diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/debugfs.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c index 0507647228af..a1b276c4dee0 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -945,6 +945,56 @@ iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf, return count; } +static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + enum iwl_fw_dbg_conf conf; + char buf[8]; + const size_t bufsz = sizeof(buf); + int pos = 0; + + mutex_lock(&mvm->mutex); + conf = mvm->fw_dbg_conf; + mutex_unlock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm, + char *buf, size_t count, + loff_t *ppos) +{ + int ret, conf_id; + + ret = kstrtoint(buf, 0, &conf_id); + if (ret) + return ret; + + if (WARN_ON(conf_id >= FW_DBG_MAX)) + return -EINVAL; + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_start_fw_dbg_conf(mvm, conf_id); + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, + char *buf, size_t count, + loff_t *ppos) +{ + mutex_lock(&mvm->mutex); + iwl_mvm_fw_dbg_collect(mvm); + mutex_unlock(&mvm->mutex); + + return count; +} + #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__) #ifdef CONFIG_IWLWIFI_BCAST_FILTERING static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file, @@ -1459,6 +1509,8 @@ MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10); MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); +MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 8); #ifdef CONFIG_IWLWIFI_BCAST_FILTERING MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256); @@ -1500,6 +1552,8 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) S_IWUSR | S_IRUSR); MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR); MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR); + MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR); + MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR); #ifdef CONFIG_IWLWIFI_BCAST_FILTERING if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) { |