diff mbox series

[v4,48/66] i386/tdx: Finalize TDX VM

Message ID 20240125032328.2522472-49-xiaoyao.li@intel.com (mailing list archive)
State New, archived
Headers show
Series QEMU Guest memfd + QEMU TDX support | expand

Commit Message

Xiaoyao Li Jan. 25, 2024, 3:23 a.m. UTC 
Invoke KVM_TDX_FINALIZE_VM to finalize the TD's measurement and make
the TD vCPUs runnable once machine initialization is complete.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
---
 target/i386/kvm/tdx.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c
index 341b4e76bf7d..69a697608219 100644
--- a/target/i386/kvm/tdx.c
+++ b/target/i386/kvm/tdx.c
@@ -674,6 +674,13 @@  static void tdx_finalize_vm(Notifier *notifier, void *unused)
     /* Tdvf image was copied into private region above. It becomes unnecessary. */
     ram_block = tdx_guest->tdvf_region->ram_block;
     ram_block_discard_range(ram_block, 0, ram_block->max_length);
+
+    r = tdx_vm_ioctl(KVM_TDX_FINALIZE_VM, 0, NULL);
+    if (r < 0) {
+        error_report("KVM_TDX_FINALIZE_VM failed %s", strerror(-r));
+        exit(0);
+    }
+    tdx_guest->parent_obj.ready = true;
 }
 
 static Notifier tdx_machine_done_notify = {