diff options
Diffstat (limited to 'drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c')
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c index 583fd24c29cf..29e88e25a4a4 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c @@ -112,6 +112,26 @@ static u32 get_hw_cons_idx(struct hinic_api_cmd_chain *chain) return HINIC_API_CMD_STATUS_GET(val, CONS_IDX); } +static void dump_api_chain_reg(struct hinic_api_cmd_chain *chain) +{ + u32 addr, val; + + addr = HINIC_CSR_API_CMD_STATUS_ADDR(chain->chain_type); + val = hinic_hwif_read_reg(chain->hwif, addr); + + dev_err(&chain->hwif->pdev->dev, "Chain type: 0x%x, cpld error: 0x%x, check error: 0x%x, current fsm: 0x%x\n", + chain->chain_type, HINIC_API_CMD_STATUS_GET(val, CPLD_ERR), + HINIC_API_CMD_STATUS_GET(val, CHKSUM_ERR), + HINIC_API_CMD_STATUS_GET(val, FSM)); + + dev_err(&chain->hwif->pdev->dev, "Chain hw current ci: 0x%x\n", + HINIC_API_CMD_STATUS_GET(val, CONS_IDX)); + + addr = HINIC_CSR_API_CMD_CHAIN_PI_ADDR(chain->chain_type); + val = hinic_hwif_read_reg(chain->hwif, addr); + dev_err(&chain->hwif->pdev->dev, "Chain hw current pi: 0x%x\n", val); +} + /** * chain_busy - check if the chain is still processing last requests * @chain: chain to check @@ -131,8 +151,10 @@ static int chain_busy(struct hinic_api_cmd_chain *chain) /* check for a space for a new command */ if (chain->cons_idx == MASKED_IDX(chain, prod_idx + 1)) { - dev_err(&pdev->dev, "API CMD chain %d is busy\n", - chain->chain_type); + dev_err(&pdev->dev, "API CMD chain %d is busy, cons_idx: %d, prod_idx: %d\n", + chain->chain_type, chain->cons_idx, + chain->prod_idx); + dump_api_chain_reg(chain); return -EBUSY; } break; @@ -332,6 +354,7 @@ static int wait_for_api_cmd_completion(struct hinic_api_cmd_chain *chain) err = wait_for_status_poll(chain); if (err) { dev_err(&pdev->dev, "API CMD Poll status timeout\n"); + dump_api_chain_reg(chain); break; } break; |