Commit 5943ce4e authored by Pagadala Yesu Anjaneyulu's avatar Pagadala Yesu Anjaneyulu Committed by Miri Korenblit
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wifi: iwlwifi: add support for the devcoredump 



This handler will be used by upcoming changes to trigger
firmware dumps from devcoredump through trans layer.

Signed-off-by: default avatarPagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: default avatarMiri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250611222325.bb38efe6700d.I9c666440dd1eac13ac52a2c2d533224c36fea2a6@changeid
parent 8689bc3f

drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h

+10 −0
Original line number Diff line number Diff line
@@ -147,6 +147,8 @@ struct iwl_fw_error_dump_mode { 
 *	Op_mode needs to reset its internal state because the device did not

 *	survive the system state transition. The firmware is no longer running,

 *	etc...

 * @dump: Op_mode needs to collect the firmware dump upon this handler

 *	being called.

 */

struct iwl_op_mode_ops {

	struct iwl_op_mode *(*start)(struct iwl_trans *trans,
@@ -174,6 +176,7 @@ struct iwl_op_mode_ops { 
			   enum iwl_fw_ini_time_point tp_id,

			   union iwl_dbg_tlv_tp_data *tp_data);

	void (*device_powered_off)(struct iwl_op_mode *op_mode);

	void (*dump)(struct iwl_op_mode *op_mode);

};



int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops);
@@ -286,4 +289,11 @@ static inline void iwl_op_mode_device_powered_off(struct iwl_op_mode *op_mode) 
	op_mode->ops->device_powered_off(op_mode);

}



static inline void iwl_op_mode_dump(struct iwl_op_mode *op_mode)

{

	if (!op_mode || !op_mode->ops || !op_mode->ops->dump)

		return;

	op_mode->ops->dump(op_mode);

}



#endif /* __iwl_op_mode_h__ */

drivers/net/wireless/intel/iwlwifi/pcie/drv.c

+9 −0
Original line number Diff line number Diff line
@@ -1564,12 +1564,21 @@ static const struct dev_pm_ops iwl_dev_pm_ops = { 


#endif /* CONFIG_PM_SLEEP */



static void iwl_pci_dump(struct device *device)

{

	struct pci_dev *pdev = to_pci_dev(device);

	struct iwl_trans *trans = pci_get_drvdata(pdev);



	iwl_op_mode_dump(trans->op_mode);

}



static struct pci_driver iwl_pci_driver = {

	.name = DRV_NAME,

	.id_table = iwl_hw_card_ids,

	.probe = iwl_pci_probe,

	.remove = iwl_pci_remove,

	.driver.pm = IWL_PM_OPS,

	.driver.coredump = iwl_pci_dump,

};



int __must_check iwl_pci_register_driver(void)