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i386/tdx: Implement tdx_kvm_type() for TDX

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TDX VM requires VM type to be KVM_X86_TDX_VM. Implement tdx_kvm_type()
as X86ConfidentialGuestClass->kvm_type.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250508150002.689633-4-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Xiaoyao Li 2025-05-08 10:59:09 -04:00 • committed by Paolo Bonzini
parent 756e12e791
commit b455880e55
2 changed files with 13 additions and 0 deletions
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1
target/i386/kvm/kvm.c
View file

@ -192,6 +192,7 @@ static const char *vm_type_name[] = {
[KVM_X86_SEV_VM] = "SEV",
[KVM_X86_SEV_ES_VM] = "SEV-ES",
[KVM_X86_SNP_VM] = "SEV-SNP",
[KVM_X86_TDX_VM] = "TDX",
};
bool kvm_is_vm_type_supported(int type)

12
target/i386/kvm/tdx.c
View file

@ -12,8 +12,17 @@
#include "qemu/osdep.h"
#include "qom/object_interfaces.h"
#include "kvm_i386.h"
#include "tdx.h"
static int tdx_kvm_type(X86ConfidentialGuest *cg)
{
/* Do the object check */
TDX_GUEST(cg);
return KVM_X86_TDX_VM;
}
/* tdx guest */
OBJECT_DEFINE_TYPE_WITH_INTERFACES(TdxGuest,
tdx_guest,
@ -40,4 +49,7 @@ static void tdx_guest_finalize(Object *obj)
static void tdx_guest_class_init(ObjectClass *oc, const void *data)
{
X86ConfidentialGuestClass *x86_klass = X86_CONFIDENTIAL_GUEST_CLASS(oc);
x86_klass->kvm_type = tdx_kvm_type;
}