From 7b6765ff1b13f088f2ac41556b8639a35bd6b893 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Mon, 16 Mar 2015 05:39:14 +0000 Subject: [usb] Add the concept of a USB bus maximum transfer size Signed-off-by: Michael Brown --- src/include/ipxe/usb.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'src/include') diff --git a/src/include/ipxe/usb.h b/src/include/ipxe/usb.h index 59661f701..fd027d188 100644 --- a/src/include/ipxe/usb.h +++ b/src/include/ipxe/usb.h @@ -865,6 +865,9 @@ struct usb_bus { /** Host controller operations set */ struct usb_host_operations *op; + /** Largest transfer allowed on the bus */ + size_t mtu; + /** Root hub */ struct usb_hub *hub; @@ -1138,7 +1141,8 @@ extern void free_usb_hub ( struct usb_hub *hub ); extern void usb_port_changed ( struct usb_port *port ); -extern struct usb_bus * alloc_usb_bus ( struct device *dev, unsigned int ports, +extern struct usb_bus * alloc_usb_bus ( struct device *dev, + unsigned int ports, size_t mtu, struct usb_host_operations *op ); extern int register_usb_bus ( struct usb_bus *bus ); extern void unregister_usb_bus ( struct usb_bus *bus ); -- cgit v1.2.3-55-g7522