diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c | 378 |
1 files changed, 0 insertions, 378 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c index bab51142ed10..a070f51fba17 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c @@ -533,153 +533,6 @@ static void iwl_rx_handle(struct iwl_trans *trans) iwlagn_rx_queue_restock(trans); } -static const char * const desc_lookup_text[] = { - "OK", - "FAIL", - "BAD_PARAM", - "BAD_CHECKSUM", - "NMI_INTERRUPT_WDG", - "SYSASSERT", - "FATAL_ERROR", - "BAD_COMMAND", - "HW_ERROR_TUNE_LOCK", - "HW_ERROR_TEMPERATURE", - "ILLEGAL_CHAN_FREQ", - "VCC_NOT_STABLE", - "FH_ERROR", - "NMI_INTERRUPT_HOST", - "NMI_INTERRUPT_ACTION_PT", - "NMI_INTERRUPT_UNKNOWN", - "UCODE_VERSION_MISMATCH", - "HW_ERROR_ABS_LOCK", - "HW_ERROR_CAL_LOCK_FAIL", - "NMI_INTERRUPT_INST_ACTION_PT", - "NMI_INTERRUPT_DATA_ACTION_PT", - "NMI_TRM_HW_ER", - "NMI_INTERRUPT_TRM", - "NMI_INTERRUPT_BREAK_POINT", - "DEBUG_0", - "DEBUG_1", - "DEBUG_2", - "DEBUG_3", -}; - -static struct { char *name; u8 num; } advanced_lookup[] = { - { "NMI_INTERRUPT_WDG", 0x34 }, - { "SYSASSERT", 0x35 }, - { "UCODE_VERSION_MISMATCH", 0x37 }, - { "BAD_COMMAND", 0x38 }, - { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C }, - { "FATAL_ERROR", 0x3D }, - { "NMI_TRM_HW_ERR", 0x46 }, - { "NMI_INTERRUPT_TRM", 0x4C }, - { "NMI_INTERRUPT_BREAK_POINT", 0x54 }, - { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C }, - { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 }, - { "NMI_INTERRUPT_HOST", 0x66 }, - { "NMI_INTERRUPT_ACTION_PT", 0x7C }, - { "NMI_INTERRUPT_UNKNOWN", 0x84 }, - { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 }, - { "ADVANCED_SYSASSERT", 0 }, -}; - -static const char *desc_lookup(u32 num) -{ - int i; - int max = ARRAY_SIZE(desc_lookup_text); - - if (num < max) - return desc_lookup_text[num]; - - max = ARRAY_SIZE(advanced_lookup) - 1; - for (i = 0; i < max; i++) { - if (advanced_lookup[i].num == num) - break; - } - return advanced_lookup[i].name; -} - -#define ERROR_START_OFFSET (1 * sizeof(u32)) -#define ERROR_ELEM_SIZE (7 * sizeof(u32)) - -static void iwl_dump_nic_error_log(struct iwl_trans *trans) -{ - u32 base; - struct iwl_error_event_table table; - struct iwl_trans_pcie *trans_pcie = - IWL_TRANS_GET_PCIE_TRANS(trans); - - base = trans->shrd->device_pointers.error_event_table; - if (trans->shrd->ucode_type == IWL_UCODE_INIT) { - if (!base) - base = trans->shrd->fw->init_errlog_ptr; - } else { - if (!base) - base = trans->shrd->fw->inst_errlog_ptr; - } - - if (!iwlagn_hw_valid_rtc_data_addr(base)) { - IWL_ERR(trans, - "Not valid error log pointer 0x%08X for %s uCode\n", - base, - (trans->shrd->ucode_type == IWL_UCODE_INIT) - ? "Init" : "RT"); - return; - } - - iwl_read_targ_mem_words(trans, base, &table, sizeof(table)); - - if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { - IWL_ERR(trans, "Start IWL Error Log Dump:\n"); - IWL_ERR(trans, "Status: 0x%08lX, count: %d\n", - trans->shrd->status, table.valid); - } - - trans_pcie->isr_stats.err_code = table.error_id; - - trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, - table.data1, table.data2, table.line, - table.blink1, table.blink2, table.ilink1, - table.ilink2, table.bcon_time, table.gp1, - table.gp2, table.gp3, table.ucode_ver, - table.hw_ver, table.brd_ver); - IWL_ERR(trans, "0x%08X | %-28s\n", table.error_id, - desc_lookup(table.error_id)); - IWL_ERR(trans, "0x%08X | uPc\n", table.pc); - IWL_ERR(trans, "0x%08X | branchlink1\n", table.blink1); - IWL_ERR(trans, "0x%08X | branchlink2\n", table.blink2); - IWL_ERR(trans, "0x%08X | interruptlink1\n", table.ilink1); - IWL_ERR(trans, "0x%08X | interruptlink2\n", table.ilink2); - IWL_ERR(trans, "0x%08X | data1\n", table.data1); - IWL_ERR(trans, "0x%08X | data2\n", table.data2); - IWL_ERR(trans, "0x%08X | line\n", table.line); - IWL_ERR(trans, "0x%08X | beacon time\n", table.bcon_time); - IWL_ERR(trans, "0x%08X | tsf low\n", table.tsf_low); - IWL_ERR(trans, "0x%08X | tsf hi\n", table.tsf_hi); - IWL_ERR(trans, "0x%08X | time gp1\n", table.gp1); - IWL_ERR(trans, "0x%08X | time gp2\n", table.gp2); - IWL_ERR(trans, "0x%08X | time gp3\n", table.gp3); - IWL_ERR(trans, "0x%08X | uCode version\n", table.ucode_ver); - IWL_ERR(trans, "0x%08X | hw version\n", table.hw_ver); - IWL_ERR(trans, "0x%08X | board version\n", table.brd_ver); - IWL_ERR(trans, "0x%08X | hcmd\n", table.hcmd); - - IWL_ERR(trans, "0x%08X | isr0\n", table.isr0); - IWL_ERR(trans, "0x%08X | isr1\n", table.isr1); - IWL_ERR(trans, "0x%08X | isr2\n", table.isr2); - IWL_ERR(trans, "0x%08X | isr3\n", table.isr3); - IWL_ERR(trans, "0x%08X | isr4\n", table.isr4); - IWL_ERR(trans, "0x%08X | isr_pref\n", table.isr_pref); - IWL_ERR(trans, "0x%08X | wait_event\n", table.wait_event); - IWL_ERR(trans, "0x%08X | l2p_control\n", table.l2p_control); - IWL_ERR(trans, "0x%08X | l2p_duration\n", table.l2p_duration); - IWL_ERR(trans, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid); - IWL_ERR(trans, "0x%08X | l2p_addr_match\n", table.l2p_addr_match); - IWL_ERR(trans, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel); - IWL_ERR(trans, "0x%08X | timestamp\n", table.u_timestamp); - IWL_ERR(trans, "0x%08X | flow_handler\n", table.flow_handler); -} - /** * iwl_irq_handle_error - called for HW or SW error interrupt from card */ @@ -702,243 +555,12 @@ static void iwl_irq_handle_error(struct iwl_trans *trans) return; } - IWL_ERR(trans, "Loaded firmware version: %s\n", - trans->shrd->fw->fw_version); - - iwl_dump_nic_error_log(trans); iwl_dump_csr(trans); iwl_dump_fh(trans, NULL, false); - iwl_dump_nic_event_log(trans, false, NULL, false); iwl_op_mode_nic_error(trans->op_mode); } -#define EVENT_START_OFFSET (4 * sizeof(u32)) - -/** - * iwl_print_event_log - Dump error event log to syslog - * - */ -static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx, - u32 num_events, u32 mode, - int pos, char **buf, size_t bufsz) -{ - 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 */ - unsigned long reg_flags; - - if (num_events == 0) - return pos; - - base = trans->shrd->device_pointers.log_event_table; - if (trans->shrd->ucode_type == IWL_UCODE_INIT) { - if (!base) - base = trans->shrd->fw->init_evtlog_ptr; - } else { - if (!base) - base = trans->shrd->fw->inst_evtlog_ptr; - } - - if (mode == 0) - event_size = 2 * sizeof(u32); - else - event_size = 3 * sizeof(u32); - - ptr = base + EVENT_START_OFFSET + (start_idx * event_size); - - /* Make sure device is powered up for SRAM reads */ - spin_lock_irqsave(&trans->reg_lock, reg_flags); - if (unlikely(!iwl_grab_nic_access(trans))) - goto out_unlock; - - /* Set starting address; reads will auto-increment */ - iwl_write32(trans, HBUS_TARG_MEM_RADDR, ptr); - - /* "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_read32(trans, HBUS_TARG_MEM_RDAT); - time = iwl_read32(trans, HBUS_TARG_MEM_RDAT); - if (mode == 0) { - /* data, ev */ - if (bufsz) { - pos += scnprintf(*buf + pos, bufsz - pos, - "EVT_LOG:0x%08x:%04u\n", - time, ev); - } else { - trace_iwlwifi_dev_ucode_event(trans->dev, 0, - time, ev); - IWL_ERR(trans, "EVT_LOG:0x%08x:%04u\n", - time, ev); - } - } else { - data = iwl_read32(trans, HBUS_TARG_MEM_RDAT); - if (bufsz) { - pos += scnprintf(*buf + pos, bufsz - pos, - "EVT_LOGT:%010u:0x%08x:%04u\n", - time, data, ev); - } else { - IWL_ERR(trans, "EVT_LOGT:%010u:0x%08x:%04u\n", - time, data, ev); - trace_iwlwifi_dev_ucode_event(trans->dev, time, - data, ev); - } - } - } - - /* Allow device to power down */ - iwl_release_nic_access(trans); -out_unlock: - spin_unlock_irqrestore(&trans->reg_lock, reg_flags); - return pos; -} - -/** - * iwl_print_last_event_logs - Dump the newest # of event log to syslog - */ -static int iwl_print_last_event_logs(struct iwl_trans *trans, u32 capacity, - u32 num_wraps, u32 next_entry, - u32 size, u32 mode, - int pos, char **buf, size_t bufsz) -{ - /* - * display the newest DEFAULT_LOG_ENTRIES entries - * i.e the entries just before the next ont that uCode would fill. - */ - if (num_wraps) { - if (next_entry < size) { - pos = iwl_print_event_log(trans, - capacity - (size - next_entry), - size - next_entry, mode, - pos, buf, bufsz); - pos = iwl_print_event_log(trans, 0, - next_entry, mode, - pos, buf, bufsz); - } else - pos = iwl_print_event_log(trans, next_entry - size, - size, mode, pos, buf, bufsz); - } else { - if (next_entry < size) { - pos = iwl_print_event_log(trans, 0, next_entry, - mode, pos, buf, bufsz); - } else { - pos = iwl_print_event_log(trans, next_entry - size, - size, mode, pos, buf, bufsz); - } - } - return pos; -} - -#define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20) - -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; - - 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; - } - - /* event log header */ - 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; - - /* 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_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 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; -} - /* tasklet for iwlagn interrupt */ void iwl_irq_tasklet(struct iwl_trans *trans) { |