static bool iwl_testmode_valid_hw_addr(u32 addr)
{
if (iwlagn_hw_valid_rtc_data_addr(addr))
return true;
if (IWLAGN_RTC_INST_LOWER_BOUND <= addr &&
addr < IWLAGN_RTC_INST_UPPER_BOUND)
return true;
return false;
}
static int iwl_testmode_indirect_write(struct iwl_priv *priv, u32 addr,
u32 size, unsigned char *buf)
{
struct iwl_trans *trans = trans(priv);
u32 val, i;
unsigned long flags;
if (IWL_TM_ABS_PRPH_START <= addr &&
addr < IWL_TM_ABS_PRPH_START + PRPH_END) {
/* Periphery writes can be 1-3 bytes long, or DWORDs */
if (size < 4) {
memcpy(&val, buf, size);
spin_lock_irqsave(&trans->reg_lock, flags);
iwl_grab_nic_access(trans);
iwl_write32(trans, HBUS_TARG_PRPH_WADDR,
(addr & 0x0000FFFF) |
((size - 1) << 24));
iwl_write32(trans, HBUS_TARG_PRPH_WDAT, val);
iwl_release_nic_access(trans);
/* needed after consecutive writes w/o read */
mmiowb();
spin_unlock_irqrestore(&trans->reg_lock, flags);
} else {
if (size % 4)
return -EINVAL;
for (i = 0; i < size; i += 4)
iwl_write_prph(trans, addr+i,
*(u32 *)(buf+i));
}
} else if (iwlagn_hw_valid_rtc_data_addr(addr) ||
(IWLAGN_RTC_INST_LOWER_BOUND <= addr &&
addr < IWLAGN_RTC_INST_UPPER_BOUND)) {
_iwl_write_targ_mem_words(trans, addr, buf, size/4);
} else
return -EINVAL;
return 0;
}
int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log,
char **buf, bool display)
{
u32 base; /* SRAM byte address of event log header */
u32 capacity; /* event log capacity in # entries */
u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */
u32 num_wraps; /* # times uCode wrapped to top of log */
u32 next_entry; /* index of next entry to be written by uCode */
u32 size; /* # entries that we'll print */
u32 logsize;
int pos = 0;
size_t bufsz = 0;
struct iwl_priv *priv = priv(trans);
base = priv->device_pointers.log_event_table;
if (priv->ucode_type == IWL_UCODE_INIT) {
logsize = priv->init_evtlog_size;
if (!base)
base = priv->init_evtlog_ptr;
} else {
logsize = priv->inst_evtlog_size;
if (!base)
base = priv->inst_evtlog_ptr;
}
if (!iwlagn_hw_valid_rtc_data_addr(base)) {
IWL_ERR(trans,
"Invalid event log pointer 0x%08X for %s uCode\n",
base,
(priv->ucode_type == IWL_UCODE_INIT)
? "Init" : "RT");
return -EINVAL;
}
/* event log header */
capacity = iwl_read_targ_mem(bus(trans), base);
mode = iwl_read_targ_mem(bus(trans), base + (1 * sizeof(u32)));
num_wraps = iwl_read_targ_mem(bus(trans), base + (2 * sizeof(u32)));
next_entry = iwl_read_targ_mem(bus(trans), base + (3 * sizeof(u32)));
if (capacity > logsize) {
IWL_ERR(trans, "Log capacity %d is bogus, limit to %d "
"entries\n", capacity, logsize);
capacity = logsize;
}
if (next_entry > logsize) {
IWL_ERR(trans, "Log write index %d is bogus, limit to %d\n",
next_entry, logsize);
next_entry = logsize;
}
size = num_wraps ? capacity : next_entry;
/* bail out if nothing in log */
if (size == 0) {
IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n");
return pos;
}
#ifdef CONFIG_IWLWIFI_DEBUG
if (!(iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS) && !full_log)
size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
#else
size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
#endif
IWL_ERR(trans, "Start IWL Event Log Dump: display last %u entries\n",
size);
#ifdef CONFIG_IWLWIFI_DEBUG
if (display) {
if (full_log)
bufsz = capacity * 48;
else
bufsz = size * 48;
*buf = kmalloc(bufsz, GFP_KERNEL);
if (!*buf)
return -ENOMEM;
}
if ((iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS) || full_log) {
/*
* if uCode has wrapped back to top of log,
* start at the oldest entry,
* i.e the next one that uCode would fill.
