xref: /openbmc/linux/drivers/usb/host/xhci-trace.h (revision e3b9f1e8) 
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * xHCI host controller driver
4  *
5  * Copyright (C) 2013 Xenia Ragiadakou
6  *
7  * Author: Xenia Ragiadakou
8  * Email : burzalodowa@gmail.com
9  */
10 
11 #undef TRACE_SYSTEM
12 #define TRACE_SYSTEM xhci-hcd
13 
14 /*
15  * The TRACE_SYSTEM_VAR defaults to TRACE_SYSTEM, but must be a
16  * legitimate C variable. It is not exported to user space.
17  */
18 #undef TRACE_SYSTEM_VAR
19 #define TRACE_SYSTEM_VAR xhci_hcd
20 
21 #if !defined(__XHCI_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
22 #define __XHCI_TRACE_H
23 
24 #include <linux/tracepoint.h>
25 #include "xhci.h"
26 #include "xhci-dbgcap.h"
27 
28 #define XHCI_MSG_MAX	500
29 
30 DECLARE_EVENT_CLASS(xhci_log_msg,
31 	TP_PROTO(struct va_format *vaf),
32 	TP_ARGS(vaf),
33 	TP_STRUCT__entry(__dynamic_array(char, msg, XHCI_MSG_MAX)),
34 	TP_fast_assign(
35 		vsnprintf(__get_str(msg), XHCI_MSG_MAX, vaf->fmt, *vaf->va);
36 	),
37 	TP_printk("%s", __get_str(msg))
38 );
39 
40 DEFINE_EVENT(xhci_log_msg, xhci_dbg_address,
41 	TP_PROTO(struct va_format *vaf),
42 	TP_ARGS(vaf)
43 );
44 
45 DEFINE_EVENT(xhci_log_msg, xhci_dbg_context_change,
46 	TP_PROTO(struct va_format *vaf),
47 	TP_ARGS(vaf)
48 );
49 
50 DEFINE_EVENT(xhci_log_msg, xhci_dbg_quirks,
51 	TP_PROTO(struct va_format *vaf),
52 	TP_ARGS(vaf)
53 );
54 
55 DEFINE_EVENT(xhci_log_msg, xhci_dbg_reset_ep,
56 	TP_PROTO(struct va_format *vaf),
57 	TP_ARGS(vaf)
58 );
59 
60 DEFINE_EVENT(xhci_log_msg, xhci_dbg_cancel_urb,
61 	TP_PROTO(struct va_format *vaf),
62 	TP_ARGS(vaf)
63 );
64 
65 DEFINE_EVENT(xhci_log_msg, xhci_dbg_init,
66 	TP_PROTO(struct va_format *vaf),
67 	TP_ARGS(vaf)
68 );
69 
70 DEFINE_EVENT(xhci_log_msg, xhci_dbg_ring_expansion,
71 	TP_PROTO(struct va_format *vaf),
72 	TP_ARGS(vaf)
73 );
74 
75 DECLARE_EVENT_CLASS(xhci_log_ctx,
76 	TP_PROTO(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
77 		 unsigned int ep_num),
78 	TP_ARGS(xhci, ctx, ep_num),
79 	TP_STRUCT__entry(
80 		__field(int, ctx_64)
81 		__field(unsigned, ctx_type)
82 		__field(dma_addr_t, ctx_dma)
83 		__field(u8 *, ctx_va)
84 		__field(unsigned, ctx_ep_num)
85 		__field(int, slot_id)
86 		__dynamic_array(u32, ctx_data,
87 			((HCC_64BYTE_CONTEXT(xhci->hcc_params) + 1) * 8) *
88 			((ctx->type == XHCI_CTX_TYPE_INPUT) + ep_num + 1))
89 	),
90 	TP_fast_assign(
91 		struct usb_device *udev;
92 
93 		udev = to_usb_device(xhci_to_hcd(xhci)->self.controller);
94 		__entry->ctx_64 = HCC_64BYTE_CONTEXT(xhci->hcc_params);
95 		__entry->ctx_type = ctx->type;
96 		__entry->ctx_dma = ctx->dma;
97 		__entry->ctx_va = ctx->bytes;
98 		__entry->slot_id = udev->slot_id;
99 		__entry->ctx_ep_num = ep_num;
