linux-kernel - [PATCH v2 2/4] counter: add direction change event

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250110-counter-ti-eqep-add-direction-support-v2-2-c6b6f96d2db9@baylibre.com>
Date: Fri, 10 Jan 2025 18:22:05 -0600
From: David Lechner <dlechner@...libre.com>
To: William Breathitt Gray <wbg@...nel.org>, 
 Fabrice Gasnier <fabrice.gasnier@...s.st.com>
Cc: Judith Mendez <jm@...com>, linux-iio@...r.kernel.org, 
 linux-kernel@...r.kernel.org, David Lechner <dlechner@...libre.com>
Subject: [PATCH v2 2/4] counter: add direction change event

Add COUNTER_EVENT_DIRECTION_CHANGE to be used by drivers to emit events
when a counter detects a change in direction.

Signed-off-by: David Lechner <dlechner@...libre.com>
---
 include/uapi/linux/counter.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/uapi/linux/counter.h b/include/uapi/linux/counter.h
index 008a691c254bdb49b9c922d7591e755e82b38a84..350b45d616bb102c16f8b60e9039272db20d1be9 100644
--- a/include/uapi/linux/counter.h
+++ b/include/uapi/linux/counter.h
@@ -65,6 +65,8 @@ enum counter_event_type {
 	COUNTER_EVENT_CHANGE_OF_STATE,
 	/* Count value captured */
 	COUNTER_EVENT_CAPTURE,
+	/* Direction change detected */
+	COUNTER_EVENT_DIRECTION_CHANGE,
 };
 
 /**

-- 
2.43.0