diff options
| author |   Mukesh Sisodiya <mukesh.sisodiya@intel.com> | 2021-12-19 12:18:13 +0200 |
|---|---|---|
| committer |   Luca Coelho <luciano.coelho@intel.com> | 2021-12-21 12:35:06 +0200 |
| commit | ddb6b76b6f96afb2977c3c460acf18cc0dd13cae (patch) | |
| tree | ca1c8e2771a10944d6ab3f4e5e601a922d4a8ed4 /drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c | |
| parent | iwlwifi: mvm: change old-SN drop threshold (diff) | |
| download | wireguard-linux-ddb6b76b6f96afb2977c3c460acf18cc0dd13cae.tar.xz wireguard-linux-ddb6b76b6f96afb2977c3c460acf18cc0dd13cae.zip | |
iwlwifi: yoyo: support TLV-based firmware reset
Support resetting the firmware via TLV-based debugging. When applied,
this will cause the driver to reset the firmware when the debugging
is triggered.
Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211219121514.d59b29653a1e.I7b3be4a1ad1a9d5d0e86259740e89ac113c9348b@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c index c2fbda2ffe7e..c73672d61356 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c @@ -233,6 +233,7 @@ static int iwl_dbg_tlv_alloc_trigger(struct iwl_trans *trans, const struct iwl_fw_ini_trigger_tlv *trig = (const void *)tlv->data; struct iwl_fw_ini_trigger_tlv *dup_trig; u32 tp = le32_to_cpu(trig->time_point); + u32 rf = le32_to_cpu(trig->reset_fw); struct iwl_ucode_tlv *dup = NULL; int ret; @@ -247,6 +248,10 @@ static int iwl_dbg_tlv_alloc_trigger(struct iwl_trans *trans, return -EINVAL; } + IWL_DEBUG_FW(trans, + "WRT: time point %u for trigger TLV with reset_fw %u\n", + tp, rf); + trans->dbg.last_tp_resetfw = 0xFF; if (!le32_to_cpu(trig->occurrences)) { dup = kmemdup(tlv, sizeof(*tlv) + le32_to_cpu(tlv->length), GFP_KERNEL); @@ -1166,6 +1171,8 @@ iwl_dbg_tlv_tp_trigger(struct iwl_fw_runtime *fwrt, bool sync, u32 num_data = iwl_tlv_array_len(&node->tlv, dump_data.trig, data); int ret, i; + u32 tp = le32_to_cpu(dump_data.trig->time_point); + if (!num_data) { ret = iwl_fw_dbg_ini_collect(fwrt, &dump_data, sync); @@ -1184,8 +1191,42 @@ iwl_dbg_tlv_tp_trigger(struct iwl_fw_runtime *fwrt, bool sync, break; } } - } + fwrt->trans->dbg.restart_required = FALSE; + IWL_DEBUG_INFO(fwrt, "WRT: tp %d, reset_fw %d\n", + tp, dump_data.trig->reset_fw); + IWL_DEBUG_INFO(fwrt, "WRT: restart_required %d, last_tp_resetfw %d\n", + fwrt->trans->dbg.restart_required, + fwrt->trans->dbg.last_tp_resetfw); + + if (fwrt->trans->trans_cfg->device_family == + IWL_DEVICE_FAMILY_9000) { + fwrt->trans->dbg.restart_required = TRUE; + } else if (tp == IWL_FW_INI_TIME_POINT_FW_ASSERT && + fwrt->trans->dbg.last_tp_resetfw == + IWL_FW_INI_RESET_FW_MODE_STOP_FW_ONLY) { + fwrt->trans->dbg.restart_required = FALSE; + fwrt->trans->dbg.last_tp_resetfw = 0xFF; + IWL_DEBUG_FW(fwrt, "WRT: FW_ASSERT due to reset_fw_mode-no restart\n"); + } else if (le32_to_cpu(dump_data.trig->reset_fw) == + IWL_FW_INI_RESET_FW_MODE_STOP_AND_RELOAD_FW) { + IWL_DEBUG_INFO(fwrt, "WRT: stop and reload firmware\n"); + fwrt->trans->dbg.restart_required = TRUE; + } else if (le32_to_cpu(dump_data.trig->reset_fw) == + IWL_FW_INI_RESET_FW_MODE_STOP_FW_ONLY) { + IWL_DEBUG_INFO(fwrt, "WRT: stop only and no reload firmware\n"); + fwrt->trans->dbg.restart_required = FALSE; + fwrt->trans->dbg.last_tp_resetfw = + le32_to_cpu(dump_data.trig->reset_fw); + } else if (le32_to_cpu(dump_data.trig->reset_fw) == + IWL_FW_INI_RESET_FW_MODE_NOTHING) { + IWL_DEBUG_INFO(fwrt, + "WRT: nothing need to be done after debug collection\n"); + } else { + IWL_ERR(fwrt, "WRT: wrong resetfw %d\n", + le32_to_cpu(dump_data.trig->reset_fw)); + } + } return 0; } |