Mostly revert "qemu-help: Sort devices by logical functionality"

This reverts most of commit 3d1237fb2a.

The commit claims to sort the output of "-device help" "by
functionality rather than alphabetical".  Issues:

* The output was unsorted before, not alphabetically sorted.
  Misleading, but harmless enough.

* The commit doesn't just sort the output of "-device help" as it
  claims, it adds categories to each line of "-device help", and it
  prints devices once per category.  In particular, devices without a
  category aren't shown anymore.  Maybe such devices should not exist,
  but they do.  Regression.

* Categories are also added to the output of "info qdm".  Silent
  change, not nice.  Output remains unsorted, unlike "-device help".

I'm going to reimplement the feature we actually want, without the
warts.  Reverting the flawed commit first should make it easier to
review.  However, I can't revert it completely, since DeviceClass
member categories has been put to use.  So leave that part in.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel.a@redhat.com>
Message-id: 1381410021-1538-2-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
This commit is contained in:
Markus Armbruster 2013-10-10 15:00:20 +02:00 committed by Anthony Liguori
parent 8593898109
commit 1fc224b4b6
2 changed files with 9 additions and 55 deletions

View File

@ -30,22 +30,6 @@ typedef enum DeviceCategory {
DEVICE_CATEGORY_MAX
} DeviceCategory;
static inline const char *qdev_category_get_name(DeviceCategory category)
{
static const char *category_names[DEVICE_CATEGORY_MAX] = {
[DEVICE_CATEGORY_BRIDGE] = "Controller/Bridge/Hub",
[DEVICE_CATEGORY_USB] = "USB",
[DEVICE_CATEGORY_STORAGE] = "Storage",
[DEVICE_CATEGORY_NETWORK] = "Network",
[DEVICE_CATEGORY_INPUT] = "Input",
[DEVICE_CATEGORY_DISPLAY] = "Display",
[DEVICE_CATEGORY_SOUND] = "Sound",
[DEVICE_CATEGORY_MISC] = "Misc",
};
return category_names[category];
};
typedef int (*qdev_initfn)(DeviceState *dev);
typedef int (*qdev_event)(DeviceState *dev);
typedef void (*qdev_resetfn)(DeviceState *dev);

View File

@ -75,27 +75,24 @@ static bool qdev_class_has_alias(DeviceClass *dc)
return (qdev_class_get_alias(dc) != NULL);
}
static void qdev_print_class_devinfo(DeviceClass *dc)
static void qdev_print_devinfo(ObjectClass *klass, void *opaque)
{
DeviceCategory category;
DeviceClass *dc;
bool *show_no_user = opaque;
if (!dc) {
dc = (DeviceClass *)object_class_dynamic_cast(klass, TYPE_DEVICE);
if (!dc || (show_no_user && !*show_no_user && dc->no_user)) {
return;
}
error_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc)));
error_printf("name \"%s\"", object_class_get_name(klass));
if (dc->bus_type) {
error_printf(", bus %s", dc->bus_type);
}
if (qdev_class_has_alias(dc)) {
error_printf(", alias \"%s\"", qdev_class_get_alias(dc));
}
error_printf(", categories");
for (category = 0; category < DEVICE_CATEGORY_MAX; ++category) {
if (test_bit(category, dc->categories)) {
error_printf(" \"%s\"", qdev_category_get_name(category));
}
}
if (dc->desc) {
error_printf(", desc \"%s\"", dc->desc);
}
@ -105,15 +102,6 @@ static void qdev_print_class_devinfo(DeviceClass *dc)
error_printf("\n");
}
static void qdev_print_devinfo(ObjectClass *klass, void *opaque)
{
DeviceClass *dc;
dc = (DeviceClass *)object_class_dynamic_cast(klass, TYPE_DEVICE);
qdev_print_class_devinfo(dc);
}
static int set_property(const char *name, const char *value, void *opaque)
{
DeviceState *dev = opaque;
@ -151,21 +139,6 @@ static const char *find_typename_by_alias(const char *alias)
return NULL;
}
static void qdev_print_category_devices(DeviceCategory category)
{
DeviceClass *dc;
GSList *list, *curr;
list = object_class_get_list(TYPE_DEVICE, false);
for (curr = list; curr; curr = g_slist_next(curr)) {
dc = (DeviceClass *)object_class_dynamic_cast(curr->data, TYPE_DEVICE);
if (!dc->no_user && test_bit(category, dc->categories)) {
qdev_print_class_devinfo(dc);
}
}
g_slist_free(list);
}
int qdev_device_help(QemuOpts *opts)
{
const char *driver;
@ -174,11 +147,8 @@ int qdev_device_help(QemuOpts *opts)
driver = qemu_opt_get(opts, "driver");
if (driver && is_help_option(driver)) {
DeviceCategory category;
for (category = 0; category < DEVICE_CATEGORY_MAX; ++category) {
qdev_print_category_devices(category);
}
bool show_no_user = false;
object_class_foreach(qdev_print_devinfo, TYPE_DEVICE, false, &show_no_user);
return 1;
}