#include <linux/devcoredump.h>
#include "iwl-drv.h"
#include "runtime.h"
#include "dbg.h"
#include "debugfs.h"
#include "iwl-io.h"
#include "iwl-prph.h"
#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
struct iwl_error_event_table {
u32 valid;
u32 error_id;
u32 trm_hw_status0;
u32 trm_hw_status1;
u32 blink2;
u32 ilink1;
u32 ilink2;
u32 data1;
u32 data2;
u32 data3;
u32 bcon_time;
u32 tsf_low;
u32 tsf_hi;
u32 gp1;
u32 gp2;
u32 fw_rev_type;
u32 major;
u32 minor;
u32 hw_ver;
u32 brd_ver;
u32 log_pc;
u32 frame_ptr;
u32 stack_ptr;
u32 hcmd;
u32 isr0;
u32 isr1;
u32 isr2;
u32 isr3;
u32 isr4;
u32 last_cmd_id;
u32 wait_event;
u32 l2p_control;
u32 l2p_duration;
u32 l2p_mhvalid;
u32 l2p_addr_match;
u32 lmpm_pmg_sel;
u32 u_timestamp;
u32 flow_handler;
} __packed ;
struct iwl_umac_error_event_table {
u32 valid;
u32 error_id;
u32 blink1;
u32 blink2;
u32 ilink1;
u32 ilink2;
u32 data1;
u32 data2;
u32 data3;
u32 umac_major;
u32 umac_minor;
u32 frame_pointer;
u32 stack_pointer;
u32 cmd_header;
u32 nic_isr_pref;
} __packed;
#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;
struct iwl_umac_error_event_table table = {};
u32 base = fwrt->trans->dbg.umac_error_event_table;
char pnvm_name[MAX_PNVM_NAME];
if (!base &&
!(fwrt->trans->dbg.error_event_table_tlv_status &
IWL_ERROR_EVENT_TABLE_UMAC))
return;
iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
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",
fwrt->trans->status, table.valid);
}
if ((table.error_id & ~FW_SYSASSERT_CPU_MASK) ==
FW_SYSASSERT_PNVM_MISSING) {
iwl_pnvm_get_fs_name(trans, pnvm_name, sizeof(pnvm_name));
IWL_ERR(fwrt, "PNVM data is missing, please install %s\n",
pnvm_name);
}
IWL_ERR(fwrt, "0x%08X | %s\n", table.error_id,
iwl_fw_lookup_assert_desc(table.error_id));
IWL_ERR(fwrt, "0x%08X | umac branchlink1\n", table.blink1);
IWL_ERR(fwrt, "0x%08X | umac branchlink2\n", table.blink2);
IWL_ERR(fwrt, "0x%08X | umac interruptlink1\n", table.ilink1);
IWL_ERR(fwrt, "0x%08X | umac interruptlink2\n", table.ilink2);
IWL_ERR(fwrt, "0x%08X | umac data1\n", table.data1);
IWL_ERR(fwrt, "0x%08X | umac data2\n", table.data2);
IWL_ERR(fwrt, "0x%08X | umac data3\n", table.data3);
IWL_ERR(fwrt, "0x%08X | umac major\n", table.umac_major);
IWL_ERR(fwrt, "0x%08X | umac minor\n", table.umac_minor);
IWL_ERR(fwrt, "0x%08X | frame pointer\n", table.frame_pointer);
IWL_ERR(fwrt, "0x%08X | stack pointer\n", table.stack_pointer);
IWL_ERR(fwrt, "0x%08X | last host cmd\n", table.cmd_header);
IWL_ERR(fwrt, "0x%08X | isr status reg\n", table.nic_isr_pref);
}
static void iwl_fwrt_dump_lmac_error_log(struct iwl_fw_runtime *fwrt, u8 lmac_num)
{
struct iwl_trans *trans = fwrt->trans;
struct iwl_error_event_table table = {};
u32 val, base = fwrt->trans->dbg.lmac_error_event_table[lmac_num];
