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authorRodrigo Vivi <rodrigo.vivi@intel.com>2024-04-02 08:17:13 -0400
committerRodrigo Vivi <rodrigo.vivi@intel.com>2024-04-02 08:17:13 -0400
commit5add703f6acad1c63f8a532b6de56e50d548e904 (patch)
treebe39a82716119cd8b7cf7e2734baf8cd9a80ceb7 /drivers/vhost/vdpa.c
parent71cdfa8cad300caa7afcbba09776bbc8dcfa9e39 (diff)
parent39cd87c4eb2b893354f3b850f916353f2658ae6f (diff)
Merge drm/drm-next into drm-intel-next
Catching up on 6.9-rc2 Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/vhost/vdpa.c')
-rw-r--r--drivers/vhost/vdpa.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index bc4a51e4638b..ba52d128aeb7 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -595,6 +595,9 @@ static long vhost_vdpa_suspend(struct vhost_vdpa *v)
const struct vdpa_config_ops *ops = vdpa->config;
int ret;
+ if (!(ops->get_status(vdpa) & VIRTIO_CONFIG_S_DRIVER_OK))
+ return 0;
+
if (!ops->suspend)
return -EOPNOTSUPP;
@@ -615,6 +618,9 @@ static long vhost_vdpa_resume(struct vhost_vdpa *v)
const struct vdpa_config_ops *ops = vdpa->config;
int ret;
+ if (!(ops->get_status(vdpa) & VIRTIO_CONFIG_S_DRIVER_OK))
+ return 0;
+
if (!ops->resume)
return -EOPNOTSUPP;
@@ -681,6 +687,14 @@ static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd,
if (!ops->set_group_asid)
return -EOPNOTSUPP;
return ops->set_group_asid(vdpa, idx, s.num);
+ case VHOST_VDPA_GET_VRING_SIZE:
+ if (!ops->get_vq_size)
+ return -EOPNOTSUPP;
+ s.index = idx;
+ s.num = ops->get_vq_size(vdpa, idx);
+ if (copy_to_user(argp, &s, sizeof(s)))
+ return -EFAULT;
+ return 0;
case VHOST_GET_VRING_BASE:
r = ops->get_vq_state(v->vdpa, idx, &vq_state);
if (r)