1 /* 2 * Copyright (c) 2015-2019 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for 5 * any purpose with or without fee is hereby granted, provided that the 6 * above copyright notice and this permission notice appear in all 7 * copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 /* 20 * Host WMI unified implementation 21 */ 22 #include "htc_api.h" 23 #include "htc_api.h" 24 #include "wmi_unified_priv.h" 25 #include "wmi_unified_api.h" 26 #include "qdf_module.h" 27 #ifdef WMI_EXT_DBG 28 #include "qdf_list.h" 29 #endif 30 31 #ifndef WMI_NON_TLV_SUPPORT 32 #include "wmi_tlv_helper.h" 33 #endif 34 35 #include <linux/debugfs.h> 36 37 #ifdef WMI_EXT_DBG 38 39 /** 40 * wmi_ext_dbg_msg_enqueue() - enqueue wmi message 41 * 42 * @wmi_handle: wmi handler 43 * 44 * Return: size of wmi message queue after enqueue 45 */ 46 static uint32_t wmi_ext_dbg_msg_enqueue(struct wmi_unified *wmi_handle, 47 struct wmi_ext_dbg_msg *msg) 48 { 49 uint32_t list_size; 50 51 qdf_spinlock_acquire(&wmi_handle->wmi_ext_dbg_msg_queue_lock); 52 qdf_list_insert_back_size(&wmi_handle->wmi_ext_dbg_msg_queue, 53 &msg->node, &list_size); 54 qdf_spinlock_release(&wmi_handle->wmi_ext_dbg_msg_queue_lock); 55 56 return list_size; 57 } 58 59 /** 60 * wmi_ext_dbg_msg_dequeue() - dequeue wmi message 61 * 62 * @wmi_handle: wmi handler 63 * 64 * Return: wmi msg on success else NULL 65 */ 66 static struct wmi_ext_dbg_msg *wmi_ext_dbg_msg_dequeue(struct wmi_unified 67 *wmi_handle) 68 { 69 qdf_list_node_t *list_node = NULL; 70 71 qdf_spinlock_acquire(&wmi_handle->wmi_ext_dbg_msg_queue_lock); 72 qdf_list_remove_front(&wmi_handle->wmi_ext_dbg_msg_queue, &list_node); 73 qdf_spinlock_release(&wmi_handle->wmi_ext_dbg_msg_queue_lock); 74 75 if (!list_node) 76 return NULL; 77 78 return qdf_container_of(list_node, struct wmi_ext_dbg_msg, node); 79 } 80 81 /** 82 * wmi_ext_dbg_msg_record() - record wmi messages 83 * 84 * @wmi_handle: wmi handler 85 * @buf: wmi message buffer 86 * @len: wmi message length 87 * @type: wmi message type 88 * 89 * Return: QDF_STATUS_SUCCESS on successful recording else failure. 90 */ 91 static QDF_STATUS wmi_ext_dbg_msg_record(struct wmi_unified *wmi_handle, 92 uint8_t *buf, uint32_t len, 93 enum WMI_MSG_TYPE type) 94 { 95 struct wmi_ext_dbg_msg *msg; 96 uint32_t list_size; 97 98 msg = wmi_ext_dbg_msg_get(len); 99 if (!msg) 100 return QDF_STATUS_E_NOMEM; 101 102 msg->len = len; 103 msg->type = type; 104 qdf_mem_copy(msg->buf, buf, len); 105 msg->ts = qdf_get_log_timestamp(); 106 list_size = wmi_ext_dbg_msg_enqueue(wmi_handle, msg); 107 108 if (list_size >= wmi_handle->wmi_ext_dbg_msg_queue_size) { 109 msg = wmi_ext_dbg_msg_dequeue(wmi_handle); 110 wmi_ext_dbg_msg_put(msg); 111 } 112 113 return QDF_STATUS_SUCCESS; 114 } 115 116 /** 117 * wmi_ext_dbg_msg_cmd_record() - record wmi command messages 118 * 119 * @wmi_handle: wmi handler 120 * @buf: wmi command buffer 121 * @len: wmi command message length 122 * 123 * Return: QDF_STATUS_SUCCESS on successful recording else failure. 124 */ 125 static QDF_STATUS wmi_ext_dbg_msg_cmd_record(struct wmi_unified *wmi_handle, 126 uint8_t *buf, uint32_t len) 127 { 128 return wmi_ext_dbg_msg_record(wmi_handle, buf, len, 129 WMI_MSG_TYPE_CMD); 130 } 131 132 /** 133 * wmi_ext_dbg_msg_event_record() - record wmi event messages 134 * 135 * @wmi_handle: wmi handler 136 * @buf: wmi event buffer 137 * @len: wmi event message length 138 * 139 * Return: QDF_STATUS_SUCCESS on successful recording else failure. 140 */ 141 static QDF_STATUS wmi_ext_dbg_msg_event_record(struct wmi_unified *wmi_handle, 142 uint8_t *buf, uint32_t len) 143 { 144 uint32_t id; 145 146 id = WMI_GET_FIELD(buf, WMI_CMD_HDR, COMMANDID); 147 if (id != wmi_handle->wmi_events[wmi_diag_event_id]) 148 return wmi_ext_dbg_msg_record(wmi_handle, buf, len, 149 WMI_MSG_TYPE_EVENT); 150 151 return QDF_STATUS_SUCCESS; 152 } 153 154 /** 155 * wmi_ext_dbg_msg_queue_init() - create debugfs queue and associated lock 156 * 157 * @wmi_handle: wmi handler 158 * 159 * Return: none 160 */ 161 static void wmi_ext_dbg_msg_queue_init(struct wmi_unified *wmi_handle) 162 { 163 qdf_list_create(&wmi_handle->wmi_ext_dbg_msg_queue, 164 wmi_handle->wmi_ext_dbg_msg_queue_size); 165 qdf_spinlock_create(&wmi_handle->wmi_ext_dbg_msg_queue_lock); 166 } 167 168 /** 169 * wmi_ext_dbg_msg_queue_deinit() - destroy debugfs queue and associated lock 170 * 171 * @wmi_handle: wmi handler 172 * 173 * Return: none 174 */ 175 static void wmi_ext_dbg_msg_queue_deinit(struct wmi_unified *wmi_handle) 176 { 177 qdf_list_destroy(&wmi_handle->wmi_ext_dbg_msg_queue); 178 qdf_spinlock_destroy(&wmi_handle->wmi_ext_dbg_msg_queue_lock); 179 } 180 181 /** 182 * wmi_ext_dbg_msg_show() - debugfs function to display whole content of 183 * wmi command/event messages including headers. 184 * 185 * @file: qdf debugfs file handler 186 * @arg: pointer to wmi handler 187 * 188 * Return: QDF_STATUS_SUCCESS if all the messages are shown successfully, 189 * else QDF_STATUS_E_AGAIN if more data to show. 190 */ 191 static QDF_STATUS wmi_ext_dbg_msg_show(qdf_debugfs_file_t file, void *arg) 192 { 193 struct wmi_unified *wmi_handle = (struct wmi_unified *)arg; 194 struct wmi_ext_dbg_msg *msg; 195 uint64_t secs, usecs; 196 197 msg = wmi_ext_dbg_msg_dequeue(wmi_handle); 198 if (!msg) 199 return QDF_STATUS_SUCCESS; 200 201 qdf_debugfs_printf(file, "%s: 0x%x\n", 202 msg->type == WMI_MSG_TYPE_CMD ? "COMMAND" : 203 "EVENT", WMI_GET_FIELD(msg->buf, WMI_CMD_HDR, 204 COMMANDID)); 205 qdf_log_timestamp_to_secs(msg->ts, &secs, &usecs); 206 qdf_debugfs_printf(file, "Time: %llu.%llu\n", secs, usecs); 207 qdf_debugfs_printf(file, "Length:%d\n", msg->len); 208 qdf_debugfs_hexdump(file, msg->buf, msg->len, 209 WMI_EXT_DBG_DUMP_ROW_SIZE, 210 WMI_EXT_DBG_DUMP_GROUP_SIZE); 211 qdf_debugfs_printf(file, "\n"); 212 213 if (qdf_debugfs_overflow(file)) { 214 qdf_spinlock_acquire(&wmi_handle->wmi_ext_dbg_msg_queue_lock); 215 qdf_list_insert_front(&wmi_handle->wmi_ext_dbg_msg_queue, 216 &msg->node); 217 qdf_spinlock_release(&wmi_handle->wmi_ext_dbg_msg_queue_lock); 218 219 } else { 220 wmi_ext_dbg_msg_put(msg); 221 } 222 223 return QDF_STATUS_E_AGAIN; 224 } 225 226 /** 227 * wmi_ext_dbg_msg_write() - debugfs write not supported 228 * 229 * @priv: private data 230 * @buf: received data buffer 231 * @len: length of received buffer 232 * 233 * Return: QDF_STATUS_E_NOSUPPORT. 234 */ 235 static QDF_STATUS wmi_ext_dbg_msg_write(void *priv, const char *buf, 236 qdf_size_t len) 237 { 238 return QDF_STATUS_E_NOSUPPORT; 239 } 240 241 static struct qdf_debugfs_fops wmi_ext_dbgfs_ops = { 242 .show = wmi_ext_dbg_msg_show, 243 .write = wmi_ext_dbg_msg_write, 244 .priv = NULL, 245 }; 246 247 /** 248 * wmi_ext_debugfs_init() - init debugfs items for extended wmi dump. 249 * 250 * @wmi_handle: wmi handler 251 * 252 * Return: QDF_STATUS_SUCCESS if debugfs is initialized else 253 * QDF_STATUS_E_FAILURE 254 */ 255 static QDF_STATUS wmi_ext_dbgfs_init(struct wmi_unified *wmi_handle) 256 { 257 qdf_dentry_t dentry; 258 259 dentry = qdf_debugfs_create_dir(WMI_EXT_DBG_DIR, NULL); 260 if (!dentry) { 261 WMI_LOGE("error while creating extended wmi debugfs dir"); 262 return QDF_STATUS_E_FAILURE; 263 } 264 265 wmi_ext_dbgfs_ops.priv = wmi_handle; 266 if (!qdf_debugfs_create_file(WMI_EXT_DBG_FILE, WMI_EXT_DBG_FILE_PERM, 267 dentry, &wmi_ext_dbgfs_ops)) { 268 qdf_debugfs_remove_dir(dentry); 269 WMI_LOGE("error while creating extended wmi debugfs file"); 270 return QDF_STATUS_E_FAILURE; 271 } 272 273 wmi_handle->wmi_ext_dbg_dentry = dentry; 274 wmi_handle->wmi_ext_dbg_msg_queue_size = WMI_EXT_DBG_QUEUE_SIZE; 275 wmi_ext_dbg_msg_queue_init(wmi_handle); 276 277 return QDF_STATUS_SUCCESS; 278 } 279 280 /** 281 * wmi_ext_debugfs_deinit() - cleanup/deinit debugfs items of extended wmi dump. 282 * 283 * @wmi_handle: wmi handler 284 * 285 * Return: QDF_STATUS_SUCCESS if cleanup is successful 286 */ 287 static QDF_STATUS wmi_ext_dbgfs_deinit(struct wmi_unified *wmi_handle) 288 { 289 struct wmi_ext_dbg_msg *msg; 290 291 while ((msg = wmi_ext_dbg_msg_dequeue(wmi_handle))) 292 wmi_ext_dbg_msg_put(msg); 293 294 wmi_ext_dbg_msg_queue_deinit(wmi_handle); 295 qdf_debugfs_remove_dir_recursive(wmi_handle->wmi_ext_dbg_dentry); 296 297 return QDF_STATUS_SUCCESS; 298 } 299 300 #endif /*WMI_EXT_DBG */ 301 302 /* This check for CONFIG_WIN temporary added due to redeclaration compilation 303 error in MCL. Error is caused due to inclusion of wmi.h in wmi_unified_api.h 304 which gets included here through ol_if_athvar.h. Eventually it is expected that 305 wmi.h will be removed from wmi_unified_api.h after cleanup, which will need 306 WMI_CMD_HDR to be defined here. */ 307 #ifdef CONFIG_WIN 308 /* Copied from wmi.h */ 309 #undef MS 310 #define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB) 311 #undef SM 312 #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK) 313 #undef WO 314 #define WO(_f) ((_f##_OFFSET) >> 2) 315 316 #undef GET_FIELD 317 #define GET_FIELD(_addr, _f) MS(*((uint32_t *)(_addr) + WO(_f)), _f) 318 #undef SET_FIELD 319 #define SET_FIELD(_addr, _f, _val) \ 320 (*((uint32_t *)(_addr) + WO(_f)) = \ 321 (*((uint32_t *)(_addr) + WO(_f)) & ~_f##_MASK) | SM(_val, _f)) 322 323 #define WMI_GET_FIELD(_msg_buf, _msg_type, _f) \ 324 GET_FIELD(_msg_buf, _msg_type ## _ ## _f) 325 326 #define WMI_SET_FIELD(_msg_buf, _msg_type, _f, _val) \ 327 SET_FIELD(_msg_buf, _msg_type ## _ ## _f, _val) 328 329 #define WMI_EP_APASS 0x0 330 #define WMI_EP_LPASS 0x1 331 #define WMI_EP_SENSOR 0x2 332 333 /* 334 * * Control Path 335 * */ 336 typedef PREPACK struct { 337 uint32_t commandId:24, 338 reserved:2, /* used for WMI endpoint ID */ 339 plt_priv:6; /* platform private */ 340 } POSTPACK WMI_CMD_HDR; /* used for commands and events */ 341 342 #define WMI_CMD_HDR_COMMANDID_LSB 0 343 #define WMI_CMD_HDR_COMMANDID_MASK 0x00ffffff 344 #define WMI_CMD_HDR_COMMANDID_OFFSET 0x00000000 345 #define WMI_CMD_HDR_WMI_ENDPOINTID_MASK 0x03000000 346 #define WMI_CMD_HDR_WMI_ENDPOINTID_OFFSET 24 347 #define WMI_CMD_HDR_PLT_PRIV_LSB 24 348 #define WMI_CMD_HDR_PLT_PRIV_MASK 0xff000000 349 #define WMI_CMD_HDR_PLT_PRIV_OFFSET 0x00000000 350 /* end of copy wmi.h */ 351 #endif /* CONFIG_WIN */ 352 353 #define WMI_MIN_HEAD_ROOM 64 354 355 /* WBUFF pool sizes for WMI */ 356 /* Allocation of size 256 bytes */ 357 #define WMI_WBUFF_POOL_0_SIZE 128 358 /* Allocation of size 512 bytes */ 359 #define WMI_WBUFF_POOL_1_SIZE 16 360 /* Allocation of size 1024 bytes */ 361 #define WMI_WBUFF_POOL_2_SIZE 8 362 /* Allocation of size 2048 bytes */ 363 #define WMI_WBUFF_POOL_3_SIZE 8 364 365 #ifdef WMI_INTERFACE_EVENT_LOGGING 366 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 3, 0)) 367 /* TODO Cleanup this backported function */ 368 static int wmi_bp_seq_printf(struct seq_file *m, const char *f, ...) 369 { 370 va_list args; 371 372 va_start(args, f); 373 seq_vprintf(m, f, args); 374 va_end(args); 375 376 return 0; 377 } 378 #else 379 #define wmi_bp_seq_printf(m, fmt, ...) seq_printf((m), fmt, ##__VA_ARGS__) 380 #endif 381 382 #ifndef MAX_WMI_INSTANCES 383 #define CUSTOM_MGMT_CMD_DATA_SIZE 4 384 #endif 385 386 #ifdef CONFIG_MCL 387 /* WMI commands */ 388 uint32_t g_wmi_command_buf_idx = 0; 389 struct wmi_command_debug wmi_command_log_buffer[WMI_EVENT_DEBUG_MAX_ENTRY]; 390 391 /* WMI commands TX completed */ 392 uint32_t g_wmi_command_tx_cmp_buf_idx = 0; 393 struct wmi_command_debug 394 wmi_command_tx_cmp_log_buffer[WMI_EVENT_DEBUG_MAX_ENTRY]; 395 396 /* WMI events when processed */ 397 uint32_t g_wmi_event_buf_idx = 0; 398 struct wmi_event_debug wmi_event_log_buffer[WMI_EVENT_DEBUG_MAX_ENTRY]; 399 400 /* WMI events when queued */ 401 uint32_t g_wmi_rx_event_buf_idx = 0; 402 struct wmi_event_debug wmi_rx_event_log_buffer[WMI_EVENT_DEBUG_MAX_ENTRY]; 403 #endif 404 405 #define WMI_COMMAND_RECORD(h, a, b) { \ 406 if (wmi_log_max_entry <= \ 407 *(h->log_info.wmi_command_log_buf_info.p_buf_tail_idx)) \ 408 *(h->log_info.wmi_command_log_buf_info.p_buf_tail_idx) = 0;\ 409 ((struct wmi_command_debug *)h->log_info.wmi_command_log_buf_info.buf)\ 410 [*(h->log_info.wmi_command_log_buf_info.p_buf_tail_idx)]\ 411 .command = a; \ 412 qdf_mem_copy(((struct wmi_command_debug *)h->log_info. \ 413 wmi_command_log_buf_info.buf) \ 414 [*(h->log_info.wmi_command_log_buf_info.p_buf_tail_idx)].data,\ 415 b, wmi_record_max_length); \ 416 ((struct wmi_command_debug *)h->log_info.wmi_command_log_buf_info.buf)\ 417 [*(h->log_info.wmi_command_log_buf_info.p_buf_tail_idx)].