Add VirtIO Viomem Driver support

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

drivers.json

@@ -206,6 +206,17 @@
       "Hardware-enforced Stack Protection Compatibility Test"
     ]
   },
+  "viomem": {
+    "name": "VirtIO Viomem Driver",
+    "device": "virtio-mem-pci",
+    "inf": "viomem.inf",
+    "install_method": "PNP",
+    "type": 0,
+    "support": false,
+    "blacklist": [
+      "Hardware-enforced Stack Protection Compatibility Test"
+    ]
+  },
   "openvpn": {
     "name": "TAP-Windows Adapter V9",
     "device": "e1000e",

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

@@ -0,0 +1,7 @@
+{
+  "name": "virtio-mem-pci",
+  "command_line": [
+    "-object memory-backend-ram,id=mem_backend,size=1G",
+    "-device virtio-mem-pci@device_extra_param@,memdev=mem_backend,requested-size=300M,bus=@[email protected]"
+  ]
+}

lib/setupmanagers/qemuhck/qemu_machine.rb

@@ -193,6 +193,16 @@ def options_replacement_list
       }
     end
 
+    def double_memory
+      memory = option_config('memory')
+      memory2 = (memory.to_i * 2).to_s
+      if memory.to_i.to_s == memory
+        memory2
+      else
+        memory2 + memory[-1..]
+      end
+    end
+
     def full_replacement_list
       {
         '@run_id@' => @id,
@@ -201,6 +211,7 @@ def full_replacement_list
         '@client_id@' => @client_id,
         '@workspace@' => @workspace_path,
         '@memory@' => option_config('memory'),
+        '@double_memory@' => double_memory,
         '@cpu_count@' => option_config('cpu_count'),
         '@cpu_model@' => option_config('cpu_model'),
         '@vnc_id@' => @vnc_id,
@@ -351,7 +362,7 @@ 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=@double_memory@ -smp @cpu_count@,cores=@cpu_count@ ',
         '-cpu qemu64,+x2apic,+fsgsbase@cpu_options@,model=@cpu_model@ -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 ',