netdev - Re: [RFC] devlink: health: add remediation type

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Date:   Sat, 6 Mar 2021 15:48:11 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, jiri@...nulli.us, saeedm@...dia.com,
        andrew.gospodarek@...adcom.com, jacob.e.keller@...el.com,
        guglielmo.morandin@...adcom.com, eugenem@...com,
        eranbe@...lanox.com
Subject: Re: [RFC] devlink: health: add remediation type

+/**
> + * enum devlink_health_reporter_remedy - severity of remediation procedure
> + * @DLH_REMEDY_NONE: transient error, no remediation required
> + * @DLH_REMEDY_COMP_RESET: associated device component (e.g. device queue)
> + *			will be reset
> + * @DLH_REMEDY_RESET: full device reset, will result in temporary unavailability
> + *			of the device, device configuration should not be lost
> + * @DLH_REMEDY_REINIT: device will be reinitialized and configuration lost
> + * @DLH_REMEDY_POWER_CYCLE: device requires a power cycle to recover
> + * @DLH_REMEDY_REIMAGE: device needs to be reflashed
> + * @DLH_REMEDY_BAD_PART: indication of failing hardware, device needs to be
> + *			replaced
> + *
> + * Used in %DEVLINK_ATTR_HEALTH_REPORTER_REMEDY, categorizes the health reporter
> + * by the severity of the required remediation, and indicates the remediation
> + * type to the user if it can't be applied automatically (e.g. "reimage").
> + */
> +enum devlink_health_reporter_remedy {
> +	DLH_REMEDY_NONE = 1,
> +	DLH_REMEDY_COMP_RESET,
> +	DLH_REMEDY_RESET,
> +	DLH_REMEDY_REINIT,
> +	DLH_REMEDY_POWER_CYCLE,
> +	DLH_REMEDY_REIMAGE,
> +	DLH_REMEDY_BAD_PART,
> +};

Hi Jakub

Are there any cases where the host is the problem, not the device? The
host driver needs to be unloaded and reloaded? The host needs a
reboot?

	Andrew