From patchwork Tue Aug 2 18:55:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacky Li X-Patchwork-Id: 595404 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 C95A4C00140 for ; Tue, 2 Aug 2022 18:56:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229526AbiHBSz7 (ORCPT ); Tue, 2 Aug 2022 14:55:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58446 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230057AbiHBSzr (ORCPT ); Tue, 2 Aug 2022 14:55:47 -0400 Received: from mail-pj1-x1049.google.com (mail-pj1-x1049.google.com [IPv6:2607:f8b0:4864:20::1049]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 08C44140F3 for ; Tue, 2 Aug 2022 11:55:44 -0700 (PDT) Received: by mail-pj1-x1049.google.com with SMTP id f16-20020a17090a4a9000b001f234757bbbso6516679pjh.6 for ; Tue, 02 Aug 2022 11:55:44 -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=z6YOAbeOZEs1MBBf+w9QW4hYsp3caV69mYkSKHQ/2TQ=; b=ZTUncLsSJVThOeuuCQW326smIKVVrW1Fa/gxz87xVQmlkUAR2mqql9vnUDMX7T0Pbu AxFA3I6qwAzNHmrHlsCzMChD5TJt1CVI+CGhlHmK+GvvnjtAe5qHNm7ucZNgpoT6eOn5 4ZC8/ruhVXEbs7a/1hI5943gZOAM93FT1XUkdSn0+E10TdhLc3Omaq//W8YwjfOaXJ7h D2aOCtERQ40RdTcf1X8MZYjr/ZvPVVHQ95sQHQ555KOthe0rb9Z0iSjaS3uhB0xIVcm1 MfG4vgdWtMQMrDrjpikQSgyKXmxyNEmfNYh+UKnVvN++tjYFAUEAdrmyz4M9uYYlxKVu Vk/A== 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=z6YOAbeOZEs1MBBf+w9QW4hYsp3caV69mYkSKHQ/2TQ=; b=yK/czsWp/n5dIU2IV3indzuQQ3RfWprThzZh0ALdXLh+nFzMIG7rEOsRUR8KK4iCUE hCdq6rUNO2p4xNdC2rPHGVNrYqaaE0wtW9KtKeW1VP8Su6oWx6+w1WY5WA/hKW5v79AZ GVNzRsN74hdHr1rrGqBmXRbWHCPd3cg+r457Z48QpGJZ4z4+u+DQwiaKlkRZt4s7E2ax MGZ6lr/+bODCB+VHgaK/TkxO/NENAxUaV3dSFygyBRnSH7IzDigFr1H30EJrza5/IlIw /bKQ8//l3Phd1G+iFKIqYCoXBs2YqV/QAHU+eQ7zyWwZn2pHEBc6QOL/IUPNtoPdMJN/ viSQ== X-Gm-Message-State: AJIora8SElpZLfo8UHUW9XtTB8+lEYHmbz74IwbtvRLlx/6Im5qTNgJN 773sVWJ6+Mw0VxabC5WAgB3u9ISs42g= X-Google-Smtp-Source: AGRyM1t6fClii7zpegnV02vPW+r4wyiAPzq9rJA8TINHaXWJZhY3vSYkv3E75sTG2cFO2YcaZim0tu2J85rf X-Received: from jackyli.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:3b51]) (user=jackyli job=sendgmr) by 2002:a05:6a00:8cc:b0:52c:7ab5:2ce7 with SMTP id s12-20020a056a0008cc00b0052c7ab52ce7mr21578935pfu.28.1659466543879; Tue, 02 Aug 2022 11:55:43 -0700 (PDT) Date: Tue, 2 Aug 2022 18:55:32 +0000 Message-Id: <20220802185534.735338-1-jackyli@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.37.1.455.g008518b4e5-goog Subject: [PATCH 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. 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 | 52 ++++++++++++------- 2 files changed, 35 insertions(+), 22 deletions(-)