Commit 3b589d56 authored by Shahar S Matityahu's avatar Shahar S Matityahu Committed by Luca Coelho

iwlwifi: dbg_ini: use new trigger TLV in dump flow

Make dump flow use the new trigger TLV.
Signed-off-by: default avatarShahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
parent c9fe75e9
......@@ -351,18 +351,37 @@ struct iwl_fw_ini_trigger {
} __packed; /* FW_TLV_DEBUG_TRIGGER_CONFIG_API_S_VER_1 */
/**
* struct iwl_fw_ini_trigger_tlv - (IWL_UCODE_TLV_TYPE_TRIGGERS)
* Triggers that hold memory regions to dump in case a trigger fires
* struct iwl_fw_ini_trigger_tlv - trigger TLV
*
* @header: header
* @num_triggers: how many different triggers section and IDs are coming next
* @trigger_config: list of trigger configurations
* Trigger that upon firing, determines what regions to collect
*
* @hdr: debug header
* @time_point: time point. One of &enum iwl_fw_ini_time_point
* @trigger_reason: trigger reason
* @apply_policy: uses &enum iwl_fw_ini_trigger_apply_policy
* @dump_delay: delay from trigger fire to dump, in usec
* @occurrences: max trigger fire occurrences allowed
* @reserved: unused
* @ignore_consec: ignore consecutive triggers, in usec
* @reset_fw: if non zero, will reset and reload the FW
* @multi_dut: initiate debug dump data on several DUTs
* @regions_mask: mask of regions to collect
* @data: trigger data
*/
struct iwl_fw_ini_trigger_tlv {
struct iwl_fw_ini_header header;
__le32 num_triggers;
struct iwl_fw_ini_trigger trigger_config[];
} __packed; /* FW_TLV_DEBUG_TRIGGERS_API_S_VER_1 */
struct iwl_fw_ini_header hdr;
__le32 time_point;
__le32 trigger_reason;
__le32 apply_policy;
__le32 dump_delay;
__le32 occurrences;
__le32 reserved;
__le32 ignore_consec;
__le32 reset_fw;
__le32 multi_dut;
__le64 regions_mask;
__le32 data[];
} __packed; /* FW_TLV_DEBUG_TRIGGER_API_S_VER_1 */
#define IWL_FW_INI_MAX_IMG_NAME_LEN 32
#define IWL_FW_INI_MAX_DBG_CFG_NAME_LEN 64
......
......@@ -1623,14 +1623,13 @@ static u32 iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, struct list_head *list,
}
static u32 iwl_dump_ini_info(struct iwl_fw_runtime *fwrt,
struct iwl_fw_ini_trigger *trigger,
struct iwl_fw_ini_trigger_tlv *trigger,
struct list_head *list)
{
struct iwl_fw_ini_dump_entry *entry;
struct iwl_fw_error_dump_data *tlv;
struct iwl_fw_ini_dump_info *dump;
u32 reg_ids_size = le32_to_cpu(trigger->num_regions) * sizeof(__le32);
u32 size = sizeof(*tlv) + sizeof(*dump) + reg_ids_size;
u32 size = sizeof(*tlv) + sizeof(*dump);
entry = kmalloc(sizeof(*entry) + size, GFP_KERNEL);
if (!entry)
......@@ -1640,13 +1639,14 @@ static u32 iwl_dump_ini_info(struct iwl_fw_runtime *fwrt,
tlv = (void *)entry->data;
tlv->type = cpu_to_le32(IWL_INI_DUMP_INFO_TYPE);
tlv->len = cpu_to_le32(sizeof(*dump) + reg_ids_size);
tlv->len = cpu_to_le32(size - sizeof(*tlv));
dump = (void *)tlv->data;
dump->version = cpu_to_le32(IWL_INI_DUMP_VER);
dump->trigger_id = trigger->trigger_id;
dump->is_external_cfg =
dump->time_point = trigger->time_point;
