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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * USBSS device controller driver.
4 * Trace support header file.
5 *
6 * Copyright (C) 2018-2019 Cadence.
7 *
8 * Author: Pawel Laszczak <pawell@cadence.com>
9 */
10
11#undef TRACE_SYSTEM
12#define TRACE_SYSTEM cdns3
13
14#if !defined(__LINUX_CDNS3_TRACE) || defined(TRACE_HEADER_MULTI_READ)
15#define __LINUX_CDNS3_TRACE
16
17#include <linux/types.h>
18#include <linux/tracepoint.h>
19#include <asm/byteorder.h>
20#include <linux/usb/ch9.h>
21#include "core.h"
22#include "cdns3-gadget.h"
23#include "cdns3-debug.h"
24
25#define CDNS3_MSG_MAX 500
26
27TRACE_EVENT(cdns3_halt,
28 TP_PROTO(struct cdns3_endpoint *ep_priv, u8 halt, u8 flush),
29 TP_ARGS(ep_priv, halt, flush),
30 TP_STRUCT__entry(
31 __string(name, ep_priv->name)
32 __field(u8, halt)
33 __field(u8, flush)
34 ),
35 TP_fast_assign(
36 __assign_str(name);
37 __entry->halt = halt;
38 __entry->flush = flush;
39 ),
40 TP_printk("Halt %s for %s: %s", __entry->flush ? " and flush" : "",
41 __get_str(name), __entry->halt ? "set" : "cleared")
42);
43
44TRACE_EVENT(cdns3_wa1,
45 TP_PROTO(struct cdns3_endpoint *ep_priv, char *msg),
46 TP_ARGS(ep_priv, msg),
47 TP_STRUCT__entry(
48 __string(ep_name, ep_priv->name)
49 __string(msg, msg)
50 ),
51 TP_fast_assign(
52 __assign_str(ep_name);
53 __assign_str(msg);
54 ),
55 TP_printk("WA1: %s %s", __get_str(ep_name), __get_str(msg))
56);
57
58TRACE_EVENT(cdns3_wa2,
59 TP_PROTO(struct cdns3_endpoint *ep_priv, char *msg),
60 TP_ARGS(ep_priv, msg),
61 TP_STRUCT__entry(
62 __string(ep_name, ep_priv->name)
63 __string(msg, msg)
64 ),
65 TP_fast_assign(
66 __assign_str(ep_name);
67 __assign_str(msg);
68 ),
69 TP_printk("WA2: %s %s", __get_str(ep_name), __get_str(msg))
70);
71
72DECLARE_EVENT_CLASS(cdns3_log_doorbell,
73 TP_PROTO(const char *ep_name, u32 ep_trbaddr),
74 TP_ARGS(ep_name, ep_trbaddr),
75 TP_STRUCT__entry(
76 __string(name, ep_name)
77 __field(u32, ep_trbaddr)
78 ),
79 TP_fast_assign(
80 __assign_str(name);
81 __entry->ep_trbaddr = ep_trbaddr;
82 ),
83 TP_printk("%s, ep_trbaddr %08x", __get_str(name),
84 __entry->ep_trbaddr)
85);
86
87DEFINE_EVENT(cdns3_log_doorbell, cdns3_doorbell_ep0,
88 TP_PROTO(const char *ep_name, u32 ep_trbaddr),
89 TP_ARGS(ep_name, ep_trbaddr)
90);
91
92DEFINE_EVENT(cdns3_log_doorbell, cdns3_doorbell_epx,
93 TP_PROTO(const char *ep_name, u32 ep_trbaddr),
94 TP_ARGS(ep_name, ep_trbaddr)
95);
96
97DECLARE_EVENT_CLASS(cdns3_log_usb_irq,
98 TP_PROTO(struct cdns3_device *priv_dev, u32 usb_ists),
99 TP_ARGS(priv_dev, usb_ists),
100 TP_STRUCT__entry(
101 __field(enum usb_device_speed, speed)
102 __field(u32, usb_ists)
103 ),
104 TP_fast_assign(
105 __entry->speed = cdns3_get_speed(priv_dev);
106 __entry->usb_ists = usb_ists;
107 ),
108 TP_printk("%s", cdns3_decode_usb_irq(__get_buf(CDNS3_MSG_MAX), __entry->speed,
