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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1372DC71157 for ; Wed, 18 Jun 2025 11:33:32 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uRr2f-0000Qk-VH; Wed, 18 Jun 2025 07:33:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uRr2L-0000IS-5B for qemu-devel@nongnu.org; Wed, 18 Jun 2025 07:33:04 -0400 Received: from [185.176.79.56] (helo=frasgout.his.huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uRr2J-0003T4-0N for qemu-devel@nongnu.org; Wed, 18 Jun 2025 07:33:00 -0400 Received: from mail.maildlp.com (unknown [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4bMhPV2Dshz6K934; Wed, 18 Jun 2025 19:30:38 +0800 (CST) Received: from frapeml500008.china.huawei.com (unknown [7.182.85.71]) by mail.maildlp.com (Postfix) with ESMTPS id 19678140371; Wed, 18 Jun 2025 19:32:51 +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; Wed, 18 Jun 2025 13:32:50 +0200 Date: Wed, 18 Jun 2025 12:32:48 +0100 To: Arpit Kumar CC: , , , , , , , , Subject: Re: [PATCH 3/3] hw/cxl: Add Physical Port Control (Opcode 5102h) Message-ID: <20250618123248.000004e4@huawei.com> In-Reply-To: <20250617101136.z4ityaayhuglrvqu@test-PowerEdge-R740xd> References: <20250602135942.2773823-1-arpit1.kumar@samsung.com> <20250602135942.2773823-4-arpit1.kumar@samsung.com> <20250610154501.0000213b@huawei.com> <20250617101136.z4ityaayhuglrvqu@test-PowerEdge-R740xd> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; 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: lhrpeml100012.china.huawei.com (7.191.174.184) To frapeml500008.china.huawei.com (7.182.85.71) X-Host-Lookup-Failed: Reverse DNS lookup failed for 185.176.79.56 (deferred) Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Jonathan Cameron From: Jonathan Cameron via Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org > >> + /* Assert PERST involves physical port to be in > >wrap at 80 chars. > okay > >> + * hold reset phase for minimum 100ms. No other calls > >> + * are entertained until Deassert PERST command. > >> + * https://patchwork.ozlabs.org/project/linux-pci/patch/20190523194409.17718-1-niklas.cassel@linaro.org/#2178369 > > > >Blocking other commands is fine but we should lock up emulation of other stuff > >in the system and I think you currently do. > > > got it. I think you meant 'we should *not lock up..' Absolutely!