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tdx: Add abstraction to call TDX ioctls to hypervisor

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Add API to the hypervisor interface and implement for KVM to allow the
special TDX KVM ioctls on the VM and vCPU FDs.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2021-02-12 15:17:18 +00:00
parent c48e82915d
commit f282cc001a
5 changed files with 179 additions and 1 deletions
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11
hypervisor/src/cpu.rs
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@@ -205,6 +205,12 @@ pub enum HypervisorCpuError {
///
#[error("Failed to translate GVA: {0}")]
TranslateGVA(#[source] anyhow::Error),
///
/// Failed to initialize TDX on CPU
///
#[cfg(feature = "tdx")]
#[error("Failed to initialize TDX: {0}")]
InitializeTdx(#[source] std::io::Error),
}
#[derive(Debug)]
@@ -410,4 +416,9 @@ pub trait Vcpu: Send + Sync {
/// Translate guest virtual address to guest physical address
///
fn translate_gva(&self, gva: u64, flags: u64) -> Result<(u64, hv_translate_gva_result)>;
///
/// Initialize TDX support on the vCPU
///
#[cfg(feature = "tdx")]
fn tdx_init(&self, hob_address: u64) -> Result<()>;
}