diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/dbg.h')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/dbg.h | 266 |
1 files changed, 266 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 0000000..10855dc --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h @@ -0,0 +1,266 @@ +/****************************************************************************** + * + * 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 + * 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 + * 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 + * Copyright(c) 2018 Intel Corporation + * 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 "iwl-prph.h" +#include "iwl-io.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; + fwrt->dump.trig = 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_dbg_stop_recording(struct iwl_fw_runtime *fwrt) +{ + if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) { + iwl_set_bits_prph(fwrt->trans, MON_BUFF_SAMPLE_CTL, 0x100); + } else { + iwl_write_prph(fwrt->trans, DBGC_IN_SAMPLE, 0); + udelay(100); + iwl_write_prph(fwrt->trans, DBGC_OUT_CTRL, 0); + } +} + +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); +} + +#ifdef CPTCFG_IWLWIFI_DEBUGFS +static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt) +{ + fwrt->timestamp.delay = 0; + cancel_delayed_work_sync(&fwrt->timestamp.wk); +} + +void iwl_fw_trigger_timestamp(struct iwl_fw_runtime *fwrt, u32 delay); + +static inline void iwl_fw_suspend_timestamp(struct iwl_fw_runtime *fwrt) +{ + cancel_delayed_work_sync(&fwrt->timestamp.wk); +} + +static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt) +{ + if (!fwrt->timestamp.delay) + return; + + schedule_delayed_work(&fwrt->timestamp.wk, + round_jiffies_relative(fwrt->timestamp.delay)); +} + +#else + +static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt) {} + +static inline void iwl_fw_trigger_timestamp(struct iwl_fw_runtime *fwrt, + u32 delay) {} + +static inline void iwl_fw_suspend_timestamp(struct iwl_fw_runtime *fwrt) {} + +static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt) {} + +#endif /* CPTCFG_IWLWIFI_DEBUGFS */ + +#endif /* __iwl_fw_dbg_h__ */ |