diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/dbg.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 177 |
1 files changed, 69 insertions, 108 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index d279d4e96c1b..b52ad6f050bd 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1623,14 +1623,13 @@ out_err: } static u32 iwl_dump_ini_info(struct iwl_fw_runtime *fwrt, - struct iwl_fw_ini_trigger *trigger, + struct iwl_fw_ini_trigger_tlv *trigger, struct list_head *list) { struct iwl_fw_ini_dump_entry *entry; struct iwl_fw_error_dump_data *tlv; struct iwl_fw_ini_dump_info *dump; - u32 reg_ids_size = le32_to_cpu(trigger->num_regions) * sizeof(__le32); - u32 size = sizeof(*tlv) + sizeof(*dump) + reg_ids_size; + u32 size = sizeof(*tlv) + sizeof(*dump); entry = kmalloc(sizeof(*entry) + size, GFP_KERNEL); if (!entry) @@ -1640,13 +1639,14 @@ static u32 iwl_dump_ini_info(struct iwl_fw_runtime *fwrt, tlv = (void *)entry->data; tlv->type = cpu_to_le32(IWL_INI_DUMP_INFO_TYPE); - tlv->len = cpu_to_le32(sizeof(*dump) + reg_ids_size); + tlv->len = cpu_to_le32(size - sizeof(*tlv)); dump = (void *)tlv->data; dump->version = cpu_to_le32(IWL_INI_DUMP_VER); - dump->trigger_id = trigger->trigger_id; - dump->is_external_cfg = + dump->time_point = trigger->time_point; + dump->trigger_reason = trigger->trigger_reason; + dump->external_cfg_state = cpu_to_le32(fwrt->trans->dbg.external_ini_cfg); dump->ver_type = cpu_to_le32(fwrt->dump.fw_ver.type); @@ -1670,23 +1670,6 @@ static u32 iwl_dump_ini_info(struct iwl_fw_runtime *fwrt, memcpy(dump->build_tag, fwrt->fw->human_readable, sizeof(dump->build_tag)); - dump->img_name_len = cpu_to_le32(sizeof(dump->img_name)); - memcpy(dump->img_name, fwrt->dump.img_name, sizeof(dump->img_name)); - - dump->internal_dbg_cfg_name_len = - cpu_to_le32(sizeof(dump->internal_dbg_cfg_name)); - memcpy(dump->internal_dbg_cfg_name, fwrt->dump.internal_dbg_cfg_name, - sizeof(dump->internal_dbg_cfg_name)); - - dump->external_dbg_cfg_name_len = - cpu_to_le32(sizeof(dump->external_dbg_cfg_name)); - - memcpy(dump->external_dbg_cfg_name, fwrt->dump.external_dbg_cfg_name, - sizeof(dump->external_dbg_cfg_name)); - - dump->regions_num = trigger->num_regions; - memcpy(dump->region_ids, trigger->data, reg_ids_size); - /* add dump info TLV to the beginning of the list since it needs to be * the first TLV in the dump */ @@ -1745,39 +1728,36 @@ static const struct iwl_dump_ini_mem_ops iwl_dump_ini_region_ops[] = { }; static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt, - struct iwl_fw_ini_trigger *trigger, + struct iwl_fwrt_dump_data *dump_data, struct list_head *list) { - struct iwl_dump_ini_mem_ops empty_ops = {}; + struct iwl_fw_ini_trigger_tlv *trigger = dump_data->trig; struct iwl_dump_ini_region_data reg_data = {}; int i; u32 size = 0; + u64 regions_mask = le64_to_cpu(trigger->regions_mask); - for (i = 0; i < le32_to_cpu(trigger->num_regions); i++) { - u32 reg_id = le32_to_cpu(trigger->data[i]), reg_type; - struct iwl_fw_ini_region_cfg *reg; + for (i = 0; i < 64; i++) { + u32 reg_type; + struct iwl_fw_ini_region_tlv *reg; - if (WARN_ON(reg_id >= ARRAY_SIZE(fwrt->dump.active_regs))) + if (!