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1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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: releng/12.2/sys/dev/usb/usbdi.h 361910 2020-06-08 09:26:46Z hselasky $
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)
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 
106 /* USB events */
107 typedef void (*usb_dev_configured_t)(void *, struct usb_device *,
108     struct usb_attach_arg *);
109 
110 /*
111  * The following macros are used used to convert milliseconds into
112  * HZ. We use 1024 instead of 1000 milliseconds per second to save a
113  * full division.
114  */
115 #define	USB_MS_HZ 1024
116 
117 #define	USB_MS_TO_TICKS(ms) \
118   (((uint32_t)((((uint32_t)(ms)) * ((uint32_t)(hz))) + USB_MS_HZ - 1)) / USB_MS_HZ)
119 
120 /*
121  * Common queue structure for USB transfers.
122  */
123 struct usb_xfer_queue {
124 	TAILQ_HEAD(, usb_xfer) head;
125 	struct usb_xfer *curr;		/* current USB transfer processed */
126 	void	(*command) (struct usb_xfer_queue *pq);
127 	uint8_t	recurse_1:1;
128 	uint8_t	recurse_2:1;
129 };
130 
131 /*
132  * The following structure defines an USB endpoint
133  * USB endpoint.
134  */
135 struct usb_endpoint {
136 	/* queue of USB transfers */
137 	struct usb_xfer_queue endpoint_q[USB_MAX_EP_STREAMS];
138 
139 	struct usb_endpoint_descriptor *edesc;
140 	struct usb_endpoint_ss_comp_descriptor *ecomp;
141 	const struct usb_pipe_methods *methods;	/* set by HC driver */
142 
143 	uint16_t isoc_next;
144 
145 	uint8_t	toggle_next:1;		/* next data toggle value */
146 	uint8_t	is_stalled:1;		/* set if endpoint is stalled */
147 	uint8_t	is_synced:1;		/* set if we a synchronised */
148 	uint8_t	unused:5;
149 	uint8_t	iface_index;		/* not used by "default endpoint" */
150 
151 	uint8_t refcount_alloc;		/* allocation refcount */
152 	uint8_t refcount_bw;		/* bandwidth refcount */
153 #define	USB_EP_REF_MAX 0x3f
154 
155 	/* High-Speed resource allocation (valid if "refcount_bw" > 0) */
156 
157 	uint8_t	usb_smask;		/* USB start mask */
158 	uint8_t	usb_cmask;		/* USB complete mask */
159 	uint8_t	usb_uframe;		/* USB microframe */
160 
161 	/* USB endpoint mode, see USB_EP_MODE_XXX */
162 
163 	uint8_t ep_mode;
164 };
165 
166 /*
167  * The following structure defines an USB interface.
168  */
169 struct usb_interface {
170 	struct usb_interface_descriptor *idesc;
171 	device_t subdev;
172 	uint8_t	alt_index;
173 	uint8_t	parent_iface_index;
174 
175 	/* Linux compat */
176 	struct usb_host_interface *altsetting;
177 	struct usb_host_interface *cur_altsetting;
178 	struct usb_device *linux_udev;
179 	void   *bsd_priv_sc;		/* device specific information */
180 	char   *pnpinfo;		/* additional PnP-info for this interface */
181 	uint8_t	num_altsetting;		/* number of alternate settings */
182 	uint8_t	bsd_iface_index;
183 };
184 
185 /*
186  * The following structure defines a set of USB transfer flags.
