diff options
| author | Xie Yongji <xieyongji@bytedance.com> | 2023-03-23 08:30:34 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-04-21 10:02:31 +0300 |
| commit | 1d24692732fb299c94b0dcc032b48ac8fa85c854 (patch) | |
| tree | a63c503a3ebd6894904ae6ece4794ad95b716df1 /include/linux/vdpa.h | |
| parent | aaf0594829c3a6f16bdf5d30904a7db4548dae15 (diff) | |
| download | linux-1d24692732fb299c94b0dcc032b48ac8fa85c854.tar.xz | |
vdpa: Add set/get_vq_affinity callbacks in vdpa_config_ops
This introduces set/get_vq_affinity callbacks in
vdpa_config_ops to support virtqueue affinity
management for vdpa device drivers.
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230323053043.35-3-xieyongji@bytedance.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/linux/vdpa.h')
| -rw-r--r-- | include/linux/vdpa.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index 43f59ef10cc9..2313db735773 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -250,6 +250,15 @@ struct vdpa_map_file { * @vdev: vdpa device * Returns the iova range supported by * the device. + * @set_vq_affinity: Set the affinity of virtqueue (optional) + * @vdev: vdpa device + * @idx: virtqueue index + * @cpu_mask: the affinity mask + * Returns integer: success (0) or error (< 0) + * @get_vq_affinity: Get the affinity of virtqueue (optional) + * @vdev: vdpa device + * @idx: virtqueue index + * Returns the affinity mask * @set_group_asid: Set address space identifier for a * virtqueue group (optional) * @vdev: vdpa device @@ -340,6 +349,10 @@ struct vdpa_config_ops { const void *buf, unsigned int len); u32 (*get_generation)(struct vdpa_device *vdev); struct vdpa_iova_range (*get_iova_range)(struct vdpa_device *vdev); + int (*set_vq_affinity)(struct vdpa_device *vdev, u16 idx, + const struct cpumask *cpu_mask); + const struct cpumask *(*get_vq_affinity)(struct vdpa_device *vdev, + u16 idx); /* DMA ops */ int (*set_map)(struct vdpa_device *vdev, unsigned int asid, |