xref: /freebsd/sys/dev/usb/usbdi.h (revision 911f0260390e18cf85f3dbf2c719b593efdc1e3c)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2009 Andrew Thompson
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 #ifndef _USB_USBDI_H_
29 #define _USB_USBDI_H_
30 
31 struct usb_fifo;
32 struct usb_xfer;
33 struct usb_device;
34 struct usb_attach_arg;
35 struct usb_interface;
36 struct usb_endpoint;
37 struct usb_page_cache;
38 struct usb_page_search;
39 struct usb_process;
40 struct usb_proc_msg;
41 struct usb_mbuf;
42 struct usb_fs_privdata;
43 struct mbuf;
44 
45 typedef enum {	/* keep in sync with usb_errstr_table */
46 	USB_ERR_NORMAL_COMPLETION = 0,
47 	USB_ERR_PENDING_REQUESTS,	/* 1 */
48 	USB_ERR_NOT_STARTED,		/* 2 */
49 	USB_ERR_INVAL,			/* 3 */
50 	USB_ERR_NOMEM,			/* 4 */
51 	USB_ERR_CANCELLED,		/* 5 */
52 	USB_ERR_BAD_ADDRESS,		/* 6 */
53 	USB_ERR_BAD_BUFSIZE,		/* 7 */
54 	USB_ERR_BAD_FLAG,		/* 8 */
55 	USB_ERR_NO_CALLBACK,		/* 9 */
56 	USB_ERR_IN_USE,			/* 10 */
57 	USB_ERR_NO_ADDR,		/* 11 */
58 	USB_ERR_NO_PIPE,		/* 12 */
59 	USB_ERR_ZERO_NFRAMES,		/* 13 */
60 	USB_ERR_ZERO_MAXP,		/* 14 */
61 	USB_ERR_SET_ADDR_FAILED,	/* 15 */
62 	USB_ERR_NO_POWER,		/* 16 */
63 	USB_ERR_TOO_DEEP,		/* 17 */
64 	USB_ERR_IOERROR,		/* 18 */
65 	USB_ERR_NOT_CONFIGURED,		/* 19 */
66 	USB_ERR_TIMEOUT,		/* 20 */
67 	USB_ERR_SHORT_XFER,		/* 21 */
68 	USB_ERR_STALLED,		/* 22 */
69 	USB_ERR_INTERRUPTED,		/* 23 */
70 	USB_ERR_DMA_LOAD_FAILED,	/* 24 */
71 	USB_ERR_BAD_CONTEXT,		/* 25 */
72 	USB_ERR_NO_ROOT_HUB,		/* 26 */
73 	USB_ERR_NO_INTR_THREAD,		/* 27 */
74 	USB_ERR_NOT_LOCKED,		/* 28 */
75 	USB_ERR_MAX
76 } usb_error_t;
77 
78 /*
79  * Flags for transfers
80  */
81 #define	USB_FORCE_SHORT_XFER	0x0001	/* force a short transmit last */
82 #define	USB_SHORT_XFER_OK	0x0004	/* allow short reads */
83 #define	USB_DELAY_STATUS_STAGE	0x0010	/* insert delay before STATUS stage */
84 #define	USB_USER_DATA_PTR	0x0020	/* internal flag */
85 #define	USB_MULTI_SHORT_OK	0x0040	/* allow multiple short frames */
86 #define	USB_MANUAL_STATUS	0x0080	/* manual ctrl status */
87 
88 #define	USB_NO_TIMEOUT 0
89 #define	USB_DEFAULT_TIMEOUT 5000	/* 5000 ms = 5 seconds */
90 
91 #if defined(_KERNEL) || defined(_STANDALONE)
92 /* typedefs */
93 
94 typedef void (usb_callback_t)(struct usb_xfer *, usb_error_t);
95 typedef void (usb_proc_callback_t)(struct usb_proc_msg *);
96 typedef usb_error_t (usb_handle_req_t)(struct usb_device *,
97     struct usb_device_request *, const void **, uint16_t *);
98 
99 typedef int (usb_fifo_open_t)(struct usb_fifo *fifo, int fflags);
100 typedef void (usb_fifo_close_t)(struct usb_fifo *fifo, int fflags);
101 typedef int (usb_fifo_ioctl_t)(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags);
102 typedef void (usb_fifo_cmd_t)(struct usb_fifo *fifo);
103 typedef void (usb_fifo_filter_t)(struct usb_fifo *fifo, struct usb_mbuf *m);
104 
105 /* USB events */
106 #ifndef USB_GLOBAL_INCLUDE_FILE
107 #include <sys/_eventhandler.h>
108 #endif
109 typedef void (*usb_dev_configured_t)(void *, struct usb_device *,
110     struct usb_attach_arg *);
111 EVENTHANDLER_DECLARE(usb_dev_configured, usb_dev_configured_t);
112 
113 /*
114  * The following macros are used used to convert milliseconds into
115  * HZ. We use 1024 instead of 1000 milliseconds per second to save a
116  * full division.
