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=-21.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=unavailable 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 BBB7BC43214 for ; Mon, 16 Aug 2021 20:24:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9EF4D60F35 for ; Mon, 16 Aug 2021 20:24:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232312AbhHPUZZ (ORCPT ); Mon, 16 Aug 2021 16:25:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231565AbhHPUZX (ORCPT ); Mon, 16 Aug 2021 16:25:23 -0400 Received: from mail-qv1-xf4a.google.com (mail-qv1-xf4a.google.com [IPv6:2607:f8b0:4864:20::f4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C90D2C0613C1 for ; Mon, 16 Aug 2021 13:24:51 -0700 (PDT) Received: by mail-qv1-xf4a.google.com with SMTP id l16-20020a0cc2100000b029035a3d6757b3so12651394qvh.14 for ; Mon, 16 Aug 2021 13:24:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=reply-to:date:message-id:mime-version:subject:from:to:cc; bh=g9/o/9z4zsHt0A4xliRLw6qm1WgAQq/NIv8diVlT8V8=; b=Na3X8WB7HU4+Q6rnHbcbEUye2yyaMseyJnz+LAjXQqSHQ88sIut7dcBkUtIvj5yhwc Qh9OamjchJgGSoPW1u+0tow9mQJgUyZa+mm9ZTwwnTkOCfgvVpqx/U0Nchu8VA+SpdBq nH1pUu/wDwfzNKECulGVxKPyIpva3VxJ97CmiP7zHpT0fsO6DeRWlR1BPb9LusFYUGKF zemhX6whtx4nl7UcGBgmYqbxxfadoJFdSBrHA3Hn+PjKHP3Vw4zPyURNaT5XDwpIZl1K fWJZtzTAb3p/oAriDfOGX8Qv7HEV0vRtryfhpjq7LEVn0iDeCXMebHWwDq1D2ozwKtwc I7ig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:date:message-id:mime-version:subject :from:to:cc; bh=g9/o/9z4zsHt0A4xliRLw6qm1WgAQq/NIv8diVlT8V8=; b=i3fRPxtQoNNruAZlQObdFdG1/xF/3oOYEuIC7gBRBZv0zVi8HRHu1fk5T18j3hVTKz dQHaAa+po3MzDNeEX7O2qThMBM7EedUG/4uoF6XLN8DLF1l9YUGaf5LeQfoRLcqXt3wH XWpBmCYpLk9rwxQfG8bibQJqCMDWXoeNB5uAaJsTovEyOjd0ZD+YdTXjkWhbOIAfYb0c 8FXu9VxnyMvrJRQCIC++9oNs7XNjBub7rmPfSqGMQJX/IaMUwrqn+ohRAEsB7L0mRLjk 9YZifV7SpWm4ygixed/KL6GPsbiXxcaRRNPx1NSe8rY2wwZYJx2fk7CQXr6JDz++Y5cl yt8A== X-Gm-Message-State: AOAM531V7R3m73Lkd5lKPQT6ZAT6REfyve0lfubRBocSnO+crnV3LjxL Lj3XMNz7Gur3WCS0F/jEQCHUN/BJPKo4 X-Google-Smtp-Source: ABdhPJwyQSwjPkR0qaUuTjnATtBd/G0GgK4bzkRXvZ/+QgTGS2i6L2iov1MK4VgKXMwVdCMhqbzs5CiyzQUN X-Received: from mizhang-super.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:1071]) (user=mizhang job=sendgmr) by 2002:ad4:5dcf:: with SMTP id m15mr560462qvh.35.1629145490981; Mon, 16 Aug 2021 13:24:50 -0700 (PDT) Reply-To: Mingwei Zhang Date: Mon, 16 Aug 2021 20:24:38 +0000 Message-Id: <20210816202441.4098523-1-mizhang@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.33.0.rc1.237.g0d66db33f3-goog Subject: [PATCH 0/3] clean up interface between KVM and psp From: Mingwei Zhang To: Paolo Bonzini , Brijesh Singh , Tom Lendacky , John Allen Cc: Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, Alper Gun , Borislav Petkov , David Rienjes , Marc Orr , Peter Gonda , Vipin Sharma , Mingwei Zhang Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch set is trying to help make the interface between KVM and psp cleaner and simpler. In particular, the patches do the following improvements: - avoid the requirement of psp data structures for some psp APIs. - hide error handling within psp API, eg., using sev_decommission. - hide the serialization requirement between DF_FLUSH and DEACTIVATE. Mingwei Zhang (3): KVM: SVM: move sev_decommission to psp driver KVM: SVM: move sev_bind_asid to psp KVM: SVM: move sev_unbind_asid and DF_FLUSH logic into psp arch/x86/kvm/svm/sev.c | 69 ++++-------------------------------- drivers/crypto/ccp/sev-dev.c | 57 +++++++++++++++++++++++++++-- include/linux/psp-sev.h | 44 ++++++++++++++++++++--- 3 files changed, 102 insertions(+), 68 deletions(-) -- 2.33.0.rc1.237.g0d66db33f3-goog