100 		memcpy(__get_dynamic_array(ctx_data), ctx->bytes,
101 			((HCC_64BYTE_CONTEXT(xhci->hcc_params) + 1) * 32) *
102 			((ctx->type == XHCI_CTX_TYPE_INPUT) + ep_num + 1));
103 	),
104 	TP_printk("ctx_64=%d, ctx_type=%u, ctx_dma=@%llx, ctx_va=@%p",
105 			__entry->ctx_64, __entry->ctx_type,
106 			(unsigned long long) __entry->ctx_dma, __entry->ctx_va
107 	)
108 );
109 
110 DEFINE_EVENT(xhci_log_ctx, xhci_address_ctx,
111 	TP_PROTO(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
112 		 unsigned int ep_num),
113 	TP_ARGS(xhci, ctx, ep_num)
114 );
115 
116 DECLARE_EVENT_CLASS(xhci_log_trb,
117 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
118 	TP_ARGS(ring, trb),
119 	TP_STRUCT__entry(
120 		__field(u32, type)
121 		__field(u32, field0)
122 		__field(u32, field1)
123 		__field(u32, field2)
124 		__field(u32, field3)
125 	),
126 	TP_fast_assign(
127 		__entry->type = ring->type;
128 		__entry->field0 = le32_to_cpu(trb->field[0]);
129 		__entry->field1 = le32_to_cpu(trb->field[1]);
130 		__entry->field2 = le32_to_cpu(trb->field[2]);
131 		__entry->field3 = le32_to_cpu(trb->field[3]);
132 	),
133 	TP_printk("%s: %s", xhci_ring_type_string(__entry->type),
134 			xhci_decode_trb(__entry->field0, __entry->field1,
135 					__entry->field2, __entry->field3)
136 	)
137 );
138 
139 DEFINE_EVENT(xhci_log_trb, xhci_handle_event,
140 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
141 	TP_ARGS(ring, trb)
142 );
143 
144 DEFINE_EVENT(xhci_log_trb, xhci_handle_command,
145 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
146 	TP_ARGS(ring, trb)
147 );
148 
149 DEFINE_EVENT(xhci_log_trb, xhci_handle_transfer,
150 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
151 	TP_ARGS(ring, trb)
152 );
153 
154 DEFINE_EVENT(xhci_log_trb, xhci_queue_trb,
155 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
156 	TP_ARGS(ring, trb)
157 );
158 
159 DEFINE_EVENT(xhci_log_trb, xhci_dbc_handle_event,
160 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
161 	TP_ARGS(ring, trb)
162 );
163 
164 DEFINE_EVENT(xhci_log_trb, xhci_dbc_handle_transfer,
165 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
166 	TP_ARGS(ring, trb)
167 );
168 
169 DEFINE_EVENT(xhci_log_trb, xhci_dbc_gadget_ep_queue,
170 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
171 	TP_ARGS(ring, trb)
172 );
173 
174 DECLARE_EVENT_CLASS(xhci_log_virt_dev,
175 	TP_PROTO(struct xhci_virt_device *vdev),
176 	TP_ARGS(vdev),
177 	TP_STRUCT__entry(
178 		__field(void *, vdev)
179 		__field(unsigned long long, out_ctx)
180 		__field(unsigned long long, in_ctx)
181 		__field(int, devnum)
182 		__field(int, state)
183 		__field(int, speed)
184 		__field(u8, portnum)
185 		__field(u8, level)
186 		__field(int, slot_id)
187 	),
188 	TP_fast_assign(
