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path: root/drivers/net/wireless/intel/iwlwifi/fw/dump.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/dump.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/dump.c114
1 files changed, 49 insertions, 65 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dump.c b/drivers/net/wireless/intel/iwlwifi/fw/dump.c
index f86f7b4baa18..ddd714cff2f4 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dump.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dump.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
- * Copyright (C) 2012-2014, 2018-2022 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2025 Intel Corporation
* Copyright (C) 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015-2017 Intel Deutschland GmbH
*/
@@ -14,13 +14,6 @@
#include "iwl-csr.h"
#include "pnvm.h"
-#define FW_ASSERT_LMAC_FATAL 0x70
-#define FW_ASSERT_LMAC2_FATAL 0x72
-#define FW_ASSERT_UMAC_FATAL 0x71
-#define UMAC_RT_NMI_LMAC2_FATAL 0x72
-#define RT_NMI_INTERRUPT_OTHER_LMAC_FATAL 0x73
-#define FW_ASSERT_NMI_UNKNOWN 0x84
-
/*
* Note: This structure is read from the device with IO accesses,
* and the reading already does the endian conversion. As it is
@@ -103,17 +96,6 @@ struct iwl_umac_error_event_table {
#define ERROR_START_OFFSET (1 * sizeof(u32))
#define ERROR_ELEM_SIZE (7 * sizeof(u32))
-static bool iwl_fwrt_if_errorid_other_cpu(u32 err_id)
-{
- err_id &= 0xFF;
-
- if ((err_id >= FW_ASSERT_LMAC_FATAL &&
- err_id <= RT_NMI_INTERRUPT_OTHER_LMAC_FATAL) ||
- err_id == FW_ASSERT_NMI_UNKNOWN)
- return true;
- return false;
-}
-
static void iwl_fwrt_dump_umac_error_log(struct iwl_fw_runtime *fwrt)
{
struct iwl_trans *trans = fwrt->trans;
@@ -131,13 +113,6 @@ static void iwl_fwrt_dump_umac_error_log(struct iwl_fw_runtime *fwrt)
if (table.valid)
fwrt->dump.umac_err_id = table.error_id;
- if (!iwl_fwrt_if_errorid_other_cpu(fwrt->dump.umac_err_id) &&
- !fwrt->trans->dbg.dump_file_name_ext_valid) {
- fwrt->trans->dbg.dump_file_name_ext_valid = true;
- snprintf(fwrt->trans->dbg.dump_file_name_ext, IWL_FW_INI_MAX_NAME,
- "0x%x", fwrt->dump.umac_err_id);
- }
-
if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
IWL_ERR(trans, "Start IWL Error Log Dump:\n");
IWL_ERR(trans, "Transport status: 0x%08lX, valid: %d\n",
@@ -182,8 +157,7 @@ static void iwl_fwrt_dump_lmac_error_log(struct iwl_fw_runtime *fwrt, u8 lmac_nu
base = fwrt->fw->inst_errlog_ptr;
}
- if ((fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ && !base) ||
- (fwrt->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_BZ && base < 0x400000)) {
+ if (!base) {
IWL_ERR(fwrt,
"Not valid error log pointer 0x%08X for %s uCode\n",
base,
@@ -194,17 +168,17 @@ static void iwl_fwrt_dump_lmac_error_log(struct iwl_fw_runtime *fwrt, u8 lmac_nu
/* check if there is a HW error */
val = iwl_trans_read_mem32(trans, base);
- if (((val & ~0xf) == 0xa5a5a5a0) || ((val & ~0xf) == 0x5a5a5a50)) {
+ if (iwl_trans_is_hw_error_value(val)) {
int err;
IWL_ERR(trans, "HW error, resetting before reading\n");
/* reset the device */
- err = iwl_trans_sw_reset(trans, true);
+ err = iwl_trans_sw_reset(trans);
if (err)
return;
- err = iwl_finish_nic_init(trans);
+ err = iwl_trans_activate_nic(trans);
if (err)
return;
}
@@ -214,13 +188,6 @@ static void iwl_fwrt_dump_lmac_error_log(struct iwl_fw_runtime *fwrt, u8 lmac_nu
if (table.valid)
fwrt->dump.lmac_err_id[lmac_num] = table.error_id;
- if (!iwl_fwrt_if_errorid_other_cpu(fwrt->dump.lmac_err_id[lmac_num]) &&
- !fwrt->trans->dbg.dump_file_name_ext_valid) {
- fwrt->trans->dbg.dump_file_name_ext_valid = true;
- snprintf(fwrt->trans->dbg.dump_file_name_ext, IWL_FW_INI_MAX_NAME,
- "0x%x", fwrt->dump.lmac_err_id[lmac_num]);
- }
-
if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
IWL_ERR(trans, "Start IWL Error Log Dump:\n");
IWL_ERR(trans, "Transport status: 0x%08lX, valid: %d\n",
@@ -306,16 +273,6 @@ static void iwl_fwrt_dump_tcm_error_log(struct iwl_fw_runtime *fwrt, int idx)
iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
- if (table.valid)
- fwrt->dump.tcm_err_id[idx] = table.error_id;
-
- if (!iwl_fwrt_if_errorid_other_cpu(fwrt->dump.tcm_err_id[idx]) &&
- !fwrt->trans->dbg.dump_file_name_ext_valid) {
