public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-09-18 22:14:16 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

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

Browse source 
To pick up the changes in this cset:

  7d9896e9f6 vhost: Reintroduce kthread API and add mode selection
  333c515d18 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: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Namhyung Kim 2025-08-18 10:32:18 -07:00
parent e7e79e9972
commit f79a62f4b3
1 changed files with 35 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

35
tools/perf/trace/beauty/include/uapi/linux/vhost.h
View file

@ -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