dump->trigger_reason = trigger->trigger_reason;
dump->external_cfg_state =
cpu_to_le32(fwrt->trans->dbg.external_ini_cfg);
dump->ver_type = cpu_to_le32(fwrt->dump.fw_ver.type);
......@@ -1670,23 +1670,6 @@ static u32 iwl_dump_ini_info(struct iwl_fw_runtime *fwrt,
memcpy(dump->build_tag, fwrt->fw->human_readable,
sizeof(dump->build_tag));
dump->img_name_len = cpu_to_le32(sizeof(dump->img_name));
memcpy(dump->img_name, fwrt->dump.img_name, sizeof(dump->img_name));
dump->internal_dbg_cfg_name_len =
cpu_to_le32(sizeof(dump->internal_dbg_cfg_name));
memcpy(dump->internal_dbg_cfg_name, fwrt->dump.internal_dbg_cfg_name,
sizeof(dump->internal_dbg_cfg_name));
dump->external_dbg_cfg_name_len =
cpu_to_le32(sizeof(dump->external_dbg_cfg_name));
memcpy(dump->external_dbg_cfg_name, fwrt->dump.external_dbg_cfg_name,
sizeof(dump->external_dbg_cfg_name));
dump->regions_num = trigger->num_regions;
memcpy(dump->region_ids, trigger->data, reg_ids_size);
/* add dump info TLV to the beginning of the list since it needs to be
* the first TLV in the dump
*/
......@@ -1745,39 +1728,36 @@ static const struct iwl_dump_ini_mem_ops iwl_dump_ini_region_ops[] = {
};
static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt,
struct iwl_fw_ini_trigger *trigger,
struct iwl_fwrt_dump_data *dump_data,
struct list_head *list)
{
struct iwl_dump_ini_mem_ops empty_ops = {};
struct iwl_fw_ini_trigger_tlv *trigger = dump_data->trig;
struct iwl_dump_ini_region_data reg_data = {};
int i;
u32 size = 0;
u64 regions_mask = le64_to_cpu(trigger->regions_mask);
for (i = 0; i < le32_to_cpu(trigger->num_regions); i++) {
u32 reg_id = le32_to_cpu(trigger->data[i]), reg_type;
struct iwl_fw_ini_region_cfg *reg;
for (i = 0; i < 64; i++) {
u32 reg_type;
struct iwl_fw_ini_region_tlv *reg;
if (WARN_ON(reg_id >= ARRAY_SIZE(fwrt->dump.active_regs)))
if (!(BIT_ULL(i) & regions_mask))
continue;
reg = fwrt->dump.active_regs[reg_id];
if (!reg) {
reg_data.reg_tlv = fwrt->trans->dbg.active_regions[i];
if (!reg_data.reg_tlv) {
IWL_WARN(fwrt,
"WRT: Unassigned region id %d, skipping\n",
reg_id);
"WRT: Unassigned region id %d, skipping\n", i);
continue;
}
/* currently the driver supports always on domain only */
if (le32_to_cpu(reg->domain) != IWL_FW_INI_DBG_DOMAIN_ALWAYS_ON)
continue;
reg_type = le32_to_cpu(reg->region_type);
reg = (void *)reg_data.reg_tlv->data;
reg_type = le32_to_cpu(reg->type);
if (reg_type >= ARRAY_SIZE(iwl_dump_ini_region_ops))
continue;
size += iwl_dump_ini_mem(fwrt, list, &reg_data,
&empty_ops);
&iwl_dump_ini_region_ops[reg_type]);
}
if (size)
......@@ -1786,20 +1766,32 @@ static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt,
return size;
}
static bool iwl_fw_ini_trigger_on(struct iwl_fw_runtime *fwrt,
struct iwl_fw_ini_trigger_tlv *trig)
{
enum iwl_fw_ini_time_point tp_id = le32_to_cpu(trig->time_point);
u32 usec = le32_to_cpu(trig->ignore_consec);
if (!iwl_trans_dbg_ini_valid(fwrt->trans) ||
tp_id == IWL_FW_INI_TIME_POINT_INVALID ||
tp_id >= IWL_FW_INI_TIME_POINT_NUM ||
iwl_fw_dbg_no_trig_window(fwrt, tp_id, usec))
