1 /* 2 * Copyright (c) 2015-2018 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 WMI_LOGE("no memory for WMI command log buffer.."); 717 return QDF_STATUS_E_NOMEM; 718 } 719 cmd_log_buf->p_buf_tail_idx = &cmd_log_buf->buf_tail_idx; 720 721 /* WMI commands TX completed */ 722 cmd_tx_cmpl_log_buf->length = 0; 723 cmd_tx_cmpl_log_buf->buf_tail_idx = 0; 724 cmd_tx_cmpl_log_buf->buf = (struct wmi_command_debug *) qdf_mem_malloc( 725 wmi_log_max_entry * sizeof(struct wmi_command_debug)); 726 cmd_tx_cmpl_log_buf->size = wmi_log_max_entry; 727 728 if (!cmd_tx_cmpl_log_buf->buf) { 729 WMI_LOGE("no memory for WMI Command Tx Complete log buffer.."); 730 return QDF_STATUS_E_NOMEM; 731 } 732 cmd_tx_cmpl_log_buf->p_buf_tail_idx = 733 &cmd_tx_cmpl_log_buf->buf_tail_idx; 734 735 /* WMI events when processed */ 736 event_log_buf->length = 0; 737 event_log_buf->buf_tail_idx = 0; 738 event_log_buf->buf = (struct wmi_event_debug *) qdf_mem_malloc( 739 wmi_log_max_entry * sizeof(struct wmi_event_debug)); 740 event_log_buf->size = wmi_log_max_entry; 741 742 if (!event_log_buf->buf) { 743 WMI_LOGE("no memory for WMI Event log buffer.."); 744 return QDF_STATUS_E_NOMEM; 745 } 746 event_log_buf->p_buf_tail_idx = &event_log_buf->buf_tail_idx; 747 748 /* WMI events when queued */ 749 rx_event_log_buf->length = 0; 750 rx_event_log_buf->buf_tail_idx = 0; 751 rx_event_log_buf->buf = (struct wmi_event_debug *) qdf_mem_malloc( 752 wmi_log_max_entry * sizeof(struct wmi_event_debug)); 753 rx_event_log_buf->size = wmi_log_max_entry; 754 755 if (!rx_event_log_buf->buf) { 756 WMI_LOGE("no memory for WMI Event Rx log buffer.."); 757 return QDF_STATUS_E_NOMEM; 758 } 759 rx_event_log_buf->p_buf_tail_idx = &rx_event_log_buf->buf_tail_idx; 760 761 /* WMI Management commands */ 762 mgmt_cmd_log_buf->length = 0; 763 mgmt_cmd_log_buf->buf_tail_idx = 0; 764 mgmt_cmd_log_buf->buf = (struct wmi_command_debug *) qdf_mem_malloc( 765 wmi_mgmt_log_max_entry * sizeof(struct wmi_command_debug)); 766 mgmt_cmd_log_buf->size = wmi_mgmt_log_max_entry; 767 768 if (!mgmt_cmd_log_buf->buf) { 769 WMI_LOGE("no memory for WMI Management Command log buffer.."); 770 return QDF_STATUS_E_NOMEM; 771 } 772 mgmt_cmd_log_buf->p_buf_tail_idx = &mgmt_cmd_log_buf->buf_tail_idx; 773 774 /* WMI Management commands Tx completed*/ 775 mgmt_cmd_tx_cmp_log_buf->length = 0; 776 mgmt_cmd_tx_cmp_log_buf->buf_tail_idx = 0; 777 mgmt_cmd_tx_cmp_log_buf->buf = (struct wmi_command_debug *) 778 qdf_mem_malloc( 779 wmi_mgmt_log_max_entry * 780 sizeof(struct wmi_command_debug)); 781 mgmt_cmd_tx_cmp_log_buf->size = wmi_mgmt_log_max_entry; 782 783 if (!mgmt_cmd_tx_cmp_log_buf->buf) { 784 WMI_LOGE("no memory for WMI Management Command Tx complete log buffer.."); 785 return QDF_STATUS_E_NOMEM; 786 } 787 mgmt_cmd_tx_cmp_log_buf->p_buf_tail_idx = 788 &mgmt_cmd_tx_cmp_log_buf->buf_tail_idx; 789 790 /* WMI Management events when received */ 791 mgmt_event_log_buf->length = 0; 792 mgmt_event_log_buf->buf_tail_idx = 0; 793 794 mgmt_event_log_buf->buf = (struct wmi_event_debug *) qdf_mem_malloc( 795 wmi_mgmt_log_max_entry * 796 sizeof(struct wmi_event_debug)); 797 mgmt_event_log_buf->size = wmi_mgmt_log_max_entry; 798 799 if (!mgmt_event_log_buf->buf) { 800 WMI_LOGE("no memory for WMI Management Event log buffer.."); 801 return QDF_STATUS_E_NOMEM; 802 } 803 mgmt_event_log_buf->p_buf_tail_idx = &mgmt_event_log_buf->buf_tail_idx; 804 805 /* WMI diag events when received */ 806 diag_event_log_buf->length = 0; 807 diag_event_log_buf->buf_tail_idx = 0; 808 809 diag_event_log_buf->buf = (struct wmi_event_debug *) qdf_mem_malloc( 810 wmi_diag_log_max_entry * 811 sizeof(struct wmi_event_debug)); 812 diag_event_log_buf->size = wmi_diag_log_max_entry; 813 814 if (!diag_event_log_buf->buf) { 815 qdf_print("no memory for WMI diag event log buffer..\n"); 816 return QDF_STATUS_E_NOMEM; 817 } 818 diag_event_log_buf->p_buf_tail_idx = &diag_event_log_buf->buf_tail_idx; 819 820 qdf_spinlock_create(&wmi_handle->log_info.wmi_record_lock); 821 wmi_handle->log_info.wmi_logging_enable = 1; 822 823 return QDF_STATUS_SUCCESS; 824 } 825 #endif 826 827 /** 828 * wmi_log_buffer_free() - Free all dynamic allocated buffer memory for 829 * event logging 830 * @wmi_handle: WMI handle. 831 * 832 * Return: None 833 */ 834 #ifndef CONFIG_MCL 835 static inline void wmi_log_buffer_free(struct wmi_unified *wmi_handle) 836 { 837 if (wmi_handle->log_info.wmi_command_log_buf_info.buf) 838 qdf_mem_free(wmi_handle->log_info.wmi_command_log_buf_info.buf); 839 if (wmi_handle->log_info.wmi_command_tx_cmp_log_buf_info.buf) 840 qdf_mem_free( 841 wmi_handle->log_info.wmi_command_tx_cmp_log_buf_info.buf); 842 if (wmi_handle->log_info.wmi_event_log_buf_info.buf) 843 qdf_mem_free(wmi_handle->log_info.wmi_event_log_buf_info.buf); 844 if (wmi_handle->log_info.wmi_rx_event_log_buf_info.buf) 845 qdf_mem_free( 846 wmi_handle->log_info.wmi_rx_event_log_buf_info.buf); 847 if (wmi_handle->log_info.wmi_mgmt_command_log_buf_info.buf) 848 qdf_mem_free( 849 wmi_handle->log_info.wmi_mgmt_command_log_buf_info.buf); 850 if (wmi_handle->log_info.wmi_mgmt_command_tx_cmp_log_buf_info.buf) 851 qdf_mem_free( 852 wmi_handle->log_info.wmi_mgmt_command_tx_cmp_log_buf_info.buf); 853 if (wmi_handle->log_info.wmi_mgmt_event_log_buf_info.buf) 854 qdf_mem_free( 855 wmi_handle->log_info.wmi_mgmt_event_log_buf_info.buf); 856 if (wmi_handle->log_info.wmi_diag_event_log_buf_info.buf) 857 qdf_mem_free( 858 wmi_handle->log_info.wmi_diag_event_log_buf_info.buf); 859 wmi_handle->log_info.wmi_logging_enable = 0; 860 qdf_spinlock_destroy(&wmi_handle->log_info.wmi_record_lock); 861 } 862 #else 863 static inline void wmi_log_buffer_free(struct wmi_unified *wmi_handle) 864 { 865 /* Do Nothing */ 866 } 867 #endif 868 869 /** 870 * wmi_print_cmd_log_buffer() - an output agnostic wmi command log printer 871 * @log_buffer: the command log buffer metadata of the buffer to print 872 * @count: the maximum number of entries to print 873 * @print: an abstract print method, e.g. a qdf_print() or seq_printf() wrapper 874 * @print_priv: any data required by the print method, e.g. a file handle 875 * 876 * Return: None 877 */ 878 static void 879 wmi_print_cmd_log_buffer(struct wmi_log_buf_t *log_buffer, uint32_t count, 880 qdf_abstract_print *print, void *print_priv) 881 { 882 static const int data_len = 883 WMI_EVENT_DEBUG_ENTRY_MAX_LENGTH / sizeof(uint32_t); 884 char str[128]; 885 uint32_t idx; 886 887 if (count > log_buffer->size) 888 count = log_buffer->size; 889 if (count > log_buffer->length) 890 count = log_buffer->length; 891 892 /* subtract count from index, and wrap if necessary */ 893 idx = log_buffer->size + *log_buffer->p_buf_tail_idx - count; 894 idx %= log_buffer->size; 895 896 print(print_priv, "Time (seconds) Cmd Id Payload"); 897 while (count) { 898 struct wmi_command_debug *cmd_log = (struct wmi_command_debug *) 899 &((struct wmi_command_debug *)log_buffer->buf)[idx]; 900 uint64_t secs, usecs; 901 int len = 0; 902 int i; 903 904 qdf_log_timestamp_to_secs(cmd_log->time, &secs, &usecs); 905 len += scnprintf(str + len, sizeof(str) - len, 906 "% 8lld.%06lld %6u (0x%06x) ", 907 secs, usecs, 908 cmd_log->command, cmd_log->command); 909 for (i = 0; i < data_len; ++i) { 910 len += scnprintf(str + len, sizeof(str) - len, 911 "0x%08x ", cmd_log->data[i]); 912 } 913 914 print(print_priv, str); 915 916 --count; 917 ++idx; 918 if (idx >= log_buffer->size) 919 idx = 0; 920 } 921 } 922 923 /** 924 * wmi_print_event_log_buffer() - an output agnostic wmi event log printer 925 * @log_buffer: the event log buffer metadata of the buffer to print 926 * @count: the maximum number of entries to print 927 * @print: an abstract print method, e.g. a qdf_print() or seq_printf() wrapper 928 * @print_priv: any data required by the print method, e.g. a file handle 929 * 930 * Return: None 931 */ 932 static void 933 wmi_print_event_log_buffer(struct wmi_log_buf_t *log_buffer, uint32_t count, 934 qdf_abstract_print *print, void *print_priv) 935 { 936 static const int data_len = 937 WMI_EVENT_DEBUG_ENTRY_MAX_LENGTH / sizeof(uint32_t); 938 char str[128]; 939 uint32_t idx; 940 941 if (count > log_buffer->size) 942 count = log_buffer->size; 943 if (count > log_buffer->length) 944 count = log_buffer->length; 945 946 /* subtract count from index, and wrap if necessary */ 947 idx = log_buffer->size + *log_buffer->p_buf_tail_idx - count; 948 idx %= log_buffer->size; 949 950 print(print_priv, "Time (seconds) Event Id Payload"); 951 while (count) { 952 struct wmi_event_debug *event_log = (struct wmi_event_debug *) 953 &((struct wmi_event_debug *)log_buffer->buf)[idx]; 954 uint64_t secs, usecs; 955 int len = 0; 956 int i; 957 958 qdf_log_timestamp_to_secs(event_log->time, &secs, &usecs); 959 len += scnprintf(str + len, sizeof(str) - len, 960 "% 8lld.