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=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 C78D0C4363A for ; Mon, 26 Oct 2020 13:06:39 +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 1885420790 for ; Mon, 26 Oct 2020 13:06:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="elW8eOpG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1885420790 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:35166 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kX2Cr-0004WL-U9 for qemu-devel@archiver.kernel.org; Mon, 26 Oct 2020 09:06:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54420) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kX27g-0000uc-4g for qemu-devel@nongnu.org; Mon, 26 Oct 2020 09:01:19 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:22285) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kX27a-0002Pp-Si for qemu-devel@nongnu.org; Mon, 26 Oct 2020 09:01:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1603717268; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EofRE6LdoJGE7xHHb5ol7OLbdgmNvbQHrdVO6LrfsCk=; b=elW8eOpGlECZTkljHOhzipHdRhgQMb3A5ocPg6zXV08kXcpZgWUIwosNijB2JIc29pUgsw M1jHwdWjusUiwptkqMBW4PPBNMxwg/p1aciZdPKTU4ROpKqETkmLmc4BuLwwduXFyx1990 0ktLa9gP0GM7vUrFA/iaWC8UzCTkRGg= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-177-TsTuwTQkNSmPCIDS8j1bAw-1; Mon, 26 Oct 2020 09:01:07 -0400 X-MC-Unique: TsTuwTQkNSmPCIDS8j1bAw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3F2568064BF; Mon, 26 Oct 2020 13:01:03 +0000 (UTC) Received: from w520.home (ovpn-112-213.phx2.redhat.com [10.3.112.213]) by smtp.corp.redhat.com (Postfix) with ESMTP id 570855C1BB; Mon, 26 Oct 2020 13:00:57 +0000 (UTC) Date: Mon, 26 Oct 2020 07:00:56 -0600 From: Alex Williamson To: Kirti Wankhede Subject: Re: [PATCH v29 05/17] vfio: Add VM state change handler to know state of VM Message-ID: <20201026070056.42bb04de@w520.home> In-Reply-To: <1603704987-20977-6-git-send-email-kwankhede@nvidia.com> References: <1603704987-20977-1-git-send-email-kwankhede@nvidia.com> <1603704987-20977-6-git-send-email-kwankhede@nvidia.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=alex.williamson@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=alex.williamson@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/26 02:39:09 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: cohuck@redhat.com, cjia@nvidia.com, zhi.wang.linux@gmail.com, aik@ozlabs.ru, Zhengxiao.zx@Alibaba-inc.com, shuangtai.tst@alibaba-inc.com, qemu-devel@nongnu.org, peterx@redhat.com, eauger@redhat.com, artemp@nvidia.com, yi.l.liu@intel.com, quintela@redhat.com, ziye.yang@intel.com, armbru@redhat.com, mlevitsk@redhat.com, pasic@linux.ibm.com, felipe@nutanix.com, zhi.a.wang@intel.com, mcrossley@nvidia.com, kevin.tian@intel.com, yan.y.zhao@intel.com, dgilbert@redhat.com, changpeng.liu@intel.com, eskultet@redhat.com, Ken.Xue@amd.com, jonathan.davies@nutanix.com, pbonzini@redhat.com, dnigam@nvidia.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Mon, 26 Oct 2020 15:06:15 +0530 Kirti Wankhede wrote: > VM state change handler is called on change in VM's state. Based on > VM state, VFIO device state should be changed. > Added read/write helper functions for migration region. > Added function to set device_state. > > Signed-off-by: Kirti Wankhede > Reviewed-by: Neo Jia > Reviewed-by: Dr. David Alan Gilbert > Reviewed-by: Cornelia Huck > --- > hw/vfio/migration.c | 158 ++++++++++++++++++++++++++++++++++++++++++ > hw/vfio/trace-events | 2 + > include/hw/vfio/vfio-common.h | 4 ++ > 3 files changed, 164 insertions(+) > > diff --git a/hw/vfio/migration.c b/hw/vfio/migration.c > index fd7faf423cdc..65ce735d667b 100644 > --- a/hw/vfio/migration.c > +++ b/hw/vfio/migration.c [snip] > @@ -64,6 +216,9 @@ static int vfio_migration_init(VFIODevice *vbasedev, > ret = -EINVAL; > goto err; > } > + > + migration->vm_state = qemu_add_vm_change_state_handler(vfio_vmstate_change, > + vbasedev); > return 0; > > err: Fails to build, @migration is not defined. We could use vbasedev->migration or pull defining and setting @migration from patch 06. Thanks, Alex