\ 418 time = qdf_get_log_timestamp(); \ 419 (*(h->log_info.wmi_command_log_buf_info.p_buf_tail_idx))++; \ 420 h->log_info.wmi_command_log_buf_info.length++; \ 421 } 422 423 #define WMI_COMMAND_TX_CMP_RECORD(h, a, b) { \ 424 if (wmi_log_max_entry <= \ 425 *(h->log_info.wmi_command_tx_cmp_log_buf_info.p_buf_tail_idx))\ 426 *(h->log_info.wmi_command_tx_cmp_log_buf_info. \ 427 p_buf_tail_idx) = 0; \ 428 ((struct wmi_command_debug *)h->log_info. \ 429 wmi_command_tx_cmp_log_buf_info.buf) \ 430 [*(h->log_info.wmi_command_tx_cmp_log_buf_info. \ 431 p_buf_tail_idx)]. \ 432 command = a; \ 433 qdf_mem_copy(((struct wmi_command_debug *)h->log_info. \ 434 wmi_command_tx_cmp_log_buf_info.buf) \ 435 [*(h->log_info.wmi_command_tx_cmp_log_buf_info. \ 436 p_buf_tail_idx)]. \ 437 data, b, wmi_record_max_length); \ 438 ((struct wmi_command_debug *)h->log_info. \ 439 wmi_command_tx_cmp_log_buf_info.buf) \ 440 [*(h->log_info.wmi_command_tx_cmp_log_buf_info. \ 441 p_buf_tail_idx)]. \ 442 time = qdf_get_log_timestamp(); \ 443 (*(h->log_info.wmi_command_tx_cmp_log_buf_info.p_buf_tail_idx))++;\ 444 h->log_info.wmi_command_tx_cmp_log_buf_info.length++; \ 445 } 446 447 #define WMI_EVENT_RECORD(h, a, b) { \ 448 if (wmi_log_max_entry <= \ 449 *(h->log_info.wmi_event_log_buf_info.p_buf_tail_idx)) \ 450 *(h->log_info.wmi_event_log_buf_info.p_buf_tail_idx) = 0;\ 451 ((struct wmi_event_debug *)h->log_info.wmi_event_log_buf_info.buf)\ 452 [*(h->log_info.wmi_event_log_buf_info.p_buf_tail_idx)]. \ 453 event = a; \ 454 qdf_mem_copy(((struct wmi_event_debug *)h->log_info. \ 455 wmi_event_log_buf_info.buf) \ 456 [*(h->log_info.wmi_event_log_buf_info.p_buf_tail_idx)].data, b,\ 457 wmi_record_max_length); \ 458 ((struct wmi_event_debug *)h->log_info.wmi_event_log_buf_info.buf)\ 459 [*(h->log_info.wmi_event_log_buf_info.p_buf_tail_idx)].time =\ 460 qdf_get_log_timestamp(); \ 461 (*(h->log_info.wmi_event_log_buf_info.p_buf_tail_idx))++; \ 462 h->log_info.wmi_event_log_buf_info.length++; \ 463 } 464 465 #define WMI_RX_EVENT_RECORD(h, a, b) { \ 466 if (wmi_log_max_entry <= \ 467 *(h->log_info.wmi_rx_event_log_buf_info.p_buf_tail_idx))\ 468 *(h->log_info.wmi_rx_event_log_buf_info.p_buf_tail_idx) = 0;\ 469 ((struct wmi_event_debug *)h->log_info.wmi_rx_event_log_buf_info.buf)\ 470 [*(h->log_info.wmi_rx_event_log_buf_info.p_buf_tail_idx)].\ 471 event = a; \ 472 qdf_mem_copy(((struct wmi_event_debug *)h->log_info. \ 473 wmi_rx_event_log_buf_info.buf) \ 474 [*(h->log_info.wmi_rx_event_log_buf_info.p_buf_tail_idx)].\ 475 data, b, wmi_record_max_length); \ 476 ((struct wmi_event_debug *)h->log_info.wmi_rx_event_log_buf_info.buf)\ 477 [*(h->log_info.wmi_rx_event_log_buf_info.p_buf_tail_idx)].\ 478 time = qdf_get_log_timestamp(); \ 479 (*(h->log_info.wmi_rx_event_log_buf_info.p_buf_tail_idx))++; \ 480 h->log_info.wmi_rx_event_log_buf_info.length++; \ 481 } 482 483 #ifdef CONFIG_MCL 484 uint32_t g_wmi_mgmt_command_buf_idx = 0; 485 struct 486 wmi_command_debug wmi_mgmt_command_log_buffer[WMI_MGMT_EVENT_DEBUG_MAX_ENTRY]; 487 488 /* wmi_mgmt commands TX completed */ 489 uint32_t g_wmi_mgmt_command_tx_cmp_buf_idx = 0; 490 struct wmi_command_debug 491 wmi_mgmt_command_tx_cmp_log_buffer[WMI_MGMT_EVENT_DEBUG_MAX_ENTRY]; 492 493 /* wmi_mgmt events when received */ 494 uint32_t g_wmi_mgmt_rx_event_buf_idx = 0; 495 struct wmi_event_debug 496 wmi_mgmt_rx_event_log_buffer[WMI_MGMT_EVENT_DEBUG_MAX_ENTRY]; 497 498 /* wmi_diag events when received */ 499 uint32_t g_wmi_diag_rx_event_buf_idx = 0; 500 struct wmi_event_debug 501 wmi_diag_rx_event_log_buffer[WMI_DIAG_RX_EVENT_DEBUG_MAX_ENTRY]; 502 #endif 503 504 #define WMI_MGMT_COMMAND_RECORD(h, a, b) { \ 505 if (wmi_mgmt_log_max_entry <= \ 506 *(h->log_info.wmi_mgmt_command_log_buf_info.p_buf_tail_idx)) \ 507 *(h->log_info.wmi_mgmt_command_log_buf_info. \ 508 p_buf_tail_idx) = 0; \ 509 ((struct wmi_command_debug *)h->log_info. \ 510 wmi_mgmt_command_log_buf_info.buf) \ 511 [*(h->log_info.wmi_mgmt_command_log_buf_info.p_buf_tail_idx)].\ 512 command = a; \ 513 qdf_mem_copy(((struct wmi_command_debug *)h->log_info. \ 514 wmi_mgmt_command_log_buf_info.buf) \ 515 [*(h->log_info.wmi_mgmt_command_log_buf_info.p_buf_tail_idx)].\ 516 data, b, \ 517 wmi_record_max_length); \ 518 ((struct wmi_command_debug *)h->log_info. \ 519 wmi_mgmt_command_log_buf_info.buf) \ 520 [*(h->log_info.wmi_mgmt_command_log_buf_info.p_buf_tail_idx)].\ 521 time = qdf_get_log_timestamp(); \ 522 (*(h->log_info.wmi_mgmt_command_log_buf_info.p_buf_tail_idx))++;\ 523 h->log_info.wmi_mgmt_command_log_buf_info.length++; \ 524 } 525 526 #define WMI_MGMT_COMMAND_TX_CMP_RECORD(h, a, b) { \ 527 if (wmi_mgmt_log_max_entry <= \ 528 *(h->log_info.wmi_mgmt_command_tx_cmp_log_buf_info. \ 529 p_buf_tail_idx)) \ 530 *(h->log_info.wmi_mgmt_command_tx_cmp_log_buf_info. \ 531 p_buf_tail_idx) = 0; \ 532 ((struct wmi_command_debug *)h->log_info. \ 533 wmi_mgmt_command_tx_cmp_log_buf_info.buf) \ 534 [*(h->log_info.wmi_mgmt_command_tx_cmp_log_buf_info. \ 535 p_buf_tail_idx)].command = a; \ 536 qdf_mem_copy(((struct wmi_command_debug *)h->log_info. \ 537 wmi_mgmt_command_tx_cmp_log_buf_info.buf)\ 538 [*(h->log_info.wmi_mgmt_command_tx_cmp_log_buf_info. \ 539 p_buf_tail_idx)].data, b, \ 540 wmi_record_max_length); \ 541 ((struct wmi_command_debug *)h->log_info. \ 542 wmi_mgmt_command_tx_cmp_log_buf_info.buf) \ 543 [*(h->log_info.wmi_mgmt_command_tx_cmp_log_buf_info. \ 544 p_buf_tail_idx)].time = \ 545 qdf_get_log_timestamp(); \ 546 (*(h->log_info.wmi_mgmt_command_tx_cmp_log_buf_info. \ 547 p_buf_tail_idx))++; \ 548 h->log_info.wmi_mgmt_command_tx_cmp_log_buf_info.length++; \ 549 } 550 551 #define WMI_MGMT_RX_EVENT_RECORD(h, a, b) do { \ 552 if (wmi_mgmt_log_max_entry <= \ 553 *(h->log_info.wmi_mgmt_event_log_buf_info.p_buf_tail_idx))\ 554 *(h->log_info.wmi_mgmt_event_log_buf_info.p_buf_tail_idx) = 0;\ 555 ((struct wmi_event_debug *)h->log_info.wmi_mgmt_event_log_buf_info.buf)\ 556 [*(h->log_info.wmi_mgmt_event_log_buf_info.p_buf_tail_idx)]\ 557 .event = a; \ 558 qdf_mem_copy(((struct wmi_event_debug *)h->log_info. \ 559 wmi_mgmt_event_log_buf_info.buf) \ 560 [*(h->log_info.wmi_mgmt_event_log_buf_info.p_buf_tail_idx)].\ 561 data, b, wmi_record_max_length); \ 562 ((struct wmi_event_debug *)h->log_info.wmi_mgmt_event_log_buf_info.buf)\ 563 [*(h->log_info.wmi_mgmt_event_log_buf_info.p_buf_tail_idx)].\ 564 time = qdf_get_log_timestamp(); \ 565 (*(h->log_info.wmi_mgmt_event_log_buf_info.p_buf_tail_idx))++; \ 566 h->log_info.wmi_mgmt_event_log_buf_info.length++; \ 567 } while (0); 568 569 #define WMI_DIAG_RX_EVENT_RECORD(h, a, b) do { \ 570 if (wmi_mgmt_log_max_entry <= \ 571 *(h->log_info.wmi_diag_event_log_buf_info.p_buf_tail_idx))\ 572 *(h->log_info.wmi_diag_event_log_buf_info.p_buf_tail_idx) = 0;\ 573 ((struct wmi_event_debug *)h->log_info.wmi_diag_event_log_buf_info.buf)\ 574 [*(h->log_info.wmi_diag_event_log_buf_info.p_buf_tail_idx)]\ 575 .event = a; \ 576 qdf_mem_copy(((struct wmi_event_debug *)h->log_info. \ 577 wmi_diag_event_log_buf_info.buf) \ 578 [*(h->log_info.wmi_diag_event_log_buf_info.p_buf_tail_idx)].\ 579 data, b, wmi_record_max_length); \ 580 ((struct wmi_event_debug *)h->log_info.wmi_diag_event_log_buf_info.buf)\ 581 [*(h->log_info.wmi_diag_event_log_buf_info.p_buf_tail_idx)].\ 582 time = qdf_get_log_timestamp(); \ 583 (*(h->log_info.wmi_diag_event_log_buf_info.p_buf_tail_idx))++; \ 584 h->log_info.wmi_diag_event_log_buf_info.length++; \ 585 } while (0); 586 587 /* These are defined to made it as module param, which can be configured */ 588 uint32_t wmi_log_max_entry = WMI_EVENT_DEBUG_MAX_ENTRY; 589 uint32_t wmi_mgmt_log_max_entry = WMI_MGMT_EVENT_DEBUG_MAX_ENTRY; 590 uint32_t wmi_diag_log_max_entry = WMI_DIAG_RX_EVENT_DEBUG_MAX_ENTRY; 591 uint32_t wmi_record_max_length = WMI_EVENT_DEBUG_ENTRY_MAX_LENGTH; 592 uint32_t wmi_display_size = 100; 593 594 /** 595 * wmi_log_init() - Initialize WMI event logging 596 * @wmi_handle: WMI handle. 597 * 598 * Return: Initialization status 599 */ 600 #ifdef CONFIG_MCL 601 static QDF_STATUS wmi_log_init(struct wmi_unified *wmi_handle) 602 { 603 struct wmi_log_buf_t *cmd_log_buf = 604 &wmi_handle->log_info.wmi_command_log_buf_info; 605 struct wmi_log_buf_t *cmd_tx_cmpl_log_buf = 606 &wmi_handle->log_info.wmi_command_tx_cmp_log_buf_info; 607 608 struct wmi_log_buf_t *event_log_buf = 609 &wmi_handle->log_info.wmi_event_log_buf_info; 610 struct wmi_log_buf_t *rx_event_log_buf = 611 &wmi_handle->log_info.wmi_rx_event_log_buf_info; 612 613 struct wmi_log_buf_t *mgmt_cmd_log_buf = 614 &wmi_handle->log_info.wmi_mgmt_command_log_buf_info; 615 struct wmi_log_buf_t *mgmt_cmd_tx_cmp_log_buf = 616 &wmi_handle->log_info.wmi_mgmt_command_tx_cmp_log_buf_info; 617 struct wmi_log_buf_t *mgmt_event_log_buf = 618 &wmi_handle->log_info.wmi_mgmt_event_log_buf_info; 619 struct wmi_log_buf_t *diag_event_log_buf = 620 &wmi_handle->log_info.wmi_diag_event_log_buf_info; 621 622 /* WMI commands */ 623 cmd_log_buf->length = 0; 624 cmd_log_buf->buf_tail_idx = 0; 625 cmd_log_buf->buf = wmi_command_log_buffer; 626 cmd_log_buf->p_buf_tail_idx = &g_wmi_command_buf_idx; 627 cmd_log_buf->size = WMI_EVENT_DEBUG_MAX_ENTRY; 628 629 /* WMI commands TX completed */ 630 cmd_tx_cmpl_log_buf->length = 0; 631 cmd_tx_cmpl_log_buf->buf_tail_idx = 0; 632 cmd_tx_cmpl_log_buf->buf = wmi_command_tx_cmp_log_buffer; 633 cmd_tx_cmpl_log_buf->p_buf_tail_idx = &g_wmi_command_tx_cmp_buf_idx; 634 cmd_tx_cmpl_log_buf->size = WMI_EVENT_DEBUG_MAX_ENTRY; 635 636 /* WMI events when processed */ 637 event_log_buf->length = 0; 638 event_log_buf->buf_tail_idx = 0; 639 event_log_buf->buf = wmi_event_log_buffer; 640 event_log_buf->p_buf_tail_idx = &g_wmi_event_buf_idx; 641 event_log_buf->size = WMI_EVENT_DEBUG_MAX_ENTRY; 642 643 /* WMI events when queued */ 644 rx_event_log_buf->length = 0; 645 rx_event_log_buf->buf_tail_idx = 0; 646 rx_event_log_buf->buf = wmi_rx_event_log_buffer; 647 rx_event_log_buf->p_buf_tail_idx = &g_wmi_rx_event_buf_idx; 648 rx_event_log_buf->size = WMI_EVENT_DEBUG_MAX_ENTRY; 649 650 /* WMI Management commands */ 651 mgmt_cmd_log_buf->length = 0; 652 mgmt_cmd_log_buf->buf_tail_idx = 0; 653 mgmt_cmd_log_buf->buf = wmi_mgmt_command_log_buffer; 654 mgmt_cmd_log_buf->p_buf_tail_idx = &g_wmi_mgmt_command_buf_idx; 655 mgmt_cmd_log_buf->size = WMI_MGMT_EVENT_DEBUG_MAX_ENTRY; 656 657 /* WMI Management commands Tx completed*/ 658 mgmt_cmd_tx_cmp_log_buf->length = 0; 659 mgmt_cmd_tx_cmp_log_buf->buf_tail_idx = 0; 660 mgmt_cmd_tx_cmp_log_buf->buf = wmi_mgmt_command_tx_cmp_log_buffer; 661 mgmt_cmd_tx_cmp_log_buf->p_buf_tail_idx = 662 &g_wmi_mgmt_command_tx_cmp_buf_idx; 663 mgmt_cmd_tx_cmp_log_buf->size = WMI_MGMT_EVENT_DEBUG_MAX_ENTRY; 664 665 /* WMI Management events when received */ 666 mgmt_event_log_buf->length = 0; 667 mgmt_event_log_buf->buf_tail_idx = 0; 668 mgmt_event_log_buf->buf = wmi_mgmt_rx_event_log_buffer; 669 mgmt_event_log_buf->p_buf_tail_idx = &g_wmi_mgmt_rx_event_buf_idx; 670 mgmt_event_log_buf->size = WMI_MGMT_EVENT_DEBUG_MAX_ENTRY; 671 672 /* WMI diag events when received */ 673 diag_event_log_buf->length = 0; 674 diag_event_log_buf->buf_tail_idx = 0; 675 diag_event_log_buf->buf = wmi_diag_rx_event_log_buffer; 