*/
if (num_wraps)
pos = iwl_print_event_log(trans, next_entry,
capacity - next_entry, mode,
pos, buf, bufsz);
/* (then/else) start at top of log */
pos = iwl_print_event_log(trans, 0,
next_entry, mode, pos, buf, bufsz);
} else
pos = iwl_print_last_event_logs(trans, capacity, num_wraps,
next_entry, size, mode,
pos, buf, bufsz);
#else
pos = iwl_print_last_event_logs(trans, capacity, num_wraps,
next_entry, size, mode,
pos, buf, bufsz);
#endif
return pos;
}
static void iwl_dump_nic_error_log(struct iwl_trans *trans)
{
u32 base;
struct iwl_error_event_table table;
struct iwl_priv *priv = priv(trans);
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
base = priv->device_pointers.error_event_table;
if (priv->ucode_type == IWL_UCODE_INIT) {
if (!base)
base = priv->init_errlog_ptr;
} else {
if (!base)
base = priv->inst_errlog_ptr;
}
if (!iwlagn_hw_valid_rtc_data_addr(base)) {
IWL_ERR(trans,
"Not valid error log pointer 0x%08X for %s uCode\n",
base,
(priv->ucode_type == IWL_UCODE_INIT)
? "Init" : "RT");
return;
}
iwl_read_targ_mem_words(bus(priv), base, &table, sizeof(table));
if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
IWL_ERR(trans, "Start IWL Error Log Dump:\n");
IWL_ERR(trans, "Status: 0x%08lX, count: %d\n",
trans->shrd->status, table.valid);
}
trans_pcie->isr_stats.err_code = table.error_id;
trace_iwlwifi_dev_ucode_error(priv, table.error_id, table.tsf_low,
table.data1, table.data2, table.line,
table.blink1, table.blink2, table.ilink1,
table.ilink2, table.bcon_time, table.gp1,
table.gp2, table.gp3, table.ucode_ver,
table.hw_ver, table.brd_ver);
IWL_ERR(trans, "0x%08X | %-28s\n", table.error_id,
desc_lookup(table.error_id));
IWL_ERR(trans, "0x%08X | uPc\n", table.pc);
IWL_ERR(trans, "0x%08X | branchlink1\n", table.blink1);
IWL_ERR(trans, "0x%08X | branchlink2\n", table.blink2);
IWL_ERR(trans, "0x%08X | interruptlink1\n", table.ilink1);
IWL_ERR(trans, "0x%08X | interruptlink2\n", table.ilink2);
IWL_ERR(trans, "0x%08X | data1\n", table.data1);
IWL_ERR(trans, "0x%08X | data2\n", table.data2);
IWL_ERR(trans, "0x%08X | line\n", table.line);
IWL_ERR(trans, "0x%08X | beacon time\n", table.bcon_time);
IWL_ERR(trans, "0x%08X | tsf low\n", table.tsf_low);
IWL_ERR(trans, "0x%08X | tsf hi\n", table.tsf_hi);
IWL_ERR(trans, "0x%08X | time gp1\n", table.gp1);
IWL_ERR(trans, "0x%08X | time gp2\n", table.gp2);
IWL_ERR(trans, "0x%08X | time gp3\n", table.gp3);
IWL_ERR(trans, "0x%08X | uCode version\n", table.ucode_ver);
IWL_ERR(trans, "0x%08X | hw version\n", table.hw_ver);
IWL_ERR(trans, "0x%08X | board version\n", table.brd_ver);
IWL_ERR(trans, "0x%08X | hcmd\n", table.hcmd);
}
int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log,
char **buf, bool display)
{
u32 base; /* */
u32 capacity; /* */
u32 mode; /* */
u32 num_wraps; /* */
u32 next_entry; /* */
u32 size; /* */
u32 logsize;
int pos = 0;
size_t bufsz = 0;
base = trans->shrd->device_pointers.log_event_table;
if (trans->shrd->ucode_type == IWL_UCODE_INIT) {
logsize = trans->shrd->fw->init_evtlog_size;
if (!base)
base = trans->shrd->fw->init_evtlog_ptr;
} else {
logsize = trans->shrd->fw->inst_evtlog_size;
if (!base)
base = trans->shrd->fw->inst_evtlog_ptr;
}
if (!iwlagn_hw_valid_rtc_data_addr(base)) {
IWL_ERR(trans,
"Invalid event log pointer 0x%08X for %s uCode\n",
base,
(trans->shrd->ucode_type == IWL_UCODE_INIT)
? "Init" : "RT");
return -EINVAL;
}
/* */
capacity = iwl_read_targ_mem(trans, base);
mode = iwl_read_targ_mem(trans, base + (1 * sizeof(u32)));
num_wraps = iwl_read_targ_mem(trans, base + (2 * sizeof(u32)));
next_entry = iwl_read_targ_mem(trans, base + (3 * sizeof(u32)));
if (capacity > logsize) {
IWL_ERR(trans, "Log capacity %d is bogus, limit to %d "
"entries\n", capacity, logsize);
capacity = logsize;
}
if (next_entry > logsize) {
IWL_ERR(trans, "Log write index %d is bogus, limit to %d\n",
next_entry, logsize);
next_entry = logsize;
}
size = num_wraps ? capacity : next_entry;
/* */
if (size == 0) {
IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n");
return pos;
}
#ifdef CONFIG_IWLWIFI_DEBUG
if (!(iwl_have_debug_level(IWL_DL_FW_ERRORS)) && !full_log)
size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
#else
size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
#endif
IWL_ERR(trans, "Start IWL Event Log Dump: display last %u entries\n",
size);
#ifdef CONFIG_IWLWIFI_DEBUG
if (display) {
if (full_log)
bufsz = capacity * 48;
else
bufsz = size * 48;
*buf = kmalloc(bufsz, GFP_KERNEL);
if (!*buf)
return -ENOMEM;
}
if (iwl_have_debug_level(IWL_DL_FW_ERRORS) || full_log) {
/*
*/
if (num_wraps)
pos = iwl_print_event_log(trans, next_entry,
capacity - next_entry, mode,
pos, buf, bufsz);
/* */
pos = iwl_print_event_log(trans, 0,
next_entry, mode, pos, buf, bufsz);
} else
pos = iwl_print_last_event_logs(trans, capacity, num_wraps,
next_entry, size, mode,
pos, buf, bufsz);
#else
pos = iwl_print_last_event_logs(trans, capacity, num_wraps,
next_entry, size, mode,
pos, buf, bufsz);
#endif
return pos;
}
