[Qemu-devel] [PATCH RFC V2 4/9] hw/machine: add qemu machine opts as properties to QemuMachineState

[Marcel Apfelbaum <marcel.a@redhat.com>]

It is cleaner to query current_machine's properties than
accessing QemuOpts from the code.

Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
---
 hw/core/machine.c | 251 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 251 insertions(+)

diff --git a/hw/core/machine.c b/hw/core/machine.c
index 2c6e1a3..436829c 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -11,15 +11,265 @@
  */
 
 #include "hw/boards.h"
+#include "qapi/visitor.h"
+
+static char *machine_get_accel(Object *obj, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    return g_strdup(machine_state->accel);
+}
+
+static void machine_set_accel(Object *obj, const char *value, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    machine_state->accel = g_strdup(value);
+}
+
+static bool machine_get_kernel_irqchip(Object *obj, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    return machine_state->kernel_irqchip;
+}
+
+static void machine_set_kernel_irqchip(Object *obj, bool value, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    machine_state->kernel_irqchip = value;
+}
+
+static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v,
+                                       void *opaque, const char *name,
+                                       Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    int64_t value = machine_state->kvm_shadow_mem;
+
+    visit_type_int(v, &value, name, errp);
+}
+
+static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v,
+                                       void *opaque, const char *name,
+                                       Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    Error *error = NULL;
+    int64_t value;
+
+    visit_type_int(v, &value, name, &error);
+    if (error) {
+        error_propagate(errp, error);
+        return;
+    }
+
+    machine_state->kvm_shadow_mem = value;
+}
+
+static char *machine_get_kernel(Object *obj, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    return g_strdup(machine_state->kernel);
+}
+
+static void machine_set_kernel(Object *obj, const char *value, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    machine_state->kernel = g_strdup(value);
+}
+
+static char *machine_get_initrd(Object *obj, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    return g_strdup(machine_state->initrd);
+}
+
+static void machine_set_initrd(Object *obj, const char *value, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    machine_state->initrd = g_strdup(value);
+}
+
+static char *machine_get_append(Object *obj, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    return g_strdup(machine_state->append);
+}
+
+static void machine_set_append(Object *obj, const char *value, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    machine_state->append = g_strdup(value);
+}
+
+static char *machine_get_dtb(Object *obj, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    return g_strdup(machine_state->dtb);
+}
+
+static void machine_set_dtb(Object *obj, const char *value, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    machine_state->dtb = g_strdup(value);
+}
+
+static char *machine_get_dumpdtb(Object *obj, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    return g_strdup(machine_state->dumpdtb);
+}
+
+static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    machine_state->dumpdtb = g_strdup(value);
+}
+
+static void machine_get_phandle_start(Object *obj, Visitor *v,
+                                       void *opaque, const char *name,
+                                       Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    int64_t value = machine_state->phandle_start;
+
+    visit_type_int(v, &value, name, errp);
+}
+
+static void machine_set_phandle_start(Object *obj, Visitor *v,
+                                       void *opaque, const char *name,
+                                       Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    Error *error = NULL;
+    int64_t value;
+
+    visit_type_int(v, &value, name, &error);
+    if (error) {
+        error_propagate(errp, error);
+        return;
+    }
+
+    machine_state->phandle_start = value;
+}
+
+static char *machine_get_dt_compatible(Object *obj, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    return g_strdup(machine_state->dt_compatible);
+}
+
+static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    machine_state->dt_compatible = g_strdup(value);
+}
+
+static bool machine_get_dump_guest_core(Object *obj, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    return machine_state->dump_guest_core;
+}
+
+static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    machine_state->dump_guest_core = value;
+}
+
+static bool machine_get_mem_merge(Object *obj, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    return machine_state->mem_merge;
+}
+
+static void machine_set_mem_merge(Object *obj, bool value, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    machine_state->mem_merge = value;
+}
+
+static bool machine_get_usb(Object *obj, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    return machine_state->usb;
+}
+
+static void machine_set_usb(Object *obj, bool value, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    machine_state->usb = value;
+}
+
+static char *machine_get_firmware(Object *obj, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    return g_strdup(machine_state->firmware);
+}
+
+static void machine_set_firmware(Object *obj, const char *value, Error **errp)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+    machine_state->firmware = g_strdup(value);
+}
 
 static void qemu_machine_initfn(Object *obj)
 {
+    object_property_add_str(obj, "accel",
+                            machine_get_accel, machine_set_accel, NULL);
+    object_property_add_bool(obj, "kernel_irqchip",
+                             machine_get_kernel_irqchip,
+                             machine_set_kernel_irqchip,
+                             NULL);
+    object_property_add(obj, "kvm_shadow_mem", "int",
+                        machine_get_kvm_shadow_mem,
+                        machine_set_kvm_shadow_mem,
+                        NULL, NULL, NULL);
+    object_property_add_str(obj, "kernel",
+                            machine_get_kernel, machine_set_kernel, NULL);
+    object_property_add_str(obj, "initrd",
+                            machine_get_initrd, machine_set_initrd, NULL);
+    object_property_add_str(obj, "append",
+                            machine_get_append, machine_set_append, NULL);
+    object_property_add_str(obj, "dtb",
+                            machine_get_dtb, machine_set_dtb, NULL);
+    object_property_add_str(obj, "dumpdtb",
+                            machine_get_dumpdtb, machine_set_dumpdtb, NULL);
+    object_property_add(obj, "phandle_start", "int",
+                        machine_get_phandle_start,
+                        machine_set_phandle_start,
+                        NULL, NULL, NULL);
+    object_property_add_str(obj, "dt_compatible",
+                            machine_get_dt_compatible,
+                            machine_set_dt_compatible,
+                            NULL);
+    object_property_add_bool(obj, "dump-guest-core",
+                             machine_get_dump_guest_core,
+                             machine_set_dump_guest_core,
+                             NULL);
+    object_property_add_bool(obj, "mem-merge",
+                             machine_get_mem_merge, machine_set_mem_merge, NULL);
+    object_property_add_bool(obj, "usb", machine_get_usb, machine_set_usb, NULL);
+    object_property_add_str(obj, "firmware",
+                            machine_get_firmware, machine_set_firmware, NULL);
 }
 
 static void qemu_machine_class_init(ObjectClass *oc, void *data)
 {
 }
 
+static void qemu_machine_finalize(Object *obj)
+{
+    QemuMachineState *machine_state = QEMU_MACHINE(obj);
+
+    g_free(machine_state->accel);
+    g_free(machine_state->kernel);
+    g_free(machine_state->initrd);
+    g_free(machine_state->append);
+    g_free(machine_state->dtb);
+    g_free(machine_state->dumpdtb);
+    g_free(machine_state->dt_compatible);
+    g_free(machine_state->firmware);
+}
+
 static const TypeInfo qemu_machine_info = {
     .name = TYPE_QEMU_MACHINE,
     .parent = TYPE_OBJECT,
@@ -28,6 +278,7 @@ static const TypeInfo qemu_machine_info = {
     .class_init = qemu_machine_class_init,
     .instance_size = sizeof(QemuMachineState),
     .instance_init = qemu_machine_initfn,
+    .instance_finalize = qemu_machine_finalize,
 };
 
 static void register_types(void)
-- 
1.8.3.1