drivers/platform/surface/aggregator/trace.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Trace points for SSAM/SSH.
   4  *
   5  * Copyright (C) 2020-2021 Maximilian Luz <luzmaximilian@gmail.com>
   6  */
   7
   8 #undef TRACE_SYSTEM
   9 #define TRACE_SYSTEM surface_aggregator
  10
  11 #if !defined(_SURFACE_AGGREGATOR_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
  12 #define _SURFACE_AGGREGATOR_TRACE_H
  13
  14 #include <linux/surface_aggregator/serial_hub.h>
  15
  16 #include <asm/unaligned.h>
  17 #include <linux/tracepoint.h>
  18
  19 TRACE_DEFINE_ENUM(SSH_FRAME_TYPE_DATA_SEQ);
  20 TRACE_DEFINE_ENUM(SSH_FRAME_TYPE_DATA_NSQ);
  21 TRACE_DEFINE_ENUM(SSH_FRAME_TYPE_ACK);
  22 TRACE_DEFINE_ENUM(SSH_FRAME_TYPE_NAK);
  23
  24 TRACE_DEFINE_ENUM(SSH_PACKET_SF_LOCKED_BIT);
  25 TRACE_DEFINE_ENUM(SSH_PACKET_SF_QUEUED_BIT);
  26 TRACE_DEFINE_ENUM(SSH_PACKET_SF_PENDING_BIT);
  27 TRACE_DEFINE_ENUM(SSH_PACKET_SF_TRANSMITTING_BIT);
  28 TRACE_DEFINE_ENUM(SSH_PACKET_SF_TRANSMITTED_BIT);
  29 TRACE_DEFINE_ENUM(SSH_PACKET_SF_ACKED_BIT);
  30 TRACE_DEFINE_ENUM(SSH_PACKET_SF_CANCELED_BIT);
  31 TRACE_DEFINE_ENUM(SSH_PACKET_SF_COMPLETED_BIT);
  32
  33 TRACE_DEFINE_ENUM(SSH_PACKET_TY_FLUSH_BIT);
  34 TRACE_DEFINE_ENUM(SSH_PACKET_TY_SEQUENCED_BIT);
  35 TRACE_DEFINE_ENUM(SSH_PACKET_TY_BLOCKING_BIT);
  36
  37 TRACE_DEFINE_ENUM(SSH_PACKET_FLAGS_SF_MASK);
  38 TRACE_DEFINE_ENUM(SSH_PACKET_FLAGS_TY_MASK);
  39
  40 TRACE_DEFINE_ENUM(SSH_REQUEST_SF_LOCKED_BIT);
  41 TRACE_DEFINE_ENUM(SSH_REQUEST_SF_QUEUED_BIT);
  42 TRACE_DEFINE_ENUM(SSH_REQUEST_SF_PENDING_BIT);
  43 TRACE_DEFINE_ENUM(SSH_REQUEST_SF_TRANSMITTING_BIT);
  44 TRACE_DEFINE_ENUM(SSH_REQUEST_SF_TRANSMITTED_BIT);
  45 TRACE_DEFINE_ENUM(SSH_REQUEST_SF_RSPRCVD_BIT);
  46 TRACE_DEFINE_ENUM(SSH_REQUEST_SF_CANCELED_BIT);
  47 TRACE_DEFINE_ENUM(SSH_REQUEST_SF_COMPLETED_BIT);
  48
  49 TRACE_DEFINE_ENUM(SSH_REQUEST_TY_FLUSH_BIT);
  50 TRACE_DEFINE_ENUM(SSH_REQUEST_TY_HAS_RESPONSE_BIT);
  51
  52 TRACE_DEFINE_ENUM(SSH_REQUEST_FLAGS_SF_MASK);
  53 TRACE_DEFINE_ENUM(SSH_REQUEST_FLAGS_TY_MASK);
  54
  55 TRACE_DEFINE_ENUM(SSAM_SSH_TC_SAM);
  56 TRACE_DEFINE_ENUM(SSAM_SSH_TC_BAT);
  57 TRACE_DEFINE_ENUM(SSAM_SSH_TC_TMP);
  58 TRACE_DEFINE_ENUM(SSAM_SSH_TC_PMC);
  59 TRACE_DEFINE_ENUM(SSAM_SSH_TC_FAN);
  60 TRACE_DEFINE_ENUM(SSAM_SSH_TC_PoM);
  61 TRACE_DEFINE_ENUM(SSAM_SSH_TC_DBG);
  62 TRACE_DEFINE_ENUM(SSAM_SSH_TC_KBD);
