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authorShiju Jose <shiju.jose@huawei.com>2019-06-13 17:12:24 +0800
committerDavid S. Miller <davem@davemloft.net>2019-06-14 19:26:15 -0700
commite3b84ed27043d66a75cd229adc05426b6847dfa6 (patch)
treeb329879dd17f259229b8054a6977b407d4d77f43
parente4193e24a52016d9088e796c313f6eb3c9c540e0 (diff)
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net: hns3: add recovery for the H/W errors occurred before the HNS dev initialization
This patch adds the recovery for the HNS H/W errors which occurred before the driver initialization. Reported-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: Shiju Jose <shiju.jose@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index d9863c300b1d..6761d725bb12 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -3236,6 +3236,7 @@ static bool hclge_reset_err_handle(struct hclge_dev *hdev, bool is_timeout)
dev_info(&hdev->pdev->dev, "Upgrade reset level\n");
hclge_clear_reset_cause(hdev);
+ set_bit(HNAE3_GLOBAL_RESET, &hdev->default_reset_request);
mod_timer(&hdev->reset_timer,
jiffies + HCLGE_RESET_INTERVAL);
@@ -3430,8 +3431,7 @@ static void hclge_reset_timer(struct timer_list *t)
struct hclge_dev *hdev = from_timer(hdev, t, reset_timer);
dev_info(&hdev->pdev->dev,
- "triggering global reset in reset timer\n");
- set_bit(HNAE3_GLOBAL_RESET, &hdev->default_reset_request);
+ "triggering reset in reset timer\n");
hclge_reset_event(hdev->pdev, NULL);
}
@@ -8614,6 +8614,18 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev)
/* Log and clear the hw errors those already occurred */
hclge_handle_all_hns_hw_errors(ae_dev);
+ /* request delayed reset for the error recovery because an immediate
+ * global reset on a PF affecting pending initialization of other PFs
+ */
+ if (ae_dev->hw_err_reset_req) {
+ enum hnae3_reset_type reset_level;
+
+ reset_level = hclge_get_reset_level(ae_dev,
+ &ae_dev->hw_err_reset_req);
+ hclge_set_def_reset_request(ae_dev, reset_level);
+ mod_timer(&hdev->reset_timer, jiffies + HCLGE_RESET_INTERVAL);
+ }
+
/* Enable MISC vector(vector0) */
hclge_enable_vector(&hdev->misc_vector, true);