VCPU_EXREG_EXIT_INFO_1
#define TDX_REGS_AVAIL_SET (BIT_ULL(VCPU_EXREG_EXIT_INFO_1) | \
kvm_register_mark_available(vcpu, VCPU_EXREG_EXIT_INFO_1);
if (!kvm_register_test_and_mark_available(vcpu, VCPU_EXREG_EXIT_INFO_1) &&
(1 << VCPU_EXREG_EXIT_INFO_1) | \