  63 TRACE_DEFINE_ENUM(SSAM_SSH_TC_FWU);
  64 TRACE_DEFINE_ENUM(SSAM_SSH_TC_UNI);
  65 TRACE_DEFINE_ENUM(SSAM_SSH_TC_LPC);
  66 TRACE_DEFINE_ENUM(SSAM_SSH_TC_TCL);
  67 TRACE_DEFINE_ENUM(SSAM_SSH_TC_SFL);
  68 TRACE_DEFINE_ENUM(SSAM_SSH_TC_KIP);
  69 TRACE_DEFINE_ENUM(SSAM_SSH_TC_EXT);
  70 TRACE_DEFINE_ENUM(SSAM_SSH_TC_BLD);
  71 TRACE_DEFINE_ENUM(SSAM_SSH_TC_BAS);
  72 TRACE_DEFINE_ENUM(SSAM_SSH_TC_SEN);
  73 TRACE_DEFINE_ENUM(SSAM_SSH_TC_SRQ);
  74 TRACE_DEFINE_ENUM(SSAM_SSH_TC_MCU);
  75 TRACE_DEFINE_ENUM(SSAM_SSH_TC_HID);
  76 TRACE_DEFINE_ENUM(SSAM_SSH_TC_TCH);
  77 TRACE_DEFINE_ENUM(SSAM_SSH_TC_BKL);
  78 TRACE_DEFINE_ENUM(SSAM_SSH_TC_TAM);
  79 TRACE_DEFINE_ENUM(SSAM_SSH_TC_ACC0);
  80 TRACE_DEFINE_ENUM(SSAM_SSH_TC_UFI);
  81 TRACE_DEFINE_ENUM(SSAM_SSH_TC_USC);
  82 TRACE_DEFINE_ENUM(SSAM_SSH_TC_PEN);
  83 TRACE_DEFINE_ENUM(SSAM_SSH_TC_VID);
  84 TRACE_DEFINE_ENUM(SSAM_SSH_TC_AUD);
  85 TRACE_DEFINE_ENUM(SSAM_SSH_TC_SMC);
  86 TRACE_DEFINE_ENUM(SSAM_SSH_TC_KPD);
  87 TRACE_DEFINE_ENUM(SSAM_SSH_TC_REG);
  88 TRACE_DEFINE_ENUM(SSAM_SSH_TC_SPT);
  89 TRACE_DEFINE_ENUM(SSAM_SSH_TC_SYS);
  90 TRACE_DEFINE_ENUM(SSAM_SSH_TC_ACC1);
  91 TRACE_DEFINE_ENUM(SSAM_SSH_TC_SHB);
  92 TRACE_DEFINE_ENUM(SSAM_SSH_TC_POS);
  93
  94 #define SSAM_PTR_UID_LEN                9
  95 #define SSAM_U8_FIELD_NOT_APPLICABLE    ((u16)-1)
  96 #define SSAM_SEQ_NOT_APPLICABLE         ((u16)-1)
  97 #define SSAM_RQID_NOT_APPLICABLE        ((u32)-1)
  98 #define SSAM_SSH_TC_NOT_APPLICABLE      0
  99
 100 #ifndef _SURFACE_AGGREGATOR_TRACE_HELPERS
 101 #define _SURFACE_AGGREGATOR_TRACE_HELPERS
 102
 103 /**
 104  * ssam_trace_ptr_uid() - Convert the pointer to a non-pointer UID string.
 105  * @ptr: The pointer to convert.
 106  * @uid_str: A buffer of length SSAM_PTR_UID_LEN where the UID will be stored.
 107  *
 108  * Converts the given pointer into a UID string that is safe to be shared
 109  * with userspace and logs, i.e. doesn't give away the real memory location.
 110  */
 111 static inline void ssam_trace_ptr_uid(const void *ptr, char *uid_str)
 112 {
 113         char buf[2 * sizeof(void *) + 1];
 114
 115         BUILD_BUG_ON(ARRAY_SIZE(buf) < SSAM_PTR_UID_LEN);
 116
 117         snprintf(buf, ARRAY_SIZE(buf), "%p", ptr);
 118         memcpy(uid_str, &buf[ARRAY_SIZE(buf) - SSAM_PTR_UID_LEN],
 119                SSAM_PTR_UID_LEN);
 120 }
 121
 122 /**
 123  * ssam_trace_get_packet_seq() - Read the packet's sequence ID.
