vmm: Extend NUMA setup to more than ACPI

The AArch64 platform provides a NUMA binding for the device tree,
which means on AArch64 platform, the NUMA setup can be extended to
more than the ACPI feature.

Based on above, this commit extends the NUMA setup and data
structures to following scenarios:

- All AArch64 platform
- x86_64 platform with ACPI feature enabled

Signed-off-by: Henry Wang <Henry.Wang@arm.com>
Signed-off-by: Michael Zhao <Michael.Zhao@arm.com>

vmm/src/vm.rs

@@ -11,7 +11,7 @@
 // SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 //
 
-#[cfg(feature = "acpi")]
+#[cfg(any(target_arch = "aarch64", feature = "acpi"))]
 use crate::config::NumaConfig;
 use crate::config::{
     DeviceConfig, DiskConfig, FsConfig, HotplugMethod, NetConfig, PmemConfig, ValidationError,
@@ -51,7 +51,9 @@ use signal_hook::{
     iterator::Signals,
 };
 use std::cmp;
-use std::collections::{BTreeMap, HashMap};
+#[cfg(any(target_arch = "aarch64", feature = "acpi"))]
+use std::collections::BTreeMap;
+use std::collections::HashMap;
 use std::convert::TryInto;
 use std::ffi::CString;
 #[cfg(target_arch = "x86_64")]
@@ -519,7 +521,7 @@ pub struct Vm {
     vm: Arc<dyn hypervisor::Vm>,
     #[cfg(all(feature = "kvm", target_arch = "x86_64"))]
     saved_clock: Option<hypervisor::ClockData>,
-    #[cfg(feature = "acpi")]
+    #[cfg(any(target_arch = "aarch64", feature = "acpi"))]
     numa_nodes: NumaNodes,
     seccomp_action: SeccompAction,
     exit_evt: EventFd,
@@ -552,7 +554,7 @@ impl Vm {
         info!("Booting VM from config: {:?}", &config);
 
         // Create NUMA nodes based on NumaConfig.
-        #[cfg(feature = "acpi")]
+        #[cfg(any(target_arch = "aarch64", feature = "acpi"))]
         let numa_nodes =
             Self::create_numa_nodes(config.lock().unwrap().numa.clone(), &memory_manager)?;
 
@@ -568,7 +570,7 @@ impl Vm {
             &exit_evt,
             &reset_evt,
             seccomp_action.clone(),
-            #[cfg(feature = "acpi")]
+            #[cfg(any(target_arch = "aarch64", feature = "acpi"))]
             numa_nodes.clone(),
             &activate_evt,
             force_iommu,
@@ -606,7 +608,7 @@ impl Vm {
             vm_ops,
             #[cfg(feature = "tdx")]
             tdx_enabled,
-            #[cfg(feature = "acpi")]
+            #[cfg(any(target_arch = "aarch64", feature = "acpi"))]
             &numa_nodes,
         )
         .map_err(Error::CpuManager)?;
@@ -644,7 +646,7 @@ impl Vm {
             vm,
             #[cfg(all(feature = "kvm", target_arch = "x86_64"))]
             saved_clock: _saved_clock,
-            #[cfg(feature = "acpi")]
+            #[cfg(any(target_arch = "aarch64", feature = "acpi"))]
             numa_nodes,
             seccomp_action: seccomp_action.clone(),
             exit_evt,
@@ -653,7 +655,7 @@ impl Vm {
         })
     }
 
-    #[cfg(feature = "acpi")]
+    #[cfg(any(target_arch = "aarch64", feature = "acpi"))]
     fn create_numa_nodes(
         configs: Option<Vec<NumaConfig>>,
         memory_manager: &Arc<Mutex<MemoryManager>>,