xref: /openbmc/linux/drivers/usb/host/xhci-trace.h (revision 234489ac)
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 DECLARE_EVENT_CLASS(xhci_log_msg,
29 	TP_PROTO(struct va_format *vaf),
30 	TP_ARGS(vaf),
31 	TP_STRUCT__entry(__vstring(msg, vaf->fmt, vaf->va)),
32 	TP_fast_assign(
33 		__assign_vstr(msg, vaf->fmt, vaf->va);
34 	),
35 	TP_printk("%s", __get_str(msg))
36 );
37 
38 DEFINE_EVENT(xhci_log_msg, xhci_dbg_address,
39 	TP_PROTO(struct va_format *vaf),
40 	TP_ARGS(vaf)
41 );
42 
43 DEFINE_EVENT(xhci_log_msg, xhci_dbg_context_change,
44 	TP_PROTO(struct va_format *vaf),
45 	TP_ARGS(vaf)
46 );
47 
48 DEFINE_EVENT(xhci_log_msg, xhci_dbg_quirks,
49 	TP_PROTO(struct va_format *vaf),
50 	TP_ARGS(vaf)
51 );
52 
53 DEFINE_EVENT(xhci_log_msg, xhci_dbg_reset_ep,
54 	TP_PROTO(struct va_format *vaf),
55 	TP_ARGS(vaf)
56 );
57 
58 DEFINE_EVENT(xhci_log_msg, xhci_dbg_cancel_urb,
59 	TP_PROTO(struct va_format *vaf),
60 	TP_ARGS(vaf)
61 );
62 
63 DEFINE_EVENT(xhci_log_msg, xhci_dbg_init,
64 	TP_PROTO(struct va_format *vaf),
65 	TP_ARGS(vaf)
66 );
67 
68 DEFINE_EVENT(xhci_log_msg, xhci_dbg_ring_expansion,
69 	TP_PROTO(struct va_format *vaf),
70 	TP_ARGS(vaf)
71 );
72 
73 DECLARE_EVENT_CLASS(xhci_log_ctx,
74 	TP_PROTO(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
75 		 unsigned int ep_num),
76 	TP_ARGS(xhci, ctx, ep_num),
77 	TP_STRUCT__entry(
78 		__field(int, ctx_64)
79 		__field(unsigned, ctx_type)
80 		__field(dma_addr_t, ctx_dma)
81 		__field(u8 *, ctx_va)
82 		__field(unsigned, ctx_ep_num)
83 		__field(int, slot_id)
84 		__dynamic_array(u32, ctx_data,
85 			((HCC_64BYTE_CONTEXT(xhci->hcc_params) + 1) * 8) *
86 			((ctx->type == XHCI_CTX_TYPE_INPUT) + ep_num + 1))
87 	),
88 	TP_fast_assign(
89 		struct usb_device *udev;
90 
91 		udev = to_usb_device(xhci_to_hcd(xhci)->self.controller);
92 		__entry->ctx_64 = HCC_64BYTE_CONTEXT(xhci->hcc_params);
93 		__entry->ctx_type = ctx->type;
94 		__entry->ctx_dma = ctx->dma;
95 		__entry->ctx_va = ctx->bytes;
96 		__entry->slot_id = udev->slot_id;
97 		__entry->ctx_ep_num = ep_num;
98 		memcpy(__get_dynamic_array(ctx_data), ctx->bytes,
99 			((HCC_64BYTE_CONTEXT(xhci->hcc_params) + 1) * 32) *
100 			((ctx->type == XHCI_CTX_TYPE_INPUT) + ep_num + 1));
101 	),
102 	TP_printk("ctx_64=%d, ctx_type=%u, ctx_dma=@%llx, ctx_va=@%p",
103 			__entry->ctx_64, __entry->ctx_type,
104 			(unsigned long long) __entry->ctx_dma, __entry->ctx_va
105 	)
106 );
107 
108 DEFINE_EVENT(xhci_log_ctx, xhci_address_ctx,
109 	TP_PROTO(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
110 		 unsigned int ep_num),
111 	TP_ARGS(xhci, ctx, ep_num)
112 );