 124  * @p: The packet.
 125  *
 126  * Return: Returns the packet's sequence ID (SEQ) field if present, or
 127  * %SSAM_SEQ_NOT_APPLICABLE if not (e.g. flush packet).
 128  */
 129 static inline u16 ssam_trace_get_packet_seq(const struct ssh_packet *p)
 130 {
 131         if (!p->data.ptr || p->data.len < SSH_MESSAGE_LENGTH(0))
 132                 return SSAM_SEQ_NOT_APPLICABLE;
 133
 134         return p->data.ptr[SSH_MSGOFFSET_FRAME(seq)];
 135 }
 136
 137 /**
 138  * ssam_trace_get_request_id() - Read the packet's request ID.
 139  * @p: The packet.
 140  *
 141  * Return: Returns the packet's request ID (RQID) field if the packet
 142  * represents a request with command data, or %SSAM_RQID_NOT_APPLICABLE if not
 143  * (e.g. flush request, control packet).
 144  */
 145 static inline u32 ssam_trace_get_request_id(const struct ssh_packet *p)
 146 {
 147         if (!p->data.ptr || p->data.len < SSH_COMMAND_MESSAGE_LENGTH(0))
 148                 return SSAM_RQID_NOT_APPLICABLE;
 149
 150         return get_unaligned_le16(&p->data.ptr[SSH_MSGOFFSET_COMMAND(rqid)]);
 151 }
 152
 153 /**
 154  * ssam_trace_get_request_tc() - Read the packet's request target category.
 155  * @p: The packet.
 156  *
 157  * Return: Returns the packet's request target category (TC) field if the
 158  * packet represents a request with command data, or %SSAM_TC_NOT_APPLICABLE
 159  * if not (e.g. flush request, control packet).
 160  */
 161 static inline u32 ssam_trace_get_request_tc(const struct ssh_packet *p)
 162 {
 163         if (!p->data.ptr || p->data.len < SSH_COMMAND_MESSAGE_LENGTH(0))
 164                 return SSAM_SSH_TC_NOT_APPLICABLE;
 165
 166         return get_unaligned_le16(&p->data.ptr[SSH_MSGOFFSET_COMMAND(tc)]);
 167 }
 168
 169 #endif /* _SURFACE_AGGREGATOR_TRACE_HELPERS */
 170
 171 #define ssam_trace_get_command_field_u8(packet, field) \
 172         ((!(packet) || (packet)->data.len < SSH_COMMAND_MESSAGE_LENGTH(0)) \
 173          ? 0 : (packet)->data.ptr[SSH_MSGOFFSET_COMMAND(field)])
 174
 175 #define ssam_show_generic_u8_field(value)                               \
 176         __print_symbolic(value,                                         \
 177                 { SSAM_U8_FIELD_NOT_APPLICABLE,         "N/A" }         \
 178         )
 179
 180 #define ssam_show_frame_type(ty)                                        \
 181         __print_symbolic(ty,                                            \
 182                 { SSH_FRAME_TYPE_DATA_SEQ,              "DSEQ" },       \
 183                 { SSH_FRAME_TYPE_DATA_NSQ,              "DNSQ" },       \
 184                 { SSH_FRAME_TYPE_ACK,                   "ACK"  },       \
 185                 { SSH_FRAME_TYPE_NAK,                   "NAK"  }        \
 186         )
 187
 188 #define ssam_show_packet_type(type)                                     \
 189         __print_flags(flags & SSH_PACKET_FLAGS_TY_MASK, "",             \
 190                 { BIT(SSH_PACKET_TY_FLUSH_BIT),         "F" },          \
 191                 { BIT(SSH_PACKET_TY_SEQUENCED_BIT),     "S" },          \
 192                 { BIT(SSH_PACKET_TY_BLOCKING_BIT),      "B" }           \
 193         )
 194
 195 #define ssam_show_packet_state(state)                                   \
 196         __print_flags(flags & SSH_PACKET_FLAGS_SF_MASK, "",             \
 197                 { BIT(SSH_PACKET_SF_LOCKED_BIT),        "L" },          \
 198                 { BIT(SSH_PACKET_SF_QUEUED_BIT),        "Q" },          \
 199                 { BIT(SSH_PACKET_SF_PENDING_BIT),       "P" },          \
 200                 { BIT(SSH_PACKET_SF_TRANSMITTING_BIT),  "S" },          \
 201                 { BIT(SSH_PACKET_SF_TRANSMITTED_BIT),   "T" },          \
 202                 { BIT(SSH_PACKET_SF_ACKED_BIT),         "A" },          \
