void iwl_dump_nic_event_log(struct iwl_priv *priv) { int ret; u32 base; /* SRAM byte address of event log header */ u32 capacity; /* event log capacity in # entries */ u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ u32 num_wraps; /* # times uCode wrapped to top of log */ u32 next_entry; /* index of next entry to be written by uCode */ u32 size; /* # entries that we'll print */ if (priv->ucode_type == UCODE_INIT) base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr); else base = le32_to_cpu(priv->card_alive.log_event_table_ptr); if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { IWL_ERROR("Invalid event log pointer 0x%08X\n", base); return; } ret = iwl_grab_nic_access(priv); if (ret) { IWL_WARNING("Can not read from adapter at this time.\n"); return; } /* event log header */ capacity = iwl_read_targ_mem(priv, base); mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32))); num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); size = num_wraps ? capacity : next_entry; /* bail out if nothing in log */ if (size == 0) { IWL_ERROR("Start IWL Event Log Dump: nothing in log\n"); iwl_release_nic_access(priv); return; } IWL_ERROR("Start IWL Event Log Dump: display count %d, wraps %d\n", size, num_wraps); /* if uCode has wrapped back to top of log, start at the oldest entry, * i.e the next one that uCode would fill. */ if (num_wraps) iwl_print_event_log(priv, next_entry, capacity - next_entry, mode); /* (then/else) start at top of log */ iwl_print_event_log(priv, 0, next_entry, mode); iwl_release_nic_access(priv); }
void iwl_dump_nic_error_log(struct iwl_priv *priv) { u32 data2, line; u32 desc, time, count, base, data1; u32 blink1, blink2, ilink1, ilink2; int ret; if (priv->ucode_type == UCODE_INIT) base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr); else base = le32_to_cpu(priv->card_alive.error_event_table_ptr); if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { IWL_ERROR("Not valid error log pointer 0x%08X\n", base); return; } ret = iwl_grab_nic_access(priv); if (ret) { IWL_WARNING("Can not read from adapter at this time.\n"); return; } count = iwl_read_targ_mem(priv, base); if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) { IWL_ERROR("Start IWL Error Log Dump:\n"); IWL_ERROR("Status: 0x%08lX, count: %d\n", priv->status, count); } desc = iwl_read_targ_mem(priv, base + 1 * sizeof(u32)); blink1 = iwl_read_targ_mem(priv, base + 3 * sizeof(u32)); blink2 = iwl_read_targ_mem(priv, base + 4 * sizeof(u32)); ilink1 = iwl_read_targ_mem(priv, base + 5 * sizeof(u32)); ilink2 = iwl_read_targ_mem(priv, base + 6 * sizeof(u32)); data1 = iwl_read_targ_mem(priv, base + 7 * sizeof(u32)); data2 = iwl_read_targ_mem(priv, base + 8 * sizeof(u32)); line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32)); time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32)); IWL_ERROR("Desc Time " "data1 data2 line\n"); IWL_ERROR("%-13s (#%d) %010u 0x%08X 0x%08X %u\n", desc_lookup(desc), desc, time, data1, data2, line); IWL_ERROR("blink1 blink2 ilink1 ilink2\n"); IWL_ERROR("0x%05X 0x%05X 0x%05X 0x%05X\n", blink1, blink2, ilink1, ilink2); iwl_release_nic_access(priv); }
static int iwlagn_tx_queue_set_q2ratid(struct iwl_trans *trans, u16 ra_tid, u16 txq_id) { u32 tbl_dw_addr; u32 tbl_dw; u16 scd_q2ratid; struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); scd_q2ratid = ra_tid & SCD_QUEUE_RA_TID_MAP_RATID_MSK; tbl_dw_addr = trans_pcie->scd_base_addr + SCD_TRANS_TBL_OFFSET_QUEUE(txq_id); tbl_dw = iwl_read_targ_mem(trans, tbl_dw_addr); if (txq_id & 0x1) tbl_dw = (scd_q2ratid << 16) | (tbl_dw & 0x0000FFFF); else tbl_dw = scd_q2ratid | (tbl_dw & 0xFFFF0000); iwl_write_targ_mem(trans, tbl_dw_addr, tbl_dw); return 0; }
