* - configs have one (often) or more interfaces;
* - interfaces have one (usually) or more settings;
* - each interface setting has zero or (usually) more endpoints.
+ * - a SuperSpeed endpoint has a companion descriptor
*
* And there might be other descriptors mixed in with those.
*
struct ep_device;
+/* For SS devices */
+/**
+ * struct usb_host_ss_ep_comp - Valid for SuperSpeed devices only
+ * @desc: endpoint companion descriptor, wMaxPacketSize in native byteorder
+ * @extra: descriptors following this endpoint companion descriptor
+ * @extralen: how many bytes of "extra" are valid
+ */
+struct usb_host_ss_ep_comp {
+ struct usb_ss_ep_comp_descriptor desc;
+ unsigned char *extra; /* Extra descriptors */
+ int extralen;
+};
+
/**
* struct usb_host_endpoint - host-side endpoint descriptor and queue
* @desc: descriptor for this endpoint, wMaxPacketSize in native byteorder
* @hcpriv: for use by HCD; typically holds hardware dma queue head (QH)
* with one or more transfer descriptors (TDs) per urb
* @ep_dev: ep_device for sysfs info
+ * @ss_ep_comp: companion descriptor information for this endpoint
* @extra: descriptors following this endpoint in the configuration
* @extralen: how many bytes of "extra" are valid
* @enabled: URBs may be submitted to this endpoint
struct list_head urb_list;
void *hcpriv;
struct ep_device *ep_dev; /* For sysfs info */
+ struct usb_host_ss_ep_comp *ss_ep_comp; /* For SS devices */
unsigned char *extra; /* Extra descriptors */
int extralen;
* (in probe()), bound to a driver, or unbinding (in disconnect())
* @is_active: flag set when the interface is bound and not suspended.
* @sysfs_files_created: sysfs attributes exist
+ * @ep_devs_created: endpoint child pseudo-devices exist
* @unregistering: flag set when the interface is being unregistered
* @needs_remote_wakeup: flag set when the driver requires remote-wakeup
* capability during autosuspend.
* to the sysfs representation for that device.
* @pm_usage_cnt: PM usage counter for this interface; autosuspend is not
* allowed unless the counter is 0.
+ * @reset_ws: Used for scheduling resets from atomic context.
+ * @reset_running: set to 1 if the interface is currently running a
+ * queued reset so that usb_cancel_queued_reset() doesn't try to
+ * remove from the workqueue when running inside the worker
+ * thread. See __usb_queue_reset_device().
*
* USB device drivers attach to interfaces on a physical device. Each
* interface encapsulates a single high level function, such as feeding
enum usb_interface_condition condition; /* state of binding */
unsigned is_active:1; /* the interface is not suspended */
unsigned sysfs_files_created:1; /* the sysfs attributes exist */
+ unsigned ep_devs_created:1; /* endpoint "devices" exist */
unsigned unregistering:1; /* unregistration is in progress */
unsigned needs_remote_wakeup:1; /* driver requires remote wakeup */
unsigned needs_altsetting0:1; /* switch to altsetting 0 is pending */
unsigned needs_binding:1; /* needs delayed unbind/rebind */
+ unsigned reset_running:1;
struct device dev; /* interface specific device info */
struct device *usb_dev;
int pm_usage_cnt; /* usage counter for autosuspend */
+ struct work_struct reset_ws; /* for resets in atomic context */
};
#define to_usb_interface(d) container_of(d, struct usb_interface, dev)
#define interface_to_usbdev(intf) \
#ifdef CONFIG_USB_DEVICEFS
struct dentry *usbfs_dentry; /* usbfs dentry entry for the bus */
#endif
- struct device *dev; /* device for this bus */
-#if defined(CONFIG_USB_MON)
+#if defined(CONFIG_USB_MON) || defined(CONFIG_USB_MON_MODULE)
struct mon_bus *mon_bus; /* non-null when associated */
int monitored; /* non-zero when monitored */
#endif
* struct usb_device - kernel's representation of a USB device
* @devnum: device number; address on a USB bus
* @devpath: device ID string for use in messages (e.g., /port/...)