676 diag_event_log_buf->p_buf_tail_idx = &g_wmi_diag_rx_event_buf_idx; 677 diag_event_log_buf->size = WMI_DIAG_RX_EVENT_DEBUG_MAX_ENTRY; 678 679 qdf_spinlock_create(&wmi_handle->log_info.wmi_record_lock); 680 wmi_handle->log_info.wmi_logging_enable = 1; 681 682 return QDF_STATUS_SUCCESS; 683 } 684 #else 685 static QDF_STATUS wmi_log_init(struct wmi_unified *wmi_handle) 686 { 687 struct wmi_log_buf_t *cmd_log_buf = 688 &wmi_handle->log_info.wmi_command_log_buf_info; 689 struct wmi_log_buf_t *cmd_tx_cmpl_log_buf = 690 &wmi_handle->log_info.wmi_command_tx_cmp_log_buf_info; 691 692 struct wmi_log_buf_t *event_log_buf = 693 &wmi_handle->log_info.wmi_event_log_buf_info; 694 struct wmi_log_buf_t *rx_event_log_buf = 695 &wmi_handle->log_info.wmi_rx_event_log_buf_info; 696 697 struct wmi_log_buf_t *mgmt_cmd_log_buf = 698 &wmi_handle->log_info.wmi_mgmt_command_log_buf_info; 699 struct wmi_log_buf_t *mgmt_cmd_tx_cmp_log_buf = 700 &wmi_handle->log_info.wmi_mgmt_command_tx_cmp_log_buf_info; 701 struct wmi_log_buf_t *mgmt_event_log_buf = 702 &wmi_handle->log_info.wmi_mgmt_event_log_buf_info; 703 struct wmi_log_buf_t *diag_event_log_buf = 704 &wmi_handle->log_info.wmi_diag_event_log_buf_info; 705 706 wmi_handle->log_info.wmi_logging_enable = 0; 707 708 /* WMI commands */ 709 cmd_log_buf->length = 0; 710 cmd_log_buf->buf_tail_idx = 0; 711 cmd_log_buf->buf = (struct wmi_command_debug *) qdf_mem_malloc( 712 wmi_log_max_entry * sizeof(struct wmi_command_debug)); 713 cmd_log_buf->size = wmi_log_max_entry; 714 715 if (!cmd_log_buf->buf) 716 return QDF_STATUS_E_NOMEM; 717 718 cmd_log_buf->p_buf_tail_idx = &cmd_log_buf->buf_tail_idx; 719 720 /* WMI commands TX completed */ 721 cmd_tx_cmpl_log_buf->length = 0; 722 cmd_tx_cmpl_log_buf->buf_tail_idx = 0; 723 cmd_tx_cmpl_log_buf->buf = (struct wmi_command_debug *) qdf_mem_malloc( 724 wmi_log_max_entry * sizeof(struct wmi_command_debug)); 725 cmd_tx_cmpl_log_buf->size = wmi_log_max_entry; 726 727 if (!cmd_tx_cmpl_log_buf->buf) 728 return QDF_STATUS_E_NOMEM; 729 730 cmd_tx_cmpl_log_buf->p_buf_tail_idx = 731 &cmd_tx_cmpl_log_buf->buf_tail_idx; 732 733 /* WMI events when processed */ 734 event_log_buf->length = 0; 735 event_log_buf->buf_tail_idx = 0; 736 event_log_buf->buf = (struct wmi_event_debug *) qdf_mem_malloc( 737 wmi_log_max_entry * sizeof(struct wmi_event_debug)); 738 event_log_buf->size = wmi_log_max_entry; 739 740 if (!event_log_buf->buf) 741 return QDF_STATUS_E_NOMEM; 742 743 event_log_buf->p_buf_tail_idx = &event_log_buf->buf_tail_idx; 744 745 /* WMI events when queued */ 746 rx_event_log_buf->length = 0; 747 rx_event_log_buf->buf_tail_idx = 0; 748 rx_event_log_buf->buf = (struct wmi_event_debug *) qdf_mem_malloc( 749 wmi_log_max_entry * sizeof(struct wmi_event_debug)); 750 rx_event_log_buf->size = wmi_log_max_entry; 751 752 if (!rx_event_log_buf->buf) 753 return QDF_STATUS_E_NOMEM; 754 755 rx_event_log_buf->p_buf_tail_idx = &rx_event_log_buf->buf_tail_idx; 756 757 /* WMI Management commands */ 758 mgmt_cmd_log_buf->length = 0; 759 mgmt_cmd_log_buf->buf_tail_idx = 0; 760 mgmt_cmd_log_buf->buf = (struct wmi_command_debug *) qdf_mem_malloc( 761 wmi_mgmt_log_max_entry * sizeof(struct wmi_command_debug)); 762 mgmt_cmd_log_buf->size = wmi_mgmt_log_max_entry; 763 764 if (!mgmt_cmd_log_buf->buf) 765 return QDF_STATUS_E_NOMEM; 766 767 mgmt_cmd_log_buf->p_buf_tail_idx = &mgmt_cmd_log_buf->buf_tail_idx; 768 769 /* WMI Management commands Tx completed*/ 770 mgmt_cmd_tx_cmp_log_buf->length = 0; 771 mgmt_cmd_tx_cmp_log_buf->buf_tail_idx = 0; 772 mgmt_cmd_tx_cmp_log_buf->buf = (struct wmi_command_debug *) 773 qdf_mem_malloc( 774 wmi_mgmt_log_max_entry * 775 sizeof(struct wmi_command_debug)); 776 mgmt_cmd_tx_cmp_log_buf->size = wmi_mgmt_log_max_entry; 777 778 if (!mgmt_cmd_tx_cmp_log_buf->buf) 779 return QDF_STATUS_E_NOMEM; 780 781 mgmt_cmd_tx_cmp_log_buf->p_buf_tail_idx = 782 &mgmt_cmd_tx_cmp_log_buf->buf_tail_idx; 783 784 /* WMI Management events when received */ 785 mgmt_event_log_buf->length = 0; 786 mgmt_event_log_buf->buf_tail_idx = 0; 787 788 mgmt_event_log_buf->buf = (struct wmi_event_debug *) qdf_mem_malloc( 789 wmi_mgmt_log_max_entry * 790 sizeof(struct wmi_event_debug)); 791 mgmt_event_log_buf->size = wmi_mgmt_log_max_entry; 792 793 if (!mgmt_event_log_buf->buf) 794 return QDF_STATUS_E_NOMEM; 795 796 mgmt_event_log_buf->p_buf_tail_idx = &mgmt_event_log_buf->buf_tail_idx; 797 798 /* WMI diag events when received */ 799 diag_event_log_buf->length = 0; 800 diag_event_log_buf->buf_tail_idx = 0; 801 802 diag_event_log_buf->buf = (struct wmi_event_debug *) qdf_mem_malloc( 803 wmi_diag_log_max_entry * 804 sizeof(struct wmi_event_debug)); 805 diag_event_log_buf->size = wmi_diag_log_max_entry; 806 807 if (!diag_event_log_buf->buf) 808 return QDF_STATUS_E_NOMEM; 809 810 diag_event_log_buf->p_buf_tail_idx = &diag_event_log_buf->buf_tail_idx; 811 812 qdf_spinlock_create(&wmi_handle->log_info.wmi_record_lock); 813 wmi_handle->log_info.wmi_logging_enable = 1; 814 815 return QDF_STATUS_SUCCESS; 816 } 817 #endif 818 819 /** 820 * wmi_log_buffer_free() - Free all dynamic allocated buffer memory for 821 * event logging 822 * @wmi_handle: WMI handle. 823 * 824 * Return: None 825 */ 826 #ifndef CONFIG_MCL 827 static inline void wmi_log_buffer_free(struct wmi_unified *wmi_handle) 828 { 829 if (wmi_handle->log_info.wmi_command_log_buf_info.buf) 830 qdf_mem_free(wmi_handle->log_info.wmi_command_log_buf_info.buf); 831 if (wmi_handle->log_info.wmi_command_tx_cmp_log_buf_info.buf) 832 qdf_mem_free( 833 wmi_handle->log_info.wmi_command_tx_cmp_log_buf_info.buf); 834 if (wmi_handle->log_info.wmi_event_log_buf_info.buf) 835 qdf_mem_free(wmi_handle->log_info.wmi_event_log_buf_info.buf); 836 if (wmi_handle->log_info.wmi_rx_event_log_buf_info.buf) 837 qdf_mem_free( 838 wmi_handle->log_info.wmi_rx_event_log_buf_info.buf); 839 if (wmi_handle->log_info.wmi_mgmt_command_log_buf_info.buf) 840 qdf_mem_free( 841 wmi_handle->log_info.wmi_mgmt_command_log_buf_info.buf); 842 if (wmi_handle->log_info.wmi_mgmt_command_tx_cmp_log_buf_info.buf) 843 qdf_mem_free( 844 wmi_handle->log_info.wmi_mgmt_command_tx_cmp_log_buf_info.buf); 845 if (wmi_handle->log_info.wmi_mgmt_event_log_buf_info.buf) 846 qdf_mem_free( 847 wmi_handle->log_info.wmi_mgmt_event_log_buf_info.buf); 848 if (wmi_handle->log_info.wmi_diag_event_log_buf_info.buf) 849 qdf_mem_free( 850 wmi_handle->log_info.wmi_diag_event_log_buf_info.buf); 851 wmi_handle->log_info.wmi_logging_enable = 0; 852 qdf_spinlock_destroy(&wmi_handle->log_info.wmi_record_lock); 853 } 854 #else 855 static inline void wmi_log_buffer_free(struct wmi_unified *wmi_handle) 856 { 857 /* Do Nothing */ 858 } 859 #endif 860 861 /** 862 * wmi_print_cmd_log_buffer() - an output agnostic wmi command log printer 863 * @log_buffer: the command log buffer metadata of the buffer to print 864 * @count: the maximum number of entries to print 865 * @print: an abstract print method, e.g. a qdf_print() or seq_printf() wrapper 866 * @print_priv: any data required by the print method, e.g. a file handle 867 * 868 * Return: None 869 */ 870 static void 871 wmi_print_cmd_log_buffer(struct wmi_log_buf_t *log_buffer, uint32_t count, 872 qdf_abstract_print *print, void *print_priv) 873 { 874 static const int data_len = 875 WMI_EVENT_DEBUG_ENTRY_MAX_LENGTH / sizeof(uint32_t); 876 char str[128]; 877 uint32_t idx; 878 879 if (count > log_buffer->size) 880 count = log_buffer->size; 881 if (count > log_buffer->length) 882 count = log_buffer->length; 883 884 /* subtract count from index, and wrap if necessary */ 885 idx = log_buffer->size + *log_buffer->p_buf_tail_idx - count; 886 idx %= log_buffer->size; 887 888 print(print_priv, "Time (seconds) Cmd Id Payload"); 889 while (count) { 890 struct wmi_command_debug *cmd_log = (struct wmi_command_debug *) 891 &((struct wmi_command_debug *)log_buffer->buf)[idx]; 892 uint64_t secs, usecs; 893 int len = 0; 894 int i; 895 896 qdf_log_timestamp_to_secs(cmd_log->time, &secs, &usecs); 897 len += scnprintf(str + len, sizeof(str) - len, 898 "% 8lld.%06lld %6u (0x%06x) ", 899 secs, usecs, 900 cmd_log->command, cmd_log->command); 901 for (i = 0; i < data_len; ++i) { 902 len += scnprintf(str + len, sizeof(str) - len, 903 "0x%08x ", cmd_log->data[i]); 904 } 905 906 print(print_priv, str); 907 908 --count; 909 ++idx; 910 if (idx >= log_buffer->size) 911 idx = 0; 912 } 913 } 914 915 /** 916 * wmi_print_event_log_buffer() - an output agnostic wmi event log printer 917 * @log_buffer: the event log buffer metadata of the buffer to print 918 * @count: the maximum number of entries to print 919 * @print: an abstract print method, e.g. a qdf_print() or seq_printf() wrapper 920 * @print_priv: any data required by the print method, e.g. a file handle 921 * 922 * Return: None 923 */ 924 static void 925 wmi_print_event_log_buffer(struct wmi_log_buf_t *log_buffer, uint32_t count, 926 qdf_abstract_print *print, void *print_priv) 927 { 928 static const int data_len = 929 WMI_EVENT_DEBUG_ENTRY_MAX_LENGTH / sizeof(uint32_t); 930 char str[128]; 931 uint32_t idx; 932 933 if (count > log_buffer->size) 934 count = log_buffer->size; 935 if (count > log_buffer->length) 936 count = log_buffer->length; 937 938 /* subtract count from index, and wrap if necessary */ 939 idx = log_buffer->size + *log_buffer->p_buf_tail_idx - count; 940 idx %= log_buffer->size; 941 942 print(print_priv, "Time (seconds) Event Id Payload"); 943 while (count) { 944 struct wmi_event_debug *event_log = (struct wmi_event_debug *) 945 &((struct wmi_event_debug *)log_buffer->buf)[idx]; 946 uint64_t secs, usecs; 947 int len = 0; 948 int i; 949 950 qdf_log_timestamp_to_secs(event_log->time, &secs, &usecs); 951 len += scnprintf(str + len, sizeof(str) - len, 952 "% 8lld.%06lld %6u (0x%06x) ", 953 secs, usecs, 954 event_log->event, event_log->event); 955 for (i = 0; i < data_len; ++i) { 956 len += scnprintf(str + len, sizeof(str) - len, 957 "0x%08x ", event_log->data[i]); 958 } 959 960 print(print_priv, str); 961 962 --count; 963 ++idx; 964 if (idx >= log_buffer->size) 965 idx = 0; 966 } 967 } 968 969 inline void 970 wmi_print_cmd_log(wmi_unified_t wmi, uint32_t count, 971 qdf_abstract_print *print, void *print_priv) 972 { 973 wmi_print_cmd_log_buffer( 974 &wmi->log_info.wmi_command_log_buf_info, 975 count, print, print_priv); 976 } 977 978 inline void 979 wmi_print_cmd_tx_cmp_log(wmi_unified_t wmi, uint32_t count, 980 qdf_abstract_print *print, void *print_priv) 981 { 982 wmi_print_cmd_log_buffer( 983 &wmi->log_info.wmi_command_tx_cmp_log_buf_info, 984 count, print, print_priv); 985 } 986 987 inline void 988 wmi_print_mgmt_cmd_log(wmi_unified_t wmi, uint32_t count, 989 qdf_abstract_print *print, void *print_priv) 990 { 991 wmi_print_cmd_log_buffer( 992 &wmi->log_info.wmi_mgmt_command_log_buf_info, 993 count, print, print_priv); 994 } 995 996 inline void 997 wmi_print_mgmt_cmd_tx_cmp_log(wmi_unified_t wmi, uint32_t count, 998 qdf_abstract_print *print, void *print_priv) 999 { 1000 wmi_print_cmd_log_buffer( 1001 &wmi->log_info.wmi_mgmt_command_tx_cmp_log_buf_info, 1002 count, print, print_priv); 1003 } 1004 1005 inline void 1006 wmi_print_event_log(wmi_unified_t wmi, uint32_t count, 1007 qdf_abstract_print *print, void *print_priv) 1008 { 1009 wmi_print_event_log_buffer( 1010 &wmi->log_info.wmi_event_log_buf_info, 1011 count, print, print_priv); 1012 } 1013 1014 inline void 1015 wmi_print_rx_event_log(wmi_unified_t wmi, uint32_t count, 1016 qdf_abstract_print *print, void *print_priv) 1017 { 1018 wmi_print_event_log_buffer( 1019 &wmi->log_info.wmi_rx_event_log_buf_info, 1020 count, print, print_priv); 1021 } 1022 1023 inline void 1024 wmi_print_mgmt_event_log(wmi_unified_t wmi, uint32_t count, 1025 qdf_abstract_print *print, void *print_priv) 1026 { 1027 wmi_print_event_log_buffer( 1028 &wmi->log_info.wmi_mgmt_event_log_buf_info, 1029 count, print, print_priv); 1030 } 1031 1032 1033 /* debugfs routines*/ 1034 1035 /** 1036 * debug_wmi_##func_base##_show() - debugfs functions to display content of 1037 * command and event buffers. Macro uses max buffer length to display 1038 * buffer when it is wraparound. 