linux-kernel - Re: [PATCH v5 3/5] hisi_acc_vfio_pci: register debugfs for hisilicon migration driver

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Message-ID: <Y7REyEY2ngkHT6z+@nvidia.com>
Date:   Tue, 3 Jan 2023 11:07:52 -0400
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Longfang Liu <liulongfang@...wei.com>
Cc:     alex.williamson@...hat.com, shameerali.kolothum.thodi@...wei.com,
        jonathan.cameron@...wei.com, cohuck@...hat.com,
        linux-kernel@...r.kernel.org, linuxarm@...neuler.org
Subject: Re: [PATCH v5 3/5] hisi_acc_vfio_pci: register debugfs for hisilicon
 migration driver

On Sat, Dec 17, 2022 at 02:32:46PM +0800, Longfang Liu wrote:
> On the debugfs framework of VFIO, register the debug function
> for the live migration driver of the hisilicon accelerator device.
> 
> On the basis of the original public debug function, a private debug
> function is added:
> 
> mig_data file: used to get the migration data of the live migration device
> mig_attr file: used to get device attributes of the live migration device
> debug file: used to test for acquiring and writing device state data
> for VF device.
> 
> Signed-off-by: Longfang Liu <liulongfang@...wei.com>
> ---
>  .../vfio/pci/hisilicon/hisi_acc_vfio_pci.c    | 276 ++++++++++++++++++
>  .../vfio/pci/hisilicon/hisi_acc_vfio_pci.h    |  11 +
>  2 files changed, 287 insertions(+)

You should put this all in its own file and not compile it when
debugfs is turned off as well.

Jason