113 
114 DECLARE_EVENT_CLASS(xhci_log_trb,
115 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
116 	TP_ARGS(ring, trb),
117 	TP_STRUCT__entry(
118 		__field(u32, type)
119 		__field(u32, field0)
120 		__field(u32, field1)
121 		__field(u32, field2)
122 		__field(u32, field3)
123 	),
124 	TP_fast_assign(
125 		__entry->type = ring->type;
126 		__entry->field0 = le32_to_cpu(trb->field[0]);
127 		__entry->field1 = le32_to_cpu(trb->field[1]);
128 		__entry->field2 = le32_to_cpu(trb->field[2]);
129 		__entry->field3 = le32_to_cpu(trb->field[3]);
130 	),
131 	TP_printk("%s: %s", xhci_ring_type_string(__entry->type),
132 		  xhci_decode_trb(__get_buf(XHCI_MSG_MAX), XHCI_MSG_MAX, __entry->field0,
133 				  __entry->field1, __entry->field2, __entry->field3)
134 	)
135 );
136 
137 DEFINE_EVENT(xhci_log_trb, xhci_handle_event,
138 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
139 	TP_ARGS(ring, trb)
140 );
141 
142 DEFINE_EVENT(xhci_log_trb, xhci_handle_command,
143 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
144 	TP_ARGS(ring, trb)
145 );
146 
147 DEFINE_EVENT(xhci_log_trb, xhci_handle_transfer,
148 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
149 	TP_ARGS(ring, trb)
150 );
151 
152 DEFINE_EVENT(xhci_log_trb, xhci_queue_trb,
153 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
154 	TP_ARGS(ring, trb)
155 );
156 
157 DEFINE_EVENT(xhci_log_trb, xhci_dbc_handle_event,
158 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
159 	TP_ARGS(ring, trb)
160 );
161 
162 DEFINE_EVENT(xhci_log_trb, xhci_dbc_handle_transfer,
163 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
164 	TP_ARGS(ring, trb)
165 );
166 
167 DEFINE_EVENT(xhci_log_trb, xhci_dbc_gadget_ep_queue,
168 	TP_PROTO(struct xhci_ring *ring, struct xhci_generic_trb *trb),
169 	TP_ARGS(ring, trb)
170 );
171 
172 DECLARE_EVENT_CLASS(xhci_log_free_virt_dev,
173 	TP_PROTO(struct xhci_virt_device *vdev),
174 	TP_ARGS(vdev),
175 	TP_STRUCT__entry(
176 		__field(void *, vdev)
177 		__field(unsigned long long, out_ctx)
178 		__field(unsigned long long, in_ctx)
179 		__field(u8, fake_port)
180 		__field(u8, real_port)
181 		__field(u16, current_mel)
182 
183 	),
184 	TP_fast_assign(
185 		__entry->vdev = vdev;
186 		__entry->in_ctx = (unsigned long long) vdev->in_ctx->dma;
187 		__entry->out_ctx = (unsigned long long) vdev->out_ctx->dma;
188 		__entry->fake_port = (u8) vdev->fake_port;
189 		__entry->real_port = (u8) vdev->real_port;
190 		__entry->current_mel = (u16) vdev->current_mel;
191 		),
192 	TP_printk("vdev %p ctx %llx | %llx fake_port %d real_port %d current_mel %d",
193 		__entry->vdev, __entry->in_ctx, __entry->out_ctx,
