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=-4.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 A20E0C432BE for ; Mon, 2 Aug 2021 13:32:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8ECA160F6D for ; Mon, 2 Aug 2021 13:32:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233967AbhHBNdE (ORCPT ); Mon, 2 Aug 2021 09:33:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34586 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233742AbhHBNdA (ORCPT ); Mon, 2 Aug 2021 09:33:00 -0400 Received: from mail-pl1-x634.google.com (mail-pl1-x634.google.com [IPv6:2607:f8b0:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1A76AC061760; Mon, 2 Aug 2021 06:32:50 -0700 (PDT) Received: by mail-pl1-x634.google.com with SMTP id t3so17496871plg.9; Mon, 02 Aug 2021 06:32:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=Zaf+5dU3RLSl9eL+MQvIjvf9i9eq7xHute6xnxP/ss8=; b=lzLycDZx+VgbDgddV/I+3isOD43Vy0BkIdAf1yHmxOpy7/nQ2h/20I3MZKvLheRAfo bQGladbLi22o2mpFkEByG5LNltJK09xhP1gfAPOR8XF9Vgo3NEVD/jyTJznRBYBCRjq7 mmnAa6JV8TPX7L6HR2Yw9fBKonGL4iSYr9ttnd9k3KcVWf/HnsrrQ0l71AwCJ07/uolw qMzfDw7EEeP/xzHEQK5KLJHSpIyFcZ1xwGqJvKS7M/hpYiX31RexDYDQYOH3f8znEAYa +gp0X5yO6CkoB7PtXKHyTPRWGAPzTrwFvh3JsjSYhcxB6xBY5Zyqb4DJ96A4xrQjjHm+ 1kNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=Zaf+5dU3RLSl9eL+MQvIjvf9i9eq7xHute6xnxP/ss8=; b=P2kS82OSwWykqqvjaChOiNB9NvFggxFAgoeIxXUQk9IMCrel0iyI0PjCZAHrCVSG0o cUO83IOEKpcoVPogUvfUK+Zr3x3ViZQEADlq9ym3kl77DcuKQwsB1J8BeWXs9C33hm3f PDTJZyXOZW6ZREs7UnBPb9zq8RZdxuGWG8sG5t9zzMf9uKnWmlFfKKGMuMsQRkRBUl3i 8VGExj5Ey7kDzHsGmfhnwav5PhIRDAnAQSsW1NHo45WwRMaIWiDswa417I6XvfH6AGh0 C/hdjew8+6XYZQgfx//slqjvj+70dt8BbrTJbpb41yT/iTtg6Qfn2lQxADtO1ikzpIvc v7SA== X-Gm-Message-State: AOAM53239WV9aS8WXUVTuwjgEtkE8C04TTnWCHNQdhvF1UaONFjUBoO1 rqLWJdhaErWHaTFsadCeQhQ= X-Google-Smtp-Source: ABdhPJw26TcdJx7nJdP8OVOffK3BNROQGPQJnGpjzP8q2wSE+WsIrRM3Kk21HhrucVZR9IjyKRevpw== X-Received: by 2002:a65:6a01:: with SMTP id m1mr1550797pgu.201.1627911169578; Mon, 02 Aug 2021 06:32:49 -0700 (PDT) Received: from ?IPv6:2404:f801:0:5:8000::4b1? ([2404:f801:9000:1a:efea::4b1]) by smtp.gmail.com with ESMTPSA id f5sm11780560pfn.134.2021.08.02.06.32.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Aug 2021 06:32:49 -0700 (PDT) Subject: Re: [PATCH 06/13] HV: Add ghcb hvcall support for SNP VM To: Joerg Roedel Cc: kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, konrad.wilk@oracle.com, boris.ostrovsky@oracle.com, jgross@suse.com, sstabellini@kernel.org, will@kernel.org, davem@davemloft.net, kuba@kernel.org, jejb@linux.ibm.com, martin.petersen@oracle.com, arnd@arndb.de, hch@lst.de, m.szyprowski@samsung.com, robin.murphy@arm.com, thomas.lendacky@amd.com, brijesh.singh@amd.com, ardb@kernel.org, Tianyu.Lan@microsoft.com, rientjes@google.com, martin.b.radev@gmail.com, akpm@linux-foundation.org, rppt@kernel.org, kirill.shutemov@linux.intel.com, aneesh.kumar@linux.ibm.com, krish.sadhukhan@oracle.com, saravanand@fb.com, xen-devel@lists.xenproject.org, pgonda@google.com, david@redhat.com, keescook@chromium.org, hannes@cmpxchg.org, sfr@canb.auug.org.au, michael.h.kelley@microsoft.com, iommu@lists.linux-foundation.org, linux-arch@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, netdev@vger.kernel.org, vkuznets@redhat.com, anparri@microsoft.com References: <20210728145232.285861-1-ltykernel@gmail.com> <20210728145232.285861-7-ltykernel@gmail.com> From: Tianyu Lan Message-ID: <436a4eda-bed2-9107-e297-3dee381354ff@gmail.com> Date: Mon, 2 Aug 2021 21:32:33 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/2/2021 8:39 PM, Joerg Roedel wrote: > On Wed, Jul 28, 2021 at 10:52:21AM -0400, Tianyu Lan wrote: >> + hv_ghcb->ghcb.protocol_version = 1; >> + hv_ghcb->ghcb.ghcb_usage = 1; > > The values set to ghcb_usage deserve some defines (here and below). > OK. Will update in the next version.