1039 * 1040 * @m: debugfs handler to access wmi_handle 1041 * @v: Variable arguments (not used) 1042 * 1043 * Return: Length of characters printed 1044 */ 1045 #define GENERATE_COMMAND_DEBUG_SHOW_FUNCS(func_base, wmi_ring_size) \ 1046 static int debug_wmi_##func_base##_show(struct seq_file *m, \ 1047 void *v) \ 1048 { \ 1049 wmi_unified_t wmi_handle = (wmi_unified_t) m->private; \ 1050 struct wmi_log_buf_t *wmi_log = \ 1051 &wmi_handle->log_info.wmi_##func_base##_buf_info;\ 1052 int pos, nread, outlen; \ 1053 int i; \ 1054 uint64_t secs, usecs; \ 1055 \ 1056 qdf_spin_lock(&wmi_handle->log_info.wmi_record_lock); \ 1057 if (!wmi_log->length) { \ 1058 qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock);\ 1059 return wmi_bp_seq_printf(m, \ 1060 "no elements to read from ring buffer!\n"); \ 1061 } \ 1062 \ 1063 if (wmi_log->length <= wmi_ring_size) \ 1064 nread = wmi_log->length; \ 1065 else \ 1066 nread = wmi_ring_size; \ 1067 \ 1068 if (*(wmi_log->p_buf_tail_idx) == 0) \ 1069 /* tail can be 0 after wrap-around */ \ 1070 pos = wmi_ring_size - 1; \ 1071 else \ 1072 pos = *(wmi_log->p_buf_tail_idx) - 1; \ 1073 \ 1074 outlen = wmi_bp_seq_printf(m, "Length = %d\n", wmi_log->length);\ 1075 qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock); \ 1076 while (nread--) { \ 1077 struct wmi_command_debug *wmi_record; \ 1078 \ 1079 wmi_record = (struct wmi_command_debug *) \ 1080 &(((struct wmi_command_debug *)wmi_log->buf)[pos]);\ 1081 outlen += wmi_bp_seq_printf(m, "CMD ID = %x\n", \ 1082 (wmi_record->command)); \ 1083 qdf_log_timestamp_to_secs(wmi_record->time, &secs,\ 1084 &usecs); \ 1085 outlen += \ 1086 wmi_bp_seq_printf(m, "CMD TIME = [%llu.%06llu]\n",\ 1087 secs, usecs); \ 1088 outlen += wmi_bp_seq_printf(m, "CMD = "); \ 1089 for (i = 0; i < (wmi_record_max_length/ \ 1090 sizeof(uint32_t)); i++) \ 1091 outlen += wmi_bp_seq_printf(m, "%x ", \ 1092 wmi_record->data[i]); \ 1093 outlen += wmi_bp_seq_printf(m, "\n"); \ 1094 \ 1095 if (pos == 0) \ 1096 pos = wmi_ring_size - 1; \ 1097 else \ 1098 pos--; \ 1099 } \ 1100 return outlen; \ 1101 } \ 1102 1103 #define GENERATE_EVENT_DEBUG_SHOW_FUNCS(func_base, wmi_ring_size) \ 1104 static int debug_wmi_##func_base##_show(struct seq_file *m, \ 1105 void *v) \ 1106 { \ 1107 wmi_unified_t wmi_handle = (wmi_unified_t) m->private; \ 1108 struct wmi_log_buf_t *wmi_log = \ 1109 &wmi_handle->log_info.wmi_##func_base##_buf_info;\ 1110 int pos, nread, outlen; \ 1111 int i; \ 1112 uint64_t secs, usecs; \ 1113 \ 1114 qdf_spin_lock(&wmi_handle->log_info.wmi_record_lock); \ 1115 if (!wmi_log->length) { \ 1116 qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock);\ 1117 return wmi_bp_seq_printf(m, \ 1118 "no elements to read from ring buffer!\n"); \ 1119 } \ 1120 \ 1121 if (wmi_log->length <= wmi_ring_size) \ 1122 nread = wmi_log->length; \ 1123 else \ 1124 nread = wmi_ring_size; \ 1125 \ 1126 if (*(wmi_log->p_buf_tail_idx) == 0) \ 1127 /* tail can be 0 after wrap-around */ \ 1128 pos = wmi_ring_size - 1; \ 1129 else \ 1130 pos = *(wmi_log->p_buf_tail_idx) - 1; \ 1131 \ 1132 outlen = wmi_bp_seq_printf(m, "Length = %d\n", wmi_log->length);\ 1133 qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock); \ 1134 while (nread--) { \ 1135 struct wmi_event_debug *wmi_record; \ 1136 \ 1137 wmi_record = (struct wmi_event_debug *) \ 1138 &(((struct wmi_event_debug *)wmi_log->buf)[pos]);\ 1139 qdf_log_timestamp_to_secs(wmi_record->time, &secs,\ 1140 &usecs); \ 1141 outlen += wmi_bp_seq_printf(m, "Event ID = %x\n",\ 1142 (wmi_record->event)); \ 1143 outlen += \ 1144 wmi_bp_seq_printf(m, "Event TIME = [%llu.%06llu]\n",\ 1145 secs, usecs); \ 1146 outlen += wmi_bp_seq_printf(m, "CMD = "); \ 1147 for (i = 0; i < (wmi_record_max_length/ \ 1148 sizeof(uint32_t)); i++) \ 1149 outlen += wmi_bp_seq_printf(m, "%x ", \ 1150 wmi_record->data[i]); \ 1151 outlen += wmi_bp_seq_printf(m, "\n"); \ 1152 \ 1153 if (pos == 0) \ 1154 pos = wmi_ring_size - 1; \ 1155 else \ 1156 pos--; \ 1157 } \ 1158 return outlen; \ 1159 } 1160 1161 GENERATE_COMMAND_DEBUG_SHOW_FUNCS(command_log, wmi_display_size); 1162 GENERATE_COMMAND_DEBUG_SHOW_FUNCS(command_tx_cmp_log, wmi_display_size); 1163 GENERATE_EVENT_DEBUG_SHOW_FUNCS(event_log, wmi_display_size); 1164 GENERATE_EVENT_DEBUG_SHOW_FUNCS(rx_event_log, wmi_display_size); 1165 GENERATE_COMMAND_DEBUG_SHOW_FUNCS(mgmt_command_log, wmi_display_size); 1166 GENERATE_COMMAND_DEBUG_SHOW_FUNCS(mgmt_command_tx_cmp_log, 1167 wmi_display_size); 1168 GENERATE_EVENT_DEBUG_SHOW_FUNCS(mgmt_event_log, wmi_display_size); 1169 1170 /** 1171 * debug_wmi_enable_show() - debugfs functions to display enable state of 1172 * wmi logging feature. 1173 * 1174 * @m: debugfs handler to access wmi_handle 1175 * @v: Variable arguments (not used) 1176 * 1177 * Return: always 1 1178 */ 1179 static int debug_wmi_enable_show(struct seq_file *m, void *v) 1180 { 1181 wmi_unified_t wmi_handle = (wmi_unified_t) m->private; 1182 1183 return wmi_bp_seq_printf(m, "%d\n", 1184 wmi_handle->log_info.wmi_logging_enable); 1185 } 1186 1187 /** 1188 * debug_wmi_log_size_show() - debugfs functions to display configured size of 1189 * wmi logging command/event buffer and management command/event buffer. 1190 * 1191 * @m: debugfs handler to access wmi_handle 1192 * @v: Variable arguments (not used) 1193 * 1194 * Return: Length of characters printed 1195 */ 1196 static int debug_wmi_log_size_show(struct seq_file *m, void *v) 1197 { 1198 1199 wmi_bp_seq_printf(m, "WMI command/event log max size:%d\n", 1200 wmi_log_max_entry); 1201 return wmi_bp_seq_printf(m, 1202 "WMI management command/events log max size:%d\n", 1203 wmi_mgmt_log_max_entry); 1204 } 1205 1206 /** 1207 * debug_wmi_##func_base##_write() - debugfs functions to clear 1208 * wmi logging command/event buffer and management command/event buffer. 1209 * 1210 * @file: file handler to access wmi_handle 1211 * @buf: received data buffer 1212 * @count: length of received buffer 1213 * @ppos: Not used 1214 * 1215 * Return: count 1216 */ 1217 #define GENERATE_DEBUG_WRITE_FUNCS(func_base, wmi_ring_size, wmi_record_type)\ 1218 static ssize_t debug_wmi_##func_base##_write(struct file *file, \ 1219 const char __user *buf, \ 1220 size_t count, loff_t *ppos) \ 1221 { \ 1222 int k, ret; \ 1223 wmi_unified_t wmi_handle = \ 1224 ((struct seq_file *)file->private_data)->private;\ 1225 struct wmi_log_buf_t *wmi_log = &wmi_handle->log_info. \ 1226 wmi_##func_base##_buf_info; \ 1227 char locbuf[50]; \ 1228 \ 1229 if ((!buf) || (count > 50)) \ 1230 return -EFAULT; \ 1231 \ 1232 if (copy_from_user(locbuf, buf, count)) \ 1233 return -EFAULT; \ 1234 \ 1235 ret = sscanf(locbuf, "%d", &k); \ 1236 if ((ret != 1) || (k != 0)) { \ 1237 WMI_LOGE("Wrong input, echo 0 to clear the wmi buffer");\ 1238 return -EINVAL; \ 1239 } \ 1240 \ 1241 qdf_spin_lock(&wmi_handle->log_info.wmi_record_lock); \ 1242 qdf_mem_zero(wmi_log->buf, wmi_ring_size * \ 1243 sizeof(struct wmi_record_type)); \ 1244 wmi_log->length = 0; \ 1245 *(wmi_log->p_buf_tail_idx) = 0; \ 1246 qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock); \ 1247 \ 1248 return count; \ 1249 } 1250 1251 GENERATE_DEBUG_WRITE_FUNCS(command_log, wmi_log_max_entry, 1252 wmi_command_debug); 1253 GENERATE_DEBUG_WRITE_FUNCS(command_tx_cmp_log, wmi_log_max_entry, 1254 wmi_command_debug); 1255 GENERATE_DEBUG_WRITE_FUNCS(event_log, wmi_log_max_entry, 1256 wmi_event_debug); 1257 GENERATE_DEBUG_WRITE_FUNCS(rx_event_log, wmi_log_max_entry, 1258 wmi_event_debug); 1259 GENERATE_DEBUG_WRITE_FUNCS(mgmt_command_log, wmi_mgmt_log_max_entry, 1260 wmi_command_debug); 1261 GENERATE_DEBUG_WRITE_FUNCS(mgmt_command_tx_cmp_log, 1262 wmi_mgmt_log_max_entry, wmi_command_debug); 1263 GENERATE_DEBUG_WRITE_FUNCS(mgmt_event_log, wmi_mgmt_log_max_entry, 1264 wmi_event_debug); 1265 1266 /** 1267 * debug_wmi_enable_write() - debugfs functions to enable/disable 1268 * wmi logging feature. 1269 * 1270 * @file: file handler to access wmi_handle 1271 * @buf: received data buffer 1272 * @count: length of received buffer 1273 * @ppos: Not used 1274 * 1275 * Return: count 1276 */ 1277 static ssize_t debug_wmi_enable_write(struct file *file, const char __user *buf, 1278 size_t count, loff_t *ppos) 1279 { 1280 wmi_unified_t wmi_handle = 1281 ((struct seq_file *)file->private_data)->private; 1282 int k, ret; 1283 char locbuf[50]; 1284 1285 if ((!buf) || (count > 50)) 1286 return -EFAULT; 1287 1288 if (copy_from_user(locbuf, buf, count)) 1289 return -EFAULT; 1290 1291 ret = sscanf(locbuf, "%d", &k); 1292 if ((ret != 1) || ((k != 0) && (k != 1))) 1293 return -EINVAL; 1294 1295 wmi_handle->log_info.wmi_logging_enable = k; 1296 return count; 1297 } 1298 1299 /** 1300 * debug_wmi_log_size_write() - reserved. 1301 * 1302 * @file: file handler to access wmi_handle 1303 * @buf: received data buffer 1304 * @count: length of received buffer 1305 * @ppos: Not used 1306 * 1307 * Return: count 1308 */ 1309 static ssize_t debug_wmi_log_size_write(struct file *file, 1310 const char __user *buf, size_t count, loff_t *ppos) 1311 { 1312 return -EINVAL; 1313 } 1314 1315 /* Structure to maintain debug information */ 1316 struct wmi_debugfs_info { 1317 const char *name; 1318 const struct file_operations *ops; 1319 }; 1320 1321 #define DEBUG_FOO(func_base) { .name = #func_base, \ 1322 .ops = &debug_##func_base##_ops } 1323 1324 /** 1325 * debug_##func_base##_open() - Open debugfs entry for respective command 1326 * and event buffer. 1327 * 1328 * @inode: node for debug dir entry 1329 * @file: file handler 1330 * 1331 * Return: open status 1332 */ 1333 #define GENERATE_DEBUG_STRUCTS(func_base) \ 1334 static int debug_##func_base##_open(struct inode *inode, \ 1335 struct file *file) \ 1336 { \ 1337 return single_open(file, debug_##func_base##_show, \ 1338 inode->i_private); \ 1339 } \ 1340 \ 1341 \ 1342 static struct file_operations debug_##func_base##_ops = { \ 1343 .open = debug_##func_base##_open, \ 1344 .read = seq_read, \ 1345 .llseek = seq_lseek, \ 1346 .write = debug_##func_base##_write, \ 1347 .release = single_release, \ 1348 }; 1349 1350 GENERATE_DEBUG_STRUCTS(wmi_command_log); 1351 GENERATE_DEBUG_STRUCTS(wmi_command_tx_cmp_log); 1352 GENERATE_DEBUG_STRUCTS(wmi_event_log); 1353 GENERATE_DEBUG_STRUCTS(wmi_rx_event_log); 1354 GENERATE_DEBUG_STRUCTS(wmi_mgmt_command_log); 1355 GENERATE_DEBUG_STRUCTS(wmi_mgmt_command_tx_cmp_log); 1356 GENERATE_DEBUG_STRUCTS(wmi_mgmt_event_log); 1357 GENERATE_DEBUG_STRUCTS(wmi_enable); 1358 GENERATE_DEBUG_STRUCTS(wmi_log_size); 1359 1360 struct wmi_debugfs_info wmi_debugfs_infos[NUM_DEBUG_INFOS] = { 1361 DEBUG_FOO(wmi_command_log), 1362 DEBUG_FOO(wmi_command_tx_cmp_log), 1363 DEBUG_FOO(wmi_event_log), 1364 DEBUG_FOO(wmi_rx_event_log), 1365 DEBUG_FOO(wmi_mgmt_command_log), 1366 DEBUG_FOO(wmi_mgmt_command_tx_cmp_log), 1367 DEBUG_FOO(wmi_mgmt_event_log), 1368 DEBUG_FOO(wmi_enable), 1369 DEBUG_FOO(wmi_log_size), 1370 }; 1371 1372 1373 /** 1374 * wmi_debugfs_create() - Create debug_fs entry for wmi logging. 1375 * 1376 * @wmi_handle: wmi handle 1377 * @par_entry: debug directory entry 1378 * @id: Index to debug info data array 1379 * 1380 * Return: none 1381 */ 1382 static void wmi_debugfs_create(wmi_unified_t wmi_handle, 1383 struct dentry *par_entry) 1384 { 1385 int i; 1386 1387 if (!par_entry) 1388 goto out; 1389 1390 for (i = 0; i < NUM_DEBUG_INFOS; ++i) { 1391 wmi_handle->debugfs_de[i] = debugfs_create_file( 1392 wmi_debugfs_infos[i].name, 0644, par_entry, 1393 wmi_handle, wmi_debugfs_infos[i].ops); 1394 1395 if (!wmi_handle->debugfs_de[i]) { 1396 WMI_LOGE("debug Entry creation failed!"); 1397 goto out; 1398 } 1399 } 1400 1401 return; 1402 1403 out: 1404 WMI_LOGE("debug Entry creation failed!"); 1405 wmi_log_buffer_free(wmi_handle); 1406 return; 1407 } 1408 1409 /** 1410 * wmi_debugfs_remove() - Remove debugfs entry for wmi logging. 