From nobody Sun Apr 12 07:41:00 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9FC83C19F2A for ; Sat, 30 Jul 2022 08:39:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232127AbiG3Ijv (ORCPT ); Sat, 30 Jul 2022 04:39:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55416 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230138AbiG3Ijt (ORCPT ); Sat, 30 Jul 2022 04:39:49 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71AB927B29; Sat, 30 Jul 2022 01:39:47 -0700 (PDT) Received: from dggpeml500024.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4LvyRm38hYzlW5b; Sat, 30 Jul 2022 16:37:08 +0800 (CST) Received: from dggpeml100012.china.huawei.com (7.185.36.121) by dggpeml500024.china.huawei.com (7.185.36.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Sat, 30 Jul 2022 16:39:45 +0800 Received: from huawei.com (10.67.165.24) by dggpeml100012.china.huawei.com (7.185.36.121) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Sat, 30 Jul 2022 16:39:45 +0800 From: Kai Ye To: , CC: , , , , Subject: [PATCH v6 2/3] Documentation: add a isolation strategy sysfs node for uacce Date: Sat, 30 Jul 2022 16:32:45 +0800 Message-ID: <20220730083246.55646-3-yekai13@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220730083246.55646-1-yekai13@huawei.com> References: <20220730083246.55646-1-yekai13@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpeml100012.china.huawei.com (7.185.36.121) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Update documentation describing sysfs node that could help to configure isolation strategy for users in the user space. And describing sysfs node that could read the device isolated state. Signed-off-by: Kai Ye --- Documentation/ABI/testing/sysfs-driver-uacce | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-driver-uacce b/Documentation/A= BI/testing/sysfs-driver-uacce index 08f2591138af..1601f9dac29c 100644 --- a/Documentation/ABI/testing/sysfs-driver-uacce +++ b/Documentation/ABI/testing/sysfs-driver-uacce @@ -19,6 +19,23 @@ Contact: linux-accelerators@lists.ozlabs.org Description: Available instances left of the device Return -ENODEV if uacce_ops get_available_instances is not= provided =20 +What: /sys/class/uacce//isolate_strategy +Date: Jul 2022 +KernelVersion: 5.20 +Contact: linux-accelerators@lists.ozlabs.org +Description: (RW) Configure the frequency size for the hardware error + isolation strategy. This size is a configured integer valu= e. + The default is 0. The maximum value is 65535. This value i= s a + threshold based on your driver handling strategy. + +What: /sys/class/uacce//isolate +Date: Jul 2022 +KernelVersion: 5.20 +Contact: linux-accelerators@lists.ozlabs.org +Description: (R) A sysfs node that read the device isolated state. The = value 1 + means the device is unavailable. The 0 means the device is + available. + What: /sys/class/uacce//algorithms Date: Feb 2020 KernelVersion: 5.7 --=20 2.33.0