189 		__entry->vdev = vdev;
190 		__entry->in_ctx = (unsigned long long) vdev->in_ctx->dma;
191 		__entry->out_ctx = (unsigned long long) vdev->out_ctx->dma;
192 		__entry->devnum = vdev->udev->devnum;
193 		__entry->state = vdev->udev->state;
194 		__entry->speed = vdev->udev->speed;
195 		__entry->portnum = vdev->udev->portnum;
196 		__entry->level = vdev->udev->level;
197 		__entry->slot_id = vdev->udev->slot_id;
198 	),
199 	TP_printk("vdev %p ctx %llx | %llx num %d state %d speed %d port %d level %d slot %d",
200 		__entry->vdev, __entry->in_ctx, __entry->out_ctx,
201 		__entry->devnum, __entry->state, __entry->speed,
202 		__entry->portnum, __entry->level, __entry->slot_id
203 	)
204 );
205 
206 DEFINE_EVENT(xhci_log_virt_dev, xhci_alloc_virt_device,
207 	TP_PROTO(struct xhci_virt_device *vdev),
208 	TP_ARGS(vdev)
209 );
210 
211 DEFINE_EVENT(xhci_log_virt_dev, xhci_free_virt_device,
212 	TP_PROTO(struct xhci_virt_device *vdev),
213 	TP_ARGS(vdev)
214 );
215 
216 DEFINE_EVENT(xhci_log_virt_dev, xhci_setup_device,
217 	TP_PROTO(struct xhci_virt_device *vdev),
218 	TP_ARGS(vdev)
219 );
220 
221 DEFINE_EVENT(xhci_log_virt_dev, xhci_setup_addressable_virt_device,
222 	TP_PROTO(struct xhci_virt_device *vdev),
223 	TP_ARGS(vdev)
224 );
225 
226 DEFINE_EVENT(xhci_log_virt_dev, xhci_stop_device,
227 	TP_PROTO(struct xhci_virt_device *vdev),
228 	TP_ARGS(vdev)
229 );
230 
231 DECLARE_EVENT_CLASS(xhci_log_urb,
232 	TP_PROTO(struct urb *urb),
233 	TP_ARGS(urb),
234 	TP_STRUCT__entry(
235 		__field(void *, urb)
236 		__field(unsigned int, pipe)
237 		__field(unsigned int, stream)
238 		__field(int, status)
239 		__field(unsigned int, flags)
240 		__field(int, num_mapped_sgs)
241 		__field(int, num_sgs)
242 		__field(int, length)
243 		__field(int, actual)
244 		__field(int, epnum)
245 		__field(int, dir_in)
246 		__field(int, type)
247 		__field(int, slot_id)
248 	),
249 	TP_fast_assign(
250 		__entry->urb = urb;
251 		__entry->pipe = urb->pipe;
252 		__entry->stream = urb->stream_id;
253 		__entry->status = urb->status;
254 		__entry->flags = urb->transfer_flags;
255 		__entry->num_mapped_sgs = urb->num_mapped_sgs;
256 		__entry->num_sgs = urb->num_sgs;
257 		__entry->length = urb->transfer_buffer_length;
258 		__entry->actual = urb->actual_length;
259 		__entry->epnum = usb_endpoint_num(&urb->ep->desc);
260 		__entry->dir_in = usb_endpoint_dir_in(&urb->ep->desc);
261 		__entry->type = usb_endpoint_type(&urb->ep->desc);
262 		__entry->slot_id = urb->dev->slot_id;
263 	),
264 	TP_printk("ep%d%s-%s: urb %p pipe %u slot %d length %d/%d sgs %d/%d stream %d flags %08x",
265 			__entry->epnum, __entry->dir_in ? "in" : "out",
266 			({ char *s;
267 			switch (__entry->type) {
268 			case USB_ENDPOINT_XFER_INT:
