From patchwork Fri Apr 17 02:34:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Farman X-Patchwork-Id: 284260 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=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 F0C2DC2BA2B for ; Fri, 17 Apr 2020 02:37:19 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C2CFF221E8 for ; Fri, 17 Apr 2020 02:37:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C2CFF221E8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41472 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jPGsY-0006b6-W2 for qemu-devel@archiver.kernel.org; Thu, 16 Apr 2020 22:37:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41290) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jPGq9-0003ac-TK for qemu-devel@nongnu.org; Thu, 16 Apr 2020 22:34:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jPGq8-0002Ef-Gd for qemu-devel@nongnu.org; Thu, 16 Apr 2020 22:34:49 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:36140) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jPGq8-0002DY-8Z for qemu-devel@nongnu.org; Thu, 16 Apr 2020 22:34:48 -0400 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 03H2XRCw051026 for ; Thu, 16 Apr 2020 22:34:47 -0400 Received: from e06smtp03.uk.ibm.com (e06smtp03.uk.ibm.com [195.75.94.99]) by mx0a-001b2d01.pphosted.com with ESMTP id 30f37agsxr-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 16 Apr 2020 22:34:47 -0400 Received: from localhost by e06smtp03.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) Fri, 17 Apr 2020 03:34:23 +0100 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 03H2YenF54198466 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Apr 2020 02:34:41 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D3AA011C052; Fri, 17 Apr 2020 02:34:40 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C0BF511C04C; Fri, 17 Apr 2020 02:34:40 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Fri, 17 Apr 2020 02:34:40 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 4958) id 794E5E0378; Fri, 17 Apr 2020 04:34:40 +0200 (CEST) From: Eric Farman To: qemu-devel@nongnu.org, qemu-s390x@nongnu.org Subject: [PATCH v3 4/7] vfio-ccw: Add support for the crw region Date: Fri, 17 Apr 2020 04:34:37 +0200 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200417023440.70514-1-farman@linux.ibm.com> References: <20200417023440.70514-1-farman@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 20041702-0012-0000-0000-000003A5E755 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20041702-0013-0000-0000-000021E3299C Message-Id: <20200417023440.70514-5-farman@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.676 definitions=2020-04-16_10:2020-04-14, 2020-04-16 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 spamscore=0 impostorscore=0 adultscore=0 priorityscore=1501 mlxlogscore=999 suspectscore=2 malwarescore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004170019 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: Halil Pasic , Jason Herne , Eric Farman , Cornelia Huck , Jared Rossi Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.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 8aa224bf43..db565b6f38 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; @@ -449,10 +452,24 @@ 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); @@ -462,6 +479,7 @@ 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);