Struct MemoryEncryptionInfo

pub struct MemoryEncryptionInfo { /* private fields */ }

Available on crate feature dep_raw_cpuid only.

Encrypted Memory Capabilities (LEAF=0x8000_001F).

Platforms

✅ AMD ❌ Intel

Implementations

impl MemoryEncryptionInfo

pub fn has_sme(&self) -> bool

Secure Memory Encryption is supported if set.

pub fn has_sev(&self) -> bool

Secure Encrypted Virtualization is supported if set.

pub fn has_page_flush_msr(&self) -> bool

The Page Flush MSR is available if set.

pub fn has_sev_es(&self) -> bool

SEV Encrypted State is supported if set.

pub fn has_sev_snp(&self) -> bool

SEV Secure Nested Paging supported if set.

pub fn has_vmpl(&self) -> bool

VM Permission Levels supported if set.

pub fn has_hw_enforced_cache_coh(&self) -> bool

Hardware cache coherency across encryption domains enforced if set.

pub fn has_64bit_mode(&self) -> bool

SEV guest execution only allowed from a 64-bit host if set.

pub fn has_restricted_injection(&self) -> bool

Restricted Injection supported if set.

pub fn has_alternate_injection(&self) -> bool

Alternate Injection supported if set.

pub fn has_debug_swap(&self) -> bool

Full debug state swap supported for SEV-ES guests.

pub fn has_prevent_host_ibs(&self) -> bool

Disallowing IBS use by the host supported if set.

pub fn has_vte(&self) -> bool

Virtual Transparent Encryption supported if set.

pub fn c_bit_position(&self) -> u8

C-bit location in page table entry

pub fn physical_address_reduction(&self) -> u8

Physical Address bit reduction

pub fn max_encrypted_guests(&self) -> u32

Number of encrypted guests supported simultaneouslys

pub fn min_sev_no_es_asid(&self) -> u32

Minimum ASID value for an SEV enabled, SEV-ES disabled guest

Trait Implementations

impl Debug for MemoryEncryptionInfo

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl PartialEq for MemoryEncryptionInfo

fn eq(&self, other: &MemoryEncryptionInfo) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for MemoryEncryptionInfo

impl StructuralPartialEq for MemoryEncryptionInfo