(BIT_ULL(i) & regions_mask)) continue; - reg = fwrt->dump.active_regs[reg_id]; - if (!reg) { + reg_data.reg_tlv = fwrt->trans->dbg.active_regions[i]; + if (!reg_data.reg_tlv) { IWL_WARN(fwrt, - "WRT: Unassigned region id %d, skipping\n", - reg_id); + "WRT: Unassigned region id %d, skipping\n", i); continue; } - /* currently the driver supports always on domain only */ - if (le32_to_cpu(reg->domain) != IWL_FW_INI_DBG_DOMAIN_ALWAYS_ON) - continue; - - reg_type = le32_to_cpu(reg->region_type); + reg = (void *)reg_data.reg_tlv->data; + reg_type = le32_to_cpu(reg->type); if (reg_type >= ARRAY_SIZE(iwl_dump_ini_region_ops)) continue; size += iwl_dump_ini_mem(fwrt, list, ®_data, - &empty_ops); + &iwl_dump_ini_region_ops[reg_type]); } if (size) @@ -1786,20 +1766,32 @@ static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt, return size; } +static bool iwl_fw_ini_trigger_on(struct iwl_fw_runtime *fwrt, + struct iwl_fw_ini_trigger_tlv *trig) +{ + enum iwl_fw_ini_time_point tp_id = le32_to_cpu(trig->time_point); + u32 usec = le32_to_cpu(trig->ignore_consec); + + if (!iwl_trans_dbg_ini_valid(fwrt->trans) || + tp_id == IWL_FW_INI_TIME_POINT_INVALID || + tp_id >= IWL_FW_INI_TIME_POINT_NUM || + iwl_fw_dbg_no_trig_window(fwrt, tp_id, usec)) + return false; + + return true; +} + static u32 iwl_dump_ini_file_gen(struct iwl_fw_runtime *fwrt, - enum iwl_fw_ini_trigger_id trig_id, + struct iwl_fwrt_dump_data *dump_data, struct list_head *list) { + struct iwl_fw_ini_trigger_tlv *trigger = dump_data->trig; struct iwl_fw_ini_dump_entry *entry; struct iwl_fw_ini_dump_file_hdr *hdr; - struct iwl_fw_ini_trigger *trigger; u32 size; - if (!iwl_fw_ini_trigger_on(fwrt, trig_id)) - return 0; - - trigger = fwrt->dump.active_trigs[trig_id].trig; - if (!trigger || !le32_to_cpu(trigger->num_regions)) + if (!trigger || !iwl_fw_ini_trigger_on(fwrt, trigger) || + !le64_to_cpu(trigger->regions_mask)) return 0; entry = kmalloc(sizeof(*entry) + sizeof(*hdr), GFP_KERNEL); @@ -1808,7 +1800,7 @@ static u32 iwl_dump_ini_file_gen(struct iwl_fw_runtime *fwrt, entry->size = sizeof(*hdr); - size = iwl_dump_ini_trigger(fwrt, trigger, list); + size = iwl_dump_ini_trigger(fwrt, dump_data, list); if (!size) { kfree(entry); return 0; @@ -1880,14 +1872,18 @@ static void iwl_dump_ini_list_free(struct list_head *list) } } -static void iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt, u8 wk_idx) +static void iwl_fw_error_dump_data_free(struct iwl_fwrt_dump_data *dump_data) +{ + dump_data->trig = NULL; +} + +static void iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt, + struct iwl_fwrt_dump_data *dump_data) { - enum iwl_fw_ini_trigger_id trig_id = fwrt->dump.wks[wk_idx].ini_trig_id; struct list_head dump_list = LIST_HEAD_INIT(dump_list); struct scatterlist *sg_dump_data; - u32 file_len; + u32 file_len = iwl_dump_ini_file_gen(fwrt, dump_data, &dump_list); - file_len = iwl_dump_ini_file_gen(fwrt, trig_id, &dump_list); if (!file_len) goto out; @@ -1908,7 +1904,7 @@ static void iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt, u8 wk_idx) iwl_dump_ini_list_free(&dump_list); out: - fwrt->dump.wks[wk_idx].ini_trig_id = IWL_FW_TRIGGER_ID_INVALID; + iwl_fw_error_dump_data_free(dump_data); } const struct iwl_fw_dump_desc iwl_dump_desc_assert = { @@ -1923,15 +1919,9 @@ int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt, bool monitor_only, unsigned int delay) { - u32 trig_type = le32_to_cpu(desc->trig_desc.type); - int ret; - if (iwl_trans_dbg_ini_valid(fwrt->trans)) { - ret = iwl_fw_dbg_ini_collect(fwrt, trig_type); - if (!ret) - iwl_fw_free_dump_desc(fwrt); - - return ret; + iwl_fw_free_dump_desc(fwrt); + return 0; } /* use wks[0] since dump flow prior to ini does not need to support @@ -2023,35 +2013,26 @@ int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, } IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect); -int _iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt, - enum iwl_fw_ini_trigger_id id) +int iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt, + struct iwl_fwrt_dump_data *dump_data) { - struct iwl_fw_ini_active_triggers *active; + struct iwl_fw_ini_trigger_tlv *trig = dump_data->trig; + enum iwl_fw_ini_time_point tp_id = le32_to_cpu(trig->time_point); u32 occur, delay; unsigned long idx; - if (WARN_ON(!iwl_fw_ini_trigger_on(fwrt, id))) - return -EINVAL; - - if (!iwl_fw_ini_trigger_on(fwrt, id)) { + if (!iwl_fw_ini_trigger_on(fwrt, trig)) { IWL_WARN(fwrt, "WRT: Trigger %d is not active, aborting dump\n", - id); + tp_id); return -EINVAL; } - active = &fwrt->dump.active_trigs[id]; - delay = le32_to_cpu(active->trig->dump_delay); - occur = le32_to_cpu(active->trig->occurrences); + delay = le32_to_cpu(trig->dump_delay); + occur = le32_to_cpu(trig->occurrences); if (!occur) return 0; - active->trig->occurrences = cpu_to_le32(--occur); - - if (le32_to_cpu(active->trig->force_restart)) { - IWL_WARN(fwrt, "WRT: Force restart: trigger %d fired.\n", id); - iwl_force_nmi(fwrt->trans); - return 0; - } + trig->occurrences = cpu_to_le32(--occur); /* Check there is an available worker. * ffz return value is undefined if no zero exists, @@ -2066,36 +2047,14 @@ int _iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt, test_and_set_bit(fwrt->dump.wks[idx].idx, &fwrt->dump.active_wks)) return -EBUSY; - fwrt->dump.wks[idx].ini_trig_id = id; + fwrt->dump.wks[idx].dump_data = *dump_data; - IWL_WARN(fwrt, "WRT: Collecting data: ini trigger %d fired.\n", id); + IWL_WARN(fwrt, "WRT: Collecting data: ini trigger %d fired.\n", tp_id); schedule_delayed_work(&fwrt->dump.wks[idx].wk, usecs_to_jiffies(delay)); return 0; } -IWL_EXPORT_SYMBOL(_iwl_fw_dbg_ini_collect); - -int iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt, u32 legacy_trigger_id) -{ - int id; - - switch (legacy_trigger_id) { - case FW_DBG_TRIGGER_FW_ASSERT: - case FW_DBG_TRIGGER_ALIVE_TIMEOUT: - case FW_DBG_TRIGGER_DRIVER: - id = IWL_FW_TRIGGER_ID_FW_ASSERT; - break; - case FW_DBG_TRIGGER_USER: - id = IWL_FW_TRIGGER_ID_USER_TRIGGER; - break; - default: - return -EIO; - } - - return _iwl_fw_dbg_ini_collect(fwrt, id); -} -IWL_EXPORT_SYMBOL(iwl_fw_dbg_ini_collect); int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt, struct iwl_fw_dbg_trigger_tlv *trigger, @@ -2104,6 +2063,9 @@ int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt, int ret, len = 0; char buf[64]; + if (iwl_trans_dbg_ini_valid(fwrt->trans)) + return 0; + if (fmt) { va_list ap; @@ -2207,7 +2169,7 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx) IWL_DEBUG_FW_INFO(fwrt, "WRT: Data collection start\n"); if (iwl_trans_dbg_ini_valid(fwrt->trans)) - iwl_fw_error_ini_dump(fwrt, wk_idx); + iwl_fw_error_ini_dump(fwrt, &fwrt->dump.wks[wk_idx].dump_data); else iwl_fw_error_dump(fwrt); IWL_DEBUG_FW_INFO(fwrt, "WRT: Data collection done\n"); @@ -2220,11 +2182,10 @@ out: void iwl_fw_error_dump_wk(struct work_struct *work) { - struct iwl_fw_runtime *fwrt; - typeof(fwrt->dump.wks[0]) *wks; - - wks = container_of(work, typeof(fwrt->dump.wks[0]), wk.work); - fwrt = container_of(wks, struct iwl_fw_runtime, dump.wks[wks->idx]); + struct iwl_fwrt_wk_data *wks = + container_of(work, typeof(*wks), wk.work); + struct iwl_fw_runtime *fwrt = + container_of(wks, typeof(*fwrt), dump.wks[wks->idx]); /* assumes the op mode mutex is locked in dump_start since * iwl_fw_dbg_collect_sync can't run in parallel |