194 		__entry->fake_port, __entry->real_port, __entry->current_mel
195 	)
196 );
197 
198 DEFINE_EVENT(xhci_log_free_virt_dev, xhci_free_virt_device,
199 	TP_PROTO(struct xhci_virt_device *vdev),
200 	TP_ARGS(vdev)
201 );
202 
203 DECLARE_EVENT_CLASS(xhci_log_virt_dev,
204 	TP_PROTO(struct xhci_virt_device *vdev),
205 	TP_ARGS(vdev),
206 	TP_STRUCT__entry(
207 		__field(void *, vdev)
208 		__field(unsigned long long, out_ctx)
209 		__field(unsigned long long, in_ctx)
210 		__field(int, devnum)
211 		__field(int, state)
212 		__field(int, speed)
213 		__field(u8, portnum)
214 		__field(u8, level)
215 		__field(int, slot_id)
216 	),
217 	TP_fast_assign(
218 		__entry->vdev = vdev;
219 		__entry->in_ctx = (unsigned long long) vdev->in_ctx->dma;
220 		__entry->out_ctx = (unsigned long long) vdev->out_ctx->dma;
221 		__entry->devnum = vdev->udev->devnum;
222 		__entry->state = vdev->udev->state;
223 		__entry->speed = vdev->udev->speed;
224 		__entry->portnum = vdev->udev->portnum;
225 		__entry->level = vdev->udev->level;
226 		__entry->slot_id = vdev->udev->slot_id;
227 	),
228 	TP_printk("vdev %p ctx %llx | %llx num %d state %d speed %d port %d level %d slot %d",
229 		__entry->vdev, __entry->in_ctx, __entry->out_ctx,
230 		__entry->devnum, __entry->state, __entry->speed,
231 		__entry->portnum, __entry->level, __entry->slot_id
232 	)
233 );
234 
235 DEFINE_EVENT(xhci_log_virt_dev, xhci_alloc_virt_device,
236 	TP_PROTO(struct xhci_virt_device *vdev),
237 	TP_ARGS(vdev)
238 );
239 
240 DEFINE_EVENT(xhci_log_virt_dev, xhci_setup_device,
241 	TP_PROTO(struct xhci_virt_device *vdev),
242 	TP_ARGS(vdev)
243 );
244 
245 DEFINE_EVENT(xhci_log_virt_dev, xhci_setup_addressable_virt_device,
246 	TP_PROTO(struct xhci_virt_device *vdev),
247 	TP_ARGS(vdev)
248 );
249 
250 DEFINE_EVENT(xhci_log_virt_dev, xhci_stop_device,
251 	TP_PROTO(struct xhci_virt_device *vdev),
252 	TP_ARGS(vdev)
253 );
254 
255 DECLARE_EVENT_CLASS(xhci_log_urb,
256 	TP_PROTO(struct urb *urb),
257 	TP_ARGS(urb),
258 	TP_STRUCT__entry(
259 		__field(void *, urb)
260 		__field(unsigned int, pipe)
261 		__field(unsigned int, stream)
262 		__field(int, status)
263 		__field(unsigned int, flags)
264 		__field(int, num_mapped_sgs)
265 		__field(int, num_sgs)
266 		__field(int, length)
267 		__field(int, actual)
268 		__field(int, epnum)
269 		__field(int, dir_in)
270 		__field(int, type)
271 		__field(int, slot_id)
272 	),
273 	TP_fast_assign(
274 		__entry->urb = urb;
275 		__entry->pipe = urb->pipe;
276 		__entry->stream = urb->stream_id;
277 		__entry->status = urb->status;
278 		__entry->flags = urb->transfer_flags;
