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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 | /* SPDX-License-Identifier: GPL-2.0 */ /* * Greybus driver and device API * * Copyright 2015 Google Inc. * Copyright 2015 Linaro Ltd. */ #undef TRACE_SYSTEM #define TRACE_SYSTEM greybus #if !defined(_TRACE_GREYBUS_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_GREYBUS_H #include <linux/tracepoint.h> struct gb_message; struct gb_operation; struct gb_connection; struct gb_bundle; struct gb_host_device; DECLARE_EVENT_CLASS(gb_message, TP_PROTO(struct gb_message *message), TP_ARGS(message), TP_STRUCT__entry( __field(u16, size) __field(u16, operation_id) __field(u8, type) __field(u8, result) ), TP_fast_assign( __entry->size = le16_to_cpu(message->header->size); __entry->operation_id = le16_to_cpu(message->header->operation_id); __entry->type = message->header->type; __entry->result = message->header->result; ), TP_printk("size=%hu operation_id=0x%04x type=0x%02x result=0x%02x", __entry->size, __entry->operation_id, __entry->type, __entry->result) ); #define DEFINE_MESSAGE_EVENT(name) \ DEFINE_EVENT(gb_message, name, \ TP_PROTO(struct gb_message *message), \ TP_ARGS(message)) /* * Occurs immediately before calling a host device's message_send() * method. */ DEFINE_MESSAGE_EVENT(gb_message_send); /* * Occurs after an incoming request message has been received */ DEFINE_MESSAGE_EVENT(gb_message_recv_request); /* * Occurs after an incoming response message has been received, * after its matching request has been found. */ DEFINE_MESSAGE_EVENT(gb_message_recv_response); /* * Occurs after an operation has been canceled, possibly before the * cancellation is complete. */ DEFINE_MESSAGE_EVENT(gb_message_cancel_outgoing); /* * Occurs when an incoming request is cancelled; if the response has * been queued for sending, this occurs after it is sent. */ DEFINE_MESSAGE_EVENT(gb_message_cancel_incoming); /* * Occurs in the host driver message_send() function just prior to * handing off the data to be processed by hardware. */ DEFINE_MESSAGE_EVENT(gb_message_submit); #undef DEFINE_MESSAGE_EVENT DECLARE_EVENT_CLASS(gb_operation, TP_PROTO(struct gb_operation *operation), TP_ARGS(operation), TP_STRUCT__entry( __field(u16, cport_id) /* CPort of HD side of connection */ __field(u16, id) /* Operation ID */ __field(u8, type) __field(unsigned long, flags) __field(int, active) __field(int, waiters) __field(int, errno) ), TP_fast_assign( __entry->cport_id = operation->connection->hd_cport_id; __entry->id = operation->id; __entry->type = operation->type; __entry->flags = operation->flags; __entry->active = operation->active; __entry->waiters = atomic_read(&operation->waiters); __entry->errno = operation->errno; ), TP_printk("id=%04x type=0x%02x cport_id=%04x flags=0x%lx active=%d waiters=%d errno=%d", __entry->id, __entry->cport_id, __entry->type, __entry->flags, __entry->active, __entry->waiters, __entry->errno) ); #define DEFINE_OPERATION_EVENT(name) \ DEFINE_EVENT(gb_operation, name, \ TP_PROTO(struct gb_operation *operation), \ TP_ARGS(operation)) /* * Occurs after a new operation is created for an outgoing request * has been successfully created. */ DEFINE_OPERATION_EVENT(gb_operation_create); /* * Occurs after a new core operation has been created. */ DEFINE_OPERATION_EVENT(gb_operation_create_core); /* * Occurs after a new operation has been created for an incoming * request has been successfully created and initialized. */ DEFINE_OPERATION_EVENT(gb_operation_create_incoming); /* * Occurs when the last reference to an operation has been dropped, * prior to freeing resources. */ DEFINE_OPERATION_EVENT(gb_operation_destroy); /* * Occurs when an operation has been marked active, after updating * its active count. */ DEFINE_OPERATION_EVENT(gb_operation_get_active); /* * Occurs when an operation has been marked active, before updating * its active count. */ DEFINE_OPERATION_EVENT(gb_operation_put_active); #undef