269 				s = "intr";
270 				break;
271 			case USB_ENDPOINT_XFER_CONTROL:
272 				s = "control";
273 				break;
274 			case USB_ENDPOINT_XFER_BULK:
275 				s = "bulk";
276 				break;
277 			case USB_ENDPOINT_XFER_ISOC:
278 				s = "isoc";
279 				break;
280 			default:
281 				s = "UNKNOWN";
282 			} s; }), __entry->urb, __entry->pipe, __entry->slot_id,
283 			__entry->actual, __entry->length, __entry->num_mapped_sgs,
284 			__entry->num_sgs, __entry->stream, __entry->flags
285 		)
286 );
287 
288 DEFINE_EVENT(xhci_log_urb, xhci_urb_enqueue,
289 	TP_PROTO(struct urb *urb),
290 	TP_ARGS(urb)
291 );
292 
293 DEFINE_EVENT(xhci_log_urb, xhci_urb_giveback,
294 	TP_PROTO(struct urb *urb),
295 	TP_ARGS(urb)
296 );
297 
298 DEFINE_EVENT(xhci_log_urb, xhci_urb_dequeue,
299 	TP_PROTO(struct urb *urb),
300 	TP_ARGS(urb)
301 );
302 
303 DECLARE_EVENT_CLASS(xhci_log_ep_ctx,
304 	TP_PROTO(struct xhci_ep_ctx *ctx),
305 	TP_ARGS(ctx),
306 	TP_STRUCT__entry(
307 		__field(u32, info)
308 		__field(u32, info2)
309 		__field(u64, deq)
310 		__field(u32, tx_info)
311 	),
312 	TP_fast_assign(
313 		__entry->info = le32_to_cpu(ctx->ep_info);
314 		__entry->info2 = le32_to_cpu(ctx->ep_info2);
315 		__entry->deq = le64_to_cpu(ctx->deq);
316 		__entry->tx_info = le32_to_cpu(ctx->tx_info);
317 	),
318 	TP_printk("%s", xhci_decode_ep_context(__entry->info,
319 		__entry->info2, __entry->deq, __entry->tx_info)
320 	)
321 );
322 
323 DEFINE_EVENT(xhci_log_ep_ctx, xhci_handle_cmd_stop_ep,
324 	TP_PROTO(struct xhci_ep_ctx *ctx),
325 	TP_ARGS(ctx)
326 );
327 
328 DEFINE_EVENT(xhci_log_ep_ctx, xhci_handle_cmd_set_deq_ep,
329 	TP_PROTO(struct xhci_ep_ctx *ctx),
330 	TP_ARGS(ctx)
331 );
332 
333 DEFINE_EVENT(xhci_log_ep_ctx, xhci_handle_cmd_reset_ep,
334 	TP_PROTO(struct xhci_ep_ctx *ctx),
335 	TP_ARGS(ctx)
336 );
337 
338 DEFINE_EVENT(xhci_log_ep_ctx, xhci_handle_cmd_config_ep,
339 	TP_PROTO(struct xhci_ep_ctx *ctx),
340 	TP_ARGS(ctx)
341 );
342 
343 DECLARE_EVENT_CLASS(xhci_log_slot_ctx,
344 	TP_PROTO(struct xhci_slot_ctx *ctx),
345 	TP_ARGS(ctx),
346 	TP_STRUCT__entry(
347 		__field(u32, info)
348 		__field(u32, info2)
349 		__field(u32, tt_info)
350 		__field(u32, state)
351 	),
352 	TP_fast_assign(
353 		__entry->info = le32_to_cpu(ctx->dev_info);
354 		__entry->info2 = le32_to_cpu(ctx->dev_info2);
355 		__entry->tt_info = le64_to_cpu(ctx->tt_info);
356 		__entry->state = le32_to_cpu(ctx->dev_state);
357 	),
358 	TP_printk("%s", xhci_decode_slot_context(__entry->info,
359 			__entry->info2, __entry->tt_info,
360 			__entry->state)
361 	)
362 );
363 
364 DEFINE_EVENT(xhci_log_slot_ctx, xhci_alloc_dev,
365 	TP_PROTO(struct xhci_slot_ctx *ctx),
366 	TP_ARGS(ctx)
367 );
368 
369 DEFINE_EVENT(xhci_log_slot_ctx, xhci_free_dev,
370 	TP_PROTO(struct xhci_slot_ctx *ctx),
