1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3 * Copyright (C) 2024-2025 Intel Corporation
4 */
5
6 #include "mld.h"
7
8 #include "fw/api/alive.h"
9 #include "fw/api/scan.h"
10 #include "fw/api/rx.h"
11 #include "phy.h"
12 #include "fw/dbg.h"
13 #include "fw/pnvm.h"
14 #include "hcmd.h"
15 #include "power.h"
16 #include "mcc.h"
17 #include "led.h"
18 #include "coex.h"
19 #include "regulatory.h"
20 #include "thermal.h"
21
iwl_mld_send_tx_ant_cfg(struct iwl_mld * mld)22 static int iwl_mld_send_tx_ant_cfg(struct iwl_mld *mld)
23 {
24 struct iwl_tx_ant_cfg_cmd cmd;
25
26 lockdep_assert_wiphy(mld->wiphy);
27
28 cmd.valid = cpu_to_le32(iwl_mld_get_valid_tx_ant(mld));
29
30 IWL_DEBUG_FW(mld, "select valid tx ant: %u\n", cmd.valid);
31
32 return iwl_mld_send_cmd_pdu(mld, TX_ANT_CONFIGURATION_CMD, &cmd);
33 }
34
iwl_mld_send_rss_cfg_cmd(struct iwl_mld * mld)35 static int iwl_mld_send_rss_cfg_cmd(struct iwl_mld *mld)
36 {
37 struct iwl_rss_config_cmd cmd = {
38 .flags = cpu_to_le32(IWL_RSS_ENABLE),
39 .hash_mask = BIT(IWL_RSS_HASH_TYPE_IPV4_TCP) |
40 BIT(IWL_RSS_HASH_TYPE_IPV4_UDP) |
41 BIT(IWL_RSS_HASH_TYPE_IPV4_PAYLOAD) |
42 BIT(IWL_RSS_HASH_TYPE_IPV6_TCP) |
43 BIT(IWL_RSS_HASH_TYPE_IPV6_UDP) |
44 BIT(IWL_RSS_HASH_TYPE_IPV6_PAYLOAD),
45 };
46
47 lockdep_assert_wiphy(mld->wiphy);
48
49 /* Do not direct RSS traffic to Q 0 which is our fallback queue */
50 for (int i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
51 cmd.indirection_table[i] =
52 1 + (i % (mld->trans->info.num_rxqs - 1));
53 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
54
55 return iwl_mld_send_cmd_pdu(mld, RSS_CONFIG_CMD, &cmd);
56 }
57
iwl_mld_config_scan(struct iwl_mld * mld)58 static int iwl_mld_config_scan(struct iwl_mld *mld)
59 {
60 struct iwl_scan_config cmd = {
61 .tx_chains = cpu_to_le32(iwl_mld_get_valid_tx_ant(mld)),
62 .rx_chains = cpu_to_le32(iwl_mld_get_valid_rx_ant(mld))
63 };
64
65 return iwl_mld_send_cmd_pdu(mld, WIDE_ID(LONG_GROUP, SCAN_CFG_CMD),
66 &cmd);
67 }
68
iwl_mld_alive_imr_data(struct iwl_trans * trans,const struct iwl_imr_alive_info * imr_info)69 static void iwl_mld_alive_imr_data(struct iwl_trans *trans,
70 const struct iwl_imr_alive_info *imr_info)
71 {
72 struct iwl_imr_data *imr_data = &trans->dbg.imr_data;
73
74 imr_data->imr_enable = le32_to_cpu(imr_info->enabled);
75 imr_data->imr_size = le32_to_cpu(imr_info->size);
76 imr_data->imr2sram_remainbyte = imr_data->imr_size;
77 imr_data->imr_base_addr = imr_info->base_addr;
78 imr_data->imr_curr_addr = le64_to_cpu(imr_data->imr_base_addr);
79
80 if (imr_data->imr_enable)
81 return;
82
83 for (int i = 0; i < ARRAY_SIZE(trans->dbg.active_regions); i++) {
84 struct iwl_fw_ini_region_tlv *reg;
85
86 if (!trans->dbg.active_regions[i])
87 continue;
88
89 reg = (void *)trans->dbg.active_regions[i]->data;
90
91 /* We have only one DRAM IMR region, so we
92 * can break as soon as we find the first
93 * one.
