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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 B57ABC3276C for ; Thu, 2 Jan 2020 22:50:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8A6DF20866 for ; Thu, 2 Jan 2020 22:50:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578005443; bh=oOeQ4Kf/UQMKZ0eDLAFhI8krS8HYeMHYiaxRSnwd178=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=QDal4ZLOq/EF0kxkelpMjsNmA1B7TGCLTD2/fJkhg6WMusdVX/6jjxB5VFt+K3qia oGQVoNUlWYZWbD2YmUcXdiOi040eZzF5V2yZMRn0vDvmk03RjFJr7L9I37/p0XLI4D iDd8NP81nNy1lIwNrbizaynD9xaSqwUMHUcGDnlA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729762AbgABWum (ORCPT ); Thu, 2 Jan 2020 17:50:42 -0500 Received: from mail.kernel.org ([198.145.29.99]:50124 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729468AbgABWZJ (ORCPT ); Thu, 2 Jan 2020 17:25:09 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 450E321D7D; Thu, 2 Jan 2020 22:25:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578003908; bh=oOeQ4Kf/UQMKZ0eDLAFhI8krS8HYeMHYiaxRSnwd178=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H1w8TblLL7u8aeSPY4+uCpZSQwLuMESikc6C/5mFg5kVHzjMb1K1jvx0bdwJRfAgM 8CRhhjr9zSu6cf1l0huPe+zcE/INoO6p4An1mX3cXLSOrQ2dllJsZdt4DCRpUA+cLL rqr+7ADpzhwkAHf2EJaO/bd/czhJUcEO9ttfjZOI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Harald Freudenberger , Vasily Gorbik , Sasha Levin Subject: [PATCH 4.14 49/91] s390/zcrypt: handle new reply code FILTERED_BY_HYPERVISOR Date: Thu, 2 Jan 2020 23:07:31 +0100 Message-Id: <20200102220436.759078807@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200102220356.856162165@linuxfoundation.org> References: <20200102220356.856162165@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Harald Freudenberger [ Upstream commit 6733775a92eacd612ac88afa0fd922e4ffeb2bc7 ] This patch introduces support for a new architectured reply code 0x8B indicating that a hypervisor layer (if any) has rejected an ap message. Linux may run as a guest on top of a hypervisor like zVM or KVM. So the crypto hardware seen by the ap bus may be restricted by the hypervisor for example only a subset like only clear key crypto requests may be supported. Other requests will be filtered out - rejected by the hypervisor. The new reply code 0x8B will appear in such cases and needs to get recognized by the ap bus and zcrypt device driver zoo. Signed-off-by: Harald Freudenberger Signed-off-by: Vasily Gorbik Signed-off-by: Sasha Levin --- drivers/s390/crypto/zcrypt_error.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/s390/crypto/zcrypt_error.h b/drivers/s390/crypto/zcrypt_error.h index 9499cd3a05f8..02a936db0092 100644 --- a/drivers/s390/crypto/zcrypt_error.h +++ b/drivers/s390/crypto/zcrypt_error.h @@ -75,6 +75,7 @@ struct error_hdr { #define REP82_ERROR_EVEN_MOD_IN_OPND 0x85 #define REP82_ERROR_RESERVED_FIELD 0x88 #define REP82_ERROR_INVALID_DOMAIN_PENDING 0x8A +#define REP82_ERROR_FILTERED_BY_HYPERVISOR 0x8B #define REP82_ERROR_TRANSPORT_FAIL 0x90 #define REP82_ERROR_PACKET_TRUNCATED 0xA0 #define REP82_ERROR_ZERO_BUFFER_LEN 0xB0 @@ -105,6 +106,7 @@ static inline int convert_error(struct zcrypt_queue *zq, case REP82_ERROR_INVALID_DOMAIN_PRECHECK: case REP82_ERROR_INVALID_DOMAIN_PENDING: case REP82_ERROR_INVALID_SPECIAL_CMD: + case REP82_ERROR_FILTERED_BY_HYPERVISOR: // REP88_ERROR_INVALID_KEY // '82' CEX2A // REP88_ERROR_OPERAND // '84' CEX2A // REP88_ERROR_OPERAND_EVEN_MOD // '85' CEX2A -- 2.20.1