1411 * @wmi_handle: wmi handle 1412 * @dentry: debugfs directory entry 1413 * @id: Index to debug info data array 1414 * 1415 * Return: none 1416 */ 1417 static void wmi_debugfs_remove(wmi_unified_t wmi_handle) 1418 { 1419 int i; 1420 struct dentry *dentry = wmi_handle->log_info.wmi_log_debugfs_dir; 1421 1422 if (dentry) { 1423 for (i = 0; i < NUM_DEBUG_INFOS; ++i) { 1424 if (wmi_handle->debugfs_de[i]) 1425 wmi_handle->debugfs_de[i] = NULL; 1426 } 1427 } 1428 1429 if (dentry) 1430 debugfs_remove_recursive(dentry); 1431 } 1432 1433 /** 1434 * wmi_debugfs_init() - debugfs functions to create debugfs directory and to 1435 * create debugfs enteries. 1436 * 1437 * @h: wmi handler 1438 * 1439 * Return: init status 1440 */ 1441 static QDF_STATUS wmi_debugfs_init(wmi_unified_t wmi_handle, uint32_t pdev_idx) 1442 { 1443 char buf[32]; 1444 1445 snprintf(buf, sizeof(buf), "WMI_SOC%u_PDEV%u", 1446 wmi_handle->soc->soc_idx, pdev_idx); 1447 1448 wmi_handle->log_info.wmi_log_debugfs_dir = 1449 debugfs_create_dir(buf, NULL); 1450 1451 if (!wmi_handle->log_info.wmi_log_debugfs_dir) { 1452 WMI_LOGE("error while creating debugfs dir for %s", buf); 1453 return QDF_STATUS_E_FAILURE; 1454 } 1455 wmi_debugfs_create(wmi_handle, 1456 wmi_handle->log_info.wmi_log_debugfs_dir); 1457 1458 return QDF_STATUS_SUCCESS; 1459 } 1460 1461 /** 1462 * wmi_mgmt_cmd_record() - Wrapper function for mgmt command logging macro 1463 * 1464 * @wmi_handle: wmi handle 1465 * @cmd: mgmt command 1466 * @header: pointer to 802.11 header 1467 * @vdev_id: vdev id 1468 * @chanfreq: channel frequency 1469 * 1470 * Return: none 1471 */ 1472 void wmi_mgmt_cmd_record(wmi_unified_t wmi_handle, uint32_t cmd, 1473 void *header, uint32_t vdev_id, uint32_t chanfreq) 1474 { 1475 1476 uint32_t data[CUSTOM_MGMT_CMD_DATA_SIZE]; 1477 1478 data[0] = ((struct wmi_command_header *)header)->type; 1479 data[1] = ((struct wmi_command_header *)header)->sub_type; 1480 data[2] = vdev_id; 1481 data[3] = chanfreq; 1482 1483 qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock); 1484 1485 WMI_MGMT_COMMAND_RECORD(wmi_handle, cmd, (uint8_t *)data); 1486 1487 qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock); 1488 } 1489 #else 1490 /** 1491 * wmi_debugfs_remove() - Remove debugfs entry for wmi logging. 1492 * @wmi_handle: wmi handle 1493 * @dentry: debugfs directory entry 1494 * @id: Index to debug info data array 1495 * 1496 * Return: none 1497 */ 1498 static void wmi_debugfs_remove(wmi_unified_t wmi_handle) { } 1499 void wmi_mgmt_cmd_record(wmi_unified_t wmi_handle, uint32_t cmd, 1500 void *header, uint32_t vdev_id, uint32_t chanfreq) { } 1501 static inline void wmi_log_buffer_free(struct wmi_unified *wmi_handle) { } 1502 #endif /*WMI_INTERFACE_EVENT_LOGGING */ 1503 qdf_export_symbol(wmi_mgmt_cmd_record); 1504 1505 int wmi_get_host_credits(wmi_unified_t wmi_handle); 1506 /* WMI buffer APIs */ 1507 1508 #ifdef NBUF_MEMORY_DEBUG 1509 wmi_buf_t 1510 wmi_buf_alloc_debug(wmi_unified_t wmi_handle, uint32_t len, 1511 const char *func_name, 1512 uint32_t line_num) 1513 { 1514 wmi_buf_t wmi_buf; 1515 1516 if (roundup(len + WMI_MIN_HEAD_ROOM, 4) > wmi_handle->max_msg_len) { 1517 QDF_ASSERT(0); 1518 return NULL; 1519 } 1520 1521 wmi_buf = wbuff_buff_get(wmi_handle->wbuff_handle, len, func_name, 1522 line_num); 1523 if (!wmi_buf) 1524 wmi_buf = qdf_nbuf_alloc_debug(NULL, 1525 roundup(len + WMI_MIN_HEAD_ROOM, 1526 4), 1527 WMI_MIN_HEAD_ROOM, 4, false, 1528 func_name, line_num); 1529 if (!wmi_buf) 1530 return NULL; 1531 1532 /* Clear the wmi buffer */ 1533 OS_MEMZERO(qdf_nbuf_data(wmi_buf), len); 1534 1535 /* 1536 * Set the length of the buffer to match the allocation size. 1537 */ 1538 qdf_nbuf_set_pktlen(wmi_buf, len); 1539 1540 return wmi_buf; 1541 } 1542 qdf_export_symbol(wmi_buf_alloc_debug); 1543 1544 void wmi_buf_free(wmi_buf_t net_buf) 1545 { 1546 net_buf = wbuff_buff_put(net_buf); 1547 if (net_buf) 1548 qdf_nbuf_free(net_buf); 1549 } 1550 qdf_export_symbol(wmi_buf_free); 1551 #else 1552 wmi_buf_t wmi_buf_alloc_fl(wmi_unified_t wmi_handle, uint32_t len, 1553 const char *func, uint32_t line) 1554 { 1555 wmi_buf_t wmi_buf; 1556 1557 if (roundup(len + WMI_MIN_HEAD_ROOM, 4) > wmi_handle->max_msg_len) { 1558 QDF_DEBUG_PANIC("Invalid length %u (via %s:%u)", 1559 len, func, line); 1560 return NULL; 1561 } 1562 1563 wmi_buf = wbuff_buff_get(wmi_handle->wbuff_handle, len, __func__, 1564 __LINE__); 1565 if (!wmi_buf) 1566 wmi_buf = qdf_nbuf_alloc_fl(NULL, roundup(len + 1567 WMI_MIN_HEAD_ROOM, 4), WMI_MIN_HEAD_ROOM, 4, 1568 false, func, line); 1569 1570 if (!wmi_buf) { 1571 wmi_nofl_err("%s:%d, failed to alloc len:%d", func, line, len); 1572 return NULL; 1573 } 1574 1575 /* Clear the wmi buffer */ 1576 OS_MEMZERO(qdf_nbuf_data(wmi_buf), len); 1577 1578 /* 1579 * Set the length of the buffer to match the allocation size. 1580 */ 1581 qdf_nbuf_set_pktlen(wmi_buf, len); 1582 1583 return wmi_buf; 1584 } 1585 qdf_export_symbol(wmi_buf_alloc_fl); 1586 1587 void wmi_buf_free(wmi_buf_t net_buf) 1588 { 1589 net_buf = wbuff_buff_put(net_buf); 1590 if (net_buf) 1591 qdf_nbuf_free(net_buf); 1592 } 1593 qdf_export_symbol(wmi_buf_free); 1594 #endif 1595 1596 /** 1597 * wmi_get_max_msg_len() - get maximum WMI message length 1598 * @wmi_handle: WMI handle. 1599 * 1600 * This function returns the maximum WMI message length 1601 * 1602 * Return: maximum WMI message length 1603 */ 1604 uint16_t wmi_get_max_msg_len(wmi_unified_t wmi_handle) 1605 { 1606 return wmi_handle->max_msg_len - WMI_MIN_HEAD_ROOM; 1607 } 1608 qdf_export_symbol(wmi_get_max_msg_len); 1609 1610 #ifdef CONFIG_MCL 1611 #ifndef WMI_CMD_STRINGS 1612 static uint8_t *wmi_id_to_name(uint32_t wmi_command) 1613 { 1614 return "Invalid WMI cmd"; 1615 } 1616 1617 #endif 1618 1619 static inline void wmi_log_cmd_id(uint32_t cmd_id, uint32_t tag) 1620 { 1621 WMI_LOGD("Send WMI command:%s command_id:%d htc_tag:%d\n", 1622 wmi_id_to_name(cmd_id), cmd_id, tag); 1623 } 1624 1625 /** 1626 * wmi_is_pm_resume_cmd() - check if a cmd is part of the resume sequence 1627 * @cmd_id: command to check 1628 * 1629 * Return: true if the command is part of the resume sequence. 1630 */ 1631 static bool wmi_is_pm_resume_cmd(uint32_t cmd_id) 1632 { 1633 switch (cmd_id) { 1634 case WMI_WOW_HOSTWAKEUP_FROM_SLEEP_CMDID: 1635 case WMI_PDEV_RESUME_CMDID: 1636 return true; 1637 1638 default: 1639 return false; 1640 } 1641 } 1642 #else 1643 static bool wmi_is_pm_resume_cmd(uint32_t cmd_id) 1644 { 1645 return false; 1646 } 1647 #endif 1648 1649 static inline void wmi_unified_debug_dump(wmi_unified_t wmi_handle) 1650 { 1651 wmi_nofl_err("Endpoint ID = %d, Tx Queue Depth = %d, soc_id = %u, target type = %s", 1652 wmi_handle->wmi_endpoint_id, 1653 htc_get_tx_queue_depth(wmi_handle->htc_handle, 1654 wmi_handle->wmi_endpoint_id), 1655 wmi_handle->soc->soc_idx, 1656 (wmi_handle->target_type == 1657 WMI_TLV_TARGET ? "WMI_TLV_TARGET" : 1658 "WMI_NON_TLV_TARGET")); 1659 } 1660 1661 QDF_STATUS wmi_unified_cmd_send_fl(wmi_unified_t wmi_handle, wmi_buf_t buf, 1662 uint32_t len, uint32_t cmd_id, 1663 const char *func, uint32_t line) 1664 { 1665 HTC_PACKET *pkt; 1666 QDF_STATUS status; 1667 uint16_t htc_tag = 0; 1668 1669 if (wmi_get_runtime_pm_inprogress(wmi_handle)) { 1670 htc_tag = wmi_handle->ops->wmi_set_htc_tx_tag(wmi_handle, buf, 1671 cmd_id); 1672 } else if (qdf_atomic_read(&wmi_handle->is_target_suspended) && 1673 !wmi_is_pm_resume_cmd(cmd_id)) { 1674 QDF_DEBUG_PANIC("Target is suspended (via %s:%u)", func, line); 1675 return QDF_STATUS_E_BUSY; 1676 } 1677 1678 if (wmi_handle->wmi_stopinprogress) { 1679 wmi_nofl_err("%s:%d, WMI stop in progress", func, line); 1680 return QDF_STATUS_E_INVAL; 1681 } 1682 1683 #ifndef WMI_NON_TLV_SUPPORT 1684 /* Do sanity check on the TLV parameter structure */ 1685 if (wmi_handle->target_type == WMI_TLV_TARGET) { 1686 void *buf_ptr = (void *)qdf_nbuf_data(buf); 1687 1688 if (wmi_handle->ops->wmi_check_command_params(NULL, buf_ptr, len, cmd_id) 1689 != 0) { 1690 wmi_nofl_err("%s:%d, Invalid WMI Param Buffer for Cmd:%d", 1691 func, line, cmd_id); 1692 return QDF_STATUS_E_INVAL; 1693 } 1694 } 1695 #endif 1696 1697 if (qdf_nbuf_push_head(buf, sizeof(WMI_CMD_HDR)) == NULL) { 1698 wmi_nofl_err("%s:%d, Failed to send cmd %x, no memory", 1699 func, line, cmd_id); 1700 return QDF_STATUS_E_NOMEM; 1701 } 1702 1703 qdf_mem_zero(qdf_nbuf_data(buf), sizeof(WMI_CMD_HDR)); 1704 WMI_SET_FIELD(qdf_nbuf_data(buf), WMI_CMD_HDR, COMMANDID, cmd_id); 1705 1706 qdf_atomic_inc(&wmi_handle->pending_cmds); 1707 if (qdf_atomic_read(&wmi_handle->pending_cmds) >= 1708 wmi_handle->wmi_max_cmds) { 1709 wmi_nofl_err("hostcredits = %d", 1710 wmi_get_host_credits(wmi_handle)); 1711 htc_dump_counter_info(wmi_handle->htc_handle); 1712 qdf_atomic_dec(&wmi_handle->pending_cmds); 1713 wmi_nofl_err("%s:%d, MAX %d WMI Pending cmds reached", 1714 func, line, wmi_handle->wmi_max_cmds); 1715 wmi_unified_debug_dump(wmi_handle); 1716 QDF_BUG(0); 1717 return QDF_STATUS_E_BUSY; 1718 } 1719 1720 pkt = qdf_mem_malloc_fl(sizeof(*pkt), func, line); 1721 if (!pkt) { 1722 qdf_atomic_dec(&wmi_handle->pending_cmds); 1723 return QDF_STATUS_E_NOMEM; 1724 } 1725 1726 SET_HTC_PACKET_INFO_TX(pkt, 1727 NULL, 1728 qdf_nbuf_data(buf), len + sizeof(WMI_CMD_HDR), 1729 wmi_handle->wmi_endpoint_id, htc_tag); 1730 1731 SET_HTC_PACKET_NET_BUF_CONTEXT(pkt, buf); 1732 #ifdef CONFIG_MCL 1733 wmi_log_cmd_id(cmd_id, htc_tag); 1734 #endif 1735 wmi_ext_dbg_msg_cmd_record(wmi_handle, 1736 qdf_nbuf_data(buf), qdf_nbuf_len(buf)); 1737 #ifdef WMI_INTERFACE_EVENT_LOGGING 1738 if (wmi_handle->log_info.wmi_logging_enable) { 1739 qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock); 1740 /* 1741 * Record 16 bytes of WMI cmd data - 1742 * exclude TLV and WMI headers 1743 * 1744 * WMI mgmt command already recorded in wmi_mgmt_cmd_record 1745 */ 1746 if (wmi_handle->ops->is_management_record(cmd_id) == false) { 1747 WMI_COMMAND_RECORD(wmi_handle, cmd_id, 1748 qdf_nbuf_data(buf) + 1749 wmi_handle->soc->buf_offset_command); 1750 } 1751 qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock); 1752 } 1753 #endif 1754 1755 status = htc_send_pkt(wmi_handle->htc_handle, pkt); 1756 1757 if (QDF_STATUS_SUCCESS != status) { 1758 qdf_atomic_dec(&wmi_handle->pending_cmds); 1759 wmi_nofl_err("%s:%d, htc_send_pkt failed, status:%d", 1760 func, line, status); 1761 qdf_mem_free(pkt); 1762 return status; 1763 } 1764 1765 return QDF_STATUS_SUCCESS; 1766 } 1767 qdf_export_symbol(wmi_unified_cmd_send_fl); 1768 1769 /** 1770 * wmi_unified_get_event_handler_ix() - gives event handler's index 1771 * @wmi_handle: handle to wmi 1772 * @event_id: wmi event id 1773 * 1774 * Return: event handler's index 1775 */ 1776 static int wmi_unified_get_event_handler_ix(wmi_unified_t wmi_handle, 1777 uint32_t event_id) 1778 { 1779 uint32_t idx = 0; 1780 int32_t invalid_idx = -1; 1781 struct wmi_soc *soc = wmi_handle->soc; 1782 1783 for (idx = 0; (idx < soc->max_event_idx && 1784 idx < WMI_UNIFIED_MAX_EVENT); ++idx) { 1785 if (wmi_handle->event_id[idx] == event_id && 1786 wmi_handle->event_handler[idx] != NULL) { 1787 return idx; 1788 } 1789 } 1790 1791 return invalid_idx; 1792 } 1793 1794 /** 1795 * wmi_unified_register_event() - register wmi event handler 1796 * @wmi_handle: handle to wmi 1797 * @event_id: wmi event id 1798 * @handler_func: wmi event handler function 1799 * 1800 * Return: 0 on success 1801 */ 1802 int wmi_unified_register_event(wmi_unified_t wmi_handle, 1803 uint32_t event_id, 1804 wmi_unified_event_handler handler_func) 1805 { 1806 uint32_t idx = 0; 1807 uint32_t evt_id; 1808 struct wmi_soc *soc; 1809 1810 if (!wmi_handle) { 1811 WMI_LOGE("WMI handle is NULL"); 1812 return QDF_STATUS_E_FAILURE; 1813 } 1814 1815 soc = wmi_handle->soc; 1816 1817 if (event_id >= wmi_events_max || 1818 wmi_handle->wmi_events[event_id] == WMI_EVENT_ID_INVALID) { 1819 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR, 1820 "%s: Event id %d is unavailable", 1821 __func__, event_id); 1822 return QDF_STATUS_E_FAILURE; 1823 } 1824 evt_id = wmi_handle->wmi_events[event_id]; 1825 if (wmi_unified_get_event_handler_ix(wmi_handle, evt_id) != -1) { 1826 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR, 1827 "%s : event handler already registered 0x%x", 1828 __func__, evt_id); 1829 return QDF_STATUS_E_FAILURE; 1830 } 1831 if (soc->max_event_idx == WMI_UNIFIED_MAX_EVENT) { 1832 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR, 1833 "%s : no more event handlers 0x%x", 1834 __func__, evt_id); 1835 return QDF_STATUS_E_FAILURE; 1836 } 1837 idx = soc->max_event_idx; 1838 wmi_handle->event_handler[idx] = handler_func; 1839 wmi_handle->event_id[idx] = evt_id; 1840 qdf_spin_lock_bh(&soc->ctx_lock); 1841 wmi_handle->ctx[idx] = WMI_RX_UMAC_CTX; 1842 qdf_spin_unlock_bh(&soc->ctx_lock); 1843 soc->max_event_idx++; 1844 1845 return 0; 1846 } 1847 1848 /** 1849 * wmi_unified_register_event_handler() - register wmi event handler 1850 * @wmi_handle: handle to wmi 1851 * @event_id: wmi event id 1852 * @handler_func: wmi event handler function 1853 * @rx_ctx: rx execution context for wmi rx events 1854 * 1855 * This API is to support legacy requirements. Will be deprecated in future. 