diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2025-08-18 10:32:18 -0700 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2025-08-18 13:49:26 -0700 |
| commit | f79a62f4b3c750759e60a402e8fe5180fc5771f0 (patch) | |
| tree | 640df1e045c75472dbe90a1b7dc08fa928e855e0 | |
| parent | e7e79e99726190a5a83d158576cd448896d68102 (diff) | |
tools headers: Sync uapi/linux/vhost.h with the kernel source
To pick up the changes in this cset:
7d9896e9f6d02d8a vhost: Reintroduce kthread API and add mode selection
333c515d189657c9 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>
| -rw-r--r-- | tools/perf/trace/beauty/include/uapi/linux/vhost.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/include/uapi/linux/vhost.h b/tools/perf/trace/beauty/include/uapi/linux/vhost.h index d4b3e2ae1314..c57674a6aa0d 100644 --- a/tools/perf/trace/beauty/include/uapi/linux/vhost.h +++ b/tools/perf/trace/beauty/include/uapi/linux/vhost.h @@ -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 |