Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965212AbeAJNyG (ORCPT + 1 other); Wed, 10 Jan 2018 08:54:06 -0500 Received: from rnd-relay.smtp.broadcom.com ([192.19.229.170]:45824 "EHLO rnd-relay.smtp.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964999AbeAJNyD (ORCPT ); Wed, 10 Jan 2018 08:54:03 -0500 From: Arend van Spriel To: Greg Koah Hartmann Cc: LKML , Arend van Spriel Subject: [PATCH V2 1/3] sysfs: add attribute specification for /sysfs/devices/.../coredump Date: Wed, 10 Jan 2018 14:53:47 +0100 Message-Id: <1515592429-17420-2-git-send-email-aspriel@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1515592429-17420-1-git-send-email-aspriel@gmail.com> References: <1515592429-17420-1-git-send-email-aspriel@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: This patch adds the specification for /sysfs/devices/.../coredump which allows user-space to trigger a device coredump obtaining binary data from the device for (fault) analysis. It relies on CONFIG_DEV_COREDUMP being enabled. Signed-off-by: Arend van Spriel --- Documentation/ABI/testing/sysfs-devices-coredump | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-devices-coredump diff --git a/Documentation/ABI/testing/sysfs-devices-coredump b/Documentation/ABI/testing/sysfs-devices-coredump new file mode 100644 index 0000000..5989255 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-devices-coredump @@ -0,0 +1,10 @@ +What: /sys/devices/.../coredump +Date: December 2017 +Contact: Arend van Spriel +Description: + The /sys/devices/.../coredump attribute is only present when the + device is bound to a driver, which provides the .coredump() + callback. The attribute is write only. Anything written to this + file will trigger the .coredump() callback. + + Available when CONFIG_DEV_COREDUMP is enabled. -- 1.9.1