From patchwork Wed Jul 31 15:07:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirill A . Shutemov" X-Patchwork-Id: 11068105 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 580E3746 for ; Wed, 31 Jul 2019 15:09:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3DCDB1FFD8 for ; Wed, 31 Jul 2019 15:09:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 312FE201B1; Wed, 31 Jul 2019 15:09:15 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B19B9201B0 for ; Wed, 31 Jul 2019 15:09:14 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B89998E0018; Wed, 31 Jul 2019 11:08:31 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id AC6828E0019; Wed, 31 Jul 2019 11:08:31 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 93C918E0018; Wed, 31 Jul 2019 11:08:31 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) by kanga.kvack.org (Postfix) with ESMTP id 3AADA8E0019 for ; Wed, 31 Jul 2019 11:08:31 -0400 (EDT) Received: by mail-wr1-f69.google.com with SMTP id j10so30806610wre.18 for ; Wed, 31 Jul 2019 08:08:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:dkim-signature:from:to:cc:subject:date :message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=2C449KSjT4bbSwYYn5oh0t+GvJgUUHqBrjpFSTJaVMM=; b=gfhQVD5HH58EwZsHgcPLepi0YYl8hGVoRFXDJM2/cBXd6/GKIjsd0/2PvoBpQ4dxRM OzR5gmhRoSif/R2vURAF4v9gSNxc0F/DgaPD5VmspugR1NHtoR3IjQ19KiLScrUNwi8l i9qgCZUnodpfV4Fd3cexlsHTf0jy6GETaecK0l3NkRe/zyQdHGmRFQhWr07S6dDUP8yA xX9ASPYTbD8VjhuFztaE/byA+p8c+cm/Oq55mbFWbX4JcZAmVlXdlB1lmWBQin+10Vlg k1miXB+XlOOQ2tv1YE1H5S5GHfkoOIXNq6gOLSJirciHWB4v7tArie/wIjOk1ejpQbed wTjQ== X-Gm-Message-State: APjAAAXNJ6wKYcp2wxb5HVoSeXm/1RFIaktsl1N6zHkiC+13q4aJrcf9 LChqTn0ssnt0lWGjzAI5tv+YNh+VDT2KTd65uVhldNTK29UkTFOIW+FxaSKVp9to5x2kNZ6DRGZ 9eMSVMYObaB5At8HPgb5mGvq/9CmYZnYsCHI9drSKWSWtS/lGfaaZBKnq2RXUKE0= X-Received: by 2002:a1c:a514:: with SMTP id o20mr114609088wme.149.1564585710794; Wed, 31 Jul 2019 08:08:30 -0700 (PDT) X-Received: by 2002:a1c:a514:: with SMTP id o20mr114609005wme.149.1564585709583; Wed, 31 Jul 2019 08:08:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1564585709; cv=none; d=google.com; s=arc-20160816; b=mAAOyG9UtJBhAHYSal2FAsI6DjYfp8eyGIFeAAi5YkSOApgdtK+1V5TphqWflPJ74f vbG21reJAyaNQqu2ucNr/moRRnkSrF4MaNFRQYOWD6NsvbKgO2o0oAED1bqq+RU7FkCv dG4b0TpFgvgh4TBt6LFe5WY94TqFeVrjPSuDljhwJ86Ene3HnznpvqCHJp3MVwZBtwLH fq8LXZ+MHT4ztd9RKfK1SkPHhFx2KcFSaoCO0lyoWqeC6ul5bovSQHToeNFes2iqvoP9 hTlbYI7w5ejp0fZ5dMfLhE3eVfaZtYdSwidLaDT1erkkVT09g2x8GQsGJDXJV+W3A4Ou EFLA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature; bh=2C449KSjT4bbSwYYn5oh0t+GvJgUUHqBrjpFSTJaVMM=; b=mHrC9te0E7IHYs8tBHO3B4fMXtKAJFRnW02jQiYyPbTanCVt6wWnuR6K8YqKDtNguc YI75VdY48TeWqqU2T9DbHI7DDtPhICoXH9uHfm10SfmdhCRQKY9F2xuGVvkgOtlmF8ed Wc7NBkVoeOHBdsr0iT5ii8e2jGb09NIBRCcptMZVsAoEhW5pMkZ228gHlVuRd0gnVEPJ u0rI/e0j15BBPC5W6/Z95DUl+riS6VhWOie+1LRXOyT/cafh1JdOpqddnOWE4sOQaiIS GDqo+6MusdI7+lOP/7ORzQtVzhq8dI5grbguFhOiEPN9ZyXBCzUzoO/JcaEHnkKD9Gh6 aBlQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@shutemov-name.20150623.gappssmtp.com header.s=20150623 header.b=BRLtr4tg; spf=neutral (google.com: 209.85.220.65 is neither permitted nor denied by best guess record for domain of kirill@shutemov.name) smtp.mailfrom=kirill@shutemov.name Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id l33sor52306997edd.23.2019.07.31.08.08.29 for (Google Transport Security); Wed, 31 Jul 2019 08:08:29 -0700 (PDT) Received-SPF: neutral (google.com: 209.85.220.65 is neither permitted nor denied by best guess record for domain of kirill@shutemov.name) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@shutemov-name.20150623.gappssmtp.com header.s=20150623 header.b=BRLtr4tg; spf=neutral (google.com: 209.85.220.65 is neither permitted nor denied by best guess record for domain of kirill@shutemov.name) smtp.mailfrom=kirill@shutemov.name DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shutemov-name.