187  */
188 struct usb_xfer_flags {
189 	uint8_t	force_short_xfer:1;	/* force a short transmit transfer
190 					 * last */
191 	uint8_t	short_xfer_ok:1;	/* allow short receive transfers */
192 	uint8_t	short_frames_ok:1;	/* allow short frames */
193 	uint8_t	pipe_bof:1;		/* block pipe on failure */
194 	uint8_t	proxy_buffer:1;		/* makes buffer size a factor of
195 					 * "max_frame_size" */
196 	uint8_t	ext_buffer:1;		/* uses external DMA buffer */
197 	uint8_t	manual_status:1;	/* non automatic status stage on
198 					 * control transfers */
199 	uint8_t	no_pipe_ok:1;		/* set if "USB_ERR_NO_PIPE" error can
200 					 * be ignored */
201 	uint8_t	stall_pipe:1;		/* set if the endpoint belonging to
202 					 * this USB transfer should be stalled
203 					 * before starting this transfer! */
204 	uint8_t pre_scale_frames:1;	/* "usb_config->frames" is
205 					 * assumed to give the
206 					 * buffering time in
207 					 * milliseconds and is
208 					 * converted into the nearest
209 					 * number of frames when the
210 					 * USB transfer is setup. This
211 					 * option only has effect for
212 					 * ISOCHRONOUS transfers.
213 					 */
214 };
215 
216 /*
217  * The following structure define an USB configuration, that basically
218  * is used when setting up an USB transfer.
219  */
220 struct usb_config {
221 	usb_callback_t *callback;	/* USB transfer callback */
222 	usb_frlength_t bufsize;	/* total pipe buffer size in bytes */
223 	usb_frcount_t frames;		/* maximum number of USB frames */
224 	usb_timeout_t interval;	/* interval in milliseconds */
225 #define	USB_DEFAULT_INTERVAL	0
226 	usb_timeout_t timeout;		/* transfer timeout in milliseconds */
227 	struct usb_xfer_flags flags;	/* transfer flags */
228 	usb_stream_t stream_id;		/* USB3.0 specific */
229 	enum usb_hc_mode usb_mode;	/* host or device mode */
230 	uint8_t	type;			/* pipe type */
231 	uint8_t	endpoint;		/* pipe number */
232 	uint8_t	direction;		/* pipe direction */
233 	uint8_t	ep_index;		/* pipe index match to use */
234 	uint8_t	if_index;		/* "ifaces" index to use */
235 };
236 
237 /*
238  * Use these macro when defining USB device ID arrays if you want to
239  * have your driver module automatically loaded in host, device or
240  * both modes respectively:
241  */
242 #if USB_HAVE_ID_SECTION
243 #define	STRUCT_USB_HOST_ID \
244     struct usb_device_id __section("usb_host_id")
245 #define	STRUCT_USB_DEVICE_ID \
246     struct usb_device_id __section("usb_device_id")
247 #define	STRUCT_USB_DUAL_ID \
248     struct usb_device_id __section("usb_dual_id")
249 #else
250 #define	STRUCT_USB_HOST_ID \
251     struct usb_device_id
252 #define	STRUCT_USB_DEVICE_ID \
253     struct usb_device_id
254 #define	STRUCT_USB_DUAL_ID \
255     struct usb_device_id
256 #endif			/* USB_HAVE_ID_SECTION */
257 
258 /*
259  * The following structure is used when looking up an USB driver for
260  * an USB device. It is inspired by the Linux structure called
261  * "usb_device_id".
