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path: root/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c58
1 files changed, 53 insertions, 5 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
index a8ebc26d1da1..c73672d61356 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
@@ -233,6 +233,7 @@ static int iwl_dbg_tlv_alloc_trigger(struct iwl_trans *trans,
const struct iwl_fw_ini_trigger_tlv *trig = (const void *)tlv->data;
struct iwl_fw_ini_trigger_tlv *dup_trig;
u32 tp = le32_to_cpu(trig->time_point);
+ u32 rf = le32_to_cpu(trig->reset_fw);
struct iwl_ucode_tlv *dup = NULL;
int ret;
@@ -247,6 +248,10 @@ static int iwl_dbg_tlv_alloc_trigger(struct iwl_trans *trans,
return -EINVAL;
}
+ IWL_DEBUG_FW(trans,
+ "WRT: time point %u for trigger TLV with reset_fw %u\n",
+ tp, rf);
+ trans->dbg.last_tp_resetfw = 0xFF;
if (!le32_to_cpu(trig->occurrences)) {
dup = kmemdup(tlv, sizeof(*tlv) + le32_to_cpu(tlv->length),
GFP_KERNEL);
@@ -300,14 +305,21 @@ static int (*dbg_tlv_alloc[])(struct iwl_trans *trans,
void iwl_dbg_tlv_alloc(struct iwl_trans *trans, const struct iwl_ucode_tlv *tlv,
bool ext)
{
- const struct iwl_fw_ini_header *hdr = (const void *)&tlv->data[0];
- u32 type = le32_to_cpu(tlv->type);
- u32 tlv_idx = type - IWL_UCODE_TLV_DEBUG_BASE;
- u32 domain = le32_to_cpu(hdr->domain);
enum iwl_ini_cfg_state *cfg_state = ext ?
&trans->dbg.external_ini_cfg : &trans->dbg.internal_ini_cfg;
+ const struct iwl_fw_ini_header *hdr = (const void *)&tlv->data[0];
+ u32 type;
+ u32 tlv_idx;
+ u32 domain;
int ret;
+ if (le32_to_cpu(tlv->length) < sizeof(*hdr))
+ return;
+
+ type = le32_to_cpu(tlv->type);
+ tlv_idx = type - IWL_UCODE_TLV_DEBUG_BASE;
+ domain = le32_to_cpu(hdr->domain);
+
if (domain != IWL_FW_INI_DOMAIN_ALWAYS_ON &&
!(domain & trans->dbg.domains_bitmap)) {
IWL_DEBUG_FW(trans,
@@ -1159,6 +1171,8 @@ iwl_dbg_tlv_tp_trigger(struct iwl_fw_runtime *fwrt, bool sync,
u32 num_data = iwl_tlv_array_len(&node->tlv, dump_data.trig,
data);
int ret, i;
+ u32 tp = le32_to_cpu(dump_data.trig->time_point);
+
if (!num_data) {
ret = iwl_fw_dbg_ini_collect(fwrt, &dump_data, sync);
@@ -1177,8 +1191,42 @@ iwl_dbg_tlv_tp_trigger(struct iwl_fw_runtime *fwrt, bool sync,
break;
}
}
- }
+ fwrt->trans->dbg.restart_required = FALSE;
+ IWL_DEBUG_INFO(fwrt, "WRT: tp %d, reset_fw %d\n",
+ tp, dump_data.trig->reset_fw);
+ IWL_DEBUG_INFO(fwrt, "WRT: restart_required %d, last_tp_resetfw %d\n",
+ fwrt->trans->dbg.restart_required,
+ fwrt->trans->dbg.last_tp_resetfw);
+
+ if (fwrt->trans->trans_cfg->device_family ==
+ IWL_DEVICE_FAMILY_9000) {
+ fwrt->trans->dbg.restart_required = TRUE;
+ } else if (tp == IWL_FW_INI_TIME_POINT_FW_ASSERT &&
+ fwrt->trans->dbg.last_tp_resetfw ==
+ IWL_FW_INI_RESET_FW_MODE_STOP_FW_ONLY) {
+ fwrt->trans->dbg.restart_required = FALSE;
+ fwrt->trans->dbg.last_tp_resetfw = 0xFF;
+ IWL_DEBUG_FW(fwrt, "WRT: FW_ASSERT due to reset_fw_mode-no restart\n");
+ } else if (le32_to_cpu(dump_data.trig->reset_fw) ==
+ IWL_FW_INI_RESET_FW_MODE_STOP_AND_RELOAD_FW) {
+ IWL_DEBUG_INFO(fwrt, "WRT: stop and reload firmware\n");
+ fwrt->trans->dbg.restart_required = TRUE;
+ } else if (le32_to_cpu(dump_data.trig->reset_fw) ==
+ IWL_FW_INI_RESET_FW_MODE_STOP_FW_ONLY) {
+ IWL_DEBUG_INFO(fwrt, "WRT: stop only and no reload firmware\n");
+ fwrt->trans->dbg.restart_required = FALSE;
+ fwrt->trans->dbg.last_tp_resetfw =
+ le32_to_cpu(dump_data.trig->reset_fw);
+ } else if (le32_to_cpu(dump_data.trig->reset_fw) ==
+ IWL_FW_INI_RESET_FW_MODE_NOTHING) {
+ IWL_DEBUG_INFO(fwrt,
+ "WRT: nothing need to be done after debug collection\n");
+ } else {
+ IWL_ERR(fwrt, "WRT: wrong resetfw %d\n",
+ le32_to_cpu(dump_data.trig->reset_fw));
+ }
+ }
return 0;
}