%06lld %6u (0x%06x) ", 961 secs, usecs, 962 event_log->event, event_log->event); 963 for (i = 0; i < data_len; ++i) { 964 len += scnprintf(str + len, sizeof(str) - len, 965 "0x%08x ", event_log->data[i]); 966 } 967 968 print(print_priv, str); 969 970 --count; 971 ++idx; 972 if (idx >= log_buffer->size) 973 idx = 0; 974 } 975 } 976 977 inline void 978 wmi_print_cmd_log(wmi_unified_t wmi, uint32_t count, 979 qdf_abstract_print *print, void *print_priv) 980 { 981 wmi_print_cmd_log_buffer( 982 &wmi->log_info.wmi_command_log_buf_info, 983 count, print, print_priv); 984 } 985 986 inline void 987 wmi_print_cmd_tx_cmp_log(wmi_unified_t wmi, uint32_t count, 988 qdf_abstract_print *print, void *print_priv) 989 { 990 wmi_print_cmd_log_buffer( 991 &wmi->log_info.wmi_command_tx_cmp_log_buf_info, 992 count, print, print_priv); 993 } 994 995 inline void 996 wmi_print_mgmt_cmd_log(wmi_unified_t wmi, uint32_t count, 997 qdf_abstract_print *print, void *print_priv) 998 { 999 wmi_print_cmd_log_buffer( 1000 &wmi->log_info.wmi_mgmt_command_log_buf_info, 1001 count, print, print_priv); 1002 } 1003 1004 inline void 1005 wmi_print_mgmt_cmd_tx_cmp_log(wmi_unified_t wmi, uint32_t count, 1006 qdf_abstract_print *print, void *print_priv) 1007 { 1008 wmi_print_cmd_log_buffer( 1009 &wmi->log_info.wmi_mgmt_command_tx_cmp_log_buf_info, 1010 count, print, print_priv); 1011 } 1012 1013 inline void 1014 wmi_print_event_log(wmi_unified_t wmi, uint32_t count, 1015 qdf_abstract_print *print, void *print_priv) 1016 { 1017 wmi_print_event_log_buffer( 1018 &wmi->log_info.wmi_event_log_buf_info, 1019 count, print, print_priv); 1020 } 1021 1022 inline void 1023 wmi_print_rx_event_log(wmi_unified_t wmi, uint32_t count, 1024 qdf_abstract_print *print, void *print_priv) 1025 { 1026 wmi_print_event_log_buffer( 1027 &wmi->log_info.wmi_rx_event_log_buf_info, 1028 count, print, print_priv); 1029 } 1030 1031 inline void 1032 wmi_print_mgmt_event_log(wmi_unified_t wmi, uint32_t count, 1033 qdf_abstract_print *print, void *print_priv) 1034 { 1035 wmi_print_event_log_buffer( 1036 &wmi->log_info.wmi_mgmt_event_log_buf_info, 1037 count, print, print_priv); 1038 } 1039 1040 1041 /* debugfs routines*/ 1042 1043 /** 1044 * debug_wmi_##func_base##_show() - debugfs functions to display content of 1045 * command and event buffers. Macro uses max buffer length to display 1046 * buffer when it is wraparound. 1047 * 1048 * @m: debugfs handler to access wmi_handle 1049 * @v: Variable arguments (not used) 1050 * 1051 * Return: Length of characters printed 1052 */ 1053 #define GENERATE_COMMAND_DEBUG_SHOW_FUNCS(func_base, wmi_ring_size) \ 1054 static int debug_wmi_##func_base##_show(struct seq_file *m, \ 1055 void *v) \ 1056 { \ 1057 wmi_unified_t wmi_handle = (wmi_unified_t) m->private; \ 1058 struct wmi_log_buf_t *wmi_log = \ 1059 &wmi_handle->log_info.wmi_##func_base##_buf_info;\ 1060 int pos, nread, outlen; \ 1061 int i; \ 1062 uint64_t secs, usecs; \ 1063 \ 1064 qdf_spin_lock(&wmi_handle->log_info.wmi_record_lock); \ 1065 if (!wmi_log->length) { \ 1066 qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock);\ 1067 return wmi_bp_seq_printf(m, \ 1068 "no elements to read from ring buffer!\n"); \ 1069 } \ 1070 \ 1071 if (wmi_log->length <= wmi_ring_size) \ 1072 nread = wmi_log->length; \ 1073 else \ 1074 nread = wmi_ring_size; \ 1075 \ 1076 if (*(wmi_log->p_buf_tail_idx) == 0) \ 1077 /* tail can be 0 after wrap-around */ \ 1078 pos = wmi_ring_size - 1; \ 1079 else \ 1080 pos = *(wmi_log->p_buf_tail_idx) - 1; \ 1081 \ 1082 outlen = wmi_bp_seq_printf(m, "Length = %d\n", wmi_log->length);\ 1083 qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock); \ 1084 while (nread--) { \ 1085 struct wmi_command_debug *wmi_record; \ 1086 \ 1087 wmi_record = (struct wmi_command_debug *) \ 1088 &(((struct wmi_command_debug *)wmi_log->buf)[pos]);\ 1089 outlen += wmi_bp_seq_printf(m, "CMD ID = %x\n", \ 1090 (wmi_record->command)); \ 1091 qdf_log_timestamp_to_secs(wmi_record->time, &secs,\ 1092 &usecs); \ 1093 outlen += \ 1094 wmi_bp_seq_printf(m, "CMD TIME = [%llu.%06llu]\n",\ 1095 secs, usecs); \ 1096 outlen += wmi_bp_seq_printf(m, "CMD = "); \ 1097 for (i = 0; i < (wmi_record_max_length/ \ 1098 sizeof(uint32_t)); i++) \ 1099 outlen += wmi_bp_seq_printf(m, "%x ", \ 1100 wmi_record->data[i]); \ 1101 outlen += wmi_bp_seq_printf(m, "\n"); \ 1102 \ 1103 if (pos == 0) \ 1104 pos = wmi_ring_size - 1; \ 1105 else \ 1106 pos--; \ 1107 } \ 1108 return outlen; \ 1109 } \ 1110 1111 #define GENERATE_EVENT_DEBUG_SHOW_FUNCS(func_base, wmi_ring_size) \ 1112 static int debug_wmi_##func_base##_show(struct seq_file *m, \ 1113 void *v) \ 1114 { \ 1115 wmi_unified_t wmi_handle = (wmi_unified_t) m->private; \ 1116 struct wmi_log_buf_t *wmi_log = \ 1117 &wmi_handle->log_info.wmi_##func_base##_buf_info;\ 1118 int pos, nread, outlen; \ 1119 int i; \ 1120 uint64_t secs, usecs; \ 1121 \ 1122 qdf_spin_lock(&wmi_handle->log_info.wmi_record_lock); \ 1123 if (!wmi_log->length) { \ 1124 qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock);\ 1125 return wmi_bp_seq_printf(m, \ 1126 "no elements to read from ring buffer!\n"); \ 1127 } \ 1128 \ 1129 if (wmi_log->length <= wmi_ring_size) \ 1130 nread = wmi_log->length; \ 1131 else \ 1132 nread = wmi_ring_size; \ 1133 \ 1134 if (*(wmi_log->p_buf_tail_idx) == 0) \ 1135 /* tail can be 0 after wrap-around */ \ 1136 pos = wmi_ring_size - 1; \ 1137 else \ 1138 pos = *(wmi_log->p_buf_tail_idx) - 1; \ 1139 \ 1140 outlen = wmi_bp_seq_printf(m, "Length = %d\n", wmi_log->length);\ 1141 qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock); \ 1142 while (nread--) { \ 1143 struct wmi_event_debug *wmi_record; \ 1144 \ 1145 wmi_record = (struct wmi_event_debug *) \ 1146 &(((struct wmi_event_debug *)wmi_log->buf)[pos]);\ 1147 qdf_log_timestamp_to_secs(wmi_record->time, &secs,\ 1148 &usecs); \ 1149 outlen += wmi_bp_seq_printf(m, "Event ID = %x\n",\ 1150 (wmi_record->event)); \ 1151 outlen += \ 1152 wmi_bp_seq_printf(m, "Event TIME = [%llu.%06llu]\n",\ 1153 secs, usecs); \ 1154 outlen += wmi_bp_seq_printf(m, "CMD = "); \ 1155 for (i = 0; i < (wmi_record_max_length/ \ 1156 sizeof(uint32_t)); i++) \ 1157 outlen += wmi_bp_seq_printf(m, "%x ", \ 1158 wmi_record->data[i]); \ 1159 outlen += wmi_bp_seq_printf(m, "\n"); \ 1160 \ 1161 if (pos == 0) \ 1162 pos = wmi_ring_size - 1; \ 1163 else \ 1164 pos--; \ 1165 } \ 1166 return outlen; \ 1167 } 1168 1169 GENERATE_COMMAND_DEBUG_SHOW_FUNCS(command_log, wmi_display_size); 1170 GENERATE_COMMAND_DEBUG_SHOW_FUNCS(command_tx_cmp_log, wmi_display_size); 1171 GENERATE_EVENT_DEBUG_SHOW_FUNCS(event_log, wmi_display_size); 1172 GENERATE_EVENT_DEBUG_SHOW_FUNCS(rx_event_log, wmi_display_size); 1173 GENERATE_COMMAND_DEBUG_SHOW_FUNCS(mgmt_command_log, wmi_display_size); 1174 GENERATE_COMMAND_DEBUG_SHOW_FUNCS(mgmt_command_tx_cmp_log, 1175 wmi_display_size); 1176 GENERATE_EVENT_DEBUG_SHOW_FUNCS(mgmt_event_log, wmi_display_size); 1177 1178 /** 1179 * debug_wmi_enable_show() - debugfs functions to display enable state of 1180 * wmi logging feature. 1181 * 1182 * @m: debugfs handler to access wmi_handle 1183 * @v: Variable arguments (not used) 1184 * 1185 * Return: always 1 1186 */ 1187 static int debug_wmi_enable_show(struct seq_file *m, void *v) 1188 { 1189 wmi_unified_t wmi_handle = (wmi_unified_t) m->private; 1190 1191 return wmi_bp_seq_printf(m, "%d\n", 1192 wmi_handle->log_info.wmi_logging_enable); 1193 } 1194 1195 /** 1196 * debug_wmi_log_size_show() - debugfs functions to display configured size of 1197 * wmi logging command/event buffer and management command/event buffer. 1198 * 1199 * @m: debugfs handler to access wmi_handle 1200 * @v: Variable arguments (not used) 1201 * 1202 * Return: Length of characters printed 1203 */ 1204 static int debug_wmi_log_size_show(struct seq_file *m, void *v) 1205 { 1206 1207 wmi_bp_seq_printf(m, "WMI command/event log max size:%d\n", 1208 wmi_log_max_entry); 1209 return wmi_bp_seq_printf(m, 1210 "WMI management command/events log max size:%d\n", 1211 wmi_mgmt_log_max_entry); 1212 } 1213 1214 /** 1215 * debug_wmi_##func_base##_write() - debugfs functions to clear 1216 * wmi logging command/event buffer and management command/event buffer. 