From: Paolo Bonzini <pbonz...@redhat.com>
qdev properties use the state member (an embryo of the "realized"
property) in order to disable setting them after a device has been
initialized. So, in order to push qdev properties up to Object
we need to push this bit there too.
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
[AF: Replace state enum by realized boolean, requested by Anthony.]
Signed-off-by: Andreas Färber <afaer...@suse.de>
---
hw/qdev-addr.c | 3 ++-
hw/qdev-properties.c | 26 +++++++++++++-------------
hw/qdev.c | 11 +++++------
hw/qdev.h | 6 ------
include/qemu/object.h | 9 +++++++++
qom/object.c | 5 +++++
6 files changed, 34 insertions(+), 26 deletions(-)
diff --git a/hw/qdev-addr.c b/hw/qdev-addr.c
index b711b6b..a3796bd 100644
--- a/hw/qdev-addr.c
+++ b/hw/qdev-addr.c
@@ -1,3 +1,4 @@
+#include "qemu/object.h"
#include "qdev.h"
#include "qdev-addr.h"
#include "targphys.h"
@@ -39,7 +40,7 @@ static void set_taddr(Object *obj, Visitor *v, void *opaque,
Error *local_err = NULL;
int64_t value;
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c
index 099a7aa..fcc0bed 100644
--- a/hw/qdev-properties.c
+++ b/hw/qdev-properties.c
@@ -53,7 +53,7 @@ static void set_bit(Object *obj, Visitor *v, void *opaque,
Error *local_err = NULL;
bool value;
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
@@ -93,7 +93,7 @@ static void set_uint8(Object *obj, Visitor *v, void *opaque,
Property *prop = opaque;
uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
@@ -160,7 +160,7 @@ static void set_uint16(Object *obj, Visitor *v, void
*opaque,
Property *prop = opaque;
uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
@@ -193,7 +193,7 @@ static void set_uint32(Object *obj, Visitor *v, void
*opaque,
Property *prop = opaque;
uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
@@ -218,7 +218,7 @@ static void set_int32(Object *obj, Visitor *v, void *opaque,
Property *prop = opaque;
int32_t *ptr = qdev_get_prop_ptr(dev, prop);
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
@@ -291,7 +291,7 @@ static void set_uint64(Object *obj, Visitor *v, void
*opaque,
Property *prop = opaque;
uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
@@ -379,7 +379,7 @@ static void set_string(Object *obj, Visitor *v, void
*opaque,
Error *local_err = NULL;
char *str;
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
@@ -457,7 +457,7 @@ static void set_pointer(Object *obj, Visitor *v, Property
*prop,
char *str;
int ret;
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
@@ -626,7 +626,7 @@ static void set_vlan(Object *obj, Visitor *v, void *opaque,
int64_t id;
VLANState *vlan;
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
@@ -696,7 +696,7 @@ static void set_mac(Object *obj, Visitor *v, void *opaque,
int i, pos;
char *str, *p;
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
@@ -766,7 +766,7 @@ static void set_enum(Object *obj, Visitor *v, void *opaque,
Property *prop = opaque;
int *ptr = qdev_get_prop_ptr(dev, prop);
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
@@ -797,7 +797,7 @@ static void set_pci_devfn(Object *obj, Visitor *v, void
*opaque,
Error *local_err = NULL;
char *str;
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
@@ -867,7 +867,7 @@ static void set_blocksize(Object *obj, Visitor *v, void
*opaque,
const int64_t min = 512;
const int64_t max = 32768;
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
diff --git a/hw/qdev.c b/hw/qdev.c
index b20b34d..5580fc1 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -155,7 +155,7 @@ int qdev_init(DeviceState *dev)
DeviceClass *dc = DEVICE_GET_CLASS(dev);
int rc;
- assert(dev->state == DEV_STATE_CREATED);
+ assert(!object_is_realized(OBJECT(dev)));
rc = dc->init(dev);
if (rc < 0) {
@@ -178,7 +178,7 @@ int qdev_init(DeviceState *dev)
dev->instance_id_alias,
dev->alias_required_for_version);
}
- dev->state = DEV_STATE_INITIALIZED;
+ OBJECT(dev)->realized = true;
if (dev->hotplugged) {
device_reset(dev);
}
@@ -188,7 +188,7 @@ int qdev_init(DeviceState *dev)
void qdev_set_legacy_instance_id(DeviceState *dev, int alias_id,
int required_for_version)
{
- assert(dev->state == DEV_STATE_CREATED);
+ assert(!object_is_realized(OBJECT(dev)));
dev->instance_id_alias = alias_id;
dev->alias_required_for_version = required_for_version;
}
@@ -567,7 +567,7 @@ static void qdev_set_legacy_property(Object *obj, Visitor
*v, void *opaque,
char *ptr = NULL;
int ret;
- if (dev->state != DEV_STATE_CREATED) {
+ if (object_is_realized(obj)) {
error_set(errp, QERR_PERMISSION_DENIED);
return;
}
@@ -674,7 +674,6 @@ static void device_initfn(Object *obj)
}
dev->instance_id_alias = -1;
- dev->state = DEV_STATE_CREATED;
class = object_get_class(OBJECT(dev));
do {
@@ -697,7 +696,7 @@ static void device_finalize(Object *obj)
BusState *bus;
DeviceClass *dc = DEVICE_GET_CLASS(dev);
- if (dev->state == DEV_STATE_INITIALIZED) {
+ if (object_is_realized(obj)) {
while (dev->num_child_bus) {
bus = QLIST_FIRST(&dev->child_bus);
qbus_free(bus);
diff --git a/hw/qdev.h b/hw/qdev.h
index ae1d281..a1e40c5 100644
--- a/hw/qdev.h
+++ b/hw/qdev.h
@@ -19,11 +19,6 @@ typedef struct BusState BusState;
typedef struct BusClass BusClass;
-enum DevState {
- DEV_STATE_CREATED = 1,
- DEV_STATE_INITIALIZED,
-};
-
enum {
DEV_NVECTORS_UNSPECIFIED = -1,
};
@@ -64,7 +59,6 @@ struct DeviceState {
Object parent_obj;
const char *id;
- enum DevState state;
QemuOpts *opts;
int hotplugged;
BusState *parent_bus;
diff --git a/include/qemu/object.h b/include/qemu/object.h
index 8b17776..0a3828d 100644
--- a/include/qemu/object.h
+++ b/include/qemu/object.h
@@ -264,6 +264,7 @@ struct Object
QTAILQ_HEAD(, ObjectProperty) properties;
uint32_t ref;
Object *parent;
+ bool realized;
};
/**
@@ -812,6 +813,14 @@ const char *object_property_get_type(Object *obj, const
char *name,
Object *object_get_root(void);
/**
+ * object_is_realized:
+ * @obj: the object
+ *
+ * Returns: Whether @obj has been realized (i.e., completely constructed).
+ */
+bool object_is_realized(Object *obj);
+
+/**
* object_get_canonical_path:
*
* Returns: The canonical path for a object. This is the path within the
diff --git a/qom/object.c b/qom/object.c
index 00bb3b0..8d10a27 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -1237,6 +1237,11 @@ static char *qdev_get_type(Object *obj, Error **errp)
return g_strdup(object_get_typename(obj));
}
+bool object_is_realized(Object *obj)
+{
+ return obj->realized;
+}
+
static void object_instance_init(Object *obj)
{
object_property_add_str(obj, "type", qdev_get_type, NULL, NULL);
--
1.7.7
