amd-sev: secure_virt_attest to secure_virt_measure

In the legacy AMD SEV implementation, the sev_secure_virt_attest
function performed pre-boot attestation for a VM. This implementation
was removed, and SEV-SNP uses post-boot attestation. As such, the
SEV-SNP implementation only measures each region for guests, and does
not attest anything, making the function name a bit misleading.

Signed-off-by: Tyler Fanelli <[email protected]>

Author: tylerfanelli

src/vmm/src/builder.rs

@@ -845,7 +845,7 @@ pub fn build_microvm(
                     .map_err(VstateError::KvmCpuId)
                     .map_err(StartMicrovmError::SecureVirtAttest)?;
                 vmm.kvm_vm()
-                    .snp_secure_virt_attest(
+                    .snp_secure_virt_measure(
                         cpuid,
                         vmm.guest_memory(),
                         measured_regions,

src/vmm/src/linux/vstate.rs

@@ -549,7 +549,7 @@ impl Vm {
     }
 
     #[cfg(feature = "amd-sev")]
-    pub fn snp_secure_virt_attest(
+    pub fn snp_secure_virt_measure(
         &self,
         cpuid: CpuId,
         guest_mem: &GuestMemoryMmap,