109 __entry->usb_ists))
110);
111
112DEFINE_EVENT(cdns3_log_usb_irq, cdns3_usb_irq,
113 TP_PROTO(struct cdns3_device *priv_dev, u32 usb_ists),
114 TP_ARGS(priv_dev, usb_ists)
115);
116
117DECLARE_EVENT_CLASS(cdns3_log_epx_irq,
118 TP_PROTO(struct cdns3_device *priv_dev, struct cdns3_endpoint *priv_ep),
119 TP_ARGS(priv_dev, priv_ep),
120 TP_STRUCT__entry(
121 __string(ep_name, priv_ep->name)
122 __field(u32, ep_sts)
123 __field(u32, ep_traddr)
124 __field(u32, ep_last_sid)
125 __field(u32, use_streams)
126 ),
127 TP_fast_assign(
128 __assign_str(ep_name);
129 __entry->ep_sts = readl(&priv_dev->regs->ep_sts);
130 __entry->ep_traddr = readl(&priv_dev->regs->ep_traddr);
131 __entry->ep_last_sid = priv_ep->last_stream_id;
132 __entry->use_streams = priv_ep->use_streams;
133 ),
134 TP_printk("%s, ep_traddr: %08x ep_last_sid: %08x use_streams: %d",
135 cdns3_decode_epx_irq(__get_buf(CDNS3_MSG_MAX),
136 __get_str(ep_name),
137 __entry->ep_sts),
138 __entry->ep_traddr,
139 __entry->ep_last_sid,
140 __entry->use_streams)
141);
142
143DEFINE_EVENT(cdns3_log_epx_irq, cdns3_epx_irq,
144 TP_PROTO(struct cdns3_device *priv_dev, struct cdns3_endpoint *priv_ep),
145 TP_ARGS(priv_dev, priv_ep)
146);
147
148DECLARE_EVENT_CLASS(cdns3_log_ep0_irq,
149 TP_PROTO(struct cdns3_device *priv_dev, u32 ep_sts),
150 TP_ARGS(priv_dev, ep_sts),
151 TP_STRUCT__entry(
152 __field(int, ep_dir)
153 __field(u32, ep_sts)
154 ),
155 TP_fast_assign(
156 __entry->ep_dir = priv_dev->selected_ep;
157 __entry->ep_sts = ep_sts;
158 ),
159 TP_printk("%s", cdns3_decode_ep0_irq(__get_buf(CDNS3_MSG_MAX),
160 __entry->ep_dir,
161 __entry->ep_sts))
162);
163
164DEFINE_EVENT(cdns3_log_ep0_irq, cdns3_ep0_irq,
165 TP_PROTO(struct cdns3_device *priv_dev, u32 ep_sts),
166 TP_ARGS(priv_dev, ep_sts)
167);
168
169DECLARE_EVENT_CLASS(cdns3_log_ctrl,
170 TP_PROTO(struct usb_ctrlrequest *ctrl),
171 TP_ARGS(ctrl),
172 TP_STRUCT__entry(
173 __field(u8, bRequestType)
174 __field(u8, bRequest)
175 __field(u16, wValue)
176 __field(u16, wIndex)
177 __field(u16, wLength)
178 ),
179 TP_fast_assign(
180 __entry->bRequestType = ctrl->bRequestType;
181 __entry->bRequest = ctrl->bRequest;
182 __entry->wValue = le16_to_cpu(ctrl->wValue);
183 __entry->wIndex = le16_to_cpu(ctrl->wIndex);
184 __entry->wLength = le16_to_cpu(ctrl->wLength);
185 ),
186 TP_printk("%s", usb_decode_ctrl(__get_buf(CDNS3_MSG_MAX), CDNS3_MSG_MAX,
187 __entry->bRequestType,
188 __entry->bRequest, __entry->wValue,
189 __entry->wIndex, __entry->wLength)
190 )
191);
192
193DEFINE_EVENT(cdns3_log_ctrl, cdns3_ctrl_req,
194 TP_PROTO(struct usb_ctrlrequest *ctrl),
195 TP_ARGS(ctrl)
196);
197
198DECLARE_EVENT_CLASS(cdns3_log_request,
199 TP_PROTO(struct cdns3_request *req),
200 TP_ARGS(req),
201 TP_STRUCT__entry(
202 __string(name, req->priv_ep->name)
203 __field(struct cdns3_request *, req)
