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authorXiaoyao Li <xiaoyao.li@intel.com>2025-05-08 10:59:32 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2025-05-28 19:35:54 +0200
commitae60ff4e9f9e5790f79abf866ec67270c28ca477 (patch)
treec37153be8bbd452da59288467a8b9773ab5d4b61
parent41f7fd22073561a23229c0479d9d708dee9d3a1e (diff)
downloadfocaccia-qemu-ae60ff4e9f9e5790f79abf866ec67270c28ca477.tar.gz
focaccia-qemu-ae60ff4e9f9e5790f79abf866ec67270c28ca477.zip
i386/tdx: Finalize TDX VM
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>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250508150002.689633-27-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--target/i386/kvm/tdx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c
index 99d13bd844..287bf7147e 100644
--- a/target/i386/kvm/tdx.c
+++ b/target/i386/kvm/tdx.c
@@ -353,6 +353,9 @@ static void tdx_finalize_vm(Notifier *notifier, void *unused)
      */
     ram_block = tdx_guest->tdvf_mr->ram_block;
     ram_block_discard_range(ram_block, 0, ram_block->max_length);
+
+    tdx_vm_ioctl(KVM_TDX_FINALIZE_VM, 0, NULL, &error_fatal);
+    CONFIDENTIAL_GUEST_SUPPORT(tdx_guest)->ready = true;
 }
 
 static Notifier tdx_machine_done_notify = {