struct usb_device;
struct usb_driver;
+struct wusb_dev;
/*-------------------------------------------------------------------------*/
* (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
+ * @unregistering: flag set when the interface is being unregistered
* @needs_remote_wakeup: flag set when the driver requires remote-wakeup
* capability during autosuspend.
+ * @needs_altsetting0: flag set when a set-interface request for altsetting 0
+ * has been deferred.
+ * @needs_binding: flag set when the driver should be re-probed or unbound
+ * following a reset or suspend operation it doesn't support.
* @dev: driver model's view of this device
* @usb_dev: if an interface is bound to the USB major, this will point
* to the sysfs representation for that device.
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 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 */
struct device dev; /* interface specific device info */
struct device *usb_dev;
struct usb_bus {
struct device *controller; /* host/master side hardware */
int busnum; /* Bus number (in order of reg) */
- char *bus_name; /* stable id (PCI slot_name etc) */
+ const char *bus_name; /* stable id (PCI slot_name etc) */
u8 uses_dma; /* Does the host controller use DMA? */
u8 otg_port; /* 0, or number of OTG/HNP port */
unsigned is_b_host:1; /* true during some HNP roleswitches */
struct usb_tt;
-/*
+/**
* struct usb_device - kernel's representation of a USB device
- *
- * FIXME: Write the kerneldoc!
- *
+ * @devnum: device number; address on a USB bus
+ * @devpath: device ID string for use in messages (e.g., /port/...)
+ * @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
+ * @ttport: device port on that tt hub
+ * @toggle: one bit for each endpoint, with ([0] = IN, [1] = OUT) endpoints
+ * @parent: our hub, unless we're the root
+ * @bus: bus we're part of
+ * @ep0: endpoint 0 data (default control pipe)
+ * @dev: generic device interface
+ * @descriptor: USB device descriptor
+ * @config: all of the device's configs
+ * @actconfig: the active configuration
+ * @ep_in: array of IN endpoints
+ * @ep_out: array of OUT endpoints
+ * @rawdescriptors: raw descriptors for each config
+ * @bus_mA: Current available from the bus
+ * @portnum: parent port number (origin 1)
+ * @level: number of USB hub ancestors
+ * @can_submit: URBs may be submitted
+ * @discon_suspended: disconnected while suspended
+ * @persist_enabled: USB_PERSIST enabled for this device
+ * @have_langid: whether string_langid is valid
+ * @authorized: policy has said we can use it;
+ * (user space) policy determines if we authorize this device to be
+ * used or not. By default, wired USB devices are authorized.
+ * WUSB devices are not, until we authorize them from user space.
+ * FIXME -- complete doc
+ * @authenticated: Crypto authentication passed
+ * @wusb: device is Wireless USB
+ * @string_langid: language ID for strings
+ * @product: iProduct string, if present (static)
+ * @manufacturer: iManufacturer string, if present (static)
+ * @serial: iSerialNumber string, if present (static)
+ * @filelist: usbfs files that are open to this device
+ * @usb_classdev: USB class device that was created for usbfs device
+ * access from userspace
+ * @usbfs_dentry: usbfs dentry entry for the device
+ * @maxchild: number of ports if hub
+ * @children: child devices - USB devices that are attached to this hub
+ * @pm_usage_cnt: usage counter for autosuspend
+ * @quirks: quirks of the whole device
+ * @urbnum: number of URBs submitted for the whole device
+ * @active_duration: total time device is not suspended
+ * @autosuspend: for delayed autosuspends
+ * @pm_mutex: protects PM operations
+ * @last_busy: time of last use
+ * @autosuspend_delay: in jiffies
+ * @connect_time: time device was first connected
+ * @auto_pm: autosuspend/resume in progress
+ * @do_remote_wakeup: remote wakeup should be enabled
+ * @reset_resume: needs reset instead of resume
+ * @autosuspend_disabled: autosuspend disabled by the user
+ * @autoresume_disabled: autoresume disabled by the user
+ * @skip_sys_resume: skip the next system resume
+ *
+ * Notes:
* Usbcore drivers should not set usbdev->state directly. Instead use
* usb_set_device_state().
