1 files changed, 66 insertions, 0 deletions
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index edf2b0f061..1dc2956e72 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -648,6 +648,51 @@ static void microvm_powerdown_req(Notifier *notifier, void *data)
     }
 }
 
+static char *microvm_machine_get_oem_id(Object *obj, Error **errp)
+{
+    MicrovmMachineState *mms = MICROVM_MACHINE(obj);
+
+    return g_strdup(mms->oem_id);
+}
+
+static void microvm_machine_set_oem_id(Object *obj, const char *value,
+                                       Error **errp)
+{
+    MicrovmMachineState *mms = MICROVM_MACHINE(obj);
+    size_t len = strlen(value);
+
+    if (len > 6) {
+        error_setg(errp,
+          "User specified "MICROVM_MACHINE_OEM_ID" value is bigger than "
+          "6 bytes in size");
+        return;
+    }
+
+    strncpy(mms->oem_id, value, len + 1);
+}
+
+static char *microvm_machine_get_oem_table_id(Object *obj, Error **errp)
+{
+    MicrovmMachineState *mms = MICROVM_MACHINE(obj);
+
+    return g_strdup(mms->oem_table_id);
+}
+
+static void microvm_machine_set_oem_table_id(Object *obj, const char *value,
+                                             Error **errp)
+{
+    MicrovmMachineState *mms = MICROVM_MACHINE(obj);
+    size_t len = strlen(value);
+
+    if (len > 8) {
+        error_setg(errp,
+          "User specified "MICROVM_MACHINE_OEM_TABLE_ID" value is bigger than "
+          "8 bytes in size");
+        return;
+    }
+    strncpy(mms->oem_table_id, value, len + 1);
+}
+
 static void microvm_machine_initfn(Object *obj)
 {
     MicrovmMachineState *mms = MICROVM_MACHINE(obj);
@@ -669,6 +714,9 @@ static void microvm_machine_initfn(Object *obj)
     qemu_add_machine_init_done_notifier(&mms->machine_done);
     mms->powerdown_req.notify = microvm_powerdown_req;
     qemu_register_powerdown_notifier(&mms->powerdown_req);
+
+    mms->oem_id = g_strndup(ACPI_BUILD_APPNAME6, 6);
+    mms->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8);
 }
 
 static void microvm_class_init(ObjectClass *oc, void *data)
@@ -757,6 +805,24 @@ static void microvm_class_init(ObjectClass *oc, void *data)
         MICROVM_MACHINE_AUTO_KERNEL_CMDLINE,
         "Set off to disable adding virtio-mmio devices to the kernel cmdline");
 
+    object_class_property_add_str(oc, MICROVM_MACHINE_OEM_ID,
+                                  microvm_machine_get_oem_id,
+                                  microvm_machine_set_oem_id);
+    object_class_property_set_description(oc, MICROVM_MACHINE_OEM_ID,
+                                          "Override the default value of field OEMID "
+                                          "in ACPI table header."
+                                          "The string may be up to 6 bytes in size");
+
+
+    object_class_property_add_str(oc, MICROVM_MACHINE_OEM_TABLE_ID,
+                                  microvm_machine_get_oem_table_id,
+                                  microvm_machine_set_oem_table_id);
+    object_class_property_set_description(oc, MICROVM_MACHINE_OEM_TABLE_ID,
+                                          "Override the default value of field OEM Table ID "
+                                          "in ACPI table header."
+                                          "The string may be up to 8 bytes in size");
+
+
     machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE);
 }