Upgrade libddekit and introduce devmand.

Devmand (Device manager daemon) is the daemon that will
dynamically manage services based on events received from
the system.

commands/devmand/usb_driver.h

@@ -0,0 +1,52 @@
+#ifndef DEVMAN_USB_DRIVER
+#define DEVMAN_USB_DRIVER
+
+#include <minix/usb.h>
+#include <sys/queue.h>
+
+#define USB_MATCH_ID_VENDOR          (1 << 0)
+#define USB_MATCH_ID_PRODUCT         (1 << 1)
+#define USB_MATCH_BCD_DEVICE         (1 << 2)
+#define USB_MATCH_DEVICE_CLASS       (1 << 3)
+#define USB_MATCH_DEVICE_SUBCLASS    (1 << 4)
+#define USB_MATCH_DEVICE_PROTOCOL    (1 << 5)
+#define USB_MATCH_INTERFACE_CLASS    (1 << 6)
+#define USB_MATCH_INTERFACE_SUBCLASS (1 << 7)
+#define USB_MATCH_INTERFACE_PROTOCOL (1 << 8)
+
+enum devmand_device_type {
+	char_dev,
+	block_dev
+};
+
+struct devmand_usb_match_id {
+	unsigned match_flags;
+	struct usb_device_id match_id;
+	LIST_ENTRY(devmand_usb_match_id) list;
+};
+
+#define DEVMAND_DRIVER_LABEL_LEN 32
+
+struct devmand_driver_instance {
+	int dev_id;
+	int major;
+	char label[DEVMAND_DRIVER_LABEL_LEN];
+	struct devmand_usb_driver *drv;
+	LIST_ENTRY(devmand_driver_instance) list;
+};
+
+struct devmand_usb_driver {
+	char *name;
+	char *devprefix;
+	char *binary;
+	char *upscript;
+	char *downscript;
+	enum devmand_device_type dev_type;
+	LIST_HEAD(devid_head, devmand_usb_match_id) ids;
+	LIST_ENTRY(devmand_usb_driver) list;
+};
+
+struct devmand_usb_driver * add_usb_driver(char *name);
+struct devmand_usb_match_id *add_usb_match_id(struct devmand_usb_driver *drv);
+
+#endif