Shunsuke Mie
2023-Feb-03 10:04 UTC
[RFC PATCH 1/4] 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> Signed-off-by: Takanari Hayama <taki at igel.co.jp> --- include/uapi/linux/virtio_pci.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h index f703afc7ad31..fa82afd6171a 100644 --- a/include/uapi/linux/virtio_pci.h +++ b/include/uapi/linux/virtio_pci.h @@ -94,6 +94,8 @@ #endif /* VIRTIO_PCI_NO_LEGACY */ +/* Ths 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
Michael S. Tsirkin
2023-Feb-03 10:16 UTC
[RFC PATCH 1/4] virtio_pci: add a definition of queue flag in ISR
On Fri, Feb 03, 2023 at 07:04:15PM +0900, Shunsuke Mie wrote:> 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> > Signed-off-by: Takanari Hayama <taki at igel.co.jp> > --- > include/uapi/linux/virtio_pci.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h > index f703afc7ad31..fa82afd6171a 100644 > --- a/include/uapi/linux/virtio_pci.h > +++ b/include/uapi/linux/virtio_pci.h > @@ -94,6 +94,8 @@ > > #endif /* VIRTIO_PCI_NO_LEGACY */ > > +/* Ths bit of the ISR which indicates a queue entry update */typo Something to add here: Note: only when MSI-X is disabled> +#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