diff options
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_hw_v2.c')
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 2abed0e3dfd8..329b37de1990 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -1265,6 +1265,16 @@ static int hns_roce_cmq_csq_done(struct hns_roce_dev *hr_dev) return tail == priv->cmq.csq.head; } +static void update_cmdq_status(struct hns_roce_dev *hr_dev) +{ + struct hns_roce_v2_priv *priv = hr_dev->priv; + struct hnae3_handle *handle = priv->handle; + + if (handle->rinfo.reset_state == HNS_ROCE_STATE_RST_INIT || + handle->rinfo.instance_state == HNS_ROCE_STATE_INIT) + hr_dev->cmd.state = HNS_ROCE_CMDQ_STATE_FATAL_ERR; +} + static int __hns_roce_cmq_send(struct hns_roce_dev *hr_dev, struct hns_roce_cmq_desc *desc, int num) { @@ -1319,6 +1329,8 @@ static int __hns_roce_cmq_send(struct hns_roce_dev *hr_dev, csq->head, tail); csq->head = tail; + update_cmdq_status(hr_dev); + ret = -EAGAIN; } @@ -1333,6 +1345,9 @@ static int hns_roce_cmq_send(struct hns_roce_dev *hr_dev, bool busy; int ret; + if (hr_dev->cmd.state == HNS_ROCE_CMDQ_STATE_FATAL_ERR) + return -EIO; + if (!v2_chk_mbox_is_avail(hr_dev, &busy)) return busy ? -EBUSY : 0; @@ -1531,6 +1546,9 @@ static void hns_roce_function_clear(struct hns_roce_dev *hr_dev) int ret; int i; + if (hr_dev->cmd.state == HNS_ROCE_CMDQ_STATE_FATAL_ERR) + return; + for (i = hr_dev->func_num - 1; i >= 0; i--) { __hns_roce_function_clear(hr_dev, i); @@ -3010,6 +3028,9 @@ static int v2_wait_mbox_complete(struct hns_roce_dev *hr_dev, u32 timeout, mb_st = (struct hns_roce_mbox_status *)desc.data; end = msecs_to_jiffies(timeout) + jiffies; while (v2_chk_mbox_is_avail(hr_dev, &busy)) { + if (hr_dev->cmd.state == HNS_ROCE_CMDQ_STATE_FATAL_ERR) + return -EIO; + status = 0; hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_QUERY_MB_ST, true); |