1217 * 1218 * @file: file handler to access wmi_handle 1219 * @buf: received data buffer 1220 * @count: length of received buffer 1221 * @ppos: Not used 1222 * 1223 * Return: count 1224 */ 1225 #define GENERATE_DEBUG_WRITE_FUNCS(func_base, wmi_ring_size, wmi_record_type)\ 1226 static ssize_t debug_wmi_##func_base##_write(struct file *file, \ 1227 const char __user *buf, \ 1228 size_t count, loff_t *ppos) \ 1229 { \ 1230 int k, ret; \ 1231 wmi_unified_t wmi_handle = \ 1232 ((struct seq_file *)file->private_data)->private;\ 1233 struct wmi_log_buf_t *wmi_log = &wmi_handle->log_info. \ 1234 wmi_##func_base##_buf_info; \ 1235 char locbuf[50]; \ 1236 \ 1237 if ((!buf) || (count > 50)) \ 1238 return -EFAULT; \ 1239 \ 1240 if (copy_from_user(locbuf, buf, count)) \ 1241 return -EFAULT; \ 1242 \ 1243 ret = sscanf(locbuf, "%d", &k); \ 1244 if ((ret != 1) || (k != 0)) { \ 1245 WMI_LOGE("Wrong input, echo 0 to clear the wmi buffer");\ 1246 return -EINVAL; \ 1247 } \ 1248 \ 1249 qdf_spin_lock(&wmi_handle->log_info.wmi_record_lock); \ 1250 qdf_mem_zero(wmi_log->buf, wmi_ring_size * \ 1251 sizeof(struct wmi_record_type)); \ 1252 wmi_log->length = 0; \ 1253 *(wmi_log->p_buf_tail_idx) = 0; \ 1254 qdf_spin_unlock(&wmi_handle->log_info.wmi_record_lock); \ 1255 \ 1256 return count; \ 1257 } 1258 1259 GENERATE_DEBUG_WRITE_FUNCS(command_log, wmi_log_max_entry, 1260 wmi_command_debug); 1261 GENERATE_DEBUG_WRITE_FUNCS(command_tx_cmp_log, wmi_log_max_entry, 1262 wmi_command_debug); 1263 GENERATE_DEBUG_WRITE_FUNCS(event_log, wmi_log_max_entry, 1264 wmi_event_debug); 1265 GENERATE_DEBUG_WRITE_FUNCS(rx_event_log, wmi_log_max_entry, 1266 wmi_event_debug); 1267 GENERATE_DEBUG_WRITE_FUNCS(mgmt_command_log, wmi_mgmt_log_max_entry, 1268 wmi_command_debug); 1269 GENERATE_DEBUG_WRITE_FUNCS(mgmt_command_tx_cmp_log, 1270 wmi_mgmt_log_max_entry, wmi_command_debug); 1271 GENERATE_DEBUG_WRITE_FUNCS(mgmt_event_log, wmi_mgmt_log_max_entry, 1272 wmi_event_debug); 1273 1274 /** 1275 * debug_wmi_enable_write() - debugfs functions to enable/disable 1276 * wmi logging feature. 1277 * 1278 * @file: file handler to access wmi_handle 1279 * @buf: received data buffer 1280 * @count: length of received buffer 1281 * @ppos: Not used 1282 * 1283 * Return: count 1284 */ 1285 static ssize_t debug_wmi_enable_write(struct file *file, const char __user *buf, 1286 size_t count, loff_t *ppos) 1287 { 1288 wmi_unified_t wmi_handle = 1289 ((struct seq_file *)file->private_data)->private; 1290 int k, ret; 1291 char locbuf[50]; 1292 1293 if ((!buf) || (count > 50)) 1294 return -EFAULT; 1295 1296 if (copy_from_user(locbuf, buf, count)) 1297 return -EFAULT; 1298 1299 ret = sscanf(locbuf, "%d", &k); 1300 if ((ret != 1) || ((k != 0) && (k != 1))) 1301 return -EINVAL; 1302 1303 wmi_handle->log_info.wmi_logging_enable = k; 1304 return count; 1305 } 1306 1307 /** 1308 * debug_wmi_log_size_write() - reserved. 1309 * 1310 * @file: file handler to access wmi_handle 1311 * @buf: received data buffer 1312 * @count: length of received buffer 1313 * @ppos: Not used 1314 * 1315 * Return: count 1316 */ 1317 static ssize_t debug_wmi_log_size_write(struct file *file, 1318 const char __user *buf, size_t count, loff_t *ppos) 1319 { 1320 return -EINVAL; 1321 } 1322 1323 /* Structure to maintain debug information */ 1324 struct wmi_debugfs_info { 1325 const char *name; 1326 const struct file_operations *ops; 1327 }; 1328 1329 #define DEBUG_FOO(func_base) { .name = #func_base, \ 1330 .ops = &debug_##func_base##_ops } 1331 1332 /** 1333 * debug_##func_base##_open() - Open debugfs entry for respective command 1334 * and event buffer. 1335 * 1336 * @inode: node for debug dir entry 1337 * @file: file handler 1338 * 1339 * Return: open status 1340 */ 1341 #define GENERATE_DEBUG_STRUCTS(func_base) \ 1342 static int debug_##func_base##_open(struct inode *inode, \ 1343 struct file *file) \ 1344 { \ 1345 return single_open(file, debug_##func_base##_show, \ 1346 inode->i_private); \ 1347 } \ 1348 \ 1349 \ 1350 static struct file_operations debug_##func_base##_ops = { \ 1351 .open = debug_##func_base##_open, \ 1352 .read = seq_read, \ 1353 .llseek = seq_lseek, \ 1354 .write = debug_##func_base##_write, \ 1355 .release = single_release, \ 1356 }; 1357 1358 GENERATE_DEBUG_STRUCTS(wmi_command_log); 1359 GENERATE_DEBUG_STRUCTS(wmi_command_tx_cmp_log); 1360 GENERATE_DEBUG_STRUCTS(wmi_event_log); 1361 GENERATE_DEBUG_STRUCTS(wmi_rx_event_log); 1362 GENERATE_DEBUG_STRUCTS(wmi_mgmt_command_log); 1363 GENERATE_DEBUG_STRUCTS(wmi_mgmt_command_tx_cmp_log); 1364 GENERATE_DEBUG_STRUCTS(wmi_mgmt_event_log); 1365 GENERATE_DEBUG_STRUCTS(wmi_enable); 1366 GENERATE_DEBUG_STRUCTS(wmi_log_size); 1367 1368 struct wmi_debugfs_info wmi_debugfs_infos[NUM_DEBUG_INFOS] = { 1369 DEBUG_FOO(wmi_command_log), 1370 DEBUG_FOO(wmi_command_tx_cmp_log), 1371 DEBUG_FOO(wmi_event_log), 1372 DEBUG_FOO(wmi_rx_event_log), 1373 DEBUG_FOO(wmi_mgmt_command_log), 1374 DEBUG_FOO(wmi_mgmt_command_tx_cmp_log), 1375 DEBUG_FOO(wmi_mgmt_event_log), 1376 DEBUG_FOO(wmi_enable), 1377 DEBUG_FOO(wmi_log_size), 1378 }; 1379 1380 1381 /** 1382 * wmi_debugfs_create() - Create debug_fs entry for wmi logging. 1383 * 1384 * @wmi_handle: wmi handle 1385 * @par_entry: debug directory entry 1386 * @id: Index to debug info data array 1387 * 1388 * Return: none 1389 */ 1390 static void wmi_debugfs_create(wmi_unified_t wmi_handle, 1391 struct dentry *par_entry) 1392 { 1393 int i; 1394 1395 if (!par_entry) 1396 goto out; 1397 1398 for (i = 0; i < NUM_DEBUG_INFOS; ++i) { 1399 wmi_handle->debugfs_de[i] = debugfs_create_file( 1400 wmi_debugfs_infos[i].name, 0644, par_entry, 1401 wmi_handle, wmi_debugfs_infos[i].ops); 1402 1403 if (!wmi_handle->debugfs_de[i]) { 1404 WMI_LOGE("debug Entry creation failed!"); 1405 goto out; 1406 } 1407 } 1408 1409 return; 1410 1411 out: 1412 WMI_LOGE("debug Entry creation failed!"); 1413 wmi_log_buffer_free(wmi_handle); 1414 return; 1415 } 1416 1417 /** 1418 * wmi_debugfs_remove() - Remove debugfs entry for wmi logging. 1419 * @wmi_handle: wmi handle 1420 * @dentry: debugfs directory entry 1421 * @id: Index to debug info data array 1422 * 1423 * Return: none 1424 */ 1425 static void wmi_debugfs_remove(wmi_unified_t wmi_handle) 1426 { 1427 int i; 1428 struct dentry *dentry = wmi_handle->log_info.wmi_log_debugfs_dir; 1429 1430 if (dentry) { 1431 for (i = 0; i < NUM_DEBUG_INFOS; ++i) { 1432 if (wmi_handle->debugfs_de[i]) 1433 wmi_handle->debugfs_de[i] = NULL; 1434 } 1435 } 1436 1437 if (dentry) 1438 debugfs_remove_recursive(dentry); 1439 } 1440 1441 /** 1442 * wmi_debugfs_init() - debugfs functions to create debugfs directory and to 1443 * create debugfs enteries. 1444 * 1445 * @h: wmi handler 1446 * 1447 * Return: init status 1448 */ 1449 static QDF_STATUS wmi_debugfs_init(wmi_unified_t wmi_handle, uint32_t pdev_idx) 1450 { 1451 char buf[32]; 1452 1453 snprintf(buf, sizeof(buf), "WMI_SOC%u_PDEV%u", 1454 wmi_handle->soc->soc_idx, pdev_idx); 1455 1456 wmi_handle->log_info.wmi_log_debugfs_dir = 1457 debugfs_create_dir(buf, NULL); 1458 1459 if (!wmi_handle->log_info.wmi_log_debugfs_dir) { 1460 WMI_LOGE("error while creating debugfs dir for %s", buf); 1461 return QDF_STATUS_E_FAILURE; 1462 } 1463 wmi_debugfs_create(wmi_handle, 1464 wmi_handle->log_info.wmi_log_debugfs_dir); 1465 1466 return QDF_STATUS_SUCCESS; 1467 } 1468 1469 /** 1470 * wmi_mgmt_cmd_record() - Wrapper function for mgmt command logging macro 1471 * 1472 * @wmi_handle: wmi handle 1473 * @cmd: mgmt command 1474 * @header: pointer to 802.11 header 1475 * @vdev_id: vdev id 1476 * @chanfreq: channel frequency 1477 * 1478 * Return: none 1479 */ 1480 void wmi_mgmt_cmd_record(wmi_unified_t wmi_handle, uint32_t cmd, 1481 void *header, uint32_t vdev_id, uint32_t chanfreq) 1482 { 1483 1484 uint32_t data[CUSTOM_MGMT_CMD_DATA_SIZE]; 1485 1486 data[0] = ((struct wmi_command_header *)header)->type; 1487 data[1] = ((struct wmi_command_header *)header)->sub_type; 1488 data[2] = vdev_id; 1489 data[3] = chanfreq; 1490 1491 qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock); 1492 1493 WMI_MGMT_COMMAND_RECORD(wmi_handle, cmd, (uint8_t *)data); 1494 1495 qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock); 1496 } 1497 #else 1498 /** 1499 * wmi_debugfs_remove() - Remove debugfs entry for wmi logging. 