Add VirtIO Viomem Driver support

Signed-off-by: Kostiantyn Kostiuk <[email protected]>

lib/engines/hcktest/drivers/viomem.json

@@ -0,0 +1,11 @@
+{
+  "name": "VirtIO Viomem Driver",
+  "device": "virtio-mem-pci",
+  "inf": "viomem.inf",
+  "install_method": "PNP",
+  "type": 0,
+  "support": false,
+  "reject_test_names": [
+    "Hardware-enforced Stack Protection Compatibility Test"
+  ]
+}

lib/setupmanagers/qemuhck/devices/virtio-mem-pci.json

@@ -0,0 +1,10 @@
+{
+  "name": "virtio-mem-pci",
+  "command_line": [
+    "-object memory-backend-ram,id=mem_backend,size=@pluggable_memory@",
+    "-device virtio-mem-pci@device_extra_param@,memdev=mem_backend,requested-size=1G,bus=@[email protected]"
+  ],
+  "define_variables": {
+    "@pluggable_memory_gb@": 2
+  }
+}

lib/setupmanagers/qemuhck/qemu_machine.rb

@@ -341,6 +341,24 @@ def machine_replacement_list
       }
     end
 
+    def memory_replacement_list
+      pluggable_memory_gb = @define_variables['@pluggable_memory_gb@']
+      memory_gb = option_config('memory_gb')
+
+      if pluggable_memory_gb.nil?
+        {
+          '@memory@' => "#{memory_gb}G",
+          '@max_memory@' => "#{memory_gb}G"
+        }
+      else
+        {
+          '@memory@' => "#{memory_gb}G",
+          '@pluggable_memory@' => "#{pluggable_memory_gb}G",
+          '@max_memory@' => "#{memory_gb + pluggable_memory_gb}G"
+        }
+      end
+    end
+
     def options_replacement_list
       {
         '@machine_extra_param@' => @machine_extra_param.join,
@@ -358,7 +376,6 @@ def full_replacement_list
         '@run_id_second@' => @id_second,
         '@client_id@' => @client_id,
         '@workspace@' => @workspace_path,
-        '@memory@' => "#{option_config('memory_gb')}G",
         '@cpu@' => option_config('cpu'),
         '@cpu_count@' => option_config('cpu_count'),
         '@cpu_model@' => option_config('cpu_model'),
@@ -367,6 +384,7 @@ def full_replacement_list
         '@qemu_monitor_port@' => @monitor_port
       }.merge(config_replacement_list)
         .merge(machine_replacement_list)
+        .merge(memory_replacement_list)
         .merge(options_replacement_list)
         .merge(@define_variables)
     end
@@ -486,7 +504,7 @@ def process_devices
     def base_cmd
       [
         '@qemu_bin@ -enable-kvm -machine @machine_name@@machine_extra_param@ ',
-        '-m @memory@ -smp @cpu_count@,cores=@cpu_count@ ',
+        '-m @memory@,maxmem=@max_memory@ -smp @cpu_count@,cores=@cpu_count@ ',
         '-cpu @cpu_options@ -boot order=cd,menu=on ',
         '-nodefaults -no-user-config -usb -device usb-tablet -vnc :@vnc_id@ ',
         '-global kvm-pit.lost_tick_policy=discard -rtc base=localtime,clock=host,driftfix=slew ',