371 	TP_ARGS(ctx)
372 );
373 
374 DEFINE_EVENT(xhci_log_slot_ctx, xhci_handle_cmd_disable_slot,
375 	TP_PROTO(struct xhci_slot_ctx *ctx),
376 	TP_ARGS(ctx)
377 );
378 
379 DEFINE_EVENT(xhci_log_slot_ctx, xhci_discover_or_reset_device,
380 	TP_PROTO(struct xhci_slot_ctx *ctx),
381 	TP_ARGS(ctx)
382 );
383 
384 DEFINE_EVENT(xhci_log_slot_ctx, xhci_setup_device_slot,
385 	TP_PROTO(struct xhci_slot_ctx *ctx),
386 	TP_ARGS(ctx)
387 );
388 
389 DEFINE_EVENT(xhci_log_slot_ctx, xhci_handle_cmd_addr_dev,
390 	TP_PROTO(struct xhci_slot_ctx *ctx),
391 	TP_ARGS(ctx)
392 );
393 
394 DEFINE_EVENT(xhci_log_slot_ctx, xhci_handle_cmd_reset_dev,
395 	TP_PROTO(struct xhci_slot_ctx *ctx),
396 	TP_ARGS(ctx)
397 );
398 
399 DEFINE_EVENT(xhci_log_slot_ctx, xhci_handle_cmd_set_deq,
400 	TP_PROTO(struct xhci_slot_ctx *ctx),
401 	TP_ARGS(ctx)
402 );
403 
404 DEFINE_EVENT(xhci_log_slot_ctx, xhci_configure_endpoint,
405 	TP_PROTO(struct xhci_slot_ctx *ctx),
406 	TP_ARGS(ctx)
407 );
408 
409 DECLARE_EVENT_CLASS(xhci_log_ring,
410 	TP_PROTO(struct xhci_ring *ring),
411 	TP_ARGS(ring),
412 	TP_STRUCT__entry(
413 		__field(u32, type)
414 		__field(void *, ring)
415 		__field(dma_addr_t, enq)
416 		__field(dma_addr_t, deq)
417 		__field(dma_addr_t, enq_seg)
418 		__field(dma_addr_t, deq_seg)
419 		__field(unsigned int, num_segs)
420 		__field(unsigned int, stream_id)
421 		__field(unsigned int, cycle_state)
422 		__field(unsigned int, num_trbs_free)
423 		__field(unsigned int, bounce_buf_len)
424 	),
425 	TP_fast_assign(
426 		__entry->ring = ring;
427 		__entry->type = ring->type;
428 		__entry->num_segs = ring->num_segs;
429 		__entry->stream_id = ring->stream_id;
430 		__entry->enq_seg = ring->enq_seg->dma;
431 		__entry->deq_seg = ring->deq_seg->dma;
432 		__entry->cycle_state = ring->cycle_state;
433 		__entry->num_trbs_free = ring->num_trbs_free;
434 		__entry->bounce_buf_len = ring->bounce_buf_len;
435 		__entry->enq = xhci_trb_virt_to_dma(ring->enq_seg, ring->enqueue);
436 		__entry->deq = xhci_trb_virt_to_dma(ring->deq_seg, ring->dequeue);
437 	),
438 	TP_printk("%s %p: enq %pad(%pad) deq %pad(%pad) segs %d stream %d free_trbs %d bounce %d cycle %d",
439 			xhci_ring_type_string(__entry->type), __entry->ring,
440 			&__entry->enq, &__entry->enq_seg,
441 			&__entry->deq, &__entry->deq_seg,
442 			__entry->num_segs,
443 			__entry->stream_id,
444 			__entry->num_trbs_free,
445 			__entry->bounce_buf_len,
446 			__entry->cycle_state
447 		)
448 );
449 
450 DEFINE_EVENT(xhci_log_ring, xhci_ring_alloc,
451 	TP_PROTO(struct xhci_ring *ring),
452 	TP_ARGS(ring)
453 );
454 
455 DEFINE_EVENT(xhci_log_ring, xhci_ring_free,
456 	TP_PROTO(struct xhci_ring *ring),
457 	TP_ARGS(ring)
458 );
459 
460 DEFINE_EVENT(xhci_log_ring, xhci_ring_expansion,