DEFINE_OPERATION_EVENT DECLARE_EVENT_CLASS(gb_connection, TP_PROTO(struct gb_connection *connection), TP_ARGS(connection), TP_STRUCT__entry( __field(int, hd_bus_id) __field(u8, bundle_id) /* name contains "hd_cport_id/intf_id:cport_id" */ __dynamic_array(char, name, sizeof(connection->name)) __field(enum gb_connection_state, state) __field(unsigned long, flags) ), TP_fast_assign( __entry->hd_bus_id = connection->hd->bus_id; __entry->bundle_id = connection->bundle ? connection->bundle->id : BUNDLE_ID_NONE; memcpy(__get_str(name), connection->name, sizeof(connection->name)); __entry->state = connection->state; __entry->flags = connection->flags; ), TP_printk("hd_bus_id=%d bundle_id=0x%02x name=\"%s\" state=%u flags=0x%lx", __entry->hd_bus_id, __entry->bundle_id, __get_str(name), (unsigned int)__entry->state, __entry->flags) ); #define DEFINE_CONNECTION_EVENT(name) \ DEFINE_EVENT(gb_connection, name, \ TP_PROTO(struct gb_connection *connection), \ TP_ARGS(connection)) /* * Occurs after a new connection is successfully created. */ DEFINE_CONNECTION_EVENT(gb_connection_create); /* * Occurs when the last reference to a connection has been dropped, * before its resources are freed. */ DEFINE_CONNECTION_EVENT(gb_connection_release); /* * Occurs when a new reference to connection is added, currently * only when a message over the connection is received. */ DEFINE_CONNECTION_EVENT(gb_connection_get); /* * Occurs when a new reference to connection is dropped, after a * a received message is handled, or when the connection is * destroyed. */ DEFINE_CONNECTION_EVENT(gb_connection_put); /* * Occurs when a request to enable a connection is made, either for * transmit only, or for both transmit and receive. */ DEFINE_CONNECTION_EVENT(gb_connection_enable); /* * Occurs when a request to disable a connection is made, either for * receive only, or for both transmit and receive. Also occurs when * a request to forcefully disable a connection is made. */ DEFINE_CONNECTION_EVENT(gb_connection_disable); #undef DEFINE_CONNECTION_EVENT DECLARE_EVENT_CLASS(gb_bundle, TP_PROTO(struct gb_bundle *bundle), TP_ARGS(bundle), TP_STRUCT__entry( __field(u8, intf_id) __field(u8, id) __field(u8, class) __field(size_t, num_cports) ), TP_fast_assign( __entry->intf_id = bundle->intf->interface_id; __entry->id = bundle->id; __entry->class = bundle->class; __entry->num_cports = bundle->num_cports; ), TP_printk("intf_id=0x%02x id=%02x class=0x%02x num_cports=%zu", __entry->intf_id, __entry->id, __entry->class, __entry->num_cports) ); #define DEFINE_BUNDLE_EVENT(name) \ DEFINE_EVENT(gb_bundle, name, \ TP_PROTO(struct gb_bundle *bundle), \ TP_ARGS(bundle)) /* * Occurs after a new bundle is successfully created. */ DEFINE_BUNDLE_EVENT(gb_bundle_create); /* * Occurs when the last reference to a bundle has been dropped, * before its resources are freed. */ DEFINE_BUNDLE_EVENT(gb_bundle_release); /* * Occurs when a bundle is added to an interface when the interface * is enabled. */ DEFINE_BUNDLE_EVENT(gb_bundle_add); /* * Occurs when a registered bundle gets destroyed, normally at the * time an interface is disabled. */ DEFINE_BUNDLE_EVENT(gb_bundle_destroy); #undef DEFINE_BUNDLE_EVENT DECLARE_EVENT_CLASS(gb_interface, TP_PROTO(struct gb_interface *intf), TP_ARGS(intf), TP_STRUCT__entry( __field(u8, module_id) __field(u8, id) /* Interface id */ __field(u8, device_id) __field(int, disconnected) /* bool */ __field(int, ejected) /* bool */ __field(int, active) /* bool */ __field(int, enabled) /* bool */ __field(int, mode_switch) /* bool */ ), TP_fast_assign( __entry->module_id = intf->module->module_id; __entry->id = intf->interface_id; __entry->device_id = intf->device_id; __entry->disconnected = intf->disconnected; __entry->ejected = intf->ejected; __entry->active = intf->active; __entry->enabled = intf->enabled; __entry->mode_switch = intf->mode_switch; ), TP_printk("intf_id=%hhu device_id=%hhu module_id=%hhu D=%d J=%d A=%d E=%d