diff options
| author | Jason Wang <jasowang@redhat.com> | 2016-03-04 06:24:53 -0500 |
|---|---|---|
| committer | Alistair Strachan <astrachan@google.com> | 2019-05-14 17:56:53 -0700 |
| commit | a1fc433fea713a935ae82d8ae741bd8787af86de (patch) | |
| tree | 07cc9869f29e9db1197eb569d229385e75fd4602 /include/uapi/linux | |
| parent | 179cda3b96b1edc266daa8773938f64c6a0639e1 (diff) | |
UPSTREAM: vhost_net: basic polling support
This patch tries to poll for new added tx buffer or socket receive
queue for a while at the end of tx/rx processing. The maximum time
spent on polling were specified through a new kind of vring ioctl.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit 0308813724606549436d30efd877a80c8e00790e)
Bug: 121166534
Test: Ran cuttlefish with android-4.4 + VSOCKETS, VMWARE_VMCI_VSOCKETS
Signed-off-by: Alistair Strachan <astrachan@google.com>
Change-Id: I93db6c14e39b2db04e047ee2e0dce3af5436d95e
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/vhost.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h index ab3731917bac..61a8777178c6 100644 --- a/include/uapi/linux/vhost.h +++ b/include/uapi/linux/vhost.h @@ -126,6 +126,12 @@ struct vhost_memory { #define VHOST_SET_VRING_CALL _IOW(VHOST_VIRTIO, 0x21, struct vhost_vring_file) /* Set eventfd to signal an error */ #define VHOST_SET_VRING_ERR _IOW(VHOST_VIRTIO, 0x22, struct vhost_vring_file) +/* Set busy loop timeout (in us) */ +#define VHOST_SET_VRING_BUSYLOOP_TIMEOUT _IOW(VHOST_VIRTIO, 0x23, \ + struct vhost_vring_state) +/* Get busy loop timeout (in us) */ +#define VHOST_GET_VRING_BUSYLOOP_TIMEOUT _IOW(VHOST_VIRTIO, 0x24, \ + struct vhost_vring_state) /* VHOST_NET specific defines */ |