aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorPagadala Yesu Anjaneyulu <[email protected]>2025-06-11 19:26:21 +0000
committerMiri Korenblit <[email protected]>2025-06-25 07:57:32 +0000
commit5943ce4e37dbae7cc11740609b165d0fb4b7df08 (patch)
treed307de0959f64b9e5734a453268d8f34cbb60183
parentwifi: iwlwifi: pcie: abort D3 handshake on error (diff)
downloadkernel-5943ce4e37dbae7cc11740609b165d0fb4b7df08.tar.gz
kernel-5943ce4e37dbae7cc11740609b165d0fb4b7df08.zip
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 <[email protected]> Signed-off-by: Miri Korenblit <[email protected]> Link: https://patch.msgid.link/20250611222325.bb38efe6700d.I9c666440dd1eac13ac52a2c2d533224c36fea2a6@changeid
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h10
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/drv.c9
2 files changed, 19 insertions, 0 deletions
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)