117  */
118 #define	USB_MS_HZ 1024
119 
120 #define	USB_MS_TO_TICKS(ms) \
121   (((uint32_t)((((uint32_t)(ms)) * ((uint32_t)(hz))) + USB_MS_HZ - 1)) / USB_MS_HZ)
122 
123 /*
124  * Common queue structure for USB transfers.
125  */
126 struct usb_xfer_queue {
127 	TAILQ_HEAD(, usb_xfer) head;
128 	struct usb_xfer *curr;		/* current USB transfer processed */
129 	void    (*command) (struct usb_xfer_queue *pq);
130 	uint8_t	recurse_1:1;
131 	uint8_t	recurse_2:1;
132 	uint8_t	recurse_3:1;
133 	uint8_t	reserved:5;
134 };
135 
136 /*
137  * The following structure defines an USB endpoint
138  * USB endpoint.
139  */
140 struct usb_endpoint {
141 	/* queue of USB transfers */
142 	struct usb_xfer_queue endpoint_q[USB_MAX_EP_STREAMS];
143 
144 	struct usb_endpoint_descriptor *edesc;
145 	struct usb_endpoint_ss_comp_descriptor *ecomp;
146 	const struct usb_pipe_methods *methods;	/* set by HC driver */
147 
148 	uint16_t isoc_next;
149 
150 	uint8_t	toggle_next:1;		/* next data toggle value */
151 	uint8_t	is_stalled:1;		/* set if endpoint is stalled */
152 	uint8_t	is_synced:1;		/* set if we a synchronised */
153 	uint8_t	unused:5;
154 	uint8_t	iface_index;		/* not used by "default endpoint" */
155 
156 	uint8_t refcount_alloc;		/* allocation refcount */
157 	uint8_t refcount_bw;		/* bandwidth refcount */
158 #define	USB_EP_REF_MAX 0x3f
159 
160 	/* High-Speed resource allocation (valid if "refcount_bw" > 0) */
161 
162 	uint8_t	usb_smask;		/* USB start mask */
163 	uint8_t	usb_cmask;		/* USB complete mask */
164 	uint8_t	usb_uframe;		/* USB microframe */
165 
166 	/* USB endpoint mode, see USB_EP_MODE_XXX */
167 
168 	uint8_t ep_mode;
169 };
170 
171 /*
172  * The following structure defines an USB interface.
173  */
174 struct usb_interface {
175 	struct usb_interface_descriptor *idesc;
176 	device_t subdev;
177 	/* Total number of alternate settings, from 1 to 256 */
178 	uint16_t num_altsetting;
179 	/* Current alternate interface index, from 0 to 255 */
180 	uint8_t	alt_index;
181 	uint8_t	parent_iface_index;
182 
183 	/* Linux compat */
184 	struct usb_host_interface *altsetting;
185 	struct usb_host_interface *cur_altsetting;
186 	struct usb_device *linux_udev;
187 	void   *bsd_priv_sc;		/* device specific information */
188 	char   *pnpinfo;		/* additional PnP-info for this interface */
189 	uint8_t	bsd_iface_index;
190 };
191 
192 /*
193  * The following structure defines a set of USB transfer flags.
194  */
195 struct usb_xfer_flags {
196 	uint8_t	force_short_xfer:1;	/* force a short transmit transfer
197 					 * last */
198 	uint8_t	short_xfer_ok:1;	/* allow short receive transfers */
199 	uint8_t	short_frames_ok:1;	/* allow short frames */
200 	uint8_t	pipe_bof:1;		/* block pipe on failure */
201 	uint8_t	proxy_buffer:1;		/* makes buffer size a factor of
202 					 * "max_frame_size" */
203 	uint8_t	ext_buffer:1;		/* uses external DMA buffer */
204 	uint8_t	manual_status:1;	/* non automatic status stage on
205 					 * control transfers */
206 	uint8_t	no_pipe_ok:1;		/* set if "USB_ERR_NO_PIPE" error can
207 					 * be ignored */
208 	uint8_t	stall_pipe:1;		/* set if the endpoint belonging to
209 					 * this USB transfer should be stalled
210 					 * before starting this transfer! */
211 	uint8_t pre_scale_frames:1;	/* "usb_config->frames" is
212 					 * assumed to give the
213 					 * buffering time in
214 					 * milliseconds and is
215 					 * converted into the nearest
216 					 * number of frames when the
217 					 * USB transfer is setup. This
218 					 * option only has effect for
219 					 * ISOCHRONOUS transfers.