204 __field(void *, buf)
205 __field(unsigned int, actual)
206 __field(unsigned int, length)
207 __field(int, status)
208 __field(int, zero)
209 __field(int, short_not_ok)
210 __field(int, no_interrupt)
211 __field(int, start_trb)
212 __field(int, end_trb)
213 __field(int, flags)
214 __field(unsigned int, stream_id)
215 ),
216 TP_fast_assign(
217 __assign_str(name);
218 __entry->req = req;
219 __entry->buf = req->request.buf;
220 __entry->actual = req->request.actual;
221 __entry->length = req->request.length;
222 __entry->status = req->request.status;
223 __entry->zero = req->request.zero;
224 __entry->short_not_ok = req->request.short_not_ok;
225 __entry->no_interrupt = req->request.no_interrupt;
226 __entry->start_trb = req->start_trb;
227 __entry->end_trb = req->end_trb;
228 __entry->flags = req->flags;
229 __entry->stream_id = req->request.stream_id;
230 ),
231 TP_printk("%s: req: %p, req buff %p, length: %u/%u %s%s%s, status: %d,"
232 " trb: [start:%d, end:%d], flags:%x SID: %u",
233 __get_str(name), __entry->req, __entry->buf, __entry->actual,
234 __entry->length,
235 __entry->zero ? "Z" : "z",
236 __entry->short_not_ok ? "S" : "s",
237 __entry->no_interrupt ? "I" : "i",
238 __entry->status,
239 __entry->start_trb,
240 __entry->end_trb,
241 __entry->flags,
242 __entry->stream_id
243 )
244);
245
246DEFINE_EVENT(cdns3_log_request, cdns3_alloc_request,
247 TP_PROTO(struct cdns3_request *req),
248 TP_ARGS(req)
249);
250
251DEFINE_EVENT(cdns3_log_request, cdns3_free_request,
252 TP_PROTO(struct cdns3_request *req),
253 TP_ARGS(req)
254);
255
256DEFINE_EVENT(cdns3_log_request, cdns3_ep_queue,
257 TP_PROTO(struct cdns3_request *req),
258 TP_ARGS(req)
259);
260
261DEFINE_EVENT(cdns3_log_request, cdns3_ep_dequeue,
262 TP_PROTO(struct cdns3_request *req),
263 TP_ARGS(req)
264);
265
266DEFINE_EVENT(cdns3_log_request, cdns3_gadget_giveback,
267 TP_PROTO(struct cdns3_request *req),
268 TP_ARGS(req)
269);
270
271TRACE_EVENT(cdns3_ep0_queue,
272 TP_PROTO(struct cdns3_device *dev_priv, struct usb_request *request),
273 TP_ARGS(dev_priv, request),
274 TP_STRUCT__entry(
275 __field(int, dir)
276 __field(int, length)
277 ),
278 TP_fast_assign(
279 __entry->dir = dev_priv->ep0_data_dir;
280 __entry->length = request->length;
281 ),
282 TP_printk("Queue to ep0%s length: %u", __entry->dir ? "in" : "out",
283 __entry->length)
284);
285
286DECLARE_EVENT_CLASS(cdns3_stream_split_transfer_len,
287 TP_PROTO(struct cdns3_request *req),
288 TP_ARGS(req),
289 TP_STRUCT__entry(
290 __string(name, req->priv_ep->name)
291 __field(struct cdns3_request *, req)
292 __field(unsigned int, length)
293 __field(unsigned int, actual)
294 __field(unsigned int, stream_id)
295 ),
296 TP_fast_assign(
297 __assign_str(name);
298 __entry->req = req;
299 __entry->actual = req->request.length;
300 __entry->length = req->request.actual;
