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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 "gadget.h"
23#include "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(struct cdns3_trb *, start_trb_addr)
218 __field(int, flags)
219 __field(unsigned int, stream_id)
220 ),
221 TP_fast_assign(
222 __assign_str(name, req->priv_ep->name);
223 __entry->req = req;
224 __entry->buf = req->request.buf;
225 __entry->actual = req->request.actual;
226 __entry->length = req->request.length;
227 __entry->status = req->request.status;
228 __entry->zero = req->request.zero;
229 __entry->short_not_ok = req->request.short_not_ok;
230 __entry->no_interrupt = req->request.no_interrupt;
231 __entry->start_trb = req->start_trb;
232 __entry->end_trb = req->end_trb;
233 __entry->start_trb_addr = req->trb;
234 __entry->flags = req->flags;
235 __entry->stream_id = req->request.stream_id;
236 ),
237 TP_printk("%s: req: %p, req buff %p, length: %u/%u %s%s%s, status: %d,"
238 " trb: [start:%d, end:%d: virt addr %pa], flags:%x SID: %u",
239 __get_str(name), __entry->req, __entry->buf, __entry->actual,
240 __entry->length,
241 __entry->zero ? "Z" : "z",
242 __entry->short_not_ok ? "S" : "s",
243 __entry->no_interrupt ? "I" : "i",
244 __entry->status,
245 __entry->start_trb,
246 __entry->end_trb,
247 __entry->start_trb_addr,
248 __entry->flags,
249 __entry->stream_id
250 )
251);
252
253DEFINE_EVENT(cdns3_log_request, cdns3_alloc_request,
254 TP_PROTO(struct cdns3_request *req),
255 TP_ARGS(req)
256);
257
258DEFINE_EVENT(cdns3_log_request, cdns3_free_request,
259 TP_PROTO(struct cdns3_request *req),
260 TP_ARGS(req)
261);
262
263DEFINE_EVENT(cdns3_log_request, cdns3_ep_queue,
264 TP_PROTO(struct cdns3_request *req),
265 TP_ARGS(req)
266);
267
268DEFINE_EVENT(cdns3_log_request, cdns3_ep_dequeue,
269 TP_PROTO(struct cdns3_request *req),
270 TP_ARGS(req)
271);
272
273DEFINE_EVENT(cdns3_log_request, cdns3_gadget_giveback,
274 TP_PROTO(struct cdns3_request *req),
275 TP_ARGS(req)
276);
277
278TRACE_EVENT(cdns3_ep0_queue,
279 TP_PROTO(struct cdns3_device *dev_priv, struct usb_request *request),
280 TP_ARGS(dev_priv, request),
281 TP_STRUCT__entry(
282 __field(int, dir)
283 __field(int, length)
284 ),
285 TP_fast_assign(
286 __entry->dir = dev_priv->ep0_data_dir;
287 __entry->length = request->length;
288 ),
289 TP_printk("Queue to ep0%s length: %u", __entry->dir ? "in" : "out",
290 __entry->length)
291);
292
293DECLARE_EVENT_CLASS(cdns3_stream_split_transfer_len,
294 TP_PROTO(struct cdns3_request *req),
295 TP_ARGS(req),
296 TP_STRUCT__entry(
297 __string(name, req->priv_ep->name)
298 __field(struct cdns3_request *, req)
299 __field(unsigned int, length)
300 __field(unsigned int, actual)
301 __field(unsigned int, stream_id)
302 ),
303 TP_fast_assign(
304 __assign_str(name, req->priv_ep->name);
305 __entry->req = req;
306 __entry->actual = req->request.length;
307 __entry->length = req->request.actual;
