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 X-Spam-Level: X-Spam-Status: No, score=-10.4 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FSL_HELO_FAKE, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_IN_DEF_DKIM_WL autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2FE07C12002 for ; Wed, 14 Jul 2021 22:06:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 193A2613C2 for ; Wed, 14 Jul 2021 22:06:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232058AbhGNWJd (ORCPT ); Wed, 14 Jul 2021 18:09:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55896 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231407AbhGNWJc (ORCPT ); Wed, 14 Jul 2021 18:09:32 -0400 Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F87DC061765 for ; Wed, 14 Jul 2021 15:06:40 -0700 (PDT) Received: by mail-pl1-x62a.google.com with SMTP id n10so2165826plk.1 for ; Wed, 14 Jul 2021 15:06:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=EaE6jTG7Jgp/wbJ51tcMag9jCDCxqqxrr8OYq3+P8Wc=; b=fL0PZANAF7+yG7iFWgSd0V41pH9og2KfTI28bNb7PFPqhsxWX1vWBJSpG2i6Gjo3SZ uBkrJV6sEMNsi4qSAdBqBw6tNA4B71VFB3gdu6TfTguqNp+oWfN0A8chWUHiYxHZ/fKm wgGdo/wDMcwfUjzOKc4q6oFaOM+c91HVF3pRWA3wTmCaPr6/CcGFVU7B1axKZTQrVa28 LHCmlpj7Q5nQ1el6lq4k2IOkZPpOk4BUvA2r7goLspzc1hNMvuoQvJgQFYWvKwSEyqVB Nc2gDt1zoJKsYGVTvY39xgk29AnP5yE3Goc6Ba55GzQtKyJRNCuXbSZUsmeTVgE+te5V 99vA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=EaE6jTG7Jgp/wbJ51tcMag9jCDCxqqxrr8OYq3+P8Wc=; b=Tx/g58wXYki3u0iZbh+RTrBRZwYaklKeckKf7yFOBJc+hLw3ygPcZwWg+o+LF0YooA wzvF/zZ8iaLPPQATt1LH/Dsk+76NWS7r+/NS6wZ2SQvg2Hs1PUZZqm3kXvWMamuCTrAO VBDXvUeJk6NvH8IPE0EmRkeEiOU9fRI9rpUOBsfOqdpvrXUFsvR3udVNOLycURlEKgiJ pIO2rkaL2ev01duPe5UN33bVDju3XV/fPCexcRJ2rXx3E8LuJnw3KmlL6fz60wFo2Xrt xzmMNbGtgU/Ql9y6AY1LIGF0vWSSe2WbWpdLVcBQQ4U/xWPkRse06vCV8N/jCr5K9LfQ GrmA== X-Gm-Message-State: AOAM530k5HYKYafaYyoJrVD2LoHVPazURJz7Jh9cPMXJLPv0MPa71hBD iBYyCYME0JdQ7D3sYWpvxkYL/ehW2pikeg== X-Google-Smtp-Source: ABdhPJzL6E0xTKEWU8gTQC7tUf662bWjjkN53TDiamtXaZuo10SO8nSFMPFMKZBypBAnyU1O6Ez5kQ== X-Received: by 2002:a17:90a:f3cb:: with SMTP id ha11mr5820993pjb.144.1626300399715; Wed, 14 Jul 2021 15:06:39 -0700 (PDT) Received: from google.com (157.214.185.35.bc.googleusercontent.com. [35.185.214.157]) by smtp.gmail.com with ESMTPSA id bf18sm3109402pjb.46.2021.07.14.15.06.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Jul 2021 15:06:39 -0700 (PDT) Date: Wed, 14 Jul 2021 22:06:35 +0000 From: Sean Christopherson To: Brijesh Singh Cc: x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-coco@lists.linux.dev, linux-mm@kvack.org, linux-crypto@vger.kernel.org, Thomas Gleixner , Ingo Molnar , Joerg Roedel , Tom Lendacky , "H. Peter Anvin" , Ard Biesheuvel , Paolo Bonzini , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Andy Lutomirski , Dave Hansen , Sergio Lopez , Peter Gonda , Peter Zijlstra , Srinivas Pandruvada , David Rientjes , Dov Murik , Tobin Feldman-Fitzthum , Borislav Petkov , Michael Roth , Vlastimil Babka , tony.luck@intel.com, npmccallum@redhat.com, brijesh.ksingh@gmail.com Subject: Re: [PATCH Part2 RFC v4 04/40] x86/sev: Add the host SEV-SNP initialization support Message-ID: References: <20210707183616.5620-1-brijesh.singh@amd.com> <20210707183616.5620-5-brijesh.singh@amd.com> <31e57173-449a-6112-30ac-5b115dda1dbb@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <31e57173-449a-6112-30ac-5b115dda1dbb@amd.com> Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org On Wed, Jul 14, 2021, Brijesh Singh wrote: > The bookkeeping region is at the start of the RMP_BASE. If we look at the > PPR then it provides a formula which we should use to read the RMP entry What's the PPR? I get the feeling I'm missing a spec :-)