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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, ep_priv->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, ep_priv->name);
53 __assign_str(msg, 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, ep_priv->name);
67 __assign_str(msg, 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, ep_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 __dynamic_array(char, str, CDNS3_MSG_MAX)
104 ),
105 TP_fast_assign(
106 __entry->speed = cdns3_get_speed(priv_dev);
107 __entry->usb_ists = usb_ists;
108 ),
109 TP_printk("%s", cdns3_decode_usb_irq(__get_str(str), __entry->speed,
110 __entry->usb_ists))
111);
112
113DEFINE_EVENT(cdns3_log_usb_irq, cdns3_usb_irq,
114 TP_PROTO(struct cdns3_device *priv_dev, u32 usb_ists),
115 TP_ARGS(priv_dev, usb_ists)
116);
117
118DECLARE_EVENT_CLASS(cdns3_log_epx_irq,
119 TP_PROTO(struct cdns3_device *priv_dev, struct cdns3_endpoint *priv_ep),
120 TP_ARGS(priv_dev, priv_ep),
121 TP_STRUCT__entry(
122 __string(ep_name, priv_ep->name)
123 __field(u32, ep_sts)
124 __field(u32, ep_traddr)
125 __field(u32, ep_last_sid)
126 __field(u32, use_streams)
127 __dynamic_array(char, str, CDNS3_MSG_MAX)
128 ),
129 TP_fast_assign(
130 __assign_str(ep_name, priv_ep->name);
131 __entry->ep_sts = readl(&priv_dev->regs->ep_sts);
132 __entry->ep_traddr = readl(&priv_dev->regs->ep_traddr);
133 __entry->ep_last_sid = priv_ep->last_stream_id;
134 __entry->use_streams = priv_ep->use_streams;
135 ),
136 TP_printk("%s, ep_traddr: %08x ep_last_sid: %08x use_streams: %d",
137 cdns3_decode_epx_irq(__get_str(str),
138 __get_str(ep_name),
139 __entry->ep_sts),
140 __entry->ep_traddr,
141 __entry->ep_last_sid,
142 __entry->use_streams)
143);
144
145DEFINE_EVENT(cdns3_log_epx_irq, cdns3_epx_irq,
146 TP_PROTO(struct cdns3_device *priv_dev, struct cdns3_endpoint *priv_ep),
147 TP_ARGS(priv_dev, priv_ep)
148);
149
150DECLARE_EVENT_CLASS(cdns3_log_ep0_irq,
151 TP_PROTO(struct cdns3_device *priv_dev, u32 ep_sts),
152 TP_ARGS(priv_dev, ep_sts),
153 TP_STRUCT__entry(
154 __field(int, ep_dir)
155 __field(u32, ep_sts)
156 __dynamic_array(char, str, CDNS3_MSG_MAX)
157 ),
158 TP_fast_assign(
159 __entry->ep_dir = priv_dev->selected_ep;
160 __entry->ep_sts = ep_sts;
161 ),
162 TP_printk("%s", cdns3_decode_ep0_irq(__get_str(str),
163 __entry->ep_dir,
164 __entry->ep_sts))
165);
166
167DEFINE_EVENT(cdns3_log_ep0_irq, cdns3_ep0_irq,
168 TP_PROTO(struct cdns3_device *priv_dev, u32 ep_sts),
169 TP_ARGS(priv_dev, ep_sts)
170);
171
172DECLARE_EVENT_CLASS(cdns3_log_ctrl,
173 TP_PROTO(struct usb_ctrlrequest *ctrl),
174 TP_ARGS(ctrl),
175 TP_STRUCT__entry(
176 __field(u8, bRequestType)
177 __field(u8, bRequest)
178 __field(u16, wValue)
179 __field(u16, wIndex)
180 __field(u16, wLength)
181 __dynamic_array(char, str, CDNS3_MSG_MAX)
182 ),
183 TP_fast_assign(
184 __entry->bRequestType = ctrl->bRequestType;
185 __entry->bRequest = ctrl->bRequest;
186 __entry->wValue = le16_to_cpu(ctrl->wValue);
187 __entry->wIndex = le16_to_cpu(ctrl->wIndex);
188 __entry->wLength = le16_to_cpu(ctrl->wLength);