1856 * Return: 0 on success 1857 */ 1858 int wmi_unified_register_event_handler(wmi_unified_t wmi_handle, 1859 wmi_conv_event_id event_id, 1860 wmi_unified_event_handler handler_func, 1861 uint8_t rx_ctx) 1862 { 1863 uint32_t idx = 0; 1864 uint32_t evt_id; 1865 struct wmi_soc *soc; 1866 1867 if (!wmi_handle) { 1868 WMI_LOGE("WMI handle is NULL"); 1869 return QDF_STATUS_E_FAILURE; 1870 } 1871 1872 soc = wmi_handle->soc; 1873 1874 if (event_id >= wmi_events_max || 1875 wmi_handle->wmi_events[event_id] == WMI_EVENT_ID_INVALID) { 1876 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR, 1877 "%s: Event id %d is unavailable", 1878 __func__, event_id); 1879 return QDF_STATUS_E_FAILURE; 1880 } 1881 evt_id = wmi_handle->wmi_events[event_id]; 1882 1883 if (wmi_unified_get_event_handler_ix(wmi_handle, evt_id) != -1) { 1884 WMI_LOGE("event handler already registered 0x%x", 1885 evt_id); 1886 return QDF_STATUS_E_FAILURE; 1887 } 1888 if (soc->max_event_idx == WMI_UNIFIED_MAX_EVENT) { 1889 WMI_LOGE("no more event handlers 0x%x", 1890 evt_id); 1891 return QDF_STATUS_E_FAILURE; 1892 } 1893 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_DEBUG, 1894 "Registered event handler for event 0x%8x", evt_id); 1895 idx = soc->max_event_idx; 1896 wmi_handle->event_handler[idx] = handler_func; 1897 wmi_handle->event_id[idx] = evt_id; 1898 qdf_spin_lock_bh(&soc->ctx_lock); 1899 wmi_handle->ctx[idx] = rx_ctx; 1900 qdf_spin_unlock_bh(&soc->ctx_lock); 1901 soc->max_event_idx++; 1902 1903 return 0; 1904 } 1905 qdf_export_symbol(wmi_unified_register_event_handler); 1906 1907 /** 1908 * wmi_unified_unregister_event() - unregister wmi event handler 1909 * @wmi_handle: handle to wmi 1910 * @event_id: wmi event id 1911 * 1912 * Return: 0 on success 1913 */ 1914 int wmi_unified_unregister_event(wmi_unified_t wmi_handle, 1915 uint32_t event_id) 1916 { 1917 uint32_t idx = 0; 1918 uint32_t evt_id; 1919 struct wmi_soc *soc = wmi_handle->soc; 1920 1921 if (event_id >= wmi_events_max || 1922 wmi_handle->wmi_events[event_id] == WMI_EVENT_ID_INVALID) { 1923 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR, 1924 "%s: Event id %d is unavailable", 1925 __func__, event_id); 1926 return QDF_STATUS_E_FAILURE; 1927 } 1928 evt_id = wmi_handle->wmi_events[event_id]; 1929 1930 idx = wmi_unified_get_event_handler_ix(wmi_handle, evt_id); 1931 if (idx == -1) { 1932 WMI_LOGE("event handler is not registered: evt id 0x%x", 1933 evt_id); 1934 return QDF_STATUS_E_FAILURE; 1935 } 1936 wmi_handle->event_handler[idx] = NULL; 1937 wmi_handle->event_id[idx] = 0; 1938 --soc->max_event_idx; 1939 wmi_handle->event_handler[idx] = 1940 wmi_handle->event_handler[soc->max_event_idx]; 1941 wmi_handle->event_id[idx] = 1942 wmi_handle->event_id[soc->max_event_idx]; 1943 1944 return 0; 1945 } 1946 1947 /** 1948 * wmi_unified_unregister_event_handler() - unregister wmi event handler 1949 * @wmi_handle: handle to wmi 1950 * @event_id: wmi event id 1951 * 1952 * Return: 0 on success 1953 */ 1954 int wmi_unified_unregister_event_handler(wmi_unified_t wmi_handle, 1955 wmi_conv_event_id event_id) 1956 { 1957 uint32_t idx = 0; 1958 uint32_t evt_id; 1959 struct wmi_soc *soc; 1960 1961 if (!wmi_handle) { 1962 WMI_LOGE("WMI handle is NULL"); 1963 return QDF_STATUS_E_FAILURE; 1964 } 1965 1966 soc = wmi_handle->soc; 1967 1968 if (event_id >= wmi_events_max || 1969 wmi_handle->wmi_events[event_id] == WMI_EVENT_ID_INVALID) { 1970 WMI_LOGE("Event id %d is unavailable", 1971 event_id); 1972 return QDF_STATUS_E_FAILURE; 1973 } 1974 evt_id = wmi_handle->wmi_events[event_id]; 1975 1976 idx = wmi_unified_get_event_handler_ix(wmi_handle, evt_id); 1977 if (idx == -1) { 1978 WMI_LOGE("event handler is not registered: evt id 0x%x", 1979 evt_id); 1980 return QDF_STATUS_E_FAILURE; 1981 } 1982 wmi_handle->event_handler[idx] = NULL; 1983 wmi_handle->event_id[idx] = 0; 1984 --soc->max_event_idx; 1985 wmi_handle->event_handler[idx] = 1986 wmi_handle->event_handler[soc->max_event_idx]; 1987 wmi_handle->event_id[idx] = 1988 wmi_handle->event_id[soc->max_event_idx]; 1989 1990 return 0; 1991 } 1992 qdf_export_symbol(wmi_unified_unregister_event_handler); 1993 1994 /** 1995 * wmi_process_fw_event_default_ctx() - process in default caller context 1996 * @wmi_handle: handle to wmi 1997 * @htc_packet: pointer to htc packet 1998 * @exec_ctx: execution context for wmi fw event 1999 * 2000 * Event process by below function will be in default caller context. 2001 * wmi internally provides rx work thread processing context. 2002 * 2003 * Return: none 2004 */ 2005 static void wmi_process_fw_event_default_ctx(struct wmi_unified *wmi_handle, 2006 HTC_PACKET *htc_packet, uint8_t exec_ctx) 2007 { 2008 wmi_buf_t evt_buf; 2009 evt_buf = (wmi_buf_t) htc_packet->pPktContext; 2010 2011 wmi_handle->rx_ops.wma_process_fw_event_handler_cbk 2012 (wmi_handle->scn_handle, evt_buf, exec_ctx); 2013 2014 return; 2015 } 2016 2017 void wmi_process_fw_event_worker_thread_ctx(struct wmi_unified *wmi_handle, 2018 void *evt_buf) 2019 { 2020 2021 qdf_spin_lock_bh(&wmi_handle->eventq_lock); 2022 qdf_nbuf_queue_add(&wmi_handle->event_queue, evt_buf); 2023 qdf_spin_unlock_bh(&wmi_handle->eventq_lock); 2024 qdf_queue_work(0, wmi_handle->wmi_rx_work_queue, 2025 &wmi_handle->rx_event_work); 2026 2027 return; 2028 } 2029 2030 qdf_export_symbol(wmi_process_fw_event_worker_thread_ctx); 2031 2032 /** 2033 * wmi_get_pdev_ep: Get wmi handle based on endpoint 2034 * @soc: handle to wmi soc 2035 * @ep: endpoint id 2036 * 2037 * Return: none 2038 */ 2039 static struct wmi_unified *wmi_get_pdev_ep(struct wmi_soc *soc, 2040 HTC_ENDPOINT_ID ep) 2041 { 2042 uint32_t i; 2043 2044 for (i = 0; i < WMI_MAX_RADIOS; i++) 2045 if (soc->wmi_endpoint_id[i] == ep) 2046 break; 2047 2048 if (i == WMI_MAX_RADIOS) 2049 return NULL; 2050 2051 return soc->wmi_pdev[i]; 2052 } 2053 2054 /** 2055 * wmi_mtrace_rx() - Wrappper function for qdf_mtrace api 2056 * @message_id: 32-Bit Wmi message ID 2057 * @vdev_id: Vdev ID 2058 * @data: Actual message contents 2059 * 2060 * This function converts the 32-bit WMI message ID in 15-bit message ID 2061 * format for qdf_mtrace as in qdf_mtrace message there are only 15 2062 * bits reserved for message ID. 2063 * out of these 15-bits, 8-bits (From LSB) specifies the WMI_GRP_ID 2064 * and remaining 7-bits specifies the actual WMI command. With this 2065 * notation there can be maximum 256 groups and each group can have 2066 * max 128 commands can be supported. 2067 * 2068 * Return: None 2069 */ 2070 static void wmi_mtrace_rx(uint32_t message_id, uint16_t vdev_id, uint32_t data) 2071 { 2072 uint16_t mtrace_message_id; 2073 2074 mtrace_message_id = QDF_WMI_MTRACE_CMD_ID(message_id) | 2075 (QDF_WMI_MTRACE_GRP_ID(message_id) << 2076 QDF_WMI_MTRACE_CMD_NUM_BITS); 2077 qdf_mtrace(QDF_MODULE_ID_WMI, QDF_MODULE_ID_WMA, 2078 mtrace_message_id, vdev_id, data); 2079 } 2080 2081 /** 2082 * wmi_control_rx() - process fw events callbacks 2083 * @ctx: handle to wmi 2084 * @htc_packet: pointer to htc packet 2085 * 2086 * Return: none 2087 */ 2088 static void wmi_control_rx(void *ctx, HTC_PACKET *htc_packet) 2089 { 2090 struct wmi_soc *soc = (struct wmi_soc *) ctx; 2091 struct wmi_unified *wmi_handle; 2092 wmi_buf_t evt_buf; 2093 uint32_t id; 2094 uint32_t idx = 0; 2095 enum wmi_rx_exec_ctx exec_ctx; 2096 2097 evt_buf = (wmi_buf_t) htc_packet->pPktContext; 2098 2099 wmi_handle = wmi_get_pdev_ep(soc, htc_packet->Endpoint); 2100 if (wmi_handle == NULL) { 2101 WMI_LOGE 2102 ("unable to get wmi_handle to Endpoint %d\n", 2103 htc_packet->Endpoint); 2104 qdf_nbuf_free(evt_buf); 2105 return; 2106 } 2107 2108 id = WMI_GET_FIELD(qdf_nbuf_data(evt_buf), WMI_CMD_HDR, COMMANDID); 2109 idx = wmi_unified_get_event_handler_ix(wmi_handle, id); 2110 if (qdf_unlikely(idx == A_ERROR)) { 2111 wmi_debug("no handler registered for event id 0x%x", id); 2112 qdf_nbuf_free(evt_buf); 2113 return; 2114 } 2115 wmi_mtrace_rx(id, 0xFF, idx); 2116 qdf_spin_lock_bh(&soc->ctx_lock); 2117 exec_ctx = wmi_handle->ctx[idx]; 2118 qdf_spin_unlock_bh(&soc->ctx_lock); 2119 2120 #ifdef WMI_INTERFACE_EVENT_LOGGING 2121 if (wmi_handle->log_info.wmi_logging_enable) { 2122 uint8_t *data; 2123 data = qdf_nbuf_data(evt_buf); 2124 2125 qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock); 2126 /* Exclude 4 bytes of TLV header */ 2127 if (wmi_handle->ops->is_diag_event(id)) { 2128 WMI_DIAG_RX_EVENT_RECORD(wmi_handle, id, 2129 ((uint8_t *) data + 2130 wmi_handle->soc->buf_offset_event)); 2131 } else if (wmi_handle->ops->is_management_record(id)) { 2132 WMI_MGMT_RX_EVENT_RECORD(wmi_handle, id, 2133 ((uint8_t *) data + 2134 wmi_handle->soc->buf_offset_event)); 2135 } else { 2136 WMI_RX_EVENT_RECORD(wmi_handle, id, ((uint8_t *) data + 2137 wmi_handle->soc->buf_offset_event)); 2138 } 2139 qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock); 2140 } 2141 #endif 2142 2143 if (exec_ctx == WMI_RX_WORK_CTX) { 2144 wmi_process_fw_event_worker_thread_ctx 2145 (wmi_handle, evt_buf); 2146 } else if (exec_ctx > WMI_RX_WORK_CTX) { 2147 wmi_process_fw_event_default_ctx 2148 (wmi_handle, htc_packet, exec_ctx); 2149 } else { 2150 WMI_LOGE("Invalid event context %d", exec_ctx); 2151 qdf_nbuf_free(evt_buf); 2152 } 2153 2154 } 2155 2156 /** 2157 * wmi_process_fw_event() - process any fw event 2158 * @wmi_handle: wmi handle 2159 * @evt_buf: fw event buffer 2160 * 2161 * This function process fw event in caller context 2162 * 2163 * Return: none 2164 */ 2165 void wmi_process_fw_event(struct wmi_unified *wmi_handle, wmi_buf_t evt_buf) 2166 { 2167 __wmi_control_rx(wmi_handle, evt_buf); 2168 } 2169 2170 /** 2171 * __wmi_control_rx() - process serialize wmi event callback 2172 * @wmi_handle: wmi handle 2173 * @evt_buf: fw event buffer 2174 * 2175 * Return: none 2176 */ 2177 void __wmi_control_rx(struct wmi_unified *wmi_handle, wmi_buf_t evt_buf) 2178 { 2179 uint32_t id; 2180 uint8_t *data; 2181 uint32_t len; 2182 void *wmi_cmd_struct_ptr = NULL; 2183 #ifndef WMI_NON_TLV_SUPPORT 2184 int tlv_ok_status = 0; 2185 #endif 2186 uint32_t idx = 0; 2187 2188 id = WMI_GET_FIELD(qdf_nbuf_data(evt_buf), WMI_CMD_HDR, COMMANDID); 2189 2190 wmi_ext_dbg_msg_event_record(wmi_handle, qdf_nbuf_data(evt_buf), 