220 					 */
221 	uint8_t send_zlp:1;		/* send a zero length packet first */
222 };
223 
224 /*
225  * The following structure define an USB configuration, that basically
226  * is used when setting up an USB transfer.
227  */
228 struct usb_config {
229 	usb_callback_t *callback;	/* USB transfer callback */
230 	usb_frlength_t bufsize;	/* total pipe buffer size in bytes */
231 	usb_frcount_t frames;		/* maximum number of USB frames */
232 	usb_timeout_t interval;	/* interval in milliseconds */
233 #define	USB_DEFAULT_INTERVAL	0
234 	usb_timeout_t timeout;		/* transfer timeout in milliseconds */
235 	struct usb_xfer_flags flags;	/* transfer flags */
236 	usb_stream_t stream_id;		/* USB3.0 specific */
237 	enum usb_hc_mode usb_mode;	/* host or device mode */
238 	uint8_t	type;			/* pipe type */
239 	uint8_t	endpoint;		/* pipe number */
240 	uint8_t	direction;		/* pipe direction */
241 	uint8_t	ep_index;		/* pipe index match to use */
242 	uint8_t	if_index;		/* "ifaces" index to use */
243 };
244 
245 /*
246  * Use these macro when defining USB device ID arrays if you want to
247  * have your driver module automatically loaded in host, device or
248  * both modes respectively:
249  */
250 #if USB_HAVE_ID_SECTION
251 #define	STRUCT_USB_HOST_ID \
252     struct usb_device_id __section("usb_host_id")
253 #define	STRUCT_USB_DEVICE_ID \
254     struct usb_device_id __section("usb_device_id")
255 #define	STRUCT_USB_DUAL_ID \
256     struct usb_device_id __section("usb_dual_id")
257 #else
258 #define	STRUCT_USB_HOST_ID \
259     struct usb_device_id
260 #define	STRUCT_USB_DEVICE_ID \
261     struct usb_device_id
262 #define	STRUCT_USB_DUAL_ID \
263     struct usb_device_id
264 #endif			/* USB_HAVE_ID_SECTION */
265 
266 /*
267  * The following structure is used when looking up an USB driver for
268  * an USB device. It is inspired by the Linux structure called
269  * "usb_device_id".
270  */
271 struct usb_device_id {
272 	/* Select which fields to match against */
273 #if BYTE_ORDER == LITTLE_ENDIAN
274 	uint16_t
275 		match_flag_vendor:1,
276 		match_flag_product:1,
277 		match_flag_dev_lo:1,
278 		match_flag_dev_hi:1,
279 
280 		match_flag_dev_class:1,
281 		match_flag_dev_subclass:1,
282 		match_flag_dev_protocol:1,
283 		match_flag_int_class:1,
284 
285 		match_flag_int_subclass:1,
286 		match_flag_int_protocol:1,
287 		match_flag_unused:6;
288 #else
289 	uint16_t
290 		match_flag_unused:6,
291 		match_flag_int_protocol:1,
292 		match_flag_int_subclass:1,
293 
294 		match_flag_int_class:1,
295 		match_flag_dev_protocol:1,
296 		match_flag_dev_subclass:1,
297 		match_flag_dev_class:1,
298 
299 		match_flag_dev_hi:1,
300 		match_flag_dev_lo:1,
301 		match_flag_product:1,
302 		match_flag_vendor:1;
303 #endif
304 
305 	/* Used for product specific matches; the BCD range is inclusive */
306 	uint16_t idVendor;
307 	uint16_t idProduct;
308 	uint16_t bcdDevice_lo;
309 	uint16_t bcdDevice_hi;
310 
311 	/* Used for device class matches */
312 	uint8_t	bDeviceClass;
313 	uint8_t	bDeviceSubClass;
314 	uint8_t	bDeviceProtocol;
315 
316 	/* Used for interface class matches */
317 	uint8_t	bInterfaceClass;
318 	uint8_t	bInterfaceSubClass;
319 	uint8_t	bInterfaceProtocol;
320 
321 #if USB_HAVE_COMPAT_LINUX
