Struct SvmFeatures

pub struct SvmFeatures {
    eax: u32,
    ebx: u32,
    _ecx: u32,
    edx: SvmFeaturesEdx,
}

Information about the SVM features that the processory supports (LEAF=0x8000_000A).

Note

If SVM is not supported (ExtendedProcessorFeatureIdentifiers::has_svm is false), this leaf is reserved (crate::CpuId will return None in this case).

Platforms

✅ AMD ❌ Intel

Fields

eax: u32

ebx: u32

_ecx: u32

edx: SvmFeaturesEdx

Implementations

impl SvmFeatures

pub fn revision(&self) -> u8

SVM revision number.

pub fn supported_asids(&self) -> u32

Number of available address space identifiers (ASID).

pub fn has_nested_paging(&self) -> bool

Nested paging supported if set.

pub fn has_lbr_virtualization(&self) -> bool

Indicates support for LBR Virtualization.

pub fn has_svm_lock(&self) -> bool

Indicates support for SVM-Lock if set.

pub fn has_nrip(&self) -> bool

Indicates support for NRIP save on #VMEXIT if set.

pub fn has_tsc_rate_msr(&self) -> bool

Indicates support for MSR TSC ratio (MSR 0xC000_0104) if set.

pub fn has_vmcb_clean_bits(&self) -> bool

Indicates support for VMCB clean bits if set.

pub fn has_flush_by_asid(&self) -> bool

Indicates that TLB flush events, including CR3 writes and CR4.PGE toggles, flush only the current ASID’s TLB entries.

Also indicates support for the extended VMCB TLB_Control.

pub fn has_decode_assists(&self) -> bool

Indicates support for the decode assists if set.

pub fn has_pause_filter(&self) -> bool

Indicates support for the pause intercept filter if set.

pub fn has_pause_filter_threshold(&self) -> bool

Indicates support for the PAUSE filter cycle count threshold if set.

pub fn has_avic(&self) -> bool

Support for the AMD advanced virtual interrupt controller if set.

pub fn has_vmsave_virtualization(&self) -> bool

VMSAVE and VMLOAD virtualization supported if set.

pub fn has_gif(&self) -> bool

GIF – virtualized global interrupt flag if set.

pub fn has_gmet(&self) -> bool

Guest Mode Execution Trap supported if set.

pub fn has_sss_check(&self) -> bool

SVM supervisor shadow stack restrictions if set.

pub fn has_spec_ctrl(&self) -> bool

SPEC_CTRL virtualization supported if set.

pub fn has_host_mce_override(&self) -> bool

When host CR4.MCE=1 and guest CR4.MCE=0, machine check exceptions (#MC) in a guest do not cause shutdown and are always intercepted if set.

pub fn has_tlb_ctrl(&self) -> bool

Support for INVLPGB/TLBSYNC hypervisor enable in VMCB and TLBSYNC intercept if set.

Trait Implementations

impl Debug for SvmFeatures

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

Formats the value using the given formatter.

impl PartialEq for SvmFeatures

fn eq(&self, other: &SvmFeatures) -> 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 SvmFeatures

impl StructuralPartialEq for SvmFeatures