diff options
| author |   Zhu Lingshan <lingshan.zhu@intel.com> | 2024-02-03 00:38:57 +0800 |
|---|---|---|
| committer |   Michael S. Tsirkin <mst@redhat.com> | 2024-03-19 02:45:50 -0400 |
| commit | 0a926fc972532788719fd03c4a44724ec23c1875 (patch) | |
| tree | 32806022811e5268671aba991e87a92e532a32b7 /include/linux/vdpa.h | |
| parent | vhost-vdpa: uapi to support reporting per vq size (diff) | |
| download | wireguard-linux-0a926fc972532788719fd03c4a44724ec23c1875.tar.xz wireguard-linux-0a926fc972532788719fd03c4a44724ec23c1875.zip | |
vDPA: introduce get_vq_size to vdpa_config_ops
This commit introduces a new interface get_vq_size to
vDPA config ops, this new interface intends to report
the size of a specific virtqueue
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Message-Id: <20240202163905.8834-3-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | include/linux/vdpa.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index db15ac07f8a6..4097e8e92860 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -195,6 +195,10 @@ struct vdpa_map_file { * @idx: virtqueue index * Returns int: irq number of a virtqueue, * negative number if no irq assigned. + * @get_vq_size: Get the size of a specific virtqueue (optional) + * @vdev: vdpa device + * @idx: virtqueue index + * Return u16: the size of the virtqueue * @get_vq_align: Get the virtqueue align requirement * for the device * @vdev: vdpa device @@ -386,6 +390,7 @@ struct vdpa_config_ops { (*get_vq_notification)(struct vdpa_device *vdev, u16 idx); /* vq irq is not expected to be changed once DRIVER_OK is set */ int (*get_vq_irq)(struct vdpa_device *vdev, u16 idx); + u16 (*get_vq_size)(struct vdpa_device *vdev, u16 idx); /* Device ops */ u32 (*get_vq_align)(struct vdpa_device *vdev); |