[PATCH net-next 3/7] net: hns3: Add support to enable and disable hw errors

Salil Mehta
2018-10-19T19:15:28Z

This patch adds functions to enable and disable hw errors.

Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
---
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c | 22 ++++++++++++++++++++++
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h | 2 ++
.../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 8 ++++++++
3 files changed, 32 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
index 83aca6f..d2640d1 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
@@ -7,6 +7,28 @@ static const struct hclge_hw_blk hw_blk[] = {
{ /* sentinel */ }
};

+int hclge_hw_error_set_state(struct hclge_dev *hdev, bool state)
+{
+ struct device *dev = &hdev->pdev->dev;
+ int ret = 0;
+ int i = 0;
+
+ while (hw_blk[i].name) {
+ if (!hw_blk[i].enable_error) {
+ i++;
+ continue;
+ }
+ ret = hw_blk[i].enable_error(hdev, state);
+ if (ret) {
+ dev_err(dev, "fail(%d) to en/disable err int\n", ret);
+ return ret;
+ }
+ i++;
+ }
+
+ return ret;
+}
+
pci_ers_result_t hclge_process_ras_hw_error(struct hnae3_ae_dev *ae_dev)
{
struct hclge_dev *hdev = ae_dev->priv;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
index ea1637c..373e9bf 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
@@ -21,9 +21,11 @@ enum hclge_err_int_type {
struct hclge_hw_blk {
u32 msk;
const char *name;
+ int (*enable_error)(struct hclge_dev *hdev, bool en);
void (*process_error)(struct hclge_dev *hdev,
enum hclge_err_int_type type);
};

+int hclge_hw_error_set_state(struct hclge_dev *hdev, bool state);
pci_ers_result_t hclge_process_ras_hw_error(struct hnae3_ae_dev *ae_dev);
#endif
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 5075365..082ea97 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -6759,6 +6759,13 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev)
goto err_mdiobus_unreg;
}

+ ret = hclge_hw_error_set_state(hdev, true);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "hw error interrupts enable failed, ret =%d\n", ret);
+ goto err_mdiobus_unreg;
+ }
+
hclge_dcb_ops_set(hdev);

timer_setup(&hdev->service_timer, hclge_service_timer, 0);
@@ -6896,6 +6903,7 @@ static void hclge_uninit_ae_dev(struct hnae3_ae_dev *ae_dev)
hclge_enable_vector(&hdev->misc_vector, false);
synchronize_irq(hdev->misc_vector.vector_irq);

+ hclge_hw_error_set_state(hdev, false);
hclge_destroy_cmd_queue(&hdev->hw);
hclge_misc_irq_uninit(hdev);
hclge_pci_uninit(hdev);
--
2.7.4