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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3137CC433F5 for ; Tue, 2 Nov 2021 14:23:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 19FD0610A3 for ; Tue, 2 Nov 2021 14:23:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231347AbhKBO0S (ORCPT ); Tue, 2 Nov 2021 10:26:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40432 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229530AbhKBO0J (ORCPT ); Tue, 2 Nov 2021 10:26:09 -0400 Received: from mail-pf1-x44a.google.com (mail-pf1-x44a.google.com [IPv6:2607:f8b0:4864:20::44a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BD560C0613B9 for ; Tue, 2 Nov 2021 07:23:33 -0700 (PDT) Received: by mail-pf1-x44a.google.com with SMTP id j3-20020a628003000000b004811bc66186so3116188pfd.5 for ; Tue, 02 Nov 2021 07:23:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:message-id:mime-version:subject:from:to:cc; bh=63IOB9jRdXUGAooHjzUqMr+AM+45Pd5GmDjRByI/XbI=; b=qi4MgoYmDEaLYqbeJbKBcxSIcp/8i0isps5OLMCXixb4n3H16s6alormsch+ATl6Kn Z2pkLw95tCm6HK96SFLKo6IDh6coBNXhl8VIXccM2QK8YNpIEOuTbNAB4aHtklBylK3d gn1U3F0peJ3bvludQKGt5QJLvD3m/LZJ0ZFEb9MjS0c2YZONBgXLORkNxZYWZBIBJZfB dqPL+JovaI2bQMp9ya9sldwT3NZgFnXGiaZzZOiJB/aNLCoBbNWHLdfo0XIomiebZOet aP7TIGzfmU43Ozh/kfwl9b0hkofWDt3F+qowWRMQ4J5ecqDVkfCxKb9J2pfMJJQR/wFB OnKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=63IOB9jRdXUGAooHjzUqMr+AM+45Pd5GmDjRByI/XbI=; b=yphm+BoE8vGqd+tdQk5TUisO9Ai+s8xMIkEpNNqVeWtn0RK2o8oXcaKwhs+K6rWMCo 8gMm83/WhFzz0/LUF2hJ9+Mg8vcL9AUv5dLCdyLQL0mF4RgElU4kShE556FHzmcmZVHs kpg1W1RRXwNfVkSx1JVgn1GhAHt2y7osito3TRmuIfsMbtMt4hnAPDvo42rh5aqJc3pz AUx4I8eXsUE7fe3mlPxFTjQZsWEXiuzMEWJc5koirDhOD54tzzP/YxwrLtsLEpjv60o4 txKEZyPFQSkZ5dtHcDuSAy2TqP2md6yS4j8fJpdTMbA41UFCpAyt0HAXL9yUC0xoT8yf j6vQ== X-Gm-Message-State: AOAM531dxgE9vWnq9Y9A8jT7aZw6rhPxxoJWfjlmweWIMSG0uoN9Ugzo h+XwiWQiiOnxDpBinh3hAYclm+KEGqk= X-Google-Smtp-Source: ABdhPJxe+qQNjAW37tdJRSoe4g4rocE0eurn9JS1ToQLbTqzN1qZBg1QLEj/XudtcfFmmoI5SRruPmxqbt0= X-Received: from pgonda1.kir.corp.google.com ([2620:15c:29:204:3109:8497:f59d:9150]) (user=pgonda job=sendgmr) by 2002:a63:83c6:: with SMTP id h189mr13190826pge.126.1635863013160; Tue, 02 Nov 2021 07:23:33 -0700 (PDT) Date: Tue, 2 Nov 2021 07:23:27 -0700 Message-Id: <20211102142331.3753798-1-pgonda@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.33.1.1089.g2158813163f-goog Subject: [PATCH V3 0/4] Add SEV_INIT_EX support From: Peter Gonda To: thomas.lendacky@amd.com Cc: Peter Gonda , Marc Orr , David Rientjes , Brijesh Singh , Joerg Roedel , Herbert Xu , John Allen , "David S. Miller" , Paolo Bonzini , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org SEV_INIT requires users to unlock their SPI bus for the PSP's non volatile (NV) storage. Users may wish to lock their SPI bus for numerous reasons, to support this the PSP firmware supports SEV_INIT_EX. INIT_EX allows the firmware to use a region of memory for its NV storage leaving the kernel responsible for actually storing the data in a persistent way. This series adds a new module parameter to ccp allowing users to specify a path to a file for use as the PSP's NV storage. The ccp driver then reads the file into memory for the PSP to use and is responsible for writing the file whenever the PSP modifies the memory region. Signed-off-by: Peter Gonda Reviewed-by: Marc Orr Acked-by: David Rientjes Cc: Tom Lendacky Cc: Brijesh Singh Cc: Marc Orr Cc: Joerg Roedel Cc: Herbert Xu Cc: David Rientjes Cc: John Allen Cc: "David S. Miller" Cc: Paolo Bonzini Cc: linux-crypto@vger.kernel.org Cc: linux-kernel@vger.kernel.org David Rientjes (1): crypto: ccp - Add SEV_INIT_EX support Peter Gonda (3): crypto: ccp - Fix SEV_INIT error logging on init crypto: ccp - Move SEV_INIT retry for corrupted data crypto: ccp - Refactor out sev_fw_alloc() .../virt/kvm/amd-memory-encryption.rst | 6 + drivers/crypto/ccp/sev-dev.c | 226 +++++++++++++++--- include/linux/psp-sev.h | 21 ++ 3 files changed, 221 insertions(+), 32 deletions(-) -- 2.33.1.1089.g2158813163f-goog