diff options
Diffstat (limited to 'drivers/net/ethernet/meta/fbnic/fbnic_debugfs.c')
| -rw-r--r-- | drivers/net/ethernet/meta/fbnic/fbnic_debugfs.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_debugfs.c b/drivers/net/ethernet/meta/fbnic/fbnic_debugfs.c index e8f2d7f2d962..b7238dd967fe 100644 --- a/drivers/net/ethernet/meta/fbnic/fbnic_debugfs.c +++ b/drivers/net/ethernet/meta/fbnic/fbnic_debugfs.c @@ -170,6 +170,33 @@ static int fbnic_dbg_ipo_dst_show(struct seq_file *s, void *v) } DEFINE_SHOW_ATTRIBUTE(fbnic_dbg_ipo_dst); +static int fbnic_dbg_fw_log_show(struct seq_file *s, void *v) +{ + struct fbnic_dev *fbd = s->private; + struct fbnic_fw_log_entry *entry; + unsigned long flags; + + if (!fbnic_fw_log_ready(fbd)) + return -ENXIO; + + spin_lock_irqsave(&fbd->fw_log.lock, flags); + + list_for_each_entry_reverse(entry, &fbd->fw_log.entries, list) { + seq_printf(s, FBNIC_FW_LOG_FMT, entry->index, + (entry->timestamp / (MSEC_PER_SEC * 60 * 60 * 24)), + (entry->timestamp / (MSEC_PER_SEC * 60 * 60)) % 24, + ((entry->timestamp / (MSEC_PER_SEC * 60) % 60)), + ((entry->timestamp / MSEC_PER_SEC) % 60), + (entry->timestamp % MSEC_PER_SEC), + entry->msg); + } + + spin_unlock_irqrestore(&fbd->fw_log.lock, flags); + + return 0; +} +DEFINE_SHOW_ATTRIBUTE(fbnic_dbg_fw_log); + static int fbnic_dbg_pcie_stats_show(struct seq_file *s, void *v) { struct fbnic_dev *fbd = s->private; @@ -222,6 +249,8 @@ void fbnic_dbg_fbd_init(struct fbnic_dev *fbd) &fbnic_dbg_ipo_src_fops); debugfs_create_file("ipo_dst", 0400, fbd->dbg_fbd, fbd, &fbnic_dbg_ipo_dst_fops); + debugfs_create_file("fw_log", 0400, fbd->dbg_fbd, fbd, + &fbnic_dbg_fw_log_fops); } void fbnic_dbg_fbd_exit(struct fbnic_dev *fbd) |