diff options
Diffstat (limited to 'drivers/usb/core/hcd.h')
| -rw-r--r-- | drivers/usb/core/hcd.h | 46 |
1 files changed, 34 insertions, 12 deletions
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h index b5ebb73c233..98e24194a4a 100644 --- a/drivers/usb/core/hcd.h +++ b/drivers/usb/core/hcd.h @@ -19,6 +19,8 @@ #ifdef __KERNEL__ +#include <linux/rwsem.h> + /* This file contains declarations of usbcore internals that are mostly * used or exposed by Host Controller Drivers. */ @@ -51,6 +53,12 @@ * * Since "struct usb_bus" is so thin, you can't share much code in it. * This framework is a layer over that, and should be more sharable. + * + * @authorized_default: Specifies if new devices are authorized to + * connect by default or they require explicit + * user space authorization; this bit is settable + * through /sys/class/usb_host/X/authorized_default. + * For the rest is RO, so we don't lock to r/w it. */ /*-------------------------------------------------------------------------*/ @@ -90,6 +98,7 @@ struct usb_hcd { unsigned poll_rh:1; /* poll for rh status? */ unsigned poll_pending:1; /* status has changed? */ unsigned wireless:1; /* Wireless USB HCD */ + unsigned authorized_default:1; int irq; /* irq allocated */ void __iomem *regs; /* device memory/io */ @@ -182,11 +191,10 @@ struct hc_driver { int (*get_frame_number) (struct usb_hcd *hcd); /* manage i/o requests, device state */ - int (*urb_enqueue) (struct usb_hcd *hcd, - struct usb_host_endpoint *ep, - struct urb *urb, - gfp_t mem_flags); - int (*urb_dequeue) (struct usb_hcd *hcd, struct urb *urb); + int (*urb_enqueue)(struct usb_hcd *hcd, + struct urb *urb, gfp_t mem_flags); + int (*urb_dequeue)(struct usb_hcd *hcd, + struct urb *urb, int status); /* hw synch, freeing endpoint resources that urb_dequeue can't */ void (*endpoint_disable)(struct usb_hcd *hcd, @@ -204,10 +212,18 @@ struct hc_driver { /* Needed only if port-change IRQs are level-triggered */ }; +extern int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb); +extern int usb_hcd_check_unlink_urb(struct usb_hcd *hcd, struct urb *urb, + int status); +extern void usb_hcd_unlink_urb_from_ep(struct usb_hcd *hcd, struct urb *urb); + extern int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags); extern int usb_hcd_unlink_urb (struct urb *urb, int status); -extern void usb_hcd_giveback_urb (struct usb_hcd *hcd, struct urb *urb); -extern void usb_hcd_endpoint_disable (struct usb_device *udev, +extern void usb_hcd_giveback_urb(struct usb_hcd *hcd, struct urb *urb, + int status); +extern void usb_hcd_flush_endpoint(struct usb_device *udev, + struct usb_host_endpoint *ep); +extern void usb_hcd_disable_endpoint(struct usb_device *udev, struct usb_host_endpoint *ep); extern int usb_hcd_get_frame_number (struct usb_device *udev); @@ -402,7 +418,7 @@ static inline void usbfs_cleanup(void) { } struct usb_mon_operations { void (*urb_submit)(struct usb_bus *bus, struct urb *urb); void (*urb_submit_error)(struct usb_bus *bus, struct urb *urb, int err); - void (*urb_complete)(struct usb_bus *bus, struct urb *urb); + void (*urb_complete)(struct usb_bus *bus, struct urb *urb, int status); /* void (*urb_unlink)(struct usb_bus *bus, struct urb *urb); */ }; @@ -421,10 +437,11 @@ static inline void usbmon_urb_submit_error(struct usb_bus *bus, struct urb *urb, (*mon_ops->urb_submit_error)(bus, urb, error); } -static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb) +static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb, + int status) { if (bus->monitored) - (*mon_ops->urb_complete)(bus, urb); + (*mon_ops->urb_complete)(bus, urb, status); } int usb_mon_register(struct usb_mon_operations *ops); @@ -435,7 +452,8 @@ void usb_mon_deregister(void); static inline void usbmon_urb_submit(struct usb_bus *bus, struct urb *urb) {} static inline void usbmon_urb_submit_error(struct usb_bus *bus, struct urb *urb, int error) {} -static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb) {} +static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb, + int status) {} #endif /* CONFIG_USB_MON */ @@ -454,5 +472,9 @@ static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb) {} : (in_interrupt () ? "in_interrupt" : "can sleep")) -#endif /* __KERNEL__ */ +/* This rwsem is for use only by the hub driver and ehci-hcd. + * Nobody else should touch it. + */ +extern struct rw_semaphore ehci_cf_port_reset_rwsem; +#endif /* __KERNEL__ */ |