usb/serial/io_edgeport.c

194 struct edgeport_serial {  struct
195 	char			name[MAX_NAME_LEN+2];		/* string name of this device */
197 	struct edge_manuf_descriptor	manuf_descriptor;	/* the manufacturer descriptor */
198 	struct edge_boot_descriptor	boot_descriptor;	/* the boot firmware descriptor */
199 	struct edgeport_product_info	product_info;		/* Product Info */
200 	struct edge_compatibility_descriptor epic_descriptor;	/* Edgeport compatible descriptor */
201 	int			is_epic;			/* flag if EPiC device or not */
203 	__u8			interrupt_in_endpoint;		/* the interrupt endpoint handle */
204 	unsigned char		*interrupt_in_buffer;		/* the buffer we use for the interrupt endpoint */
205 	struct urb		*interrupt_read_urb;		/* our interrupt urb */
207 	__u8			bulk_in_endpoint;		/* the bulk in endpoint handle */
208 	unsigned char		*bulk_in_buffer;		/* the buffer we use for the bulk in endpoint */
209 	struct urb		*read_urb;			/* our bulk read urb */
210 	bool			read_in_progress;
211 	spinlock_t		es_lock;
213 	__u8			bulk_out_endpoint;		/* the bulk out endpoint handle */
215 	__s16			rxBytesAvail;			/* the number of bytes that we need to read from this device */
217 	enum RXSTATE		rxState;			/* the current state of the bulk receive processor */
218 	__u8			rxHeader1;			/* receive header byte 1 */
219 	__u8			rxHeader2;			/* receive header byte 2 */
220 	__u8			rxHeader3;			/* receive header byte 3 */
221 	__u8			rxPort;				/* the port that we are currently receiving data for */
222 	__u8			rxStatusCode;			/* the receive status code */
223 	__u8			rxStatusParam;			/* the receive status parameter */
224 	__s16			rxBytesRemaining;		/* the number of port bytes left to read */
225 	struct usb_serial	*serial;			/* loop back to the owner of this object */