linux-kernel - Re: [Patch net-next 00/11] add code optimization for VF reset and some new reset feature

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Date:   Fri, 09 Nov 2018 16:47:51 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     tanhuazhong@...wei.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        salil.mehta@...wei.com, yisen.zhuang@...wei.com,
        linuxarm@...wei.com
Subject: Re: [Patch net-next 00/11] add code optimization for VF reset and
 some new reset feature

From: Huazhong Tan <tanhuazhong@...wei.com>
Date: Fri, 9 Nov 2018 22:07:45 +0800

> Currently hardware supports below reset:
> 1. VF reset: triggered by sending cmd to IMP(Integrated Management
>    Processor). Only reset specific VF function and do not affect
>    other PF or VF.
> 2. PF reset: triggered by sending cmd to IMP. Only reset specific PF
>    and it's VF.
> 3. PF FLR: triggered by PCIe subsystem. Only reset specific PF and
>    it's VF.
> 4. VF FLR: triggered by PCIe subsystem. Only reset specific VF function
>    and do not affect other PF or VF.
> 5. Core reset: triggered by writing to register. Reset most hardware
>    unit, such as SSU, which affects all the PF and VF.
> 6. Global reset: triggered by writing to register. Reset all hardware
>    unit, which affects all the PF and VF.
> 7. IMP reset: triggered by IMU(Intelligent Management Unit) when
>    IMP is not longer feeding IMU's watchdog. IMU will reload the IMP
>    firmware and IMP will perform global reset after firmware reloading,
>    which affects all the PF and VF.
> 
> Current driver only support PF/VF reset, incomplete core and global
> reset(lacking the vf reset handling). So this patchset adds complete
> reset support in hns3 driver.
> 
> Also, this patchset contains some optimization related to reset.

Series applied, thank you.