Shunsuke Mie
2023-Apr-27 10:44 UTC
[RFC PATCH v2 2/3] virtio_pci: add a definition of queue flag in ISR
Already it has beed defined a config changed flag of ISR, but not the queue flag. Add a macro for it. Signed-off-by: Shunsuke Mie <mie at igel.co.jp> --- 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
Jason Wang
2023-May-08 03:59 UTC
[RFC PATCH v2 2/3] virtio_pci: add a definition of queue flag in ISR
On Thu, Apr 27, 2023 at 6:44?PM Shunsuke Mie <mie at igel.co.jp> wrote:> > Already it has beed defined a config changed flag of ISR, but not the queueTypo should be "been".> flag. Add a macro for it. > > Signed-off-by: Shunsuke Mie <mie at igel.co.jp>Other than this, Acked-by: Jason Wang <jasowang at redhat.com>> --- > 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 >