.txq_free_tfd = iwl3945_hw_txq_free_tfd,
.txq_init = iwl3945_hw_tx_queue_init,
.load_ucode = iwl3945_load_bsm,
- .dump_nic_event_log = iwl3945_dump_nic_event_log,
.dump_nic_error_log = iwl3945_dump_nic_error_log,
.apm_ops = {
.init = iwl3945_apm_init,
.use_bsm = true,
.led_compensation = 64,
.wd_timeout = IWL_DEF_WD_TIMEOUT,
- .max_event_log_size = 512,
};
static struct iwl_cfg iwl3945_bg_cfg = {
.is_valid_rtc_data_addr = iwl4965_hw_valid_rtc_data_addr,
.init_alive_start = iwl4965_init_alive_start,
.load_ucode = iwl4965_load_bsm,
- .dump_nic_event_log = iwl4965_dump_nic_event_log,
.dump_nic_error_log = iwl4965_dump_nic_error_log,
.dump_fh = iwl4965_dump_fh,
.set_channel_switch = iwl4965_hw_channel_switch,
.chain_noise_num_beacons = IWL4965_CAL_NUM_BEACONS,
.wd_timeout = IWL_DEF_WD_TIMEOUT,
.temperature_kelvin = true,
- .max_event_log_size = 512,
.ucode_tracing = true,
.sensitivity_calib_by_driver = true,
.chain_noise_calib_by_driver = true,
priv->cfg->ops->lib->dump_nic_error_log(priv);
if (priv->cfg->ops->lib->dump_fh)
priv->cfg->ops->lib->dump_fh(priv, NULL, false);
- priv->cfg->ops->lib->dump_nic_event_log(priv, false, NULL, false);
#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
if (iwl_legacy_get_debug_level(priv) & IWL_DL_FW_ERRORS)
iwl_legacy_print_rx_config_cmd(priv,
int (*is_valid_rtc_data_addr)(u32 addr);
/* 1st ucode load */
int (*load_ucode)(struct iwl_priv *priv);
- int (*dump_nic_event_log)(struct iwl_priv *priv,
- bool full_log, char **buf, bool display);
+
void (*dump_nic_error_log)(struct iwl_priv *priv);
int (*dump_fh)(struct iwl_priv *priv, char **buf, bool display);
int (*set_channel_switch)(struct iwl_priv *priv,
* @chain_noise_num_beacons: number of beacons used to compute chain noise
* @wd_timeout: TX queues watchdog timeout
* @temperature_kelvin: temperature report by uCode in kelvin
- * @max_event_log_size: size of event log buffer size for ucode event logging
* @ucode_tracing: support ucode continuous tracing
* @sensitivity_calib_by_driver: driver has the capability to perform
* sensitivity calibration operation
int chain_noise_num_beacons;
unsigned int wd_timeout;
bool temperature_kelvin;
- u32 max_event_log_size;
const bool ucode_tracing;
const bool sensitivity_calib_by_driver;
const bool chain_noise_calib_by_driver;
* Error Handling Debugging
******************************************************/
void iwl4965_dump_nic_error_log(struct iwl_priv *priv);
-int iwl4965_dump_nic_event_log(struct iwl_priv *priv,
- bool full_log, char **buf, bool display);
#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
void iwl_legacy_print_rx_config_cmd(struct iwl_priv *priv,
struct iwl_rxon_context *ctx);
return ret;
}
-static ssize_t iwl_legacy_dbgfs_log_event_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_priv *priv = file->private_data;
- char *buf;
- int pos = 0;
- ssize_t ret = -ENOMEM;
-
- ret = pos = priv->cfg->ops->lib->dump_nic_event_log(
- priv, true, &buf, true);
- if (buf) {
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
- kfree(buf);
- }
- return ret;
-}
-
-static ssize_t iwl_legacy_dbgfs_log_event_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_priv *priv = file->private_data;
- u32 event_log_flag;
- char buf[8];
- int buf_size;
-
- memset(buf, 0, sizeof(buf));
- buf_size = min(count, sizeof(buf) - 1);
- if (copy_from_user(buf, user_buf, buf_size))
- return -EFAULT;
- if (sscanf(buf, "%d", &event_log_flag) != 1)
- return -EFAULT;
- if (event_log_flag == 1)
- priv->cfg->ops->lib->dump_nic_event_log(priv, true,
- NULL, false);
-
- return count;
-}
-
-
-
static ssize_t
iwl_legacy_dbgfs_channels_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
}
DEBUGFS_READ_WRITE_FILE_OPS(sram);
-DEBUGFS_READ_WRITE_FILE_OPS(log_event);
DEBUGFS_READ_FILE_OPS(nvm);
