diff options
| author |   Huazhong Tan <tanhuazhong@huawei.com> | 2019-08-01 11:55:35 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-08-01 13:32:12 -0400 |
| commit | b18bf305c46c20e289c6d030b21b13b632e8a459 (patch) | |
| tree | b85140158be5bb50b3398ea8ea6fbb3d06a19636 /drivers/net | |
| parent | net: hns3: add link change event report (diff) | |
| download | linux-dev-b18bf305c46c20e289c6d030b21b13b632e8a459.tar.xz linux-dev-b18bf305c46c20e289c6d030b21b13b632e8a459.zip | |
net: hns3: add handler for NCSI error mailbox
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>
Diffstat (limited to 'drivers/net')
4 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h index 1564be5e148b..f8a87f8ca983 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h +++ b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h @@ -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 */ diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c index 538d1017592a..c20b972d21f7 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c @@ -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); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index 743c9f41c67e..070b9ddb6ffe 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -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]; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index 87de32dfa6c8..5a7221ee6bb9 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -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", |