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vduse: implement vdpa_config_ops.get_vq_size for vduse

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This commit implements get_vq_size for vdpa_config_ops. This
new interface is used to report per vq size.

Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Message-Id: <20240202163905.8834-8-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Zhu Lingshan 2024-02-03 00:39:02 +08:00 committed by Michael S. Tsirkin
parent f6fa2f7ea0
commit 47e62e6d62
1 changed files with 12 additions and 0 deletions
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12
drivers/vdpa/vdpa_user/vduse_dev.c
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@ -541,6 +541,17 @@ static void vduse_vdpa_set_vq_num(struct vdpa_device *vdpa, u16 idx, u32 num)
vq->num = num;
}
static u16 vduse_vdpa_get_vq_size(struct vdpa_device *vdpa, u16 idx)
{
struct vduse_dev *dev = vdpa_to_vduse(vdpa);
struct vduse_virtqueue *vq = dev->vqs[idx];
if (vq->num)
return vq->num;
else
return vq->num_max;
}
static void vduse_vdpa_set_vq_ready(struct vdpa_device *vdpa,
u16 idx, bool ready)
{
@ -773,6 +784,7 @@ static const struct vdpa_config_ops vduse_vdpa_config_ops = {
.kick_vq = vduse_vdpa_kick_vq,
.set_vq_cb = vduse_vdpa_set_vq_cb,
.set_vq_num = vduse_vdpa_set_vq_num,
.get_vq_size = vduse_vdpa_get_vq_size,
.set_vq_ready = vduse_vdpa_set_vq_ready,
.get_vq_ready = vduse_vdpa_get_vq_ready,
.set_vq_state = vduse_vdpa_set_vq_state,