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authorMarcel Apfelbaum <marcel.a@redhat.com>2013-07-29 17:17:44 +0300
committerAnthony Liguori <aliguori@us.ibm.com>2013-07-29 10:37:09 -0500
commit3d1237fb2ab4edb926c717767bb5e31d6053a7c5 (patch)
tree1e2af9a82024b75be274115e19d4477804c04256
parent949fc82314cc84162e64a5323764527a542421ce (diff)
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>
-rw-r--r--include/hw/qdev-core.h29
-rw-r--r--qdev-monitor.c48
2 files changed, 68 insertions, 9 deletions
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index e8b89b1625..46972f4961 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -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;
diff --git a/qdev-monitor.c b/qdev-monitor.c
index e5adf6c9d0..410cdcbe97 100644
--- a/qdev-monitor.c
+++ b/qdev-monitor.c
@@ -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;
-
- dc = (DeviceClass *)object_class_dynamic_cast(klass, TYPE_DEVICE);
+ DeviceCategory category;
- 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;
}