diff options
Diffstat (limited to 'tools/include/uapi/linux/vhost.h')
| -rw-r--r-- | tools/include/uapi/linux/vhost.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/vhost.h b/tools/include/uapi/linux/vhost.h index cab645d4a645..f9f115a7c75b 100644 --- a/tools/include/uapi/linux/vhost.h +++ b/tools/include/uapi/linux/vhost.h @@ -171,4 +171,13 @@ #define VHOST_VDPA_SET_GROUP_ASID _IOW(VHOST_VIRTIO, 0x7C, \ struct vhost_vring_state) +/* Suspend a device so it does not process virtqueue requests anymore + * + * After the return of ioctl the device must preserve all the necessary state + * (the virtqueue vring base plus the possible device specific states) that is + * required for restoring in the future. The device must not change its + * configuration after that point. + */ +#define VHOST_VDPA_SUSPEND _IO(VHOST_VIRTIO, 0x7D) + #endif |