git/linux-net
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/ synced 2026-04-17 22:23:45 -04:00
Code Issues Packages Projects Releases Wiki Activity

vdpa: Add set/get_vq_affinity callbacks in vdpa_config_ops

Browse Source 
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>
This commit is contained in:
Xie Yongji
2023-03-23 13:30:34 +08:00
committed by Michael S. Tsirkin
parent aaf0594829
commit 1d24692732
2 changed files with 41 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
include/linux/vdpa.h
View File

@@ -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,