diff --git a/hypervisor/src/mshv/mod.rs b/hypervisor/src/mshv/mod.rs
index 9a7439989..e41f8fa76 100644
--- a/hypervisor/src/mshv/mod.rs
+++ b/hypervisor/src/mshv/mod.rs
@@ -948,6 +948,34 @@ impl cpu::Vcpu for MshvVcpu {
                                         .gpa_write(&mut arg)
                                         .map_err(|e| cpu::HypervisorCpuError::GpaWrite(e.into()))?;
                                 }
+                                SVM_EXITCODE_MMIO_WRITE => {
+                                    let dst_gpa =
+                                        info.__bindgen_anon_2.__bindgen_anon_1.sw_exit_info1;
+                                    let src_gpa = info.__bindgen_anon_2.__bindgen_anon_1.sw_scratch;
+                                    let data_len =
+                                        info.__bindgen_anon_2.__bindgen_anon_1.sw_exit_info2
+                                            as usize;
+                                    // Sanity check to make sure data len is within supported range.
+                                    assert!(data_len <= 0x8);
+                                    let mut arg: mshv_read_write_gpa =
+                                        mshv_bindings::mshv_read_write_gpa {
+                                            base_gpa: src_gpa,
+                                            byte_count: data_len as u32,
+                                            ..Default::default()
+                                        };
+
+                                    self.fd
+                                        .gpa_read(&mut arg)
+                                        .map_err(|e| cpu::HypervisorCpuError::GpaRead(e.into()))?;
+
+                                    if let Some(vm_ops) = &self.vm_ops {
+                                        vm_ops
+                                            .mmio_write(dst_gpa, &arg.data[0..data_len])
+                                            .map_err(|e| {
+                                                cpu::HypervisorCpuError::RunVcpu(e.into())
+                                            })?;
+                                    }
+                                }
                                 _ => panic!(
                                     "GHCB_INFO_NORMAL: Unhandled exit code: {:0x}",
                                     exit_code