2191 qdf_nbuf_len(evt_buf)); 2192 2193 if (qdf_nbuf_pull_head(evt_buf, sizeof(WMI_CMD_HDR)) == NULL) 2194 goto end; 2195 2196 data = qdf_nbuf_data(evt_buf); 2197 len = qdf_nbuf_len(evt_buf); 2198 2199 #ifndef WMI_NON_TLV_SUPPORT 2200 if (wmi_handle->target_type == WMI_TLV_TARGET) { 2201 /* Validate and pad(if necessary) the TLVs */ 2202 tlv_ok_status = 2203 wmi_handle->ops->wmi_check_and_pad_event(wmi_handle->scn_handle, 2204 data, len, id, 2205 &wmi_cmd_struct_ptr); 2206 if (tlv_ok_status != 0) { 2207 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR, 2208 "%s: Error: id=0x%x, wmitlv check status=%d", 2209 __func__, id, tlv_ok_status); 2210 goto end; 2211 } 2212 } 2213 #endif 2214 2215 idx = wmi_unified_get_event_handler_ix(wmi_handle, id); 2216 if (idx == A_ERROR) { 2217 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR, 2218 "%s : event handler is not registered: event id 0x%x", 2219 __func__, id); 2220 goto end; 2221 } 2222 #ifdef WMI_INTERFACE_EVENT_LOGGING 2223 if (wmi_handle->log_info.wmi_logging_enable) { 2224 qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock); 2225 /* Exclude 4 bytes of TLV header */ 2226 if (wmi_handle->ops->is_diag_event(id)) { 2227 /* 2228 * skip diag event logging in WMI event buffer 2229 * as its already logged in WMI RX event buffer 2230 */ 2231 } else if (wmi_handle->ops->is_management_record(id)) { 2232 /* 2233 * skip wmi mgmt event logging in WMI event buffer 2234 * as its already logged in WMI RX event buffer 2235 */ 2236 } else { 2237 WMI_EVENT_RECORD(wmi_handle, id, ((uint8_t *) data + 2238 wmi_handle->soc->buf_offset_event)); 2239 } 2240 qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock); 2241 } 2242 #endif 2243 /* Call the WMI registered event handler */ 2244 if (wmi_handle->target_type == WMI_TLV_TARGET) 2245 wmi_handle->event_handler[idx] (wmi_handle->scn_handle, 2246 wmi_cmd_struct_ptr, len); 2247 else 2248 wmi_handle->event_handler[idx] (wmi_handle->scn_handle, 2249 data, len); 2250 2251 end: 2252 /* Free event buffer and allocated event tlv */ 2253 #ifndef WMI_NON_TLV_SUPPORT 2254 if (wmi_handle->target_type == WMI_TLV_TARGET) 2255 wmi_handle->ops->wmi_free_allocated_event(id, &wmi_cmd_struct_ptr); 2256 #endif 2257 2258 qdf_nbuf_free(evt_buf); 2259 2260 } 2261 2262 #define WMI_WQ_WD_TIMEOUT (30 * 1000) /* 30s */ 2263 2264 static inline void wmi_workqueue_watchdog_warn(uint32_t msg_type_id) 2265 { 2266 QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR, 2267 "%s: WLAN_BUG_RCA: Message type %x has exceeded its alloted time of %ds", 2268 __func__, msg_type_id, WMI_WQ_WD_TIMEOUT / 1000); 2269 } 2270 2271 #ifdef CONFIG_SLUB_DEBUG_ON 2272 static void wmi_workqueue_watchdog_bite(void *arg) 2273 { 2274 struct wmi_wq_dbg_info *info = arg; 2275 2276 wmi_workqueue_watchdog_warn(info->wd_msg_type_id); 2277 qdf_print_thread_trace(info->task); 2278 2279 QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR, 2280 "%s: Going down for WMI WQ Watchdog Bite!", __func__); 2281 QDF_BUG(0); 2282 } 2283 #else 2284 static inline void wmi_workqueue_watchdog_bite(void *arg) 2285 { 2286 struct wmi_wq_dbg_info *info = arg; 2287 2288 wmi_workqueue_watchdog_warn(info->wd_msg_type_id); 2289 } 2290 #endif 2291 2292 /** 2293 * wmi_rx_event_work() - process rx event in rx work queue context 2294 * @arg: opaque pointer to wmi handle 2295 * 2296 * This function process any fw event to serialize it through rx worker thread. 2297 * 2298 * Return: none 2299 */ 2300 static void wmi_rx_event_work(void *arg) 2301 { 2302 wmi_buf_t buf; 2303 struct wmi_unified *wmi = arg; 2304 qdf_timer_t wd_timer; 2305 struct wmi_wq_dbg_info info; 2306 2307 /* initialize WMI workqueue watchdog timer */ 2308 qdf_timer_init(NULL, &wd_timer, &wmi_workqueue_watchdog_bite, 2309 &info, QDF_TIMER_TYPE_SW); 2310 qdf_spin_lock_bh(&wmi->eventq_lock); 2311 buf = qdf_nbuf_queue_remove(&wmi->event_queue); 2312 qdf_spin_unlock_bh(&wmi->eventq_lock); 2313 while (buf) { 2314 qdf_timer_start(&wd_timer, WMI_WQ_WD_TIMEOUT); 2315 info.wd_msg_type_id = 2316 WMI_GET_FIELD(qdf_nbuf_data(buf), WMI_CMD_HDR, COMMANDID); 2317 info.wmi_wq = wmi->wmi_rx_work_queue; 2318 info.task = qdf_get_current_task(); 2319 __wmi_control_rx(wmi, buf); 2320 qdf_timer_stop(&wd_timer); 2321 qdf_spin_lock_bh(&wmi->eventq_lock); 2322 buf = qdf_nbuf_queue_remove(&wmi->event_queue); 2323 qdf_spin_unlock_bh(&wmi->eventq_lock); 2324 } 2325 qdf_timer_free(&wd_timer); 2326 } 2327 2328 #ifdef FEATURE_RUNTIME_PM 2329 /** 2330 * wmi_runtime_pm_init() - initialize runtime pm wmi variables 2331 * @wmi_handle: wmi context 2332 */ 2333 static void wmi_runtime_pm_init(struct wmi_unified *wmi_handle) 2334 { 2335 qdf_atomic_init(&wmi_handle->runtime_pm_inprogress); 2336 } 2337 2338 /** 2339 * wmi_set_runtime_pm_inprogress() - set runtime pm progress flag 2340 * @wmi_handle: wmi context 2341 * @val: runtime pm progress flag 2342 */ 2343 void wmi_set_runtime_pm_inprogress(wmi_unified_t wmi_handle, A_BOOL val) 2344 { 2345 qdf_atomic_set(&wmi_handle->runtime_pm_inprogress, val); 2346 } 2347 2348 /** 2349 * wmi_get_runtime_pm_inprogress() - get runtime pm progress flag 2350 * @wmi_handle: wmi context 2351 */ 2352 inline bool wmi_get_runtime_pm_inprogress(wmi_unified_t wmi_handle) 2353 { 2354 return qdf_atomic_read(&wmi_handle->runtime_pm_inprogress); 2355 } 2356 #else 2357 static void wmi_runtime_pm_init(struct wmi_unified *wmi_handle) 2358 { 2359 } 2360 #endif 2361 2362 /** 2363 * wmi_unified_get_soc_handle: Get WMI SoC handle 2364 * @param wmi_handle: WMI context got from wmi_attach 2365 * 2366 * return: Pointer to Soc handle 2367 */ 2368 void *wmi_unified_get_soc_handle(struct wmi_unified *wmi_handle) 2369 { 2370 return wmi_handle->soc; 2371 } 2372 2373 /** 2374 * wmi_interface_logging_init: Interface looging init 2375 * @param wmi_handle: Pointer to wmi handle object 2376 * 2377 * return: None 2378 */ 2379 #ifdef WMI_INTERFACE_EVENT_LOGGING 2380 static inline void wmi_interface_logging_init(struct wmi_unified *wmi_handle, 2381 uint32_t pdev_idx) 2382 { 2383 if (QDF_STATUS_SUCCESS == wmi_log_init(wmi_handle)) { 2384 qdf_spinlock_create(&wmi_handle->log_info.wmi_record_lock); 2385 wmi_debugfs_init(wmi_handle, pdev_idx); 2386 } 2387 } 2388 #else 2389 static inline void wmi_interface_logging_init(struct wmi_unified *wmi_handle, 2390 uint32_t pdev_idx) 2391 { 2392 } 2393 #endif 2394 2395 /** 2396 * wmi_target_params_init: Target specific params init 2397 * @param wmi_soc: Pointer to wmi soc object 2398 * @param wmi_handle: Pointer to wmi handle object 2399 * 2400 * return: None 2401 */ 2402 #ifndef CONFIG_MCL 2403 static inline void wmi_target_params_init(struct wmi_soc *soc, 2404 struct wmi_unified *wmi_handle) 2405 { 2406 wmi_handle->pdev_param = soc->pdev_param; 2407 wmi_handle->vdev_param = soc->vdev_param; 2408 wmi_handle->services = soc->services; 2409 } 2410 #else 2411 static inline void wmi_target_params_init(struct wmi_soc *soc, 2412 struct wmi_unified *wmi_handle) 2413 { 2414 wmi_handle->services = soc->services; 2415 } 2416 #endif 2417 2418 /** 2419 * wmi_unified_get_pdev_handle: Get WMI SoC handle 2420 * @param wmi_soc: Pointer to wmi soc object 2421 * @param pdev_idx: pdev index 2422 * 2423 * return: Pointer to wmi handle or NULL on failure 2424 */ 2425 void *wmi_unified_get_pdev_handle(struct wmi_soc *soc, uint32_t pdev_idx) 2426 { 2427 struct wmi_unified *wmi_handle; 2428 2429 if (pdev_idx >= WMI_MAX_RADIOS) 2430 return NULL; 2431 2432 if (soc->wmi_pdev[pdev_idx] == NULL) { 2433 wmi_handle = 2434 (struct wmi_unified *) qdf_mem_malloc( 2435 sizeof(struct wmi_unified)); 2436 if (!wmi_handle) 2437 return NULL; 2438 2439 wmi_handle->scn_handle = soc->scn_handle; 2440 wmi_handle->event_id = soc->event_id; 2441 wmi_handle->event_handler = soc->event_handler; 2442 wmi_handle->ctx = soc->ctx; 2443 wmi_handle->ops = soc->ops; 2444 qdf_spinlock_create(&wmi_handle->eventq_lock); 2445 qdf_nbuf_queue_init(&wmi_handle->event_queue); 2446 2447 qdf_create_work(0, &wmi_handle->rx_event_work, 2448 wmi_rx_event_work, wmi_handle); 2449 wmi_handle->wmi_rx_work_queue = 2450 qdf_alloc_unbound_workqueue("wmi_rx_event_work_queue"); 2451 if (NULL == wmi_handle->wmi_rx_work_queue) { 2452 WMI_LOGE("failed to create wmi_rx_event_work_queue"); 2453 goto error; 2454 } 2455 wmi_handle->wmi_events = soc->wmi_events; 2456 wmi_target_params_init(soc, wmi_handle); 2457 wmi_handle->soc = soc; 2458 wmi_interface_logging_init(wmi_handle, pdev_idx); 2459 qdf_atomic_init(&wmi_handle->pending_cmds); 2460 qdf_atomic_init(&wmi_handle->is_target_suspended); 2461 wmi_handle->target_type = soc->target_type; 2462 wmi_handle->wmi_max_cmds = soc->wmi_max_cmds; 2463 2464 soc->wmi_pdev[pdev_idx] = wmi_handle; 2465 } else 2466 wmi_handle = soc->wmi_pdev[pdev_idx]; 2467 2468 wmi_handle->wmi_stopinprogress = 0; 2469 wmi_handle->wmi_endpoint_id = soc->wmi_endpoint_id[pdev_idx]; 2470 wmi_handle->htc_handle = soc->htc_handle; 2471 wmi_handle->max_msg_len = soc->max_msg_len[pdev_idx]; 2472 2473 return wmi_handle; 2474 2475 error: 2476 qdf_mem_free(wmi_handle); 2477 2478 return NULL; 2479 } 2480 qdf_export_symbol(wmi_unified_get_pdev_handle); 2481 2482 static void (*wmi_attach_register[WMI_MAX_TARGET_TYPE])(wmi_unified_t); 2483 2484 void wmi_unified_register_module(enum wmi_target_type target_type, 2485 void (*wmi_attach)(wmi_unified_t wmi_handle)) 2486 { 2487 if (target_type < WMI_MAX_TARGET_TYPE) 2488 wmi_attach_register[target_type] = wmi_attach; 2489 2490 return; 2491 } 2492 qdf_export_symbol(wmi_unified_register_module); 2493 2494 /** 2495 * wmi_wbuff_register() - register wmi with wbuff 2496 * @wmi_handle: handle to wmi 2497 * 2498 * @Return: void 2499 */ 2500 static void wmi_wbuff_register(struct wmi_unified *wmi_handle) 2501 { 2502 struct wbuff_alloc_request wbuff_alloc[4]; 2503 2504 wbuff_alloc[0].slot = WBUFF_POOL_0; 2505 wbuff_alloc[0].size = WMI_WBUFF_POOL_0_SIZE; 2506 wbuff_alloc[1].slot = WBUFF_POOL_1; 2507 wbuff_alloc[1].size = WMI_WBUFF_POOL_1_SIZE; 2508 wbuff_alloc[2].slot = WBUFF_POOL_2; 2509 wbuff_alloc[2].size = WMI_WBUFF_POOL_2_SIZE; 2510 wbuff_alloc[3].slot = WBUFF_POOL_3; 2511 wbuff_alloc[3].size = WMI_WBUFF_POOL_3_SIZE; 2512 2513 wmi_handle->wbuff_handle = wbuff_module_register(wbuff_alloc, 4, 2514 WMI_MIN_HEAD_ROOM, 4); 2515 } 2516 2517 /** 2518 * wmi_wbuff_deregister() - deregister wmi with wbuff 2519 * @wmi_handle: handle to wmi 2520 * 2521 * @Return: void 2522 */ 2523 static inline void wmi_wbuff_deregister(struct wmi_unified *wmi_handle) 2524 { 2525 wbuff_module_deregister(wmi_handle->wbuff_handle); 2526 wmi_handle->wbuff_handle = NULL; 2527 } 2528 2529 /** 2530 * wmi_unified_attach() - attach for unified WMI 2531 * @scn_handle: handle to SCN 2532 * @osdev: OS device context 2533 * @target_type: TLV or not-TLV based target 2534 * @use_cookie: cookie based allocation enabled/disabled 2535 * @ops: umac rx callbacks 2536 * @psoc: objmgr psoc 2537 * 2538 * @Return: wmi handle. 