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[v10,28/41] virtio_pci: update struct virtio_pci_common_cfg

Message ID 20220624025621.128843-29-xuanzhuo@linux.alibaba.com (mailing list archive)
State New, archived
Headers show
Series virtio pci support VIRTIO_F_RING_RESET | expand

Commit Message

Xuan Zhuo June 24, 2022, 2:56 a.m. UTC 
Add queue_reset in virtio_pci_common_cfg.

For not breaks uABI, add a new struct virtio_pci_common_cfg_reset.

 https://github.com/oasis-tcs/virtio-spec/issues/124
 https://github.com/oasis-tcs/virtio-spec/issues/139

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
---
 include/uapi/linux/virtio_pci.h | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h
index 22bec9bd0dfc..d9462efd6ce8 100644
--- a/include/uapi/linux/virtio_pci.h
+++ b/include/uapi/linux/virtio_pci.h
@@ -173,6 +173,13 @@  struct virtio_pci_common_cfg_notify {
 	__le16 padding;
 };
 
+struct virtio_pci_common_cfg_reset {
+	struct virtio_pci_common_cfg cfg;
+
+	__le16 queue_notify_data;	/* read-write */
+	__le16 queue_reset;		/* read-write */
+};
+
 /* Fields in VIRTIO_PCI_CAP_PCI_CFG: */
 struct virtio_pci_cfg_cap {
 	struct virtio_pci_cap cap;