301 __entry->stream_id = req->request.stream_id;
302 ),
303 TP_printk("%s: req: %p,request length: %u actual length: %u SID: %u",
304 __get_str(name), __entry->req, __entry->length,
305 __entry->actual, __entry->stream_id)
306);
307
308DEFINE_EVENT(cdns3_stream_split_transfer_len, cdns3_stream_transfer_split,
309 TP_PROTO(struct cdns3_request *req),
310 TP_ARGS(req)
311);
312
313DEFINE_EVENT(cdns3_stream_split_transfer_len,
314 cdns3_stream_transfer_split_next_part,
315 TP_PROTO(struct cdns3_request *req),
316 TP_ARGS(req)
317);
318
319DECLARE_EVENT_CLASS(cdns3_log_aligned_request,
320 TP_PROTO(struct cdns3_request *priv_req),
321 TP_ARGS(priv_req),
322 TP_STRUCT__entry(
323 __string(name, priv_req->priv_ep->name)
324 __field(struct usb_request *, req)
325 __field(void *, buf)
326 __field(dma_addr_t, dma)
327 __field(void *, aligned_buf)
328 __field(dma_addr_t, aligned_dma)
329 __field(u32, aligned_buf_size)
330 ),
331 TP_fast_assign(
332 __assign_str(name);
333 __entry->req = &priv_req->request;
334 __entry->buf = priv_req->request.buf;
335 __entry->dma = priv_req->request.dma;
336 __entry->aligned_buf = priv_req->aligned_buf->buf;
337 __entry->aligned_dma = priv_req->aligned_buf->dma;
338 __entry->aligned_buf_size = priv_req->aligned_buf->size;
339 ),
340 TP_printk("%s: req: %p, req buf %p, dma %pad a_buf %p a_dma %pad, size %d",
341 __get_str(name), __entry->req, __entry->buf, &__entry->dma,
342 __entry->aligned_buf, &__entry->aligned_dma,
343 __entry->aligned_buf_size
344 )
345);
346
347DEFINE_EVENT(cdns3_log_aligned_request, cdns3_free_aligned_request,
348 TP_PROTO(struct cdns3_request *req),
349 TP_ARGS(req)
350);
351
352DEFINE_EVENT(cdns3_log_aligned_request, cdns3_prepare_aligned_request,
353 TP_PROTO(struct cdns3_request *req),
354 TP_ARGS(req)
355);
356
357DECLARE_EVENT_CLASS(cdns3_log_map_request,
358 TP_PROTO(struct cdns3_request *priv_req),
359 TP_ARGS(priv_req),
360 TP_STRUCT__entry(
361 __string(name, priv_req->priv_ep->name)
362 __field(struct usb_request *, req)
363 __field(void *, buf)
364 __field(dma_addr_t, dma)
365 ),
366 TP_fast_assign(
367 __assign_str(name);
368 __entry->req = &priv_req->request;
369 __entry->buf = priv_req->request.buf;
370 __entry->dma = priv_req->request.dma;
371 ),
372 TP_printk("%s: req: %p, req buf %p, dma %p",
373 __get_str(name), __entry->req, __entry->buf, &__entry->dma
374 )
375);
376DEFINE_EVENT(cdns3_log_map_request, cdns3_map_request,
377 TP_PROTO(struct cdns3_request *req),
378 TP_ARGS(req)
379);
380DEFINE_EVENT(cdns3_log_map_request, cdns3_mapped_request,
381 TP_PROTO(struct cdns3_request *req),
382 TP_ARGS(req)
383);
384
385DECLARE_EVENT_CLASS(cdns3_log_trb,
386 TP_PROTO(struct cdns3_endpoint *priv_ep, struct cdns3_trb *trb),
387 TP_ARGS(priv_ep, trb),
388 TP_STRUCT__entry(
389 __string(name, priv_ep->name)
390 __field(struct cdns3_trb *, trb)