262  */
263 struct usb_device_id {
264 
265 	/* Hook for driver specific information */
266 	unsigned long driver_info;
267 
268 	/* Used for product specific matches; the BCD range is inclusive */
269 	uint16_t idVendor;
270 	uint16_t idProduct;
271 	uint16_t bcdDevice_lo;
272 	uint16_t bcdDevice_hi;
273 
274 	/* Used for device class matches */
275 	uint8_t	bDeviceClass;
276 	uint8_t	bDeviceSubClass;
277 	uint8_t	bDeviceProtocol;
278 
279 	/* Used for interface class matches */
280 	uint8_t	bInterfaceClass;
281 	uint8_t	bInterfaceSubClass;
282 	uint8_t	bInterfaceProtocol;
283 
284 	/* Select which fields to match against */
285 	uint8_t	match_flag_vendor:1;
286 	uint8_t	match_flag_product:1;
287 	uint8_t	match_flag_dev_lo:1;
288 	uint8_t	match_flag_dev_hi:1;
289 
290 	uint8_t	match_flag_dev_class:1;
291 	uint8_t	match_flag_dev_subclass:1;
292 	uint8_t	match_flag_dev_protocol:1;
293 	uint8_t	match_flag_int_class:1;
294 
295 	uint8_t	match_flag_int_subclass:1;
296 	uint8_t	match_flag_int_protocol:1;
297 	uint8_t	match_flag_unused:6;
298 
299 #if USB_HAVE_COMPAT_LINUX
300 	/* which fields to match against */
301 	uint16_t match_flags;
302 #define	USB_DEVICE_ID_MATCH_VENDOR		0x0001
303 #define	USB_DEVICE_ID_MATCH_PRODUCT		0x0002
304 #define	USB_DEVICE_ID_MATCH_DEV_LO		0x0004
305 #define	USB_DEVICE_ID_MATCH_DEV_HI		0x0008
306 #define	USB_DEVICE_ID_MATCH_DEV_CLASS		0x0010
307 #define	USB_DEVICE_ID_MATCH_DEV_SUBCLASS	0x0020
308 #define	USB_DEVICE_ID_MATCH_DEV_PROTOCOL	0x0040
309 #define	USB_DEVICE_ID_MATCH_INT_CLASS		0x0080
310 #define	USB_DEVICE_ID_MATCH_INT_SUBCLASS	0x0100
311 #define	USB_DEVICE_ID_MATCH_INT_PROTOCOL	0x0200
312 #endif
313 } __aligned(32);
314 
315 /* check that the size of the structure above is correct */
316 extern char usb_device_id_assert[(sizeof(struct usb_device_id) == 32) ? 1 : -1];
317 
318 #define	USB_VENDOR(vend)			\
319   .match_flag_vendor = 1, .idVendor = (vend)
320 
321 #define	USB_PRODUCT(prod)			\
322   .match_flag_product = 1, .idProduct = (prod)
323 
324 #define	USB_VP(vend,prod)			\
325   USB_VENDOR(vend), USB_PRODUCT(prod)
326 
327 #define	USB_VPI(vend,prod,info)			\
328   USB_VENDOR(vend), USB_PRODUCT(prod), USB_DRIVER_INFO(info)
329 
330 #define	USB_DEV_BCD_GTEQ(lo)	/* greater than or equal */ \
331   .match_flag_dev_lo = 1, .bcdDevice_lo = (lo)
332 
333 #define	USB_DEV_BCD_LTEQ(hi)	/* less than or equal */ \
334   .match_flag_dev_hi = 1, .bcdDevice_hi = (hi)
335 
336 #define	USB_DEV_CLASS(dc)			\
337   .match_flag_dev_class = 1, .bDeviceClass = (dc)
338 
339 #define	USB_DEV_SUBCLASS(dsc)			\
340   .match_flag_dev_subclass = 1, .bDeviceSubClass = (dsc)
341 
342 #define	USB_DEV_PROTOCOL(dp)			\
343   .match_flag_dev_protocol = 1, .bDeviceProtocol = (dp)
344 
345 #define	USB_IFACE_CLASS(ic)			\
346   .match_flag_int_class = 1, .bInterfaceClass = (ic)
347 
348 #define	USB_IFACE_SUBCLASS(isc)			\
349   .match_flag_int_subclass = 1, .bInterfaceSubClass = (isc)
350 
351 #define	USB_IFACE_PROTOCOL(ip)			\
352   .match_flag_int_protocol = 1, .bInterfaceProtocol = (ip)
353 
354 #define	USB_IF_CSI(class,subclass,info)			\
355   USB_IFACE_CLASS(class), USB_IFACE_SUBCLASS(subclass), USB_DRIVER_INFO(info)
356 
357 #define	USB_DRIVER_INFO(n)			\
358   .driver_info = (n)
359 
360 #define	USB_GET_DRIVER_INFO(did)		\
361   (did)->driver_info
362 
363 /*
364  * The following structure keeps information that is used to match
365  * against an array of "usb_device_id" elements.
