From nobody Sun Feb 8 10:17:43 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linux.ibm.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 152718495106563.92817969954331; Thu, 24 May 2018 11:02:31 -0700 (PDT) Received: from localhost ([::1]:40108 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fLuZK-00015v-Dx for importer@patchew.org; Thu, 24 May 2018 14:02:30 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59865) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fLuVy-00079K-8f for qemu-devel@nongnu.org; Thu, 24 May 2018 13:59:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fLuVt-0006i1-BM for qemu-devel@nongnu.org; Thu, 24 May 2018 13:59:02 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:59026) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fLuVt-0006hX-1j for qemu-devel@nongnu.org; Thu, 24 May 2018 13:58:57 -0400 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w4OHs3uX021640 for ; Thu, 24 May 2018 13:58:55 -0400 Received: from e06smtp13.uk.ibm.com (e06smtp13.uk.ibm.com [195.75.94.109]) by mx0a-001b2d01.pphosted.com with ESMTP id 2j61p9sd2b-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 24 May 2018 13:58:55 -0400 Received: from localhost by e06smtp13.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Thu, 24 May 2018 18:58:49 +0100 Received: from d06av24.portsmouth.uk.ibm.com (mk.ibm.com [9.149.105.60]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w4OHwm2r6553864; Thu, 24 May 2018 17:58:48 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A4B2B42042; Thu, 24 May 2018 18:49:28 +0100 (BST) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 668A142045; Thu, 24 May 2018 18:49:28 +0100 (BST) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Thu, 24 May 2018 18:49:28 +0100 (BST) From: Halil Pasic To: Cornelia Huck Date: Thu, 24 May 2018 19:58:28 +0200 X-Mailer: git-send-email 2.16.3 In-Reply-To: <20180524175828.3143-1-pasic@linux.ibm.com> References: <20180524175828.3143-1-pasic@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18052417-0012-0000-0000-000005DA4299 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18052417-0013-0000-0000-000019579382 Message-Id: <20180524175828.3143-3-pasic@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-05-24_06:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1805240204 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PATCH v3 2/2] vfio-ccw: remove orb.c64 (64 bit data addresses) check X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Halil Pasic , Dong Jia Shi , qemu-s390x@nongnu.org, "Jason J. Herne" , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The vfio-ccw module does the check too, and there is actually no technical obstacle for supporting fmt 1 idaws. Let us be ready for the beautiful day when fmt 1 idaws become supported by the vfio-ccw kernel module. QEMU does not have to do a thing for that, except not insisting on this check. Signed-off-by: Halil Pasic Acked-by: Jason J. Herne Tested-by: Jason J. Herne --- hw/s390x/css.c | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/hw/s390x/css.c b/hw/s390x/css.c index 39ae5bbf7e..5424ea4562 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -1199,17 +1199,6 @@ static IOInstEnding sch_handle_start_func_passthroug= h(SubchDev *sch) assert(orb !=3D NULL); p->intparm =3D orb->intparm; } - - /* - * Only support prefetch enable mode. - * Only support 64bit addressing idal. - */ - if (!(orb->ctrl0 & ORB_CTRL0_MASK_C64)) { - warn_report("vfio-ccw requires PFCH and C64 flags set"); - sch_gen_unit_exception(sch); - css_inject_io_interrupt(sch); - return IOINST_CC_EXPECTED; - } return s390_ccw_cmd_request(sch); } =20 --=20 2.16.3