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 A0189C433F5 for ; Tue, 1 Mar 2022 17:45:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232113AbiCARqN (ORCPT ); Tue, 1 Mar 2022 12:46:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38466 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231362AbiCARqN (ORCPT ); Tue, 1 Mar 2022 12:46:13 -0500 Received: from mail-ej1-x636.google.com (mail-ej1-x636.google.com [IPv6:2a00:1450:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9943D2AC6C for ; Tue, 1 Mar 2022 09:45:31 -0800 (PST) Received: by mail-ej1-x636.google.com with SMTP id gb39so33037459ejc.1 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=m9VAJC34biOveKzFYnToEWYLM3QZq0d1bl0/rILVJH09J4QWiptn2gCnJ1rXkbjMdn F/lQCTlqJxnUts1MCA5z+BeTRhAxfkzVAJkfH6Ix/nSDeKde7wogBm90Bz9HqRG8kP3p PCHVd46ccUzyJMuGHJXX/ITpGxImNH/io3xlfEL9otxvVaE+znvWtTBRj9Y58vOrZu6D CLi+q6s4HdSloOgST+j3DGpbEQmP4ukaQ8o2CSVxdO2ESMD/64i7Pt7EAV3zapKbRQ0E Nu7bZDrGv89L5GzNbGzMW7AdkaAVA9aSYEsn8kq5mnIb9+JbH/8kcvBZAGjkPCLutSE9 Kd7w== X-Gm-Message-State: AOAM533MbauTYWepG25TaeLDJhEdP2k5KP1ajVBhtkp+rdtUQII6nLel 5m5nKFjl90+UI8Og9SrlHJ03Nw== 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 Cc: qemu-devel@nongnu.org, Marcel Apfelbaum , "Michael S . Tsirkin" , Igor Mammedov , linux-cxl@vger.kernel.org, Ben Widawsky , Peter Maydell , linuxarm@huawei.com, Shameerali Kolothum Thodi , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Saransh Gupta1 , Shreyas Shah , Chris Browy , Samarth Saxena , Dan Williams 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 Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org 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