366  */
367 struct usbd_lookup_info {
368 	uint16_t idVendor;
369 	uint16_t idProduct;
370 	uint16_t bcdDevice;
371 	uint8_t	bDeviceClass;
372 	uint8_t	bDeviceSubClass;
373 	uint8_t	bDeviceProtocol;
374 	uint8_t	bInterfaceClass;
375 	uint8_t	bInterfaceSubClass;
376 	uint8_t	bInterfaceProtocol;
377 	uint8_t	bIfaceIndex;
378 	uint8_t	bIfaceNum;
379 	uint8_t	bConfigIndex;
380 	uint8_t	bConfigNum;
381 };
382 
383 /* Structure used by probe and attach */
384 
385 struct usb_attach_arg {
386 	struct usbd_lookup_info info;
387 	device_t temp_dev;		/* for internal use */
388 	unsigned long driver_info;	/* for internal use */
389 	void *driver_ivar;
390 	struct usb_device *device;	/* current device */
391 	struct usb_interface *iface;	/* current interface */
392 	enum usb_hc_mode usb_mode;	/* host or device mode */
393 	uint8_t	port;
394 	uint8_t dev_state;
395 #define UAA_DEV_READY		0
396 #define UAA_DEV_DISABLED	1
397 #define UAA_DEV_EJECTING	2
398 };
399 
400 /*
401  * General purpose locking wrappers to ease supporting
402  * USB polled mode:
403  */
404 #ifdef INVARIANTS
405 #define	USB_MTX_ASSERT(_m, _t) do {		\
406 	if (!USB_IN_POLLING_MODE_FUNC())	\
407 		mtx_assert(_m, _t);		\
408 } while (0)
409 #else
410 #define	USB_MTX_ASSERT(_m, _t) do { } while (0)
411 #endif
412 
413 #define	USB_MTX_LOCK(_m) do {			\
414 	if (!USB_IN_POLLING_MODE_FUNC())	\
415 		mtx_lock(_m);			\
416 } while (0)
417 
418 #define	USB_MTX_UNLOCK(_m) do {			\
419 	if (!USB_IN_POLLING_MODE_FUNC())	\
420 		mtx_unlock(_m);			\
421 } while (0)
422 
423 #define	USB_MTX_LOCK_SPIN(_m) do {		\
424 	if (!USB_IN_POLLING_MODE_FUNC())	\
425 		mtx_lock_spin(_m);		\
426 } while (0)
427 
428 #define	USB_MTX_UNLOCK_SPIN(_m) do {		\
429 	if (!USB_IN_POLLING_MODE_FUNC())	\
430 		mtx_unlock_spin(_m);		\
431 } while (0)
432 
433 /*
434  * The following is a wrapper for the callout structure to ease
435  * porting the code to other platforms.
436  */
437 
438 
439 /* USB transfer states */
440 
441 #define	USB_ST_SETUP		0
442 #define	USB_ST_TRANSFERRED	1
443 #define	USB_ST_ERROR		2
444 
445 /* USB handle request states */
446 #define	USB_HR_NOT_COMPLETE	0
447 #define	USB_HR_COMPLETE_OK	1
448 #define	USB_HR_COMPLETE_ERR	2
449 
450 /*
451  * The following macro will return the current state of an USB
452  * transfer like defined by the "USB_ST_XXX" enums.
453  */
454 #define	USB_GET_STATE(xfer) (usbd_xfer_state(xfer))
455 
456 /*
457  * The following structure defines the USB process message header.
458  */
459 struct usb_proc_msg {
460 	TAILQ_ENTRY(usb_proc_msg) pm_qentry;
461 	usb_proc_callback_t *pm_callback;
462 	usb_size_t pm_num;
463 };
464 
465 #define	USB_FIFO_TX 0
466 #define	USB_FIFO_RX 1
467 
468 /*
469  * Locking note for the following functions.  All the
470  * "usb_fifo_cmd_t" and "usb_fifo_filter_t" functions are called
471  * locked. The others are called unlocked.
