diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/dbg.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 153 |
1 files changed, 84 insertions, 69 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index ab4a8b942c81..0f0a6727701b 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1,66 +1,9 @@ -/****************************************************************************** - * - * 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 - 2020 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. - * - * 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 - 2020 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. - * - *****************************************************************************/ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* + * Copyright (C) 2005-2014, 2018-2020 Intel Corporation + * Copyright (C) 2013-2015 Intel Mobile Communications GmbH + * Copyright (C) 2015-2017 Intel Deutschland GmbH + */ #include <linux/devcoredump.h> #include "iwl-drv.h" #include "runtime.h" @@ -1066,9 +1009,10 @@ struct iwl_dump_ini_region_data { struct iwl_fwrt_dump_data *dump_data; }; -static int iwl_dump_ini_prph_iter(struct iwl_fw_runtime *fwrt, - struct iwl_dump_ini_region_data *reg_data, - void *range_ptr, int idx) +static int +iwl_dump_ini_prph_mac_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, int idx) { struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; struct iwl_fw_ini_error_dump_range *range = range_ptr; @@ -1090,6 +1034,58 @@ static int iwl_dump_ini_prph_iter(struct iwl_fw_runtime *fwrt, return sizeof(*range) + le32_to_cpu(range->range_data_size); } +static int +iwl_dump_ini_prph_phy_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_error_dump_range *range = range_ptr; + __le32 *val = range->data; + u32 indirect_wr_addr = WMAL_INDRCT_RD_CMD1; + u32 indirect_rd_addr = WMAL_MRSPF_1; + u32 prph_val; + u32 addr = le32_to_cpu(reg->addrs[idx]); + u32 dphy_state; + u32 dphy_addr; + unsigned long flags; + int i; + + range->internal_base_addr = cpu_to_le32(addr); + range->range_data_size = reg->dev_addr.size; + + if (fwrt->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210) + indirect_wr_addr = WMAL_INDRCT_CMD1; + + indirect_wr_addr += le32_to_cpu(reg->dev_addr.offset); + indirect_rd_addr += le32_to_cpu(reg->dev_addr.offset); + + if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) + return -EBUSY; + + dphy_addr = (reg->dev_addr.offset) ? WFPM_LMAC2_PS_CTL_RW : + WFPM_LMAC1_PS_CTL_RW; + dphy_state = iwl_read_umac_prph_no_grab(fwrt->trans, dphy_addr); + + for (i = 0; i < le32_to_cpu(reg->dev_addr.size); i += 4) { + if (dphy_state == HBUS_TIMEOUT || + (dphy_state & WFPM_PS_CTL_RW_PHYRF_PD_FSM_CURSTATE_MSK) != + WFPM_PHYRF_STATE_ON) { + *val++ = cpu_to_le32(WFPM_DPHY_OFF); + continue; + } + + iwl_write_prph_no_grab(fwrt->trans, indirect_wr_addr, + WMAL_INDRCT_CMD(addr + i)); + prph_val = iwl_read_prph_no_grab(fwrt->trans, + indirect_rd_addr); + *val++ = cpu_to_le32(prph_val); + } + + iwl_trans_release_nic_access(fwrt->trans, &flags); + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} + static int iwl_dump_ini_csr_iter(struct iwl_fw_runtime *fwrt, struct iwl_dump_ini_region_data *reg_data, void *range_ptr, int idx) @@ -1609,6 +1605,11 @@ iwl_dump_ini_mon_fill_header(struct iwl_fw_runtime *fwrt, data->write_ptr = iwl_get_mon_reg(fwrt, alloc_id, &addrs->write_ptr); + if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) { + u32 wrt_ptr = le32_to_cpu(data->write_ptr); + + data->write_ptr = cpu_to_le32(wrt_ptr >> 2); + } data->cycle_cnt = iwl_get_mon_reg(fwrt, alloc_id, &addrs->cycle_cnt); data->cur_frag = iwl_get_mon_reg(fwrt, alloc_id, @@ -1923,7 +1924,7 @@ struct iwl_dump_ini_mem_ops { * * @fwrt: fw runtime struct * @list: list to add the dump tlv to - * @reg: memory region + * @reg_data: memory region * @ops: memory dump operations */ static u32 iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, struct list_head *list, @@ -2152,9 +2153,14 @@ static const struct iwl_dump_ini_mem_ops iwl_dump_ini_region_ops[] = { .get_num_of_ranges = iwl_dump_ini_mem_ranges, .get_size = iwl_dump_ini_mem_get_size, .fill_mem_hdr = iwl_dump_ini_mem_fill_header, - .fill_range = iwl_dump_ini_prph_iter, + .fill_range = iwl_dump_ini_prph_mac_iter, + }, + [IWL_FW_INI_REGION_PERIPHERY_PHY] = { + .get_num_of_ranges = iwl_dump_ini_mem_ranges, + .get_size = iwl_dump_ini_mem_get_size, + .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .fill_range = iwl_dump_ini_prph_phy_iter, }, - [IWL_FW_INI_REGION_PERIPHERY_PHY] = {}, [IWL_FW_INI_REGION_PERIPHERY_AUX] = {}, [IWL_FW_INI_REGION_PAGING] = { .fill_mem_hdr = iwl_dump_ini_mem_fill_header, @@ -2188,6 +2194,7 @@ static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt, 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 reg_data = { .dump_data = dump_data, }; @@ -2218,6 +2225,14 @@ static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt, if (reg_type >= ARRAY_SIZE(iwl_dump_ini_region_ops)) continue; + if (reg_type == IWL_FW_INI_REGION_PERIPHERY_PHY && + tp_id != IWL_FW_INI_TIME_POINT_FW_ASSERT) { + IWL_WARN(fwrt, + "WRT: trying to collect phy prph at time point: %d, skipping\n", + tp_id); + continue; + } + size += iwl_dump_ini_mem(fwrt, list, ®_data, &iwl_dump_ini_region_ops[reg_type]); } |