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[Qemu-devel] [PULL 01/14] machine: export register_compat_prop()
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PULL 01/14] machine: export register_compat_prop() |
Date: |
Wed, 28 Jun 2017 13:30:53 +0200 |
From: Peter Xu <address@hidden>
We have HW_COMPAT_*, however that's only bound to machines, not other
things (like accelerators). Behind it, it was register_compat_prop()
that played the trick. Let's export the function for further use
outside HW_COMPAT_* magic.
Meanwhile, move it to qdev-properties.c where seems more proper (since
it'll be used not only in machine codes).
Signed-off-by: Peter Xu <address@hidden>
Message-Id: <address@hidden>
Reviewed-by: Eduardo Habkost <address@hidden>
Signed-off-by: Juan Quintela <address@hidden>
---
hw/core/machine.c | 13 -------------
hw/core/qdev-properties.c | 14 ++++++++++++++
include/hw/qdev-properties.h | 23 +++++++++++++++++++++++
3 files changed, 37 insertions(+), 13 deletions(-)
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 2e7e977..ecb5552 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -770,19 +770,6 @@ static void machine_class_finalize(ObjectClass *klass,
void *data)
g_free(mc->name);
}
-static void register_compat_prop(const char *driver,
- const char *property,
- const char *value)
-{
- GlobalProperty *p = g_new0(GlobalProperty, 1);
- /* Machine compat_props must never cause errors: */
- p->errp = &error_abort;
- p->driver = driver;
- p->property = property;
- p->value = value;
- qdev_prop_register_global(p);
-}
-
static void machine_register_compat_for_subclass(ObjectClass *oc, void *opaque)
{
GlobalProperty *p = opaque;
diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index 68cd653..adf62ad 100644
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -1084,6 +1084,20 @@ void qdev_prop_register_global(GlobalProperty *prop)
global_props = g_list_append(global_props, prop);
}
+void register_compat_prop(const char *driver,
+ const char *property,
+ const char *value)
+{
+ GlobalProperty *p = g_new0(GlobalProperty, 1);
+
+ /* Any compat_props must never cause error */
+ p->errp = &error_abort;
+ p->driver = driver;
+ p->property = property;
+ p->value = value;
+ qdev_prop_register_global(p);
+}
+
void qdev_prop_register_global_list(GlobalProperty *props)
{
int i;
diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
index 39bf4b2..50ade83 100644
--- a/include/hw/qdev-properties.h
+++ b/include/hw/qdev-properties.h
@@ -210,6 +210,29 @@ void error_set_from_qdev_prop_error(Error **errp, int ret,
DeviceState *dev,
Property *prop, const char *value);
/**
+ * register_compat_prop:
+ *
+ * Register internal (not user-provided) global property, changing the
+ * default value of a given property in a device type. This can be used
+ * for enabling machine-type compatibility or for enabling
+ * accelerator-specific defaults in devices.
+ *
+ * The property values set using this function must be always valid and
+ * never report setter errors, as the property will have
+ * GlobalProperty::errp set to &error_abort.
+ *
+ * User-provided global properties should override internal global
+ * properties, so callers of this function should ensure that it is
+ * called before user-provided global properties are registered.
+ *
+ * @driver: Device type to be affected
+ * @property: Property whose default value is going to be changed
+ * @value: New default value for the property
+ */
+void register_compat_prop(const char *driver, const char *property,
+ const char *value);
+
+/**
* qdev_property_add_static:
* @dev: Device to add the property to.
* @prop: The qdev property definition.
--
2.9.4
- [Qemu-devel] [PULL 00/14] Migration pull request for 20170628, Juan Quintela, 2017/06/28
- [Qemu-devel] [PULL 01/14] machine: export register_compat_prop(),
Juan Quintela <=
- [Qemu-devel] [PULL 03/14] vl: clean up global property registration, Juan Quintela, 2017/06/28
- [Qemu-devel] [PULL 02/14] accel: introduce AccelClass.global_props, Juan Quintela, 2017/06/28
- [Qemu-devel] [PULL 04/14] migration: let MigrationState be a qdev, Juan Quintela, 2017/06/28
- [Qemu-devel] [PULL 07/14] migration: move skip_configuration out, Juan Quintela, 2017/06/28
- [Qemu-devel] [PULL 05/14] migration: move global_state.optional out, Juan Quintela, 2017/06/28
- [Qemu-devel] [PULL 08/14] migration: move skip_section_footers, Juan Quintela, 2017/06/28
- [Qemu-devel] [PULL 09/14] migration: merge enforce_config_section somewhat, Juan Quintela, 2017/06/28
- [Qemu-devel] [PULL 06/14] migration: move only_migratable to MigrationState, Juan Quintela, 2017/06/28