472  */
473 struct usb_fifo_methods {
474 	usb_fifo_open_t *f_open;
475 	usb_fifo_close_t *f_close;
476 	usb_fifo_ioctl_t *f_ioctl;
477 	/*
478 	 * NOTE: The post-ioctl callback is called after the USB reference
479 	 * gets locked in the IOCTL handler:
480 	 */
481 	usb_fifo_ioctl_t *f_ioctl_post;
482 	usb_fifo_cmd_t *f_start_read;
483 	usb_fifo_cmd_t *f_stop_read;
484 	usb_fifo_cmd_t *f_start_write;
485 	usb_fifo_cmd_t *f_stop_write;
486 	usb_fifo_filter_t *f_filter_read;
487 	usb_fifo_filter_t *f_filter_write;
488 	const char *basename[4];
489 	const char *postfix[4];
490 };
491 
492 struct usb_fifo_sc {
493 	struct usb_fifo *fp[2];
494 	struct usb_fs_privdata *dev;
495 };
496 
497 const char *usbd_errstr(usb_error_t error);
498 void	*usbd_find_descriptor(struct usb_device *udev, void *id,
499 	    uint8_t iface_index, uint8_t type, uint8_t type_mask,
500 	    uint8_t subtype, uint8_t subtype_mask);
501 struct usb_config_descriptor *usbd_get_config_descriptor(
502 	    struct usb_device *udev);
503 struct usb_device_descriptor *usbd_get_device_descriptor(
504 	    struct usb_device *udev);
505 struct usb_interface *usbd_get_iface(struct usb_device *udev,
506 	    uint8_t iface_index);
507 struct usb_interface_descriptor *usbd_get_interface_descriptor(
508 	    struct usb_interface *iface);
509 struct usb_endpoint *usbd_get_endpoint(struct usb_device *udev, uint8_t iface_index,
510 		    const struct usb_config *setup);
511 struct usb_endpoint *usbd_get_ep_by_addr(struct usb_device *udev, uint8_t ea_val);
512 usb_error_t	usbd_interface_count(struct usb_device *udev, uint8_t *count);
513 enum usb_hc_mode usbd_get_mode(struct usb_device *udev);
514 enum usb_dev_speed usbd_get_speed(struct usb_device *udev);
515 void	device_set_usb_desc(device_t dev);
516 void	usb_pause_mtx(struct mtx *mtx, int _ticks);
517 usb_error_t	usbd_set_pnpinfo(struct usb_device *udev,
518 			uint8_t iface_index, const char *pnpinfo);
519 usb_error_t	usbd_add_dynamic_quirk(struct usb_device *udev,
520 			uint16_t quirk);
521 usb_error_t	usbd_set_endpoint_mode(struct usb_device *udev,
522 			struct usb_endpoint *ep, uint8_t ep_mode);
523 uint8_t		usbd_get_endpoint_mode(struct usb_device *udev,
524 			struct usb_endpoint *ep);
525 
526 const struct usb_device_id *usbd_lookup_id_by_info(
527 	    const struct usb_device_id *id, usb_size_t sizeof_id,
528 	    const struct usbd_lookup_info *info);
529 int	usbd_lookup_id_by_uaa(const struct usb_device_id *id,
530 	    usb_size_t sizeof_id, struct usb_attach_arg *uaa);
531 
532 usb_error_t usbd_do_request_flags(struct usb_device *udev, struct mtx *mtx,
533 		    struct usb_device_request *req, void *data, uint16_t flags,
534 		    uint16_t *actlen, usb_timeout_t timeout);
535 #define	usbd_do_request(u,m,r,d) \
536   usbd_do_request_flags(u, m, r, d, 0, NULL, USB_DEFAULT_TIMEOUT)
537 
538 uint8_t	usbd_clear_stall_callback(struct usb_xfer *xfer1,
539 	    struct usb_xfer *xfer2);
540 uint8_t	usbd_get_interface_altindex(struct usb_interface *iface);
541 usb_error_t usbd_set_alt_interface_index(struct usb_device *udev,
