[PATCH v6 01/26] virtio_pci: struct virtio_pci_common_cfg add queue_notify_data
From: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Date: 2022-02-24 08:11:14
Also in:
bpf, kvm, linux-remoteproc, linux-s390, linux-um, platform-driver-x86, virtualization
Subsystem:
the rest, virtio core · Maintainers:
Linus Torvalds, "Michael S. Tsirkin", Jason Wang
Add queue_notify_data in struct virtio_pci_common_cfg, which comes from here https://github.com/oasis-tcs/virtio-spec/issues/89 For not breaks uABI, add a new struct virtio_pci_common_cfg_notify. 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> --- include/uapi/linux/virtio_pci.h | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h
index 3a86f36d7e3d..22bec9bd0dfc 100644
--- a/include/uapi/linux/virtio_pci.h
+++ b/include/uapi/linux/virtio_pci.h@@ -166,6 +166,13 @@ struct virtio_pci_common_cfg { __le32 queue_used_hi; /* read-write */ }; +struct virtio_pci_common_cfg_notify { + struct virtio_pci_common_cfg cfg; + + __le16 queue_notify_data; /* read-write */ + __le16 padding; +}; + /* Fields in VIRTIO_PCI_CAP_PCI_CFG: */ struct virtio_pci_cfg_cap { struct virtio_pci_cap cap;
--
2.31.0