drivers/usb/dwc3/trace.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 /**
   3  * trace.h - DesignWare USB3 DRD Controller Trace Support
   4  *
   5  * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com
   6  *
   7  * Author: Felipe Balbi <balbi@ti.com>
   8  */
   9
  10 #undef TRACE_SYSTEM
  11 #define TRACE_SYSTEM dwc3
  12
  13 #if !defined(__DWC3_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
  14 #define __DWC3_TRACE_H
  15
  16 #include <linux/types.h>
  17 #include <linux/tracepoint.h>
  18 #include <asm/byteorder.h>
  19 #include "core.h"
  20 #include "debug.h"
  21
  22 DECLARE_EVENT_CLASS(dwc3_log_io,
  23         TP_PROTO(void *base, u32 offset, u32 value),
  24         TP_ARGS(base, offset, value),
  25         TP_STRUCT__entry(
  26                 __field(void *, base)
  27                 __field(u32, offset)
  28                 __field(u32, value)
  29         ),
  30         TP_fast_assign(
  31                 __entry->base = base;
  32                 __entry->offset = offset;
  33                 __entry->value = value;
  34         ),
  35         TP_printk("addr %p value %08x", __entry->base + __entry->offset,
  36                         __entry->value)
  37 );
  38
  39 DEFINE_EVENT(dwc3_log_io, dwc3_readl,
  40         TP_PROTO(void __iomem *base, u32 offset, u32 value),
  41         TP_ARGS(base, offset, value)
  42 );
  43
  44 DEFINE_EVENT(dwc3_log_io, dwc3_writel,
  45         TP_PROTO(void __iomem *base, u32 offset, u32 value),
  46         TP_ARGS(base, offset, value)
  47 );
  48
  49 DECLARE_EVENT_CLASS(dwc3_log_event,
  50         TP_PROTO(u32 event, struct dwc3 *dwc),
  51         TP_ARGS(event, dwc),
  52         TP_STRUCT__entry(
  53                 __field(u32, event)
  54                 __field(u32, ep0state)
  55                 __dynamic_array(char, str, DWC3_MSG_MAX)
  56         ),
  57         TP_fast_assign(
  58                 __entry->event = event;
  59                 __entry->ep0state = dwc->ep0state;
  60         ),
  61         TP_printk("event (%08x): %s", __entry->event,
  62                         dwc3_decode_event(__get_str(str), DWC3_MSG_MAX,
  63                                         __entry->event, __entry->ep0state))
  64 );
  65
  66 DEFINE_EVENT(dwc3_log_event, dwc3_event,
  67         TP_PROTO(u32 event, struct dwc3 *dwc),
  68         TP_ARGS(event, dwc)
  69 );
  70
  71 DECLARE_EVENT_CLASS(dwc3_log_ctrl,
  72         TP_PROTO(struct usb_ctrlrequest *ctrl),
  73         TP_ARGS(ctrl),
  74         TP_STRUCT__entry(
  75                 __field(__u8, bRequestType)
  76                 __field(__u8, bRequest)
  77                 __field(__u16, wValue)
  78                 __field(__u16, wIndex)
  79                 __field(__u16, wLength)
  80                 __dynamic_array(char, str, DWC3_MSG_MAX)
  81         ),
  82         TP_fast_assign(
  83                 __entry->bRequestType = ctrl->bRequestType;
  84                 __entry->bRequest = ctrl->bRequest;
  85                 __entry->wValue = le16_to_cpu(ctrl->wValue);
  86                 __entry->wIndex = le16_to_cpu(ctrl->wIndex);
  87                 __entry->wLength = le16_to_cpu(ctrl->wLength);
  88         ),
  89         TP_printk("%s", dwc3_decode_ctrl(__get_str(str), DWC3_MSG_MAX,
  90                                         __entry->bRequestType,
  91                                         __entry->bRequest, __entry->wValue,
  92                                         __entry->wIndex, __entry->wLength)
  93         )
  94 );
  95
  96 DEFINE_EVENT(dwc3_log_ctrl, dwc3_ctrl_req,
  97         TP_PROTO(struct usb_ctrlrequest *ctrl),
  98         TP_ARGS(ctrl)
  99 );
 100
 101 DECLARE_EVENT_CLASS(dwc3_log_request,
 102         TP_PROTO(struct dwc3_request *req),
 103         TP_ARGS(req),
 104         TP_STRUCT__entry(
 105                 __string(name, req->dep->name)
 106                 __field(struct dwc3_request *, req)
 107                 __field(unsigned, actual)
 108                 __field(unsigned, length)
 109                 __field(int, status)
 110                 __field(int, zero)
 111                 __field(int, short_not_ok)
 112                 __field(int, no_interrupt)
 113         ),
 114         TP_fast_assign(
 115                 __assign_str(name, req->dep->name);
 116                 __entry->req = req;
 117                 __entry->actual = req->request.actual;
 118                 __entry->length = req->request.length;
 119                 __entry->status = req->request.status;
 120                 __entry->zero = req->request.zero;