542 	    uint8_t iface_index, uint8_t alt_index);
543 uint32_t usbd_get_isoc_fps(struct usb_device *udev);
544 usb_error_t usbd_transfer_setup(struct usb_device *udev,
545 	    const uint8_t *ifaces, struct usb_xfer **pxfer,
546 	    const struct usb_config *setup_start, uint16_t n_setup,
547 	    void *priv_sc, struct mtx *priv_mtx);
548 void	usbd_transfer_submit(struct usb_xfer *xfer);
549 void	usbd_transfer_clear_stall(struct usb_xfer *xfer);
550 void	usbd_transfer_drain(struct usb_xfer *xfer);
551 uint8_t	usbd_transfer_pending(struct usb_xfer *xfer);
552 void	usbd_transfer_start(struct usb_xfer *xfer);
553 void	usbd_transfer_stop(struct usb_xfer *xfer);
554 void	usbd_transfer_unsetup(struct usb_xfer **pxfer, uint16_t n_setup);
555 void	usbd_transfer_poll(struct usb_xfer **ppxfer, uint16_t max);
556 void	usbd_set_parent_iface(struct usb_device *udev, uint8_t iface_index,
557 	    uint8_t parent_index);
558 uint8_t	usbd_get_bus_index(struct usb_device *udev);
559 uint8_t	usbd_get_device_index(struct usb_device *udev);
560 void	usbd_set_power_mode(struct usb_device *udev, uint8_t power_mode);
561 uint8_t	usbd_filter_power_mode(struct usb_device *udev, uint8_t power_mode);
562 uint8_t	usbd_device_attached(struct usb_device *udev);
563 
564 usb_frlength_t
565 	usbd_xfer_old_frame_length(struct usb_xfer *xfer, usb_frcount_t frindex);
566 void	usbd_xfer_status(struct usb_xfer *xfer, int *actlen, int *sumlen,
567 	    int *aframes, int *nframes);
568 struct usb_page_cache *usbd_xfer_get_frame(struct usb_xfer *, usb_frcount_t);
569 void	*usbd_xfer_get_frame_buffer(struct usb_xfer *, usb_frcount_t);
570 void	*usbd_xfer_softc(struct usb_xfer *xfer);
571 void	*usbd_xfer_get_priv(struct usb_xfer *xfer);
572 void	usbd_xfer_set_priv(struct usb_xfer *xfer, void *);
573 void	usbd_xfer_set_interval(struct usb_xfer *xfer, int);
574 uint8_t	usbd_xfer_state(struct usb_xfer *xfer);
575 void	usbd_xfer_set_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex,
576 	    void *ptr, usb_frlength_t len);
577 void	usbd_xfer_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex,
578 	    void **ptr, int *len);
579 void	usbd_xfer_set_frame_offset(struct usb_xfer *xfer, usb_frlength_t offset,
580 	    usb_frcount_t frindex);
581 usb_frlength_t usbd_xfer_max_len(struct usb_xfer *xfer);
582 usb_frlength_t usbd_xfer_max_framelen(struct usb_xfer *xfer);
583 usb_frcount_t usbd_xfer_max_frames(struct usb_xfer *xfer);
584 uint8_t	usbd_xfer_get_fps_shift(struct usb_xfer *xfer);
585 usb_frlength_t usbd_xfer_frame_len(struct usb_xfer *xfer,
586 	    usb_frcount_t frindex);
587 void	usbd_xfer_set_frame_len(struct usb_xfer *xfer, usb_frcount_t frindex,
588 	    usb_frlength_t len);
589 void	usbd_xfer_set_timeout(struct usb_xfer *xfer, int timeout);
590 void	usbd_xfer_set_frames(struct usb_xfer *xfer, usb_frcount_t n);
591 void	usbd_xfer_set_stall(struct usb_xfer *xfer);
592 int	usbd_xfer_is_stalled(struct usb_xfer *xfer);
593 void	usbd_xfer_set_flag(struct usb_xfer *xfer, int flag);
594 void	usbd_xfer_clr_flag(struct usb_xfer *xfer, int flag);
595 uint16_t usbd_xfer_get_timestamp(struct usb_xfer *xfer);