return false;
return true;
}
static u32 iwl_dump_ini_file_gen(struct iwl_fw_runtime *fwrt,
enum iwl_fw_ini_trigger_id trig_id,
struct iwl_fwrt_dump_data *dump_data,
struct list_head *list)
{
struct iwl_fw_ini_trigger_tlv *trigger = dump_data->trig;
struct iwl_fw_ini_dump_entry *entry;
struct iwl_fw_ini_dump_file_hdr *hdr;
struct iwl_fw_ini_trigger *trigger;
u32 size;
if (!iwl_fw_ini_trigger_on(fwrt, trig_id))
return 0;
trigger = fwrt->dump.active_trigs[trig_id].trig;
if (!trigger || !le32_to_cpu(trigger->num_regions))
if (!trigger || !iwl_fw_ini_trigger_on(fwrt, trigger) ||
!le64_to_cpu(trigger->regions_mask))
return 0;
entry = kmalloc(sizeof(*entry) + sizeof(*hdr), GFP_KERNEL);
......@@ -1808,7 +1800,7 @@ static u32 iwl_dump_ini_file_gen(struct iwl_fw_runtime *fwrt,
entry->size = sizeof(*hdr);
size = iwl_dump_ini_trigger(fwrt, trigger, list);
size = iwl_dump_ini_trigger(fwrt, dump_data, list);
if (!size) {
kfree(entry);
return 0;
......@@ -1880,14 +1872,18 @@ static void iwl_dump_ini_list_free(struct list_head *list)
}
}
static void iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt, u8 wk_idx)
static void iwl_fw_error_dump_data_free(struct iwl_fwrt_dump_data *dump_data)
{
dump_data->trig = NULL;
}
static void iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt,
struct iwl_fwrt_dump_data *dump_data)
{
enum iwl_fw_ini_trigger_id trig_id = fwrt->dump.wks[wk_idx].ini_trig_id;
struct list_head dump_list = LIST_HEAD_INIT(dump_list);
struct scatterlist *sg_dump_data;
u32 file_len;
u32 file_len = iwl_dump_ini_file_gen(fwrt, dump_data, &dump_list);
file_len = iwl_dump_ini_file_gen(fwrt, trig_id, &dump_list);
if (!file_len)
goto out;
......@@ -1908,7 +1904,7 @@ static void iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt, u8 wk_idx)
iwl_dump_ini_list_free(&dump_list);
out:
fwrt->dump.wks[wk_idx].ini_trig_id = IWL_FW_TRIGGER_ID_INVALID;
iwl_fw_error_dump_data_free(dump_data);
}
const struct iwl_fw_dump_desc iwl_dump_desc_assert = {
......@@ -1923,15 +1919,9 @@ int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt,
bool monitor_only,
unsigned int delay)
{
u32 trig_type = le32_to_cpu(desc->trig_desc.type);
int ret;
if (iwl_trans_dbg_ini_valid(fwrt->trans)) {
ret = iwl_fw_dbg_ini_collect(fwrt, trig_type);
if (!ret)
iwl_fw_free_dump_desc(fwrt);
return ret;
return 0;
}
/* use wks[0] since dump flow prior to ini does not need to support
......@@ -2023,35 +2013,26 @@ int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt,
}
IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect);
int _iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt,
enum iwl_fw_ini_trigger_id id)
int iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt,
struct iwl_fwrt_dump_data *dump_data)
{
struct iwl_fw_ini_active_triggers *active;
struct iwl_fw_ini_trigger_tlv *trig = dump_data->trig;
enum iwl_fw_ini_time_point tp_id = le32_to_cpu(trig->time_point);
u32 occur, delay;
unsigned long idx;
if (WARN_ON(!iwl_fw_ini_trigger_on(fwrt, id)))