322 	/* which fields to match against */
323 	uint16_t match_flags;
324 #define	USB_DEVICE_ID_MATCH_VENDOR		0x0001
325 #define	USB_DEVICE_ID_MATCH_PRODUCT		0x0002
326 #define	USB_DEVICE_ID_MATCH_DEV_LO		0x0004
327 #define	USB_DEVICE_ID_MATCH_DEV_HI		0x0008
328 #define	USB_DEVICE_ID_MATCH_DEV_CLASS		0x0010
329 #define	USB_DEVICE_ID_MATCH_DEV_SUBCLASS	0x0020
330 #define	USB_DEVICE_ID_MATCH_DEV_PROTOCOL	0x0040
331 #define	USB_DEVICE_ID_MATCH_INT_CLASS		0x0080
332 #define	USB_DEVICE_ID_MATCH_INT_SUBCLASS	0x0100
333 #define	USB_DEVICE_ID_MATCH_INT_PROTOCOL	0x0200
334 #endif
335 
336 	/* Hook for driver specific information */
337 	unsigned long driver_info;
338 } __aligned(32);
339 
340 #define USB_STD_PNP_INFO "M16:mask;U16:vendor;U16:product;L16:release;G16:release;" \
341 	"U8:devclass;U8:devsubclass;U8:devproto;" \
342 	"U8:intclass;U8:intsubclass;U8:intprotocol;"
343 #define USB_STD_PNP_HOST_INFO USB_STD_PNP_INFO "T:mode=host;"
344 #define USB_STD_PNP_DEVICE_INFO USB_STD_PNP_INFO "T:mode=device;"
345 #define USB_PNP_HOST_INFO(table)					\
346 	MODULE_PNP_INFO(USB_STD_PNP_HOST_INFO, uhub, table, table,	\
347 	    sizeof(table) / sizeof(table[0]))
348 #define USB_PNP_DEVICE_INFO(table)					\
349 	MODULE_PNP_INFO(USB_STD_PNP_DEVICE_INFO, uhub, table, table,	\
350 	    sizeof(table) / sizeof(table[0]))
351 #define USB_PNP_DUAL_INFO(table)					\
352 	MODULE_PNP_INFO(USB_STD_PNP_INFO, uhub, table, table,		\
353 	    sizeof(table) / sizeof(table[0]))
354 
355 /* check that the size of the structure above is correct */
356 extern char usb_device_id_assert[(sizeof(struct usb_device_id) == 32) ? 1 : -1];
357 
358 #define	USB_VENDOR(vend)			\
359   .match_flag_vendor = 1, .idVendor = (vend)
360 
361 #define	USB_PRODUCT(prod)			\
362   .match_flag_product = 1, .idProduct = (prod)
363 
364 #define	USB_VP(vend,prod)			\
365   USB_VENDOR(vend), USB_PRODUCT(prod)
366 
367 #define	USB_VPI(vend,prod,info)			\
368   USB_VENDOR(vend), USB_PRODUCT(prod), USB_DRIVER_INFO(info)
369 
370 #define	USB_DEV_BCD_GTEQ(lo)	/* greater than or equal */ \
371   .match_flag_dev_lo = 1, .bcdDevice_lo = (lo)
372 
373 #define	USB_DEV_BCD_LTEQ(hi)	/* less than or equal */ \
374   .match_flag_dev_hi = 1, .bcdDevice_hi = (hi)
375 
376 #define	USB_DEV_CLASS(dc)			\
377   .match_flag_dev_class = 1, .bDeviceClass = (dc)
378 
379 #define	USB_DEV_SUBCLASS(dsc)			\
380   .match_flag_dev_subclass = 1, .bDeviceSubClass = (dsc)
381 
382 #define	USB_DEV_PROTOCOL(dp)			\
383   .match_flag_dev_protocol = 1, .bDeviceProtocol = (dp)
384 
385 #define	USB_IFACE_CLASS(ic)			\
386   .match_flag_int_class = 1, .bInterfaceClass = (ic)
387 
388 #define	USB_IFACE_SUBCLASS(isc)			\
389   .match_flag_int_subclass = 1, .bInterfaceSubClass = (isc)
390 
391 #define	USB_IFACE_PROTOCOL(ip)			\
392   .match_flag_int_protocol = 1, .bInterfaceProtocol = (ip)
393 
394 #define	USB_IF_CSI(class,subclass,info)			\
395   USB_IFACE_CLASS(class), USB_IFACE_SUBCLASS(subclass), USB_DRIVER_INFO(info)
396 
397 #define	USB_DRIVER_INFO(n)			\
398   .driver_info = (n)
399 
400 #define	USB_GET_DRIVER_INFO(did)		\
401   (did)->driver_info
402 
403 /*
404  * The following structure keeps information that is used to match
405  * against an array of "usb_device_id" elements.
