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-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/dbg.h214
1 files changed, 214 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
new file mode 100644
index 000000000000..0f810ea89d31
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
@@ -0,0 +1,214 @@
+/******************************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
+ *
+ * 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
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program;
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called COPYING.
+ *
+ * Contact Information:
+ * Intel Linux Wireless <linuxwifi@intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *****************************************************************************/
+
+#ifndef __iwl_fw_dbg_h__
+#define __iwl_fw_dbg_h__
+#include <linux/workqueue.h>
+#include <net/cfg80211.h>
+#include "runtime.h"
+#include "file.h"
+#include "error-dump.h"
+
+/**
+ * struct iwl_fw_dump_desc - describes the dump
+ * @len: length of trig_desc->data
+ * @trig_desc: the description of the dump
+ */
+struct iwl_fw_dump_desc {
+ size_t len;
+ /* must be last */
+ struct iwl_fw_error_dump_trigger_desc trig_desc;
+};
+
+extern const struct iwl_fw_dump_desc iwl_dump_desc_assert;
+
+static inline void iwl_fw_free_dump_desc(struct iwl_fw_runtime *fwrt)
+{
+ if (fwrt->dump.desc != &iwl_dump_desc_assert)
+ kfree(fwrt->dump.desc);
+ fwrt->dump.desc = NULL;
+}
+
+void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt);
+int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt,
+ const struct iwl_fw_dump_desc *desc,
+ const struct iwl_fw_dbg_trigger_tlv *trigger);
+int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt,
+ enum iwl_fw_dbg_trigger trig,
+ const char *str, size_t len,
+ const struct iwl_fw_dbg_trigger_tlv *trigger);
+int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt,
+ struct iwl_fw_dbg_trigger_tlv *trigger,
+ const char *fmt, ...) __printf(3, 4);
+int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, u8 id);
+
+#define iwl_fw_dbg_trigger_enabled(fw, id) ({ \
+ void *__dbg_trigger = (fw)->dbg_trigger_tlv[(id)]; \
+ unlikely(__dbg_trigger); \
+})
+
+static inline struct iwl_fw_dbg_trigger_tlv*
+_iwl_fw_dbg_get_trigger(const struct iwl_fw *fw, enum iwl_fw_dbg_trigger id)
+{
+ return fw->dbg_trigger_tlv[id];
+}
+
+#define iwl_fw_dbg_get_trigger(fw, id) ({ \
+ BUILD_BUG_ON(!__builtin_constant_p(id)); \
+ BUILD_BUG_ON((id) >= FW_DBG_TRIGGER_MAX); \
+ _iwl_fw_dbg_get_trigger((fw), (id)); \
+})
+
+static inline bool
+iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
+ struct wireless_dev *wdev)
+{
+ u32 trig_vif = le32_to_cpu(trig->vif_type);
+
+ return trig_vif == IWL_FW_DBG_CONF_VIF_ANY ||
+ wdev->iftype == trig_vif;
+}
+
+static inline bool
+iwl_fw_dbg_trigger_stop_conf_match(struct iwl_fw_runtime *fwrt,
+ struct iwl_fw_dbg_trigger_tlv *trig)
+{
+ return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
+ (fwrt->dump.conf == FW_DBG_INVALID ||
+ (BIT(fwrt->dump.conf) & le32_to_cpu(trig->stop_conf_ids))));
+}
+
+static inline bool
+iwl_fw_dbg_no_trig_window(struct iwl_fw_runtime *fwrt,
+ struct iwl_fw_dbg_trigger_tlv *trig)
+{
+ unsigned long wind_jiff =
+ msecs_to_jiffies(le16_to_cpu(trig->trig_dis_ms));
+ u32 id = le32_to_cpu(trig->id);
+
+ /* If this is the first event checked, jump to update start ts */
+ if (fwrt->dump.non_collect_ts_start[id] &&
+ (time_after(fwrt->dump.non_collect_ts_start[id] + wind_jiff,
+ jiffies)))
+ return true;
+
+ fwrt->dump.non_collect_ts_start[id] = jiffies;
+ return false;
+}
+
+static inline bool
+iwl_fw_dbg_trigger_check_stop(struct iwl_fw_runtime *fwrt,
+ struct wireless_dev *wdev,
+ struct iwl_fw_dbg_trigger_tlv *trig)
+{
+ if (wdev && !iwl_fw_dbg_trigger_vif_match(trig, wdev))
+ return false;
+
+ if (iwl_fw_dbg_no_trig_window(fwrt, trig)) {
+ IWL_WARN(fwrt, "Trigger %d occurred while no-collect window.\n",
+ trig->id);
+ return false;
+ }
+
+ return iwl_fw_dbg_trigger_stop_conf_match(fwrt, trig);
+}
+
+static inline void
+_iwl_fw_dbg_trigger_simple_stop(struct iwl_fw_runtime *fwrt,
+ struct wireless_dev *wdev,
+ struct iwl_fw_dbg_trigger_tlv *trigger)
+{
+ if (!trigger)
+ return;
+
+ if (!iwl_fw_dbg_trigger_check_stop(fwrt, wdev, trigger))
+ return;
+
+ iwl_fw_dbg_collect_trig(fwrt, trigger, NULL);
+}
+
+#define iwl_fw_dbg_trigger_simple_stop(fwrt, wdev, trig) \
+ _iwl_fw_dbg_trigger_simple_stop((fwrt), (wdev), \
+ iwl_fw_dbg_get_trigger((fwrt)->fw,\
+ (trig)))
+
+static inline void iwl_fw_dump_conf_clear(struct iwl_fw_runtime *fwrt)
+{
+ fwrt->dump.conf = FW_DBG_INVALID;
+}
+
+void iwl_fw_error_dump_wk(struct work_struct *work);
+
+static inline void iwl_fw_flush_dump(struct iwl_fw_runtime *fwrt)
+{
+ flush_delayed_work(&fwrt->dump.wk);
+}
+
+static inline void iwl_fw_cancel_dump(struct iwl_fw_runtime *fwrt)
+{
+ cancel_delayed_work_sync(&fwrt->dump.wk);
+}
+
+#endif /* __iwl_fw_dbg_h__ */