189 ),
190 TP_printk("%s", usb_decode_ctrl(__get_str(str), CDNS3_MSG_MAX,
191 __entry->bRequestType,
192 __entry->bRequest, __entry->wValue,
193 __entry->wIndex, __entry->wLength)
194 )
195);
196
197DEFINE_EVENT(cdns3_log_ctrl, cdns3_ctrl_req,
198 TP_PROTO(struct usb_ctrlrequest *ctrl),
199 TP_ARGS(ctrl)
200);
201
202DECLARE_EVENT_CLASS(cdns3_log_request,
203 TP_PROTO(struct cdns3_request *req),
204 TP_ARGS(req),
205 TP_STRUCT__entry(
206 __string(name, req->priv_ep->name)
207 __field(struct cdns3_request *, req)
208 __field(void *, buf)
209 __field(unsigned int, actual)
210 __field(unsigned int, length)
211 __field(int, status)
212 __field(int, zero)
213 __field(int, short_not_ok)
214 __field(int, no_interrupt)
215 __field(int, start_trb)
216 __field(int, end_trb)
217 __field(int, flags)
218 __field(unsigned int, stream_id)
219 ),
220 TP_fast_assign(
221 __assign_str(name, req->priv_ep->name);
222 __entry->req = req;
223 __entry->buf = req->request.buf;
224 __entry->actual = req->request.actual;
225 __entry->length = req->request.length;
226 __entry->status = req->request.status;
227 __entry->zero = req->request.zero;
228 __entry->short_not_ok = req->request.short_not_ok;
229 __entry->no_interrupt = req->request.no_interrupt;
230 __entry->start_trb = req->start_trb;
231 __entry->end_trb = req->end_trb;
232 __entry->flags = req->flags;
233 __entry->stream_id = req->request.stream_id;
234 ),
235 TP_printk("%s: req: %p, req buff %p, length: %u/%u %s%s%s, status: %d,"
236 " trb: [start:%d, end:%d], flags:%x SID: %u",
237 __get_str(name), __entry->req, __entry->buf, __entry->actual,
238 __entry->length,
239 __entry->zero ? "Z" : "z",
240 __entry->short_not_ok ? "S" : "s",
241 __entry->no_interrupt ? "I" : "i",
242 __entry->status,
243 __entry->start_trb,
244 __entry->end_trb,
245 __entry->flags,
246 __entry->stream_id
247 )
248);
249
250DEFINE_EVENT(cdns3_log_request, cdns3_alloc_request,
251 TP_PROTO(struct cdns3_request *req),
252 TP_ARGS(req)
253);
254
255DEFINE_EVENT(cdns3_log_request, cdns3_free_request,
256 TP_PROTO(struct cdns3_request *req),
257 TP_ARGS(req)
258);
259
260DEFINE_EVENT(cdns3_log_request, cdns3_ep_queue,
261 TP_PROTO(struct cdns3_request *req),
262 TP_ARGS(req)
263);
264
265DEFINE_EVENT(cdns3_log_request, cdns3_ep_dequeue,
266 TP_PROTO(struct cdns3_request *req),
267 TP_ARGS(req)
268);
269
270DEFINE_EVENT(cdns3_log_request, cdns3_gadget_giveback,
271 TP_PROTO(struct cdns3_request *req),
272 TP_ARGS(req)
273);
274
275TRACE_EVENT(cdns3_ep0_queue,
276 TP_PROTO(struct cdns3_device *dev_priv, struct usb_request *request),
277 TP_ARGS(dev_priv, request),
278 TP_STRUCT__entry(
279 __field(int, dir)
280 __field(int, length)
281 ),
282 TP_fast_assign(
283 __entry->dir = dev_priv->ep0_data_dir;
284 __entry->length = request->length;
285 ),
286 TP_printk("Queue to ep0%s length: %u", __entry->dir ? "in" : "out",
287 __entry->length)
288);
289
290DECLARE_EVENT_CLASS(cdns3_stream_split_transfer_len,
291 TP_PROTO(struct cdns3_request *req),
292 TP_ARGS(req),
293 TP_STRUCT__entry(
