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 4C58BC433F5 for ; Tue, 1 Mar 2022 17:47:40 +0000 (UTC) Received: from localhost ([::1]:33800 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nP6b4-00075s-T3 for qemu-devel@archiver.kernel.org; Tue, 01 Mar 2022 12:47:38 -0500 Received: from eggs.gnu.org ([209.51.188.92]:46296) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nP6Z6-000647-LB for qemu-devel@nongnu.org; Tue, 01 Mar 2022 12:45:38 -0500 Received: from [2a00:1450:4864:20::632] (port=39451 helo=mail-ej1-x632.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nP6Z1-0003FK-V1 for qemu-devel@nongnu.org; Tue, 01 Mar 2022 12:45:36 -0500 Received: by mail-ej1-x632.google.com with SMTP id dr20so8293412ejc.6 for ; Tue, 01 Mar 2022 09:45:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=references:user-agent:from:to:cc:subject:date:in-reply-to :message-id:mime-version:content-transfer-encoding; bh=dLRHgK7nPexBu1vWY80XXHBQPDHlcif0KUYC1mcwzmc=; b=RxMY1ZosMAOqRVJ/Q62iGfyo95fbP7PR/q3HCI0Yl5X+WKrMAtsYJcz2z5M8aA2Q65 WiD4nvxaeVrSJC8R1TPXf3uk3gjbCXIV/y9bL107A98UMmBX2C68R1ZbBrknt1ThFpQy inUdpcVOP/TRbKl7oZqBorP9efVpVkA/LMBpAt9i801dSRvOE03I4sy/Fo+o4TX5Dv8U 6lK4cbocAAOr4wqb1AHUW3delmzzmKiV/rnqVaYWFWsg3kLdjKYkdBjH9+lSbfJBsUua Y2yEIV1GgNmm+n3T+KYYZOfPD2juSW23n6+CQndOvnLCwlrggeRB0c9j1qGgxohbqpFf MTrw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:references:user-agent:from:to:cc:subject:date :in-reply-to:message-id:mime-version:content-transfer-encoding; bh=dLRHgK7nPexBu1vWY80XXHBQPDHlcif0KUYC1mcwzmc=; b=AYxWlUQ56n5Xj/IUHcZU360h7t0sndRYHf1nsuENH4AhvXw4tv4yY1VwsuOgrcHs+X 4ZoPyDV785FyWxnS2QbSJh+8EmLOM1CPXoCoXZIkLApO9np3IV3XODWxQ8+FNVLMEgZn PsUtfaukA5rTjPQXRBtqbTkRiH3S2ogPUcfHHKnReJCeiV9XXHI1wT+3sOUJ6Kb+52kK qDAXr2WDFZ7BSSWVvI3tTZVEgN1IY6pT0VfDiPLYkmCwHurdTAM9RSVvpR+44XD0utLz ePFdc5cP4UOwPz5e8HLW7dqWlIIZhw9034wOQ60mp3s94rbMhC/fDFKEOtx0cJQIrv9X GQXA== X-Gm-Message-State: AOAM531yksUDzRgJKpzwwTUiP417CCdQsRAKQWyNNDBG5iQKjKk8SyTY xy4A3nimygynt0dcLXdxDO3Z7A== X-Google-Smtp-Source: ABdhPJzmX8W2OEZNcd9SAtFhpUufuevKMDHeZSOP6NoY6+6SsTnfPsVTmH1d++kdm+Wva3rTdxEJXw== X-Received: by 2002:a17:906:b28b:b0:6cc:734c:812d with SMTP id q11-20020a170906b28b00b006cc734c812dmr20182689ejz.657.1646156730177; Tue, 01 Mar 2022 09:45:30 -0800 (PST) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id rv11-20020a17090710cb00b006d5c0cd5e0dsm5495649ejb.82.2022.03.01.09.45.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Mar 2022 09:45:28 -0800 (PST) Received: from zen (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 31FBF1FFB7; Tue, 1 Mar 2022 17:45:28 +0000 (GMT) References: <20220211120747.3074-1-Jonathan.Cameron@huawei.com> <20220211120747.3074-11-Jonathan.Cameron@huawei.com> User-agent: mu4e 1.7.9; emacs 28.0.91 From: Alex =?utf-8?Q?Benn=C3=A9e?= To: Jonathan Cameron Subject: Re: [PATCH v6 10/43] hw/cxl/device: Add log commands (8.2.9.4) + CEL Date: Tue, 01 Mar 2022 17:45:23 +0000 In-reply-to: <20220211120747.3074-11-Jonathan.Cameron@huawei.com> Message-ID: <87y21tlg7b.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::632 (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::632; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x632.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: , Cc: Peter Maydell , Ben Widawsky , "Michael S . Tsirkin" , Samarth Saxena , Chris Browy , qemu-devel@nongnu.org, linux-cxl@vger.kernel.org, linuxarm@huawei.com, Shreyas Shah , Saransh Gupta1 , Shameerali Kolothum Thodi , Marcel Apfelbaum , Igor Mammedov , Dan Williams , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Jonathan Cameron writes: > From: Ben Widawsky > > CXL specification provides for the ability to obtain logs from the > device. Logs are either spec defined, like the "Command Effects Log" > (CEL), or vendor specific. UUIDs are defined for all log types. > > The CEL is a mechanism to provide information to the host about which > commands are supported. It is useful both to determine which spec'd > optional commands are supported, as well as provide a list of vendor > specified commands that might be used. The CEL is already created as > part of mailbox initialization, but here it is now exported to hosts > that use these log commands. > > Signed-off-by: Ben Widawsky > Signed-off-by: Jonathan Cameron Reviewed-by: Alex Benn=C3=A9e --=20 Alex Benn=C3=A9e