From mboxrd@z Thu Jan 1 00:00:00 1970 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 16FCCD1A45F for ; Mon, 14 Oct 2024 15:05:32 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A096B6B0085; Mon, 14 Oct 2024 11:05:31 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9B7FB6B0089; Mon, 14 Oct 2024 11:05:31 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 87FA06B008C; Mon, 14 Oct 2024 11:05:31 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 6A8FA6B0085 for ; Mon, 14 Oct 2024 11:05:31 -0400 (EDT) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 1F10A1A0FB7 for ; Mon, 14 Oct 2024 15:05:17 +0000 (UTC) X-FDA: 82672531452.23.78CCE51 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by imf27.hostedemail.com (Postfix) with ESMTP id A5BDE40005 for ; Mon, 14 Oct 2024 15:05:22 +0000 (UTC) Authentication-Results: imf27.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf27.hostedemail.com: domain of jonathan.cameron@huawei.com designates 185.176.79.56 as permitted sender) smtp.mailfrom=jonathan.cameron@huawei.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1728918213; a=rsa-sha256; cv=none; b=yxDBei0NaayY+BwCGraGEpwFP8UrQANWbxq0fZ5Oq+BHuy2fUGyTySJtnIVDumSpdbBh0Q aUCQBA2W2bosu1MajloiSNe8JpWQfOmyfwxdUIjiLQNV4In6UWV4QkiExarvwa/akVqWSC n41MM3XMGOgZiEn9WIrYm5CX77msLW0= ARC-Authentication-Results: i=1; imf27.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf27.hostedemail.com: domain of jonathan.cameron@huawei.com designates 185.176.79.56 as permitted sender) smtp.mailfrom=jonathan.cameron@huawei.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1728918213; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=720BwJ2h+1BUDDG0ORgQv8mzN7kiGYQW/EPH4demDTc=; b=xgdP3eBppUXotlp56SIpZhGCG03t7Qn5e3rBR7/EOYrDf4Z72tDuLncxvytbqFdhDVJVyv OXNRdIwPlnZ5+ZOFKShY+bntOnAaWoVQB3EuO2C1BAGkFcME18wTdAUIwPW0pyc+lx88I+ zjW4kOQMDE0TYSXeMHEZRj66J5Yclgo= Received: from mail.maildlp.com (unknown [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4XS0mB6X2qz6L6XG; Mon, 14 Oct 2024 23:00:58 +0800 (CST) Received: from frapeml500008.china.huawei.com (unknown [7.182.85.71]) by mail.maildlp.com (Postfix) with ESMTPS id 323FD1400CA; Mon, 14 Oct 2024 23:05:26 +0800 (CST) Received: from localhost (10.203.177.66) by frapeml500008.china.huawei.com (7.182.85.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Mon, 14 Oct 2024 17:05:24 +0200 Date: Mon, 14 Oct 2024 16:05:23 +0100 From: Jonathan Cameron To: CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v13 07/18] cxl: Add Get Supported Features command for kernel usage Message-ID: <20241014160523.00007897@Huawei.com> In-Reply-To: <20241009124120.1124-8-shiju.jose@huawei.com> References: <20241009124120.1124-1-shiju.jose@huawei.com> <20241009124120.1124-8-shiju.jose@huawei.com> Organization: Huawei Technologies Research and Development (UK) Ltd. X-Mailer: Claws Mail 4.1.0 (GTK 3.24.33; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.203.177.66] X-ClientProxiedBy: lhrpeml500005.china.huawei.com (7.191.163.240) To frapeml500008.china.huawei.com (7.182.85.71) X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: A5BDE40005 X-Stat-Signature: xupfxawfjfw67h8fowna6m78fefwdqr7 X-Rspam-User: X-HE-Tag: 1728918322-770116 X-HE-Meta: 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 I48/mrO/ OOj1oYJEf+zJgGPT2t5ldkBhsi8DDYds+PJZ4tJtkCVUUNuXaJRPQjIA06EI3T7UBfo1gsMPXtWuA8q7jQY+WASFRVDJR3Nd8G3uSh7n7tKwIYPbMgN+ObE/ijyYo5/57Vzqeva6M4K6pJKRnKzlqDTPMZGdZcFODMAR/daug4kdf0DkRugaINTeKQ8/3Borx69FKTUcFjrYtp6gKpLPEuhMQ527S7BPm2ITNBkjDnHo142pKoQBvP4+LXwpWVwRf/Rr3UFzgkMCsumM2fnIGScdHQctrdiKK0ecnF00Uq27+BYGE6o7mcPut/ljn33izAm/1 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, 9 Oct 2024 13:41:08 +0100 wrote: > From: Dave Jiang > > CXL spec r3.1 8.2.9.6.1 Get Supported Features (Opcode 0500h) > The command retrieve the list of supported device-specific features > (identified by UUID) and general information about each Feature. > > The driver will retrieve the feature entries in order to make checks and > provide information for the Get Feature and Set Feature command. One of > the main piece of information retrieved are the effects a Set Feature > command would have for a particular feature. > > Signed-off-by: Dave Jiang > Signed-off-by: Shiju Jose Reviewed-by: Jonathan Cameron This comes from the fwctl series and that will take a while to settle down so we should be fine taking this directly as part of this series.