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qemu-help: Sort devices by logical functionality 

Categorize devices that appear as output to "-device ?" command
by logical functionality. Sort the devices by logical categories
before showing them to user.

The sort is done by functionality rather than alphabetical.

Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Message-id: 1375107465-25767-3-git-send-email-marcel.a@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Marcel Apfelbaum 2013-07-29 17:17:44 +03:00 committed by Anthony Liguori
parent 949fc82314
commit 3d1237fb2a
2 changed files with 68 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
include/hw/qdev-core.h
View File

@ -18,6 +18,34 @@ enum {
#define DEVICE_CLASS(klass) OBJECT_CLASS_CHECK(DeviceClass, (klass), TYPE_DEVICE)
#define DEVICE_GET_CLASS(obj) OBJECT_GET_CLASS(DeviceClass, (obj), TYPE_DEVICE)
typedef enum DeviceCategory {
DEVICE_CATEGORY_BRIDGE,
DEVICE_CATEGORY_USB,
DEVICE_CATEGORY_STORAGE,
DEVICE_CATEGORY_NETWORK,
DEVICE_CATEGORY_INPUT,
DEVICE_CATEGORY_DISPLAY,
DEVICE_CATEGORY_SOUND,
DEVICE_CATEGORY_MISC,
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);
@ -81,6 +109,7 @@ typedef struct DeviceClass {
ObjectClass parent_class;
/*< public >*/
DECLARE_BITMAP(categories, DEVICE_CATEGORY_MAX);
const char *fw_name;
const char *desc;
Property *props;

48
qdev-monitor.c
View File

@ -75,24 +75,27 @@ static bool qdev_class_has_alias(DeviceClass *dc)
return (qdev_class_get_alias(dc) != NULL);
}
static void qdev_print_devinfo(ObjectClass *klass, void *opaque)
static void qdev_print_class_devinfo(DeviceClass *dc)
{
DeviceClass *dc;
bool *show_no_user = opaque;
DeviceCategory category;
dc = (DeviceClass *)object_class_dynamic_cast(klass, TYPE_DEVICE);
if (!dc || (show_no_user && !*show_no_user && dc->no_user)) {
if (!dc) {
return;
}
error_printf("name \"%s\"", object_class_get_name(klass));
error_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc)));
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);
}
@ -102,6 +105,15 @@ static void qdev_print_devinfo(ObjectClass *klass, void *opaque)
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;
@ -139,6 +151,21 @@ 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;
@ -147,8 +174,11 @@ int qdev_device_help(QemuOpts *opts)
driver = qemu_opt_get(opts, "driver");
if (driver && is_help_option(driver)) {
bool show_no_user = false;
object_class_foreach(qdev_print_devinfo, TYPE_DEVICE, false, &show_no_user);
DeviceCategory category;
for (category = 0; category < DEVICE_CATEGORY_MAX; ++category) {
qdev_print_category_devices(category);
}
return 1;
}