294 __string(name, req->priv_ep->name)
295 __field(struct cdns3_request *, req)
296 __field(unsigned int, length)
297 __field(unsigned int, actual)
298 __field(unsigned int, stream_id)
299 ),
300 TP_fast_assign(
301 __assign_str(name, req->priv_ep->name);
302 __entry->req = req;
303 __entry->actual = req->request.length;
304 __entry->length = req->request.actual;
305 __entry->stream_id = req->request.stream_id;
306 ),
307 TP_printk("%s: req: %p,request length: %u actual length: %u SID: %u",
308 __get_str(name), __entry->req, __entry->length,
309 __entry->actual, __entry->stream_id)
310);
311
312DEFINE_EVENT(cdns3_stream_split_transfer_len, cdns3_stream_transfer_split,
313 TP_PROTO(struct cdns3_request *req),
314 TP_ARGS(req)
315);
316
317DEFINE_EVENT(cdns3_stream_split_transfer_len,
318 cdns3_stream_transfer_split_next_part,
319 TP_PROTO(struct cdns3_request *req),
320 TP_ARGS(req)
321);
322
323DECLARE_EVENT_CLASS(cdns3_log_aligned_request,
324 TP_PROTO(struct cdns3_request *priv_req),
325 TP_ARGS(priv_req),
326 TP_STRUCT__entry(
327 __string(name, priv_req->priv_ep->name)
328 __field(struct usb_request *, req)
329 __field(void *, buf)
330 __field(dma_addr_t, dma)
331 __field(void *, aligned_buf)
332 __field(dma_addr_t, aligned_dma)
333 __field(u32, aligned_buf_size)
334 ),
335 TP_fast_assign(
336 __assign_str(name, priv_req->priv_ep->name);
337 __entry->req = &priv_req->request;
338 __entry->buf = priv_req->request.buf;
339 __entry->dma = priv_req->request.dma;
340 __entry->aligned_buf = priv_req->aligned_buf->buf;
341 __entry->aligned_dma = priv_req->aligned_buf->dma;
342 __entry->aligned_buf_size = priv_req->aligned_buf->size;
343 ),
344 TP_printk("%s: req: %p, req buf %p, dma %pad a_buf %p a_dma %pad, size %d",
345 __get_str(name), __entry->req, __entry->buf, &__entry->dma,
346 __entry->aligned_buf, &__entry->aligned_dma,
347 __entry->aligned_buf_size
348 )
349);
350
351DEFINE_EVENT(cdns3_log_aligned_request, cdns3_free_aligned_request,
352 TP_PROTO(struct cdns3_request *req),
353 TP_ARGS(req)
354);
355
356DEFINE_EVENT(cdns3_log_aligned_request, cdns3_prepare_aligned_request,
357 TP_PROTO(struct cdns3_request *req),
358 TP_ARGS(req)
359);
360
361DECLARE_EVENT_CLASS(cdns3_log_map_request,
362 TP_PROTO(struct cdns3_request *priv_req),
363 TP_ARGS(priv_req),
364 TP_STRUCT__entry(
365 __string(name, priv_req->priv_ep->name)
366 __field(struct usb_request *, req)
367 __field(void *, buf)
368 __field(dma_addr_t, dma)
369 ),
370 TP_fast_assign(
371 __assign_str(name, priv_req->priv_ep->name);
372 __entry->req = &priv_req->request;
373 __entry->buf = priv_req->request.buf;
374 __entry->dma = priv_req->request.dma;
375 ),
376 TP_printk("%s: req: %p, req buf %p, dma %p",
377 __get_str(name), __entry->req, __entry->buf, &__entry->dma
378 )
379);
380DEFINE_EVENT(cdns3_log_map_request, cdns3_map_request,
381 TP_PROTO(struct cdns3_request *req),
382 TP_ARGS(req)
383);
384DEFINE_EVENT(cdns3_log_map_request, cdns3_mapped_request,
385 TP_PROTO(struct cdns3_request *req),
386 TP_ARGS(req)
387);
388
389DECLARE_EVENT_CLASS(cdns3_log_trb,