308 __entry->stream_id = req->request.stream_id;
309 ),
310 TP_printk("%s: req: %p,request length: %u actual length: %u SID: %u",
311 __get_str(name), __entry->req, __entry->length,
312 __entry->actual, __entry->stream_id)
313);
314
315DEFINE_EVENT(cdns3_stream_split_transfer_len, cdns3_stream_transfer_split,
316 TP_PROTO(struct cdns3_request *req),
317 TP_ARGS(req)
318);
319
320DEFINE_EVENT(cdns3_stream_split_transfer_len,
321 cdns3_stream_transfer_split_next_part,
322 TP_PROTO(struct cdns3_request *req),
323 TP_ARGS(req)
324);
325
326DECLARE_EVENT_CLASS(cdns3_log_aligned_request,
327 TP_PROTO(struct cdns3_request *priv_req),
328 TP_ARGS(priv_req),
329 TP_STRUCT__entry(
330 __string(name, priv_req->priv_ep->name)
331 __field(struct usb_request *, req)
332 __field(void *, buf)
333 __field(dma_addr_t, dma)
334 __field(void *, aligned_buf)
335 __field(dma_addr_t, aligned_dma)
336 __field(u32, aligned_buf_size)
337 ),
338 TP_fast_assign(
339 __assign_str(name, priv_req->priv_ep->name);
340 __entry->req = &priv_req->request;
341 __entry->buf = priv_req->request.buf;
342 __entry->dma = priv_req->request.dma;
343 __entry->aligned_buf = priv_req->aligned_buf->buf;
344 __entry->aligned_dma = priv_req->aligned_buf->dma;
345 __entry->aligned_buf_size = priv_req->aligned_buf->size;
346 ),
347 TP_printk("%s: req: %p, req buf %p, dma %pad a_buf %p a_dma %pad, size %d",
348 __get_str(name), __entry->req, __entry->buf, &__entry->dma,
349 __entry->aligned_buf, &__entry->aligned_dma,
350 __entry->aligned_buf_size
351 )
352);
353
354DEFINE_EVENT(cdns3_log_aligned_request, cdns3_free_aligned_request,
355 TP_PROTO(struct cdns3_request *req),
356 TP_ARGS(req)
357);
358
359DEFINE_EVENT(cdns3_log_aligned_request, cdns3_prepare_aligned_request,
360 TP_PROTO(struct cdns3_request *req),
361 TP_ARGS(req)
362);
363
364DECLARE_EVENT_CLASS(cdns3_log_map_request,
365 TP_PROTO(struct cdns3_request *priv_req),
366 TP_ARGS(priv_req),
367 TP_STRUCT__entry(
368 __string(name, priv_req->priv_ep->name)
369 __field(struct usb_request *, req)
370 __field(void *, buf)
371 __field(dma_addr_t, dma)
372 ),
373 TP_fast_assign(
374 __assign_str(name, priv_req->priv_ep->name);
375 __entry->req = &priv_req->request;
376 __entry->buf = priv_req->request.buf;
377 __entry->dma = priv_req->request.dma;
378 ),
379 TP_printk("%s: req: %p, req buf %p, dma %p",
380 __get_str(name), __entry->req, __entry->buf, &__entry->dma
381 )
382);
383DEFINE_EVENT(cdns3_log_map_request, cdns3_map_request,
384 TP_PROTO(struct cdns3_request *req),
385 TP_ARGS(req)
386);
387DEFINE_EVENT(cdns3_log_map_request, cdns3_mapped_request,
388 TP_PROTO(struct cdns3_request *req),
389 TP_ARGS(req)
390);
391
392DECLARE_EVENT_CLASS(cdns3_log_trb,
393 TP_PROTO(struct cdns3_endpoint *priv_ep, struct cdns3_trb *trb),
394 TP_ARGS(priv_ep, trb),
395 TP_STRUCT__entry(
396 __string(name, priv_ep->name)
397 __field(struct cdns3_trb *, trb)
398 __field(u32, buffer)
399 __field(u32, length)