279 		__entry->num_mapped_sgs = urb->num_mapped_sgs;
280 		__entry->num_sgs = urb->num_sgs;
281 		__entry->length = urb->transfer_buffer_length;
282 		__entry->actual = urb->actual_length;
283 		__entry->epnum = usb_endpoint_num(&urb->ep->desc);
284 		__entry->dir_in = usb_endpoint_dir_in(&urb->ep->desc);
285 		__entry->type = usb_endpoint_type(&urb->ep->desc);
286 		__entry->slot_id = urb->dev->slot_id;
287 	),
288 	TP_printk("ep%d%s-%s: urb %p pipe %u slot %d length %d/%d sgs %d/%d stream %d flags %08x",
289 			__entry->epnum, __entry->dir_in ? "in" : "out",
290 			__print_symbolic(__entry->type,
291 				   { USB_ENDPOINT_XFER_INT,	"intr" },
292 				   { USB_ENDPOINT_XFER_CONTROL,	"control" },
293 				   { USB_ENDPOINT_XFER_BULK,	"bulk" },
294 				   { USB_ENDPOINT_XFER_ISOC,	"isoc" }),
295 			__entry->urb, __entry->pipe, __entry->slot_id,
296 			__entry->actual, __entry->length, __entry->num_mapped_sgs,
297 			__entry->num_sgs, __entry->stream, __entry->flags
298 		)
299 );
300 
301 DEFINE_EVENT(xhci_log_urb, xhci_urb_enqueue,
302 	TP_PROTO(struct urb *urb),
303 	TP_ARGS(urb)
304 );
305 
306 DEFINE_EVENT(xhci_log_urb, xhci_urb_giveback,
307 	TP_PROTO(struct urb *urb),
308 	TP_ARGS(urb)
309 );
310 
311 DEFINE_EVENT(xhci_log_urb, xhci_urb_dequeue,
312 	TP_PROTO(struct urb *urb),
313 	TP_ARGS(urb)
314 );
315 
316 DECLARE_EVENT_CLASS(xhci_log_ep_ctx,
317 	TP_PROTO(struct xhci_ep_ctx *ctx),
318 	TP_ARGS(ctx),
319 	TP_STRUCT__entry(
320 		__field(u32, info)
321 		__field(u32, info2)
322 		__field(u64, deq)
323 		__field(u32, tx_info)
324 	),
325 	TP_fast_assign(
326 		__entry->info = le32_to_cpu(ctx->ep_info);
327 		__entry->info2 = le32_to_cpu(ctx->ep_info2);
328 		__entry->deq = le64_to_cpu(ctx->deq);
329 		__entry->tx_info = le32_to_cpu(ctx->tx_info);
330 	),
331 	TP_printk("%s", xhci_decode_ep_context(__get_buf(XHCI_MSG_MAX),
332 		__entry->info, __entry->info2, __entry->deq, __entry->tx_info)
333 	)
334 );
335 
336 DEFINE_EVENT(xhci_log_ep_ctx, xhci_handle_cmd_stop_ep,
337 	TP_PROTO(struct xhci_ep_ctx *ctx),
338 	TP_ARGS(ctx)
339 );
340 
341 DEFINE_EVENT(xhci_log_ep_ctx, xhci_handle_cmd_set_deq_ep,
342 	TP_PROTO(struct xhci_ep_ctx *ctx),
343 	TP_ARGS(ctx)
344 );
345 
346 DEFINE_EVENT(xhci_log_ep_ctx, xhci_handle_cmd_reset_ep,
347 	TP_PROTO(struct xhci_ep_ctx *ctx),
348 	TP_ARGS(ctx)
349 );
350 
351 DEFINE_EVENT(xhci_log_ep_ctx, xhci_handle_cmd_config_ep,
352 	TP_PROTO(struct xhci_ep_ctx *ctx),
353 	TP_ARGS(ctx)
354 );
355 
356 DEFINE_EVENT(xhci_log_ep_ctx, xhci_add_endpoint,
357 	TP_PROTO(struct xhci_ep_ctx *ctx),
358 	TP_ARGS(ctx)
359 );
360 