 203                 { BIT(SSH_PACKET_SF_CANCELED_BIT),      "C" },          \
 204                 { BIT(SSH_PACKET_SF_COMPLETED_BIT),     "F" }           \
 205         )
 206
 207 #define ssam_show_packet_seq(seq)                                       \
 208         __print_symbolic(seq,                                           \
 209                 { SSAM_SEQ_NOT_APPLICABLE,              "N/A" }         \
 210         )
 211
 212 #define ssam_show_request_type(flags)                                   \
 213         __print_flags((flags) & SSH_REQUEST_FLAGS_TY_MASK, "",          \
 214                 { BIT(SSH_REQUEST_TY_FLUSH_BIT),        "F" },          \
 215                 { BIT(SSH_REQUEST_TY_HAS_RESPONSE_BIT), "R" }           \
 216         )
 217
 218 #define ssam_show_request_state(flags)                                  \
 219         __print_flags((flags) & SSH_REQUEST_FLAGS_SF_MASK, "",          \
 220                 { BIT(SSH_REQUEST_SF_LOCKED_BIT),       "L" },          \
 221                 { BIT(SSH_REQUEST_SF_QUEUED_BIT),       "Q" },          \
 222                 { BIT(SSH_REQUEST_SF_PENDING_BIT),      "P" },          \
 223                 { BIT(SSH_REQUEST_SF_TRANSMITTING_BIT), "S" },          \
 224                 { BIT(SSH_REQUEST_SF_TRANSMITTED_BIT),  "T" },          \
 225                 { BIT(SSH_REQUEST_SF_RSPRCVD_BIT),      "A" },          \
 226                 { BIT(SSH_REQUEST_SF_CANCELED_BIT),     "C" },          \
 227                 { BIT(SSH_REQUEST_SF_COMPLETED_BIT),    "F" }           \
 228         )
 229
 230 #define ssam_show_request_id(rqid)                                      \
 231         __print_symbolic(rqid,                                          \
 232                 { SSAM_RQID_NOT_APPLICABLE,             "N/A" }         \
 233         )
 234
 235 #define ssam_show_ssh_tc(rqid)                                          \
 236         __print_symbolic(rqid,                                          \
 237                 { SSAM_SSH_TC_NOT_APPLICABLE,           "N/A"  },       \
 238                 { SSAM_SSH_TC_SAM,                      "SAM"  },       \
 239                 { SSAM_SSH_TC_BAT,                      "BAT"  },       \
 240                 { SSAM_SSH_TC_TMP,                      "TMP"  },       \
 241                 { SSAM_SSH_TC_PMC,                      "PMC"  },       \
 242                 { SSAM_SSH_TC_FAN,                      "FAN"  },       \
 243                 { SSAM_SSH_TC_PoM,                      "PoM"  },       \
 244                 { SSAM_SSH_TC_DBG,                      "DBG"  },       \
 245                 { SSAM_SSH_TC_KBD,                      "KBD"  },       \
 246                 { SSAM_SSH_TC_FWU,                      "FWU"  },       \
 247                 { SSAM_SSH_TC_UNI,                      "UNI"  },       \
 248                 { SSAM_SSH_TC_LPC,                      "LPC"  },       \
 249                 { SSAM_SSH_TC_TCL,                      "TCL"  },       \
 250                 { SSAM_SSH_TC_SFL,                      "SFL"  },       \
 251                 { SSAM_SSH_TC_KIP,                      "KIP"  },       \
 252                 { SSAM_SSH_TC_EXT,                      "EXT"  },       \
 253                 { SSAM_SSH_TC_BLD,                      "BLD"  },       \
 254                 { SSAM_SSH_TC_BAS,                      "BAS"  },       \
 255                 { SSAM_SSH_TC_SEN,                      "SEN"  },       \
 256                 { SSAM_SSH_TC_SRQ,                      "SRQ"  },       \
 257                 { SSAM_SSH_TC_MCU,                      "MCU"  },       \
 258                 { SSAM_SSH_TC_HID,                      "HID"  },       \
 259                 { SSAM_SSH_TC_TCH,                      "TCH"  },       \
 260                 { SSAM_SSH_TC_BKL,                      "BKL"  },       \
