kvm/vmx/nested.c

6648 	struct kvm_nested_state kvm_state = {
6651 		.size = sizeof(kvm_state),
6661 		return kvm_state.size + sizeof(*user_vmx_nested_state);
6668 		kvm_state.hdr.vmx.vmxon_pa = vmx->nested.vmxon_ptr;
6669 		kvm_state.hdr.vmx.vmcs12_pa = vmx->nested.current_vmptr;
6672 			kvm_state.size += sizeof(user_vmx_nested_state->vmcs12);
6676 				kvm_state.flags |= KVM_STATE_NESTED_EVMCS;
6681 				kvm_state.size += sizeof(user_vmx_nested_state->shadow_vmcs12);
6685 			kvm_state.hdr.vmx.smm.flags |= KVM_STATE_NESTED_SMM_VMXON;
6688 			kvm_state.hdr.vmx.smm.flags |= KVM_STATE_NESTED_SMM_GUEST_MODE;
6691 			kvm_state.flags |= KVM_STATE_NESTED_GUEST_MODE;
6694 				kvm_state.flags |= KVM_STATE_NESTED_RUN_PENDING;
6697 				kvm_state.flags |= KVM_STATE_NESTED_MTF_PENDING;
6701 				kvm_state.hdr.vmx.flags |=
6703 				kvm_state.hdr.vmx.preemption_timer_deadline =
6709 	if (user_data_size < kvm_state.size)
6712 	if (copy_to_user(user_kvm_nested_state, &kvm_state, sizeof(kvm_state)))
6762 	return kvm_state.size;
6776 				struct kvm_nested_state *kvm_state)
6785 	if (kvm_state->format != KVM_STATE_NESTED_FORMAT_VMX)
6788 	if (kvm_state->hdr.vmx.vmxon_pa == INVALID_GPA) {
6789 		if (kvm_state->hdr.vmx.smm.flags)
6792 		if (kvm_state->hdr.vmx.vmcs12_pa != INVALID_GPA)
6804 		if (kvm_state->flags & ~KVM_STATE_NESTED_EVMCS)
6810 		if (!page_address_valid(vcpu, kvm_state->hdr.vmx.vmxon_pa))
6814 	if ((kvm_state->hdr.vmx.smm.flags & KVM_STATE_NESTED_SMM_GUEST_MODE) &&
6815 	    (kvm_state->flags & KVM_STATE_NESTED_GUEST_MODE))
6818 	if (kvm_state->hdr.vmx.smm.flags &
6822 	if (kvm_state->hdr.vmx.flags & ~KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE)
6831 		(kvm_state->flags &
6833 		: kvm_state->hdr.vmx.smm.flags)
6836 	if ((kvm_state->hdr.vmx.smm.flags & KVM_STATE_NESTED_SMM_GUEST_MODE) &&
6837 	    !(kvm_state->hdr.vmx.smm.flags & KVM_STATE_NESTED_SMM_VMXON))
6840 	if ((kvm_state->flags & KVM_STATE_NESTED_EVMCS) &&
6847 	if (kvm_state->hdr.vmx.vmxon_pa == INVALID_GPA)
6850 	vmx->nested.vmxon_ptr = kvm_state->hdr.vmx.vmxon_pa;
6856 	if (kvm_state->size < sizeof(*kvm_state) + sizeof(*vmcs12)) {
6858 		if ((kvm_state->flags & KVM_STATE_NESTED_GUEST_MODE) ||
6859 		    (kvm_state->flags & KVM_STATE_NESTED_EVMCS) ||
6860 		    (kvm_state->hdr.vmx.vmcs12_pa != INVALID_GPA))
6866 	if (kvm_state->hdr.vmx.vmcs12_pa != INVALID_GPA) {
6867 		if (kvm_state->hdr.vmx.vmcs12_pa == kvm_state->hdr.vmx.vmxon_pa ||
6868 		    !page_address_valid(vcpu, kvm_state->hdr.vmx.vmcs12_pa))
6871 		set_current_vmptr(vmx, kvm_state->hdr.vmx.vmcs12_pa);
6873 	} else if (kvm_state->flags & KVM_STATE_NESTED_EVMCS) {
6887 	if (kvm_state->hdr.vmx.smm.flags & KVM_STATE_NESTED_SMM_VMXON) {
6891 		if (kvm_state->hdr.vmx.smm.flags & KVM_STATE_NESTED_SMM_GUEST_MODE)
6902 	if (!(kvm_state->flags & KVM_STATE_NESTED_GUEST_MODE))
6906 		!!(kvm_state->flags & KVM_STATE_NESTED_RUN_PENDING);
6909 		!!(kvm_state->flags & KVM_STATE_NESTED_MTF_PENDING);
6916 		if (kvm_state->size <
6917 		    sizeof(*kvm_state) +
6934 	if (kvm_state->hdr.vmx.flags & KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE) {
6937 			kvm_state->hdr.vmx.preemption_timer_deadline;