diff mbox series

[RFC,v4,26/36] i386/tdx: Finalize TDX VM

Message ID 20220512031803.3315890-27-xiaoyao.li@intel.com (mailing list archive)
State New, archived
Headers show
Series TDX QEMU support | expand

Commit Message

Xiaoyao Li May 12, 2022, 3:17 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>
---
 target/i386/kvm/tdx.c | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Gerd Hoffmann May 24, 2022, 7:59 a.m. UTC | #1 
On Thu, May 12, 2022 at 11:17:53AM +0800, Xiaoyao Li wrote:
> 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>
diff mbox series

Patch

diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c
index d8b05b7749f7..4a7c149f895c 100644
--- a/target/i386/kvm/tdx.c
+++ b/target/i386/kvm/tdx.c
@@ -307,6 +307,13 @@  static void tdx_finalize_vm(Notifier *notifier, void *unused)
             entry->mem_ptr = NULL;
         }
     }
+
+    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 = {