return -EINVAL;
if (!iwl_fw_ini_trigger_on(fwrt, id)) {
if (!iwl_fw_ini_trigger_on(fwrt, trig)) {
IWL_WARN(fwrt, "WRT: Trigger %d is not active, aborting dump\n",
id);
tp_id);
return -EINVAL;
}
active = &fwrt->dump.active_trigs[id];
delay = le32_to_cpu(active->trig->dump_delay);
occur = le32_to_cpu(active->trig->occurrences);
delay = le32_to_cpu(trig->dump_delay);
occur = le32_to_cpu(trig->occurrences);
if (!occur)
return 0;
active->trig->occurrences = cpu_to_le32(--occur);
if (le32_to_cpu(active->trig->force_restart)) {
IWL_WARN(fwrt, "WRT: Force restart: trigger %d fired.\n", id);
iwl_force_nmi(fwrt->trans);
return 0;
}
trig->occurrences = cpu_to_le32(--occur);
/* Check there is an available worker.
* ffz return value is undefined if no zero exists,
......@@ -2066,36 +2047,14 @@ int _iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt,
test_and_set_bit(fwrt->dump.wks[idx].idx, &fwrt->dump.active_wks))
return -EBUSY;
fwrt->dump.wks[idx].ini_trig_id = id;
fwrt->dump.wks[idx].dump_data = *dump_data;
IWL_WARN(fwrt, "WRT: Collecting data: ini trigger %d fired.\n", id);
IWL_WARN(fwrt, "WRT: Collecting data: ini trigger %d fired.\n", tp_id);
schedule_delayed_work(&fwrt->dump.wks[idx].wk, usecs_to_jiffies(delay));
return 0;
}
IWL_EXPORT_SYMBOL(_iwl_fw_dbg_ini_collect);
int iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt, u32 legacy_trigger_id)
{
int id;
switch (legacy_trigger_id) {
case FW_DBG_TRIGGER_FW_ASSERT:
case FW_DBG_TRIGGER_ALIVE_TIMEOUT:
case FW_DBG_TRIGGER_DRIVER:
id = IWL_FW_TRIGGER_ID_FW_ASSERT;
break;
case FW_DBG_TRIGGER_USER:
id = IWL_FW_TRIGGER_ID_USER_TRIGGER;
break;
default:
return -EIO;
}
return _iwl_fw_dbg_ini_collect(fwrt, id);
}
IWL_EXPORT_SYMBOL(iwl_fw_dbg_ini_collect);
int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt,
struct iwl_fw_dbg_trigger_tlv *trigger,
......@@ -2104,6 +2063,9 @@ int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt,
int ret, len = 0;
char buf[64];
if (iwl_trans_dbg_ini_valid(fwrt->trans))
return 0;
if (fmt) {
va_list ap;
......@@ -2207,7 +2169,7 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx)
IWL_DEBUG_FW_INFO(fwrt, "WRT: Data collection start\n");
if (iwl_trans_dbg_ini_valid(fwrt->trans))
iwl_fw_error_ini_dump(fwrt, wk_idx);
iwl_fw_error_ini_dump(fwrt, &fwrt->dump.wks[wk_idx].dump_data);
else
iwl_fw_error_dump(fwrt);
IWL_DEBUG_FW_INFO(fwrt, "WRT: Data collection done\n");
......@@ -2220,11 +2182,10 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx)
void iwl_fw_error_dump_wk(struct work_struct *work)
{
struct iwl_fw_runtime *fwrt;
typeof(fwrt->dump.wks[0]) *wks;
wks = container_of(work, typeof(fwrt->dump.wks[0]), wk.work);
fwrt = container_of(wks, struct iwl_fw_runtime, dump.wks[wks->idx]);
struct iwl_fwrt_wk_data *wks =
container_of(work, typeof(*wks), wk.work);
struct iwl_fw_runtime *fwrt =
container_of(wks, typeof(*fwrt), dump.wks[wks->idx]);
/* assumes the op mode mutex is locked in dump_start since
* iwl_fw_dbg_collect_sync can't run in parallel
......
