[Intel-wired-lan] [net-next PATCH] ice: report timeout length for erasing during devlink flash

Shannon Nelson shannon.lee.nelson at gmail.com
Thu Nov 12 18:50:19 UTC 2020


On Wed, Nov 11, 2020 at 11:00 AM Jacob Keller <jacob.e.keller at intel.com> wrote:
>
> When erasing, notify userspace of how long we will potentially take to
> erase a module. Doing so allows userspace to report the timeout, giving
> a clear indication of the upper time bound of the operation.
>
> Since we're re-using the erase timeout value, make it a macro rather
> than a magic number.
>
> Signed-off-by: Jacob Keller <jacob.e.keller at intel.com>

Reviewed-by: Shannon Nelson <snelson at pensando.io>

> ---
>  drivers/net/ethernet/intel/ice/ice_fw_update.c | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/ethernet/intel/ice/ice_fw_update.c b/drivers/net/ethernet/intel/ice/ice_fw_update.c
> index 8f81b95e679c..dcec0360ce55 100644
> --- a/drivers/net/ethernet/intel/ice/ice_fw_update.c
> +++ b/drivers/net/ethernet/intel/ice/ice_fw_update.c
> @@ -417,6 +417,11 @@ ice_write_nvm_module(struct ice_pf *pf, u16 module, const char *component,
>         return err;
>  }
>
> +/* Length in seconds to wait before timing out when erasing a flash module.
> + * Yes, erasing really can take minutes to complete.
> + */
> +#define ICE_FW_ERASE_TIMEOUT 300
> +
>  /**
>   * ice_erase_nvm_module - Erase an NVM module and await firmware completion
>   * @pf: the PF data structure
> @@ -449,7 +454,7 @@ ice_erase_nvm_module(struct ice_pf *pf, u16 module, const char *component,
>
>         devlink = priv_to_devlink(pf);
>
> -       devlink_flash_update_status_notify(devlink, "Erasing", component, 0, 0);
> +       devlink_flash_update_timeout_notify(devlink, "Erasing", component, ICE_FW_ERASE_TIMEOUT);
>
>         status = ice_aq_erase_nvm(hw, module, NULL);
>         if (status) {
> @@ -461,8 +466,7 @@ ice_erase_nvm_module(struct ice_pf *pf, u16 module, const char *component,
>                 goto out_notify_devlink;
>         }
>
> -       /* Yes, this really can take minutes to complete */
> -       err = ice_aq_wait_for_event(pf, ice_aqc_opc_nvm_erase, 300 * HZ, &event);
> +       err = ice_aq_wait_for_event(pf, ice_aqc_opc_nvm_erase, ICE_FW_ERASE_TIMEOUT * HZ, &event);
>         if (err) {
>                 dev_err(dev, "Timed out waiting for firmware to respond with erase completion for %s (module 0x%02x), err %d\n",
>                         component, module, err);
>
> base-commit: 6a4868314a36d2580a87ade92e2d3f302eec3f03
> --
> 2.29.0
>
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-- 
==============================================
Mr. Shannon Nelson         Parents can't afford to be squeamish.


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