diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/dbg.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 108 |
1 files changed, 79 insertions, 29 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 6594216f873c..03f639fbf9b6 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2005-2014, 2018-2024 Intel Corporation + * Copyright (C) 2005-2014, 2018-2025 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2015-2017 Intel Deutschland GmbH */ @@ -2618,29 +2618,28 @@ static const struct iwl_dump_ini_mem_ops iwl_dump_ini_region_ops[] = { }, }; -static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt, - struct iwl_fwrt_dump_data *dump_data, - struct list_head *list) +enum iwl_dump_ini_region_selector { + IWL_INI_DUMP_ALL_REGIONS, + IWL_INI_DUMP_EARLY_REGIONS, + IWL_INI_DUMP_LATE_REGIONS, +}; + +static u32 +iwl_dump_ini_dump_regions(struct iwl_fw_runtime *fwrt, + struct iwl_fwrt_dump_data *dump_data, + struct list_head *list, + enum iwl_fw_ini_time_point tp_id, + u64 regions_mask, + struct iwl_dump_ini_region_data *imr_reg_data, + enum iwl_dump_ini_region_selector which) { - struct iwl_fw_ini_trigger_tlv *trigger = dump_data->trig; - enum iwl_fw_ini_time_point tp_id = le32_to_cpu(trigger->time_point); - struct iwl_dump_ini_region_data reg_data = { - .dump_data = dump_data, - }; - struct iwl_dump_ini_region_data imr_reg_data = { - .dump_data = dump_data, - }; - int i; u32 size = 0; - u64 regions_mask = le64_to_cpu(trigger->regions_mask) & - ~(fwrt->trans->dbg.unsupported_region_msk); - BUILD_BUG_ON(sizeof(trigger->regions_mask) != sizeof(regions_mask)); - BUILD_BUG_ON((sizeof(trigger->regions_mask) * BITS_PER_BYTE) < - ARRAY_SIZE(fwrt->trans->dbg.active_regions)); - - for (i = 0; i < ARRAY_SIZE(fwrt->trans->dbg.active_regions); i++) { - u32 reg_type; + for (int i = 0; i < ARRAY_SIZE(fwrt->trans->dbg.active_regions); i++) { + struct iwl_dump_ini_region_data reg_data = { + .dump_data = dump_data, + }; + u32 reg_type, dp; struct iwl_fw_ini_region_tlv *reg; if (!(BIT_ULL(i) & regions_mask)) @@ -2658,6 +2657,8 @@ static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt, if (reg_type >= ARRAY_SIZE(iwl_dump_ini_region_ops)) continue; + dp = le32_get_bits(reg->id, IWL_FW_INI_REGION_DUMP_POLICY_MASK); + if ((reg_type == IWL_FW_INI_REGION_PERIPHERY_PHY || reg_type == IWL_FW_INI_REGION_PERIPHERY_PHY_RANGE || reg_type == IWL_FW_INI_REGION_PERIPHERY_SNPS_DPHYIP) && @@ -2667,6 +2668,20 @@ static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt, tp_id); continue; } + + switch (which) { + case IWL_INI_DUMP_ALL_REGIONS: + break; + case IWL_INI_DUMP_EARLY_REGIONS: + if (!(dp & IWL_FW_IWL_DEBUG_DUMP_POLICY_BEFORE_RESET)) + continue; + break; + case IWL_INI_DUMP_LATE_REGIONS: + if (dp & IWL_FW_IWL_DEBUG_DUMP_POLICY_BEFORE_RESET) + continue; + break; + } + /* * DRAM_IMR can be collected only for FW/HW error timepoint * when fw is not alive. In addition, it must be collected @@ -2676,7 +2691,8 @@ static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt, if (reg_type == IWL_FW_INI_REGION_DRAM_IMR) { if (tp_id == IWL_FW_INI_TIME_POINT_FW_ASSERT || tp_id == IWL_FW_INI_TIME_POINT_FW_HW_ERROR) - imr_reg_data.reg_tlv = fwrt->trans->dbg.active_regions[i]; + imr_reg_data->reg_tlv = + fwrt->trans->dbg.active_regions[i]; else IWL_INFO(fwrt, "WRT: trying to collect DRAM_IMR at time point: %d, skipping\n", @@ -2689,9 +2705,44 @@ static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt, size += iwl_dump_ini_mem(fwrt, list, ®_data, &iwl_dump_ini_region_ops[reg_type]); } + + return size; +} + +static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt, + struct iwl_fwrt_dump_data *dump_data, + struct list_head *list) +{ + struct iwl_fw_ini_trigger_tlv *trigger = dump_data->trig; + enum iwl_fw_ini_time_point tp_id = le32_to_cpu(trigger->time_point); + struct iwl_dump_ini_region_data imr_reg_data = { + .dump_data = dump_data, + }; + u32 size = 0; + u64 regions_mask = le64_to_cpu(trigger->regions_mask) & + ~(fwrt->trans->dbg.unsupported_region_msk); + + BUILD_BUG_ON(sizeof(trigger->regions_mask) != sizeof(regions_mask)); + BUILD_BUG_ON((sizeof(trigger->regions_mask) * BITS_PER_BYTE) < + ARRAY_SIZE(fwrt->trans->dbg.active_regions)); + + if (trigger->time_point & + cpu_to_le32(IWL_FW_INI_APPLY_POLICY_RESET_HANDSHAKE)) { + size += iwl_dump_ini_dump_regions(fwrt, dump_data, list, tp_id, + regions_mask, &imr_reg_data, + IWL_INI_DUMP_EARLY_REGIONS); + iwl_trans_pcie_fw_reset_handshake(fwrt->trans); + size += iwl_dump_ini_dump_regions(fwrt, dump_data, list, tp_id, + regions_mask, &imr_reg_data, + IWL_INI_DUMP_LATE_REGIONS); + } else { + size += iwl_dump_ini_dump_regions(fwrt, dump_data, list, tp_id, + regions_mask, &imr_reg_data, + IWL_INI_DUMP_ALL_REGIONS); + } /* collect DRAM_IMR region in the last */ if (imr_reg_data.reg_tlv) - size += iwl_dump_ini_mem(fwrt, list, ®_data, + size += iwl_dump_ini_mem(fwrt, list, &imr_reg_data, &iwl_dump_ini_region_ops[IWL_FW_INI_REGION_DRAM_IMR]); if (size) { @@ -3072,9 +3123,8 @@ int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, u8 conf_id) } IWL_EXPORT_SYMBOL(iwl_fw_start_dbg_conf); -void iwl_send_dbg_dump_complete_cmd(struct iwl_fw_runtime *fwrt, - u32 timepoint, - u32 timepoint_data) +static void iwl_send_dbg_dump_complete_cmd(struct iwl_fw_runtime *fwrt, + u32 timepoint, u32 timepoint_data) { struct iwl_dbg_dump_complete_cmd hcmd_data; struct iwl_host_cmd hcmd = { @@ -3102,6 +3152,7 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx) struct iwl_fw_dbg_params params = {0}; struct iwl_fwrt_dump_data *dump_data = &fwrt->dump.wks[wk_idx].dump_data; + if (!test_bit(wk_idx, &fwrt->dump.active_wks)) return; @@ -3126,9 +3177,9 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx) IWL_DEBUG_FW_INFO(fwrt, "WRT: Data collection start\n"); if (iwl_trans_dbg_ini_valid(fwrt->trans)) - iwl_fw_error_ini_dump(fwrt, &fwrt->dump.wks[wk_idx].dump_data); + iwl_fw_error_ini_dump(fwrt, dump_data); else - iwl_fw_error_dump(fwrt, &fwrt->dump.wks[wk_idx].dump_data); + iwl_fw_error_dump(fwrt, dump_data); IWL_DEBUG_FW_INFO(fwrt, "WRT: Data collection done\n"); iwl_fw_dbg_stop_restart_recording(fwrt, ¶ms, false); @@ -3145,7 +3196,6 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx) if (fwrt->trans->dbg.last_tp_resetfw == IWL_FW_INI_RESET_FW_MODE_STOP_FW_ONLY) iwl_force_nmi(fwrt->trans); - out: if (iwl_trans_dbg_ini_valid(fwrt->trans)) { iwl_fw_error_dump_data_free(dump_data); |