diff options
| author |   Max Gurtovoy <maxg@mellanox.com> | 2020-08-04 19:20:42 +0300 |
|---|---|---|
| committer |   Michael S. Tsirkin <mst@redhat.com> | 2020-08-05 18:39:18 -0400 |
| commit | a9974489b61c09c702c85c6cba3d1a3fd1be7a15 (patch) | |
| tree | a05beae6faf4eefaec70b2bf0311d9ae085794a5 /drivers/vhost | |
| parent | vdpasim: support batch updating (diff) | |
| download | wireguard-linux-a9974489b61c09c702c85c6cba3d1a3fd1be7a15.tar.xz wireguard-linux-a9974489b61c09c702c85c6cba3d1a3fd1be7a15.zip | |
vdpa: remove hard coded virtq num
This will enable vdpa providers to add support for multi queue feature
and publish it to upper layers (vhost and virtio).
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200804162048.22587-7-eli@mellanox.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vhost')
| -rw-r--r-- | drivers/vhost/vdpa.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index e80db051845d..2d8c950ad3a8 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -32,9 +32,6 @@ enum { (1ULL << VHOST_BACKEND_F_IOTLB_BATCH), }; -/* Currently, only network backend w/o multiqueue is supported. */ -#define VHOST_VDPA_VQ_MAX 2 - #define VHOST_VDPA_DEV_MAX (1U << MINORBITS) struct vhost_vdpa { @@ -930,7 +927,7 @@ static int vhost_vdpa_probe(struct vdpa_device *vdpa) { const struct vdpa_config_ops *ops = vdpa->config; struct vhost_vdpa *v; - int minor, nvqs = VHOST_VDPA_VQ_MAX; + int minor; int r; /* Currently, we only accept the network devices. */ @@ -951,14 +948,14 @@ static int vhost_vdpa_probe(struct vdpa_device *vdpa) atomic_set(&v->opened, 0); v->minor = minor; v->vdpa = vdpa; - v->nvqs = nvqs; + v->nvqs = vdpa->nvqs; v->virtio_id = ops->get_device_id(vdpa); device_initialize(&v->dev); v->dev.release = vhost_vdpa_release_dev; v->dev.parent = &vdpa->dev; v->dev.devt = MKDEV(MAJOR(vhost_vdpa_major), minor); - v->vqs = kmalloc_array(nvqs, sizeof(struct vhost_virtqueue), + v->vqs = kmalloc_array(v->nvqs, sizeof(struct vhost_virtqueue), GFP_KERNEL); if (!v->vqs) { r = -ENOMEM; |