......@@ -114,9 +114,8 @@ int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt,
bool monitor_only, unsigned int delay);
int iwl_fw_dbg_error_collect(struct iwl_fw_runtime *fwrt,
enum iwl_fw_dbg_trigger trig_type);
int _iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt,
enum iwl_fw_ini_trigger_id id);
int iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt, u32 legacy_trigger_id);
int iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt,
struct iwl_fwrt_dump_data *dump_data);
int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt,
enum iwl_fw_dbg_trigger trig, const char *str,
size_t len, struct iwl_fw_dbg_trigger_tlv *trigger);
......@@ -222,29 +221,6 @@ _iwl_fw_dbg_trigger_on(struct iwl_fw_runtime *fwrt,
_iwl_fw_dbg_trigger_on((fwrt), (wdev), (id)); \
})
static inline bool
iwl_fw_ini_trigger_on(struct iwl_fw_runtime *fwrt,
enum iwl_fw_ini_trigger_id id)
{
struct iwl_fw_ini_trigger *trig;
u32 usec;
if (!iwl_trans_dbg_ini_valid(fwrt->trans) ||
id == IWL_FW_TRIGGER_ID_INVALID || id >= IWL_FW_TRIGGER_ID_NUM ||
!fwrt->dump.active_trigs[id].active)
return false;
trig = fwrt->dump.active_trigs[id].trig;
usec = le32_to_cpu(trig->ignore_consec);
if (iwl_fw_dbg_no_trig_window(fwrt, id, usec)) {
IWL_WARN(fwrt, "Trigger %d fired in no-collect window\n", id);
return false;
}
return true;
}
static inline void
_iwl_fw_dbg_trigger_simple_stop(struct iwl_fw_runtime *fwrt,
struct wireless_dev *wdev,
......@@ -315,10 +291,8 @@ static inline void iwl_fw_flush_dumps(struct iwl_fw_runtime *fwrt)
int i;
iwl_dbg_tlv_del_timers(fwrt->trans);
for (i = 0; i < IWL_FW_RUNTIME_DUMP_WK_NUM; i++) {
for (i = 0; i < IWL_FW_RUNTIME_DUMP_WK_NUM; i++)
flush_delayed_work(&fwrt->dump.wks[i].wk);
fwrt->dump.wks[i].ini_trig_id = IWL_FW_TRIGGER_ID_INVALID;
}
}
#ifdef CONFIG_IWLWIFI_DEBUGFS
......@@ -381,12 +355,21 @@ static inline void iwl_fw_umac_set_alive_err_table(struct iwl_trans *trans,
static inline void iwl_fw_error_collect(struct iwl_fw_runtime *fwrt)
{
if (iwl_trans_dbg_ini_valid(fwrt->trans) && fwrt->trans->dbg.hw_error) {
_iwl_fw_dbg_ini_collect(fwrt, IWL_FW_TRIGGER_ID_FW_HW_ERROR);
enum iwl_fw_ini_time_point tp_id;
if (!iwl_trans_dbg_ini_valid(fwrt->trans)) {
iwl_fw_dbg_collect_desc(fwrt, &iwl_dump_desc_assert, false, 0);
return;
}
if (fwrt->trans->dbg.hw_error) {
tp_id = IWL_FW_INI_TIME_POINT_FW_HW_ERROR;
fwrt->trans->dbg.hw_error = false;
} else {
iwl_fw_dbg_collect_desc(fwrt, &iwl_dump_desc_assert, false, 0);
tp_id = IWL_FW_INI_TIME_POINT_FW_ASSERT;
}
iwl_dbg_tlv_time_point(fwrt, tp_id, NULL);
}
void iwl_fw_error_print_fseq_regs(struct iwl_fw_runtime *fwrt);
......
