usb/gadget/f_mass_storage.c

293 struct fsg_common {  struct
294 	struct usb_gadget	*gadget;
295 	struct fsg_dev		*fsg, *new_fsg;
297 	struct usb_ep		*ep0;		/* Copy of gadget->ep0 */
298 	struct usb_request	*ep0req;	/* Copy of cdev->req */
299 	unsigned int		ep0_req_tag;
301 	struct fsg_buffhd	*next_buffhd_to_fill;
302 	struct fsg_buffhd	*next_buffhd_to_drain;
303 	struct fsg_buffhd	buffhds[FSG_NUM_BUFFERS];
305 	int			cmnd_size;
306 	u8			cmnd[MAX_COMMAND_SIZE];
308 	unsigned int		nluns;
309 	unsigned int		lun;
310 	struct fsg_lun          luns[FSG_MAX_LUNS];
312 	unsigned int		bulk_out_maxpacket;
313 	enum fsg_state		state;		/* For exception handling */
314 	unsigned int		exception_req_tag;
316 	enum data_direction	data_dir;
317 	u32			data_size;
318 	u32			data_size_from_cmnd;
319 	u32			tag;
320 	u32			residue;
321 	u32			usb_amount_left;
322 	u32			usb_trb_size;	/* usb transfer size */
324 	unsigned int		can_stall:1;
325 	unsigned int		free_storage_on_release:1;
326 	unsigned int		phase_error:1;
327 	unsigned int		short_packet_received:1;
328 	unsigned int		bad_lun_okay:1;
329 	unsigned int		running:1;
331 	int			thread_wakeup_needed;
332 	struct completion	thread_notifier;
333 	struct task_struct	*thread_task;
336 	const struct fsg_operations	*ops;
338 	void			*private_data;
340 	const char *vendor_name;		/*  8 characters or less */
341 	const char *product_name;		/* 16 characters or less */
342 	u16 release;
346 	char inquiry_string[8 + 16 + 4 + 1];
348 	struct kref		ref;
2817 	struct fsg_common *fsg_common;  in fsg_add()  local