if (fwrt->cur_fw_img == IWL_UCODE_INIT) {
if (!base)
base = fwrt->fw->init_errlog_ptr;
} else {
if (!base)
base = fwrt->fw->inst_errlog_ptr;
}
if (!base) {
IWL_ERR(fwrt,
"Not valid error log pointer 0x%08X for %s uCode\n",
base,
(fwrt->cur_fw_img == IWL_UCODE_INIT)
? "Init" : "RT");
return;
}
val = iwl_trans_read_mem32(trans, base);
if (iwl_trans_is_hw_error_value(val)) {
int err;
IWL_ERR(trans, "HW error, resetting before reading\n");
err = iwl_trans_sw_reset(trans, true);
if (err)
return;
err = iwl_finish_nic_init(trans);
if (err)
return;
}
iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
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",
fwrt->trans->status, table.valid);
}
IWL_ERR(fwrt, "Loaded firmware version: %s\n", fwrt->fw->fw_version);
IWL_ERR(fwrt, "0x%08X | %-28s\n", table.error_id,
iwl_fw_lookup_assert_desc(table.error_id));
IWL_ERR(fwrt, "0x%08X | trm_hw_status0\n", table.trm_hw_status0);
IWL_ERR(fwrt, "0x%08X | trm_hw_status1\n", table.trm_hw_status1);
IWL_ERR(fwrt, "0x%08X | branchlink2\n", table.blink2);
IWL_ERR(fwrt, "0x%08X | interruptlink1\n", table.ilink1);
IWL_ERR(fwrt, "0x%08X | interruptlink2\n", table.ilink2);
IWL_ERR(fwrt, "0x%08X | data1\n", table.data1);
IWL_ERR(fwrt, "0x%08X | data2\n", table.data2);
IWL_ERR(fwrt, "0x%08X | data3\n", table.data3);
IWL_ERR(fwrt, "0x%08X | beacon time\n", table.bcon_time);
IWL_ERR(fwrt, "0x%08X | tsf low\n", table.tsf_low);
IWL_ERR(fwrt, "0x%08X | tsf hi\n", table.tsf_hi);
IWL_ERR(fwrt, "0x%08X | time gp1\n", table.gp1);
IWL_ERR(fwrt, "0x%08X | time gp2\n", table.gp2);
IWL_ERR(fwrt, "0x%08X | uCode revision type\n", table.fw_rev_type);
IWL_ERR(fwrt, "0x%08X | uCode version major\n", table.major);
IWL_ERR(fwrt, "0x%08X | uCode version minor\n", table.minor);
IWL_ERR(fwrt, "0x%08X | hw version\n", table.hw_ver);
IWL_ERR(fwrt, "0x%08X | board version\n", table.brd_ver);
IWL_ERR(fwrt, "0x%08X | hcmd\n", table.hcmd);
IWL_ERR(fwrt, "0x%08X | isr0\n", table.isr0);
IWL_ERR(fwrt, "0x%08X | isr1\n", table.isr1);
IWL_ERR(fwrt, "0x%08X | isr2\n", table.isr2);
IWL_ERR(fwrt, "0x%08X | isr3\n", table.isr3);
IWL_ERR(fwrt, "0x%08X | isr4\n", table.isr4);
IWL_ERR(fwrt, "0x%08X | last cmd Id\n", table.last_cmd_id);
IWL_ERR(fwrt, "0x%08X | wait_event\n", table.wait_event);
IWL_ERR(fwrt, "0x%08X | l2p_control\n", table.l2p_control);
IWL_ERR(fwrt, "0x%08X | l2p_duration\n", table.l2p_duration);
IWL_ERR(fwrt, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid);
IWL_ERR(fwrt, "0x%08X | l2p_addr_match\n", table.l2p_addr_match);
IWL_ERR(fwrt, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel);
IWL_ERR(fwrt, "0x%08X | timestamp\n", table.u_timestamp);
IWL_ERR(fwrt, "0x%08X | flow_handler\n", table.flow_handler);
}
struct iwl_tcm_error_event_table {
u32 valid;
