From patchwork Tue Aug 16 19:32:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacky Li X-Patchwork-Id: 12945237 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 804E3C25B0E for ; Tue, 16 Aug 2022 19:32:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237101AbiHPTcY (ORCPT ); Tue, 16 Aug 2022 15:32:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58864 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237050AbiHPTcX (ORCPT ); Tue, 16 Aug 2022 15:32:23 -0400 Received: from mail-pf1-x449.google.com (mail-pf1-x449.google.com [IPv6:2607:f8b0:4864:20::449]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F123887084 for ; Tue, 16 Aug 2022 12:32:21 -0700 (PDT) Received: by mail-pf1-x449.google.com with SMTP id h13-20020a056a00000d00b0052de2e258dbso4098524pfk.7 for ; Tue, 16 Aug 2022 12:32:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:mime-version:message-id:date:from:to:cc; bh=lnds6ny2TNE2xsTeBwgr2LZaFGS1qTR6zkBwE36ZPac=; b=n6mCgX9AA0fSKZgignFSTauJfNPKQiqQKj5oEO4y/re7xpeWAyuaHIq4jY64/1U4TJ d34doOwJgPRR5UnG76B4bPe6tNyDhWvJDVIO8V6uEwqbyNiRePCPPKcpXSomddMnYU4U fK+Dz+oRm6wix+ijA4slGOFe51rhYdXcWUsZCE8Mbq9gfoAd8ERCu+paFKuQ+8xZSPmH 8e3L6UVOpLrEw/PKRzmlxC1UWZQ8d5/RiWuvLRY3zsRgvly4IdminDhZV0t15LIHgfqj 4BWr13wZFNM5lW2BiCEAyLrjjvvRD9xDGSw71YrdWcBKKk0wx9mZVgUtp2yXgpW2suPw 0gkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:mime-version:message-id:date:x-gm-message-state :from:to:cc; bh=lnds6ny2TNE2xsTeBwgr2LZaFGS1qTR6zkBwE36ZPac=; b=QQsBA7o9sOPDXMoNpg2YaxP8GNIlGUQuvXwAInl3N4HuAFr6nu458dZ156B7XmhOZ6 SAnAjdNkjh/CDRp0T6ImbPWgsZddFfO8MX3GTwU/nEImoRCoIPKJZFf3Q8a5OiA0/PFL i6ajDtH9DiYM4kLgELa5o9jbCHUsRyhfwblJ/egPFpcWU2Drvq3dKasGYIjTCsq+fM49 c+aDYARibJVpRditdsLptas5u7KC8MCOZjSftkcrxm/wlxoyVXVEePTAubfKPj3DBCR3 Ga2vRWofQ8Yudzy000LowVzsucMMQg5lWTkKo75nCrPTsvqycrh2EUt5lXA2n7fLW1YE GMCA== X-Gm-Message-State: ACgBeo36eMvuwLcRoAfWKUqO8P07K6JejyvyKeuZso+3UTWkrkLgHxSQ EwhZu1o0UZNiRy/oBDc4yMUG4Bl0fmo= X-Google-Smtp-Source: AA6agR4Phdgs3HsIXQvZUmZfFPGRrsUMqjfDu9WtYjkDvvD9fRiG4P0AsOjUwr+M+wjvgodXKT6WNeXe3D9c X-Received: from jackyli.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:3b51]) (user=jackyli job=sendgmr) by 2002:a17:902:f686:b0:172:8c44:8e94 with SMTP id l6-20020a170902f68600b001728c448e94mr2806567plg.157.1660678341448; Tue, 16 Aug 2022 12:32:21 -0700 (PDT) Date: Tue, 16 Aug 2022 19:32:07 +0000 Message-Id: <20220816193209.4057566-1-jackyli@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.37.1.595.g718a3a8f04-goog Subject: [PATCH v2 0/2] Improve error handling during INIT_EX file initialization From: Jacky Li To: Brijesh Singh , Tom Lendacky , John Allen Cc: Herbert Xu , "David S. Miller" , Marc Orr , Alper Gun , Peter Gonda , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, Jacky Li Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Currently the PSP initialization fails when the INIT_EX file is missing or invalid, while the initialization continues when the OS fails to write the INIT_EX file. This series handles both cases in a more robust way by resolving the file read error as well as throwing the write error to the caller. --- Changelog since v1: - refactor around __sev_init_ex_locked() and fix format. Jacky Li (2): crypto: ccp - Initialize PSP when reading psp data file failed crypto: ccp - Fail the PSP initialization when writing psp data file failed .../virt/kvm/x86/amd-memory-encryption.rst | 5 +- drivers/crypto/ccp/sev-dev.c | 62 +++++++++++-------- 2 files changed, 39 insertions(+), 28 deletions(-)