On 2020/7/15 2:37, Jakub Kicinski wrote:
> On Tue, 14 Jul 2020 20:54:33 +0800 Luo bin wrote:
>> add support to update firmware by the devlink flashing API
>>
>> Signed-off-by: Luo bin <luob...@huawei.com>
>
> Minor nits below, otherwise I think this looks good.
>
>> +static int hinic_firmware_update(struct hinic_devlink_priv *priv,
>> + const struct firmware *fw)
>> +{
>> + struct host_image_st host_image;
>> + int err;
>> +
>> + memset(&host_image, 0, sizeof(struct host_image_st));
>> +
>> + if (!check_image_valid(priv, fw->data, fw->size, &host_image) ||
>> + !check_image_integrity(priv, &host_image, FW_UPDATE_COLD) ||
>> + !check_image_device_type(priv, host_image.device_id))
>
> These helpers should also set an appropriate message in extack, so the
> user can see it on the command line / inside their application.
>
>> + return -EINVAL;
>> +
>> + dev_info(&priv->hwdev->hwif->pdev->dev, "Flash firmware begin\n");
>> +
>> + err = hinic_flash_fw(priv, fw->data, &host_image);
>> + if (err) {
>> + if (err == HINIC_FW_DISMATCH_ERROR)
>> + dev_err(&priv->hwdev->hwif->pdev->dev, "Firmware image
>> doesn't match this card, please use newer image, err: %d\n",
>
> Here as well - please make sure to return an error messages through
> extack.
>
>> + err);
>> + else
>> + dev_err(&priv->hwdev->hwif->pdev->dev, "Send firmware
>> image data failed, err: %d\n",
>> + err);
>> + return err;
>> + }
>> +
>> + dev_info(&priv->hwdev->hwif->pdev->dev, "Flash firmware end\n");
>> +
>> + return 0;
>> +}
>
>> @@ -1086,6 +1090,17 @@ static int nic_dev_init(struct pci_dev *pdev)
>> return PTR_ERR(hwdev);
>> }
>>
>> + devlink = hinic_devlink_alloc();
>> + if (!devlink) {
>> + dev_err(&pdev->dev, "Hinic devlink alloc failed\n");
>> + err = -ENOMEM;
>> + goto err_devlink_alloc;
>> + }
>> +
>> + priv = devlink_priv(devlink);
>> + priv->hwdev = hwdev;
>> + priv->devlink = devlink;
>
> No need to remember the devlink pointer here, you can use
> priv_to_devlink(priv) to go from priv to devlink.
>
>> +
>> num_qps = hinic_hwdev_num_qps(hwdev);
>> if (num_qps <= 0) {
>> dev_err(&pdev->dev, "Invalid number of QPS\n");
> .
>
Will fix all. Thanks for your review.