diff mbox series

[iwlwifi-next,v2,02/15] wifi: iwlwifi: add support for the devcoredump

Message ID 20250611222325.bb38efe6700d.I9c666440dd1eac13ac52a2c2d533224c36fea2a6@changeid
State New
Headers show
Series wifi: iwlwifi: updates - 2025-09-11 | expand

Commit Message

Miri Korenblit June 11, 2025, 7:26 p.m. UTC 
From: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>

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>
---
 drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h | 10 ++++++++++
 drivers/net/wireless/intel/iwlwifi/pcie/drv.c    |  9 +++++++++
 2 files changed, 19 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h b/drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h
index 5dc299296d6d..a146d0e399f2 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h
@@ -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__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index 44e19b27f36a..a42a6da5d2ea 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
@@ -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)