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hypervisor: Add support for setting KVM identity map

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Extending the Vm trait with set_identity_map_address() in order to
expose this ioctl to the VMM.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
(cherry picked from commit c452471c4e)
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Sebastien Boeuf
2021-12-04 14:15:41 +01:00
committed by Rob Bradford
parent 902adabbbd
commit 42e8e2b933
4 changed files with 27 additions and 0 deletions
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7
hypervisor/src/mshv/mod.rs
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@@ -764,6 +764,13 @@ fn hv_state_init() -> Arc<RwLock<HvState>> {
/// vm.set/get().unwrap()
///
impl vm::Vm for MshvVm {
#[cfg(target_arch = "x86_64")]
///
/// Sets the address of the one-page region in the VM's address space.
///
fn set_identity_map_address(&self, _address: u64) -> vm::Result<()> {
Ok(())
}
#[cfg(target_arch = "x86_64")]
///
/// Sets the address of the three-page region in the VM's address space.