Commit ea024594 authored by Xuan Zhuo's avatar Xuan Zhuo Committed by Michael S. Tsirkin
Browse files

virtio_pci: struct virtio_pci_common_cfg add queue_notify_data 

Add queue_notify_data in struct virtio_pci_common_cfg, which comes from
here https://github.com/oasis-tcs/virtio-spec/issues/89



In order not to affect the API, add a dedicated structure struct
virtio_pci_modern_common_cfg to virtio_pci_modern.h.

Since I want to add queue_reset after queue_notify_data, I submitted
this patch first.

Signed-off-by: default avatarXuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: default avatarJason Wang <jasowang@redhat.com>
Message-Id: <20220801063902.129329-26-xuanzhuo@linux.alibaba.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent c790e8e1

include/linux/virtio_pci_modern.h

+7 −0
Original line number Diff line number Diff line
@@ -5,6 +5,13 @@ 
#include <linux/pci.h>

#include <linux/virtio_pci.h>



struct virtio_pci_modern_common_cfg {

	struct virtio_pci_common_cfg cfg;



	__le16 queue_notify_data;	/* read-write */

	__le16 padding;

};



struct virtio_pci_modern_device {

	struct pci_dev *pci_dev;

include/uapi/linux/virtio_pci.h

+1 −0
Original line number Diff line number Diff line
@@ -202,6 +202,7 @@ 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 */