- fwrt->trans->dbg.dump_file_name_ext_valid = true;
- snprintf(fwrt->trans->dbg.dump_file_name_ext, IWL_FW_INI_MAX_NAME,
- "0x%x", fwrt->dump.tcm_err_id[idx]);
- }
-
IWL_ERR(fwrt, "TCM%d status:\n", idx + 1);
IWL_ERR(fwrt, "0x%08X | error ID\n", table.error_id);
IWL_ERR(fwrt, "0x%08X | tcm branchlink2\n", table.blink2);
@@ -379,16 +336,6 @@ static void iwl_fwrt_dump_rcm_error_log(struct iwl_fw_runtime *fwrt, int idx)
iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
- if (table.valid)
- fwrt->dump.rcm_err_id[idx] = table.error_id;
-
- if (!iwl_fwrt_if_errorid_other_cpu(fwrt->dump.rcm_err_id[idx]) &&
- !fwrt->trans->dbg.dump_file_name_ext_valid) {
- fwrt->trans->dbg.dump_file_name_ext_valid = true;
- snprintf(fwrt->trans->dbg.dump_file_name_ext, IWL_FW_INI_MAX_NAME,
- "0x%x", fwrt->dump.rcm_err_id[idx]);
- }
-
IWL_ERR(fwrt, "RCM%d status:\n", idx + 1);
IWL_ERR(fwrt, "0x%08X | error ID\n", table.error_id);
IWL_ERR(fwrt, "0x%08X | rcm branchlink2\n", table.blink2);
@@ -418,10 +365,10 @@ static void iwl_fwrt_dump_iml_error_log(struct iwl_fw_runtime *fwrt)
struct iwl_trans *trans = fwrt->trans;
u32 error, data1;
- if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
+ if (fwrt->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
error = UMAG_SB_CPU_2_STATUS;
data1 = UMAG_SB_CPU_1_STATUS;
- } else if (fwrt->trans->trans_cfg->device_family >=
+ } else if (fwrt->trans->mac_cfg->device_family >=
IWL_DEVICE_FAMILY_8000) {
error = SB_CPU_2_STATUS;
data1 = SB_CPU_1_STATUS;
@@ -440,7 +387,7 @@ static void iwl_fwrt_dump_iml_error_log(struct iwl_fw_runtime *fwrt)
IWL_ERR(fwrt, "0x%08X | IML/ROM data1\n",
iwl_read_umac_prph(trans, data1));
- if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000)
+ if (fwrt->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_22000)
IWL_ERR(fwrt, "0x%08X | IML/ROM WFPM_AUTH_KEY_0\n",
iwl_read_umac_prph(trans, SB_MODIFY_CFG_FLAG));
}
@@ -467,6 +414,10 @@ static void iwl_fwrt_dump_fseq_regs(struct iwl_fw_runtime *fwrt)
FSEQ_REG(CNVR_AUX_MISC_CHIP),
FSEQ_REG(CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM),
FSEQ_REG(CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR),
+ FSEQ_REG(FSEQ_PREV_CNVIO_INIT_VERSION),
+ FSEQ_REG(FSEQ_WIFI_FSEQ_VERSION),
+ FSEQ_REG(FSEQ_BT_FSEQ_VERSION),
+ FSEQ_REG(FSEQ_CLASS_TP_VERSION),
};
if (!iwl_trans_grab_nic_access(trans))
@@ -487,7 +438,7 @@ void iwl_fwrt_dump_error_logs(struct iwl_fw_runtime *fwrt)
struct iwl_pc_data *pc_data;
u8 count;
- if (!test_bit(STATUS_DEVICE_ENABLED, &fwrt->trans->status)) {
+ if (!iwl_trans_device_enabled(fwrt->trans)) {
IWL_ERR(fwrt,
"DEVICE_ENABLED bit is not set. Aborting dump.\n");
return;
@@ -505,16 +456,21 @@ void iwl_fwrt_dump_error_logs(struct iwl_fw_runtime *fwrt)
iwl_fwrt_dump_rcm_error_log(fwrt, 1);
iwl_fwrt_dump_iml_error_log(fwrt);
iwl_fwrt_dump_fseq_regs(fwrt);
- if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
+ if (fwrt->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
pc_data = fwrt->trans->dbg.pc_data;
+
+ if (!iwl_trans_grab_nic_access(fwrt->trans))
+ return;
for (count = 0; count < fwrt->trans->dbg.num_pc;
count++, pc_data++)
IWL_ERR(fwrt, "%s: 0x%x\n",
pc_data->pc_name,
- pc_data->pc_address);
+ iwl_read_prph_no_grab(fwrt->trans,
+ pc_data->pc_address));
+ iwl_trans_release_nic_access(fwrt->trans);
}
- if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) {
+ if (fwrt->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) {
u32 scratch = iwl_read32(fwrt->trans, CSR_FUNC_SCRATCH);
IWL_ERR(fwrt, "Function Scratch status:\n");
@@ -522,3 +478,31 @@ void iwl_fwrt_dump_error_logs(struct iwl_fw_runtime *fwrt)
}
}
IWL_EXPORT_SYMBOL(iwl_fwrt_dump_error_logs);
+
+bool iwl_fwrt_read_err_table(struct iwl_trans *trans, u32 base, u32 *err_id)
+{
+ struct error_table_start {
+ /* cf. struct iwl_error_event_table */
+ u32 valid;
+ __le32 err_id;
+ } err_info = {};
+ int ret;
+
+ if (err_id)
+ *err_id = 0;
+
+ if (!base)
+ return false;
+
+ ret = iwl_trans_read_mem_bytes(trans, base,
+ &err_info, sizeof(err_info));
+
+ if (ret)
+ return true;
+
+ if (err_info.valid && err_id)
+ *err_id = le32_to_cpu(err_info.err_id);
+
+ return !!err_info.valid;
+}
+IWL_EXPORT_SYMBOL(iwl_fwrt_read_err_table);
generated by cgit (git 2.34.1) at 2025-12-25 01:32:18 +0000