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net: hns3: add some debug information for hclge_check_event_cause 

When received vector0 msix and other event interrupt, it should
print the value of the register for debugging.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Huazhong Tan 2019-04-19 11:05:38 +08:00 committed by David S. Miller
parent c88a6e7d88
commit 147175c92a
1 changed files with 7 additions and 1 deletions
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8
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
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@ -2383,8 +2383,11 @@ static u32 hclge_check_event_cause(struct hclge_dev *hdev, u32 *clearval)
}
/* check for vector0 msix event source */
if (msix_src_reg & HCLGE_VECTOR0_REG_MSIX_MASK)
if (msix_src_reg & HCLGE_VECTOR0_REG_MSIX_MASK) {
dev_dbg(&hdev->pdev->dev, "received event 0x%x\n",
msix_src_reg);
return HCLGE_VECTOR0_EVENT_ERR;
}
/* check for vector0 mailbox(=CMDQ RX) event source */
if (BIT(HCLGE_VECTOR0_RX_CMDQ_INT_B) & cmdq_src_reg) {
@ -2393,6 +2396,9 @@ static u32 hclge_check_event_cause(struct hclge_dev *hdev, u32 *clearval)
return HCLGE_VECTOR0_EVENT_MBX;
}
/* print other vector0 event source */
dev_dbg(&hdev->pdev->dev, "cmdq_src_reg:0x%x, msix_src_reg:0x%x\n",
cmdq_src_reg, msix_src_reg);
return HCLGE_VECTOR0_EVENT_OTHER;
}