406  */
407 struct usbd_lookup_info {
408 	uint16_t idVendor;
409 	uint16_t idProduct;
410 	uint16_t bcdDevice;
411 	uint8_t	bDeviceClass;
412 	uint8_t	bDeviceSubClass;
413 	uint8_t	bDeviceProtocol;
414 	uint8_t	bInterfaceClass;
415 	uint8_t	bInterfaceSubClass;
416 	uint8_t	bInterfaceProtocol;
417 	uint8_t	bIfaceIndex;
418 	uint8_t	bIfaceNum;
419 	uint8_t	bConfigIndex;
420 	uint8_t	bConfigNum;
421 };
422 
423 /* Structure used by probe and attach */
424 
425 struct usb_attach_arg {
426 	struct usbd_lookup_info info;
427 	device_t temp_dev;		/* for internal use */
428 	unsigned long driver_info;	/* for internal use */
429 	void *driver_ivar;
430 	struct usb_device *device;	/* current device */
431 	struct usb_interface *iface;	/* current interface */
432 	enum usb_hc_mode usb_mode;	/* host or device mode */
433 	uint8_t	port;
434 	uint8_t dev_state;
435 #define UAA_DEV_READY		0
436 #define UAA_DEV_DISABLED	1
437 #define UAA_DEV_EJECTING	2
438 };
439 
440 /*
441  * General purpose locking wrappers to ease supporting
442  * USB polled mode:
443  */
444 #ifdef INVARIANTS
445 #define	USB_MTX_ASSERT(_m, _t) do {		\
446 	if (!USB_IN_POLLING_MODE_FUNC())	\
447 		mtx_assert(_m, _t);		\
448 } while (0)
449 #else
450 #define	USB_MTX_ASSERT(_m, _t) do { } while (0)
451 #endif
452 
453 #define	USB_MTX_LOCK(_m) do {			\
454 	if (!USB_IN_POLLING_MODE_FUNC())	\
455 		mtx_lock(_m);			\
456 } while (0)
457 
458 #define	USB_MTX_UNLOCK(_m) do {			\
459 	if (!USB_IN_POLLING_MODE_FUNC())	\
460 		mtx_unlock(_m);			\
461 } while (0)
462 
463 #define	USB_MTX_LOCK_SPIN(_m) do {		\
464 	if (!USB_IN_POLLING_MODE_FUNC())	\
465 		mtx_lock_spin(_m);		\
466 } while (0)
467 
468 #define	USB_MTX_UNLOCK_SPIN(_m) do {		\
469 	if (!USB_IN_POLLING_MODE_FUNC())	\
470 		mtx_unlock_spin(_m);		\
471 } while (0)
472 
473 /*
474  * The following is a wrapper for the callout structure to ease
475  * porting the code to other platforms.
476  */
477 struct usb_callout {
478 	struct callout co;
479 };
480 #define	usb_callout_init_mtx(c,m,f) callout_init_mtx(&(c)->co,m,f)
481 #define	usb_callout_reset(c,...) do {			\
482 	if (!USB_IN_POLLING_MODE_FUNC())		\
483 		callout_reset(&(c)->co, __VA_ARGS__);	\
484 } while (0)
485 #define	usb_callout_reset_sbt(c,...) do {			\
486 	if (!USB_IN_POLLING_MODE_FUNC())			\
487 		callout_reset_sbt(&(c)->co, __VA_ARGS__);	\
488 } while (0)
489 #define	usb_callout_stop(c) do {			\
490 	if (!USB_IN_POLLING_MODE_FUNC()) {		\
491 		callout_stop(&(c)->co);			\
492 	} else {					\
493 		/*					\
494 		 * Cannot stop callout when		\
495 		 * polling. Set dummy callback		\
496 		 * function instead:			\
497 		 */					\
498 		(c)->co.c_func = &usbd_dummy_timeout;	\
499 	}						\
500 } while (0)
501 #define	usb_callout_drain(c) callout_drain(&(c)->co)
502 #define	usb_callout_pending(c) callout_pending(&(c)->co)
503 
504 /* USB transfer states */
505 
506 #define	USB_ST_SETUP       0
507 #define	USB_ST_TRANSFERRED 1
508 #define	USB_ST_ERROR       2
509 
510 /* USB handle request states */
511 #define	USB_HR_NOT_COMPLETE	0
512 #define	USB_HR_COMPLETE_OK	1
513 #define	USB_HR_COMPLETE_ERR	2
514 
515 /*
516  * The following macro will return the current state of an USB
517  * transfer like defined by the "USB_ST_XXX" enums.
