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wifi: iwlwifi: add support for the devcoredump

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

Signed-off-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250611222325.bb38efe6700d.I9c666440dd1eac13ac52a2c2d533224c36fea2a6@changeid
This commit is contained in:
Pagadala Yesu Anjaneyulu
2025-06-11 22:26:21 +03:00
committed by Miri Korenblit
parent 8689bc3fc0
commit 5943ce4e37
2 changed files with 19 additions and 0 deletions
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10
drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h
View File

@@ -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__ */

9
drivers/net/wireless/intel/iwlwifi/pcie/drv.c
View File

@@ -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)