- *
- * @authorized: (user space) policy determines if we authorize this
- * device to be used or not. By default, wired USB
- * devices are authorized. WUSB devices are not, until we
- * authorize them from user space. FIXME -- complete doc
*/
struct usb_device {
- int devnum; /* Address on USB bus */
- char devpath [16]; /* Use in messages: /port/port/... */
- enum usb_device_state state; /* configured, not attached, etc */
- enum usb_device_speed speed; /* high/full/low (or error) */
+ int devnum;
+ char devpath [16];
+ enum usb_device_state state;
+ enum usb_device_speed speed;
- struct usb_tt *tt; /* low/full speed dev, highspeed hub */
- int ttport; /* device port on that tt hub */
+ struct usb_tt *tt;
+ int ttport;
- unsigned int toggle[2]; /* one bit for each endpoint
- * ([0] = IN, [1] = OUT) */
+ unsigned int toggle[2];
- struct usb_device *parent; /* our hub, unless we're the root */
- struct usb_bus *bus; /* Bus we're part of */
+ struct usb_device *parent;
+ struct usb_bus *bus;
struct usb_host_endpoint ep0;
- struct device dev; /* Generic device interface */
+ struct device dev;
- struct usb_device_descriptor descriptor;/* Descriptor */
- struct usb_host_config *config; /* All of the configs */
+ struct usb_device_descriptor descriptor;
+ struct usb_host_config *config;
- struct usb_host_config *actconfig;/* the active configuration */
+ struct usb_host_config *actconfig;
struct usb_host_endpoint *ep_in[16];
struct usb_host_endpoint *ep_out[16];
- char **rawdescriptors; /* Raw descriptors for each config */
+ char **rawdescriptors;
- unsigned short bus_mA; /* Current available from the bus */
- u8 portnum; /* Parent port number (origin 1) */
- u8 level; /* Number of USB hub ancestors */
+ unsigned short bus_mA;
+ u8 portnum;
+ u8 level;
- unsigned can_submit:1; /* URBs may be submitted */
- unsigned discon_suspended:1; /* Disconnected while suspended */
- unsigned persist_enabled:1; /* USB_PERSIST enabled for this dev */
- unsigned have_langid:1; /* whether string_langid is valid */
- unsigned authorized:1; /* Policy has said we can use it */
- unsigned wusb:1; /* Device is Wireless USB */
- int string_langid; /* language ID for strings */
+ unsigned can_submit:1;
+ unsigned discon_suspended:1;
+ unsigned persist_enabled:1;
+ unsigned have_langid:1;
+ unsigned authorized:1;
+ unsigned authenticated:1;
+ unsigned wusb:1;
+ int string_langid;
/* static strings from the device */
- char *product; /* iProduct string, if present */
- char *manufacturer; /* iManufacturer string, if present */
- char *serial; /* iSerialNumber string, if present */
+ char *product;
+ char *manufacturer;
+ char *serial;
struct list_head filelist;
#ifdef CONFIG_USB_DEVICE_CLASS
struct device *usb_classdev;
#endif
#ifdef CONFIG_USB_DEVICEFS
- struct dentry *usbfs_dentry; /* usbfs dentry entry for the device */
+ struct dentry *usbfs_dentry;
#endif
- /*
- * Child devices - these can be either new devices
- * (if this is a hub device), or different instances
- * of this same device.
- *
- * Each instance needs its own set of data structures.