391 __field(u32, buffer)
392 __field(u32, length)
393 __field(u32, control)
394 __field(u32, type)
395 __field(unsigned int, last_stream_id)
396 ),
397 TP_fast_assign(
398 __assign_str(name);
399 __entry->trb = trb;
400 __entry->buffer = le32_to_cpu(trb->buffer);
401 __entry->length = le32_to_cpu(trb->length);
402 __entry->control = le32_to_cpu(trb->control);
403 __entry->type = usb_endpoint_type(priv_ep->endpoint.desc);
404 __entry->last_stream_id = priv_ep->last_stream_id;
405 ),
406 TP_printk("%s: trb %p, dma buf: 0x%08x, size: %ld, burst: %d ctrl: 0x%08x (%s%s%s%s%s%s%s) SID:%lu LAST_SID:%u",
407 __get_str(name), __entry->trb, __entry->buffer,
408 TRB_LEN(__entry->length),
409 (u8)TRB_BURST_LEN_GET(__entry->length),
410 __entry->control,
411 __entry->control & TRB_CYCLE ? "C=1, " : "C=0, ",
412 __entry->control & TRB_TOGGLE ? "T=1, " : "T=0, ",
413 __entry->control & TRB_ISP ? "ISP, " : "",
414 __entry->control & TRB_FIFO_MODE ? "FIFO, " : "",
415 __entry->control & TRB_CHAIN ? "CHAIN, " : "",
416 __entry->control & TRB_IOC ? "IOC, " : "",
417 TRB_FIELD_TO_TYPE(__entry->control) == TRB_NORMAL ? "Normal" : "LINK",
418 TRB_FIELD_TO_STREAMID(__entry->control),
419 __entry->last_stream_id
420 )
421);
422
423DEFINE_EVENT(cdns3_log_trb, cdns3_prepare_trb,
424 TP_PROTO(struct cdns3_endpoint *priv_ep, struct cdns3_trb *trb),
425 TP_ARGS(priv_ep, trb)
426);
427
428DEFINE_EVENT(cdns3_log_trb, cdns3_complete_trb,
429 TP_PROTO(struct cdns3_endpoint *priv_ep, struct cdns3_trb *trb),
430 TP_ARGS(priv_ep, trb)
431);
432
433DECLARE_EVENT_CLASS(cdns3_log_ring,
434 TP_PROTO(struct cdns3_endpoint *priv_ep),
435 TP_ARGS(priv_ep),
436 TP_STRUCT__entry(
437 __dynamic_array(char, buffer,
438 GET_TRBS_PER_SEGMENT(priv_ep->type) > TRBS_PER_SEGMENT ?
439 CDNS3_MSG_MAX :
440 (GET_TRBS_PER_SEGMENT(priv_ep->type) * 65) + CDNS3_MSG_MAX)
441 ),
442 TP_fast_assign(
443 cdns3_dbg_ring(priv_ep, __get_str(buffer));
444 ),
445
446 TP_printk("%s", __get_str(buffer))
447);
448
449DEFINE_EVENT(cdns3_log_ring, cdns3_ring,
450 TP_PROTO(struct cdns3_endpoint *priv_ep),
451 TP_ARGS(priv_ep)
452);
453
454DECLARE_EVENT_CLASS(cdns3_log_ep,
455 TP_PROTO(struct cdns3_endpoint *priv_ep),
456 TP_ARGS(priv_ep),
457 TP_STRUCT__entry(
458 __string(name, priv_ep->name)
459 __field(unsigned int, maxpacket)
460 __field(unsigned int, maxpacket_limit)
461 __field(unsigned int, max_streams)
462 __field(unsigned int, use_streams)
463 __field(unsigned int, maxburst)
464 __field(unsigned int, flags)
465 __field(unsigned int, dir)
466 __field(u8, enqueue)
467 __field(u8, dequeue)
468 ),
469 TP_fast_assign(
470 __assign_str(name);
471 __entry->maxpacket = priv_ep->endpoint.maxpacket;
472 __entry->maxpacket_limit = priv_ep->endpoint.maxpacket_limit;
473 __entry->max_streams = priv_ep->endpoint.max_streams;
474 __entry->use_streams = priv_ep->use_streams;
