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hw/core: Introduce device_class_set_props_n

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Record the size of the array in DeviceClass.props_count_.
Iterate with known count in qdev_prop_walk.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Link: https://lore.kernel.org/r/20241218134251.4724-14-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Richard Henderson 2024-12-18 07:42:40 -06:00 • committed by Paolo Bonzini
parent 588611972f
commit cb9f4b28ee
4 changed files with 55 additions and 18 deletions
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15
system/qdev-monitor.c
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@ -752,19 +752,18 @@ DeviceState *qdev_device_add(QemuOpts *opts, Error **errp)
#define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__)
static void qdev_print_props(Monitor *mon, DeviceState *dev, const Property *props,
static void qdev_print_props(Monitor *mon, DeviceState *dev, DeviceClass *dc,
int indent)
{
if (!props)
return;
for (; props->name; props++) {
for (int i = 0, n = dc->props_count_; i < n; ++i) {
const Property *prop = &dc->props_[i];
char *value;
char *legacy_name = g_strdup_printf("legacy-%s", props->name);
char *legacy_name = g_strdup_printf("legacy-%s", prop->name);
if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) {
value = object_property_get_str(OBJECT(dev), legacy_name, NULL);
} else {
value = object_property_print(OBJECT(dev), props->name, true,
value = object_property_print(OBJECT(dev), prop->name, true,
NULL);
}
g_free(legacy_name);
@ -772,7 +771,7 @@ static void qdev_print_props(Monitor *mon, DeviceState *dev, const Property *pro
if (!value) {
continue;
}
qdev_printf("%s = %s\n", props->name,
qdev_printf("%s = %s\n", prop->name,
*value ? value : "<null>");
g_free(value);
}
@ -812,7 +811,7 @@ static void qdev_print(Monitor *mon, DeviceState *dev, int indent)
}
class = object_get_class(OBJECT(dev));
do {
qdev_print_props(mon, dev, DEVICE_CLASS(class)->props_, indent);
qdev_print_props(mon, dev, DEVICE_CLASS(class), indent);
class = object_class_get_parent(class);
} while (class != object_class_by_name(TYPE_DEVICE));
bus_print_dev(dev->parent_bus, mon, dev, indent);