390 TP_PROTO(struct cdns3_endpoint *priv_ep, struct cdns3_trb *trb),
391 TP_ARGS(priv_ep, trb),
392 TP_STRUCT__entry(
393 __string(name, priv_ep->name)
394 __field(struct cdns3_trb *, trb)
395 __field(u32, buffer)
396 __field(u32, length)
397 __field(u32, control)
398 __field(u32, type)
399 __field(unsigned int, last_stream_id)
400 ),
401 TP_fast_assign(
402 __assign_str(name, priv_ep->name);
403 __entry->trb = trb;
404 __entry->buffer = le32_to_cpu(trb->buffer);
405 __entry->length = le32_to_cpu(trb->length);
406 __entry->control = le32_to_cpu(trb->control);
407 __entry->type = usb_endpoint_type(priv_ep->endpoint.desc);
408 __entry->last_stream_id = priv_ep->last_stream_id;
409 ),
410 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",
411 __get_str(name), __entry->trb, __entry->buffer,
412 TRB_LEN(__entry->length),
413 (u8)TRB_BURST_LEN_GET(__entry->length),
414 __entry->control,
415 __entry->control & TRB_CYCLE ? "C=1, " : "C=0, ",
416 __entry->control & TRB_TOGGLE ? "T=1, " : "T=0, ",
417 __entry->control & TRB_ISP ? "ISP, " : "",
418 __entry->control & TRB_FIFO_MODE ? "FIFO, " : "",
419 __entry->control & TRB_CHAIN ? "CHAIN, " : "",
420 __entry->control & TRB_IOC ? "IOC, " : "",
421 TRB_FIELD_TO_TYPE(__entry->control) == TRB_NORMAL ? "Normal" : "LINK",
422 TRB_FIELD_TO_STREAMID(__entry->control),
423 __entry->last_stream_id
424 )
425);
426
427DEFINE_EVENT(cdns3_log_trb, cdns3_prepare_trb,
428 TP_PROTO(struct cdns3_endpoint *priv_ep, struct cdns3_trb *trb),
429 TP_ARGS(priv_ep, trb)
430);
431
432DEFINE_EVENT(cdns3_log_trb, cdns3_complete_trb,
433 TP_PROTO(struct cdns3_endpoint *priv_ep, struct cdns3_trb *trb),
434 TP_ARGS(priv_ep, trb)
435);
436
437DECLARE_EVENT_CLASS(cdns3_log_ring,
438 TP_PROTO(struct cdns3_endpoint *priv_ep),
439 TP_ARGS(priv_ep),
440 TP_STRUCT__entry(
441 __dynamic_array(u8, ring, TRB_RING_SIZE)
442 __dynamic_array(u8, priv_ep, sizeof(struct cdns3_endpoint))
443 __dynamic_array(char, buffer,
444 (TRBS_PER_SEGMENT * 65) + CDNS3_MSG_MAX)
445 ),
446 TP_fast_assign(
447 memcpy(__get_dynamic_array(priv_ep), priv_ep,
448 sizeof(struct cdns3_endpoint));
449 memcpy(__get_dynamic_array(ring), priv_ep->trb_pool,
450 TRB_RING_SIZE);
451 ),
452
453 TP_printk("%s",
454 cdns3_dbg_ring((struct cdns3_endpoint *)__get_str(priv_ep),
455 (struct cdns3_trb *)__get_str(ring),
456 __get_str(buffer)))
457);
458
459DEFINE_EVENT(cdns3_log_ring, cdns3_ring,
460 TP_PROTO(struct cdns3_endpoint *priv_ep),
461 TP_ARGS(priv_ep)
462);
463
464DECLARE_EVENT_CLASS(cdns3_log_ep,
465 TP_PROTO(struct cdns3_endpoint *priv_ep),
466 TP_ARGS(priv_ep),
467 TP_STRUCT__entry(
468 __string(name, priv_ep->name)
469 __field(unsigned int, maxpacket)
470 __field(unsigned int, maxpacket_limit)
471 __field(unsigned int, max_streams)
472 __field(unsigned int, use_streams)
473 __field(unsigned int, maxburst)
474 __field(unsigned int, flags)
475 __field(unsigned int, dir)
476 __field(u8, enqueue)
477 __field(u8, dequeue)
478 ),
479 TP_fast_assign(
480 __assign_str(name, priv_ep->name);
481 __entry->maxpacket = priv_ep->endpoint.maxpacket;
