diff options
Diffstat (limited to 'drivers/vhost')
| -rw-r--r-- | drivers/vhost/vdpa.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index a51c69c078d9..5f046770c0a4 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -59,6 +59,7 @@ struct vhost_vdpa { int in_batch; struct vdpa_iova_range range; u32 batch_asid; + bool suspended; }; static DEFINE_IDA(vhost_vdpa_ida); @@ -232,6 +233,8 @@ static int _compat_vdpa_reset(struct vhost_vdpa *v) struct vdpa_device *vdpa = v->vdpa; u32 flags = 0; + v->suspended = false; + if (v->vdev.vqs) { flags |= !vhost_backend_has_feature(v->vdev.vqs[0], VHOST_BACKEND_F_IOTLB_PERSIST) ? @@ -590,11 +593,16 @@ static long vhost_vdpa_suspend(struct vhost_vdpa *v) { struct vdpa_device *vdpa = v->vdpa; const struct vdpa_config_ops *ops = vdpa->config; + int ret; if (!ops->suspend) return -EOPNOTSUPP; - return ops->suspend(vdpa); + ret = ops->suspend(vdpa); + if (!ret) + v->suspended = true; + + return ret; } /* After a successful return of this ioctl the device resumes processing @@ -605,11 +613,16 @@ static long vhost_vdpa_resume(struct vhost_vdpa *v) { struct vdpa_device *vdpa = v->vdpa; const struct vdpa_config_ops *ops = vdpa->config; + int ret; if (!ops->resume) return -EOPNOTSUPP; - return ops->resume(vdpa); + ret = ops->resume(vdpa); + if (!ret) + v->suspended = false; + + return ret; } static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd, |