Displaying 5 results from an estimated 5 matches for "vhost_vdpa_resume".
2023 Mar 21
1
[PATCH v3 2/8] vhost-vdpa: use bind_mm/unbind_mm device callbacks
...+
+ if (!vdpa->use_va || !ops->unbind_mm)
+ return;
+
+ ops->unbind_mm(vdpa);
+}
+
static long vhost_vdpa_get_device_id(struct vhost_vdpa *v, u8 __user *argp)
{
struct vdpa_device *vdpa = v->vdpa;
@@ -709,6 +731,14 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep,
case VHOST_VDPA_RESUME:
r = vhost_vdpa_resume(v);
break;
+ case VHOST_SET_OWNER:
+ r = vhost_dev_set_owner(d);
+ if (r)
+ break;
+ r = vhost_vdpa_bind_mm(v);
+ if (r)
+ vhost_dev_reset_owner(d, NULL);
+ break;
default:
r = vhost_dev_ioctl(&v->vdev, cmd, argp);
if (r == -ENOIOCTLCMD)
@@ -1287...
2023 Mar 23
1
[PATCH v3 2/8] vhost-vdpa: use bind_mm/unbind_mm device callbacks
...+
> + ops->unbind_mm(vdpa);
> +}
> +
> static long vhost_vdpa_get_device_id(struct vhost_vdpa *v, u8 __user *argp)
> {
> struct vdpa_device *vdpa = v->vdpa;
> @@ -709,6 +731,14 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep,
> case VHOST_VDPA_RESUME:
> r = vhost_vdpa_resume(v);
> break;
> + case VHOST_SET_OWNER:
> + r = vhost_dev_set_owner(d);
Nit:
I'd stick to the current way of passing the cmd, argp to
vhost_dev_ioctl() and introduce a new switch after the
vhost_dev_ioctl(...
2023 Sep 09
0
[PATCH RFC v2 3/3] vhost-vdpa: uAPI to get dedicated descriptor group id
...case VHOST_VDPA_SET_GROUP_ASID:
if (copy_from_user(&s, argp, sizeof(s)))
return -EFAULT;
diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h
index f5c48b6..649560c 100644
--- a/include/uapi/linux/vhost.h
+++ b/include/uapi/linux/vhost.h
@@ -219,4 +219,12 @@
*/
#define VHOST_VDPA_RESUME _IO(VHOST_VIRTIO, 0x7E)
+/* Get the group for the descriptor table including driver & device areas
+ * of a virtqueue: read index, write group in num.
+ * The virtqueue index is stored in the index field of vhost_vring_state.
+ * The group ID of the descriptor table for this specific virtque...
2023 Mar 21
5
[PATCH v3 0/8] vdpa_sim: add support for user VA
This series adds support for the use of user virtual addresses in the
vDPA simulator devices.
The main reason for this change is to lift the pinning of all guest memory.
Especially with virtio devices implemented in software.
The next step would be to generalize the code in vdpa-sim to allow the
implementation of in-kernel software devices. Similar to vhost, but using vDPA
so we can reuse the
2023 Sep 09
4
[PATCH RFC v2 0/3] vdpa: dedicated descriptor table group
Following patchset introduces dedicated group for descriptor table to
reduce live migration downtime when passthrough VQ is being switched
to shadow VQ. This RFC v2 is sent to incorporate the early feedback
from reviewers on the uAPI and driver API part of changes, the
associated driver patch set consuming ths API will come around
soon along with formal submission of this series.
Some initial