+ * @route: tree topology hex string for use with xHCI
* @state: device state: configured, not attached, etc.
* @speed: device speed: high/full/low (or error)
* @tt: Transaction Translator info; used with low/full speed dev, highspeed hub
* @autosuspend_disabled: autosuspend disabled by the user
* @autoresume_disabled: autoresume disabled by the user
* @skip_sys_resume: skip the next system resume
+ * @wusb_dev: if this is a Wireless USB device, link to the WUSB
+ * specific data for the device.
+ * @slot_id: Slot ID assigned by xHCI
*
* Notes:
* Usbcore drivers should not set usbdev->state directly. Instead use
struct usb_device {
int devnum;
char devpath [16];
+ u32 route;
enum usb_device_state state;
enum usb_device_speed speed;
unsigned skip_sys_resume:1;
#endif
struct wusb_dev *wusb_dev;
+ int slot_id;
};
#define to_usb_device(d) container_of(d, struct usb_device, dev)
/* USB port reset for device reinitialization */
extern int usb_reset_device(struct usb_device *dev);
+extern void usb_queue_reset_device(struct usb_interface *dev);
extern struct usb_device *usb_find_device(u16 vendor_id, u16 product_id);
/*-------------------------------------------------------------------------*/
-/**
- * usb_endpoint_num - get the endpoint's number
- * @epd: endpoint to be checked
- *
- * Returns @epd's number: 0 to 15.
- */
-static inline int usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
-{
- return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
-}
-
-/**
- * usb_endpoint_type - get the endpoint's transfer type
- * @epd: endpoint to be checked
- *
- * Returns one of USB_ENDPOINT_XFER_{CONTROL, ISOC, BULK, INT} according
- * to @epd's transfer type.
- */
-static inline int usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
-{
- return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
-}
-
-/**
- * usb_endpoint_dir_in - check if the endpoint has IN direction
- * @epd: endpoint to be checked
- *
- * Returns true if the endpoint is of type IN, otherwise it returns false.
- */
-static inline int usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
-{
- return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
-}
-
-/**
- * usb_endpoint_dir_out - check if the endpoint has OUT direction
- * @epd: endpoint to be checked
- *
- * Returns true if the endpoint is of type OUT, otherwise it returns false.
- */
-static inline int usb_endpoint_dir_out(
- const struct usb_endpoint_descriptor *epd)
-{
- return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
-}
-
-/**
- * usb_endpoint_xfer_bulk - check if the endpoint has bulk transfer type
- * @epd: endpoint to be checked
- *
- * Returns true if the endpoint is of type bulk, otherwise it returns false.
- */
-static inline int usb_endpoint_xfer_bulk(
- const struct usb_endpoint_descriptor *epd)
-{
- return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
- USB_ENDPOINT_XFER_BULK);
-}
-
-/**
- * usb_endpoint_xfer_control - check if the endpoint has control transfer type
- * @epd: endpoint to be checked
- *
- * Returns true if the endpoint is of type control, otherwise it returns false.
- */
-static inline int usb_endpoint_xfer_control(
- const struct usb_endpoint_descriptor *epd)
-{
- return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
- USB_ENDPOINT_XFER_CONTROL);
-}
-
-/**
- * usb_endpoint_xfer_int - check if the endpoint has interrupt transfer type
- * @epd: endpoint to be checked
- *
- * Returns true if the endpoint is of type interrupt, otherwise it returns
- * false.
- */
-static inline int usb_endpoint_xfer_int(
- const struct usb_endpoint_descriptor *epd)
-{
- return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
- USB_ENDPOINT_XFER_INT);
-}
-
-/**
- * usb_endpoint_xfer_isoc - check if the endpoint has isochronous transfer type
- * @epd: endpoint to be checked
- *
- * Returns true if the endpoint is of type isochronous, otherwise it returns
- * false.