94 */
95 if (reg->type == IWL_FW_INI_REGION_DRAM_IMR) {
96 trans->dbg.unsupported_region_msk |= BIT(i);
97 break;
98 }
99 }
100 }
101
102 struct iwl_mld_alive_data {
103 __le32 sku_id[3];
104 bool valid;
105 };
106
iwl_alive_fn(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)107 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
108 struct iwl_rx_packet *pkt, void *data)
109 {
110 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
111 unsigned int expected_sz;
112 struct iwl_mld *mld =
113 container_of(notif_wait, struct iwl_mld, notif_wait);
114 struct iwl_trans *trans = mld->trans;
115 u32 version = iwl_fw_lookup_notif_ver(mld->fw, LEGACY_GROUP,
116 UCODE_ALIVE_NTFY, 0);
117 struct iwl_mld_alive_data *alive_data = data;
118 struct iwl_alive_ntf *palive;
119 struct iwl_umac_alive *umac;
120 struct iwl_lmac_alive *lmac1;
121 struct iwl_lmac_alive *lmac2 = NULL;
122 u32 lmac_error_event_table;
123 u32 umac_error_table;
124 u16 status;
125
126 switch (version) {
127 case 7:
128 expected_sz = sizeof(struct iwl_alive_ntf_v7);
129 break;
130 case 8:
131 expected_sz = sizeof(struct iwl_alive_ntf);
132 break;
133 default:
134 return false;
135 }
136
137 if (pkt_len != expected_sz)
138 return false;
139
140 palive = (void *)pkt->data;
141
142 iwl_mld_alive_imr_data(trans, &palive->imr);
143
144 umac = &palive->umac_data;
145 lmac1 = &palive->lmac_data[0];
146 lmac2 = &palive->lmac_data[1];
147 status = le16_to_cpu(palive->status);
148
149 BUILD_BUG_ON(sizeof(alive_data->sku_id) !=
150 sizeof(palive->sku_id.data));
151 memcpy(alive_data->sku_id, palive->sku_id.data,
152 sizeof(palive->sku_id.data));
153
154 IWL_DEBUG_FW(mld, "Got sku_id: 0x0%x 0x0%x 0x0%x\n",
155 le32_to_cpu(alive_data->sku_id[0]),
156 le32_to_cpu(alive_data->sku_id[1]),
157 le32_to_cpu(alive_data->sku_id[2]));
158
159 lmac_error_event_table =
160 le32_to_cpu(lmac1->dbg_ptrs.error_event_table_ptr);
161 iwl_fw_lmac1_set_alive_err_table(trans, lmac_error_event_table);
162
163 if (lmac2)
164 trans->dbg.lmac_error_event_table[1] =
165 le32_to_cpu(lmac2->dbg_ptrs.error_event_table_ptr);
166
167 umac_error_table = le32_to_cpu(umac->dbg_ptrs.error_info_addr) &
168 ~FW_ADDR_CACHE_CONTROL;
169
170 iwl_fw_umac_set_alive_err_table(trans, umac_error_table);
171
172 alive_data->valid = status == IWL_ALIVE_STATUS_OK;
173
174 IWL_DEBUG_FW(mld,
175 "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
176 status, lmac1->ver_type, lmac1->ver_subtype);
177
178 if (lmac2)
179 IWL_DEBUG_FW(mld, "Alive ucode CDB\n");
180
181 IWL_DEBUG_FW(mld,
182 "UMAC version: Major - 0x%x, Minor - 0x%x\n",
183 le32_to_cpu(umac->umac_major),
184 le32_to_cpu(umac->umac_minor));
185
186 IWL_DEBUG_FW(mld, "FW alive flags 0x%x\n",
187 le16_to_cpu(palive->flags));
188
189 if (version >= 8)
190 IWL_DEBUG_FW(mld, "platform_id 0x%llx\n",
191 le64_to_cpu(palive->platform_id));
192
193 iwl_fwrt_update_fw_versions(&mld->fwrt, lmac1, umac);
194
195 return true;
196 }
197
198 #define MLD_ALIVE_TIMEOUT (2 * HZ)
199 #define MLD_INIT_COMPLETE_TIMEOUT (2 * HZ)
200
iwl_mld_print_alive_notif_timeout(struct iwl_mld * mld)201 static void iwl_mld_print_alive_notif_timeout(struct iwl_mld *mld)
202 {
203 struct iwl_trans *trans = mld->trans;
204 struct iwl_pc_data *pc_data;
205 u8 count;
206
207 IWL_ERR(mld,
208 "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
209 iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS),
210 iwl_read_umac_prph(trans,
211 UMAG_SB_CPU_2_STATUS));
212 #define IWL_FW_PRINT_REG_INFO(reg_name) \
213 IWL_ERR(mld, #reg_name ": 0x%x\n", iwl_read_umac_prph(trans, reg_name))
214
215 IWL_FW_PRINT_REG_INFO(WFPM_LMAC1_PD_NOTIFICATION);
216
217 IWL_FW_PRINT_REG_INFO(HPM_SECONDARY_DEVICE_STATE);
218
219 /* print OTP info */
220 IWL_FW_PRINT_REG_INFO(WFPM_MAC_OTP_CFG7_ADDR);
221 IWL_FW_PRINT_REG_INFO(WFPM_MAC_OTP_CFG7_DATA);
222 #undef IWL_FW_PRINT_REG_INFO
223
224 pc_data = trans->dbg.pc_data;
225 for (count = 0; count < trans->dbg.num_pc; count++, pc_data++)
226 IWL_ERR(mld, "%s: 0x%x\n", pc_data->pc_name,
227 pc_data->pc_address);
228 }
229
iwl_mld_load_fw_wait_alive(struct iwl_mld * mld,struct iwl_mld_alive_data * alive_data)230 static int iwl_mld_load_fw_wait_alive(struct iwl_mld *mld,
231 struct iwl_mld_alive_data *alive_data)
232 {
233 static const u16 alive_cmd[] = { UCODE_ALIVE_NTFY };
234 struct iwl_notification_wait alive_wait;
235 int ret;
236
237 lockdep_assert_wiphy(mld->wiphy);
238
239 iwl_init_notification_wait(&mld->notif_wait, &alive_wait,
240 alive_cmd, ARRAY_SIZE(alive_cmd),
241 iwl_alive_fn, alive_data);
242
243 iwl_dbg_tlv_time_point(&mld->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
244
245 ret = iwl_trans_start_fw(mld->trans, mld->fw, IWL_UCODE_REGULAR, true);
246 if (ret) {
247 iwl_remove_notification(&mld->notif_wait, &alive_wait);
248 return ret;
249 }
250
251 ret = iwl_wait_notification(&mld->notif_wait, &alive_wait,
252 MLD_ALIVE_TIMEOUT);
253
254 if (ret) {
255 if (ret == -ETIMEDOUT)
256 iwl_fw_dbg_error_collect(&mld->fwrt,
257 FW_DBG_TRIGGER_ALIVE_TIMEOUT);
258 iwl_mld_print_alive_notif_timeout(mld);
259 return ret;
260 }
261
262 if (!alive_data->valid) {
263 IWL_ERR(mld, "Loaded firmware is not valid!\n");
264 return -EIO;
265 }
266
267 iwl_trans_fw_alive(mld->trans);
268
269 return 0;
270 }
271
iwl_mld_run_fw_init_sequence(struct iwl_mld * mld)272 static int iwl_mld_run_fw_init_sequence(struct iwl_mld *mld)
273 {
274 struct iwl_notification_wait init_wait;
275 struct iwl_init_extended_cfg_cmd init_cfg = {
276 .init_flags = cpu_to_le32(BIT(IWL_INIT_PHY)),
277 };
278 struct iwl_mld_alive_data alive_data = {};
279 static const u16 init_complete[] = {
280 INIT_COMPLETE_NOTIF,
281 };
282 int ret;
283
284 lockdep_assert_wiphy(mld->wiphy);
285
286 ret = iwl_mld_load_fw_wait_alive(mld, &alive_data);
287 if (ret)
288 return ret;
289
290 ret = iwl_pnvm_load(mld->trans, &mld->notif_wait,
291 mld->fw, alive_data.sku_id);
292 if (ret) {
293 IWL_ERR(mld, "Timeout waiting for PNVM load %d\n", ret);
294 return ret;
295 }
296
297 iwl_dbg_tlv_time_point(&mld->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
298 NULL);
299
300 iwl_init_notification_wait(&mld->notif_wait,
301 &init_wait,
302 init_complete,
303 ARRAY_SIZE(init_complete),
304 NULL, NULL);
305
306 ret = iwl_mld_send_cmd_pdu(mld,
307 WIDE_ID(SYSTEM_GROUP, INIT_EXTENDED_CFG_CMD),
308 &init_cfg);
309 if (ret) {
310 IWL_ERR(mld, "Failed to send init config command: %d\n", ret);
311 iwl_remove_notification(&mld->notif_wait, &init_wait);
312 return ret;
313 }
314
315 ret = iwl_mld_send_phy_cfg_cmd(mld);
316 if (ret) {
317 IWL_ERR(mld, "Failed to send PHY config command: %d\n", ret);
318 iwl_remove_notification(&mld->notif_wait, &init_wait);
319 return ret;
320 }
321
322 ret = iwl_wait_notification(&mld->notif_wait, &init_wait,
323 MLD_INIT_COMPLETE_TIMEOUT);
324 if (ret) {
325 IWL_ERR(mld, "Failed to get INIT_COMPLETE %d\n", ret);
326 return ret;
327 }
328
329 return 0;
330 }
331
iwl_mld_load_fw(struct iwl_mld * mld)332 int iwl_mld_load_fw(struct iwl_mld *mld)
333 {
334 int ret;
335
336 lockdep_assert_wiphy(mld->wiphy);
337
338 ret = iwl_trans_start_hw(mld->trans);
339 if (ret)
340 return ret;
341
342 ret = iwl_mld_run_fw_init_sequence(mld);
343 if (ret)
344 goto err;
345
346 mld->fw_status.running = true;
347
348 return 0;
349 err:
350 iwl_mld_stop_fw(mld);
351 return ret;
352 }
353
iwl_mld_stop_fw(struct iwl_mld * mld)354 void iwl_mld_stop_fw(struct iwl_mld *mld)
355 {
356 lockdep_assert_wiphy(mld->wiphy);
357
358 iwl_abort_notification_waits(&mld->notif_wait);
359
360 iwl_fw_dbg_stop_sync(&mld->fwrt);
361
362 iwl_trans_stop_device(mld->trans);
363
364 /* HW is stopped, no more coming RX. Cancel all notifications in
365 * case they were sent just before stopping the HW.
366 */
367 iwl_mld_cancel_async_notifications(mld);
368
369 mld->fw_status.running = false;
370 }
371
iwl_mld_restart_disconnect_iter(void * data,u8 * mac,struct ieee80211_vif * vif)372 static void iwl_mld_restart_disconnect_iter(void *data, u8 *mac,
373 struct ieee80211_vif *vif)
374 {
375 if (vif->type == NL80211_IFTYPE_STATION)
376 ieee80211_hw_restart_disconnect(vif);
377 }
378
iwl_mld_send_recovery_cmd(struct iwl_mld * mld,u32 flags)379 void iwl_mld_send_recovery_cmd(struct iwl_mld *mld, u32 flags)
380 {
381 u32 error_log_size = mld->fw->ucode_capa.error_log_size;
382 struct iwl_fw_error_recovery_cmd recovery_cmd = {
383 .flags = cpu_to_le32(flags),
384 };
385 struct iwl_host_cmd cmd = {
386 .id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD),
387 .flags = CMD_WANT_SKB,
388 .data = {&recovery_cmd, },
389 .len = {sizeof(recovery_cmd), },
390 };
391 int ret;
392
393 /* no error log was defined in TLV */
394 if (!error_log_size)
395 return;
396
397 if (flags & ERROR_RECOVERY_UPDATE_DB) {
398 /* no buf was allocated upon NIC error */
399 if (!mld->error_recovery_buf)
400 return;
401
402 cmd.data[1] = mld->error_recovery_buf;
403 cmd.len[1] = error_log_size;
404 cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
405 recovery_cmd.buf_size = cpu_to_le32(error_log_size);
406 }
407
408 ret = iwl_mld_send_cmd(mld, &cmd);
409
410 /* we no longer need the recovery buffer */
411 kfree(mld->error_recovery_buf);
412 mld->error_recovery_buf = NULL;
413
414 if (ret) {
415 IWL_ERR(mld, "Failed to send recovery cmd %d\n", ret);
416 return;
417 }
418
419 if (flags & ERROR_RECOVERY_UPDATE_DB) {
420 struct iwl_rx_packet *pkt = cmd.resp_pkt;
421 u32 pkt_len = iwl_rx_packet_payload_len(pkt);
422 u32 resp;
423
424 if (IWL_FW_CHECK(mld, pkt_len != sizeof(resp),
425 "Unexpected recovery cmd response size %u (expected %zu)\n",
426 pkt_len, sizeof(resp)))
427 goto out;
428
429 resp = le32_to_cpup((__le32 *)cmd.resp_pkt->data);
430 if (!resp)
431 goto out;
432
433 IWL_ERR(mld,
434 "Failed to send recovery cmd blob was invalid %d\n",
435 resp);
436
437 ieee80211_iterate_interfaces(mld->hw, 0,
438 iwl_mld_restart_disconnect_iter,
439 NULL);
440 }
441
442 out:
443 iwl_free_resp(&cmd);
444 }
445
iwl_mld_config_fw(struct iwl_mld * mld)446 static int iwl_mld_config_fw(struct iwl_mld *mld)
447 {
448 int ret;
449
450 lockdep_assert_wiphy(mld->wiphy);
451
452 iwl_fw_disable_dbg_asserts(&mld->fwrt);
453 iwl_get_shared_mem_conf(&mld->fwrt);
454
455 ret = iwl_mld_send_tx_ant_cfg(mld);
456 if (ret)
457 return ret;
458
459 ret = iwl_mld_send_bt_init_conf(mld);
460 if (ret)
461 return ret;
462
463 ret = iwl_set_soc_latency(&mld->fwrt);
464 if (ret)
465 return ret;
466
467 iwl_mld_configure_lari(mld);
468
469 ret = iwl_mld_config_temp_report_ths(mld);
470 if (ret)
471 return ret;
472
473 #ifdef CONFIG_THERMAL
474 ret = iwl_mld_config_ctdp(mld, mld->cooling_dev.cur_state,
475 CTDP_CMD_OPERATION_START);
476 if (ret)
477 return ret;
478 #endif
479
480 ret = iwl_configure_rxq(&mld->fwrt);
481 if (ret)
482 return ret;
483
484 ret = iwl_mld_send_rss_cfg_cmd(mld);
485 if (ret)
486 return ret;
487
488 ret = iwl_mld_config_scan(mld);
489 if (ret)
490 return ret;
491
492 ret = iwl_mld_update_device_power(mld, false);
493 if (ret)
494 return ret;
495
496 if (mld->fw_status.in_hw_restart) {
497 iwl_mld_send_recovery_cmd(mld, ERROR_RECOVERY_UPDATE_DB);
498 iwl_mld_time_sync_fw_config(mld);
499 }
500
501 iwl_mld_led_config_fw(mld);
502
503 ret = iwl_mld_init_ppag(mld);
504 if (ret)
505 return ret;
506
507 ret = iwl_mld_init_sar(mld);
508 if (ret)
509 return ret;
510
511 ret = iwl_mld_init_sgom(mld);
512 if (ret)
513 return ret;
514
515 iwl_mld_init_tas(mld);
516 iwl_mld_init_uats(mld);
517
518 return 0;
519 }
520
iwl_mld_start_fw(struct iwl_mld * mld)521 int iwl_mld_start_fw(struct iwl_mld *mld)
522 {
523 int ret;
524
525 lockdep_assert_wiphy(mld->wiphy);
526
527 ret = iwl_mld_load_fw(mld);
528 if (IWL_FW_CHECK(mld, ret, "Failed to start firmware %d\n", ret)) {
529 iwl_fw_dbg_error_collect(&mld->fwrt, FW_DBG_TRIGGER_DRIVER);
530 return ret;
531 }
532
533 IWL_DEBUG_INFO(mld, "uCode started.\n");
534
535 ret = iwl_mld_config_fw(mld);
536 if (ret)
537 goto error;
538
539 ret = iwl_mld_init_mcc(mld);
540 if (ret)
541 goto error;
542
543 return 0;
544
545 error:
546 iwl_mld_stop_fw(mld);
547 return ret;
548 }
549