_DATA_SIZE

GHCB_PAGE_HYPERCALL_OUTPUT_OFFSET

GHCB_PAGE_HYPERCALL_PARAMETERS_OFFSET

HV_PSP_CPUID_LEAF_COUNT_MAX

REG_TWEAK_BITMAP_OFFSET

REG_TWEAK_BITMAP_SIZE

SEV_INTR_TYPE_EXCEPT

SEV_INTR_TYPE_EXT

SEV_INTR_TYPE_NMI

SEV_INTR_TYPE_SW

SNP_CPUID_FAMILY_MILAN_GENOA

CPUID family containing Milan/Genoa, as reported by SnpReport::cpuid_fam_id. Select the TCB layout using the model as well: AMD 56860 revision 1.59, section 2.3, table 5 covers models 00h–1Fh.

SNP_CPUID_FAMILY_TURIN

CPUID family containing Turin, as reported by SnpReport::cpuid_fam_id. This family is not exclusive to Turin: AMD 56860 revision 1.59, section 2.3, table 4 selects the Turin TCB layout for models 90h–AFh and C0h–CFh.

SNP_CPUID_MODELS_MILAN_GENOA

Milan/Genoa model IDs within SNP_CPUID_FAMILY_MILAN_GENOA that use SnpTcbVersionLegacy. AMD 56860 revision 1.59, section 2.3, table 5.

SNP_CPUID_MODELS_TURIN_90_AF

First Turin model-ID range within SNP_CPUID_FAMILY_TURIN. AMD 56860 revision 1.59, section 2.3, table 4: models 90h–AFh.

SNP_CPUID_MODELS_TURIN_C0_CF

Second Turin model-ID range within SNP_CPUID_FAMILY_TURIN. AMD 56860 revision 1.59, section 2.3, table 4: models C0h–CFh.

SNP_DERIVED_KEY_SIZE

See DERIVED_KEY in Table 20, “SEV Secure Nested Paging Firmware ABI specification”, Revision 1.55.

SNP_GUEST_REQ_MSG_VERSION

Value for the msg_version member in SNP_GUEST_REQ_MSG_VERSION. Use 1 for now.

SNP_REPORT_DATA_SIZE

Size of report_data member in SnpReport.

SNP_REPORT_RESP_DATA_SIZE

SNP_REPORT_SIZE

Size of the SnpReport.