 261                 { SSAM_SSH_TC_TAM,                      "TAM"  },       \
 262                 { SSAM_SSH_TC_ACC0,                     "ACC0" },       \
 263                 { SSAM_SSH_TC_UFI,                      "UFI"  },       \
 264                 { SSAM_SSH_TC_USC,                      "USC"  },       \
 265                 { SSAM_SSH_TC_PEN,                      "PEN"  },       \
 266                 { SSAM_SSH_TC_VID,                      "VID"  },       \
 267                 { SSAM_SSH_TC_AUD,                      "AUD"  },       \
 268                 { SSAM_SSH_TC_SMC,                      "SMC"  },       \
 269                 { SSAM_SSH_TC_KPD,                      "KPD"  },       \
 270                 { SSAM_SSH_TC_REG,                      "REG"  },       \
 271                 { SSAM_SSH_TC_SPT,                      "SPT"  },       \
 272                 { SSAM_SSH_TC_SYS,                      "SYS"  },       \
 273                 { SSAM_SSH_TC_ACC1,                     "ACC1" },       \
 274                 { SSAM_SSH_TC_SHB,                      "SMB"  },       \
 275                 { SSAM_SSH_TC_POS,                      "POS"  }        \
 276         )
 277
 278 DECLARE_EVENT_CLASS(ssam_frame_class,
 279         TP_PROTO(const struct ssh_frame *frame),
 280
 281         TP_ARGS(frame),
 282
 283         TP_STRUCT__entry(
 284                 __field(u8, type)
 285                 __field(u8, seq)
 286                 __field(u16, len)
 287         ),
 288
 289         TP_fast_assign(
 290                 __entry->type = frame->type;
 291                 __entry->seq = frame->seq;
 292                 __entry->len = get_unaligned_le16(&frame->len);
 293         ),
 294
 295         TP_printk("ty=%s, seq=%#04x, len=%u",
 296                 ssam_show_frame_type(__entry->type),
 297                 __entry->seq,
 298                 __entry->len
 299         )
 300 );
 301
 302 #define DEFINE_SSAM_FRAME_EVENT(name)                           \
 303         DEFINE_EVENT(ssam_frame_class, ssam_##name,             \
 304                 TP_PROTO(const struct ssh_frame *frame),        \
 305                 TP_ARGS(frame)                                  \
 306         )
 307
 308 DECLARE_EVENT_CLASS(ssam_command_class,
 309         TP_PROTO(const struct ssh_command *cmd, u16 len),
 310
 311         TP_ARGS(cmd, len),
 312
 313         TP_STRUCT__entry(
 314                 __field(u16, rqid)
 315                 __field(u16, len)
 316                 __field(u8, tc)
 317                 __field(u8, cid)
 318                 __field(u8, iid)
 319         ),
 320
 321         TP_fast_assign(
 322                 __entry->rqid = get_unaligned_le16(&cmd->rqid);
 323                 __entry->tc = cmd->tc;
 324                 __entry->cid = cmd->cid;
 325                 __entry->iid = cmd->iid;
 326                 __entry->len = len;
 327         ),
 328
 329         TP_printk("rqid=%#06x, tc=%s, cid=%#04x, iid=%#04x, len=%u",
 330                 __entry->rqid,
 331                 ssam_show_ssh_tc(__entry->tc),
 332                 __entry->cid,
 333                 __entry->iid,
 334                 __entry->len
 335         )
 336 );
 337
 338 #define DEFINE_SSAM_COMMAND_EVENT(name)                                 \
 339         DEFINE_EVENT(ssam_command_class, ssam_##name,                   \
 340                 TP_PROTO(const struct ssh_command *cmd, u16 len),       \
 341                 TP_ARGS(cmd, len)                                       \
 342         )
 343
 344 DECLARE_EVENT_CLASS(ssam_packet_class,
 345         TP_PROTO(const struct ssh_packet *packet),
 346
 347         TP_ARGS(packet),
 348
 349         TP_STRUCT__entry(
 350                 __field(unsigned long, state)
 351                 __array(char, uid, SSAM_PTR_UID_LEN)
