Commit f79a62f4 authored by Namhyung Kim's avatar Namhyung Kim
Browse files

tools headers: Sync uapi/linux/vhost.h with the kernel source 



To pick up the changes in this cset:

  7d9896e9 vhost: Reintroduce kthread API and add mode selection
  333c515d vhost-net: allow configuring extended features

This addresses these perf build warnings:

  Warning: Kernel ABI header differences:
    diff -u tools/perf/trace/beauty/include/uapi/linux/vhost.h include/uapi/linux/vhost.h

Please see tools/include/uapi/README for further details.

Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: kvm@vger.kernel.org
Cc: virtualization@lists.linux.dev
Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
parent e7e79e99

tools/perf/trace/beauty/include/uapi/linux/vhost.h

+35 −0
Original line number Diff line number Diff line
@@ -235,4 +235,39 @@ 
 */

#define VHOST_VDPA_GET_VRING_SIZE	_IOWR(VHOST_VIRTIO, 0x82,	\

					      struct vhost_vring_state)



/* Extended features manipulation */

#define VHOST_GET_FEATURES_ARRAY _IOR(VHOST_VIRTIO, 0x83, \

				       struct vhost_features_array)

#define VHOST_SET_FEATURES_ARRAY _IOW(VHOST_VIRTIO, 0x83, \

				       struct vhost_features_array)



/* fork_owner values for vhost */

#define VHOST_FORK_OWNER_KTHREAD 0

#define VHOST_FORK_OWNER_TASK 1



/**

 * VHOST_SET_FORK_FROM_OWNER - Set the fork_owner flag for the vhost device,

 * This ioctl must called before VHOST_SET_OWNER.

 * Only available when CONFIG_VHOST_ENABLE_FORK_OWNER_CONTROL=y

 *

 * @param fork_owner: An 8-bit value that determines the vhost thread mode

 *

 * When fork_owner is set to VHOST_FORK_OWNER_TASK(default value):

 *   - Vhost will create vhost worker as tasks forked from the owner,

 *     inheriting all of the owner's attributes.

 *

 * When fork_owner is set to VHOST_FORK_OWNER_KTHREAD:

 *   - Vhost will create vhost workers as kernel threads.

 */

#define VHOST_SET_FORK_FROM_OWNER _IOW(VHOST_VIRTIO, 0x84, __u8)



/**

 * VHOST_GET_FORK_OWNER - Get the current fork_owner flag for the vhost device.

 * Only available when CONFIG_VHOST_ENABLE_FORK_OWNER_CONTROL=y

 *

 * @return: An 8-bit value indicating the current thread mode.

 */

#define VHOST_GET_FORK_FROM_OWNER _IOR(VHOST_VIRTIO, 0x85, __u8)



#endif