1500 * @wmi_handle: wmi handle 1501 * @dentry: debugfs directory entry 1502 * @id: Index to debug info data array 1503 * 1504 * Return: none 1505 */ 1506 static void wmi_debugfs_remove(wmi_unified_t wmi_handle) { } 1507 void wmi_mgmt_cmd_record(wmi_unified_t wmi_handle, uint32_t cmd, 1508 void *header, uint32_t vdev_id, uint32_t chanfreq) { } 1509 static inline void wmi_log_buffer_free(struct wmi_unified *wmi_handle) { } 1510 #endif /*WMI_INTERFACE_EVENT_LOGGING */ 1511 qdf_export_symbol(wmi_mgmt_cmd_record); 1512 1513 int wmi_get_host_credits(wmi_unified_t wmi_handle); 1514 /* WMI buffer APIs */ 1515 1516 #ifdef NBUF_MEMORY_DEBUG 1517 wmi_buf_t 1518 wmi_buf_alloc_debug(wmi_unified_t wmi_handle, uint32_t len, uint8_t *file_name, 1519 uint32_t line_num) 1520 { 1521 wmi_buf_t wmi_buf; 1522 1523 if (roundup(len + WMI_MIN_HEAD_ROOM, 4) > wmi_handle->max_msg_len) { 1524 QDF_ASSERT(0); 1525 return NULL; 1526 } 1527 1528 wmi_buf = wbuff_buff_get(wmi_handle->wbuff_handle, len); 1529 if (!wmi_buf) 1530 wmi_buf = qdf_nbuf_alloc_debug(NULL, 1531 roundup(len + WMI_MIN_HEAD_ROOM, 1532 4), 1533 WMI_MIN_HEAD_ROOM, 4, false, 1534 file_name, line_num); 1535 1536 if (!wmi_buf) 1537 return NULL; 1538 1539 /* Clear the wmi buffer */ 1540 OS_MEMZERO(qdf_nbuf_data(wmi_buf), len); 1541 1542 /* 1543 * Set the length of the buffer to match the allocation size. 1544 */ 1545 qdf_nbuf_set_pktlen(wmi_buf, len); 1546 1547 return wmi_buf; 1548 } 1549 qdf_export_symbol(wmi_buf_alloc_debug); 1550 1551 void wmi_buf_free(wmi_buf_t net_buf) 1552 { 1553 net_buf = wbuff_buff_put(net_buf); 1554 if (net_buf) 1555 qdf_nbuf_free(net_buf); 1556 } 1557 qdf_export_symbol(wmi_buf_free); 1558 #else 1559 wmi_buf_t wmi_buf_alloc_fl(wmi_unified_t wmi_handle, uint32_t len, 1560 const char *func, uint32_t line) 1561 { 1562 wmi_buf_t wmi_buf; 1563 1564 if (roundup(len + WMI_MIN_HEAD_ROOM, 4) > wmi_handle->max_msg_len) { 1565 wmi_nofl_err("%s:%d, Invalid len:%d", func, line, len); 1566 QDF_DEBUG_PANIC(); 1567 return NULL; 1568 } 1569 1570 wmi_buf = wbuff_buff_get(wmi_handle->wbuff_handle, len); 1571 if (!wmi_buf) 1572 wmi_buf = qdf_nbuf_alloc_fl(NULL, roundup(len + 1573 WMI_MIN_HEAD_ROOM, 4), WMI_MIN_HEAD_ROOM, 4, 1574 false, func, line); 1575 1576 if (!wmi_buf) 1577 return NULL; 1578 1579 /* Clear the wmi buffer */ 1580 OS_MEMZERO(qdf_nbuf_data(wmi_buf), len); 1581 1582 /* 1583 * Set the length of the buffer to match the allocation size. 1584 */ 1585 qdf_nbuf_set_pktlen(wmi_buf, len); 1586 return wmi_buf; 1587 } 1588 qdf_export_symbol(wmi_buf_alloc_fl); 1589 1590 void wmi_buf_free(wmi_buf_t net_buf) 1591 { 1592 net_buf = wbuff_buff_put(net_buf); 1593 if (net_buf) 1594 qdf_nbuf_free(net_buf); 1595 } 1596 qdf_export_symbol(wmi_buf_free); 1597 #endif 1598 1599 /** 1600 * wmi_get_max_msg_len() - get maximum WMI message length 1601 * @wmi_handle: WMI handle. 1602 * 1603 * This function returns the maximum WMI message length 1604 * 1605 * Return: maximum WMI message length 1606 */ 1607 uint16_t wmi_get_max_msg_len(wmi_unified_t wmi_handle) 1608 { 1609 return wmi_handle->max_msg_len - WMI_MIN_HEAD_ROOM; 1610 } 1611 qdf_export_symbol(wmi_get_max_msg_len); 1612 1613 #ifndef WMI_CMD_STRINGS 1614 static uint8_t *wmi_id_to_name(uint32_t wmi_command) 1615 { 1616 return "Invalid WMI cmd"; 1617 } 1618 1619 #endif 1620 1621 #ifdef CONFIG_MCL 1622 static inline void wmi_log_cmd_id(uint32_t cmd_id, uint32_t tag) 1623 { 1624 WMI_LOGD("Send WMI command:%s command_id:%d htc_tag:%d\n", 1625 wmi_id_to_name(cmd_id), cmd_id, tag); 1626 } 1627 1628 /** 1629 * wmi_is_pm_resume_cmd() - check if a cmd is part of the resume sequence 1630 * @cmd_id: command to check 1631 * 1632 * Return: true if the command is part of the resume sequence. 1633 */ 1634 static bool wmi_is_pm_resume_cmd(uint32_t cmd_id) 1635 { 1636 switch (cmd_id) { 1637 case WMI_WOW_HOSTWAKEUP_FROM_SLEEP_CMDID: 1638 case WMI_PDEV_RESUME_CMDID: 1639 return true; 1640 1641 default: 1642 return false; 1643 } 1644 } 1645 #else 1646 static bool wmi_is_pm_resume_cmd(uint32_t cmd_id) 1647 { 1648 return false; 1649 } 1650 #endif 1651 1652 QDF_STATUS wmi_unified_cmd_send_fl(wmi_unified_t wmi_handle, wmi_buf_t buf, 1653 uint32_t len, uint32_t cmd_id, 1654 const char *func, uint32_t line) 1655 { 1656 HTC_PACKET *pkt; 1657 QDF_STATUS status; 1658 uint16_t htc_tag = 0; 1659 1660 if (wmi_get_runtime_pm_inprogress(wmi_handle)) { 1661 htc_tag = 1662 (uint16_t)wmi_handle->ops->wmi_set_htc_tx_tag( 1663 wmi_handle, buf, cmd_id); 1664 } else if (qdf_atomic_read(&wmi_handle->is_target_suspended) && 1665 (!wmi_is_pm_resume_cmd(cmd_id))) { 1666 wmi_nofl_err("%s:%d, Target is suspended", func, line); 1667 QDF_DEBUG_PANIC(); 1668 return QDF_STATUS_E_BUSY; 1669 } 1670 if (wmi_handle->wmi_stopinprogress) { 1671 wmi_nofl_err("%s:%d, WMI stop in progress", func, line); 1672 return QDF_STATUS_E_INVAL; 1673 } 1674 1675 #ifndef WMI_NON_TLV_SUPPORT 1676 /* Do sanity check on the TLV parameter structure */ 1677 if (wmi_handle->target_type == WMI_TLV_TARGET) { 1678 void *buf_ptr = (void *)qdf_nbuf_data(buf); 1679 1680 if (wmi_handle->ops->wmi_check_command_params(NULL, buf_ptr, len, cmd_id) 1681 != 0) { 1682 wmi_nofl_err("%s:%d, Invalid WMI Param Buffer for Cmd:%d", 1683 func, line, cmd_id); 1684 return QDF_STATUS_E_INVAL; 1685 } 1686 } 1687 #endif 1688 1689 if (qdf_nbuf_push_head(buf, sizeof(WMI_CMD_HDR)) == NULL) { 1690 wmi_nofl_err("%s:%d, Failed to send cmd %x, no memory", 1691 func, line, cmd_id); 1692 return QDF_STATUS_E_NOMEM; 1693 } 1694 1695 qdf_mem_zero(qdf_nbuf_data(buf), sizeof(WMI_CMD_HDR)); 1696 WMI_SET_FIELD(qdf_nbuf_data(buf), WMI_CMD_HDR, COMMANDID, cmd_id); 1697 1698 qdf_atomic_inc(&wmi_handle->pending_cmds); 1699 if (qdf_atomic_read(&wmi_handle->pending_cmds) >= 1700 wmi_handle->wmi_max_cmds) { 1701 wmi_nofl_err("hostcredits = %d", 1702 wmi_get_host_credits(wmi_handle)); 1703 htc_dump_counter_info(wmi_handle->htc_handle); 1704 qdf_atomic_dec(&wmi_handle->pending_cmds); 1705 wmi_nofl_err("%s:%d, MAX %d WMI Pending cmds reached", 1706 func, line, wmi_handle->wmi_max_cmds); 1707 QDF_BUG(0); 1708 return QDF_STATUS_E_BUSY; 1709 } 1710 1711 pkt = qdf_mem_malloc_fl(sizeof(*pkt), func, line); 1712 if (!pkt) { 1713 qdf_atomic_dec(&wmi_handle->pending_cmds); 1714 return QDF_STATUS_E_NOMEM; 1715 } 1716 1717 SET_HTC_PACKET_INFO_TX(pkt, 1718 NULL, 1719 qdf_nbuf_data(buf), len + sizeof(WMI_CMD_HDR), 1720 wmi_handle->wmi_endpoint_id, htc_tag); 1721 1722 SET_HTC_PACKET_NET_BUF_CONTEXT(pkt, buf); 1723 #ifdef CONFIG_MCL 1724 wmi_log_cmd_id(cmd_id, htc_tag); 1725 #endif 1726 wmi_ext_dbg_msg_cmd_record(wmi_handle, 1727 qdf_nbuf_data(buf), qdf_nbuf_len(buf)); 1728 #ifdef WMI_INTERFACE_EVENT_LOGGING 1729 if (wmi_handle->log_info.wmi_logging_enable) { 1730 qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock); 1731 /* 1732 * Record 16 bytes of WMI cmd data - 1733 * exclude TLV and WMI headers 1734 * 1735 * WMI mgmt command already recorded in wmi_mgmt_cmd_record 1736 */ 1737 if (wmi_handle->ops->is_management_record(cmd_id) == false) { 1738 WMI_COMMAND_RECORD(wmi_handle, cmd_id, 1739 qdf_nbuf_data(buf) + 1740 wmi_handle->log_info.buf_offset_command); 1741 } 1742 qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock); 1743 } 1744 #endif 1745 1746 status = htc_send_pkt(wmi_handle->htc_handle, pkt); 1747 1748 if (QDF_STATUS_SUCCESS != status) { 1749 qdf_atomic_dec(&wmi_handle->pending_cmds); 1750 wmi_nofl_err("%s:%d, htc_send_pkt failed, status:%d", 1751 func, line, status); 1752 qdf_mem_free(pkt); 1753 return status; 1754 } 1755 1756 return QDF_STATUS_SUCCESS; 1757 } 1758 qdf_export_symbol(wmi_unified_cmd_send_fl); 1759 1760 /** 1761 * wmi_unified_get_event_handler_ix() - gives event handler's index 1762 * @wmi_handle: handle to wmi 1763 * @event_id: wmi event id 1764 * 1765 * Return: event handler's index 1766 */ 1767 static int wmi_unified_get_event_handler_ix(wmi_unified_t wmi_handle, 1768 uint32_t event_id) 1769 { 1770 uint32_t idx = 0; 1771 int32_t invalid_idx = -1; 1772 struct wmi_soc *soc = wmi_handle->soc; 1773 1774 for (idx = 0; (idx < soc->max_event_idx && 1775 idx < WMI_UNIFIED_MAX_EVENT); ++idx) { 1776 if (wmi_handle->event_id[idx] == event_id && 1777 wmi_handle->event_handler[idx] != NULL) { 1778 return idx; 1779 } 1780 } 1781 1782 return invalid_idx; 1783 } 1784 1785 /** 1786 * wmi_unified_register_event() - register wmi event handler 1787 * @wmi_handle: handle to wmi 1788 * @event_id: wmi event id 1789 * @handler_func: wmi event handler function 1790 * 1791 * Return: 0 on success 1792 */ 1793 int wmi_unified_register_event(wmi_unified_t wmi_handle, 1794 uint32_t event_id, 1795 wmi_unified_event_handler handler_func) 1796 { 1797 uint32_t idx = 0; 1798 uint32_t evt_id; 1799 struct wmi_soc *soc = wmi_handle->soc; 1800 1801 if (event_id >= wmi_events_max || 1802 wmi_handle->wmi_events[event_id] == WMI_EVENT_ID_INVALID) { 1803 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR, 1804 "%s: Event id %d is unavailable", 1805 __func__, event_id); 1806 return QDF_STATUS_E_FAILURE; 1807 } 1808 evt_id = wmi_handle->wmi_events[event_id]; 1809 if (wmi_unified_get_event_handler_ix(wmi_handle, evt_id) != -1) { 1810 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR, 1811 "%s : event handler already registered 0x%x", 1812 __func__, evt_id); 1813 return QDF_STATUS_E_FAILURE; 1814 } 1815 if (soc->max_event_idx == WMI_UNIFIED_MAX_EVENT) { 1816 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR, 1817 "%s : no more event handlers 0x%x", 1818 __func__, evt_id); 1819 return QDF_STATUS_E_FAILURE; 1820 } 1821 idx = soc->max_event_idx; 1822 wmi_handle->event_handler[idx] = handler_func; 1823 wmi_handle->event_id[idx] = evt_id; 1824 qdf_spin_lock_bh(&soc->ctx_lock); 1825 wmi_handle->ctx[idx] = WMI_RX_UMAC_CTX; 1826 qdf_spin_unlock_bh(&soc->ctx_lock); 1827 soc->max_event_idx++; 1828 1829 return 0; 1830 } 1831 1832 /** 1833 * wmi_unified_register_event_handler() - register wmi event handler 1834 * @wmi_handle: handle to wmi 1835 * @event_id: wmi event id 1836 * @handler_func: wmi event handler function 1837 * @rx_ctx: rx execution context for wmi rx events 1838 * 1839 * This API is to support legacy requirements. Will be deprecated in future. 