- */
-static inline int usb_endpoint_xfer_isoc(
- const struct usb_endpoint_descriptor *epd)
-{
- return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
- USB_ENDPOINT_XFER_ISOC);
-}
-
-/**
- * usb_endpoint_is_bulk_in - check if the endpoint is bulk IN
- * @epd: endpoint to be checked
- *
- * Returns true if the endpoint has bulk transfer type and IN direction,
- * otherwise it returns false.
- */
-static inline int usb_endpoint_is_bulk_in(
- const struct usb_endpoint_descriptor *epd)
-{
- return (usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_in(epd));
-}
-
-/**
- * usb_endpoint_is_bulk_out - check if the endpoint is bulk OUT
- * @epd: endpoint to be checked
- *
- * Returns true if the endpoint has bulk transfer type and OUT direction,
- * otherwise it returns false.
- */
-static inline int usb_endpoint_is_bulk_out(
- const struct usb_endpoint_descriptor *epd)
-{
- return (usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_out(epd));
-}
-
-/**
- * usb_endpoint_is_int_in - check if the endpoint is interrupt IN
- * @epd: endpoint to be checked
- *
- * Returns true if the endpoint has interrupt transfer type and IN direction,
- * otherwise it returns false.
- */
-static inline int usb_endpoint_is_int_in(
- const struct usb_endpoint_descriptor *epd)
-{
- return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_in(epd));
-}
-
-/**
- * usb_endpoint_is_int_out - check if the endpoint is interrupt OUT
- * @epd: endpoint to be checked
- *
- * Returns true if the endpoint has interrupt transfer type and OUT direction,
- * otherwise it returns false.
- */
-static inline int usb_endpoint_is_int_out(
- const struct usb_endpoint_descriptor *epd)
-{
- return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_out(epd));
-}
-
-/**
- * usb_endpoint_is_isoc_in - check if the endpoint is isochronous IN
- * @epd: endpoint to be checked
- *
- * Returns true if the endpoint has isochronous transfer type and IN direction,
- * otherwise it returns false.
- */
-static inline int usb_endpoint_is_isoc_in(
- const struct usb_endpoint_descriptor *epd)
-{
- return (usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_in(epd));
-}
-
-/**
- * usb_endpoint_is_isoc_out - check if the endpoint is isochronous OUT
- * @epd: endpoint to be checked
- *
- * Returns true if the endpoint has isochronous transfer type and OUT direction,
- * otherwise it returns false.
- */
-static inline int usb_endpoint_is_isoc_out(
- const struct usb_endpoint_descriptor *epd)
-{
- return (usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_out(epd));
-}
-
-/*-------------------------------------------------------------------------*/
-
#define USB_DEVICE_ID_MATCH_DEVICE \
(USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_PRODUCT)
#define USB_DEVICE_ID_MATCH_DEV_RANGE \
* struct usb_device_driver - identifies USB device driver to usbcore
* @name: The driver name should be unique among USB drivers,
* and should normally be the same as the module name.
+ * @nodename: Callback to provide a naming hint for a possible
+ * device node to create.
* @probe: Called to see if the driver is willing to manage a particular
* device. If it is, probe returns zero and uses dev_set_drvdata()
* to associate driver-specific data with the device. If unwilling
void (*disconnect) (struct usb_device *udev);
int (*suspend) (struct usb_device *udev, pm_message_t message);
- int (*resume) (struct usb_device *udev);
+ int (*resume) (struct usb_device *udev, pm_message_t message);
struct usbdrv_wrap drvwrap;
unsigned int supports_autosuspend:1;
};
*/
struct usb_class_driver {
char *name;
+ char *(*nodename)(struct device *dev);
const struct file_operations *fops;
int minor_base;
};
* @setup_dma: For control transfers with URB_NO_SETUP_DMA_MAP set, the
* device driver has provided this DMA address for the setup packet.
* The host controller driver should use this in preference to
- * setup_packet.