361 DECLARE_EVENT_CLASS(xhci_log_slot_ctx,
362 	TP_PROTO(struct xhci_slot_ctx *ctx),
363 	TP_ARGS(ctx),
364 	TP_STRUCT__entry(
365 		__field(u32, info)
366 		__field(u32, info2)
367 		__field(u32, tt_info)
368 		__field(u32, state)
369 	),
370 	TP_fast_assign(
371 		__entry->info = le32_to_cpu(ctx->dev_info);
372 		__entry->info2 = le32_to_cpu(ctx->dev_info2);
373 		__entry->tt_info = le64_to_cpu(ctx->tt_info);
374 		__entry->state = le32_to_cpu(ctx->dev_state);
375 	),
376 	TP_printk("%s", xhci_decode_slot_context(__get_buf(XHCI_MSG_MAX),
377 			__entry->info, __entry->info2,
378 			__entry->tt_info, __entry->state)
379 	)
380 );
381 
382 DEFINE_EVENT(xhci_log_slot_ctx, xhci_alloc_dev,
383 	TP_PROTO(struct xhci_slot_ctx *ctx),
384 	TP_ARGS(ctx)
385 );
386 
387 DEFINE_EVENT(xhci_log_slot_ctx, xhci_free_dev,
388 	TP_PROTO(struct xhci_slot_ctx *ctx),
389 	TP_ARGS(ctx)
390 );
391 
392 DEFINE_EVENT(xhci_log_slot_ctx, xhci_handle_cmd_disable_slot,
393 	TP_PROTO(struct xhci_slot_ctx *ctx),
394 	TP_ARGS(ctx)
395 );
396 
397 DEFINE_EVENT(xhci_log_slot_ctx, xhci_discover_or_reset_device,
398 	TP_PROTO(struct xhci_slot_ctx *ctx),
399 	TP_ARGS(ctx)
400 );
401 
402 DEFINE_EVENT(xhci_log_slot_ctx, xhci_setup_device_slot,
403 	TP_PROTO(struct xhci_slot_ctx *ctx),
404 	TP_ARGS(ctx)
405 );
406 
407 DEFINE_EVENT(xhci_log_slot_ctx, xhci_handle_cmd_addr_dev,
408 	TP_PROTO(struct xhci_slot_ctx *ctx),
409 	TP_ARGS(ctx)
410 );
411 
412 DEFINE_EVENT(xhci_log_slot_ctx, xhci_handle_cmd_reset_dev,
413 	TP_PROTO(struct xhci_slot_ctx *ctx),
414 	TP_ARGS(ctx)
415 );
416 
417 DEFINE_EVENT(xhci_log_slot_ctx, xhci_handle_cmd_set_deq,
418 	TP_PROTO(struct xhci_slot_ctx *ctx),
419 	TP_ARGS(ctx)
420 );
421 
422 DEFINE_EVENT(xhci_log_slot_ctx, xhci_configure_endpoint,
423 	TP_PROTO(struct xhci_slot_ctx *ctx),
424 	TP_ARGS(ctx)
425 );
426 
427 DECLARE_EVENT_CLASS(xhci_log_ctrl_ctx,
428 	TP_PROTO(struct xhci_input_control_ctx *ctrl_ctx),
429 	TP_ARGS(ctrl_ctx),
430 	TP_STRUCT__entry(
431 		__field(u32, drop)
432 		__field(u32, add)
433 	),
434 	TP_fast_assign(
435 		__entry->drop = le32_to_cpu(ctrl_ctx->drop_flags);
436 		__entry->add = le32_to_cpu(ctrl_ctx->add_flags);
437 	),
438 	TP_printk("%s", xhci_decode_ctrl_ctx(__get_buf(XHCI_MSG_MAX), __entry->drop, __entry->add)
439 	)
440 );
441 
442 DEFINE_EVENT(xhci_log_ctrl_ctx, xhci_address_ctrl_ctx,
443 	TP_PROTO(struct xhci_input_control_ctx *ctrl_ctx),
444 	TP_ARGS(ctrl_ctx)
445 );
446 
447 DEFINE_EVENT(xhci_log_ctrl_ctx, xhci_configure_endpoint_ctrl_ctx,
448 	TP_PROTO(struct xhci_input_control_ctx *ctrl_ctx),
449 	TP_ARGS(ctrl_ctx)
450 );
451 
452 DECLARE_EVENT_CLASS(xhci_log_ring,