 352                 __field(u8, priority)
 353                 __field(u16, length)
 354                 __field(u16, seq)
 355         ),
 356
 357         TP_fast_assign(
 358                 __entry->state = READ_ONCE(packet->state);
 359                 ssam_trace_ptr_uid(packet, __entry->uid);
 360                 __entry->priority = READ_ONCE(packet->priority);
 361                 __entry->length = packet->data.len;
 362                 __entry->seq = ssam_trace_get_packet_seq(packet);
 363         ),
 364
 365         TP_printk("uid=%s, seq=%s, ty=%s, pri=%#04x, len=%u, sta=%s",
 366                 __entry->uid,
 367                 ssam_show_packet_seq(__entry->seq),
 368                 ssam_show_packet_type(__entry->state),
 369                 __entry->priority,
 370                 __entry->length,
 371                 ssam_show_packet_state(__entry->state)
 372         )
 373 );
 374
 375 #define DEFINE_SSAM_PACKET_EVENT(name)                          \
 376         DEFINE_EVENT(ssam_packet_class, ssam_##name,            \
 377                 TP_PROTO(const struct ssh_packet *packet),      \
 378                 TP_ARGS(packet)                                 \
 379         )
 380
 381 DECLARE_EVENT_CLASS(ssam_packet_status_class,
 382         TP_PROTO(const struct ssh_packet *packet, int status),
 383
 384         TP_ARGS(packet, status),
 385
 386         TP_STRUCT__entry(
 387                 __field(unsigned long, state)
 388                 __field(int, status)
 389                 __array(char, uid, SSAM_PTR_UID_LEN)
 390                 __field(u8, priority)
 391                 __field(u16, length)
 392                 __field(u16, seq)
 393         ),
 394
 395         TP_fast_assign(
 396                 __entry->state = READ_ONCE(packet->state);
 397                 __entry->status = status;
 398                 ssam_trace_ptr_uid(packet, __entry->uid);
 399                 __entry->priority = READ_ONCE(packet->priority);
 400                 __entry->length = packet->data.len;
 401                 __entry->seq = ssam_trace_get_packet_seq(packet);
 402         ),
 403
 404         TP_printk("uid=%s, seq=%s, ty=%s, pri=%#04x, len=%u, sta=%s, status=%d",
 405                 __entry->uid,
 406                 ssam_show_packet_seq(__entry->seq),
 407                 ssam_show_packet_type(__entry->state),
 408                 __entry->priority,
 409                 __entry->length,
 410                 ssam_show_packet_state(__entry->state),
 411                 __entry->status
 412         )
 413 );
 414
 415 #define DEFINE_SSAM_PACKET_STATUS_EVENT(name)                           \
 416         DEFINE_EVENT(ssam_packet_status_class, ssam_##name,             \
 417                 TP_PROTO(const struct ssh_packet *packet, int status),  \
 418                 TP_ARGS(packet, status)                                 \
 419         )
 420
 421 DECLARE_EVENT_CLASS(ssam_request_class,
 422         TP_PROTO(const struct ssh_request *request),
 423
 424         TP_ARGS(request),
 425
 426         TP_STRUCT__entry(
 427                 __field(unsigned long, state)
 428                 __field(u32, rqid)
 429                 __array(char, uid, SSAM_PTR_UID_LEN)
 430                 __field(u8, tc)
 431                 __field(u16, cid)
 432                 __field(u16, iid)
 433         ),
 434
 435         TP_fast_assign(
 436                 const struct ssh_packet *p = &request->packet;
 437
 438                 /* Use packet for UID so we can match requests to packets. */
 439                 __entry->state = READ_ONCE(request->state);
 440                 __entry->rqid = ssam_trace_get_request_id(p);
 441                 ssam_trace_ptr_uid(p, __entry->uid);
 442                 __entry->tc = ssam_trace_get_request_tc(p);
 443                 __entry->cid = ssam_trace_get_command_field_u8(p, cid);