518  */
519 #define	USB_GET_STATE(xfer) (usbd_xfer_state(xfer))
520 
521 /*
522  * The following structure defines the USB process message header.
523  */
524 struct usb_proc_msg {
525 	TAILQ_ENTRY(usb_proc_msg) pm_qentry;
526 	usb_proc_callback_t *pm_callback;
527 	usb_size_t pm_num;
528 };
529 
530 #define	USB_FIFO_TX 0
531 #define	USB_FIFO_RX 1
532 
533 /*
534  * Locking note for the following functions.  All the
535  * "usb_fifo_cmd_t" and "usb_fifo_filter_t" functions are called
536  * locked. The others are called unlocked.
537  */
538 struct usb_fifo_methods {
539 	usb_fifo_open_t *f_open;
540 	usb_fifo_close_t *f_close;
541 	usb_fifo_ioctl_t *f_ioctl;
542 	/*
543 	 * NOTE: The post-ioctl callback is called after the USB reference
544 	 * gets locked in the IOCTL handler:
545 	 */
546 	usb_fifo_ioctl_t *f_ioctl_post;
547 	usb_fifo_cmd_t *f_start_read;
548 	usb_fifo_cmd_t *f_stop_read;
549 	usb_fifo_cmd_t *f_start_write;
550 	usb_fifo_cmd_t *f_stop_write;
551 	usb_fifo_filter_t *f_filter_read;
552 	usb_fifo_filter_t *f_filter_write;
553 	const char *basename[4];
554 	const char *postfix[4];
555 };
556 
557 struct usb_fifo_sc {
558 	struct usb_fifo *fp[2];
559 	struct usb_fs_privdata *dev;
560 };
561 
562 const char *usbd_errstr(usb_error_t error);
563 void	*usbd_find_descriptor(struct usb_device *udev, void *id,
564 	    uint8_t iface_index, uint8_t type, uint8_t type_mask,
565 	    uint8_t subtype, uint8_t subtype_mask);
566 struct usb_config_descriptor *usbd_get_config_descriptor(
567 	    struct usb_device *udev);
568 struct usb_device_descriptor *usbd_get_device_descriptor(
569 	    struct usb_device *udev);
570 struct usb_interface *usbd_get_iface(struct usb_device *udev,
571 	    uint8_t iface_index);
572 struct usb_interface_descriptor *usbd_get_interface_descriptor(
573 	    struct usb_interface *iface);
574 struct usb_endpoint *usbd_get_endpoint(struct usb_device *udev, uint8_t iface_index,
575 		    const struct usb_config *setup);
576 struct usb_endpoint *usbd_get_ep_by_addr(struct usb_device *udev, uint8_t ea_val);
577 usb_error_t	usbd_interface_count(struct usb_device *udev, uint8_t *count);
578 enum usb_hc_mode usbd_get_mode(struct usb_device *udev);
579 enum usb_dev_speed usbd_get_speed(struct usb_device *udev);
580 void	device_set_usb_desc(device_t dev);
581 void	usb_pause_mtx(struct mtx *mtx, int _ticks);
582 usb_error_t	usbd_set_pnpinfo(struct usb_device *udev,
583 			uint8_t iface_index, const char *pnpinfo);
584 usb_error_t	usbd_add_dynamic_quirk(struct usb_device *udev,
585 			uint16_t quirk);
586 usb_error_t	usbd_set_endpoint_mode(struct usb_device *udev,
587 			struct usb_endpoint *ep, uint8_t ep_mode);
588 uint8_t		usbd_get_endpoint_mode(struct usb_device *udev,
589 			struct usb_endpoint *ep);
590 
591 const struct usb_device_id *usbd_lookup_id_by_info(
592 	    const struct usb_device_id *id, usb_size_t sizeof_id,
593 	    const struct usbd_lookup_info *info);
594 int	usbd_lookup_id_by_uaa(const struct usb_device_id *id,
595 	    usb_size_t sizeof_id, struct usb_attach_arg *uaa);
596 
597 usb_error_t usbd_do_request_flags(struct usb_device *udev, struct mtx *mtx,
598 		    struct usb_device_request *req, void *data, uint16_t flags,
599 		    uint16_t *actlen, usb_timeout_t timeout);
600 #define	usbd_do_request(u,m,r,d) \