475 __entry->maxburst = priv_ep->endpoint.maxburst;
476 __entry->flags = priv_ep->flags;
477 __entry->dir = priv_ep->dir;
478 __entry->enqueue = priv_ep->enqueue;
479 __entry->dequeue = priv_ep->dequeue;
480 ),
481 TP_printk("%s: mps: %d/%d. streams: %d, stream enable: %d, burst: %d, "
482 "enq idx: %d, deq idx: %d, flags %s%s%s%s%s%s%s%s, dir: %s",
483 __get_str(name), __entry->maxpacket,
484 __entry->maxpacket_limit, __entry->max_streams,
485 __entry->use_streams,
486 __entry->maxburst, __entry->enqueue,
487 __entry->dequeue,
488 __entry->flags & EP_ENABLED ? "EN | " : "",
489 __entry->flags & EP_STALLED ? "STALLED | " : "",
490 __entry->flags & EP_WEDGE ? "WEDGE | " : "",
491 __entry->flags & EP_TRANSFER_STARTED ? "STARTED | " : "",
492 __entry->flags & EP_UPDATE_EP_TRBADDR ? "UPD TRB | " : "",
493 __entry->flags & EP_PENDING_REQUEST ? "REQ PEN | " : "",
494 __entry->flags & EP_RING_FULL ? "RING FULL |" : "",
495 __entry->flags & EP_CLAIMED ? "CLAIMED " : "",
496 __entry->dir ? "IN" : "OUT"
497 )
498);
499
500DEFINE_EVENT(cdns3_log_ep, cdns3_gadget_ep_enable,
501 TP_PROTO(struct cdns3_endpoint *priv_ep),
502 TP_ARGS(priv_ep)
503);
504
505DEFINE_EVENT(cdns3_log_ep, cdns3_gadget_ep_disable,
506 TP_PROTO(struct cdns3_endpoint *priv_ep),
507 TP_ARGS(priv_ep)
508);
509
510DECLARE_EVENT_CLASS(cdns3_log_request_handled,
511 TP_PROTO(struct cdns3_request *priv_req, int current_index,
512 int handled),
513 TP_ARGS(priv_req, current_index, handled),
514 TP_STRUCT__entry(
515 __field(struct cdns3_request *, priv_req)
516 __field(unsigned int, dma_position)
517 __field(unsigned int, handled)
518 __field(unsigned int, dequeue_idx)
519 __field(unsigned int, enqueue_idx)
520 __field(unsigned int, start_trb)
521 __field(unsigned int, end_trb)
522 ),
523 TP_fast_assign(
524 __entry->priv_req = priv_req;
525 __entry->dma_position = current_index;
526 __entry->handled = handled;
527 __entry->dequeue_idx = priv_req->priv_ep->dequeue;
528 __entry->enqueue_idx = priv_req->priv_ep->enqueue;
529 __entry->start_trb = priv_req->start_trb;
530 __entry->end_trb = priv_req->end_trb;
531 ),
532 TP_printk("Req: %p %s, DMA pos: %d, ep deq: %d, ep enq: %d,"
533 " start trb: %d, end trb: %d",
534 __entry->priv_req,
535 __entry->handled ? "handled" : "not handled",
536 __entry->dma_position, __entry->dequeue_idx,
537 __entry->enqueue_idx, __entry->start_trb,
538 __entry->end_trb
539 )
540);
541
542DEFINE_EVENT(cdns3_log_request_handled, cdns3_request_handled,
543 TP_PROTO(struct cdns3_request *priv_req, int current_index,
544 int handled),
545 TP_ARGS(priv_req, current_index, handled)
546);
547#endif /* __LINUX_CDNS3_TRACE */
548
549/* this part must be outside header guard */
550
551#undef TRACE_INCLUDE_PATH
552#define TRACE_INCLUDE_PATH .
553
554#undef TRACE_INCLUDE_FILE
555#define TRACE_INCLUDE_FILE cdns3-trace
556
557#include <trace/define_trace.h>