400 __field(u32, control)
401 __field(u32, type)
402 __field(unsigned int, last_stream_id)
403 ),
404 TP_fast_assign(
405 __assign_str(name, priv_ep->name);
406 __entry->trb = trb;
407 __entry->buffer = le32_to_cpu(trb->buffer);
408 __entry->length = le32_to_cpu(trb->length);
409 __entry->control = le32_to_cpu(trb->control);
410 __entry->type = usb_endpoint_type(priv_ep->endpoint.desc);
411 __entry->last_stream_id = priv_ep->last_stream_id;
412 ),
413 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",
414 __get_str(name), __entry->trb, __entry->buffer,
415 TRB_LEN(__entry->length),
416 (u8)TRB_BURST_LEN_GET(__entry->length),
417 __entry->control,
418 __entry->control & TRB_CYCLE ? "C=1, " : "C=0, ",
419 __entry->control & TRB_TOGGLE ? "T=1, " : "T=0, ",
420 __entry->control & TRB_ISP ? "ISP, " : "",
421 __entry->control & TRB_FIFO_MODE ? "FIFO, " : "",
422 __entry->control & TRB_CHAIN ? "CHAIN, " : "",
423 __entry->control & TRB_IOC ? "IOC, " : "",
424 TRB_FIELD_TO_TYPE(__entry->control) == TRB_NORMAL ? "Normal" : "LINK",
425 TRB_FIELD_TO_STREAMID(__entry->control),
426 __entry->last_stream_id
427 )
428);
429
430DEFINE_EVENT(cdns3_log_trb, cdns3_prepare_trb,
431 TP_PROTO(struct cdns3_endpoint *priv_ep, struct cdns3_trb *trb),
432 TP_ARGS(priv_ep, trb)
433);
434
435DEFINE_EVENT(cdns3_log_trb, cdns3_complete_trb,
436 TP_PROTO(struct cdns3_endpoint *priv_ep, struct cdns3_trb *trb),
437 TP_ARGS(priv_ep, trb)
438);
439
440DECLARE_EVENT_CLASS(cdns3_log_ring,
441 TP_PROTO(struct cdns3_endpoint *priv_ep),
442 TP_ARGS(priv_ep),
443 TP_STRUCT__entry(
444 __dynamic_array(u8, ring, TRB_RING_SIZE)
445 __dynamic_array(u8, priv_ep, sizeof(struct cdns3_endpoint))
446 __dynamic_array(char, buffer,
447 (TRBS_PER_SEGMENT * 65) + CDNS3_MSG_MAX)
448 ),
449 TP_fast_assign(
450 memcpy(__get_dynamic_array(priv_ep), priv_ep,
451 sizeof(struct cdns3_endpoint));
452 memcpy(__get_dynamic_array(ring), priv_ep->trb_pool,
453 TRB_RING_SIZE);
454 ),
455
456 TP_printk("%s",
457 cdns3_dbg_ring((struct cdns3_endpoint *)__get_str(priv_ep),
458 (struct cdns3_trb *)__get_str(ring),
459 __get_str(buffer)))
460);
461
462DEFINE_EVENT(cdns3_log_ring, cdns3_ring,
463 TP_PROTO(struct cdns3_endpoint *priv_ep),
464 TP_ARGS(priv_ep)
465);
466
467DECLARE_EVENT_CLASS(cdns3_log_ep,
468 TP_PROTO(struct cdns3_endpoint *priv_ep),
469 TP_ARGS(priv_ep),
470 TP_STRUCT__entry(
471 __string(name, priv_ep->name)
472 __field(unsigned int, maxpacket)
473 __field(unsigned int, maxpacket_limit)
474 __field(unsigned int, max_streams)
475 __field(unsigned int, use_streams)
476 __field(unsigned int, maxburst)
477 __field(unsigned int, flags)
478 __field(unsigned int, dir)
479 __field(u8, enqueue)
480 __field(u8, dequeue)
481 ),
482 TP_fast_assign(
483 __assign_str(name, priv_ep->name);
484 __entry->maxpacket = priv_ep->endpoint.maxpacket;
485 __entry->maxpacket_limit = priv_ep->endpoint.maxpacket_limit;
486 __entry->max_streams = priv_ep->endpoint.max_streams;
