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From: Namhyung Kim <namhyung@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Ian Rogers <irogers@google.com>, Jiri Olsa <jolsa@kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-perf-users@vger.kernel.org,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Jason Wang <jasowang@redhat.com>,
	kvm@vger.kernel.org, virtualization@lists.linux.dev
Subject: [PATCH 11/11] tools headers: Sync uapi/linux/vhost.h with the kernel source
Date: Mon, 25 Aug 2025 14:59:03 -0700	[thread overview]
Message-ID: <20250825215904.2594216-12-namhyung@kernel.org> (raw)
In-Reply-To: <20250825215904.2594216-1-namhyung@kernel.org>

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>
---
* This is on top of the fix below:
  https://lore.kernel.org/r/20250819063958.833770-1-namhyung@kernel.org

 .../trace/beauty/include/uapi/linux/vhost.h   | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/tools/perf/trace/beauty/include/uapi/linux/vhost.h b/tools/perf/trace/beauty/include/uapi/linux/vhost.h
index d4b3e2ae1314d1fc..c57674a6aa0dbbea 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
-- 
2.51.0.261.g7ce5a0a67e-goog


  parent reply	other threads:[~2025-08-25 21:59 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-25 21:58 [PATCH 00/11] perf tools: Sync kernel and tools headers for v6.17 Namhyung Kim
2025-08-25 21:58 ` [PATCH 01/11] tools headers: Sync KVM headers with the kernel source Namhyung Kim
2025-08-25 21:58 ` [PATCH 02/11] tools headers: Sync linux/bits.h " Namhyung Kim
2025-08-27  1:29   ` Yury Norov
2025-08-25 21:58 ` [PATCH 03/11] tools headers: Sync linux/cfi_types.h " Namhyung Kim
2025-08-25 21:58 ` [PATCH 04/11] tools headers: Sync x86 headers " Namhyung Kim
2025-08-25 21:58 ` [PATCH 05/11] tools headers: Sync arm64 " Namhyung Kim
2025-08-27  8:12   ` Leo Yan
2025-08-27 17:28     ` Namhyung Kim
2025-08-25 21:58 ` [PATCH 06/11] tools headers: Sync powerpc " Namhyung Kim
2025-08-26  4:01   ` Madhavan Srinivasan
2025-08-25 21:58 ` [PATCH 07/11] tools headers: Sync syscall tables " Namhyung Kim
2025-08-25 21:59 ` [PATCH 08/11] tools headers: Sync uapi/linux/fcntl.h " Namhyung Kim
2025-08-25 21:59 ` [PATCH 09/11] tools headers: Sync uapi/linux/fs.h " Namhyung Kim
2025-08-25 21:59 ` [PATCH 10/11] tools headers: Sync uapi/linux/prctl.h " Namhyung Kim
2025-08-25 21:59 ` Namhyung Kim [this message]
2025-08-26  7:38   ` [PATCH 11/11] tools headers: Sync uapi/linux/vhost.h " Michael S. Tsirkin

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