596 uint8_t usbd_xfer_maxp_was_clamped(struct usb_xfer *xfer);
597 
598 int	copyin(const void *uaddr, void *kaddr, size_t len);
599 int	copyout(const void *kaddr, void *uaddr, size_t len);
600 int	usbd_copy_from_user(void *dest, uint32_t dest_len, const void *src, uint32_t src_len);
601 int	usbd_copy_to_user(void *dest, uint32_t dest_len, const void *src, uint32_t src_len);
602 void	usbd_copy_in(struct usb_page_cache *cache, usb_frlength_t offset,
603 	    const void *ptr, usb_frlength_t len);
604 int	usbd_copy_in_user(struct usb_page_cache *cache, usb_frlength_t offset,
605 	    const void *ptr, usb_frlength_t len);
606 void	usbd_copy_out(struct usb_page_cache *cache, usb_frlength_t offset,
607 	    void *ptr, usb_frlength_t len);
608 int	usbd_copy_out_user(struct usb_page_cache *cache, usb_frlength_t offset,
609 	    void *ptr, usb_frlength_t len);
610 void	usbd_get_page(struct usb_page_cache *pc, usb_frlength_t offset,
611 	    struct usb_page_search *res);
612 void	usbd_m_copy_in(struct usb_page_cache *cache, usb_frlength_t dst_offset,
613 	    struct mbuf *m, usb_size_t src_offset, usb_frlength_t src_len);
614 void	usbd_frame_zero(struct usb_page_cache *cache, usb_frlength_t offset,
615 	    usb_frlength_t len);
616 void	usbd_start_re_enumerate(struct usb_device *udev);
617 usb_error_t
618 	usbd_start_set_config(struct usb_device *, uint8_t);
619 
620 int	usb_fifo_attach(struct usb_device *udev, void *priv_sc,
621 	    struct mtx *priv_mtx, struct usb_fifo_methods *pm,
622 	    struct usb_fifo_sc *f_sc, uint16_t unit, int16_t subunit,
623 	    uint8_t iface_index, uid_t uid, gid_t gid, int mode);
624 void	usb_fifo_detach(struct usb_fifo_sc *f_sc);
625 int	usb_fifo_alloc_buffer(struct usb_fifo *f, uint32_t bufsize,
626 	    uint16_t nbuf);
627 void	usb_fifo_free_buffer(struct usb_fifo *f);
628 uint32_t usb_fifo_put_bytes_max(struct usb_fifo *fifo);
629 void	usb_fifo_put_data(struct usb_fifo *fifo, struct usb_page_cache *pc,
630 	    usb_frlength_t offset, usb_frlength_t len, uint8_t what);
631 void	usb_fifo_put_data_linear(struct usb_fifo *fifo, void *ptr,
632 	    usb_size_t len, uint8_t what);
633 uint8_t	usb_fifo_put_data_buffer(struct usb_fifo *f, void *ptr, usb_size_t len);
634 void	usb_fifo_put_data_error(struct usb_fifo *fifo);
635 uint8_t	usb_fifo_get_data(struct usb_fifo *fifo, struct usb_page_cache *pc,
636 	    usb_frlength_t offset, usb_frlength_t len, usb_frlength_t *actlen,
637 	    uint8_t what);
638 uint8_t	usb_fifo_get_data_linear(struct usb_fifo *fifo, void *ptr,
639 	    usb_size_t len, usb_size_t *actlen, uint8_t what);
640 uint8_t	usb_fifo_get_data_buffer(struct usb_fifo *f, void **pptr,
641 	    usb_size_t *plen);
642 void	usb_fifo_reset(struct usb_fifo *f);
643 void	usb_fifo_wakeup(struct usb_fifo *f);
644 void	usb_fifo_get_data_error(struct usb_fifo *fifo);
645 void	*usb_fifo_softc(struct usb_fifo *fifo);
646 void	usb_fifo_set_close_zlp(struct usb_fifo *, uint8_t);
647 void	usb_fifo_set_write_defrag(struct usb_fifo *, uint8_t);
648 void	usb_fifo_free(struct usb_fifo *f);
649 #endif /* _KERNEL */
650 #endif /* _USB_USBDI_H_ */
651