453 	TP_PROTO(struct xhci_ring *ring),
454 	TP_ARGS(ring),
455 	TP_STRUCT__entry(
456 		__field(u32, type)
457 		__field(void *, ring)
458 		__field(dma_addr_t, enq)
459 		__field(dma_addr_t, deq)
460 		__field(dma_addr_t, enq_seg)
461 		__field(dma_addr_t, deq_seg)
462 		__field(unsigned int, num_segs)
463 		__field(unsigned int, stream_id)
464 		__field(unsigned int, cycle_state)
465 		__field(unsigned int, num_trbs_free)
466 		__field(unsigned int, bounce_buf_len)
467 	),
468 	TP_fast_assign(
469 		__entry->ring = ring;
470 		__entry->type = ring->type;
471 		__entry->num_segs = ring->num_segs;
472 		__entry->stream_id = ring->stream_id;
473 		__entry->enq_seg = ring->enq_seg->dma;
474 		__entry->deq_seg = ring->deq_seg->dma;
475 		__entry->cycle_state = ring->cycle_state;
476 		__entry->num_trbs_free = ring->num_trbs_free;
477 		__entry->bounce_buf_len = ring->bounce_buf_len;
478 		__entry->enq = xhci_trb_virt_to_dma(ring->enq_seg, ring->enqueue);
479 		__entry->deq = xhci_trb_virt_to_dma(ring->deq_seg, ring->dequeue);
480 	),
481 	TP_printk("%s %p: enq %pad(%pad) deq %pad(%pad) segs %d stream %d free_trbs %d bounce %d cycle %d",
482 			xhci_ring_type_string(__entry->type), __entry->ring,
483 			&__entry->enq, &__entry->enq_seg,
484 			&__entry->deq, &__entry->deq_seg,
485 			__entry->num_segs,
486 			__entry->stream_id,
487 			__entry->num_trbs_free,
488 			__entry->bounce_buf_len,
489 			__entry->cycle_state
490 		)
491 );
492 
493 DEFINE_EVENT(xhci_log_ring, xhci_ring_alloc,
494 	TP_PROTO(struct xhci_ring *ring),
495 	TP_ARGS(ring)
496 );
497 
498 DEFINE_EVENT(xhci_log_ring, xhci_ring_free,
499 	TP_PROTO(struct xhci_ring *ring),
500 	TP_ARGS(ring)
501 );
502 
503 DEFINE_EVENT(xhci_log_ring, xhci_ring_expansion,
504 	TP_PROTO(struct xhci_ring *ring),
505 	TP_ARGS(ring)
506 );
507 
508 DEFINE_EVENT(xhci_log_ring, xhci_inc_enq,
509 	TP_PROTO(struct xhci_ring *ring),
510 	TP_ARGS(ring)
511 );
512 
513 DEFINE_EVENT(xhci_log_ring, xhci_inc_deq,
514 	TP_PROTO(struct xhci_ring *ring),
515 	TP_ARGS(ring)
516 );
517 
518 DECLARE_EVENT_CLASS(xhci_log_portsc,
519 		    TP_PROTO(u32 portnum, u32 portsc),
520 		    TP_ARGS(portnum, portsc),
521 		    TP_STRUCT__entry(
522 				     __field(u32, portnum)
523 				     __field(u32, portsc)
524 				     ),
525 		    TP_fast_assign(
526 				   __entry->portnum = portnum;
527 				   __entry->portsc = portsc;
528 				   ),
529 		    TP_printk("port-%d: %s",
530 			      __entry->portnum,
531 			      xhci_decode_portsc(__get_buf(XHCI_MSG_MAX), __entry->portsc)
532 			      )
533 );
534 
535 DEFINE_EVENT(xhci_log_portsc, xhci_handle_port_status,
