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net: hns3: add handler for NCSI error mailbox

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When NCSI has HW error, the IMP will report this error to the driver
by sending a mailbox. After received this message, the driver should
assert a global reset to fix this kind of HW error.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Reviewed-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Huazhong Tan 2019-08-01 11:55:35 +08:00 committed by David S. Miller
parent ed8fb4b262
commit b18bf305c4
4 changed files with 15 additions and 0 deletions
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1
drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
View File

@ -48,6 +48,7 @@ enum HCLGE_MBX_OPCODE {
HCLGE_MBX_GET_VF_FLR_STATUS = 200, /* (M7 -> PF) get vf reset status */
HCLGE_MBX_PUSH_LINK_STATUS, /* (M7 -> PF) get port link status */
HCLGE_MBX_NCSI_ERROR, /* (M7 -> PF) receive a NCSI error */
};
/* below are per-VF mac-vlan subcodes */

1
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
View File

@ -394,6 +394,7 @@ static int hclge_firmware_compat_config(struct hclge_dev *hdev)
req = (struct hclge_firmware_compat_cmd *)desc.data;
hnae3_set_bit(compat, HCLGE_LINK_EVENT_REPORT_EN_B, 1);
hnae3_set_bit(compat, HCLGE_NCSI_ERROR_REPORT_EN_B, 1);
req->compat = cpu_to_le32(compat);
return hclge_cmd_send(&hdev->hw, &desc, 1);

1
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
View File

@ -1011,6 +1011,7 @@ struct hclge_query_ppu_pf_other_int_dfx_cmd {
};
#define HCLGE_LINK_EVENT_REPORT_EN_B 0
#define HCLGE_NCSI_ERROR_REPORT_EN_B 1
struct hclge_firmware_compat_cmd {
__le32 compat;
u8 rsv[20];

12
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
View File

@ -582,6 +582,15 @@ static bool hclge_cmd_crq_empty(struct hclge_hw *hw)
return tail == hw->cmq.crq.next_to_use;
}
static void hclge_handle_ncsi_error(struct hclge_dev *hdev)
{
struct hnae3_ae_dev *ae_dev = hdev->ae_dev;
ae_dev->ops->set_default_reset_request(ae_dev, HNAE3_GLOBAL_RESET);
dev_warn(&hdev->pdev->dev, "requesting reset due to NCSI error\n");
ae_dev->ops->reset_event(hdev->pdev, NULL);
}
void hclge_mbx_handler(struct hclge_dev *hdev)
{
struct hclge_cmq_ring *crq = &hdev->hw.cmq.crq;
@ -740,6 +749,9 @@ void hclge_mbx_handler(struct hclge_dev *hdev)
case HCLGE_MBX_PUSH_LINK_STATUS:
hclge_handle_link_change_event(hdev, req);
break;
case HCLGE_MBX_NCSI_ERROR:
hclge_handle_ncsi_error(hdev);
break;
default:
dev_err(&hdev->pdev->dev,
"un-supported mailbox message, code = %d\n",