| Message ID | 20220629065656.54420-25-xuanzhuo@linux.alibaba.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | virtio pci support VIRTIO_F_RING_RESET | expand |
在 2022/6/29 14:56, Xuan Zhuo 写道: > Add queue_notify_data in struct virtio_pci_common_cfg, which comes from > here https://github.com/oasis-tcs/virtio-spec/issues/89 > > Since I want to add queue_reset after queue_notify_data, I submitted > this patch first. > > Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> > Acked-by: Jason Wang <jasowang@redhat.com> > --- > include/linux/virtio_pci_modern.h | 2 ++ > include/uapi/linux/virtio_pci.h | 1 + > 2 files changed, 3 insertions(+) > > diff --git a/include/linux/virtio_pci_modern.h b/include/linux/virtio_pci_modern.h > index c4f7ffbacb4e..9f31dde46f57 100644 > --- a/include/linux/virtio_pci_modern.h > +++ b/include/linux/virtio_pci_modern.h > @@ -29,6 +29,8 @@ struct virtio_pci_common_cfg { > __le32 queue_avail_hi; /* read-write */ > __le32 queue_used_lo; /* read-write */ > __le32 queue_used_hi; /* read-write */ > + __le16 queue_notify_data; /* read-write */ > + __le16 padding; > }; As previous patch, I think it's better to simple embed the uAPI structure here. Thanks > > struct virtio_pci_modern_device { > diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h > index 247ec42af2c8..748b3eb62d2f 100644 > --- a/include/uapi/linux/virtio_pci.h > +++ b/include/uapi/linux/virtio_pci.h > @@ -176,6 +176,7 @@ struct virtio_pci_cfg_cap { > #define VIRTIO_PCI_COMMON_Q_AVAILHI 44 > #define VIRTIO_PCI_COMMON_Q_USEDLO 48 > #define VIRTIO_PCI_COMMON_Q_USEDHI 52 > +#define VIRTIO_PCI_COMMON_Q_NDATA 56 > > #endif /* VIRTIO_PCI_NO_MODERN */ >
diff --git a/include/linux/virtio_pci_modern.h b/include/linux/virtio_pci_modern.h index c4f7ffbacb4e..9f31dde46f57 100644 --- a/include/linux/virtio_pci_modern.h +++ b/include/linux/virtio_pci_modern.h @@ -29,6 +29,8 @@ struct virtio_pci_common_cfg { __le32 queue_avail_hi; /* read-write */ __le32 queue_used_lo; /* read-write */ __le32 queue_used_hi; /* read-write */ + __le16 queue_notify_data; /* read-write */ + __le16 padding; }; struct virtio_pci_modern_device { diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h index 247ec42af2c8..748b3eb62d2f 100644 --- a/include/uapi/linux/virtio_pci.h +++ b/include/uapi/linux/virtio_pci.h @@ -176,6 +176,7 @@ struct virtio_pci_cfg_cap { #define VIRTIO_PCI_COMMON_Q_AVAILHI 44 #define VIRTIO_PCI_COMMON_Q_USEDLO 48 #define VIRTIO_PCI_COMMON_Q_USEDHI 52 +#define VIRTIO_PCI_COMMON_Q_NDATA 56 #endif /* VIRTIO_PCI_NO_MODERN */