diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/dbg.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 72 |
1 files changed, 59 insertions, 13 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 55219974b92b..3ab6a68f1e9f 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, 2018-2021 Intel Corporation + * Copyright (C) 2005-2014, 2018-2023 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2015-2017 Intel Deutschland GmbH */ @@ -1038,7 +1038,7 @@ iwl_dump_ini_prph_mac_iter(struct iwl_fw_runtime *fwrt, range->range_data_size = reg->dev_addr.size; for (i = 0; i < le32_to_cpu(reg->dev_addr.size); i += 4) { prph_val = iwl_read_prph(fwrt->trans, addr + i); - if ((prph_val & ~0xf) == 0xa5a5a5a0) + if (iwl_trans_is_hw_error_value(prph_val)) return -EBUSY; *val++ = cpu_to_le32(prph_val); } @@ -1562,7 +1562,7 @@ iwl_dump_ini_dbgi_sram_iter(struct iwl_fw_runtime *fwrt, prph_data = iwl_read_prph_no_grab(fwrt->trans, (i % 2) ? DBGI_SRAM_TARGET_ACCESS_RDATA_MSB : DBGI_SRAM_TARGET_ACCESS_RDATA_LSB); - if ((prph_data & ~0xf) == 0xa5a5a5a0) { + if (iwl_trans_is_hw_error_value(prph_data)) { iwl_trans_release_nic_access(fwrt->trans); return -EBUSY; } @@ -2034,7 +2034,6 @@ static u32 iwl_dump_ini_imr_get_size(struct iwl_fw_runtime *fwrt, struct iwl_dump_ini_region_data *reg_data) { - u32 size = 0; u32 ranges = 0; u32 imr_enable = fwrt->trans->dbg.imr_data.imr_enable; u32 imr_size = fwrt->trans->dbg.imr_data.imr_size; @@ -2044,17 +2043,16 @@ iwl_dump_ini_imr_get_size(struct iwl_fw_runtime *fwrt, IWL_DEBUG_INFO(fwrt, "WRT: Invalid imr data enable: %d, imr_size: %d, sram_size: %d\n", imr_enable, imr_size, sram_size); - return size; + return 0; } - size = imr_size; ranges = iwl_dump_ini_imr_ranges(fwrt, reg_data); - if (!size && !ranges) { - IWL_ERR(fwrt, "WRT: imr_size :=%d, ranges :=%d\n", size, ranges); + if (!ranges) { + IWL_ERR(fwrt, "WRT: ranges :=%d\n", ranges); return 0; } - size += sizeof(struct iwl_fw_ini_error_dump) + + imr_size += sizeof(struct iwl_fw_ini_error_dump) + ranges * sizeof(struct iwl_fw_ini_error_dump_range); - return size; + return imr_size; } /** @@ -3156,6 +3154,51 @@ static int iwl_fw_dbg_restart_recording(struct iwl_trans *trans, return 0; } +int iwl_fw_send_timestamp_marker_cmd(struct iwl_fw_runtime *fwrt) +{ + struct iwl_mvm_marker marker = { + .dw_len = sizeof(struct iwl_mvm_marker) / 4, + .marker_id = MARKER_ID_SYNC_CLOCK, + }; + struct iwl_host_cmd hcmd = { + .flags = CMD_ASYNC, + .id = WIDE_ID(LONG_GROUP, MARKER_CMD), + .dataflags = {}, + }; + struct iwl_mvm_marker_rsp *resp; + int cmd_ver = iwl_fw_lookup_cmd_ver(fwrt->fw, + WIDE_ID(LONG_GROUP, MARKER_CMD), + IWL_FW_CMD_VER_UNKNOWN); + int ret; + + if (cmd_ver == 1) { + /* the real timestamp is taken from the ftrace clock + * this is for finding the match between fw and kernel logs + */ + marker.timestamp = cpu_to_le64(fwrt->timestamp.seq++); + } else if (cmd_ver == 2) { + marker.timestamp = cpu_to_le64(ktime_get_boottime_ns()); + } else { + IWL_DEBUG_INFO(fwrt, + "Invalid version of Marker CMD. Ver = %d\n", + cmd_ver); + return -EINVAL; + } + + hcmd.data[0] = ▮ + hcmd.len[0] = sizeof(marker); + + ret = iwl_trans_send_cmd(fwrt->trans, &hcmd); + + if (cmd_ver > 1 && hcmd.resp_pkt) { + resp = (void *)hcmd.resp_pkt->data; + IWL_DEBUG_INFO(fwrt, "FW GP2 time: %u\n", + le32_to_cpu(resp->gp2)); + } + + return ret; +} + void iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt, struct iwl_fw_dbg_params *params, bool stop) @@ -3166,12 +3209,15 @@ void iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt, return; if (fw_has_capa(&fwrt->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_DBG_SUSPEND_RESUME_CMD_SUPP)) + IWL_UCODE_TLV_CAPA_DBG_SUSPEND_RESUME_CMD_SUPP)) { + if (stop) + iwl_fw_send_timestamp_marker_cmd(fwrt); ret = iwl_fw_dbg_suspend_resume_hcmd(fwrt->trans, stop); - else if (stop) + } else if (stop) { iwl_fw_dbg_stop_recording(fwrt->trans, params); - else + } else { ret = iwl_fw_dbg_restart_recording(fwrt->trans, params); + } #ifdef CONFIG_IWLWIFI_DEBUGFS if (!ret) { if (stop) |