u32 error_id;
u32 blink2;
u32 ilink1;
u32 ilink2;
u32 data1, data2, data3;
u32 logpc;
u32 frame_pointer;
u32 stack_pointer;
u32 msgid;
u32 isr;
u32 hw_status[5];
u32 sw_status[1];
u32 reserved[4];
} __packed;
static void iwl_fwrt_dump_tcm_error_log(struct iwl_fw_runtime *fwrt, int idx)
{
struct iwl_trans *trans = fwrt->trans;
struct iwl_tcm_error_event_table table = {};
u32 base = fwrt->trans->dbg.tcm_error_event_table[idx];
int i;
u32 flag = idx ? IWL_ERROR_EVENT_TABLE_TCM2 :
IWL_ERROR_EVENT_TABLE_TCM1;
if (!base || !(fwrt->trans->dbg.error_event_table_tlv_status & flag))
return;
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);
IWL_ERR(fwrt, "0x%08X | tcm interruptlink1\n", table.ilink1);
IWL_ERR(fwrt, "0x%08X | tcm interruptlink2\n", table.ilink2);
IWL_ERR(fwrt, "0x%08X | tcm data1\n", table.data1);
IWL_ERR(fwrt, "0x%08X | tcm data2\n", table.data2);
IWL_ERR(fwrt, "0x%08X | tcm data3\n", table.data3);
IWL_ERR(fwrt, "0x%08X | tcm log PC\n", table.logpc);
IWL_ERR(fwrt, "0x%08X | tcm frame pointer\n", table.frame_pointer);
IWL_ERR(fwrt, "0x%08X | tcm stack pointer\n", table.stack_pointer);
IWL_ERR(fwrt, "0x%08X | tcm msg ID\n", table.msgid);
IWL_ERR(fwrt, "0x%08X | tcm ISR status\n", table.isr);
for (i = 0; i < ARRAY_SIZE(table.hw_status); i++)
IWL_ERR(fwrt, "0x%08X | tcm HW status[%d]\n",
table.hw_status[i], i);
for (i = 0; i < ARRAY_SIZE(table.sw_status); i++)
IWL_ERR(fwrt, "0x%08X | tcm SW status[%d]\n",
table.sw_status[i], i);
}
struct iwl_rcm_error_event_table {
u32 valid;
u32 error_id;
u32 blink2;
u32 ilink1;
u32 ilink2;
u32 data1, data2, data3;
u32 logpc;
u32 frame_pointer;
u32 stack_pointer;
u32 msgid;
u32 isr;
u32 frame_hw_status;
u32 mbx_lmac_to_rcm_req;
u32 mbx_rcm_to_lmac_req;
u32 mh_ctl;
u32 mh_addr1_lo;
u32 mh_info;
u32 mh_err;
u32 reserved[3];
} __packed;
static void iwl_fwrt_dump_rcm_error_log(struct iwl_fw_runtime *fwrt, int idx)
{
struct iwl_trans *trans = fwrt->trans;
struct iwl_rcm_error_event_table table = {};
u32 base = fwrt->trans->dbg.rcm_error_event_table[idx];
u32 flag = idx ? IWL_ERROR_EVENT_TABLE_RCM2 :
IWL_ERROR_EVENT_TABLE_RCM1;
if (!base || !(fwrt->trans->dbg.error_event_table_tlv_status & flag))
return;
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);
IWL_ERR(fwrt, "0x%08X | rcm interruptlink1\n", table.ilink1);
IWL_ERR(fwrt, "0x%08X | rcm interruptlink2\n", table.ilink2);
IWL_ERR(fwrt, "0x%08X | rcm data1\n", table.data1);
IWL_ERR(fwrt, "0x%08X | rcm data2\n", table.data2);
IWL_ERR(fwrt, "0x%08X | rcm data3\n", table.data3);
IWL_ERR(fwrt, "0x%08X | rcm log PC\n", table.logpc);
IWL_ERR(fwrt, "0x%08X | rcm frame pointer\n", table.frame_pointer);
IWL_ERR(fwrt, "0x%08X | rcm stack pointer\n", table.stack_pointer);
IWL_ERR(fwrt, "0x%08X | rcm msg ID\n", table.msgid);
