netdev - Re: [PATCH V2 mlx5-next 08/14] vfio: Add a macro for VFIO_DEVICE_STATE

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Date:   Tue, 19 Oct 2021 09:50:54 -0600
From:   Alex Williamson <alex.williamson@...hat.com>
To:     Yishai Hadas <yishaih@...dia.com>
Cc:     <bhelgaas@...gle.com>, <jgg@...dia.com>, <saeedm@...dia.com>,
        <linux-pci@...r.kernel.org>, <kvm@...r.kernel.org>,
        <netdev@...r.kernel.org>, <kuba@...nel.org>, <leonro@...dia.com>,
        <kwankhede@...dia.com>, <mgurtovoy@...dia.com>, <maorg@...dia.com>
Subject: Re: [PATCH V2 mlx5-next 08/14] vfio: Add a macro for
 VFIO_DEVICE_STATE_ERROR

On Tue, 19 Oct 2021 09:48:20 -0600
Alex Williamson <alex.williamson@...hat.com> wrote:

> On Tue, 19 Oct 2021 13:58:32 +0300
> Yishai Hadas <yishaih@...dia.com> wrote:
> 
> > Add a macro for VFIO_DEVICE_STATE_ERROR to be used to set/check an error
> > state.
> > 
> > Signed-off-by: Yishai Hadas <yishaih@...dia.com>
> > ---
> >  include/uapi/linux/vfio.h | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
> > index 114ffcefe437..6d41a0f011db 100644
> > --- a/include/uapi/linux/vfio.h
> > +++ b/include/uapi/linux/vfio.h
> > @@ -631,6 +631,8 @@ struct vfio_device_migration_info {
> >  	__u64 data_size;
> >  };
> >  
> > +#define VFIO_DEVICE_STATE_ERROR (VFIO_DEVICE_STATE_SAVING | \
> > +				 VFIO_DEVICE_STATE_RESUMING)  
> 
> This should be with the other VFIO_DEVICE_STATE_foo #defines.  I'd
> probably put it between _RESUMING and _MASK.  Thanks,

This should also update the existing macros that include _SAVING |
_RESUMING.  Thanks,

Alex