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[usb] Maintain a list of all USB buses

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2015-05-08 15:07:26 +01:00
parent f6604627ff
commit 5e1e2069fd
2 changed files with 18 additions and 0 deletions
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8
src/include/ipxe/usb.h
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@@ -916,6 +916,8 @@ struct usb_bus {
/** Root hub */
struct usb_hub *hub;
/** List of USB buses */
struct list_head list;
/** List of devices */
struct list_head devices;
/** List of hubs */
@@ -999,6 +1001,10 @@ usb_poll ( struct usb_bus *bus ) {
bus->host->poll ( bus );
}
/** Iterate over all USB buses */
#define for_each_usb_bus( bus ) \
list_for_each_entry ( (bus), &usb_buses, list )
/**
* Complete transfer (without error)
*
@@ -1182,6 +1188,8 @@ usb_set_interface ( struct usb_device *usb, unsigned int interface,
NULL, 0 );
}
extern struct list_head usb_buses;
extern struct usb_interface_descriptor *
usb_interface_descriptor ( struct usb_configuration_descriptor *config,
unsigned int interface, unsigned int alternate );