From 5943ce4e37dbae7cc11740609b165d0fb4b7df08 Mon Sep 17 00:00:00 2001 From: Pagadala Yesu Anjaneyulu Date: Wed, 11 Jun 2025 22:26:21 +0300 Subject: [PATCH] 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: Pagadala Yesu Anjaneyulu Signed-off-by: Miri Korenblit Link: https://patch.msgid.link/20250611222325.bb38efe6700d.I9c666440dd1eac13ac52a2c2d533224c36fea2a6@changeid --- 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 --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) -- 2.47.2