1840 * Return: 0 on success 1841 */ 1842 int wmi_unified_register_event_handler(wmi_unified_t wmi_handle, 1843 wmi_conv_event_id event_id, 1844 wmi_unified_event_handler handler_func, 1845 uint8_t rx_ctx) 1846 { 1847 uint32_t idx = 0; 1848 uint32_t evt_id; 1849 struct wmi_soc *soc = wmi_handle->soc; 1850 1851 if (event_id >= wmi_events_max || 1852 wmi_handle->wmi_events[event_id] == WMI_EVENT_ID_INVALID) { 1853 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR, 1854 "%s: Event id %d is unavailable", 1855 __func__, event_id); 1856 return QDF_STATUS_E_FAILURE; 1857 } 1858 evt_id = wmi_handle->wmi_events[event_id]; 1859 1860 if (wmi_unified_get_event_handler_ix(wmi_handle, evt_id) != -1) { 1861 WMI_LOGE("event handler already registered 0x%x", 1862 evt_id); 1863 return QDF_STATUS_E_FAILURE; 1864 } 1865 if (soc->max_event_idx == WMI_UNIFIED_MAX_EVENT) { 1866 WMI_LOGE("no more event handlers 0x%x", 1867 evt_id); 1868 return QDF_STATUS_E_FAILURE; 1869 } 1870 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_DEBUG, 1871 "Registered event handler for event 0x%8x", evt_id); 1872 idx = soc->max_event_idx; 1873 wmi_handle->event_handler[idx] = handler_func; 1874 wmi_handle->event_id[idx] = evt_id; 1875 qdf_spin_lock_bh(&soc->ctx_lock); 1876 wmi_handle->ctx[idx] = rx_ctx; 1877 qdf_spin_unlock_bh(&soc->ctx_lock); 1878 soc->max_event_idx++; 1879 1880 return 0; 1881 } 1882 qdf_export_symbol(wmi_unified_register_event_handler); 1883 1884 /** 1885 * wmi_unified_unregister_event() - unregister wmi event handler 1886 * @wmi_handle: handle to wmi 1887 * @event_id: wmi event id 1888 * 1889 * Return: 0 on success 1890 */ 1891 int wmi_unified_unregister_event(wmi_unified_t wmi_handle, 1892 uint32_t event_id) 1893 { 1894 uint32_t idx = 0; 1895 uint32_t evt_id; 1896 struct wmi_soc *soc = wmi_handle->soc; 1897 1898 if (event_id >= wmi_events_max || 1899 wmi_handle->wmi_events[event_id] == WMI_EVENT_ID_INVALID) { 1900 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR, 1901 "%s: Event id %d is unavailable", 1902 __func__, event_id); 1903 return QDF_STATUS_E_FAILURE; 1904 } 1905 evt_id = wmi_handle->wmi_events[event_id]; 1906 1907 idx = wmi_unified_get_event_handler_ix(wmi_handle, evt_id); 1908 if (idx == -1) { 1909 WMI_LOGE("event handler is not registered: evt id 0x%x", 1910 evt_id); 1911 return QDF_STATUS_E_FAILURE; 1912 } 1913 wmi_handle->event_handler[idx] = NULL; 1914 wmi_handle->event_id[idx] = 0; 1915 --soc->max_event_idx; 1916 wmi_handle->event_handler[idx] = 1917 wmi_handle->event_handler[soc->max_event_idx]; 1918 wmi_handle->event_id[idx] = 1919 wmi_handle->event_id[soc->max_event_idx]; 1920 1921 return 0; 1922 } 1923 1924 /** 1925 * wmi_unified_unregister_event_handler() - unregister wmi event handler 1926 * @wmi_handle: handle to wmi 1927 * @event_id: wmi event id 1928 * 1929 * Return: 0 on success 1930 */ 1931 int wmi_unified_unregister_event_handler(wmi_unified_t wmi_handle, 1932 wmi_conv_event_id event_id) 1933 { 1934 uint32_t idx = 0; 1935 uint32_t evt_id; 1936 struct wmi_soc *soc = wmi_handle->soc; 1937 1938 if (event_id >= wmi_events_max || 1939 wmi_handle->wmi_events[event_id] == WMI_EVENT_ID_INVALID) { 1940 WMI_LOGE("Event id %d is unavailable", 1941 event_id); 1942 return QDF_STATUS_E_FAILURE; 1943 } 1944 evt_id = wmi_handle->wmi_events[event_id]; 1945 1946 idx = wmi_unified_get_event_handler_ix(wmi_handle, evt_id); 1947 if (idx == -1) { 1948 WMI_LOGE("event handler is not registered: evt id 0x%x", 1949 evt_id); 1950 return QDF_STATUS_E_FAILURE; 1951 } 1952 wmi_handle->event_handler[idx] = NULL; 1953 wmi_handle->event_id[idx] = 0; 1954 --soc->max_event_idx; 1955 wmi_handle->event_handler[idx] = 1956 wmi_handle->event_handler[soc->max_event_idx]; 1957 wmi_handle->event_id[idx] = 1958 wmi_handle->event_id[soc->max_event_idx]; 1959 1960 return 0; 1961 } 1962 qdf_export_symbol(wmi_unified_unregister_event_handler); 1963 1964 /** 1965 * wmi_process_fw_event_default_ctx() - process in default caller context 1966 * @wmi_handle: handle to wmi 1967 * @htc_packet: pointer to htc packet 1968 * @exec_ctx: execution context for wmi fw event 1969 * 1970 * Event process by below function will be in default caller context. 1971 * wmi internally provides rx work thread processing context. 1972 * 1973 * Return: none 1974 */ 1975 static void wmi_process_fw_event_default_ctx(struct wmi_unified *wmi_handle, 1976 HTC_PACKET *htc_packet, uint8_t exec_ctx) 1977 { 1978 wmi_buf_t evt_buf; 1979 evt_buf = (wmi_buf_t) htc_packet->pPktContext; 1980 1981 #ifndef CONFIG_MCL 1982 wmi_handle->rx_ops.wma_process_fw_event_handler_cbk 1983 (wmi_handle->scn_handle, evt_buf, exec_ctx); 1984 #else 1985 wmi_handle->rx_ops.wma_process_fw_event_handler_cbk(wmi_handle, 1986 htc_packet, exec_ctx); 1987 #endif 1988 1989 return; 1990 } 1991 1992 /** 1993 * wmi_process_fw_event_worker_thread_ctx() - process in worker thread context 1994 * @wmi_handle: handle to wmi 1995 * @htc_packet: pointer to htc packet 1996 * 1997 * Event process by below function will be in worker thread context. 1998 * Use this method for events which are not critical and not 1999 * handled in protocol stack. 2000 * 2001 * Return: none 2002 */ 2003 void wmi_process_fw_event_worker_thread_ctx(struct wmi_unified *wmi_handle, 2004 HTC_PACKET *htc_packet) 2005 { 2006 wmi_buf_t evt_buf; 2007 2008 evt_buf = (wmi_buf_t) htc_packet->pPktContext; 2009 2010 qdf_spin_lock_bh(&wmi_handle->eventq_lock); 2011 qdf_nbuf_queue_add(&wmi_handle->event_queue, evt_buf); 2012 qdf_spin_unlock_bh(&wmi_handle->eventq_lock); 2013 qdf_queue_work(0, wmi_handle->wmi_rx_work_queue, 2014 &wmi_handle->rx_event_work); 2015 2016 return; 2017 } 2018 2019 qdf_export_symbol(wmi_process_fw_event_worker_thread_ctx); 2020 2021 /** 2022 * wmi_get_pdev_ep: Get wmi handle based on endpoint 2023 * @soc: handle to wmi soc 2024 * @ep: endpoint id 2025 * 2026 * Return: none 2027 */ 2028 static struct wmi_unified *wmi_get_pdev_ep(struct wmi_soc *soc, 2029 HTC_ENDPOINT_ID ep) 2030 { 2031 uint32_t i; 2032 2033 for (i = 0; i < WMI_MAX_RADIOS; i++) 2034 if (soc->wmi_endpoint_id[i] == ep) 2035 break; 2036 2037 if (i == WMI_MAX_RADIOS) 2038 return NULL; 2039 2040 return soc->wmi_pdev[i]; 2041 } 2042 2043 /** 2044 * wmi_mtrace_rx() - Wrappper function for qdf_mtrace api 2045 * @message_id: 32-Bit Wmi message ID 2046 * @vdev_id: Vdev ID 2047 * @data: Actual message contents 2048 * 2049 * This function converts the 32-bit WMI message ID in 15-bit message ID 2050 * format for qdf_mtrace as in qdf_mtrace message there are only 15 2051 * bits reserved for message ID. 2052 * out of these 15-bits, 8-bits (From LSB) specifies the WMI_GRP_ID 2053 * and remaining 7-bits specifies the actual WMI command. With this 2054 * notation there can be maximum 256 groups and each group can have 2055 * max 128 commands can be supported. 2056 * 2057 * Return: None 2058 */ 2059 static void wmi_mtrace_rx(uint32_t message_id, uint16_t vdev_id, uint32_t data) 2060 { 2061 uint16_t mtrace_message_id; 2062 2063 mtrace_message_id = QDF_WMI_MTRACE_CMD_ID(message_id) | 2064 (QDF_WMI_MTRACE_GRP_ID(message_id) << 2065 QDF_WMI_MTRACE_CMD_NUM_BITS); 2066 qdf_mtrace(QDF_MODULE_ID_WMI, QDF_MODULE_ID_WMA, 2067 mtrace_message_id, vdev_id, data); 2068 } 2069 2070 /** 2071 * wmi_control_rx() - process fw events callbacks 2072 * @ctx: handle to wmi 2073 * @htc_packet: pointer to htc packet 2074 * 2075 * Return: none 2076 */ 2077 static void wmi_control_rx(void *ctx, HTC_PACKET *htc_packet) 2078 { 2079 struct wmi_soc *soc = (struct wmi_soc *) ctx; 2080 struct wmi_unified *wmi_handle; 2081 wmi_buf_t evt_buf; 2082 uint32_t id; 2083 uint32_t idx = 0; 2084 enum wmi_rx_exec_ctx exec_ctx; 2085 2086 evt_buf = (wmi_buf_t) htc_packet->pPktContext; 2087 2088 wmi_handle = wmi_get_pdev_ep(soc, htc_packet->Endpoint); 2089 if (wmi_handle == NULL) { 2090 WMI_LOGE 2091 ("unable to get wmi_handle to Endpoint %d\n", 2092 htc_packet->Endpoint); 2093 qdf_nbuf_free(evt_buf); 2094 return; 2095 } 2096 2097 id = WMI_GET_FIELD(qdf_nbuf_data(evt_buf), WMI_CMD_HDR, COMMANDID); 2098 idx = wmi_unified_get_event_handler_ix(wmi_handle, id); 2099 if (qdf_unlikely(idx == A_ERROR)) { 