qed: use devlink logic to report errors

Use devlink_health_report to push error indications.
We implement this in qede via callback function to make it possible
to reuse the same for other drivers sitting on top of qed in future.

Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/qlogic/qed/qed_devlink.c b/drivers/net/ethernet/qlogic/qed/qed_devlink.c
index 8b2c72f..4de786d 100644 (file)
--- a/drivers/net/ethernet/qlogic/qed/qed_devlink.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_devlink.c
@@ -14,6 +14,24 @@ enum qed_devlink_param_id {
        QED_DEVLINK_PARAM_ID_IWARP_CMT,
 };
 
+struct qed_fw_fatal_ctx {
+       enum qed_hw_err_type err_type;
+};
+
+int qed_report_fatal_error(struct devlink *devlink, enum qed_hw_err_type err_type)
+{
+       struct qed_devlink *qdl = devlink_priv(devlink);
+       struct qed_fw_fatal_ctx fw_fatal_ctx = {
+               .err_type = err_type,
+       };
+
+       if (qdl->fw_reporter)
+               devlink_health_report(qdl->fw_reporter,
+                                     "Fatal error occurred", &fw_fatal_ctx);
+
+       return 0;
+}
+
 static const struct devlink_health_reporter_ops qed_fw_fatal_reporter_ops = {
                .name = "fw_fatal",
 };

diff --git a/drivers/net/ethernet/qlogic/qed/qed_devlink.h b/drivers/net/ethernet/qlogic/qed/qed_devlink.h
index c68ecf7..ccc7d1d 100644 (file)
--- a/drivers/net/ethernet/qlogic/qed/qed_devlink.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_devlink.h
@@ -15,4 +15,6 @@ void qed_devlink_unregister(struct devlink *devlink);
 void qed_fw_reporters_create(struct devlink *devlink);
 void qed_fw_reporters_destroy(struct devlink *devlink);
 
+int qed_report_fatal_error(struct devlink *dl, enum qed_hw_err_type err_type);
+
 #endif

diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index d1a559c..a64d594 100644 (file)
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -3007,6 +3007,7 @@ const struct qed_common_ops qed_common_ops_pass = {
        .update_msglvl = &qed_init_dp,
        .devlink_register = qed_devlink_register,
        .devlink_unregister = qed_devlink_unregister,
+       .report_fatal_error = qed_report_fatal_error,
        .dbg_all_data = &qed_dbg_all_data,
        .dbg_all_data_size = &qed_dbg_all_data_size,
        .chain_alloc = &qed_chain_alloc,

diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h
index 1f0e750..3efc589 100644 (file)
--- a/drivers/net/ethernet/qlogic/qede/qede.h
+++ b/drivers/net/ethernet/qlogic/qede/qede.h
@@ -264,6 +264,7 @@ struct qede_dev {
 
        struct bpf_prog                 *xdp_prog;
 
+       enum qed_hw_err_type            last_err_type;
        unsigned long                   err_flags;
 #define QEDE_ERR_IS_HANDLED            31
 #define QEDE_ERR_ATTN_CLR_EN           0

diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index 4cd8412..bafdf46 100644 (file)
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -2601,6 +2601,9 @@ static void qede_generic_hw_err_handler(struct qede_dev *edev)
                  "Generic sleepable HW error handling started - err_flags 0x%lx\n",
                  edev->err_flags);
 
+       if (edev->devlink)
+               edev->ops->common->report_fatal_error(edev->devlink, edev->last_err_type);
+
        /* Trigger a recovery process.
         * This is placed in the sleep requiring section just to make
         * sure it is the last one, and that all the other operations
@@ -2661,6 +2664,7 @@ static void qede_schedule_hw_err_handler(void *dev,
                return;
        }
 
+       edev->last_err_type = err_type;
        qede_set_hw_err_flags(edev, err_type);
        qede_atomic_hw_err_handler(edev);
        set_bit(QEDE_SP_HW_ERR, &edev->sp_flags);

diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h
index 30fe06f..a75533d 100644 (file)
--- a/include/linux/qed/qed_if.h
+++ b/include/linux/qed/qed_if.h
@@ -906,6 +906,9 @@ struct qed_common_ops {
 
        int (*dbg_all_data_size) (struct qed_dev *cdev);
 
+       int (*report_fatal_error)(struct devlink *devlink,
+                                 enum qed_hw_err_type err_type);
+
 /**
  * @brief can_link_change - can the instance change the link or not
  *