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=2C449KSjT4bbSwYYn5oh0t+GvJgUUHqBrjpFSTJaVMM=; b=BRLtr4tgYn50QM+JIDHN/iYJHDA/eYrOUmJYvQptXTzwrBNdmFzt8zjJULLektK/VA AL/NZPGusMjazLlBev7xe67PdKIfQ1ifpZNsX3n6tVVOa4ud/9OwxtjEEiXleT0dww34 btnUPhOQ9ej+n+IZzfuH/c2u7wLSynBdGbkIYgwm/zx9aTR7AirSR8kauZtQI1eG36ut GrY5WSOyefYNkH38KCUyy7rpU+qfA4Tow+UQHZI/00wFfW7zf53dLyFQhYvsbF2QDkKz HwKhJkV1eHDK+DsnsDoJNeFWLsnZIxfo/PjZHwoQIcsO8/FwvmZXcMuwGCHQNeY7A0V3 GE2Q== X-Google-Smtp-Source: APXvYqxMBwDpewyfIfpy++jLBpP8UloTaXPGrZ8I/eqCpEpkmrEfDx2SZR3u/YrZv24UsUCPRBrhkw== X-Received: by 2002:a05:6402:28e:: with SMTP id l14mr42072938edv.11.1564585709289; Wed, 31 Jul 2019 08:08:29 -0700 (PDT) Received: from box.localdomain ([86.57.175.117]) by smtp.gmail.com with ESMTPSA id jt17sm12600191ejb.90.2019.07.31.08.08.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 31 Jul 2019 08:08:28 -0700 (PDT) From: "Kirill A. Shutemov" X-Google-Original-From: "Kirill A. Shutemov" Received: by box.localdomain (Postfix, from userid 1000) id 8E3561030BE; Wed, 31 Jul 2019 18:08:16 +0300 (+03) To: Andrew Morton , x86@kernel.org, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Borislav Petkov , Peter Zijlstra , Andy Lutomirski , David Howells Cc: Kees Cook , Dave Hansen , Kai Huang , Jacob Pan , Alison Schofield , linux-mm@kvack.org, kvm@vger.kernel.org, keyrings@vger.kernel.org, linux-kernel@vger.kernel.org, "Kirill A . Shutemov" Subject: [PATCHv2 23/59] x86/pconfig: Set an activated algorithm in all MKTME commands Date: Wed, 31 Jul 2019 18:07:37 +0300 Message-Id: <20190731150813.26289-24-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190731150813.26289-1-kirill.shutemov@linux.intel.com> References: <20190731150813.26289-1-kirill.shutemov@linux.intel.com> MIME-Version: 1.0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: X-Virus-Scanned: ClamAV using ClamSMTP From: Alison Schofield The Intel MKTME architecture specification requires an activated encryption algorithm for all command types. For commands that actually perform encryption, SET_KEY_DIRECT and SET_KEY_RANDOM, the user specifies the algorithm when requesting the key through the MKTME Key Service. For CLEAR_KEY and NO_ENCRYPT commands, do not require the user to specify an algorithm. Define a default algorithm, that is 'any activated algorithm' to cover those two special cases. Signed-off-by: Alison Schofield Signed-off-by: Kirill A. Shutemov --- arch/x86/include/asm/intel_pconfig.h | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/arch/x86/include/asm/intel_pconfig.h b/arch/x86/include/asm/intel_pconfig.h index 3cb002b1d0f9..4f27b0c532ee 100644 --- a/arch/x86/include/asm/intel_pconfig.h +++ b/arch/x86/include/asm/intel_pconfig.h @@ -21,14 +21,20 @@ enum pconfig_leaf { /* Defines and structure for MKTME_KEY_PROGRAM of PCONFIG instruction */ +/* mktme_key_program::keyid_ctrl ENC_ALG, bits [23:8] */ +#define MKTME_AES_XTS_128 (1 << 8) +#define MKTME_ANY_ACTIVATED_ALG (1 << __ffs(mktme_algs) << 8) + /* mktme_key_program::keyid_ctrl COMMAND, bits [7:0] */ #define MKTME_KEYID_SET_KEY_DIRECT 0 #define MKTME_KEYID_SET_KEY_RANDOM 1 -#define MKTME_KEYID_CLEAR_KEY 2 -#define MKTME_KEYID_NO_ENCRYPT 3 -/* mktme_key_program::keyid_ctrl ENC_ALG, bits [23:8] */ -#define MKTME_AES_XTS_128 (1 << 8) +/* + * CLEAR_KEY and NO_ENCRYPT require the COMMAND in bits [7:0] + * and any activated encryption algorithm, ENC_ALG, in bits [23:8] + */ +#define MKTME_KEYID_CLEAR_KEY (2 | MKTME_ANY_ACTIVATED_ALG) +#define MKTME_KEYID_NO_ENCRYPT (3 | MKTME_ANY_ACTIVATED_ALG) /* Return codes from the PCONFIG MKTME_KEY_PROGRAM */ #define MKTME_PROG_SUCCESS 0