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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64C21C07E9D for ; Tue, 27 Sep 2022 13:56:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231425AbiI0N4c (ORCPT ); Tue, 27 Sep 2022 09:56:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55596 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231906AbiI0N4a (ORCPT ); Tue, 27 Sep 2022 09:56:30 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37ED989CF4; Tue, 27 Sep 2022 06:56:27 -0700 (PDT) Received: from fraeml704-chm.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4McLjX2qPPz68967; Tue, 27 Sep 2022 21:55:12 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (7.191.163.240) by fraeml704-chm.china.huawei.com (10.206.15.53) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2375.31; Tue, 27 Sep 2022 15:56:24 +0200 Received: from localhost (10.202.226.42) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 27 Sep 2022 14:56:24 +0100 Date: Tue, 27 Sep 2022 14:56:23 +0100 From: Jonathan Cameron To: Ira Weiny CC: "Williams, Dan J" , "Schofield, Alison" , "Verma, Vishal L" , Ben Widawsky , Steven Rostedt , Davidlohr Bueso , "linux-kernel@vger.kernel.org" , "linux-cxl@vger.kernel.org" Subject: Re: [RFC PATCH 7/9] cxl/test: Add generic mock events Message-ID: <20220927145623.0000040d@huawei.com> In-Reply-To: References: <20220813053243.757363-1-ira.weiny@intel.com> <20220813053243.757363-8-ira.weiny@intel.com> <20220825123119.00000705@huawei.com> <20220920171748.00001260@huawei.com> X-Mailer: Claws Mail 4.0.0 (GTK+ 3.24.29; i686-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.202.226.42] X-ClientProxiedBy: lhrpeml500004.china.huawei.com (7.191.163.9) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org On Mon, 26 Sep 2022 14:39:52 -0700 Ira Weiny wrote: > On Tue, Sep 20, 2022 at 09:17:48AM -0700, Jonathan Cameron wrote: > > On Thu, 15 Sep 2022 11:53:29 -0700 > > Ira Weiny wrote: > > > > > On Thu, Aug 25, 2022 at 12:31:19PM +0100, Jonathan Cameron wrote: > > > > On Fri, 12 Aug 2022 22:32:41 -0700 > > > > ira.weiny@intel.com wrote: > > > > > > > > > From: Ira Weiny > > > > > > > > > > Facilitate testing basic Get/Clear Event functionality by creating > > > > > multiple logs and generic events with made up UUID's. > > > > > > > > > > Data is completely made up with data patterns which should be easy to > > > > > spot in trace output. > > > > Hi Ira, > > > > > > > > I'm tempted to hack the QEMU emulation for this in with appropriately > > > > complex interface to inject all the record types... > > > > > > Every time I look at the QEMU code it makes my head spin. :-( > > > > You get used to it ;)` > > I'm trying... :-/ > > Question though: > > Is there a call in qemu which is equivalent to cpu_to_leXX()? The > exec/cpu-all.h is having compilation issues for me because the > TARGET_BIG_ENDIAN is not defined (it is defined in a meson generated header). > > So I'm afraid that the tswapXX() calls are not what I'm supposed to use. Is > this true? Are those some sort of internal call? I'm confused. There is cpu_to_le16 in "qemu/bswap.h" I suspect we've played a bit fast and loose with endianness in a few places in current qemu code and should probably check all that sometime. Jonathan > > Ira