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vmm: tdx: Insert payload into the HOB

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If a payload is found in the TDVF section, and after it's been copied to
the guest memory, make sure to create the corresponding TdPayload
structure and insert it through the HOB.

Signed-off-by: Jiaqi Gao <jiaqi.gao@intel.com>
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2021-12-15 15:10:30 +01:00
parent 2f0073544a
commit 832f09a075
1 changed files with 14 additions and 0 deletions
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14
vmm/src/vm.rs
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@ -1764,6 +1764,7 @@ impl Vm {
// is safe to copy from the TDVF file into it.
let guest_memory = self.memory_manager.lock().as_ref().unwrap().guest_memory();
let mem = guest_memory.memory();
let mut payload_info = None;
let mut hob_offset = None;
for section in sections {
info!("Populating TDVF Section: {:x?}", section);
@ -1823,6 +1824,13 @@ impl Vm {
payload_size as usize,
)
.unwrap();
// Create the payload info that will be inserted into
// the HOB.
payload_info = Some(PayloadInfo {
image_type: PayloadImageType::BzImage,
entry_point: section.address,
});
}
}
TdvfSectionType::PayloadParam => {
@ -1922,6 +1930,12 @@ impl Vm {
.map_err(Error::PopulateHob)?;
}
// If a payload info has been created, let's insert it into the HOB.
if let Some(payload_info) = payload_info {
hob.add_payload(&mem, payload_info)
.map_err(Error::PopulateHob)?;
}
hob.finish(&mem).map_err(Error::PopulateHob)?;
Ok(hob_offset)