601   usbd_do_request_flags(u,m,r,d,0,NULL,USB_DEFAULT_TIMEOUT)
602 
603 uint8_t	usbd_clear_stall_callback(struct usb_xfer *xfer1,
604 	    struct usb_xfer *xfer2);
605 uint8_t	usbd_get_interface_altindex(struct usb_interface *iface);
606 usb_error_t usbd_set_alt_interface_index(struct usb_device *udev,
607 	    uint8_t iface_index, uint8_t alt_index);
608 uint32_t usbd_get_isoc_fps(struct usb_device *udev);
609 uint32_t usbd_get_max_frame_length(const struct usb_endpoint_descriptor *,
610     const struct usb_endpoint_ss_comp_descriptor *,
611     enum usb_dev_speed);
612 usb_error_t usbd_transfer_setup(struct usb_device *udev,
613 	    const uint8_t *ifaces, struct usb_xfer **pxfer,
614 	    const struct usb_config *setup_start, uint16_t n_setup,
615 	    void *priv_sc, struct mtx *priv_mtx);
616 void	usbd_transfer_submit(struct usb_xfer *xfer);
617 void	usbd_transfer_clear_stall(struct usb_xfer *xfer);
618 void	usbd_transfer_drain(struct usb_xfer *xfer);
619 uint8_t	usbd_transfer_pending(struct usb_xfer *xfer);
620 void	usbd_transfer_start(struct usb_xfer *xfer);
621 void	usbd_transfer_stop(struct usb_xfer *xfer);
622 void	usbd_transfer_unsetup(struct usb_xfer **pxfer, uint16_t n_setup);
623 void	usbd_transfer_poll(struct usb_xfer **ppxfer, uint16_t max);
624 void	usbd_set_parent_iface(struct usb_device *udev, uint8_t iface_index,
625 	    uint8_t parent_index);
626 uint8_t	usbd_get_bus_index(struct usb_device *udev);
627 uint8_t	usbd_get_device_index(struct usb_device *udev);
628 void	usbd_set_power_mode(struct usb_device *udev, uint8_t power_mode);
629 uint8_t	usbd_filter_power_mode(struct usb_device *udev, uint8_t power_mode);
630 uint8_t	usbd_device_attached(struct usb_device *udev);
631 
632 usb_frlength_t
633 	usbd_xfer_old_frame_length(struct usb_xfer *xfer, usb_frcount_t frindex);
634 void	usbd_xfer_status(struct usb_xfer *xfer, int *actlen, int *sumlen,
635 	    int *aframes, int *nframes);
636 struct usb_page_cache *usbd_xfer_get_frame(struct usb_xfer *, usb_frcount_t);
637 void	*usbd_xfer_get_frame_buffer(struct usb_xfer *, usb_frcount_t);
638 void	*usbd_xfer_softc(struct usb_xfer *xfer);
639 void	*usbd_xfer_get_priv(struct usb_xfer *xfer);
640 void	usbd_xfer_set_priv(struct usb_xfer *xfer, void *);
641 void	usbd_xfer_set_interval(struct usb_xfer *xfer, int);
642 uint8_t	usbd_xfer_state(struct usb_xfer *xfer);
643 void	usbd_xfer_set_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex,
644 	    void *ptr, usb_frlength_t len);
645 void	usbd_xfer_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex,
646 	    void **ptr, int *len);
647 void	usbd_xfer_set_frame_offset(struct usb_xfer *xfer, usb_frlength_t offset,
648 	    usb_frcount_t frindex);
649 usb_frlength_t usbd_xfer_max_len(struct usb_xfer *xfer);
650 usb_frlength_t usbd_xfer_max_framelen(struct usb_xfer *xfer);
651 usb_frcount_t usbd_xfer_max_frames(struct usb_xfer *xfer);
652 uint8_t	usbd_xfer_get_fps_shift(struct usb_xfer *xfer);
653 usb_frlength_t usbd_xfer_frame_len(struct usb_xfer *xfer,
654 	    usb_frcount_t frindex);
655 void	usbd_xfer_set_frame_len(struct usb_xfer *xfer, usb_frcount_t frindex,
656 	    usb_frlength_t len);
657 void	usbd_xfer_set_timeout(struct usb_xfer *xfer, int timeout);
658 void	usbd_xfer_set_frames(struct usb_xfer *xfer, usb_frcount_t n);
