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authorXie Yongji <xieyongji@bytedance.com>2023-03-23 06:30:38 +0100
committerMichael S. Tsirkin <mst@redhat.com>2023-04-21 09:02:32 +0200
commitbfae1648ec2159da0a14d71a7d75b810f728a1e6 (patch)
tree92367ff1c8f6bdc20fe45ae942d9fac5751c1849 /drivers/vdpa
parentvduse: Support set_vq_affinity callback (diff)
downloadlinux-bfae1648ec2159da0a14d71a7d75b810f728a1e6.tar.xz
linux-bfae1648ec2159da0a14d71a7d75b810f728a1e6.zip
vduse: Support get_vq_affinity callback
This implements get_vq_affinity callback so that the virtio-blk driver can build the blk-mq queues based on the irq callback affinity. Signed-off-by: Xie Yongji <xieyongji@bytedance.com> Message-Id: <20230323053043.35-7-xieyongji@bytedance.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'drivers/vdpa')
-rw-r--r--drivers/vdpa/vdpa_user/vduse_dev.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c
index 45aa8703c4b5..cefabd0dab9c 100644
--- a/drivers/vdpa/vdpa_user/vduse_dev.c
+++ b/drivers/vdpa/vdpa_user/vduse_dev.c
@@ -722,6 +722,14 @@ static int vduse_vdpa_set_vq_affinity(struct vdpa_device *vdpa, u16 idx,
return 0;
}
+static const struct cpumask *
+vduse_vdpa_get_vq_affinity(struct vdpa_device *vdpa, u16 idx)
+{
+ struct vduse_dev *dev = vdpa_to_vduse(vdpa);
+
+ return &dev->vqs[idx]->irq_affinity;
+}
+
static int vduse_vdpa_set_map(struct vdpa_device *vdpa,
unsigned int asid,
struct vhost_iotlb *iotlb)
@@ -773,6 +781,7 @@ static const struct vdpa_config_ops vduse_vdpa_config_ops = {
.set_config = vduse_vdpa_set_config,
.get_generation = vduse_vdpa_get_generation,
.set_vq_affinity = vduse_vdpa_set_vq_affinity,
+ .get_vq_affinity = vduse_vdpa_get_vq_affinity,
.reset = vduse_vdpa_reset,
.set_map = vduse_vdpa_set_map,
.free = vduse_vdpa_free,