linux-kernel - [PATCH RFC bpf-next v6 5/6] tools: sync include/uapi/linux/bpf.h

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Message-Id: <20240408-hid-bpf-sleepable-v6-5-0499ddd91b94@kernel.org>
Date: Mon, 08 Apr 2024 10:09:30 +0200
From: Benjamin Tissoires <bentiss@...nel.org>
To: Alexei Starovoitov <ast@...nel.org>, 
 Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, 
 Martin KaFai Lau <martin.lau@...ux.dev>, 
 Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>, 
 Yonghong Song <yonghong.song@...ux.dev>, 
 John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>, 
 Stanislav Fomichev <sdf@...gle.com>, Hao Luo <haoluo@...gle.com>, 
 Jiri Olsa <jolsa@...nel.org>, Mykola Lysenko <mykolal@...com>, 
 Shuah Khan <shuah@...nel.org>
Cc: Benjamin Tissoires <bentiss@...nel.org>, bpf@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: [PATCH RFC bpf-next v6 5/6] tools: sync include/uapi/linux/bpf.h

cp include/uapi/linux/bpf.h tools/include/uapi/linux/bpf.h

Signed-off-by: Benjamin Tissoires <bentiss@...nel.org>

---

updated in v6

no changes in v5

new in v4
---
 tools/include/uapi/linux/bpf.h | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index bf80b614c4db..f1890eed213a 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -1662,9 +1662,10 @@ union bpf_attr {
 	} query;
 
 	struct { /* anonymous struct used by BPF_RAW_TRACEPOINT_OPEN command */
-		__u64 name;
-		__u32 prog_fd;
-		__aligned_u64 cookie;
+		__u64		name;
+		__u32		prog_fd;
+		__u32		:32;
+		__aligned_u64	cookie;
 	} raw_tracepoint;
 
 	struct { /* anonymous struct for BPF_BTF_LOAD */
@@ -7468,6 +7469,19 @@ enum {
 	BPF_F_TIMER_CPU_PIN = (1ULL << 1),
 };
 
+/* Extra flags to control bpf_timer_init() behaviour, in addition to CLOCK_*.
+ *     - BPF_F_TIMER_SLEEPABLE: Timer will run in a workqueue in a sleepable
+ *       context, with no guarantees of ordering nor timing (consider this as
+ *       being just offloaded immediately).
+ */
+enum {
+	/* CLOCK_* are using bits 0 to 3 */
+	BPF_F_TIMER_SLEEPABLE = (1ULL << 4),
+	__MAX_BPF_F_TIMER_INIT,
+};
+
+#define MAX_BPF_F_TIMER_INIT __MAX_BPF_F_TIMER_INIT
+
 /* BPF numbers iterator state */
 struct bpf_iter_num {
 	/* opaque iterator state; having __u64 here allows to preserve correct

-- 
2.44.0