 121                 __entry->short_not_ok = req->request.short_not_ok;
 122                 __entry->no_interrupt = req->request.no_interrupt;
 123         ),
 124         TP_printk("%s: req %p length %u/%u %s%s%s ==> %d",
 125                 __get_str(name), __entry->req, __entry->actual, __entry->length,
 126                 __entry->zero ? "Z" : "z",
 127                 __entry->short_not_ok ? "S" : "s",
 128                 __entry->no_interrupt ? "i" : "I",
 129                 __entry->status
 130         )
 131 );
 132
 133 DEFINE_EVENT(dwc3_log_request, dwc3_alloc_request,
 134         TP_PROTO(struct dwc3_request *req),
 135         TP_ARGS(req)
 136 );
 137
 138 DEFINE_EVENT(dwc3_log_request, dwc3_free_request,
 139         TP_PROTO(struct dwc3_request *req),
 140         TP_ARGS(req)
 141 );
 142
 143 DEFINE_EVENT(dwc3_log_request, dwc3_ep_queue,
 144         TP_PROTO(struct dwc3_request *req),
 145         TP_ARGS(req)
 146 );
 147
 148 DEFINE_EVENT(dwc3_log_request, dwc3_ep_dequeue,
 149         TP_PROTO(struct dwc3_request *req),
 150         TP_ARGS(req)
 151 );
 152
 153 DEFINE_EVENT(dwc3_log_request, dwc3_gadget_giveback,
 154         TP_PROTO(struct dwc3_request *req),
 155         TP_ARGS(req)
 156 );
 157
 158 DECLARE_EVENT_CLASS(dwc3_log_generic_cmd,
 159         TP_PROTO(unsigned int cmd, u32 param, int status),
 160         TP_ARGS(cmd, param, status),
 161         TP_STRUCT__entry(
 162                 __field(unsigned int, cmd)
 163                 __field(u32, param)
 164                 __field(int, status)
 165         ),
 166         TP_fast_assign(
 167                 __entry->cmd = cmd;
 168                 __entry->param = param;
 169                 __entry->status = status;
 170         ),
 171         TP_printk("cmd '%s' [%x] param %08x --> status: %s",
 172                 dwc3_gadget_generic_cmd_string(__entry->cmd),
 173                 __entry->cmd, __entry->param,
 174                 dwc3_gadget_generic_cmd_status_string(__entry->status)
 175         )
 176 );
 177
 178 DEFINE_EVENT(dwc3_log_generic_cmd, dwc3_gadget_generic_cmd,
 179         TP_PROTO(unsigned int cmd, u32 param, int status),
 180         TP_ARGS(cmd, param, status)
 181 );
 182
 183 DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd,
 184         TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
 185                 struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
 186         TP_ARGS(dep, cmd, params, cmd_status),
 187         TP_STRUCT__entry(
 188                 __string(name, dep->name)
 189                 __field(unsigned int, cmd)
 190                 __field(u32, param0)
 191                 __field(u32, param1)
 192                 __field(u32, param2)
 193                 __field(int, cmd_status)
 194         ),
 195         TP_fast_assign(
 196                 __assign_str(name, dep->name);
 197                 __entry->cmd = cmd;
 198                 __entry->param0 = params->param0;
 199                 __entry->param1 = params->param1;
 200                 __entry->param2 = params->param2;
 201                 __entry->cmd_status = cmd_status;
 202         ),
 203         TP_printk("%s: cmd '%s' [%x] params %08x %08x %08x --> status: %s",
 204                 __get_str(name), dwc3_gadget_ep_cmd_string(__entry->cmd),
 205                 __entry->cmd, __entry->param0,
 206                 __entry->param1, __entry->param2,
 207                 dwc3_ep_cmd_status_string(__entry->cmd_status)
 208         )
 209 );
 210
 211 DEFINE_EVENT(dwc3_log_gadget_ep_cmd, dwc3_gadget_ep_cmd,
 212         TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
 213                 struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
 214         TP_ARGS(dep, cmd, params, cmd_status)
 215 );
 216
 217 DECLARE_EVENT_CLASS(dwc3_log_trb,
 218         TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
 219         TP_ARGS(dep, trb),
 220         TP_STRUCT__entry(
 221                 __string(name, dep->name)
 222                 __field(struct dwc3_trb *, trb)
 223                 __field(u32, allocated)
 224                 __field(u32, queued)
 225                 __field(u32, bpl)
 226                 __field(u32, bph)
 227                 __field(u32, size)
 228                 __field(u32, ctrl)
 229                 __field(u32, type)
 230         ),
 231         TP_fast_assign(
 232                 __assign_str(name, dep->name);
 233                 __entry->trb = trb;
 234                 __entry->bpl = trb->bpl;
 235                 __entry->bph = trb->bph;
 236                 __entry->size = trb->size;
