From patchwork Thu Feb 6 21:45:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Farman X-Patchwork-Id: 1234636 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 48DBrD2WNdz9sRR for ; Fri, 7 Feb 2020 08:48:12 +1100 (AEDT) Received: from localhost ([::1]:46758 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1izp0M-0006Ls-7a for incoming@patchwork.ozlabs.org; Thu, 06 Feb 2020 16:48:10 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:41333) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1izoxb-0002vk-Se for qemu-devel@nongnu.org; Thu, 06 Feb 2020 16:45:21 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1izoxZ-0007HY-Qm for qemu-devel@nongnu.org; Thu, 06 Feb 2020 16:45:19 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:14704) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1izoxZ-0007Dm-Fk for qemu-devel@nongnu.org; Thu, 06 Feb 2020 16:45:17 -0500 Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 016LicF4129010 for ; Thu, 6 Feb 2020 16:45:16 -0500 Received: from e06smtp04.uk.ibm.com (e06smtp04.uk.ibm.com [195.75.94.100]) by mx0a-001b2d01.pphosted.com with ESMTP id 2y0mpnnsp3-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 06 Feb 2020 16:45:16 -0500 Received: from localhost by e06smtp04.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Thu, 6 Feb 2020 21:45:12 -0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 016LjAZC66257012 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 6 Feb 2020 21:45:10 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AC9AA52057; Thu, 6 Feb 2020 21:45:09 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTPS id 99B0B52054; Thu, 6 Feb 2020 21:45:09 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 4958) id 169FFE027F; Thu, 6 Feb 2020 22:45:09 +0100 (CET) From: Eric Farman To: Cornelia Huck Subject: [RFC PATCH v2 5/7] vfio-ccw: Add support for the crw region Date: Thu, 6 Feb 2020 22:45:07 +0100 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200206214509.16434-1-farman@linux.ibm.com> References: <20200206214509.16434-1-farman@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 20020621-0016-0000-0000-000002E464CA X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20020621-0017-0000-0000-000033474C4F Message-Id: <20200206214509.16434-6-farman@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-02-06_04:2020-02-06, 2020-02-06 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxlogscore=999 clxscore=1015 suspectscore=2 lowpriorityscore=0 adultscore=0 malwarescore=0 impostorscore=0 phishscore=0 mlxscore=0 bulkscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002060158 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.156.1 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jason Herne , Eric Farman , qemu-devel@nongnu.org, Halil Pasic , qemu-s390x@nongnu.org, Jared Rossi Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Farhan Ali The crw region can be used to obtain information about Channel Report Words (CRW) from vfio-ccw driver. Currently only channel path related CRWs are passed to QEMU from vfio-ccw driver. Signed-off-by: Farhan Ali Signed-off-by: Eric Farman --- Notes: v0->v1: [EF] - Fixed copy/paste error in error message (s/schib/CRW) hw/vfio/ccw.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c index e31de3ffd7..d2408f3357 100644 --- a/hw/vfio/ccw.c +++ b/hw/vfio/ccw.c @@ -44,6 +44,9 @@ struct VFIOCCWDevice { uint64_t schib_region_size; uint64_t schib_region_offset; struct ccw_schib_region *schib_region; + uint64_t crw_region_size; + uint64_t crw_region_offset; + struct ccw_crw_region *crw_region; EventNotifier io_notifier; bool force_orb_pfch; bool warned_orb_pfch; @@ -450,10 +453,24 @@ static void vfio_ccw_get_region(VFIOCCWDevice *vcdev, Error **errp) vcdev->schib_region = g_malloc(info->size); } + ret = vfio_get_dev_region_info(vdev, VFIO_REGION_TYPE_CCW, + VFIO_REGION_SUBTYPE_CCW_CRW, &info); + + if (!ret) { + vcdev->crw_region_size = info->size; + if (sizeof(*vcdev->crw_region) != vcdev->crw_region_size) { + error_setg(errp, "vfio: Unexpected size of the CRW region"); + goto out_err; + } + vcdev->crw_region_offset = info->offset; + vcdev->crw_region = g_malloc(info->size); + } + g_free(info); return; out_err: + g_free(vcdev->crw_region); g_free(vcdev->schib_region); g_free(vcdev->async_cmd_region); g_free(vcdev->io_region); @@ -463,6 +480,7 @@ out_err: static void vfio_ccw_put_region(VFIOCCWDevice *vcdev) { + g_free(vcdev->crw_region); g_free(vcdev->schib_region); g_free(vcdev->async_cmd_region); g_free(vcdev->io_region);