536 	     TP_PROTO(u32 portnum, u32 portsc),
537 	     TP_ARGS(portnum, portsc)
538 );
539 
540 DEFINE_EVENT(xhci_log_portsc, xhci_get_port_status,
541 	     TP_PROTO(u32 portnum, u32 portsc),
542 	     TP_ARGS(portnum, portsc)
543 );
544 
545 DEFINE_EVENT(xhci_log_portsc, xhci_hub_status_data,
546 	     TP_PROTO(u32 portnum, u32 portsc),
547 	     TP_ARGS(portnum, portsc)
548 );
549 
550 DECLARE_EVENT_CLASS(xhci_log_doorbell,
551 	TP_PROTO(u32 slot, u32 doorbell),
552 	TP_ARGS(slot, doorbell),
553 	TP_STRUCT__entry(
554 		__field(u32, slot)
555 		__field(u32, doorbell)
556 	),
557 	TP_fast_assign(
558 		__entry->slot = slot;
559 		__entry->doorbell = doorbell;
560 	),
561 	TP_printk("Ring doorbell for %s",
562 		  xhci_decode_doorbell(__get_buf(XHCI_MSG_MAX), __entry->slot, __entry->doorbell)
563 	)
564 );
565 
566 DEFINE_EVENT(xhci_log_doorbell, xhci_ring_ep_doorbell,
567 	     TP_PROTO(u32 slot, u32 doorbell),
568 	     TP_ARGS(slot, doorbell)
569 );
570 
571 DEFINE_EVENT(xhci_log_doorbell, xhci_ring_host_doorbell,
572 	     TP_PROTO(u32 slot, u32 doorbell),
573 	     TP_ARGS(slot, doorbell)
574 );
575 
576 DECLARE_EVENT_CLASS(xhci_dbc_log_request,
577 	TP_PROTO(struct dbc_request *req),
578 	TP_ARGS(req),
579 	TP_STRUCT__entry(
580 		__field(struct dbc_request *, req)
581 		__field(bool, dir)
582 		__field(unsigned int, actual)
583 		__field(unsigned int, length)
584 		__field(int, status)
585 	),
586 	TP_fast_assign(
587 		__entry->req = req;
588 		__entry->dir = req->direction;
589 		__entry->actual = req->actual;
590 		__entry->length = req->length;
591 		__entry->status = req->status;
592 	),
593 	TP_printk("%s: req %p length %u/%u ==> %d",
594 		__entry->dir ? "bulk-in" : "bulk-out",
595 		__entry->req, __entry->actual,
596 		__entry->length, __entry->status
597 	)
598 );
599 
600 DEFINE_EVENT(xhci_dbc_log_request, xhci_dbc_alloc_request,
601 	TP_PROTO(struct dbc_request *req),
602 	TP_ARGS(req)
603 );
604 
605 DEFINE_EVENT(xhci_dbc_log_request, xhci_dbc_free_request,
606 	TP_PROTO(struct dbc_request *req),
607 	TP_ARGS(req)
608 );
609 
610 DEFINE_EVENT(xhci_dbc_log_request, xhci_dbc_queue_request,
611 	TP_PROTO(struct dbc_request *req),
612 	TP_ARGS(req)
613 );
614 
615 DEFINE_EVENT(xhci_dbc_log_request, xhci_dbc_giveback_request,
616 	TP_PROTO(struct dbc_request *req),
617 	TP_ARGS(req)
618 );
619 #endif /* __XHCI_TRACE_H */
620 
621 /* this part must be outside header guard */
622 
623 #undef TRACE_INCLUDE_PATH
624 #define TRACE_INCLUDE_PATH .
625 
626 #undef TRACE_INCLUDE_FILE
627 #define TRACE_INCLUDE_FILE xhci-trace
628 
629 #include <trace/define_trace.h>
630