DEBUGFS_READ_FILE_OPS(stations);
DEBUGFS_READ_FILE_OPS(channels);
return count;
}
-static ssize_t iwl_legacy_dbgfs_ucode_tracing_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos) {
-
- struct iwl_priv *priv = file->private_data;
- int pos = 0;
- char buf[128];
- const size_t bufsz = sizeof(buf);
-
- pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
- priv->event_log.ucode_trace ? "On" : "Off");
- pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
- priv->event_log.non_wraps_count);
- pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
- priv->event_log.wraps_once_count);
- pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
- priv->event_log.wraps_more_count);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t iwl_legacy_dbgfs_ucode_tracing_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_priv *priv = file->private_data;
- char buf[8];
- int buf_size;
- int trace;
-
- memset(buf, 0, sizeof(buf));
- buf_size = min(count, sizeof(buf) - 1);
- if (copy_from_user(buf, user_buf, buf_size))
- return -EFAULT;
- if (sscanf(buf, "%d", &trace) != 1)
- return -EFAULT;
-
- if (trace) {
- priv->event_log.ucode_trace = true;
- /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
- mod_timer(&priv->ucode_trace,
- jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
- } else {
- priv->event_log.ucode_trace = false;
- del_timer_sync(&priv->ucode_trace);
- }
-
- return count;
-}
-
static ssize_t iwl_legacy_dbgfs_rxon_flags_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
DEBUGFS_READ_FILE_OPS(power_save_status);
DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
-DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
DEBUGFS_READ_FILE_OPS(fh_reg);
DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
- DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
if (priv->cfg->base_params->chain_noise_calib_by_driver)
DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
- if (priv->cfg->base_params->ucode_tracing)
- DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
#endif
};
-/*
- * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
- * to perform continuous uCode event logging operation if enabled
- */
-#define UCODE_TRACE_PERIOD (100)
-
-/*
- * iwl_event_log: current uCode event log position
- *
- * @ucode_trace: enable/disable ucode continuous trace timer
- * @num_wraps: how many times the event buffer wraps
- * @next_entry: the entry just before the next one that uCode would fill
- * @non_wraps_count: counter for no wrap detected when dump ucode events
- * @wraps_once_count: counter for wrap once detected when dump ucode events
- * @wraps_more_count: counter for wrap more than once detected
- * when dump ucode events
- */
-struct iwl_event_log {
- bool ucode_trace;
- u32 num_wraps;
- u32 next_entry;
- int non_wraps_count;
- int wraps_once_count;
- int wraps_more_count;
-};
-
/*
* host interrupt timeout value
* used with setting interrupt coalescing timer
u32 disable_tx_power_cal;
struct work_struct run_time_calib_work;
struct timer_list statistics_periodic;
- struct timer_list ucode_trace;
struct timer_list watchdog;
bool hw_ready;
- struct iwl_event_log event_log;
-
struct led_classdev led;
unsigned long blink_on, blink_off;
bool led_registered;
EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_iowrite32);
EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_rx);
EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_tx);
-EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_ucode_event);
EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_ucode_error);
-EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_ucode_cont_event);
-EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_ucode_wrap_event);
#endif
#undef TRACE_SYSTEM
#define TRACE_SYSTEM iwlwifi_legacy_ucode