482 __entry->maxpacket_limit = priv_ep->endpoint.maxpacket_limit;
483 __entry->max_streams = priv_ep->endpoint.max_streams;
484 __entry->use_streams = priv_ep->use_streams;
485 __entry->maxburst = priv_ep->endpoint.maxburst;
486 __entry->flags = priv_ep->flags;
487 __entry->dir = priv_ep->dir;
488 __entry->enqueue = priv_ep->enqueue;
489 __entry->dequeue = priv_ep->dequeue;
490 ),
491 TP_printk("%s: mps: %d/%d. streams: %d, stream enable: %d, burst: %d, "
492 "enq idx: %d, deq idx: %d, flags %s%s%s%s%s%s%s%s, dir: %s",
493 __get_str(name), __entry->maxpacket,
494 __entry->maxpacket_limit, __entry->max_streams,
495 __entry->use_streams,
496 __entry->maxburst, __entry->enqueue,
497 __entry->dequeue,
498 __entry->flags & EP_ENABLED ? "EN | " : "",
499 __entry->flags & EP_STALLED ? "STALLED | " : "",
500 __entry->flags & EP_WEDGE ? "WEDGE | " : "",
501 __entry->flags & EP_TRANSFER_STARTED ? "STARTED | " : "",
502 __entry->flags & EP_UPDATE_EP_TRBADDR ? "UPD TRB | " : "",
503 __entry->flags & EP_PENDING_REQUEST ? "REQ PEN | " : "",
504 __entry->flags & EP_RING_FULL ? "RING FULL |" : "",
505 __entry->flags & EP_CLAIMED ? "CLAIMED " : "",
506 __entry->dir ? "IN" : "OUT"
507 )
508);
509
510DEFINE_EVENT(cdns3_log_ep, cdns3_gadget_ep_enable,
511 TP_PROTO(struct cdns3_endpoint *priv_ep),
512 TP_ARGS(priv_ep)
513);
514
515DEFINE_EVENT(cdns3_log_ep, cdns3_gadget_ep_disable,
516 TP_PROTO(struct cdns3_endpoint *priv_ep),
517 TP_ARGS(priv_ep)
518);
519
520DECLARE_EVENT_CLASS(cdns3_log_request_handled,
521 TP_PROTO(struct cdns3_request *priv_req, int current_index,
522 int handled),
523 TP_ARGS(priv_req, current_index, handled),
524 TP_STRUCT__entry(
525 __field(struct cdns3_request *, priv_req)
526 __field(unsigned int, dma_position)
527 __field(unsigned int, handled)
528 __field(unsigned int, dequeue_idx)
529 __field(unsigned int, enqueue_idx)
530 __field(unsigned int, start_trb)
531 __field(unsigned int, end_trb)
532 ),
533 TP_fast_assign(
534 __entry->priv_req = priv_req;
535 __entry->dma_position = current_index;
536 __entry->handled = handled;
537 __entry->dequeue_idx = priv_req->priv_ep->dequeue;
538 __entry->enqueue_idx = priv_req->priv_ep->enqueue;
539 __entry->start_trb = priv_req->start_trb;
540 __entry->end_trb = priv_req->end_trb;
541 ),
542 TP_printk("Req: %p %s, DMA pos: %d, ep deq: %d, ep enq: %d,"
543 " start trb: %d, end trb: %d",
544 __entry->priv_req,
545 __entry->handled ? "handled" : "not handled",
546 __entry->dma_position, __entry->dequeue_idx,
547 __entry->enqueue_idx, __entry->start_trb,
548 __entry->end_trb
549 )
550);
551
552DEFINE_EVENT(cdns3_log_request_handled, cdns3_request_handled,
553 TP_PROTO(struct cdns3_request *priv_req, int current_index,
554 int handled),
555 TP_ARGS(priv_req, current_index, handled)
556);
557#endif /* __LINUX_CDNS3_TRACE */
558
559/* this part must be outside header guard */
560
561#undef TRACE_INCLUDE_PATH
562#define TRACE_INCLUDE_PATH .
563
564#undef TRACE_INCLUDE_FILE
565#define TRACE_INCLUDE_FILE cdns3-trace
566
567#include <trace/define_trace.h>