diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/dbg.c')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 67aefc8fc9ac..fa283285fcbe 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -8,6 +8,7 @@ * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -33,6 +34,7 @@ * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -66,6 +68,7 @@ #include "iwl-drv.h" #include "runtime.h" #include "dbg.h" +#include "debugfs.h" #include "iwl-io.h" #include "iwl-prph.h" #include "iwl-csr.h" @@ -942,7 +945,6 @@ dump_trans_data: out: iwl_fw_free_dump_desc(fwrt); - fwrt->dump.trig = NULL; clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status); IWL_DEBUG_INFO(fwrt, "WRT dump done\n"); } @@ -1006,6 +1008,12 @@ int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, { struct iwl_fw_dump_desc *desc; + if (trigger && trigger->flags & IWL_FW_DBG_FORCE_RESTART) { + IWL_WARN(fwrt, "Force restart: trigger %d fired.\n", trig); + iwl_force_nmi(fwrt->trans); + return 0; + } + desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC); if (!desc) return -ENOMEM; @@ -1079,6 +1087,9 @@ int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, u8 conf_id) IWL_WARN(fwrt, "FW already configured (%d) - re-configuring\n", fwrt->dump.conf); + /* start default config marker cmd for syncing logs */ + iwl_fw_trigger_timestamp(fwrt, 1); + /* Send all HCMDs for configuring the FW debug */ ptr = (void *)&fwrt->fw->dbg_conf_tlv[conf_id]->hcmd; for (i = 0; i < fwrt->fw->dbg_conf_tlv[conf_id]->num_of_hcmds; i++) { @@ -1112,6 +1123,14 @@ void iwl_fw_error_dump_wk(struct work_struct *work) fwrt->ops->dump_start(fwrt->ops_ctx)) return; + if (fwrt->ops && fwrt->ops->fw_running && + !fwrt->ops->fw_running(fwrt->ops_ctx)) { + IWL_ERR(fwrt, "Firmware not running - cannot dump error\n"); + iwl_fw_free_dump_desc(fwrt); + clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status); + goto out; + } + if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) { /* stop recording */ iwl_fw_dbg_stop_recording(fwrt); @@ -1145,7 +1164,7 @@ void iwl_fw_error_dump_wk(struct work_struct *work) iwl_write_prph(fwrt->trans, DBGC_OUT_CTRL, out_ctrl); } } - +out: if (fwrt->ops && fwrt->ops->dump_end) fwrt->ops->dump_end(fwrt->ops_ctx); } |