-.\" $OpenBSD: vmm.4,v 1.8 2021/11/26 03:34:14 jsg Exp $
+.\" $OpenBSD: vmm.4,v 1.9 2022/09/11 11:41:04 jsg Exp $
.\"
.\"Copyright (c) 2015 Mike Larkin <mlarkin@openbsd.org>
.\"
.\"ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\"OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
-.Dd $Mdocdate: November 26 2021 $
+.Dd $Mdocdate: September 11 2022 $
.Dt VMM 4 amd64
.Os
.Sh NAME
Read registers of a VCPU.
.It Dv VMM_IOC_WRITEREGS Fa "struct vm_rwregs_params *"
Write register values of a VCPU.
-.It Dv VMM_IOC_READVMPARAMS Fa "struct vm_revmparams_params *"
+.It Dv VMM_IOC_READVMPARAMS Fa "struct vm_rwvmparams_params *"
Read paravirtualized hardware parameters (such as
.Xr pvclock 4
version) for a VM.