-TRACE_EVENT(iwlwifi_legacy_dev_ucode_cont_event,
- TP_PROTO(struct iwl_priv *priv, u32 time, u32 data, u32 ev),
- TP_ARGS(priv, time, data, ev),
- TP_STRUCT__entry(
- PRIV_ENTRY
-
- __field(u32, time)
- __field(u32, data)
- __field(u32, ev)
- ),
- TP_fast_assign(
- PRIV_ASSIGN;
- __entry->time = time;
- __entry->data = data;
- __entry->ev = ev;
- ),
- TP_printk("[%p] EVT_LOGT:%010u:0x%08x:%04u",
- __entry->priv, __entry->time, __entry->data, __entry->ev)
-);
-
-TRACE_EVENT(iwlwifi_legacy_dev_ucode_wrap_event,
- TP_PROTO(struct iwl_priv *priv, u32 wraps, u32 n_entry, u32 p_entry),
- TP_ARGS(priv, wraps, n_entry, p_entry),
- TP_STRUCT__entry(
- PRIV_ENTRY
-
- __field(u32, wraps)
- __field(u32, n_entry)
- __field(u32, p_entry)
- ),
- TP_fast_assign(
- PRIV_ASSIGN;
- __entry->wraps = wraps;
- __entry->n_entry = n_entry;
- __entry->p_entry = p_entry;
- ),
- TP_printk("[%p] wraps=#%02d n=0x%X p=0x%X",
- __entry->priv, __entry->wraps, __entry->n_entry,
- __entry->p_entry)
-);
-
#undef TRACE_SYSTEM
#define TRACE_SYSTEM iwlwifi
__entry->blink2, __entry->ilink1, __entry->ilink2)
);
-TRACE_EVENT(iwlwifi_legacy_dev_ucode_event,
- TP_PROTO(struct iwl_priv *priv, u32 time, u32 data, u32 ev),
- TP_ARGS(priv, time, data, ev),
- TP_STRUCT__entry(
- PRIV_ENTRY
-
- __field(u32, time)
- __field(u32, data)
- __field(u32, ev)
- ),
- TP_fast_assign(
- PRIV_ASSIGN;
- __entry->time = time;
- __entry->data = data;
- __entry->ev = ev;
- ),
- TP_printk("[%p] EVT_LOGT:%010u:0x%08x:%04u",
- __entry->priv, __entry->time, __entry->data, __entry->ev)
-);
#endif /* __IWLWIFI_DEVICE_TRACE */
#undef TRACE_INCLUDE_PATH
}
}
-#define EVENT_START_OFFSET (6 * sizeof(u32))
-
-/**
- * iwl3945_print_event_log - Dump error event log to syslog
- *
- */
-static int iwl3945_print_event_log(struct iwl_priv *priv, 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 = 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);
-
- /* Make sure device is powered up for SRAM reads */
- spin_lock_irqsave(&priv->reg_lock, reg_flags);
- iwl_grab_nic_access(priv);
-
- /* Set starting address; reads will auto-increment */
- _iwl_legacy_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr);
- rmb();
-
- /* "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_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- time = _iwl_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- if (mode == 0) {
- /* data, ev */
- if (bufsz) {
- pos += scnprintf(*buf + pos, bufsz - pos,
- "0x%08x:%04u\n",
- time, ev);
- } else {
- IWL_ERR(priv, "0x%08x\t%04u\n", time, ev);
- trace_iwlwifi_legacy_dev_ucode_event(priv, 0,
- time, ev);
- }
- } else {
- data = _iwl_legacy_read_direct32(priv,
- HBUS_TARG_MEM_RDAT);
- if (bufsz) {
- pos += scnprintf(*buf + pos, bufsz - pos,
- "%010u:0x%08x:%04u\n",
- time, data, ev);
- } else {
- IWL_ERR(priv, "%010u\t0x%08x\t%04u\n",
- time, data, ev);
- trace_iwlwifi_legacy_dev_ucode_event(priv, time,
- data, ev);
- }
- }
- }
-
- /* Allow device to power down */
- iwl_release_nic_access(priv);
- spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
- return pos;
-}
-
-/**
- * iwl3945_print_last_event_logs - Dump the newest # of event log to syslog
- */
-static int iwl3945_print_last_event_logs(struct iwl_priv *priv, 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 = iwl3945_print_event_log(priv,
- capacity - (size - next_entry),
- size - next_entry, mode,
- pos, buf, bufsz);
- pos = iwl3945_print_event_log(priv, 0,
- next_entry, mode,
- pos, buf, bufsz);
- } else
- pos = iwl3945_print_event_log(priv, next_entry - size,
- size, mode,
- pos, buf, bufsz);
- } else {
- if (next_entry < size)
- pos = iwl3945_print_event_log(priv, 0,
- next_entry, mode,
- pos, buf, bufsz);
- else
- pos = iwl3945_print_event_log(priv, next_entry - size,
- size, mode,