487 __entry->use_streams = priv_ep->use_streams;
488 __entry->maxburst = priv_ep->endpoint.maxburst;
489 __entry->flags = priv_ep->flags;
490 __entry->dir = priv_ep->dir;
491 __entry->enqueue = priv_ep->enqueue;
492 __entry->dequeue = priv_ep->dequeue;
493 ),
494 TP_printk("%s: mps: %d/%d. streams: %d, stream enable: %d, burst: %d, "
495 "enq idx: %d, deq idx: %d, flags %s%s%s%s%s%s%s%s, dir: %s",
496 __get_str(name), __entry->maxpacket,
497 __entry->maxpacket_limit, __entry->max_streams,
498 __entry->use_streams,
499 __entry->maxburst, __entry->enqueue,
500 __entry->dequeue,
501 __entry->flags & EP_ENABLED ? "EN | " : "",
502 __entry->flags & EP_STALLED ? "STALLED | " : "",
503 __entry->flags & EP_WEDGE ? "WEDGE | " : "",
504 __entry->flags & EP_TRANSFER_STARTED ? "STARTED | " : "",
505 __entry->flags & EP_UPDATE_EP_TRBADDR ? "UPD TRB | " : "",
506 __entry->flags & EP_PENDING_REQUEST ? "REQ PEN | " : "",
507 __entry->flags & EP_RING_FULL ? "RING FULL |" : "",
508 __entry->flags & EP_CLAIMED ? "CLAIMED " : "",
509 __entry->dir ? "IN" : "OUT"
510 )
511);
512
513DEFINE_EVENT(cdns3_log_ep, cdns3_gadget_ep_enable,
514 TP_PROTO(struct cdns3_endpoint *priv_ep),
515 TP_ARGS(priv_ep)
516);
517
518DEFINE_EVENT(cdns3_log_ep, cdns3_gadget_ep_disable,
519 TP_PROTO(struct cdns3_endpoint *priv_ep),
520 TP_ARGS(priv_ep)
521);
522
523DECLARE_EVENT_CLASS(cdns3_log_request_handled,
524 TP_PROTO(struct cdns3_request *priv_req, int current_index,
525 int handled),
526 TP_ARGS(priv_req, current_index, handled),
527 TP_STRUCT__entry(
528 __field(struct cdns3_request *, priv_req)
529 __field(unsigned int, dma_position)
530 __field(unsigned int, handled)
531 __field(unsigned int, dequeue_idx)
532 __field(unsigned int, enqueue_idx)
533 __field(unsigned int, start_trb)
534 __field(unsigned int, end_trb)
535 ),
536 TP_fast_assign(
537 __entry->priv_req = priv_req;
538 __entry->dma_position = current_index;
539 __entry->handled = handled;
540 __entry->dequeue_idx = priv_req->priv_ep->dequeue;
541 __entry->enqueue_idx = priv_req->priv_ep->enqueue;
542 __entry->start_trb = priv_req->start_trb;
543 __entry->end_trb = priv_req->end_trb;
544 ),
545 TP_printk("Req: %p %s, DMA pos: %d, ep deq: %d, ep enq: %d,"
546 " start trb: %d, end trb: %d",
547 __entry->priv_req,
548 __entry->handled ? "handled" : "not handled",
549 __entry->dma_position, __entry->dequeue_idx,
550 __entry->enqueue_idx, __entry->start_trb,
551 __entry->end_trb
552 )
553);
554
555DEFINE_EVENT(cdns3_log_request_handled, cdns3_request_handled,
556 TP_PROTO(struct cdns3_request *priv_req, int current_index,
557 int handled),
558 TP_ARGS(priv_req, current_index, handled)
559);
560#endif /* __LINUX_CDNS3_TRACE */
561
562/* this part must be outside header guard */
563
564#undef TRACE_INCLUDE_PATH
565#define TRACE_INCLUDE_PATH .
566
567#undef TRACE_INCLUDE_FILE
568#define TRACE_INCLUDE_FILE trace
569
570#include <trace/define_trace.h>