......@@ -381,10 +381,9 @@ struct iwl_fw_ini_error_dump_register {
/* struct iwl_fw_ini_dump_info - ini dump information
* @version: dump version
* @trigger_id: trigger id that caused the dump collection
* @trigger_reason: not supported yet
* @is_external_cfg: 1 if an external debug configuration was loaded
* and 0 otherwise
* @time_point: time point that caused the dump collection
* @trigger_reason: reason of the trigger
* @external_cfg_state: &enum iwl_ini_cfg_state
* @ver_type: FW version type
* @ver_subtype: FW version subype
* @hw_step: HW step
......@@ -410,9 +409,9 @@ struct iwl_fw_ini_error_dump_register {
*/
struct iwl_fw_ini_dump_info {
__le32 version;
__le32 trigger_id;
__le32 time_point;
__le32 trigger_reason;
__le32 is_external_cfg;
__le32 external_cfg_state;
__le32 ver_type;
__le32 ver_subtype;
__le32 hw_step;
......
......@@ -90,6 +90,27 @@ struct iwl_fwrt_shared_mem_cfg {
#define IWL_FW_RUNTIME_DUMP_WK_NUM 5
/**
* struct iwl_fwrt_dump_data - dump data
* @trig: trigger the worker was scheduled upon
* @fw_pkt: packet received from FW
*/
struct iwl_fwrt_dump_data {
struct iwl_fw_ini_trigger_tlv *trig;
struct iwl_rx_packet *fw_pkt;
};
/**
* struct iwl_fwrt_wk_data - dump worker data struct
* @idx: index of the worker
* @wk: worker
*/
struct iwl_fwrt_wk_data {
u8 idx;
struct delayed_work wk;
struct iwl_fwrt_dump_data dump_data;
};
/**
* struct iwl_txf_iter_data - Tx fifo iterator data struct
* @fifo: fifo number
......@@ -141,17 +162,13 @@ struct iwl_fw_runtime {
struct {
const struct iwl_fw_dump_desc *desc;
bool monitor_only;
struct {
u8 idx;
enum iwl_fw_ini_trigger_id ini_trig_id;
struct delayed_work wk;
} wks[IWL_FW_RUNTIME_DUMP_WK_NUM];
struct iwl_fwrt_wk_data wks[IWL_FW_RUNTIME_DUMP_WK_NUM];
unsigned long active_wks;
u8 conf;
/* ts of the beginning of a non-collect fw dbg data period */
unsigned long non_collect_ts_start[IWL_FW_TRIGGER_ID_NUM];
unsigned long non_collect_ts_start[IWL_FW_INI_TIME_POINT_NUM];
u32 *d3_debug_data;
struct iwl_fw_ini_region_cfg *active_regs[IWL_FW_INI_MAX_REGION_ID];
struct iwl_fw_ini_active_triggers active_trigs[IWL_FW_TRIGGER_ID_NUM];
......
......@@ -710,6 +710,7 @@ struct iwl_self_init_dram {
* @fw_mon: address of the buffers for firmware monitor
* @hw_error: equals true if hw error interrupt was received from the FW
* @ini_dest: debug monitor destination uses &enum iwl_fw_ini_buffer_location
* @active_regions: active regions
*/
struct iwl_trans_debug {
u8 n_dest_reg;
......@@ -731,6 +732,8 @@ struct iwl_trans_debug {
bool hw_error;
enum iwl_fw_ini_buffer_location ini_dest;
struct iwl_ucode_tlv *active_regions[IWL_FW_INI_MAX_REGION_ID];
};
/**
......
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