From patchwork Fri Mar 18 14:21:22 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cornelia Huck X-Patchwork-Id: 8619841 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B82F8C0553 for ; Fri, 18 Mar 2016 14:22:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 25F5F20386 for ; Fri, 18 Mar 2016 14:22:11 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 705972037F for ; Fri, 18 Mar 2016 14:22:06 +0000 (UTC) Received: from localhost ([::1]:43903 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agvHx-00008K-MM for patchwork-qemu-devel@patchwork.kernel.org; Fri, 18 Mar 2016 10:22:05 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52381) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agvHh-0008V0-6w for qemu-devel@nongnu.org; Fri, 18 Mar 2016 10:21:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1agvHb-0006zT-Ei for qemu-devel@nongnu.org; Fri, 18 Mar 2016 10:21:49 -0400 Received: from e06smtp06.uk.ibm.com ([195.75.94.102]:35360) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agvHb-0006y6-5g for qemu-devel@nongnu.org; Fri, 18 Mar 2016 10:21:43 -0400 Received: from localhost by e06smtp06.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Fri, 18 Mar 2016 14:21:39 -0000 X-IBM-Helo: d06dlp03.portsmouth.uk.ibm.com X-IBM-MailFrom: cornelia.huck@de.ibm.com X-IBM-RcptTo: qemu-devel@nongnu.org Received: from b06cxnps4074.portsmouth.uk.ibm.com (d06relay11.portsmouth.uk.ibm.com [9.149.109.196]) by d06dlp03.portsmouth.uk.ibm.com (Postfix) with ESMTP id B794A1B0805F for ; Fri, 18 Mar 2016 14:22:08 +0000 (GMT) Received: from d06av05.portsmouth.uk.ibm.com (d06av05.portsmouth.uk.ibm.com [9.149.37.229]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u2IELcCk2949596 for ; Fri, 18 Mar 2016 14:21:38 GMT Received: from d06av05.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av05.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u2IELcCw004018 for ; Fri, 18 Mar 2016 08:21:38 -0600 Received: from gondolin.boeblingen.de.ibm.com (dyn-9-152-224-197.boeblingen.de.ibm.com [9.152.224.197]) by d06av05.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u2IELbuo003985 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 18 Mar 2016 08:21:38 -0600 From: Cornelia Huck To: qemu-devel@nongnu.org Date: Fri, 18 Mar 2016 15:21:22 +0100 Message-Id: <1458310895-29044-2-git-send-email-cornelia.huck@de.ibm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1458310895-29044-1-git-send-email-cornelia.huck@de.ibm.com> References: <1458310895-29044-1-git-send-email-cornelia.huck@de.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16031814-0025-0000-0000-000006CF193E X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 195.75.94.102 Cc: Cornelia Huck , borntraeger@de.ibm.com, jfrei@linux.vnet.ibm.com, agraf@suse.de, "Eugene \(jno\) Dvurechenski" Subject: [Qemu-devel] [PATCH for-2.6 01/14] pc-bios/s390-ccw: add more disk layout checks X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: "Eugene (jno) Dvurechenski" Experiments showed possibility of few more "misconfigurations" in disk layout. They are reported now. Acked-by: Cornelia Huck Reviewed-by: David Hildenbrand Signed-off-by: Eugene (jno) Dvurechenski Signed-off-by: Cornelia Huck --- pc-bios/s390-ccw/bootmap.c | 4 ++++ pc-bios/s390-ccw/bootmap.h | 9 +++++++++ 2 files changed, 13 insertions(+) diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c index 4925302..ca60c33 100644 --- a/pc-bios/s390-ccw/bootmap.c +++ b/pc-bios/s390-ccw/bootmap.c @@ -415,7 +415,11 @@ static void ipl_scsi(void) /* The 0-th block (MBR) was already read into sec[] */ sclp_print("Using SCSI scheme.\n"); + debug_print_int("MBR Version", mbr->version_id); + IPL_check(mbr->version_id == 1, + "Unknown MBR layout version, assuming version 1"); debug_print_int("program table", mbr->blockptr.blockno); + IPL_assert(mbr->blockptr.blockno, "No Program Table"); /* Parse the program table */ read_block(mbr->blockptr.blockno, sec, diff --git a/pc-bios/s390-ccw/bootmap.h b/pc-bios/s390-ccw/bootmap.h index f98765b..07e3b20 100644 --- a/pc-bios/s390-ccw/bootmap.h +++ b/pc-bios/s390-ccw/bootmap.h @@ -273,6 +273,15 @@ static inline void IPL_assert(bool term, const char *message) } } +static inline void IPL_check(bool term, const char *message) +{ + if (!term) { + sclp_print("\n! WARNING: "); + sclp_print(message); + sclp_print(" !\n"); + } +} + static const unsigned char ebc2asc[256] = /* 0123456789abcdef0123456789abcdef */ "................................" /* 1F */