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 721AEC3276E for ; Thu, 2 Jan 2020 22:21:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 46D3B21582 for ; Thu, 2 Jan 2020 22:21:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578003675; bh=HGgnOYkB19A8Cw6IPyxZwHC7IDJme7G/UiR6JnagRPE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=dDINp54rNqk52GjSHfRpgsjzUHNkW83bVtj8/uT3G1mn+f43LnXle6RT6uMKBQvQ2 2sYexqa5v5HK9VE60BHPu3VQkTd9+UcbWlAp+yOBq4xLCX2VFIKqTUZK/cltrWfbnX x2niOGoBWxbATVR2hAVxW4NO7AB/NdPkWYhAR0cg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728961AbgABWVO (ORCPT ); Thu, 2 Jan 2020 17:21:14 -0500 Received: from mail.kernel.org ([198.145.29.99]:39972 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728957AbgABWVN (ORCPT ); Thu, 2 Jan 2020 17:21:13 -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 856EE21582; Thu, 2 Jan 2020 22:21:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578003673; bh=HGgnOYkB19A8Cw6IPyxZwHC7IDJme7G/UiR6JnagRPE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fATuGpeOZryiEr1Pd76QvzL/ZTj3NwCXqrB0/S1q+9oUSMAy1YG0z6eUmsKuiIn4j 6ND6e8OeG8L08Vw+2hCmnmJA40dfdtxkbxf5LBsOO1B2copP10w1LDCrXf/F6DdpRm 5CDsL09NEIeDpjgPgd2PRX6nNpYLjYj6Ewa5OAp8= 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 4.19 066/114] s390/zcrypt: handle new reply code FILTERED_BY_HYPERVISOR Date: Thu, 2 Jan 2020 23:07:18 +0100 Message-Id: <20200102220035.719088798@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200102220029.183913184@linuxfoundation.org> References: <20200102220029.183913184@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@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 2e1a27bd97d1..2126f4cc6d37 100644 --- a/drivers/s390/crypto/zcrypt_error.h +++ b/drivers/s390/crypto/zcrypt_error.h @@ -62,6 +62,7 @@ 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 @@ -92,6 +93,7 @@ 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