IWL_ERR(fwrt, "0x%08X | rcm ISR status\n", table.isr);
IWL_ERR(fwrt, "0x%08X | frame HW status\n", table.frame_hw_status);
IWL_ERR(fwrt, "0x%08X | LMAC-to-RCM request mbox\n",
table.mbx_lmac_to_rcm_req);
IWL_ERR(fwrt, "0x%08X | RCM-to-LMAC request mbox\n",
table.mbx_rcm_to_lmac_req);
IWL_ERR(fwrt, "0x%08X | MAC header control\n", table.mh_ctl);
IWL_ERR(fwrt, "0x%08X | MAC header addr1 low\n", table.mh_addr1_lo);
IWL_ERR(fwrt, "0x%08X | MAC header info\n", table.mh_info);
IWL_ERR(fwrt, "0x%08X | MAC header error\n", table.mh_err);
}
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) {
error = UMAG_SB_CPU_2_STATUS;
data1 = UMAG_SB_CPU_1_STATUS;
} else if (fwrt->trans->trans_cfg->device_family >=
IWL_DEVICE_FAMILY_8000) {
error = SB_CPU_2_STATUS;
data1 = SB_CPU_1_STATUS;
} else {
return;
}
error = iwl_read_umac_prph(trans, error);
IWL_ERR(trans, "IML/ROM dump:\n");
if (error & 0xFFFF0000)
IWL_ERR(trans, "0x%04X | IML/ROM SYSASSERT\n", error >> 16);
IWL_ERR(fwrt, "0x%08X | IML/ROM error/state\n", error);
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)
IWL_ERR(fwrt, "0x%08X | IML/ROM WFPM_AUTH_KEY_0\n",
iwl_read_umac_prph(trans, SB_MODIFY_CFG_FLAG));
}
#define FSEQ_REG(x) { .addr = (x), .str = #x, }
static void iwl_fwrt_dump_fseq_regs(struct iwl_fw_runtime *fwrt)
{
struct iwl_trans *trans = fwrt->trans;
int i;
struct {
u32 addr;
const char *str;
} fseq_regs[] = {
FSEQ_REG(FSEQ_ERROR_CODE),
FSEQ_REG(FSEQ_TOP_INIT_VERSION),
FSEQ_REG(FSEQ_CNVIO_INIT_VERSION),
FSEQ_REG(FSEQ_OTP_VERSION),
FSEQ_REG(FSEQ_TOP_CONTENT_VERSION),
FSEQ_REG(FSEQ_ALIVE_TOKEN),
FSEQ_REG(FSEQ_CNVI_ID),
FSEQ_REG(FSEQ_CNVR_ID),
FSEQ_REG(CNVI_AUX_MISC_CHIP),
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))
return;
IWL_ERR(fwrt, "Fseq Registers:\n");
for (i = 0; i < ARRAY_SIZE(fseq_regs); i++)
IWL_ERR(fwrt, "0x%08X | %s\n",
iwl_read_prph_no_grab(trans, fseq_regs[i].addr),
fseq_regs[i].str);
iwl_trans_release_nic_access(trans);
}
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)) {
IWL_ERR(fwrt,
"DEVICE_ENABLED bit is not set. Aborting dump.\n");
return;
}
iwl_fwrt_dump_lmac_error_log(fwrt, 0);
if (fwrt->trans->dbg.lmac_error_event_table[1])
iwl_fwrt_dump_lmac_error_log(fwrt, 1);
iwl_fwrt_dump_umac_error_log(fwrt);
iwl_fwrt_dump_tcm_error_log(fwrt, 0);
iwl_fwrt_dump_rcm_error_log(fwrt, 0);
if (fwrt->trans->dbg.tcm_error_event_table[1])
iwl_fwrt_dump_tcm_error_log(fwrt, 1);
if (fwrt->trans->dbg.rcm_error_event_table[1])
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) {
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,
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) {
u32 scratch = iwl_read32(fwrt->trans, CSR_FUNC_SCRATCH);
IWL_ERR(fwrt, "Function Scratch status:\n");
IWL_ERR(fwrt, "0x%08X | Func Scratch\n", scratch);
}
}
IWL_EXPORT_SYMBOL