2100 WMI_LOGE("%s :event handler is not registered: event id 0x%x\n", 2101 __func__, id); 2102 qdf_nbuf_free(evt_buf); 2103 return; 2104 } 2105 wmi_mtrace_rx(id, 0xFF, idx); 2106 qdf_spin_lock_bh(&soc->ctx_lock); 2107 exec_ctx = wmi_handle->ctx[idx]; 2108 qdf_spin_unlock_bh(&soc->ctx_lock); 2109 2110 #ifdef WMI_INTERFACE_EVENT_LOGGING 2111 if (wmi_handle->log_info.wmi_logging_enable) { 2112 uint8_t *data; 2113 data = qdf_nbuf_data(evt_buf); 2114 2115 qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock); 2116 /* Exclude 4 bytes of TLV header */ 2117 if (wmi_handle->ops->is_diag_event(id)) { 2118 WMI_DIAG_RX_EVENT_RECORD(wmi_handle, id, 2119 ((uint8_t *) data + 2120 wmi_handle->log_info.buf_offset_event)); 2121 } else if (wmi_handle->ops->is_management_record(id)) { 2122 WMI_MGMT_RX_EVENT_RECORD(wmi_handle, id, 2123 ((uint8_t *) data + 2124 wmi_handle->log_info.buf_offset_event)); 2125 } else { 2126 WMI_RX_EVENT_RECORD(wmi_handle, id, ((uint8_t *) data + 2127 wmi_handle->log_info.buf_offset_event)); 2128 } 2129 qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock); 2130 } 2131 #endif 2132 2133 if (exec_ctx == WMI_RX_WORK_CTX) { 2134 wmi_process_fw_event_worker_thread_ctx 2135 (wmi_handle, htc_packet); 2136 } else if (exec_ctx > WMI_RX_WORK_CTX) { 2137 wmi_process_fw_event_default_ctx 2138 (wmi_handle, htc_packet, exec_ctx); 2139 } else { 2140 WMI_LOGE("Invalid event context %d", exec_ctx); 2141 qdf_nbuf_free(evt_buf); 2142 } 2143 2144 } 2145 2146 /** 2147 * wmi_process_fw_event() - process any fw event 2148 * @wmi_handle: wmi handle 2149 * @evt_buf: fw event buffer 2150 * 2151 * This function process fw event in caller context 2152 * 2153 * Return: none 2154 */ 2155 void wmi_process_fw_event(struct wmi_unified *wmi_handle, wmi_buf_t evt_buf) 2156 { 2157 __wmi_control_rx(wmi_handle, evt_buf); 2158 } 2159 2160 /** 2161 * __wmi_control_rx() - process serialize wmi event callback 2162 * @wmi_handle: wmi handle 2163 * @evt_buf: fw event buffer 2164 * 2165 * Return: none 2166 */ 2167 void __wmi_control_rx(struct wmi_unified *wmi_handle, wmi_buf_t evt_buf) 2168 { 2169 uint32_t id; 2170 uint8_t *data; 2171 uint32_t len; 2172 void *wmi_cmd_struct_ptr = NULL; 2173 #ifndef WMI_NON_TLV_SUPPORT 2174 int tlv_ok_status = 0; 2175 #endif 2176 uint32_t idx = 0; 2177 2178 id = WMI_GET_FIELD(qdf_nbuf_data(evt_buf), WMI_CMD_HDR, COMMANDID); 2179 2180 wmi_ext_dbg_msg_event_record(wmi_handle, qdf_nbuf_data(evt_buf), 2181 qdf_nbuf_len(evt_buf)); 2182 2183 if (qdf_nbuf_pull_head(evt_buf, sizeof(WMI_CMD_HDR)) == NULL) 2184 goto end; 2185 2186 data = qdf_nbuf_data(evt_buf); 2187 len = qdf_nbuf_len(evt_buf); 2188 2189 #ifndef WMI_NON_TLV_SUPPORT 2190 if (wmi_handle->target_type == WMI_TLV_TARGET) { 2191 /* Validate and pad(if necessary) the TLVs */ 2192 tlv_ok_status = 2193 wmi_handle->ops->wmi_check_and_pad_event(wmi_handle->scn_handle, 2194 data, len, id, 2195 &wmi_cmd_struct_ptr); 2196 if (tlv_ok_status != 0) { 2197 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR, 2198 "%s: Error: id=0x%x, wmitlv check status=%d", 2199 __func__, id, tlv_ok_status); 2200 goto end; 2201 } 2202 } 2203 #endif 2204 2205 idx = wmi_unified_get_event_handler_ix(wmi_handle, id); 2206 if (idx == A_ERROR) { 2207 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_ERROR, 2208 "%s : event handler is not registered: event id 0x%x", 2209 __func__, id); 2210 goto end; 2211 } 2212 #ifdef WMI_INTERFACE_EVENT_LOGGING 2213 if (wmi_handle->log_info.wmi_logging_enable) { 2214 qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock); 2215 /* Exclude 4 bytes of TLV header */ 2216 if (wmi_handle->ops->is_diag_event(id)) { 2217 /* 2218 * skip diag event logging in WMI event buffer 2219 * as its already logged in WMI RX event buffer 2220 */ 2221 } else if (wmi_handle->ops->is_management_record(id)) { 2222 /* 2223 * skip wmi mgmt event logging in WMI event buffer 2224 * as its already logged in WMI RX event buffer 2225 */ 2226 } else { 2227 WMI_EVENT_RECORD(wmi_handle, id, ((uint8_t *) data + 2228 wmi_handle->log_info.buf_offset_event)); 2229 } 2230 qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock); 2231 } 2232 #endif 2233 /* Call the WMI registered event handler */ 2234 if (wmi_handle->target_type == WMI_TLV_TARGET) 2235 wmi_handle->event_handler[idx] (wmi_handle->scn_handle, 2236 wmi_cmd_struct_ptr, len); 2237 else 2238 wmi_handle->event_handler[idx] (wmi_handle->scn_handle, 2239 data, len); 2240 2241 end: 2242 /* Free event buffer and allocated event tlv */ 2243 #ifndef WMI_NON_TLV_SUPPORT 2244 if (wmi_handle->target_type == WMI_TLV_TARGET) 2245 wmi_handle->ops->wmi_free_allocated_event(id, &wmi_cmd_struct_ptr); 2246 #endif 2247 2248 qdf_nbuf_free(evt_buf); 2249 2250 } 2251 2252 #define WMI_WQ_WD_TIMEOUT (30 * 1000) /* 30s */ 2253 2254 static inline void wmi_workqueue_watchdog_warn(uint32_t msg_type_id) 2255 { 2256 QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR, 2257 "%s: WLAN_BUG_RCA: Message type %x has exceeded its alloted time of %ds", 2258 __func__, msg_type_id, WMI_WQ_WD_TIMEOUT / 1000); 2259 } 2260 2261 #ifdef CONFIG_SLUB_DEBUG_ON 2262 static void wmi_workqueue_watchdog_bite(void *arg) 2263 { 2264 struct wmi_wq_dbg_info *info = arg; 2265 2266 wmi_workqueue_watchdog_warn(info->wd_msg_type_id); 2267 qdf_print_thread_trace(info->task); 2268 2269 QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR, 2270 "%s: Going down for WMI WQ Watchdog Bite!", __func__); 2271 QDF_BUG(0); 2272 } 2273 #else 2274 static inline void wmi_workqueue_watchdog_bite(void *arg) 2275 { 2276 struct wmi_wq_dbg_info *info = arg; 2277 2278 wmi_workqueue_watchdog_warn(info->wd_msg_type_id); 2279 } 2280 #endif 2281 2282 /** 2283 * wmi_rx_event_work() - process rx event in rx work queue context 2284 * @arg: opaque pointer to wmi handle 2285 * 2286 * This function process any fw event to serialize it through rx worker thread. 2287 * 2288 * Return: none 2289 */ 2290 static void wmi_rx_event_work(void *arg) 2291 { 2292 wmi_buf_t buf; 2293 struct wmi_unified *wmi = arg; 2294 qdf_timer_t wd_timer; 2295 struct wmi_wq_dbg_info info; 2296 2297 /* initialize WMI workqueue watchdog timer */ 2298 qdf_timer_init(NULL, &wd_timer, &wmi_workqueue_watchdog_bite, 2299 &info, QDF_TIMER_TYPE_SW); 2300 qdf_spin_lock_bh(&wmi->eventq_lock); 2301 buf = qdf_nbuf_queue_remove(&wmi->event_queue); 2302 qdf_spin_unlock_bh(&wmi->eventq_lock); 2303 while (buf) { 2304 qdf_timer_start(&wd_timer, WMI_WQ_WD_TIMEOUT); 2305 info.wd_msg_type_id = 2306 WMI_GET_FIELD(qdf_nbuf_data(buf), WMI_CMD_HDR, COMMANDID); 2307 info.wmi_wq = wmi->wmi_rx_work_queue; 2308 info.task = qdf_get_current_task(); 2309 __wmi_control_rx(wmi, buf); 2310 qdf_timer_stop(&wd_timer); 2311 qdf_spin_lock_bh(&wmi->eventq_lock); 2312 buf = qdf_nbuf_queue_remove(&wmi->event_queue); 2313 qdf_spin_unlock_bh(&wmi->eventq_lock); 2314 } 2315 qdf_timer_free(&wd_timer); 2316 } 2317 2318 #ifdef FEATURE_RUNTIME_PM 2319 /** 2320 * wmi_runtime_pm_init() - initialize runtime pm wmi variables 2321 * @wmi_handle: wmi context 2322 */ 2323 static void wmi_runtime_pm_init(struct wmi_unified *wmi_handle) 2324 { 2325 qdf_atomic_init(&wmi_handle->runtime_pm_inprogress); 2326 } 2327 2328 /** 2329 * wmi_set_runtime_pm_inprogress() - set runtime pm progress flag 2330 * @wmi_handle: wmi context 2331 * @val: runtime pm progress flag 2332 */ 2333 void wmi_set_runtime_pm_inprogress(wmi_unified_t wmi_handle, A_BOOL val) 2334 { 2335 qdf_atomic_set(&wmi_handle->runtime_pm_inprogress, val); 2336 } 2337 2338 /** 2339 * wmi_get_runtime_pm_inprogress() - get runtime pm progress flag 2340 * @wmi_handle: wmi context 2341 */ 2342 inline bool wmi_get_runtime_pm_inprogress(wmi_unified_t wmi_handle) 2343 { 2344 return qdf_atomic_read(&wmi_handle->runtime_pm_inprogress); 2345 } 2346 #else 2347 static void wmi_runtime_pm_init(struct wmi_unified *wmi_handle) 2348 { 2349 } 2350 #endif 2351 2352 /** 2353 * wmi_unified_get_soc_handle: Get WMI SoC handle 2354 * @param wmi_handle: WMI context got from wmi_attach 2355 * 2356 * return: Pointer to Soc handle 2357 */ 2358 void *wmi_unified_get_soc_handle(struct wmi_unified *wmi_handle) 2359 { 2360 return wmi_handle->soc; 2361 } 2362 2363 /** 2364 * wmi_interface_logging_init: Interface looging init 2365 * @param wmi_handle: Pointer to wmi handle object 2366 * 2367 * return: None 2368 */ 2369 #ifdef WMI_INTERFACE_EVENT_LOGGING 2370 static inline void wmi_interface_logging_init(struct wmi_unified *wmi_handle, 2371 uint32_t pdev_idx) 2372 { 2373 if (QDF_STATUS_SUCCESS == wmi_log_init(wmi_handle)) { 2374 qdf_spinlock_create(&wmi_handle->log_info.wmi_record_lock); 2375 wmi_debugfs_init(wmi_handle, pdev_idx); 2376 } 2377 } 2378 #else 2379 static inline void wmi_interface_logging_init(struct