static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { u32 val; char buf[1024]; ssize_t ret; int i; int pos = 0; struct iwl_priv *priv = (struct iwl_priv *)file->private_data; const size_t bufsz = sizeof(buf); for (i = priv->dbgfs->sram_len; i > 0; i -= 4) { val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \ priv->dbgfs->sram_len - i); if (i < 4) { switch (i) { case 1: val &= BYTE1_MASK; break; case 2: val &= BYTE2_MASK; break; case 3: val &= BYTE3_MASK; break; } } pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val); } pos += scnprintf(buf + pos, bufsz - pos, "\n"); ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); return ret; }
/** * iwl_print_event_log - Dump error event log to syslog * * NOTE: Must be called with iwl_grab_nic_access() already obtained! */ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, u32 num_events, u32 mode) { u32 i; u32 base; /* SRAM byte address of event log header */ u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ u32 ptr; /* SRAM byte address of log data */ u32 ev, time, data; /* event log data */ if (num_events == 0) return; if (priv->ucode_type == UCODE_INIT) base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr); else base = le32_to_cpu(priv->card_alive.log_event_table_ptr); if (mode == 0) event_size = 2 * sizeof(u32); else event_size = 3 * sizeof(u32); ptr = base + EVENT_START_OFFSET + (start_idx * event_size); /* "time" is actually "data" for mode 0 (no timestamp). * place event id # at far right for easier visual parsing. */ for (i = 0; i < num_events; i++) { ev = iwl_read_targ_mem(priv, ptr); ptr += sizeof(u32); time = iwl_read_targ_mem(priv, ptr); ptr += sizeof(u32); if (mode == 0) { /* data, ev */ IWL_ERROR("EVT_LOG:0x%08x:%04u\n", time, ev); } else { data = iwl_read_targ_mem(priv, ptr); ptr += sizeof(u32); IWL_ERROR("EVT_LOGT:%010u:0x%08x:%04u\n", time, data, ev); } } }
static int iwlagn_tx_queue_set_q2ratid(struct iwl_priv *priv, u16 ra_tid, u16 txq_id) { u32 tbl_dw_addr; u32 tbl_dw; u16 scd_q2ratid; scd_q2ratid = ra_tid & SCD_QUEUE_RA_TID_MAP_RATID_MSK; tbl_dw_addr = priv->scd_base_addr + SCD_TRANS_TBL_OFFSET_QUEUE(txq_id); tbl_dw = iwl_read_targ_mem(priv, tbl_dw_addr); if (txq_id & 0x1) tbl_dw = (scd_q2ratid << 16) | (tbl_dw & 0x0000FFFF); else tbl_dw = scd_q2ratid | (tbl_dw & 0xFFFF0000); iwl_write_targ_mem(priv, tbl_dw_addr, tbl_dw); return 0; }
int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log, char **buf, bool display) { u32 base; /* SRAM byte address of event log header */ u32 capacity; /* event log capacity in # entries */ u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ u32 num_wraps; /* # times uCode wrapped to top of log */ u32 next_entry; /* index of next entry to be written by uCode */ u32 size; /* # entries that we'll print */ u32 logsize; int pos = 0; size_t bufsz = 0; struct iwl_priv *priv = priv(trans); base = priv->device_pointers.log_event_table; if (priv->ucode_type == IWL_UCODE_INIT) { logsize = priv->init_evtlog_size; if (!base) base = priv->init_evtlog_ptr; } else { logsize = priv->inst_evtlog_size; if (!base) base = priv->inst_evtlog_ptr; } if (!iwlagn_hw_valid_rtc_data_addr(base)) { IWL_ERR(trans, "Invalid event log pointer 0x%08X for %s uCode\n", base, (priv->ucode_type == IWL_UCODE_INIT) ? "Init" : "RT"); return -EINVAL; } /* event log header */ capacity = iwl_read_targ_mem(bus(trans), base); mode = iwl_read_targ_mem(bus(trans), base + (1 * sizeof(u32))); num_wraps = iwl_read_targ_mem(bus(trans), base + (2 * sizeof(u32))); next_entry = iwl_read_targ_mem(bus(trans), base + (3 * sizeof(u32))); if (capacity > logsize) { IWL_ERR(trans, "Log capacity %d is bogus, limit to %d " "entries\n", capacity, logsize); capacity = logsize; } if (next_entry > logsize) { IWL_ERR(trans, "Log write index %d is bogus, limit to %d\n", next_entry, logsize); next_entry = logsize; } size = num_wraps ? capacity : next_entry; /* bail out if nothing in log */ if (size == 0) { IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n"); return pos; } #ifdef CONFIG_IWLWIFI_DEBUG if (!(iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS) && !full_log) size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; #else size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; #endif IWL_ERR(trans, "Start IWL Event Log Dump: display last %u entries\n", size); #ifdef CONFIG_IWLWIFI_DEBUG if (display) { if (full_log) bufsz = capacity * 48; else bufsz = size * 48; *buf = kmalloc(bufsz, GFP_KERNEL); if (!*buf) return -ENOMEM; } if ((iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS) || full_log) { /* * if uCode has wrapped back to top of log, * start at the oldest entry, * i.e the next one that uCode would fill. */ if (num_wraps) pos = iwl_print_event_log(trans, next_entry, capacity - next_entry, mode, pos, buf, bufsz); /* (then/else) start at top of log */ pos = iwl_print_event_log(trans, 0, next_entry, mode, pos, buf, bufsz); } else pos = iwl_print_last_event_logs(trans, capacity, num_wraps, next_entry, size, mode, pos, buf, bufsz); #else pos = iwl_print_last_event_logs(trans, capacity, num_wraps, next_entry, size, mode, pos, buf, bufsz); #endif return pos; }
int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log, char **buf, bool display) { u32 base; /* */ u32 capacity; /* */ u32 mode; /* */ u32 num_wraps; /* */ u32 next_entry; /* */ u32 size; /* */ u32 logsize; int pos = 0; size_t bufsz = 0; base = trans->shrd->device_pointers.log_event_table; if (trans->shrd->ucode_type == IWL_UCODE_INIT) { logsize = trans->shrd->fw->init_evtlog_size; if (!base) base = trans->shrd->fw->init_evtlog_ptr; } else { logsize = trans->shrd->fw->inst_evtlog_size; if (!base) base = trans->shrd->fw->inst_evtlog_ptr; } if (!iwlagn_hw_valid_rtc_data_addr(base)) { IWL_ERR(trans, "Invalid event log pointer 0x%08X for %s uCode\n", base, (trans->shrd->ucode_type == IWL_UCODE_INIT) ? "Init" : "RT"); return -EINVAL; } /* */ capacity = iwl_read_targ_mem(trans, base); mode = iwl_read_targ_mem(trans, base + (1 * sizeof(u32))); num_wraps = iwl_read_targ_mem(trans, base + (2 * sizeof(u32))); next_entry = iwl_read_targ_mem(trans, base + (3 * sizeof(u32))); if (capacity > logsize) { IWL_ERR(trans, "Log capacity %d is bogus, limit to %d " "entries\n", capacity, logsize); capacity = logsize; } if (next_entry > logsize) { IWL_ERR(trans, "Log write index %d is bogus, limit to %d\n", next_entry, logsize); next_entry = logsize; } size = num_wraps ? capacity : next_entry; /* */ if (size == 0) { IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n"); return pos; } #ifdef CONFIG_IWLWIFI_DEBUG if (!(iwl_have_debug_level(IWL_DL_FW_ERRORS)) && !full_log) size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; #else size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; #endif IWL_ERR(trans, "Start IWL Event Log Dump: display last %u entries\n", size); #ifdef CONFIG_IWLWIFI_DEBUG if (display) { if (full_log) bufsz = capacity * 48; else bufsz = size * 48; *buf = kmalloc(bufsz, GFP_KERNEL); if (!*buf) return -ENOMEM; } if (iwl_have_debug_level(IWL_DL_FW_ERRORS) || full_log) { /* */ if (num_wraps) pos = iwl_print_event_log(trans, next_entry, capacity - next_entry, mode, pos, buf, bufsz); /* */ pos = iwl_print_event_log(trans, 0, next_entry, mode, pos, buf, bufsz); } else pos = iwl_print_last_event_logs(trans, capacity, num_wraps, next_entry, size, mode, pos, buf, bufsz); #else pos = iwl_print_last_event_logs(trans, capacity, num_wraps, next_entry, size, mode, pos, buf, bufsz); #endif return pos; }