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Diffstat (limited to 'include/linux/usb.h')
-rw-r--r--include/linux/usb.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 7f6eb859873e..6b7ec376fb4d 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -57,6 +57,7 @@ struct ep_device;
* @extra: descriptors following this endpoint in the configuration
* @extralen: how many bytes of "extra" are valid
* @enabled: URBs may be submitted to this endpoint
+ * @streams: number of USB-3 streams allocated on the endpoint
*
* USB requests are always queued to a given endpoint, identified by a
* descriptor within an active interface in a given USB configuration.
@@ -71,6 +72,7 @@ struct usb_host_endpoint {
unsigned char *extra; /* Extra descriptors */
int extralen;
int enabled;
+ int streams;
};
/* host-side wrapper for one interface setting's parsed descriptors */
@@ -202,6 +204,8 @@ static inline void usb_set_intfdata(struct usb_interface *intf, void *data)
struct usb_interface *usb_get_intf(struct usb_interface *intf);
void usb_put_intf(struct usb_interface *intf);
+/* Hard limit */
+#define USB_MAXENDPOINTS 30
/* this maximum is arbitrary */
#define USB_MAXINTERFACES 32
#define USB_MAXIADS (USB_MAXINTERFACES/2)
@@ -366,6 +370,8 @@ struct usb_bus {
#endif
};
+struct usb_dev_state;
+
/* ----------------------------------------------------------------------- */
struct usb_tt;
@@ -749,6 +755,11 @@ extern struct usb_host_interface *usb_find_alt_setting(
unsigned int iface_num,
unsigned int alt_num);
+/* port claiming functions */
+int usb_hub_claim_port(struct usb_device *hdev, unsigned port1,
+ struct usb_dev_state *owner);
+int usb_hub_release_port(struct usb_device *hdev, unsigned port1,
+ struct usb_dev_state *owner);
/**
* usb_make_path - returns stable device path in the usb tree
@@ -1666,6 +1677,10 @@ 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);
+/* choose and set configuration for device */
+extern int usb_choose_configuration(struct usb_device *udev);
+extern int usb_set_configuration(struct usb_device *dev, int configuration);
+
/*
* timeouts, in milliseconds, used for sending/receiving control messages
* they typically complete within a few frames (msec) after they're issued