wmi_unified *wmi_handle, 2380 uint32_t pdev_idx) 2381 { 2382 } 2383 #endif 2384 2385 /** 2386 * wmi_target_params_init: Target specific params init 2387 * @param wmi_soc: Pointer to wmi soc object 2388 * @param wmi_handle: Pointer to wmi handle object 2389 * 2390 * return: None 2391 */ 2392 #ifndef CONFIG_MCL 2393 static inline void wmi_target_params_init(struct wmi_soc *soc, 2394 struct wmi_unified *wmi_handle) 2395 { 2396 wmi_handle->pdev_param = soc->pdev_param; 2397 wmi_handle->vdev_param = soc->vdev_param; 2398 wmi_handle->services = soc->services; 2399 } 2400 #else 2401 static inline void wmi_target_params_init(struct wmi_soc *soc, 2402 struct wmi_unified *wmi_handle) 2403 { 2404 wmi_handle->services = soc->services; 2405 } 2406 #endif 2407 2408 /** 2409 * wmi_unified_get_pdev_handle: Get WMI SoC handle 2410 * @param wmi_soc: Pointer to wmi soc object 2411 * @param pdev_idx: pdev index 2412 * 2413 * return: Pointer to wmi handle or NULL on failure 2414 */ 2415 void *wmi_unified_get_pdev_handle(struct wmi_soc *soc, uint32_t pdev_idx) 2416 { 2417 struct wmi_unified *wmi_handle; 2418 2419 if (pdev_idx >= WMI_MAX_RADIOS) 2420 return NULL; 2421 2422 if (soc->wmi_pdev[pdev_idx] == NULL) { 2423 wmi_handle = 2424 (struct wmi_unified *) qdf_mem_malloc( 2425 sizeof(struct wmi_unified)); 2426 if (wmi_handle == NULL) { 2427 WMI_LOGE("allocation of wmi handle failed %zu", 2428 sizeof(struct wmi_unified)); 2429 return NULL; 2430 } 2431 wmi_handle->scn_handle = soc->scn_handle; 2432 wmi_handle->event_id = soc->event_id; 2433 wmi_handle->event_handler = soc->event_handler; 2434 wmi_handle->ctx = soc->ctx; 2435 wmi_handle->ops = soc->ops; 2436 qdf_spinlock_create(&wmi_handle->eventq_lock); 2437 qdf_nbuf_queue_init(&wmi_handle->event_queue); 2438 2439 qdf_create_work(0, &wmi_handle->rx_event_work, 2440 wmi_rx_event_work, wmi_handle); 2441 wmi_handle->wmi_rx_work_queue = 2442 qdf_create_workqueue("wmi_rx_event_work_queue"); 2443 if (NULL == wmi_handle->wmi_rx_work_queue) { 2444 WMI_LOGE("failed to create wmi_rx_event_work_queue"); 2445 goto error; 2446 } 2447 wmi_handle->wmi_events = soc->wmi_events; 2448 wmi_target_params_init(soc, wmi_handle); 2449 wmi_handle->soc = soc; 2450 wmi_interface_logging_init(wmi_handle, pdev_idx); 2451 qdf_atomic_init(&wmi_handle->pending_cmds); 2452 qdf_atomic_init(&wmi_handle->is_target_suspended); 2453 wmi_handle->target_type = soc->target_type; 2454 wmi_handle->wmi_max_cmds = soc->wmi_max_cmds; 2455 2456 soc->wmi_pdev[pdev_idx] = wmi_handle; 2457 } else 2458 wmi_handle = soc->wmi_pdev[pdev_idx]; 2459 2460 wmi_handle->wmi_stopinprogress = 0; 2461 wmi_handle->wmi_endpoint_id = soc->wmi_endpoint_id[pdev_idx]; 2462 wmi_handle->htc_handle = soc->htc_handle; 2463 wmi_handle->max_msg_len = soc->max_msg_len[pdev_idx]; 2464 2465 return wmi_handle; 2466 2467 error: 2468 qdf_mem_free(wmi_handle); 2469 2470 return NULL; 2471 } 2472 qdf_export_symbol(wmi_unified_get_pdev_handle); 2473 2474 static void (*wmi_attach_register[WMI_MAX_TARGET_TYPE])(wmi_unified_t); 2475 2476 void wmi_unified_register_module(enum wmi_target_type target_type, 2477 void (*wmi_attach)(wmi_unified_t wmi_handle)) 2478 { 2479 if (target_type < WMI_MAX_TARGET_TYPE) 2480 wmi_attach_register[target_type] = wmi_attach; 2481 2482 return; 2483 } 2484 qdf_export_symbol(wmi_unified_register_module); 2485 2486 /** 2487 * wmi_wbuff_register() - register wmi with wbuff 2488 * @wmi_handle: handle to wmi 2489 * 2490 * @Return: void 2491 */ 2492 static void wmi_wbuff_register(struct wmi_unified *wmi_handle) 2493 { 2494 struct wbuff_alloc_request wbuff_alloc[4]; 2495 2496 wbuff_alloc[0].slot = WBUFF_POOL_0; 2497 wbuff_alloc[0].size = WMI_WBUFF_POOL_0_SIZE; 2498 wbuff_alloc[1].slot = WBUFF_POOL_1; 2499 wbuff_alloc[1].size = WMI_WBUFF_POOL_1_SIZE; 2500 wbuff_alloc[2].slot = WBUFF_POOL_2; 2501 wbuff_alloc[2].size = WMI_WBUFF_POOL_2_SIZE; 2502 wbuff_alloc[3].slot = WBUFF_POOL_3; 2503 wbuff_alloc[3].size = WMI_WBUFF_POOL_3_SIZE; 2504 2505 wmi_handle->wbuff_handle = wbuff_module_register(wbuff_alloc, 4, 2506 WMI_MIN_HEAD_ROOM, 4); 2507 } 2508 2509 /** 2510 * wmi_wbuff_deregister() - deregister wmi with wbuff 2511 * @wmi_handle: handle to wmi 2512 * 2513 * @Return: void 2514 */ 2515 static inline void wmi_wbuff_deregister(struct wmi_unified *wmi_handle) 2516 { 2517 wbuff_module_deregister(wmi_handle->wbuff_handle); 2518 wmi_handle->wbuff_handle = NULL; 2519 } 2520 2521 /** 2522 * wmi_unified_attach() - attach for unified WMI 2523 * @scn_handle: handle to SCN 2524 * @osdev: OS device context 2525 * @target_type: TLV or not-TLV based target 2526 * @use_cookie: cookie based allocation enabled/disabled 2527 * @ops: umac rx callbacks 2528 * @psoc: objmgr psoc 2529 * 2530 * @Return: wmi handle. 2531 */ 2532 void *wmi_unified_attach(void *scn_handle, 2533 struct wmi_unified_attach_params *param) 2534 { 2535 struct wmi_unified *wmi_handle; 2536 struct wmi_soc *soc; 2537 2538 soc = (struct wmi_soc *) qdf_mem_malloc(sizeof(struct wmi_soc)); 2539 if (soc == NULL) { 2540 WMI_LOGE("Allocation of wmi_soc failed %zu", 2541 sizeof(struct wmi_soc)); 2542 return NULL; 2543 } 2544 2545 wmi_handle = 2546 (struct wmi_unified *) qdf_mem_malloc( 2547 sizeof(struct wmi_unified)); 2548 if (wmi_handle == NULL) { 2549 qdf_mem_free(soc); 2550 WMI_LOGE("allocation of wmi handle failed %zu", 2551 sizeof(struct wmi_unified)); 2552 return NULL; 2553 } 2554 wmi_handle->soc = soc; 2555 wmi_handle->soc->soc_idx = param->soc_id; 2556 wmi_handle->event_id = soc->event_id; 2557 wmi_handle->event_handler = soc->event_handler; 2558 wmi_handle->ctx = soc->ctx; 2559 wmi_handle->wmi_events = soc->wmi_events; 2560 wmi_target_params_init(soc, wmi_handle); 2561 wmi_handle->scn_handle = scn_handle; 2562 soc->scn_handle = scn_handle; 2563 qdf_atomic_init(&wmi_handle->pending_cmds); 2564 qdf_atomic_init(&wmi_handle->is_target_suspended); 2565 wmi_runtime_pm_init(wmi_handle); 2566 qdf_spinlock_create(&wmi_handle->eventq_lock); 2567 qdf_nbuf_queue_init(&wmi_handle->event_queue); 2568 qdf_create_work(0, &wmi_handle->rx_event_work, 2569 wmi_rx_event_work, wmi_handle); 2570 wmi_handle->wmi_rx_work_queue = 2571 qdf_create_workqueue("wmi_rx_event_work_queue"); 2572 if (NULL == wmi_handle->wmi_rx_work_queue) { 2573 WMI_LOGE("failed to create wmi_rx_event_work_queue"); 2574 goto error; 2575 } 2576 wmi_interface_logging_init(wmi_handle, WMI_HOST_PDEV_ID_0); 2577 /* Attach mc_thread context processing function */ 2578 wmi_handle->rx_ops.wma_process_fw_event_handler_cbk = 2579 param->rx_ops->wma_process_fw_event_handler_cbk; 2580 wmi_handle->target_type = param->target_type; 2581 soc->target_type = param->target_type; 2582 2583 if (param->target_type >= WMI_MAX_TARGET_TYPE) 2584 goto error; 2585 2586 if (wmi_attach_register[param->target_type]) { 2587 wmi_attach_register[param->target_type](wmi_handle); 2588 } else { 2589 WMI_LOGE("wmi attach is not registered"); 2590 goto error; 2591 } 2592 /* Assign target cookie capablity */ 2593 wmi_handle->use_cookie = param->use_cookie; 2594 wmi_handle->osdev = param->osdev; 2595 wmi_handle->wmi_stopinprogress = 0; 2596 wmi_handle->wmi_max_cmds = param->max_commands; 2597 soc->wmi_max_cmds = param->max_commands; 2598 /* Increase the ref count once refcount infra is present */ 2599 soc->wmi_psoc = param->psoc; 2600 qdf_spinlock_create(&soc->ctx_lock); 2601 2602 soc->ops = wmi_handle->ops; 2603 soc->wmi_pdev[0] = wmi_handle; 2604 if (wmi_ext_dbgfs_init(wmi_handle) != QDF_STATUS_SUCCESS) 2605 WMI_LOGE("failed to initialize wmi extended debugfs"); 2606 2607 wmi_wbuff_register(wmi_handle); 2608 2609 return wmi_handle; 2610 2611 error: 2612 qdf_mem_free(soc); 2613 qdf_mem_free(wmi_handle); 2614 2615 return NULL; 2616 } 2617 2618 /** 2619 * wmi_unified_detach() - detach for unified WMI 2620 * 2621 * @wmi_handle : handle to wmi. 2622 * 2623 * @Return: none. 2624 */ 2625 void wmi_unified_detach(struct wmi_unified *wmi_handle) 2626 { 2627 wmi_buf_t buf; 2628 struct wmi_soc *soc; 2629 uint8_t i; 2630 2631 wmi_wbuff_deregister(wmi_handle); 2632 2633 wmi_ext_dbgfs_deinit(wmi_handle); 2634 2635 soc = wmi_handle->soc; 2636 for (i = 0; i < WMI_MAX_RADIOS; i++) { 2637 if (soc->wmi_pdev[i]) { 2638 qdf_flush_workqueue(0, 2639 soc->wmi_pdev[i]->wmi_rx_work_queue); 2640 qdf_destroy_workqueue(0, 2641 soc->wmi_pdev[i]->wmi_rx_work_queue); 2642 wmi_debugfs_remove(soc->wmi_pdev[i]); 2643 buf = qdf_nbuf_queue_remove( 2644 &soc->wmi_pdev[i]->event_queue); 2645 while (buf) { 2646 qdf_nbuf_free(buf); 2647 buf = qdf_nbuf_queue_remove( 2648 &soc->wmi_pdev[i]->event_queue); 2649 } 2650 2651 wmi_log_buffer_free(soc->wmi_pdev[i]); 2652 2653 /* Free events logs list */ 2654 if (soc->wmi_pdev[i]->events_logs_list) 2655 qdf_mem_free( 2656 soc->wmi_pdev[i]->events_logs_list); 2657 2658 qdf_spinlock_destroy(&soc->wmi_pdev[i]->eventq_lock); 2659 qdf_mem_free(soc->wmi_pdev[i]); 2660 } 2661 } 2662 qdf_spinlock_destroy(&soc->ctx_lock); 2663 2664 if (soc->wmi_service_bitmap) { 2665 qdf_mem_free(soc->wmi_service_bitmap); 2666 soc->wmi_service_bitmap = NULL; 2667 } 2668 2669 if (soc->wmi_ext_service_bitmap) { 2670 qdf_mem_free(soc->wmi_ext_service_bitmap); 2671 soc->wmi_ext_service_bitmap = NULL; 2672 } 2673 2674 /* Decrease the ref count once refcount infra is present */ 2675 soc->wmi_psoc = NULL; 2676 qdf_mem_free(soc); 2677 } 2678 2679 /** 2680 * wmi_unified_remove_work() - detach for WMI work 2681 * @wmi_handle: handle to WMI 2682 * 2683 * A function that does not fully detach WMI, but just remove work 2684 * queue items associated with it. This is used to make sure that 2685 * before any other processing code that may destroy related contexts 2686 * (HTC, etc), work queue processing on WMI has already been stopped. 