Re: [RFC PATCH v2 2/3] virtio_pci: add a definition of queue flag in ISR

[Shunsuke Mie]

2023年5月8日(月) 12:59 Jason Wang <jasowang@xxxxxxxxxx>:
>
> On Thu, Apr 27, 2023 at 6:44 PM Shunsuke Mie <mie@xxxxxxxxxx> wrote:
> >
> > Already it has beed defined a config changed flag of ISR, but not the queue
>
> Typo should be "been".
Thanks for pointing that out.
> > flag. Add a macro for it.
> >
> > Signed-off-by: Shunsuke Mie <mie@xxxxxxxxxx>
>
> Other than this,
>
> Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
>
> > ---
> >  include/uapi/linux/virtio_pci.h | 3 +++
> >  1 file changed, 3 insertions(+)
> >
> > diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h
> > index f703afc7ad31..d405bea27240 100644
> > --- a/include/uapi/linux/virtio_pci.h
> > +++ b/include/uapi/linux/virtio_pci.h
> > @@ -94,6 +94,9 @@
> >
> >  #endif /* VIRTIO_PCI_NO_LEGACY */
> >
> > +/* Bits for ISR status field:only when if MSI-X is disabled */
> > +/* The bit of the ISR which indicates a queue entry update. */
> > +#define VIRTIO_PCI_ISR_QUEUE           0x1
> >  /* The bit of the ISR which indicates a device configuration change. */
> >  #define VIRTIO_PCI_ISR_CONFIG          0x2
> >  /* Vector value used to disable MSI for queue */
> > --
> > 2.25.1
> >
>