From patchwork Mon May 6 13:11:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre Morel X-Patchwork-Id: 10931043 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C3AD814B6 for ; Mon, 6 May 2019 13:11:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B3D3828630 for ; Mon, 6 May 2019 13:11:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B1FA9287FD; Mon, 6 May 2019 13:11:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2E20928630 for ; Mon, 6 May 2019 13:11:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726250AbfEFNLT (ORCPT ); Mon, 6 May 2019 09:11:19 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:39970 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726255AbfEFNLT (ORCPT ); Mon, 6 May 2019 09:11:19 -0400 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x46D76QE141719 for ; Mon, 6 May 2019 09:11:17 -0400 Received: from e06smtp03.uk.ibm.com (e06smtp03.uk.ibm.com [195.75.94.99]) by mx0b-001b2d01.pphosted.com with ESMTP id 2sam04c9tr-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 06 May 2019 09:11:17 -0400 Received: from localhost by e06smtp03.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 6 May 2019 14:11:15 +0100 Received: from b06cxnps4075.portsmouth.uk.ibm.com (9.149.109.197) by e06smtp03.uk.ibm.com (192.168.101.133) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 6 May 2019 14:11:13 +0100 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x46DBB9A58982428 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 6 May 2019 13:11:11 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 56D0AA4040; Mon, 6 May 2019 13:11:11 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F369DA4055; Mon, 6 May 2019 13:11:10 +0000 (GMT) Received: from morel-ThinkPad-W530.numericable.fr (unknown [9.145.46.119]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 6 May 2019 13:11:10 +0000 (GMT) From: Pierre Morel To: cohuck@redhat.com Cc: pasic@linux.vnet.ibm.com, farman@linux.ibm.com, alifm@linux.ibm.com, linux-s390@vger.kernel.org, kvm@vger.kernel.org Subject: [PATCH v1 0/2] New state handling for VFIO CCW Date: Mon, 6 May 2019 15:11:08 +0200 X-Mailer: git-send-email 2.7.4 X-TM-AS-GCONF: 00 x-cbid: 19050613-0012-0000-0000-00000318D2C8 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19050613-0013-0000-0000-000021514BE7 Message-Id: <1557148270-19901-1-git-send-email-pmorel@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-05-06_08:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=5 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=569 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1905060114 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Hi, I did not integrate all my patches for state handling like I had before but just two patches which seems interresting to me: - The first one allows the device ti be used only when a guest is currently using it. Otherwise the device is in NOT_OPER state - The second rework the sch_event callback: AFAIU we can not consider that the event moves the device in IDLE state. I think we better let it as it is currently. Regards, Pierre Pierre Morel (2): vfio-ccw: Set subchannel state STANDBY on open vfio-ccw: rework sch_event drivers/s390/cio/vfio_ccw_drv.c | 21 ++------------------- drivers/s390/cio/vfio_ccw_fsm.c | 7 +------ drivers/s390/cio/vfio_ccw_ops.c | 36 ++++++++++++++++++------------------ drivers/s390/cio/vfio_ccw_private.h | 1 - 4 files changed, 21 insertions(+), 44 deletions(-)