 444                 __entry->iid = ssam_trace_get_command_field_u8(p, iid);
 445         ),
 446
 447         TP_printk("uid=%s, rqid=%s, ty=%s, sta=%s, tc=%s, cid=%s, iid=%s",
 448                 __entry->uid,
 449                 ssam_show_request_id(__entry->rqid),
 450                 ssam_show_request_type(__entry->state),
 451                 ssam_show_request_state(__entry->state),
 452                 ssam_show_ssh_tc(__entry->tc),
 453                 ssam_show_generic_u8_field(__entry->cid),
 454                 ssam_show_generic_u8_field(__entry->iid)
 455         )
 456 );
 457
 458 #define DEFINE_SSAM_REQUEST_EVENT(name)                         \
 459         DEFINE_EVENT(ssam_request_class, ssam_##name,           \
 460                 TP_PROTO(const struct ssh_request *request),    \
 461                 TP_ARGS(request)                                \
 462         )
 463
 464 DECLARE_EVENT_CLASS(ssam_request_status_class,
 465         TP_PROTO(const struct ssh_request *request, int status),
 466
 467         TP_ARGS(request, status),
 468
 469         TP_STRUCT__entry(
 470                 __field(unsigned long, state)
 471                 __field(u32, rqid)
 472                 __field(int, status)
 473                 __array(char, uid, SSAM_PTR_UID_LEN)
 474                 __field(u8, tc)
 475                 __field(u16, cid)
 476                 __field(u16, iid)
 477         ),
 478
 479         TP_fast_assign(
 480                 const struct ssh_packet *p = &request->packet;
 481
 482                 /* Use packet for UID so we can match requests to packets. */
 483                 __entry->state = READ_ONCE(request->state);
 484                 __entry->rqid = ssam_trace_get_request_id(p);
 485                 __entry->status = status;
 486                 ssam_trace_ptr_uid(p, __entry->uid);
 487                 __entry->tc = ssam_trace_get_request_tc(p);
 488                 __entry->cid = ssam_trace_get_command_field_u8(p, cid);
 489                 __entry->iid = ssam_trace_get_command_field_u8(p, iid);
 490         ),
 491
 492         TP_printk("uid=%s, rqid=%s, ty=%s, sta=%s, tc=%s, cid=%s, iid=%s, status=%d",
 493                 __entry->uid,
 494                 ssam_show_request_id(__entry->rqid),
 495                 ssam_show_request_type(__entry->state),
 496                 ssam_show_request_state(__entry->state),
 497                 ssam_show_ssh_tc(__entry->tc),
 498                 ssam_show_generic_u8_field(__entry->cid),
 499                 ssam_show_generic_u8_field(__entry->iid),
 500                 __entry->status
 501         )
 502 );
 503
 504 #define DEFINE_SSAM_REQUEST_STATUS_EVENT(name)                          \
 505         DEFINE_EVENT(ssam_request_status_class, ssam_##name,            \
 506                 TP_PROTO(const struct ssh_request *request, int status),\
 507                 TP_ARGS(request, status)                                \
 508         )
 509
 510 DECLARE_EVENT_CLASS(ssam_alloc_class,
 511         TP_PROTO(void *ptr, size_t len),
 512
 513         TP_ARGS(ptr, len),
 514
 515         TP_STRUCT__entry(
 516                 __field(size_t, len)
 517                 __array(char, uid, SSAM_PTR_UID_LEN)
 518         ),
 519
 520         TP_fast_assign(
 521                 __entry->len = len;
 522                 ssam_trace_ptr_uid(ptr, __entry->uid);
 523         ),
 524
 525         TP_printk("uid=%s, len=%zu", __entry->uid, __entry->len)
 526 );
 527
 528 #define DEFINE_SSAM_ALLOC_EVENT(name)                                   \
 529         DEFINE_EVENT(ssam_alloc_class, ssam_##name,                     \
 530                 TP_PROTO(void *ptr, size_t len),                        \
 531                 TP_ARGS(ptr, len)                                       \
 532         )
