linux-kernel - [PATCH v1 3/4] media: rc bpf: move ir_raw

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Message-Id: <6ecdbd01b8c42c8784f2235c1e5109dac3dd86a5.1526331777.git.sean@mess.org>
Date:   Mon, 14 May 2018 22:11:00 +0100
From:   Sean Young <sean@...s.org>
To:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Alexei Starovoitov <ast@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org,
        Matthias Reichl <hias@...us.com>,
        Devin Heitmueller <dheitmueller@...nellabs.com>
Subject: [PATCH v1 3/4] media: rc bpf: move ir_raw_event to uapi

The context provided to a BPF_PROG_RAWIR_DECODER is a struct ir_raw_event;
ensure user space has a a definition.

Signed-off-by: Sean Young <sean@...s.org>
---
 include/media/rc-core.h        | 19 +------------------
 include/uapi/linux/bpf_rcdev.h | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+), 18 deletions(-)
 create mode 100644 include/uapi/linux/bpf_rcdev.h

diff --git a/include/media/rc-core.h b/include/media/rc-core.h
index 6742fd86ff65..5d31e31d8ade 100644
--- a/include/media/rc-core.h
+++ b/include/media/rc-core.h
@@ -21,6 +21,7 @@
 #include <linux/kfifo.h>
 #include <linux/time.h>
 #include <linux/timer.h>
+#include <uapi/linux/bpf_rcdev.h>
 #include <media/rc-map.h>
 
 /**
@@ -299,24 +300,6 @@ void rc_keydown_notimeout(struct rc_dev *dev, enum rc_proto protocol,
 void rc_keyup(struct rc_dev *dev);
 u32 rc_g_keycode_from_table(struct rc_dev *dev, u32 scancode);
 
-/*
- * From rc-raw.c
- * The Raw interface is specific to InfraRed. It may be a good idea to
- * split it later into a separate header.
- */
-struct ir_raw_event {
-	union {
-		u32             duration;
-		u32             carrier;
-	};
-	u8                      duty_cycle;
-
-	unsigned                pulse:1;
-	unsigned                reset:1;
-	unsigned                timeout:1;
-	unsigned                carrier_report:1;
-};
-
 #define DEFINE_IR_RAW_EVENT(event) struct ir_raw_event event = {}
 
 static inline void init_ir_raw_event(struct ir_raw_event *ev)
diff --git a/include/uapi/linux/bpf_rcdev.h b/include/uapi/linux/bpf_rcdev.h
new file mode 100644
index 000000000000..d8629ff2b960
--- /dev/null
+++ b/include/uapi/linux/bpf_rcdev.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* Copyright (c) 2018 Sean Young <sean@...s.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ */
+#ifndef _UAPI__LINUX_BPF_RCDEV_H__
+#define _UAPI__LINUX_BPF_RCDEV_H__
+
+struct ir_raw_event {
+	union {
+		__u32           duration;
+		__u32           carrier;
+	};
+	__u8                    duty_cycle;
+
+	unsigned                pulse:1;
+	unsigned                reset:1;
+	unsigned                timeout:1;
+	unsigned                carrier_report:1;
+};
+
+#endif /* _UAPI__LINUX_BPF_RCDEV_H__ */
-- 
2.17.0