Commit 4b1831e4 authored by Shahar S Matityahu's avatar Shahar S Matityahu Committed by Luca Coelho
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iwlwifi: dbg_ini: support HW error trigger



Differentiate between SW and HW error interrupts and support ini HW
error trigger.

Signed-off-by: default avatarShahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
parent 8db32fa4
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+10 −0
Original line number Diff line number Diff line
@@ -458,4 +458,14 @@ static inline void iwl_fw_umac_set_alive_err_table(struct iwl_trans *trans,
/* This bit is used to differentiate the legacy dump from the ini dump */
#define INI_DUMP_BIT BIT(31)

static inline void iwl_fw_error_collect(struct iwl_fw_runtime *fwrt)
{
	if (fwrt->trans->ini_valid && fwrt->trans->hw_error) {
		_iwl_fw_dbg_ini_collect(fwrt, IWL_FW_TRIGGER_ID_FW_HW_ERROR);
		fwrt->trans->hw_error = false;
	} else {
		iwl_fw_dbg_collect_desc(fwrt, &iwl_dump_desc_assert, false, 0);
	}
}

#endif  /* __iwl_fw_dbg_h__ */
+2 −0
Original line number Diff line number Diff line
@@ -768,6 +768,7 @@ struct iwl_self_init_dram {
 * @umac_error_event_table: addr of umac error table
 * @error_event_table_tlv_status: bitmap that indicates what error table
 *	pointers was recevied via TLV. use enum &iwl_error_event_table_status
 * @hw_error: equals true if hw error interrupt was received from the FW
 */
struct iwl_trans {
	const struct iwl_trans_ops *ops;
@@ -831,6 +832,7 @@ struct iwl_trans {
	u32 umac_error_event_table;
	unsigned int error_event_table_tlv_status;
	wait_queue_head_t fw_halt_waitq;
	bool hw_error;

	/* pointer to trans specific struct */
	/*Ensure that this pointer will always be aligned to sizeof pointer */
+3 −4
Original line number Diff line number Diff line
@@ -1291,8 +1291,7 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
	 * can't recover this since we're already half suspended.
	 */
	if (!mvm->fw_restart && fw_error) {
		iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert,
					false, 0);
		iwl_fw_error_collect(&mvm->fwrt);
	} else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
		struct iwl_mvm_reprobe *reprobe;

@@ -1340,8 +1339,8 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
			}
		}

		iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert,
					false, 0);
		iwl_fw_error_collect(&mvm->fwrt);

		if (fw_error && mvm->fw_restart > 0)
			mvm->fw_restart--;
		set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
+1 −0
Original line number Diff line number Diff line
@@ -2207,6 +2207,7 @@ irqreturn_t iwl_pcie_irq_msix_handler(int irq, void *dev_id)
			"Hardware error detected. Restarting.\n");

		isr_stats->hw++;
		trans->hw_error = true;
		iwl_pcie_irq_handle_error(trans);
	}