drivers/usb/cdns3/trace.h

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