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path: root/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/dbg.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/dbg.c23
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);
}
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