include/linux/usb.h

40  *  - a SuperSpeed endpoint has a companion descriptor
50  * struct usb_host_endpoint - host-side endpoint descriptor and queue
51  * @desc: descriptor for this endpoint, wMaxPacketSize in native byteorder
52  * @ss_ep_comp: SuperSpeed companion descriptor for this endpoint
53  * @ssp_isoc_ep_comp: SuperSpeedPlus isoc companion descriptor for this endpoint
54  * @urb_list: urbs queued to this endpoint; maintained by usbcore
58  * @extra: descriptors following this endpoint in the configuration
60  * @enabled: URBs may be submitted to this endpoint
61  * @streams: number of USB-3 streams allocated on the endpoint
63  * USB requests are always queued to a given endpoint, identified by a
90 	struct usb_host_endpoint *endpoint;
182  *	endpoint configurations.  They will be in no particular order.
195  * @ep_devs_created: endpoint child pseudo-devices exist
221  * or by a product's vendor.  The (default) control endpoint is part of
258 	unsigned ep_devs_created:1;	/* endpoint "devices" exist */
342  *	set of endpoint configurations.  They will be in no particular order.
587  * @toggle: one bit for each endpoint, with ([0] = IN, [1] = OUT) endpoints
590  * @ep0: endpoint 0 data (default control pipe)
1415  * @ep: Points to the endpoint's data structure.  Will eventually
1417  * @pipe: Holds endpoint number, direction, type, and more.
1419  *	usb_{snd,rcv}TYPEpipe(dev,endpoint), where the TYPE is "ctrl"
1422  *	numbers range from zero to fifteen.  Note that "in" endpoint two
1423  *	is a different endpoint (and pipe) from "out" endpoint two.
1425  *	maximum packet size of any given endpoint.
1426  * @stream_id: the endpoint's stream ID for bulk streams
1447  * 	the list (except the last) must be divisible by the endpoint's
1453  *	size for the endpoint, which is a function of the configuration
1541  * the transfer interval in the endpoint descriptor is logarithmic.
1544  * If an isochronous endpoint queue isn't already running, the host
1607 	struct usb_host_endpoint *ep;	/* (internal) pointer to endpoint */
1638  * @pipe: the endpoint pipe
1681  * @pipe: the endpoint pipe
1714  * @pipe: the endpoint pipe
1721  *	the endpoint descriptor's bInterval value.
1730  * encoding of the endpoint interval, and express polling intervals in
1835 int usb_control_msg_send(struct usb_device *dev, __u8 endpoint, __u8 request,
1839 int usb_control_msg_recv(struct usb_device *dev, __u8 endpoint, __u8 request,
1902  * on the endpoint.
1942  * a struct usb_device to identify an endpoint queue.  Queue characteristics
1943  * are defined by the endpoint's descriptor.  This cookie is called a "pipe",
1948  *					like endpoint bEndpointAddress)
1950  *  - endpoint:		bits 15-18      ... bit positions known to uhci-hcd
1954  * Given the device address and endpoint descriptor, pipes are redundant.
1977 		unsigned int endpoint)
1979 	return (dev->devnum << 8) | (endpoint << 15);
1983 #define usb_sndctrlpipe(dev, endpoint)	\
1984 	((PIPE_CONTROL << 30) | __create_pipe(dev, endpoint))
1985 #define usb_rcvctrlpipe(dev, endpoint)	\
1986 	((PIPE_CONTROL << 30) | __create_pipe(dev, endpoint) | USB_DIR_IN)
1987 #define usb_sndisocpipe(dev, endpoint)	\
1988 	((PIPE_ISOCHRONOUS << 30) | __create_pipe(dev, endpoint))
1989 #define usb_rcvisocpipe(dev, endpoint)	\
1990 	((PIPE_ISOCHRONOUS << 30) | __create_pipe(dev, endpoint) | USB_DIR_IN)
1991 #define usb_sndbulkpipe(dev, endpoint)	\
1992 	((PIPE_BULK << 30) | __create_pipe(dev, endpoint))
1993 #define usb_rcvbulkpipe(dev, endpoint)	\
1994 	((PIPE_BULK << 30) | __create_pipe(dev, endpoint) | USB_DIR_IN)
1995 #define usb_sndintpipe(dev, endpoint)	\
1996 	((PIPE_INTERRUPT << 30) | __create_pipe(dev, endpoint))
1997 #define usb_rcvintpipe(dev, endpoint)	\
1998 	((PIPE_INTERRUPT << 30) | __create_pipe(dev, endpoint) | USB_DIR_IN)