- pos, buf, bufsz);
- }
- return pos;
-}
-
-#define DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES (20)
-
-int iwl3945_dump_nic_event_log(struct iwl_priv *priv, 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 */
- int pos = 0;
- size_t bufsz = 0;
-
- base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
- if (!iwl3945_hw_valid_rtc_data_addr(base)) {
- IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base);
- return -EINVAL;
- }
-
- /* event log header */
- capacity = iwl_legacy_read_targ_mem(priv, base);
- mode = iwl_legacy_read_targ_mem(priv, base + (1 * sizeof(u32)));
- num_wraps = iwl_legacy_read_targ_mem(priv, base + (2 * sizeof(u32)));
- next_entry = iwl_legacy_read_targ_mem(priv, base + (3 * sizeof(u32)));
-
- if (capacity > priv->cfg->base_params->max_event_log_size) {
- IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n",
- capacity, priv->cfg->base_params->max_event_log_size);
- capacity = priv->cfg->base_params->max_event_log_size;
- }
-
- if (next_entry > priv->cfg->base_params->max_event_log_size) {
- IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n",
- next_entry, priv->cfg->base_params->max_event_log_size);
- next_entry = priv->cfg->base_params->max_event_log_size;
- }
-
- size = num_wraps ? capacity : next_entry;
-
- /* bail out if nothing in log */
- if (size == 0) {
- IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n");
- return pos;
- }
-
-#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
- if (!(iwl_legacy_get_debug_level(priv) & IWL_DL_FW_ERRORS) && !full_log)
- size = (size > DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES)
- ? DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES : size;
-#else
- size = (size > DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES)
- ? DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES : size;
-#endif
-
- IWL_ERR(priv, "Start IWL Event Log Dump: display last %d count\n",
- size);
-
-#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
- if (display) {
- if (full_log)
- bufsz = capacity * 48;
- else
- bufsz = size * 48;
- *buf = kmalloc(bufsz, GFP_KERNEL);
- if (!*buf)
- return -ENOMEM;
- }
- if ((iwl_legacy_get_debug_level(priv) & 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 = iwl3945_print_event_log(priv, next_entry,
- capacity - next_entry, mode,
- pos, buf, bufsz);
-
- /* (then/else) start at top of log */
- pos = iwl3945_print_event_log(priv, 0, next_entry, mode,
- pos, buf, bufsz);
- } else
- pos = iwl3945_print_last_event_logs(priv, capacity, num_wraps,
- next_entry, size, mode,
- pos, buf, bufsz);
-#else
- pos = iwl3945_print_last_event_logs(priv, capacity, num_wraps,
- next_entry, size, mode,
- pos, buf, bufsz);
-#endif
- return pos;
-}
-
static void iwl3945_irq_tasklet(struct iwl_priv *priv)
{
u32 inta, handled = 0;
iwl_legacy_send_statistics_request(priv, CMD_ASYNC, false);
}
-
-static void iwl4965_print_cont_event_trace(struct iwl_priv *priv, u32 base,
- u32 start_idx, u32 num_events,
- u32 mode)
-{
- u32 i;
- u32 ptr; /* SRAM byte address of log data */
- u32 ev, time, data; /* event log data */
- unsigned long reg_flags;
-
- if (mode == 0)
- ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32));
- else
- ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32));
-
- /* Make sure device is powered up for SRAM reads */
- spin_lock_irqsave(&priv->reg_lock, reg_flags);
- if (iwl_grab_nic_access(priv)) {
- spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
- return;
- }
-
- /* Set starting address; reads will auto-increment */
- _iwl_legacy_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr);
- rmb();
-
- /*
- * "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_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- time = _iwl_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- if (mode == 0) {
