diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index 949da0c993cf..39013334a613 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -79,6 +79,18 @@ static int hclge_send_mbx_msg(struct hclge_vport *vport, u8 *msg, u16 msg_len, return status; } +int hclge_inform_reset_assert_to_vf(struct hclge_vport *vport) +{ + u8 msg_data[2]; + u8 dest_vfid; + + dest_vfid = (u8)vport->vport_id; + + /* send this requested info to VF */ + return hclge_send_mbx_msg(vport, msg_data, sizeof(u8), + HCLGE_MBX_ASSERTING_RESET, dest_vfid); +} + static void hclge_free_vector_ring_chain(struct hnae3_ring_chain_node *head) { struct hnae3_ring_chain_node *chain_tmp, *chain; @@ -339,6 +351,33 @@ static void hclge_mbx_reset_vf_queue(struct hclge_vport *vport, hclge_gen_resp_to_vf(vport, mbx_req, 0, NULL, 0); } +static void hclge_reset_vf(struct hclge_vport *vport, + struct hclge_mbx_vf_to_pf_cmd *mbx_req) +{ + struct hclge_dev *hdev = vport->back; + int ret; + + dev_warn(&hdev->pdev->dev, "PF received VF reset request from VF %d!", + mbx_req->mbx_src_vfid); + + /* Acknowledge VF that PF is now about to assert the reset for the VF. + * On receiving this message VF will get into pending state and will + * start polling for the hardware reset completion status. + */ + ret = hclge_inform_reset_assert_to_vf(vport); + if (ret) { + dev_err(&hdev->pdev->dev, + "PF fail(%d) to inform VF(%d)of reset, reset failed!\n", + ret, vport->vport_id); + return; + } + + dev_warn(&hdev->pdev->dev, "PF is now resetting VF %d.\n", + mbx_req->mbx_src_vfid); + /* reset this virtual function */ + hclge_func_reset_cmd(hdev, mbx_req->mbx_src_vfid); +} + void hclge_mbx_handler(struct hclge_dev *hdev) { struct hclge_cmq_ring *crq = &hdev->hw.cmq.crq; @@ -416,6 +455,9 @@ void hclge_mbx_handler(struct hclge_dev *hdev) case HCLGE_MBX_QUEUE_RESET: hclge_mbx_reset_vf_queue(vport, req); break; + case HCLGE_MBX_RESET: + hclge_reset_vf(vport, req); + break; default: dev_err(&hdev->pdev->dev, "un-supported mailbox message, code = %d\n", |