461 	TP_PROTO(struct xhci_ring *ring),
462 	TP_ARGS(ring)
463 );
464 
465 DEFINE_EVENT(xhci_log_ring, xhci_inc_enq,
466 	TP_PROTO(struct xhci_ring *ring),
467 	TP_ARGS(ring)
468 );
469 
470 DEFINE_EVENT(xhci_log_ring, xhci_inc_deq,
471 	TP_PROTO(struct xhci_ring *ring),
472 	TP_ARGS(ring)
473 );
474 
475 DECLARE_EVENT_CLASS(xhci_log_portsc,
476 		    TP_PROTO(u32 portnum, u32 portsc),
477 		    TP_ARGS(portnum, portsc),
478 		    TP_STRUCT__entry(
479 				     __field(u32, portnum)
480 				     __field(u32, portsc)
481 				     ),
482 		    TP_fast_assign(
483 				   __entry->portnum = portnum;
484 				   __entry->portsc = portsc;
485 				   ),
486 		    TP_printk("port-%d: %s",
487 			      __entry->portnum,
488 			      xhci_decode_portsc(__entry->portsc)
489 			      )
490 );
491 
492 DEFINE_EVENT(xhci_log_portsc, xhci_handle_port_status,
493 	     TP_PROTO(u32 portnum, u32 portsc),
494 	     TP_ARGS(portnum, portsc)
495 );
496 
497 DEFINE_EVENT(xhci_log_portsc, xhci_get_port_status,
498 	     TP_PROTO(u32 portnum, u32 portsc),
499 	     TP_ARGS(portnum, portsc)
500 );
501 
502 DEFINE_EVENT(xhci_log_portsc, xhci_hub_status_data,
503 	     TP_PROTO(u32 portnum, u32 portsc),
504 	     TP_ARGS(portnum, portsc)
505 );
506 
507 DECLARE_EVENT_CLASS(xhci_dbc_log_request,
508 	TP_PROTO(struct dbc_request *req),
509 	TP_ARGS(req),
510 	TP_STRUCT__entry(
511 		__field(struct dbc_request *, req)
512 		__field(bool, dir)
513 		__field(unsigned int, actual)
514 		__field(unsigned int, length)
515 		__field(int, status)
516 	),
517 	TP_fast_assign(
518 		__entry->req = req;
519 		__entry->dir = req->direction;
520 		__entry->actual = req->actual;
521 		__entry->length = req->length;
522 		__entry->status = req->status;
523 	),
524 	TP_printk("%s: req %p length %u/%u ==> %d",
525 		__entry->dir ? "bulk-in" : "bulk-out",
526 		__entry->req, __entry->actual,
527 		__entry->length, __entry->status
528 	)
529 );
530 
531 DEFINE_EVENT(xhci_dbc_log_request, xhci_dbc_alloc_request,
532 	TP_PROTO(struct dbc_request *req),
533 	TP_ARGS(req)
534 );
535 
536 DEFINE_EVENT(xhci_dbc_log_request, xhci_dbc_free_request,
537 	TP_PROTO(struct dbc_request *req),
538 	TP_ARGS(req)
539 );
540 
541 DEFINE_EVENT(xhci_dbc_log_request, xhci_dbc_queue_request,
542 	TP_PROTO(struct dbc_request *req),
543 	TP_ARGS(req)
544 );
545 
546 DEFINE_EVENT(xhci_dbc_log_request, xhci_dbc_giveback_request,
547 	TP_PROTO(struct dbc_request *req),
548 	TP_ARGS(req)
549 );
550 #endif /* __XHCI_TRACE_H */
551 
552 /* this part must be outside header guard */
553 
554 #undef TRACE_INCLUDE_PATH
555 #define TRACE_INCLUDE_PATH .
556 
557 #undef TRACE_INCLUDE_FILE
558 #define TRACE_INCLUDE_FILE xhci-trace
559 
560 #include <trace/define_trace.h>
561