Struct SnpHardwareContext

pub struct SnpHardwareContext {
    accept_lower_1mb: bool,
    page_number: Option<u64>,
    vmsa: SevVmsa,
}

A hardware SNP VP context, that is imported as a VMSA.

Fields

accept_lower_1mb: bool

If an assembly stub to accept the lower 1mb should be imported as page data.

page_number: Option<u64>

The page number to import this vp context at.

vmsa: SevVmsa

The VMSA for this VP.

Implementations

impl SnpHardwareContext

pub fn new( vtl: Vtl, enlightened_uefi: bool, shared_gpa_boundary: u64, injection_type: InjectionType, ) -> Self

Create a new SNP VP context builder.

enlightened_uefi specifies if UEFI is enlightened. This will result in VpContextBuilder::finalize generating additional trampoline code for UEFI running without a paravisor, along with setting different fields in the SEV_FEATURES register.

injection_type specifies the injection type for the highest enabled VMPL.

Only the highest VTL will have a VMSA generated, with lower VTLs being imported with the VBS format as page data.

Trait Implementations

impl Debug for SnpHardwareContext

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

Formats the value using the given formatter.

impl VpContextBuilder for SnpHardwareContext

type Register = X86Register

The register type which is different on different architectures.

fn import_vp_register(&mut self, register: X86Register)

Import a register to the BSP at the given vtl.

fn set_vp_context_memory(&mut self, page_base: u64)

Define the base of the GPA range to be used for architecture-specific VP context data.

fn finalize(&mut self, state: &mut Vec<VpContextState>)

Finalize all VP context data. Returns architecture specific data that should be either imported into guest memory space or added directly to the IGVM file.