2687 * 2688 * Return: None 2689 */ 2690 void 2691 wmi_unified_remove_work(struct wmi_unified *wmi_handle) 2692 { 2693 wmi_buf_t buf; 2694 2695 qdf_flush_workqueue(0, wmi_handle->wmi_rx_work_queue); 2696 qdf_spin_lock_bh(&wmi_handle->eventq_lock); 2697 buf = qdf_nbuf_queue_remove(&wmi_handle->event_queue); 2698 while (buf) { 2699 qdf_nbuf_free(buf); 2700 buf = qdf_nbuf_queue_remove(&wmi_handle->event_queue); 2701 } 2702 qdf_spin_unlock_bh(&wmi_handle->eventq_lock); 2703 } 2704 2705 /** 2706 * wmi_htc_tx_complete() - Process htc tx completion 2707 * 2708 * @ctx: handle to wmi 2709 * @htc_packet: pointer to htc packet 2710 * 2711 * @Return: none. 2712 */ 2713 static void wmi_htc_tx_complete(void *ctx, HTC_PACKET *htc_pkt) 2714 { 2715 struct wmi_soc *soc = (struct wmi_soc *) ctx; 2716 wmi_buf_t wmi_cmd_buf = GET_HTC_PACKET_NET_BUF_CONTEXT(htc_pkt); 2717 u_int8_t *buf_ptr; 2718 u_int32_t len; 2719 struct wmi_unified *wmi_handle; 2720 #ifdef WMI_INTERFACE_EVENT_LOGGING 2721 uint32_t cmd_id; 2722 #endif 2723 2724 ASSERT(wmi_cmd_buf); 2725 wmi_handle = wmi_get_pdev_ep(soc, htc_pkt->Endpoint); 2726 if (wmi_handle == NULL) { 2727 WMI_LOGE("%s: Unable to get wmi handle\n", __func__); 2728 QDF_ASSERT(0); 2729 return; 2730 } 2731 #ifdef WMI_INTERFACE_EVENT_LOGGING 2732 if (wmi_handle && wmi_handle->log_info.wmi_logging_enable) { 2733 cmd_id = WMI_GET_FIELD(qdf_nbuf_data(wmi_cmd_buf), 2734 WMI_CMD_HDR, COMMANDID); 2735 2736 qdf_spin_lock_bh(&wmi_handle->log_info.wmi_record_lock); 2737 /* Record 16 bytes of WMI cmd tx complete data 2738 - exclude TLV and WMI headers */ 2739 if (wmi_handle->ops->is_management_record(cmd_id)) { 2740 WMI_MGMT_COMMAND_TX_CMP_RECORD(wmi_handle, cmd_id, 2741 qdf_nbuf_data(wmi_cmd_buf) + 2742 wmi_handle->log_info.buf_offset_command); 2743 } else { 2744 WMI_COMMAND_TX_CMP_RECORD(wmi_handle, cmd_id, 2745 qdf_nbuf_data(wmi_cmd_buf) + 2746 wmi_handle->log_info.buf_offset_command); 2747 } 2748 2749 qdf_spin_unlock_bh(&wmi_handle->log_info.wmi_record_lock); 2750 } 2751 #endif 2752 buf_ptr = (u_int8_t *) wmi_buf_data(wmi_cmd_buf); 2753 len = qdf_nbuf_len(wmi_cmd_buf); 2754 qdf_mem_zero(buf_ptr, len); 2755 wmi_buf_free(wmi_cmd_buf); 2756 qdf_mem_free(htc_pkt); 2757 qdf_atomic_dec(&wmi_handle->pending_cmds); 2758 } 2759 2760 /** 2761 * wmi_connect_pdev_htc_service() - WMI API to get connect to HTC service 2762 * 2763 * @wmi_handle: handle to WMI. 2764 * @pdev_idx: Pdev index 2765 * 2766 * @Return: status. 2767 */ 2768 static int wmi_connect_pdev_htc_service(struct wmi_soc *soc, 2769 uint32_t pdev_idx) 2770 { 2771 int status; 2772 struct htc_service_connect_resp response; 2773 struct htc_service_connect_req connect; 2774 2775 OS_MEMZERO(&connect, sizeof(connect)); 2776 OS_MEMZERO(&response, sizeof(response)); 2777 2778 /* meta data is unused for now */ 2779 connect.pMetaData = NULL; 2780 connect.MetaDataLength = 0; 2781 /* these fields are the same for all service endpoints */ 2782 connect.EpCallbacks.pContext = soc; 2783 connect.EpCallbacks.EpTxCompleteMultiple = 2784 NULL /* Control path completion ar6000_tx_complete */; 2785 connect.EpCallbacks.EpRecv = wmi_control_rx /* Control path rx */; 2786 connect.EpCallbacks.EpRecvRefill = NULL /* ar6000_rx_refill */; 2787 connect.EpCallbacks.EpSendFull = NULL /* ar6000_tx_queue_full */; 2788 connect.EpCallbacks.EpTxComplete = 2789 wmi_htc_tx_complete /* ar6000_tx_queue_full */; 2790 2791 /* connect to control service */ 2792 connect.service_id = soc->svc_ids[pdev_idx]; 2793 status = htc_connect_service(soc->htc_handle, &connect, 2794 &response); 2795 2796 2797 if (status != EOK) { 2798 WMI_LOGE 2799 ("Failed to connect to WMI CONTROL service status:%d\n", 2800 status); 2801 return status; 2802 } 2803 2804 soc->wmi_endpoint_id[pdev_idx] = response.Endpoint; 2805 soc->max_msg_len[pdev_idx] = response.MaxMsgLength; 2806 2807 return 0; 2808 } 2809 2810 /** 2811 * wmi_unified_connect_htc_service() - WMI API to get connect to HTC service 2812 * 2813 * @wmi_handle: handle to WMI. 2814 * 2815 * @Return: status. 2816 */ 2817 QDF_STATUS 2818 wmi_unified_connect_htc_service(struct wmi_unified *wmi_handle, 2819 void *htc_handle) 2820 { 2821 uint32_t i; 2822 uint8_t wmi_ep_count; 2823 2824 wmi_handle->soc->htc_handle = htc_handle; 2825 2826 wmi_ep_count = htc_get_wmi_endpoint_count(htc_handle); 2827 if (wmi_ep_count > WMI_MAX_RADIOS) 2828 return QDF_STATUS_E_FAULT; 2829 2830 for (i = 0; i < wmi_ep_count; i++) 2831 wmi_connect_pdev_htc_service(wmi_handle->soc, i); 2832 2833 wmi_handle->htc_handle = htc_handle; 2834 wmi_handle->wmi_endpoint_id = wmi_handle->soc->wmi_endpoint_id[0]; 2835 wmi_handle->max_msg_len = wmi_handle->soc->max_msg_len[0]; 2836 2837 return QDF_STATUS_SUCCESS; 2838 } 2839 2840 /** 2841 * wmi_get_host_credits() - WMI API to get updated host_credits 2842 * 2843 * @wmi_handle: handle to WMI. 2844 * 2845 * @Return: updated host_credits. 2846 */ 2847 int wmi_get_host_credits(wmi_unified_t wmi_handle) 2848 { 2849 int host_credits = 0; 2850 2851 htc_get_control_endpoint_tx_host_credits(wmi_handle->htc_handle, 2852 &host_credits); 2853 return host_credits; 2854 } 2855 2856 /** 2857 * wmi_get_pending_cmds() - WMI API to get WMI Pending Commands in the HTC 2858 * queue 2859 * 2860 * @wmi_handle: handle to WMI. 2861 * 2862 * @Return: Pending Commands in the HTC queue. 2863 */ 2864 int wmi_get_pending_cmds(wmi_unified_t wmi_handle) 2865 { 2866 return qdf_atomic_read(&wmi_handle->pending_cmds); 2867 } 2868 2869 /** 2870 * wmi_set_target_suspend() - WMI API to set target suspend state 2871 * 2872 * @wmi_handle: handle to WMI. 2873 * @val: suspend state boolean. 2874 * 2875 * @Return: none. 2876 */ 2877 void wmi_set_target_suspend(wmi_unified_t wmi_handle, A_BOOL val) 2878 { 2879 qdf_atomic_set(&wmi_handle->is_target_suspended, val); 2880 } 2881 2882 /** 2883 * WMI API to set crash injection state 2884 * @param wmi_handle: handle to WMI. 2885 * @param val: crash injection state boolean. 2886 */ 2887 void wmi_tag_crash_inject(wmi_unified_t wmi_handle, A_BOOL flag) 2888 { 2889 wmi_handle->tag_crash_inject = flag; 2890 } 2891 2892 /** 2893 * WMI API to set bus suspend state 2894 * @param wmi_handle: handle to WMI. 2895 * @param val: suspend state boolean. 2896 */ 2897 void wmi_set_is_wow_bus_suspended(wmi_unified_t wmi_handle, A_BOOL val) 2898 { 2899 qdf_atomic_set(&wmi_handle->is_wow_bus_suspended, val); 2900 } 2901 2902 void wmi_set_tgt_assert(wmi_unified_t wmi_handle, bool val) 2903 { 2904 wmi_handle->tgt_force_assert_enable = val; 2905 } 2906 2907 /** 2908 * wmi_stop() - generic function to block unified WMI command 2909 * @wmi_handle: handle to WMI. 2910 * 2911 * @Return: success always. 2912 */ 2913 int 2914 wmi_stop(wmi_unified_t wmi_handle) 2915 { 2916 QDF_TRACE(QDF_MODULE_ID_WMI, QDF_TRACE_LEVEL_INFO, 2917 "WMI Stop"); 2918 wmi_handle->wmi_stopinprogress = 1; 2919 return 0; 2920 } 2921 2922 #ifndef CONFIG_MCL 2923 /** 2924 * API to flush all the previous packets associated with the wmi endpoint 2925 * 2926 * @param wmi_handle : handle to WMI. 2927 */ 2928 void 2929 wmi_flush_endpoint(wmi_unified_t wmi_handle) 2930 { 2931 htc_flush_endpoint(wmi_handle->htc_handle, 2932 wmi_handle->wmi_endpoint_id, 0); 2933 } 2934 qdf_export_symbol(wmi_flush_endpoint); 2935 2936 /** 2937 * wmi_pdev_id_conversion_enable() - API to enable pdev_id conversion in WMI 2938 * By default pdev_id conversion is not done in WMI. 2939 * This API can be used enable conversion in WMI. 2940 * @param wmi_handle : handle to WMI 2941 * Return none 2942 */ 2943 void wmi_pdev_id_conversion_enable(wmi_unified_t wmi_handle) 2944 { 2945 if (wmi_handle->target_type == WMI_TLV_TARGET) 2946 wmi_handle->ops->wmi_pdev_id_conversion_enable(wmi_handle); 2947 } 2948 2949 #endif 2950