From mboxrd@z Thu Jan 1 00:00:00 1970 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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 1D356ECDE44 for ; Wed, 31 Oct 2018 18:13:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E67ED2081B for ; Wed, 31 Oct 2018 18:13:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E67ED2081B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730123AbeKADMQ (ORCPT ); Wed, 31 Oct 2018 23:12:16 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:48504 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730101AbeKADMO (ORCPT ); Wed, 31 Oct 2018 23:12:14 -0400 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w9VIA3AB145311 for ; Wed, 31 Oct 2018 14:13:06 -0400 Received: from e06smtp03.uk.ibm.com (e06smtp03.uk.ibm.com [195.75.94.99]) by mx0a-001b2d01.pphosted.com with ESMTP id 2nffcddpx3-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 31 Oct 2018 14:13:06 -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) Wed, 31 Oct 2018 18:13:02 -0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w9VID0Wd6881694 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 31 Oct 2018 18:13:00 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AB54B11C058; Wed, 31 Oct 2018 18:13:00 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 436E811C050; Wed, 31 Oct 2018 18:13:00 +0000 (GMT) Received: from morel-ThinkPad-W530.boeblingen.de.ibm.com (unknown [9.152.224.73]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 31 Oct 2018 18:13:00 +0000 (GMT) From: Pierre Morel To: borntraeger@de.ibm.com Cc: alex.williamson@redhat.com, cohuck@redhat.com, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, frankja@linux.ibm.com, akrowiak@linux.ibm.com, pasic@linux.ibm.com, david@redhat.com, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, freude@linux.ibm.com, mimu@linux.ibm.com Subject: [PATCH v1 2/7] vfio: ap: VFIO AP Queue Interrupt Control Date: Wed, 31 Oct 2018 19:12:52 +0100 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1541009577-29656-1-git-send-email-pmorel@linux.ibm.com> References: <1541009577-29656-1-git-send-email-pmorel@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18103118-0012-0000-0000-000002C13608 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18103118-0013-0000-0000-000020F5635B Message-Id: <1541009577-29656-3-git-send-email-pmorel@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-10-31_06:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=876 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1810310150 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We define two VFIO ioctl command to setup and clear the AP Queues interrupt. Arguments passed by the guest are: - the apqn, AP queue number - the Notification by address - the identifier of the previously associated adapter Signed-off-by: Pierre Morel --- include/uapi/linux/vfio.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h index f378b9802d8b..f13079bb28af 100644 --- a/include/uapi/linux/vfio.h +++ b/include/uapi/linux/vfio.h @@ -816,6 +816,28 @@ struct vfio_iommu_spapr_tce_remove { }; #define VFIO_IOMMU_SPAPR_TCE_REMOVE _IO(VFIO_TYPE, VFIO_BASE + 20) +/** + * VFIO_AP_SET_IRQ - _IOWR(VFIO_TYPE, VFIO_BASE + 21, struct vfio_ap_aqic) + * + * Setup IRQ for an AP Queue + * @cmd contains the AP queue number (apqn) + * @status receives the resulting status of the command + * @nib is the Notification Indicator byte address + * @adapter_id allows to retrieve the associated adapter + */ +struct vfio_ap_aqic { + __u32 argsz; + __u32 flags; + /* in */ + __u64 cmd; + __u64 status; + __u64 nib; + __u32 adapter_id; +}; +#define VFIO_AP_SET_IRQ _IO(VFIO_TYPE, VFIO_BASE + 21) +#define VFIO_AP_CLEAR_IRQ _IO(VFIO_TYPE, VFIO_BASE + 22) + /* ***************************************************************** */ + #endif /* _UAPIVFIO_H */ -- 2.17.0