 533
 534 DECLARE_EVENT_CLASS(ssam_free_class,
 535         TP_PROTO(void *ptr),
 536
 537         TP_ARGS(ptr),
 538
 539         TP_STRUCT__entry(
 540                 __array(char, uid, SSAM_PTR_UID_LEN)
 541         ),
 542
 543         TP_fast_assign(
 544                 ssam_trace_ptr_uid(ptr, __entry->uid);
 545         ),
 546
 547         TP_printk("uid=%s", __entry->uid)
 548 );
 549
 550 #define DEFINE_SSAM_FREE_EVENT(name)                                    \
 551         DEFINE_EVENT(ssam_free_class, ssam_##name,                      \
 552                 TP_PROTO(void *ptr),                                    \
 553                 TP_ARGS(ptr)                                            \
 554         )
 555
 556 DECLARE_EVENT_CLASS(ssam_pending_class,
 557         TP_PROTO(unsigned int pending),
 558
 559         TP_ARGS(pending),
 560
 561         TP_STRUCT__entry(
 562                 __field(unsigned int, pending)
 563         ),
 564
 565         TP_fast_assign(
 566                 __entry->pending = pending;
 567         ),
 568
 569         TP_printk("pending=%u", __entry->pending)
 570 );
 571
 572 #define DEFINE_SSAM_PENDING_EVENT(name)                                 \
 573         DEFINE_EVENT(ssam_pending_class, ssam_##name,                   \
 574                 TP_PROTO(unsigned int pending),                         \
 575                 TP_ARGS(pending)                                        \
 576         )
 577
 578 DECLARE_EVENT_CLASS(ssam_data_class,
 579         TP_PROTO(size_t length),
 580
 581         TP_ARGS(length),
 582
 583         TP_STRUCT__entry(
 584                 __field(size_t, length)
 585         ),
 586
 587         TP_fast_assign(
 588                 __entry->length = length;
 589         ),
 590
 591         TP_printk("length=%zu", __entry->length)
 592 );
 593
 594 #define DEFINE_SSAM_DATA_EVENT(name)                                    \
 595         DEFINE_EVENT(ssam_data_class, ssam_##name,                      \
 596                 TP_PROTO(size_t length),                                \
 597                 TP_ARGS(length)                                         \
 598         )
 599
 600 DEFINE_SSAM_FRAME_EVENT(rx_frame_received);
 601 DEFINE_SSAM_COMMAND_EVENT(rx_response_received);
 602 DEFINE_SSAM_COMMAND_EVENT(rx_event_received);
 603
 604 DEFINE_SSAM_PACKET_EVENT(packet_release);
 605 DEFINE_SSAM_PACKET_EVENT(packet_submit);
 606 DEFINE_SSAM_PACKET_EVENT(packet_resubmit);
 607 DEFINE_SSAM_PACKET_EVENT(packet_timeout);
 608 DEFINE_SSAM_PACKET_EVENT(packet_cancel);
 609 DEFINE_SSAM_PACKET_STATUS_EVENT(packet_complete);
 610 DEFINE_SSAM_PENDING_EVENT(ptl_timeout_reap);
 611
 612 DEFINE_SSAM_REQUEST_EVENT(request_submit);
 613 DEFINE_SSAM_REQUEST_EVENT(request_timeout);
 614 DEFINE_SSAM_REQUEST_EVENT(request_cancel);
 615 DEFINE_SSAM_REQUEST_STATUS_EVENT(request_complete);
 616 DEFINE_SSAM_PENDING_EVENT(rtl_timeout_reap);
 617
 618 DEFINE_SSAM_PACKET_EVENT(ei_tx_drop_ack_packet);
 619 DEFINE_SSAM_PACKET_EVENT(ei_tx_drop_nak_packet);
 620 DEFINE_SSAM_PACKET_EVENT(ei_tx_drop_dsq_packet);
 621 DEFINE_SSAM_PACKET_STATUS_EVENT(ei_tx_fail_write);
 622 DEFINE_SSAM_PACKET_EVENT(ei_tx_corrupt_data);
 623 DEFINE_SSAM_DATA_EVENT(ei_rx_corrupt_syn);
 624 DEFINE_SSAM_FRAME_EVENT(ei_rx_corrupt_data);
 625 DEFINE_SSAM_REQUEST_EVENT(ei_rx_drop_response);
 626
 627 DEFINE_SSAM_ALLOC_EVENT(ctrl_packet_alloc);
 628 DEFINE_SSAM_FREE_EVENT(ctrl_packet_free);
 629
 630 DEFINE_SSAM_ALLOC_EVENT(event_item_alloc);
 631 DEFINE_SSAM_FREE_EVENT(event_item_free);
 632
 633 #endif /* _SURFACE_AGGREGATOR_TRACE_H */
 634
 635 /* This part must be outside protection */
 636 #undef TRACE_INCLUDE_PATH
 637 #undef TRACE_INCLUDE_FILE
 638
 639 #define TRACE_INCLUDE_PATH .
 640 #define TRACE_INCLUDE_FILE trace
 641
 642 #include <trace/define_trace.h>