659 void	usbd_xfer_set_zlp(struct usb_xfer *xfer);
660 uint8_t	usbd_xfer_get_and_clr_zlp(struct usb_xfer *xfer);
661 void	usbd_xfer_set_stall(struct usb_xfer *xfer);
662 int	usbd_xfer_is_stalled(struct usb_xfer *xfer);
663 void	usbd_xfer_set_flag(struct usb_xfer *xfer, int flag);
664 void	usbd_xfer_clr_flag(struct usb_xfer *xfer, int flag);
665 uint16_t usbd_xfer_get_timestamp(struct usb_xfer *xfer);
666 uint8_t usbd_xfer_maxp_was_clamped(struct usb_xfer *xfer);
667 
668 void	usbd_copy_in(struct usb_page_cache *cache, usb_frlength_t offset,
669 	    const void *ptr, usb_frlength_t len);
670 int	usbd_copy_in_user(struct usb_page_cache *cache, usb_frlength_t offset,
671 	    const void *ptr, usb_frlength_t len);
672 void	usbd_copy_out(struct usb_page_cache *cache, usb_frlength_t offset,
673 	    void *ptr, usb_frlength_t len);
674 int	usbd_copy_out_user(struct usb_page_cache *cache, usb_frlength_t offset,
675 	    void *ptr, usb_frlength_t len);
676 void	usbd_get_page(struct usb_page_cache *pc, usb_frlength_t offset,
677 	    struct usb_page_search *res);
678 void	usbd_m_copy_in(struct usb_page_cache *cache, usb_frlength_t dst_offset,
679 	    struct mbuf *m, usb_size_t src_offset, usb_frlength_t src_len);
680 void	usbd_frame_zero(struct usb_page_cache *cache, usb_frlength_t offset,
681 	    usb_frlength_t len);
682 void	usbd_start_re_enumerate(struct usb_device *udev);
683 usb_error_t
684 	usbd_start_set_config(struct usb_device *, uint8_t);
685 int	usbd_in_polling_mode(void);
686 void	usbd_dummy_timeout(void *);
687 
688 int	usb_fifo_attach(struct usb_device *udev, void *priv_sc,
689 	    struct mtx *priv_mtx, struct usb_fifo_methods *pm,
690 	    struct usb_fifo_sc *f_sc, uint16_t unit, int16_t subunit,
691 	    uint8_t iface_index, uid_t uid, gid_t gid, int mode);
692 void	usb_fifo_detach(struct usb_fifo_sc *f_sc);
693 int	usb_fifo_alloc_buffer(struct usb_fifo *f, uint32_t bufsize,
694 	    uint16_t nbuf);
695 void	usb_fifo_free_buffer(struct usb_fifo *f);
696 uint32_t usb_fifo_put_bytes_max(struct usb_fifo *fifo);
697 void	usb_fifo_put_data(struct usb_fifo *fifo, struct usb_page_cache *pc,
698 	    usb_frlength_t offset, usb_frlength_t len, uint8_t what);
699 void	usb_fifo_put_data_linear(struct usb_fifo *fifo, void *ptr,
700 	    usb_size_t len, uint8_t what);
701 uint8_t	usb_fifo_put_data_buffer(struct usb_fifo *f, void *ptr, usb_size_t len);
702 void	usb_fifo_put_data_error(struct usb_fifo *fifo);
703 uint8_t	usb_fifo_get_data(struct usb_fifo *fifo, struct usb_page_cache *pc,
704 	    usb_frlength_t offset, usb_frlength_t len, usb_frlength_t *actlen,
705 	    uint8_t what);
706 uint8_t	usb_fifo_get_data_linear(struct usb_fifo *fifo, void *ptr,
707 	    usb_size_t len, usb_size_t *actlen, uint8_t what);
708 uint8_t	usb_fifo_get_data_buffer(struct usb_fifo *f, void **pptr,
709 	    usb_size_t *plen);
710 void	usb_fifo_reset(struct usb_fifo *f);
711 void	usb_fifo_wakeup(struct usb_fifo *f);
712 void	usb_fifo_get_data_error(struct usb_fifo *fifo);
713 void	*usb_fifo_softc(struct usb_fifo *fifo);
714 void	usb_fifo_set_close_zlp(struct usb_fifo *, uint8_t);
715 void	usb_fifo_set_write_defrag(struct usb_fifo *, uint8_t);
716 void	usb_fifo_free(struct usb_fifo *f);
717 #endif	/* _KERNEL || _STANDALONE */
718 #endif	/* _USB_USBDI_H_ */
719