M=%d", __entry->id, __entry->device_id, __entry->module_id, __entry->disconnected, __entry->ejected, __entry->active, __entry->enabled, __entry->mode_switch) ); #define DEFINE_INTERFACE_EVENT(name) \ DEFINE_EVENT(gb_interface, name, \ TP_PROTO(struct gb_interface *intf), \ TP_ARGS(intf)) /* * Occurs after a new interface is successfully created. */ DEFINE_INTERFACE_EVENT(gb_interface_create); /* * Occurs after the last reference to an interface has been dropped. */ DEFINE_INTERFACE_EVENT(gb_interface_release); /* * Occurs after an interface been registerd. */ DEFINE_INTERFACE_EVENT(gb_interface_add); /* * Occurs when a registered interface gets deregisterd. */ DEFINE_INTERFACE_EVENT(gb_interface_del); /* * Occurs when a registered interface has been successfully * activated. */ DEFINE_INTERFACE_EVENT(gb_interface_activate); /* * Occurs when an activated interface is being deactivated. */ DEFINE_INTERFACE_EVENT(gb_interface_deactivate); /* * Occurs when an interface has been successfully enabled. */ DEFINE_INTERFACE_EVENT(gb_interface_enable); /* * Occurs when an enabled interface is being disabled. */ DEFINE_INTERFACE_EVENT(gb_interface_disable); #undef DEFINE_INTERFACE_EVENT DECLARE_EVENT_CLASS(gb_module, TP_PROTO(struct gb_module *module), TP_ARGS(module), TP_STRUCT__entry( __field(int, hd_bus_id) __field(u8, module_id) __field(size_t, num_interfaces) __field(int, disconnected) /* bool */ ), TP_fast_assign( __entry->hd_bus_id = module->hd->bus_id; __entry->module_id = module->module_id; __entry->num_interfaces = module->num_interfaces; __entry->disconnected = module->disconnected; ), TP_printk("hd_bus_id=%d module_id=%hhu num_interfaces=%zu disconnected=%d", __entry->hd_bus_id, __entry->module_id, __entry->num_interfaces, __entry->disconnected) ); #define DEFINE_MODULE_EVENT(name) \ DEFINE_EVENT(gb_module, name, \ TP_PROTO(struct gb_module *module), \ TP_ARGS(module)) /* * Occurs after a new module is successfully created, before * creating any of its interfaces. */ DEFINE_MODULE_EVENT(gb_module_create); /* * Occurs after the last reference to a module has been dropped. */ DEFINE_MODULE_EVENT(gb_module_release); /* * Occurs after a module is successfully created, before registering * any of its interfaces. */ DEFINE_MODULE_EVENT(gb_module_add); /* * Occurs when a module is deleted, before deregistering its * interfaces. */ DEFINE_MODULE_EVENT(gb_module_del); #undef DEFINE_MODULE_EVENT DECLARE_EVENT_CLASS(gb_host_device, TP_PROTO(struct gb_host_device *hd), TP_ARGS(hd), TP_STRUCT__entry( __field(int, bus_id) __field(size_t, num_cports) __field(size_t, buffer_size_max) ), TP_fast_assign( __entry->bus_id = hd->bus_id; __entry->num_cports = hd->num_cports; __entry->buffer_size_max = hd->buffer_size_max; ), TP_printk("bus_id=%d num_cports=%zu mtu=%zu", __entry->bus_id, __entry->num_cports, __entry->buffer_size_max) ); #define DEFINE_HD_EVENT(name) \ DEFINE_EVENT(gb_host_device, name, \ TP_PROTO(struct gb_host_device *hd), \ TP_ARGS(hd)) /* * Occurs after a new host device is successfully created, before * its SVC has been set up. */ DEFINE_HD_EVENT(gb_hd_create); /* * Occurs after the last reference to a host device has been * dropped. */ DEFINE_HD_EVENT(gb_hd_release); /* * Occurs after a new host device has been added, after the * connection to its SVC has been enabled. */ DEFINE_HD_EVENT(gb_hd_add); /* * Occurs when a host device is being disconnected from the AP USB * host controller. */ DEFINE_HD_EVENT(gb_hd_del); /* * Occurs when a host device has passed received data to the Greybus * core, after it has been determined it is destined for a valid * CPort. */ DEFINE_HD_EVENT(gb_hd_in); #undef DEFINE_HD_EVENT #endif /* _TRACE_GREYBUS_H */ /* This part must be outside protection */ #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . /* * TRACE_INCLUDE_FILE is not needed if the filename and TRACE_SYSTEM are equal */ #undef TRACE_INCLUDE_FILE #define TRACE_INCLUDE_FILE greybus_trace #include <trace/define_trace.h> |