- trace_iwlwifi_legacy_dev_ucode_cont_event(priv,
- 0, time, ev);
- } else {
- data = _iwl_legacy_read_direct32(priv,
- HBUS_TARG_MEM_RDAT);
- trace_iwlwifi_legacy_dev_ucode_cont_event(priv,
- time, data, ev);
- }
- }
- /* Allow device to power down */
- iwl_release_nic_access(priv);
- spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
-}
-
-static void iwl4965_continuous_event_trace(struct iwl_priv *priv)
-{
- u32 capacity; /* event log capacity in # entries */
- u32 base; /* SRAM byte address of event log header */
- 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 */
-
- 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.log_event_table_ptr);
- if (priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
- capacity = iwl_legacy_read_targ_mem(priv, base);
- num_wraps = iwl_legacy_read_targ_mem(priv,
- base + (2 * sizeof(u32)));
- mode = iwl_legacy_read_targ_mem(priv, base + (1 * sizeof(u32)));
- next_entry = iwl_legacy_read_targ_mem(priv,
- base + (3 * sizeof(u32)));
- } else
- return;
-
- if (num_wraps == priv->event_log.num_wraps) {
- iwl4965_print_cont_event_trace(priv,
- base, priv->event_log.next_entry,
- next_entry - priv->event_log.next_entry,
- mode);
- priv->event_log.non_wraps_count++;
- } else {
- if ((num_wraps - priv->event_log.num_wraps) > 1)
- priv->event_log.wraps_more_count++;
- else
- priv->event_log.wraps_once_count++;
- trace_iwlwifi_legacy_dev_ucode_wrap_event(priv,
- num_wraps - priv->event_log.num_wraps,
- next_entry, priv->event_log.next_entry);
- if (next_entry < priv->event_log.next_entry) {
- iwl4965_print_cont_event_trace(priv, base,
- priv->event_log.next_entry,
- capacity - priv->event_log.next_entry,
- mode);
-
- iwl4965_print_cont_event_trace(priv, base, 0,
- next_entry, mode);
- } else {
- iwl4965_print_cont_event_trace(priv, base,
- next_entry, capacity - next_entry,
- mode);
-
- iwl4965_print_cont_event_trace(priv, base, 0,
- next_entry, mode);
- }
- }
- priv->event_log.num_wraps = num_wraps;
- priv->event_log.next_entry = next_entry;
-}
-
-/**
- * iwl4965_bg_ucode_trace - Timer callback to log ucode event
- *
- * The timer is continually set to execute every
- * UCODE_TRACE_PERIOD milliseconds after the last timer expired
- * this function is to perform continuous uCode event logging operation
- * if enabled
- */
-static void iwl4965_bg_ucode_trace(unsigned long data)
-{
- struct iwl_priv *priv = (struct iwl_priv *)data;
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return;
-
- if (priv->event_log.ucode_trace) {
- iwl4965_continuous_event_trace(priv);
- /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */
- mod_timer(&priv->ucode_trace,
- jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
- }
-}
-
static void iwl4965_rx_beacon_notif(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
pc, blink1, blink2, ilink1, ilink2, hcmd);
}
-#define EVENT_START_OFFSET (4 * sizeof(u32))
-
-/**
- * iwl4965_print_event_log - Dump error event log to syslog
- *
- */
-static int iwl4965_print_event_log(struct iwl_priv *priv, 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;
-
- 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);
-
- /* Make sure device is powered up for SRAM reads */
- spin_lock_irqsave(&priv->reg_lock, reg_flags);
- iwl_grab_nic_access(priv);
-
- /* Set starting address; reads will auto-increment */
- _iwl_legacy_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr);
- rmb();
-
- /* "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_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- time = _iwl_legacy_read_direct32(priv, 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_legacy_dev_ucode_event(priv, 0,
- time, ev);
- IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n",
