From 500d0df5b4b2394a06b949bab05f7ed0242b9858 Mon Sep 17 00:00:00 2001 From: Wojciech Drewek Date: Mon, 5 Feb 2024 14:03:57 +0100 Subject: [PATCH] ice: Fix debugfs with devlink reload During devlink reload it is needed to remove debugfs entries correlated with only one PF. ice_debugfs_exit() removes all entries created by ice driver so we can't use it. Introduce ice_debugfs_pf_deinit() in order to release PF's debugfs entries. Move ice_debugfs_exit() call to ice_module_exit(), it makes more sense since ice_debugfs_init() is called in ice_module_init() and not in ice_probe(). Signed-off-by: Wojciech Drewek Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Reviewed-by: Brett Creeley Reviewed-by: Simon Horman Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/ice/ice.h | 1 + drivers/net/ethernet/intel/ice/ice_debugfs.c | 10 ++++++++++ drivers/net/ethernet/intel/ice/ice_fwlog.c | 2 ++ drivers/net/ethernet/intel/ice/ice_main.c | 3 +-- 4 files changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index 118e84835720..365c03d1c462 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -896,6 +896,7 @@ static inline bool ice_is_adq_active(struct ice_pf *pf) } void ice_debugfs_fwlog_init(struct ice_pf *pf); +void ice_debugfs_pf_deinit(struct ice_pf *pf); void ice_debugfs_init(void); void ice_debugfs_exit(void); void ice_pf_fwlog_update_module(struct ice_pf *pf, int log_level, int module); diff --git a/drivers/net/ethernet/intel/ice/ice_debugfs.c b/drivers/net/ethernet/intel/ice/ice_debugfs.c index 85aa31dd86b1..d252d98218d0 100644 --- a/drivers/net/ethernet/intel/ice/ice_debugfs.c +++ b/drivers/net/ethernet/intel/ice/ice_debugfs.c @@ -644,6 +644,16 @@ err_create_module_files: kfree(fw_modules); } +/** + * ice_debugfs_pf_deinit - cleanup PF's debugfs + * @pf: pointer to the PF struct + */ +void ice_debugfs_pf_deinit(struct ice_pf *pf) +{ + debugfs_remove_recursive(pf->ice_debugfs_pf); + pf->ice_debugfs_pf = NULL; +} + /** * ice_debugfs_init - create root directory for debugfs entries */ diff --git a/drivers/net/ethernet/intel/ice/ice_fwlog.c b/drivers/net/ethernet/intel/ice/ice_fwlog.c index 92b5dac481cd..4fd15387a7e5 100644 --- a/drivers/net/ethernet/intel/ice/ice_fwlog.c +++ b/drivers/net/ethernet/intel/ice/ice_fwlog.c @@ -188,6 +188,8 @@ void ice_fwlog_deinit(struct ice_hw *hw) if (hw->bus.func) return; + ice_debugfs_pf_deinit(hw->back); + /* make sure FW logging is disabled to not put the FW in a weird state * for the next driver load */ diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 85a996ad2c1f..9c2c8637b4a7 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -5276,8 +5276,6 @@ static void ice_remove(struct pci_dev *pdev) msleep(100); } - ice_debugfs_exit(); - if (test_bit(ICE_FLAG_SRIOV_ENA, pf->flags)) { set_bit(ICE_VF_RESETS_DISABLED, pf->state); ice_free_vfs(pf); @@ -5783,6 +5781,7 @@ module_init(ice_module_init); static void __exit ice_module_exit(void) { pci_unregister_driver(&ice_driver); + ice_debugfs_exit(); destroy_workqueue(ice_wq); destroy_workqueue(ice_lag_wq); pr_info("module unloaded\n");