- */
- int maxchild; /* Number of ports if hub */
+ int maxchild;
struct usb_device *children[USB_MAXCHILDREN];
- int pm_usage_cnt; /* usage counter for autosuspend */
- u32 quirks; /* quirks of the whole device */
- atomic_t urbnum; /* number of URBs submitted for
- the whole device */
+ int pm_usage_cnt;
+ u32 quirks;
+ atomic_t urbnum;
- unsigned long active_duration; /* total time device is not suspended */
+ unsigned long active_duration;
#ifdef CONFIG_PM
- struct delayed_work autosuspend; /* for delayed autosuspends */
- struct mutex pm_mutex; /* protects PM operations */
-
- unsigned long last_busy; /* time of last use */
- int autosuspend_delay; /* in jiffies */
- unsigned long connect_time; /* time device was first connected */
-
- unsigned auto_pm:1; /* autosuspend/resume in progress */
- unsigned do_remote_wakeup:1; /* remote wakeup should be enabled */
- unsigned reset_resume:1; /* needs reset instead of resume */
- unsigned autosuspend_disabled:1; /* autosuspend and autoresume */
- unsigned autoresume_disabled:1; /* disabled by the user */
- unsigned skip_sys_resume:1; /* skip the next system resume */
+ struct delayed_work autosuspend;
+ struct mutex pm_mutex;
+
+ unsigned long last_busy;
+ int autosuspend_delay;
+ unsigned long connect_time;
+
+ unsigned auto_pm:1;
+ unsigned do_remote_wakeup:1;
+ unsigned reset_resume:1;
+ unsigned autosuspend_disabled:1;
+ unsigned autoresume_disabled:1;
+ unsigned skip_sys_resume:1;
#endif
+ struct wusb_dev *wusb_dev;
};
#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 int usb_reset_composite_device(struct usb_device *dev,
- struct usb_interface *iface);
extern struct usb_device *usb_find_device(u16 vendor_id, u16 product_id);
* and should normally be the same as the module name.
* @probe: Called to see if the driver is willing to manage a particular
* interface on a device. If it is, probe returns zero and uses
- * dev_set_drvdata() to associate driver-specific data with the
+ * usb_set_intfdata() to associate driver-specific data with the
* interface. It may also use usb_set_interface() to specify the
* appropriate altsetting. If unwilling to manage the interface,
- * return a negative errno value.
+ * return -ENODEV, if genuine IO errors occured, an appropriate
+ * negative errno value.
* @disconnect: Called when the interface is no longer accessible, usually
* because its device has been (or is being) disconnected or the
* driver module is being unloaded.
* @resume: Called when the device is being resumed by the system.
* @reset_resume: Called when the suspended device has been reset instead
* of being resumed.
- * @pre_reset: Called by usb_reset_composite_device() when the device
+ * @pre_reset: Called by usb_reset_device() when the device
* is about to be reset.
- * @post_reset: Called by usb_reset_composite_device() after the device
- * has been reset, or in lieu of @resume following a reset-resume
- * (i.e., the device is reset instead of being resumed, as might
- * happen if power was lost). The second argument tells which is
- * the reason.
+ * @post_reset: Called by usb_reset_device() after the device
+ * has been reset
* @id_table: USB drivers use ID table to support hotplugging.
* Export this with MODULE_DEVICE_TABLE(usb,...). This must be set
* or your driver's probe function will never get called.
* added to this driver by preventing the sysfs file from being created.
* @supports_autosuspend: if set to 0, the USB core will not allow autosuspend
* for interfaces bound to this driver.
+ * @soft_unbind: if set to 1, the USB core will not kill URBs and disable
+ * endpoints before calling the driver's disconnect method.
*
* USB interface drivers must provide a name, probe() and disconnect()
* methods, and an id_table. Other driver fields are optional.
struct usbdrv_wrap drvwrap;
unsigned int no_dynamic_id:1;
unsigned int supports_autosuspend:1;
+ unsigned int soft_unbind:1;
};
#define to_usb_driver(d) container_of(d, struct usb_driver, drvwrap.driver)
struct list_head urb_list;
wait_queue_head_t wait;
spinlock_t lock;
+ unsigned int poisoned:1;
};
static inline void init_usb_anchor(struct usb_anchor *anchor)
extern int usb_submit_urb(struct urb *urb, gfp_t mem_flags);
extern int usb_unlink_urb(struct urb *urb);
extern void usb_kill_urb(struct urb *urb);
+extern void usb_poison_urb(struct urb *urb);
+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_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_wait_anchor_empty_timeout(struct usb_anchor *anchor,
unsigned int timeout);
+extern struct urb *usb_get_from_anchor(struct usb_anchor *anchor);
+extern void usb_scuttle_anchored_urbs(struct usb_anchor *anchor);
+extern int usb_anchor_empty(struct usb_anchor *anchor);
/**
* usb_urb_dir_in - check if an URB describes an IN transfer
#define dbg(format, arg...) do {} while (0)
#endif
-#define err(format, arg...) printk(KERN_ERR "%s: " format "\n" , \
- __FILE__ , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format "\n" , \
- __FILE__ , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n" , \
- __FILE__ , ## arg)
-
+#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)
#endif /* __KERNEL__ */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff