1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ 2 /* 3 * Copyright (C) 2005-2014, 2018-2019, 2021-2022 Intel Corporation 4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH 5 * Copyright (C) 2015-2017 Intel Deutschland GmbH 6 */ 7 #ifndef __iwl_fw_dbg_h__ 8 #define __iwl_fw_dbg_h__ 9 #include <linux/workqueue.h> 10 #include <net/cfg80211.h> 11 #include "runtime.h" 12 #include "iwl-prph.h" 13 #include "iwl-io.h" 14 #include "file.h" 15 #include "error-dump.h" 16 #include "api/commands.h" 17 #include "api/dbg-tlv.h" 18 #include "api/alive.h" 19 20 /** 21 * struct iwl_fw_dump_desc - describes the dump 22 * @len: length of trig_desc->data 23 * @trig_desc: the description of the dump 24 */ 25 struct iwl_fw_dump_desc { 26 size_t len; 27 /* must be last */ 28 struct iwl_fw_error_dump_trigger_desc trig_desc; 29 }; 30 31 /** 32 * struct iwl_fw_dbg_params - register values to restore 33 * @in_sample: DBGC_IN_SAMPLE value 34 * @out_ctrl: DBGC_OUT_CTRL value 35 */ 36 struct iwl_fw_dbg_params { 37 u32 in_sample; 38 u32 out_ctrl; 39 }; 40 41 extern const struct iwl_fw_dump_desc iwl_dump_desc_assert; 42 43 int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt, 44 const struct iwl_fw_dump_desc *desc, 45 bool monitor_only, unsigned int delay); 46 int iwl_fw_dbg_error_collect(struct iwl_fw_runtime *fwrt, 47 enum iwl_fw_dbg_trigger trig_type); 48 int iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt, 49 struct iwl_fwrt_dump_data *dump_data, 50 bool sync); 51 int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, 52 enum iwl_fw_dbg_trigger trig, const char *str, 53 size_t len, struct iwl_fw_dbg_trigger_tlv *trigger); 54 int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt, 55 struct iwl_fw_dbg_trigger_tlv *trigger, 56 const char *fmt, ...) __printf(3, 4); 57 int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, u8 id); 58 59 #define iwl_fw_dbg_trigger_enabled(fw, id) ({ \ 60 void *__dbg_trigger = (fw)->dbg.trigger_tlv[(id)]; \ 61 unlikely(__dbg_trigger); \ 62 }) 63 64 static inline struct iwl_fw_dbg_trigger_tlv* 65 _iwl_fw_dbg_get_trigger(const struct iwl_fw *fw, enum iwl_fw_dbg_trigger id) 66 { 67 return fw->dbg.trigger_tlv[id]; 68 } 69 70 #define iwl_fw_dbg_get_trigger(fw, id) ({ \ 71 BUILD_BUG_ON(!__builtin_constant_p(id)); \ 72 BUILD_BUG_ON((id) >= FW_DBG_TRIGGER_MAX); \ 73 _iwl_fw_dbg_get_trigger((fw), (id)); \ 74 }) 75 76 static inline bool 77 iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig, 78 struct wireless_dev *wdev) 79 { 80 u32 trig_vif = le32_to_cpu(trig->vif_type); 81 82 return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || 83 wdev->iftype == trig_vif; 84 } 85 86 static inline bool 87 iwl_fw_dbg_trigger_stop_conf_match(struct iwl_fw_runtime *fwrt, 88 struct iwl_fw_dbg_trigger_tlv *trig) 89 { 90 return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) && 91 (fwrt->dump.conf == FW_DBG_INVALID || 92 (BIT(fwrt->dump.conf) & le32_to_cpu(trig->stop_conf_ids)))); 93 } 94 95 static inline bool 96 iwl_fw_dbg_no_trig_window(struct iwl_fw_runtime *fwrt, u32 id, u32 dis_usec) 97 { 98 unsigned long wind_jiff = usecs_to_jiffies(dis_usec); 99 100 /* If this is the first event checked, jump to update start ts */ 101 if (fwrt->dump.non_collect_ts_start[id] && 102 (time_after(fwrt->dump.non_collect_ts_start[id] + wind_jiff, 103 jiffies))) 104 return true; 105 106 fwrt->dump.non_collect_ts_start[id] = jiffies; 107 return false; 108 } 109 110 static inline bool 111 iwl_fw_dbg_trigger_check_stop(struct iwl_fw_runtime *fwrt, 112 struct wireless_dev *wdev, 113 struct iwl_fw_dbg_trigger_tlv *trig) 114 { 115 u32 usec = le16_to_cpu(trig->trig_dis_ms) * USEC_PER_MSEC; 116 117 if (wdev && !iwl_fw_dbg_trigger_vif_match(trig, wdev)) 118 return false; 119 120 if (iwl_fw_dbg_no_trig_window(fwrt, le32_to_cpu(trig->id), usec)) { 121 IWL_WARN(fwrt, "Trigger %d occurred while no-collect window.\n", 122 trig->id); 123 return false; 124 } 125 126 return iwl_fw_dbg_trigger_stop_conf_match(fwrt, trig); 127 } 128 129 static inline struct iwl_fw_dbg_trigger_tlv* 130 _iwl_fw_dbg_trigger_on(struct iwl_fw_runtime *fwrt, 131 struct wireless_dev *wdev, 132 const enum iwl_fw_dbg_trigger id) 133 { 134 struct iwl_fw_dbg_trigger_tlv *trig; 135 136 if (iwl_trans_dbg_ini_valid(fwrt->trans)) 137 return NULL; 138 139 if (!iwl_fw_dbg_trigger_enabled(fwrt->fw, id)) 140 return NULL; 141 142 trig = _iwl_fw_dbg_get_trigger(fwrt->fw, id); 143 144 if (!iwl_fw_dbg_trigger_check_stop(fwrt, wdev, trig)) 145 return NULL; 146 147 return trig; 148 } 149 150 #define iwl_fw_dbg_trigger_on(fwrt, wdev, id) ({ \ 151 BUILD_BUG_ON(!__builtin_constant_p(id)); \ 152 BUILD_BUG_ON((id) >= FW_DBG_TRIGGER_MAX); \ 153 _iwl_fw_dbg_trigger_on((fwrt), (wdev), (id)); \ 154 }) 155 156 static inline void 157 _iwl_fw_dbg_trigger_simple_stop(struct iwl_fw_runtime *fwrt, 158 struct wireless_dev *wdev, 159 struct iwl_fw_dbg_trigger_tlv *trigger) 160 { 161 if (!trigger) 162 return; 163 164 if (!iwl_fw_dbg_trigger_check_stop(fwrt, wdev, trigger)) 165 return; 166 167 #if defined(__linux__) 168 iwl_fw_dbg_collect_trig(fwrt, trigger, NULL); 169 #elif defined(__FreeBSD__) 170 iwl_fw_dbg_collect_trig(fwrt, trigger, ""); 171 #endif 172 } 173 174 #define iwl_fw_dbg_trigger_simple_stop(fwrt, wdev, trig) \ 175 _iwl_fw_dbg_trigger_simple_stop((fwrt), (wdev), \ 176 iwl_fw_dbg_get_trigger((fwrt)->fw,\ 177 (trig))) 178 void iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt, 179 struct iwl_fw_dbg_params *params, 180 bool stop); 181 182 #ifdef CONFIG_IWLWIFI_DEBUGFS 183 static inline void iwl_fw_set_dbg_rec_on(struct iwl_fw_runtime *fwrt) 184 { 185 if (fwrt->cur_fw_img == IWL_UCODE_REGULAR && 186 (fwrt->fw->dbg.dest_tlv || 187 fwrt->trans->dbg.ini_dest != IWL_FW_INI_LOCATION_INVALID)) 188 fwrt->trans->dbg.rec_on = true; 189 } 190 #endif 191 192 static inline void iwl_fw_dump_conf_clear(struct iwl_fw_runtime *fwrt) 193 { 194 fwrt->dump.conf = FW_DBG_INVALID; 195 } 196 197 void iwl_fw_error_dump_wk(struct work_struct *work); 198 199 static inline bool iwl_fw_dbg_type_on(struct iwl_fw_runtime *fwrt, u32 type) 200 { 201 return (fwrt->fw->dbg.dump_mask & BIT(type)); 202 } 203 204 static inline bool iwl_fw_dbg_is_d3_debug_enabled(struct iwl_fw_runtime *fwrt) 205 { 206 return fw_has_capa(&fwrt->fw->ucode_capa, 207 IWL_UCODE_TLV_CAPA_D3_DEBUG) && 208 fwrt->trans->cfg->d3_debug_data_length && fwrt->ops && 209 fwrt->ops->d3_debug_enable && 210 fwrt->ops->d3_debug_enable(fwrt->ops_ctx) && 211 iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_D3_DEBUG_DATA); 212 } 213 214 static inline bool iwl_fw_dbg_is_paging_enabled(struct iwl_fw_runtime *fwrt) 215 { 216 return iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_PAGING) && 217 !fwrt->trans->trans_cfg->gen2 && 218 fwrt->cur_fw_img < IWL_UCODE_TYPE_MAX && 219 fwrt->fw->img[fwrt->cur_fw_img].paging_mem_size && 220 fwrt->fw_paging_db[0].fw_paging_block; 221 } 222 223 void iwl_fw_dbg_read_d3_debug_data(struct iwl_fw_runtime *fwrt); 224 225 static inline void iwl_fw_flush_dumps(struct iwl_fw_runtime *fwrt) 226 { 227 int i; 228 229 iwl_dbg_tlv_del_timers(fwrt->trans); 230 for (i = 0; i < IWL_FW_RUNTIME_DUMP_WK_NUM; i++) 231 flush_delayed_work(&fwrt->dump.wks[i].wk); 232 } 233 234 #ifdef CONFIG_IWLWIFI_DEBUGFS 235 static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt) 236 { 237 fwrt->timestamp.delay = 0; 238 cancel_delayed_work_sync(&fwrt->timestamp.wk); 239 } 240 241 void iwl_fw_trigger_timestamp(struct iwl_fw_runtime *fwrt, u32 delay); 242 243 static inline void iwl_fw_suspend_timestamp(struct iwl_fw_runtime *fwrt) 244 { 245 cancel_delayed_work_sync(&fwrt->timestamp.wk); 246 } 247 248 static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt) 249 { 250 if (!fwrt->timestamp.delay) 251 return; 252 253 schedule_delayed_work(&fwrt->timestamp.wk, 254 round_jiffies_relative(fwrt->timestamp.delay)); 255 } 256 257 #else 258 259 static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt) {} 260 261 static inline void iwl_fw_trigger_timestamp(struct iwl_fw_runtime *fwrt, 262 u32 delay) {} 263 264 static inline void iwl_fw_suspend_timestamp(struct iwl_fw_runtime *fwrt) {} 265 266 static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt) {} 267 268 #endif /* CONFIG_IWLWIFI_DEBUGFS */ 269 270 void iwl_fw_dbg_stop_sync(struct iwl_fw_runtime *fwrt); 271 272 static inline void iwl_fw_lmac1_set_alive_err_table(struct iwl_trans *trans, 273 u32 lmac_error_event_table) 274 { 275 if (!(trans->dbg.error_event_table_tlv_status & 276 IWL_ERROR_EVENT_TABLE_LMAC1) || 277 WARN_ON(trans->dbg.lmac_error_event_table[0] != 278 lmac_error_event_table)) 279 trans->dbg.lmac_error_event_table[0] = lmac_error_event_table; 280 } 281 282 static inline void iwl_fw_umac_set_alive_err_table(struct iwl_trans *trans, 283 u32 umac_error_event_table) 284 { 285 if (!(trans->dbg.error_event_table_tlv_status & 286 IWL_ERROR_EVENT_TABLE_UMAC) || 287 WARN_ON(trans->dbg.umac_error_event_table != 288 umac_error_event_table)) 289 trans->dbg.umac_error_event_table = umac_error_event_table; 290 } 291 292 static inline void iwl_fw_error_collect(struct iwl_fw_runtime *fwrt, bool sync) 293 { 294 enum iwl_fw_ini_time_point tp_id; 295 296 if (!iwl_trans_dbg_ini_valid(fwrt->trans)) { 297 iwl_fw_dbg_collect_desc(fwrt, &iwl_dump_desc_assert, false, 0); 298 return; 299 } 300 301 if (fwrt->trans->dbg.hw_error) { 302 tp_id = IWL_FW_INI_TIME_POINT_FW_HW_ERROR; 303 fwrt->trans->dbg.hw_error = false; 304 } else { 305 tp_id = IWL_FW_INI_TIME_POINT_FW_ASSERT; 306 } 307 308 _iwl_dbg_tlv_time_point(fwrt, tp_id, NULL, sync); 309 } 310 311 void iwl_fw_error_print_fseq_regs(struct iwl_fw_runtime *fwrt); 312 313 static inline void iwl_fwrt_update_fw_versions(struct iwl_fw_runtime *fwrt, 314 struct iwl_lmac_alive *lmac, 315 struct iwl_umac_alive *umac) 316 { 317 if (lmac) { 318 fwrt->dump.fw_ver.type = lmac->ver_type; 319 fwrt->dump.fw_ver.subtype = lmac->ver_subtype; 320 fwrt->dump.fw_ver.lmac_major = le32_to_cpu(lmac->ucode_major); 321 fwrt->dump.fw_ver.lmac_minor = le32_to_cpu(lmac->ucode_minor); 322 } 323 324 if (umac) { 325 fwrt->dump.fw_ver.umac_major = le32_to_cpu(umac->umac_major); 326 fwrt->dump.fw_ver.umac_minor = le32_to_cpu(umac->umac_minor); 327 } 328 } 329 330 void iwl_fwrt_dump_error_logs(struct iwl_fw_runtime *fwrt); 331 void iwl_send_dbg_dump_complete_cmd(struct iwl_fw_runtime *fwrt, 332 u32 timepoint, 333 u32 timepoint_data); 334 #endif /* __iwl_fw_dbg_h__ */ 335