diff options
| author | Michael Brown | 2015-03-16 06:39:14 +0100 |
|---|---|---|
| committer | Michael Brown | 2015-03-16 16:40:53 +0100 |
| commit | 7b6765ff1b13f088f2ac41556b8639a35bd6b893 (patch) | |
| tree | 0b9fda41653e73a378aeb5fb99d473672722da34 /src/include/ipxe/usb.h | |
| parent | [libc] Add ffs(), ffsl(), and ffsll() (diff) | |
| download | ipxe-7b6765ff1b13f088f2ac41556b8639a35bd6b893.tar.gz ipxe-7b6765ff1b13f088f2ac41556b8639a35bd6b893.tar.xz ipxe-7b6765ff1b13f088f2ac41556b8639a35bd6b893.zip | |
[usb] Add the concept of a USB bus maximum transfer size
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/include/ipxe/usb.h')
| -rw-r--r-- | src/include/ipxe/usb.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/include/ipxe/usb.h b/src/include/ipxe/usb.h index 59661f70..fd027d18 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 ); |