2539 */ 2540 void *wmi_unified_attach(void *scn_handle, 2541 struct wmi_unified_attach_params *param) 2542 { 2543 struct wmi_unified *wmi_handle; 2544 struct wmi_soc *soc; 2545 2546 soc = (struct wmi_soc *) qdf_mem_malloc(sizeof(struct wmi_soc)); 2547 if (!soc) 2548 return NULL; 2549 2550 wmi_handle = 2551 (struct wmi_unified *) qdf_mem_malloc( 2552 sizeof(struct wmi_unified)); 2553 if (!wmi_handle) { 2554 qdf_mem_free(soc); 2555 return NULL; 2556 } 2557 wmi_handle->soc = soc; 2558 wmi_handle->soc->soc_idx = param->soc_id; 2559 wmi_handle->soc->is_async_ep = param->is_async_ep; 2560 wmi_handle->event_id = soc->event_id; 2561 wmi_handle->event_handler = soc->event_handler; 2562 wmi_handle->ctx = soc->ctx; 2563 wmi_handle->wmi_events = soc->wmi_events; 2564 wmi_target_params_init(soc, wmi_handle); 2565 wmi_handle->scn_handle = scn_handle; 2566 soc->scn_handle = scn_handle; 2567 qdf_atomic_init(&wmi_handle->pending_cmds); 2568 qdf_atomic_init(&wmi_handle->is_target_suspended); 2569 wmi_runtime_pm_init(wmi_handle); 2570 qdf_spinlock_create(&wmi_handle->eventq_lock); 2571 qdf_nbuf_queue_init(&wmi_handle->event_queue); 2572 qdf_create_work(0, &wmi_handle->rx_event_work, 2573 wmi_rx_event_work, wmi_handle); 2574 wmi_handle->wmi_rx_work_queue = 2575 qdf_alloc_unbound_workqueue("wmi_rx_event_work_queue"); 2576 if (NULL == wmi_handle->wmi_rx_work_queue) { 2577 WMI_LOGE("failed to create wmi_rx_event_work_queue"); 2578 goto error; 2579 } 2580 wmi_interface_logging_init(wmi_handle, WMI_HOST_PDEV_ID_0); 2581 /* Attach mc_thread context processing function */ 2582 wmi_handle->rx_ops.wma_process_fw_event_handler_cbk = 2583 param->rx_ops->wma_process_fw_event_handler_cbk; 2584 wmi_handle->target_type = param->target_type; 2585 soc->target_type = param->target_type; 2586 2587 if (param->target_type >= WMI_MAX_TARGET_TYPE) 2588 goto error; 2589 2590 if (wmi_attach_register[param->target_type]) { 2591 wmi_attach_register[param->target_type](wmi_handle); 2592 } else { 2593 WMI_LOGE("wmi attach is not registered"); 2594 goto error; 2595 } 2596 /* Assign target cookie capablity */ 2597 wmi_handle->use_cookie = param->use_cookie; 2598 wmi_handle->osdev = param->osdev; 2599 wmi_handle->wmi_stopinprogress = 0; 2600 wmi_handle->wmi_max_cmds = param->max_commands; 2601 soc->wmi_max_cmds = param->max_commands; 2602 /* Increase the ref count once refcount infra is present */ 2603 soc->wmi_psoc = param->psoc; 2604 qdf_spinlock_create(&soc->ctx_lock); 2605 2606 soc->ops = wmi_handle->ops; 2607 soc->wmi_pdev[0] = wmi_handle; 2608 if (wmi_ext_dbgfs_init(wmi_handle) != QDF_STATUS_SUCCESS) 2609 WMI_LOGE("failed to initialize wmi extended debugfs"); 2610 2611 wmi_wbuff_register(wmi_handle); 2612 2613 return wmi_handle; 2614 2615 error: 2616 qdf_mem_free(soc); 2617 qdf_mem_free(wmi_handle); 2618 2619 return NULL; 2620 } 2621 2622 /** 2623 * wmi_unified_detach() - detach for unified WMI 2624 * 2625 * @wmi_handle : handle to wmi. 2626 * 2627 * @Return: none. 2628 */ 2629 void wmi_unified_detach(struct wmi_unified *wmi_handle) 2630 { 2631 wmi_buf_t buf; 2632 struct wmi_soc *soc; 2633 uint8_t i; 2634 2635 wmi_wbuff_deregister(wmi_handle); 2636 2637 wmi_ext_dbgfs_deinit(wmi_handle); 2638 2639 soc = wmi_handle->soc; 2640 for (i = 0; i < WMI_MAX_RADIOS; i++) { 2641 if (soc->wmi_pdev[i]) { 2642 qdf_flush_workqueue(0, 2643 soc->wmi_pdev[i]->wmi_rx_work_queue); 2644 qdf_destroy_workqueue(0, 2645 soc->wmi_pdev[i]->wmi_rx_work_queue); 2646 wmi_debugfs_remove(soc->wmi_pdev[i]); 2647 buf = qdf_nbuf_queue_remove( 2648 &soc->wmi_pdev[i]->event_queue); 2649 while (buf) { 2650 qdf_nbuf_free(buf); 2651 buf = qdf_nbuf_queue_remove( 2652 &soc->wmi_pdev[i]->event_queue); 2653 } 2654 2655 wmi_log_buffer_free(soc->wmi_pdev[i]); 2656 2657 /* Free events logs list */ 2658 if (soc->wmi_pdev[i]->events_logs_list) 2659 qdf_mem_free( 2660 soc->wmi_pdev[i]->events_logs_list); 2661 2662 qdf_spinlock_destroy(&soc->wmi_pdev[i]->eventq_lock); 2663 qdf_mem_free(soc->wmi_pdev[i]); 2664 } 2665 } 2666 qdf_spinlock_destroy(&soc->ctx_lock); 2667 2668 if (soc->wmi_service_bitmap) { 2669 qdf_mem_free(soc->wmi_service_bitmap); 2670 soc->wmi_service_bitmap = NULL; 2671 } 2672 2673 if (soc->wmi_ext_service_bitmap) { 2674 qdf_mem_free(soc->wmi_ext_service_bitmap); 2675 soc->wmi_ext_service_bitmap = NULL; 2676 } 2677 2678 /* Decrease the ref count once refcount infra is present */ 2679 soc->wmi_psoc = NULL; 2680 qdf_mem_free(soc); 2681 } 2682 2683 /** 2684 * wmi_unified_remove_work() - detach for WMI work 2685 * @wmi_handle: handle to WMI 2686 * 2687 * A function that does not fully detach WMI, but just remove work 2688 * queue items associated with it. This is used to make sure that 2689 * before any other processing code that may destroy related contexts 2690 * (HTC, etc), work queue processing on WMI has already been stopped. 2691 * 2692 * Return: None 2693 */ 2694 void 2695 wmi_unified_remove_work(struct wmi_unified *wmi_handle) 2696 { 2697 wmi_buf_t buf; 2698 2699 qdf_flush_workqueue(0, wmi_handle->wmi_rx_work_queue); 2700 qdf_spin_lock_bh(&wmi_handle->eventq_lock); 2701 buf = qdf_nbuf_queue_remove(&wmi_handle->event_queue); 2702 while (buf) { 2703 qdf_nbuf_free(buf); 2704 buf = qdf_nbuf_queue_remove(&wmi_handle->event_queue); 2705 } 2706 qdf_spin_unlock_bh(&wmi_handle->eventq_lock); 2707 } 2708 2709 /** 2710 * wmi_htc_tx_complete() - Process htc tx completion 2711 * 2712 * @ctx: handle to wmi 2713 * @htc_packet: pointer to htc packet 2714 * 2715 * @Return: none. 2716 */ 2717 static void wmi_htc_tx_complete(void *ctx, HTC_PACKET *htc_pkt) 2718 { 2719 struct wmi_soc *soc = (struct wmi_soc *) ctx; 2720 wmi_buf_t wmi_cmd_buf = GET_HTC_PACKET_NET_BUF_CONTEXT(htc_pkt); 2721 u_int8_t *buf_ptr; 2722 u_int32_t len; 2723 struct wmi_unified *wmi_handle; 2724 #ifdef WMI_INTERFACE_EVENT_LOGGING 2725 uint32_t cmd_id; 2726 #endif 2727 2728 ASSERT(wmi_cmd_buf); 2729 wmi_handle = wmi_get_pdev_ep(soc, htc_pkt->Endpoint); 2730 if (wmi_handle == NULL) { 2731 WMI_LOGE("%s: Unable to get wmi handle\n", __func__); 2732 QDF_ASSERT(0); 2733 return; 2734 } 2735 #ifdef WMI_INTERFACE_EVENT_LOGGING 2736 if (wmi_handle && wmi_handle->log_info.wmi_logging_enable) { 2737 cmd_id = WMI_GET_FIELD(qdf_nbuf_data(wmi_cmd_buf), 2738 WMI_CMD_HDR, COMMANDID); 2739 2740 qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock); 2741 /* Record 16 bytes of WMI cmd tx complete data 2742 - exclude TLV and WMI headers */ 2743 if (wmi_handle->ops->is_management_record(cmd_id)) { 2744 WMI_MGMT_COMMAND_TX_CMP_RECORD(wmi_handle, cmd_id, 2745 qdf_nbuf_data(wmi_cmd_buf) + 2746 wmi_handle->soc->buf_offset_command); 2747 } else { 2748 WMI_COMMAND_TX_CMP_RECORD(wmi_handle, cmd_id, 2749 qdf_nbuf_data(wmi_cmd_buf) + 2750 wmi_handle->soc->buf_offset_command); 2751 } 2752 2753 qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock); 2754 } 2755 #endif 2756 buf_ptr = (u_int8_t *) wmi_buf_data(wmi_cmd_buf); 2757 len = qdf_nbuf_len(wmi_cmd_buf); 2758 qdf_mem_zero(buf_ptr, len); 2759 wmi_buf_free(wmi_cmd_buf); 2760 qdf_mem_free(htc_pkt); 2761 qdf_atomic_dec(&wmi_handle->pending_cmds); 2762 } 2763 2764 /** 2765 * wmi_connect_pdev_htc_service() - WMI API to get connect to HTC service 2766 * 2767 * @wmi_handle: handle to WMI. 2768 * @pdev_idx: Pdev index 2769 * 2770 * @Return: QDF_STATUS 2771 */ 2772 static QDF_STATUS wmi_connect_pdev_htc_service(struct wmi_soc *soc, 2773 uint32_t pdev_idx) 2774 { 2775 QDF_STATUS status; 2776 struct htc_service_connect_resp response; 2777 struct htc_service_connect_req connect; 2778 2779 OS_MEMZERO(&connect, sizeof(connect)); 2780 OS_MEMZERO(&response, sizeof(response)); 2781 2782 /* meta data is unused for now */ 2783 connect.pMetaData = NULL; 2784 connect.MetaDataLength = 0; 2785 /* these fields are the same for all service endpoints */ 2786 connect.EpCallbacks.pContext = soc; 2787 connect.EpCallbacks.EpTxCompleteMultiple = 2788 NULL /* Control path completion ar6000_tx_complete */; 2789 connect.EpCallbacks.EpRecv = wmi_control_rx /* Control path rx */; 2790 connect.EpCallbacks.EpRecvRefill = NULL /* ar6000_rx_refill */; 2791 connect.EpCallbacks.EpSendFull = NULL /* ar6000_tx_queue_full */; 2792 connect.EpCallbacks.EpTxComplete = 2793 wmi_htc_tx_complete /* ar6000_tx_queue_full */; 2794 2795 /* connect to control service */ 2796 connect.service_id = soc->svc_ids[pdev_idx]; 2797 status = htc_connect_service(soc->htc_handle, &connect, &response); 2798 2799 if (QDF_IS_STATUS_ERROR(status)) { 2800 WMI_LOGE("Failed to connect to WMI CONTROL service status:%d\n", 2801 status); 2802 return status; 2803 } 2804 2805 if (soc->is_async_ep) 2806 htc_set_async_ep(soc->htc_handle, response.Endpoint, true); 2807 2808 soc->wmi_endpoint_id[pdev_idx] = response.Endpoint; 2809 soc->max_msg_len[pdev_idx] = response.MaxMsgLength; 2810 2811 return QDF_STATUS_SUCCESS; 2812 } 2813 2814 /** 2815 * wmi_unified_connect_htc_service() - WMI API to get connect to HTC service 2816 * 2817 * @wmi_handle: handle to WMI. 2818 * 2819 * @Return: status. 2820 */ 2821 QDF_STATUS 2822 wmi_unified_connect_htc_service(struct wmi_unified *wmi_handle, 2823 void *htc_handle) 2824 { 2825 uint32_t i; 2826 uint8_t wmi_ep_count; 2827 2828 wmi_handle->soc->htc_handle = htc_handle; 2829 2830 wmi_ep_count = htc_get_wmi_endpoint_count(htc_handle); 2831 if (wmi_ep_count > WMI_MAX_RADIOS) 2832 return QDF_STATUS_E_FAULT; 2833 2834 for (i = 0; i < wmi_ep_count; i++) 2835 wmi_connect_pdev_htc_service(wmi_handle->soc, i); 2836 2837 wmi_handle->htc_handle = htc_handle; 2838 wmi_handle->wmi_endpoint_id = wmi_handle->soc->wmi_endpoint_id[0]; 2839 wmi_handle->max_msg_len = wmi_handle->soc->max_msg_len[0]; 2840 2841 return QDF_STATUS_SUCCESS; 2842 } 2843 2844 /** 2845 * wmi_get_host_credits() - WMI API to get updated host_credits 2846 * 2847 * @wmi_handle: handle to WMI. 2848 * 2849 * @Return: updated host_credits. 2850 */ 2851 int wmi_get_host_credits(wmi_unified_t wmi_handle) 2852 { 2853 int host_credits = 0; 2854 2855 htc_get_control_endpoint_tx_host_credits(wmi_handle->htc_handle, 2856 &host_credits); 2857 return host_credits; 2858 } 2859 2860 /** 2861 * wmi_get_pending_cmds() - WMI API to get WMI Pending Commands in the HTC 2862 * queue 2863 * 2864 * @wmi_handle: handle to WMI. 2865 * 2866 * @Return: Pending Commands in the HTC queue. 2867 */ 2868 int wmi_get_pending_cmds(wmi_unified_t wmi_handle) 2869 { 2870 return qdf_atomic_read(&wmi_handle->pending_cmds); 2871 } 2872 2873 /** 2874 * wmi_set_target_suspend() - WMI API to set target suspend state 2875 * 2876 * @wmi_handle: handle to WMI. 2877 * @val: suspend state boolean. 2878 * 2879 * @Return: none. 2880 */ 2881 void wmi_set_target_suspend(wmi_unified_t wmi_handle, A_BOOL val) 2882 { 2883 qdf_atomic_set(&wmi_handle->is_target_suspended, val); 2884 } 2885 2886 /** 2887 * WMI API to set crash injection state 2888 * @param wmi_handle: handle to WMI. 2889 * @param val: crash injection state boolean. 2890 */ 2891 void wmi_tag_crash_inject(wmi_unified_t wmi_handle, A_BOOL flag) 2892 { 2893 wmi_handle->tag_crash_inject = flag; 2894 } 2895 2896 /** 2897 * WMI API to set bus suspend state 2898 * @param wmi_handle: handle to WMI. 2899 * @param val: suspend state boolean. 2900 */ 2901 void wmi_set_is_wow_bus_suspended(wmi_unified_t wmi_handle, A_BOOL val) 2902 { 2903 qdf_atomic_set(&wmi_handle->is_wow_bus_suspended, val); 2904 } 2905 2906 void wmi_set_tgt_assert(wmi_unified_t wmi_handle, bool val) 2907 { 2908 wmi_handle->tgt_force_assert_enable = val; 2909 } 2910 2911 /** 2912 * wmi_stop() - generic function to block unified WMI command 2913 * @wmi_handle: handle to WMI. 2914 * 2915 * @Return: success always. 2916 */ 2917 int 2918 wmi_stop(wmi_unified_t wmi_handle) 2919 { 2920 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_INFO, 2921 "WMI Stop"); 2922 wmi_handle->wmi_stopinprogress = 1; 2923 return 0; 2924 } 2925 2926 #ifndef CONFIG_MCL 2927 /** 2928 * API to flush all the previous packets associated with the wmi endpoint 2929 * 2930 * @param wmi_handle : handle to WMI. 2931 */ 2932 void 2933 wmi_flush_endpoint(wmi_unified_t wmi_handle) 2934 { 2935 htc_flush_endpoint(wmi_handle->htc_handle, 2936 wmi_handle->wmi_endpoint_id, 0); 2937 } 2938 qdf_export_symbol(wmi_flush_endpoint); 2939 2940 /** 2941 * wmi_pdev_id_conversion_enable() - API to enable pdev_id conversion in WMI 2942 * By default pdev_id conversion is not done in WMI. 2943 * This API can be used enable conversion in WMI. 2944 * @param wmi_handle : handle to WMI 2945 * Return none 2946 */ 2947 void wmi_pdev_id_conversion_enable(wmi_unified_t wmi_handle) 2948 { 2949 if (wmi_handle->target_type == WMI_TLV_TARGET) 2950 wmi_handle->ops->wmi_pdev_id_conversion_enable(wmi_handle); 2951 } 2952 2953 #endif 2954