- time, ev);
- }
- } else {
- data = _iwl_legacy_read_direct32(priv,
- 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(priv, "EVT_LOGT:%010u:0x%08x:%04u\n",
- time, data, ev);
- trace_iwlwifi_legacy_dev_ucode_event(priv, time,
- data, ev);
- }
- }
- }
-
- /* Allow device to power down */
- iwl_release_nic_access(priv);
- spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
- return pos;
-}
-
-/**
- * iwl4965_print_last_event_logs - Dump the newest # of event log to syslog
- */
-static int iwl4965_print_last_event_logs(struct iwl_priv *priv, 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 = iwl4965_print_event_log(priv,
- capacity - (size - next_entry),
- size - next_entry, mode,
- pos, buf, bufsz);
- pos = iwl4965_print_event_log(priv, 0,
- next_entry, mode,
- pos, buf, bufsz);
- } else
- pos = iwl4965_print_event_log(priv, next_entry - size,
- size, mode, pos, buf, bufsz);
- } else {
- if (next_entry < size) {
- pos = iwl4965_print_event_log(priv, 0, next_entry,
- mode, pos, buf, bufsz);
- } else {
- pos = iwl4965_print_event_log(priv, next_entry - size,
- size, mode, pos, buf, bufsz);
- }
- }
- return pos;
-}
-
-#define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20)
-
-int iwl4965_dump_nic_event_log(struct iwl_priv *priv, 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 */
- int pos = 0;
- size_t bufsz = 0;
-
- 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_ERR(priv,
- "Invalid event log pointer 0x%08X for %s uCode\n",
- base, (priv->ucode_type == UCODE_INIT) ? "Init" : "RT");
- return -EINVAL;
- }
-
- /* event log header */
- capacity = iwl_legacy_read_targ_mem(priv, base);
- mode = iwl_legacy_read_targ_mem(priv, base + (1 * sizeof(u32)));
- num_wraps = iwl_legacy_read_targ_mem(priv, base + (2 * sizeof(u32)));
- next_entry = iwl_legacy_read_targ_mem(priv, base + (3 * sizeof(u32)));
-
- size = num_wraps ? capacity : next_entry;
-
- /* bail out if nothing in log */
- if (size == 0) {
- IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n");
- return pos;
- }
-
-#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
- if (!(iwl_legacy_get_debug_level(priv) & 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(priv, "Start IWL Event Log Dump: display last %u entries\n",
- size);
-
-#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
- if (display) {
- if (full_log)
- bufsz = capacity * 48;
- else
- bufsz = size * 48;
- *buf = kmalloc(bufsz, GFP_KERNEL);
- if (!*buf)
- return -ENOMEM;
- }
- if ((iwl_legacy_get_debug_level(priv) & 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 = iwl4965_print_event_log(priv, next_entry,
- capacity - next_entry, mode,
- pos, buf, bufsz);
- /* (then/else) start at top of log */
- pos = iwl4965_print_event_log(priv, 0,
- next_entry, mode, pos, buf, bufsz);
- } else
- pos = iwl4965_print_last_event_logs(priv, capacity, num_wraps,
- next_entry, size, mode,
- pos, buf, bufsz);
-#else
- pos = iwl4965_print_last_event_logs(priv, capacity, num_wraps,
- next_entry, size, mode,
- pos, buf, bufsz);
-#endif
- return pos;
-}
-
static void iwl4965_rf_kill_ct_config(struct iwl_priv *priv)
{
struct iwl_ct_kill_config cmd;
priv->statistics_periodic.data = (unsigned long)priv;
priv->statistics_periodic.function = iwl4965_bg_statistics_periodic;
- init_timer(&priv->ucode_trace);
- priv->ucode_trace.data = (unsigned long)priv;
- priv->ucode_trace.function = iwl4965_bg_ucode_trace;
-
init_timer(&priv->watchdog);
priv->watchdog.data = (unsigned long)priv;
priv->watchdog.function = iwl_legacy_bg_watchdog;
iwl_legacy_cancel_scan_deferred_work(priv);
del_timer_sync(&priv->statistics_periodic);
- del_timer_sync(&priv->ucode_trace);
}
static void iwl4965_init_hw_rates(struct iwl_priv *priv,
projects / mirror_ubuntu-disco-kernel.git / commitdiff