 237                 __entry->ctrl = trb->ctrl;
 238                 __entry->type = usb_endpoint_type(dep->endpoint.desc);
 239         ),
 240         TP_printk("%s: trb %p buf %08x%08x size %s%d ctrl %08x (%c%c%c%c:%c%c:%s)",
 241                 __get_str(name), __entry->trb, __entry->bph, __entry->bpl,
 242                 ({char *s;
 243                 int pcm = ((__entry->size >> 24) & 3) + 1;
 244                 switch (__entry->type) {
 245                 case USB_ENDPOINT_XFER_INT:
 246                 case USB_ENDPOINT_XFER_ISOC:
 247                         switch (pcm) {
 248                         case 1:
 249                                 s = "1x ";
 250                                 break;
 251                         case 2:
 252                                 s = "2x ";
 253                                 break;
 254                         case 3:
 255                         default:
 256                                 s = "3x ";
 257                                 break;
 258                         }
 259                         break;
 260                 default:
 261                         s = "";
 262                 } s; }),
 263                 DWC3_TRB_SIZE_LENGTH(__entry->size), __entry->ctrl,
 264                 __entry->ctrl & DWC3_TRB_CTRL_HWO ? 'H' : 'h',
 265                 __entry->ctrl & DWC3_TRB_CTRL_LST ? 'L' : 'l',
 266                 __entry->ctrl & DWC3_TRB_CTRL_CHN ? 'C' : 'c',
 267                 __entry->ctrl & DWC3_TRB_CTRL_CSP ? 'S' : 's',
 268                 __entry->ctrl & DWC3_TRB_CTRL_ISP_IMI ? 'S' : 's',
 269                 __entry->ctrl & DWC3_TRB_CTRL_IOC ? 'C' : 'c',
 270                   dwc3_trb_type_string(DWC3_TRBCTL_TYPE(__entry->ctrl))
 271         )
 272 );
 273
 274 DEFINE_EVENT(dwc3_log_trb, dwc3_prepare_trb,
 275         TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
 276         TP_ARGS(dep, trb)
 277 );
 278
 279 DEFINE_EVENT(dwc3_log_trb, dwc3_complete_trb,
 280         TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
 281         TP_ARGS(dep, trb)
 282 );
 283
 284 DECLARE_EVENT_CLASS(dwc3_log_ep,
 285         TP_PROTO(struct dwc3_ep *dep),
 286         TP_ARGS(dep),
 287         TP_STRUCT__entry(
 288                 __string(name, dep->name)
 289                 __field(unsigned, maxpacket)
 290                 __field(unsigned, maxpacket_limit)
 291                 __field(unsigned, max_streams)
 292                 __field(unsigned, maxburst)
 293                 __field(unsigned, flags)
 294                 __field(unsigned, direction)
 295                 __field(u8, trb_enqueue)
 296                 __field(u8, trb_dequeue)
 297         ),
 298         TP_fast_assign(
 299                 __assign_str(name, dep->name);
 300                 __entry->maxpacket = dep->endpoint.maxpacket;
 301                 __entry->maxpacket_limit = dep->endpoint.maxpacket_limit;
 302                 __entry->max_streams = dep->endpoint.max_streams;
 303                 __entry->maxburst = dep->endpoint.maxburst;
 304                 __entry->flags = dep->flags;
 305                 __entry->direction = dep->direction;
 306                 __entry->trb_enqueue = dep->trb_enqueue;
 307                 __entry->trb_dequeue = dep->trb_dequeue;
 308         ),
 309         TP_printk("%s: mps %d/%d streams %d burst %d ring %d/%d flags %c:%c%c%c%c:%c",
 310                 __get_str(name), __entry->maxpacket,
 311                 __entry->maxpacket_limit, __entry->max_streams,
 312                 __entry->maxburst, __entry->trb_enqueue,
 313                 __entry->trb_dequeue,
 314                 __entry->flags & DWC3_EP_ENABLED ? 'E' : 'e',
 315                 __entry->flags & DWC3_EP_STALL ? 'S' : 's',
 316                 __entry->flags & DWC3_EP_WEDGE ? 'W' : 'w',
 317                 __entry->flags & DWC3_EP_TRANSFER_STARTED ? 'B' : 'b',
 318                 __entry->flags & DWC3_EP_PENDING_REQUEST ? 'P' : 'p',
 319                 __entry->direction ? '<' : '>'
 320         )
 321 );
 322
 323 DEFINE_EVENT(dwc3_log_ep, dwc3_gadget_ep_enable,
 324         TP_PROTO(struct dwc3_ep *dep),
 325         TP_ARGS(dep)
 326 );
 327
 328 DEFINE_EVENT(dwc3_log_ep, dwc3_gadget_ep_disable,
 329         TP_PROTO(struct dwc3_ep *dep),
 330         TP_ARGS(dep)
 331 );
 332
 333 #endif /* __DWC3_TRACE_H */
 334
 335 /* this part has to be here */
 336
 337 #undef TRACE_INCLUDE_PATH
 338 #define TRACE_INCLUDE_PATH .
 339
 340 #undef TRACE_INCLUDE_FILE
 341 #define TRACE_INCLUDE_FILE trace
 342
 343 #include <trace/define_trace.h>