+ * setup_packet, but the HCD may chose to ignore the address if it must
+ * copy the setup packet into internal structures. Therefore, setup_packet
+ * must always point to a valid buffer.
* @start_frame: Returns the initial frame for isochronous transfers.
* @number_of_packets: Lists the number of ISO transfer buffers.
* @interval: Specifies the polling interval for interrupt or isochronous
struct kref kref; /* reference count of the URB */
void *hcpriv; /* private data for host controller */
atomic_t use_count; /* concurrent submissions counter */
- u8 reject; /* submissions will fail */
+ atomic_t reject; /* submissions will fail */
int unlinked; /* unlink error code */
/* public: documented fields in the urb that can be used by drivers */
unsigned int transfer_flags; /* (in) URB_SHORT_NOT_OK | ...*/
void *transfer_buffer; /* (in) associated data buffer */
dma_addr_t transfer_dma; /* (in) dma addr for transfer_buffer */
- int transfer_buffer_length; /* (in) data buffer length */
- int actual_length; /* (return) actual transfer length */
+ struct usb_sg_request *sg; /* (in) scatter gather buffer list */
+ int num_sgs; /* (in) number of entries in the sg list */
+ u32 transfer_buffer_length; /* (in) data buffer length */
+ u32 actual_length; /* (return) actual transfer length */
unsigned char *setup_packet; /* (in) setup packet (control only) */
dma_addr_t setup_dma; /* (in) dma addr for setup_packet */
int start_frame; /* (modify) start frame (ISO) */
extern void usb_unpoison_urb(struct urb *urb);
extern void usb_kill_anchored_urbs(struct usb_anchor *anchor);
extern void usb_poison_anchored_urbs(struct usb_anchor *anchor);
+extern void usb_unpoison_anchored_urbs(struct usb_anchor *anchor);
extern void usb_unlink_anchored_urbs(struct usb_anchor *anchor);
extern void usb_anchor_urb(struct urb *urb, struct usb_anchor *anchor);
extern void usb_unanchor_urb(struct urb *urb);
extern int usb_clear_halt(struct usb_device *dev, int pipe);
extern int usb_reset_configuration(struct usb_device *dev);
extern int usb_set_interface(struct usb_device *dev, int ifnum, int alternate);
+extern void usb_reset_endpoint(struct usb_device *dev, unsigned int epaddr);
/* this request isn't really synchronous, but it belongs with the others */
extern int usb_driver_set_configuration(struct usb_device *udev, int config);
int status;
size_t bytes;
- /*
- * members below are private: to usbcore,
+ /* private:
+ * members below are private to usbcore,
* and are not provided for driver access!
*/
spinlock_t lock;
#define usb_pipecontrol(pipe) (usb_pipetype((pipe)) == PIPE_CONTROL)
#define usb_pipebulk(pipe) (usb_pipetype((pipe)) == PIPE_BULK)
-/* The D0/D1 toggle bits ... USE WITH CAUTION (they're almost hcd-internal) */
-#define usb_gettoggle(dev, ep, out) (((dev)->toggle[out] >> (ep)) & 1)
-#define usb_dotoggle(dev, ep, out) ((dev)->toggle[out] ^= (1 << (ep)))
-#define usb_settoggle(dev, ep, out, bit) \
- ((dev)->toggle[out] = ((dev)->toggle[out] & ~(1 << (ep))) | \
- ((bit) << (ep)))
-
-
static inline unsigned int __create_pipe(struct usb_device *dev,
unsigned int endpoint)
{
#define err(format, arg...) printk(KERN_ERR KBUILD_MODNAME ": " \
format "\n" , ## arg)
-#define info(format, arg...) printk(KERN_INFO KBUILD_MODNAME ": " \
- format "\n" , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING KBUILD_MODNAME ": " \
- format "\n" , ## arg)
+
+/* debugfs stuff */
+extern struct dentry *usb_debug_root;
#endif /* __KERNEL__ */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff