From nobody Mon Feb 9 02:27:55 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1604465986; cv=none; d=zohomail.com; s=zohoarc; b=OqJEZgbJN0jJMjpTuk8+0MbIg8ib/ZJ3nWoy+dKXL87bcSE/1OK3zcnnYBHEwBleAefEU2NAgFkHN1gWDw+hdGp7JYZ9bP82llCRm+p+fQS/MTVZcJjWmfoL9hnQfihVNMeMkwpCUiiIklMigJ5Er8VUOsamRXQmho2dihoKiuA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1604465986; h=Content-Type:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=FfMG5NPSSgbiHzXp+0EZ66dpqrizcgkZqiSRInNVyXY=; b=GRW5C5p9oLSQUqTtSk+bPePjkFcp6wN+fFlGZ82burfKNcsHztdE+WVke+p3hIlS/JTRTxo0tuBkhTD1hZn0O720yk0RBNUKxb9ENtU+Y0/NW7EWTysNUVekzKwhMhvnf+WY0LfH31FX/8ZjniQCrRZ419dsoQ8jxkAPJfV+63o= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1604465986592308.42097871121837; Tue, 3 Nov 2020 20:59:46 -0800 (PST) Received: from localhost ([::1]:37368 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kaAtd-0002MP-Af for importer@patchew.org; Tue, 03 Nov 2020 23:59:45 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:60030) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kaAoR-0003Ff-Ip for qemu-devel@nongnu.org; Tue, 03 Nov 2020 23:54:23 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:27963) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kaAoP-0005ZN-Qq for qemu-devel@nongnu.org; Tue, 03 Nov 2020 23:54:23 -0500 Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-488-nO6vikAFPr2n7MszJ0lVdA-1; Tue, 03 Nov 2020 23:51:35 -0500 Received: by mail-wm1-f70.google.com with SMTP id t21so348583wmt.8 for ; Tue, 03 Nov 2020 20:51:34 -0800 (PST) Received: from redhat.com (bzq-79-176-118-93.red.bezeqint.net. [79.176.118.93]) by smtp.gmail.com with ESMTPSA id b4sm859043wro.57.2020.11.03.20.51.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Nov 2020 20:51:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1604465661; 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: in-reply-to:in-reply-to:references:references; bh=FfMG5NPSSgbiHzXp+0EZ66dpqrizcgkZqiSRInNVyXY=; b=LIMrDMcTtG6ccw5U4RaE6BD21x8hQCLZ+wGGDqBdksYO4U+RbiwkYzTm9NKypz+Qn6NoYy ZqzCcbagMWC2ggVJECNxffeV92YXhGCcLgDSa6hVjOLPVVsLG9pzk/peDejyTMA55TComu 9FQEmpMB5EFdFh0bP8qMBCDonAm/daw= X-MC-Unique: nO6vikAFPr2n7MszJ0lVdA-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=FfMG5NPSSgbiHzXp+0EZ66dpqrizcgkZqiSRInNVyXY=; b=jdRaGKbw+KWp6ymd8oEi/A1+Tigvpp43mtP7KSqNToo4EFRgtfiWdrQ2mUQapc92t7 PYzpmuS8z+kLC/XEHmcEwVMRDfEx3rRfdaVXhWP4lWymRUyOZ7OpcEwktoStVKqEZ/yb zhKEVYXIcgX+V8wXCCZ2CNE79x4sg9fX++77L4glVsLN7peGNKSUYiY/ppeuI+sfmDMw z7YkY5dYmzIKqnwRiPmMGMFsjZUbFO608jWUW8FnLeDSefKkxKOsXHrbUvIiE6KM2EqV INVDEVFt4HqONclepNxhZxAq+wmme2JDDJmhda1t0BiIAofWMQ67tlcVfmVmbuXIKvtc OKRw== X-Gm-Message-State: AOAM533dIoAscMy2VaJgMWwAZKqZHRYIo/C52TvUJSaEtvxUJ4W/UIBZ YdijAFTLDQpoHYnz7EYZRbcD71ZGwx+4KTuvVdS3ZFMzoWb5n54tnOT/qTDkSzaOetNCuheTYVV psNlXYrMM7JJUs70= X-Received: by 2002:a1c:9c51:: with SMTP id f78mr2538780wme.189.1604465493277; Tue, 03 Nov 2020 20:51:33 -0800 (PST) X-Google-Smtp-Source: ABdhPJxfm37DJTuT+0bspB635VYK6q311o6nEx6dVRlyDbSkPk9sNUvqdY6sImBnIKAYWRS56SqDNg== X-Received: by 2002:a1c:9c51:: with SMTP id f78mr2538768wme.189.1604465493085; Tue, 03 Nov 2020 20:51:33 -0800 (PST) Date: Tue, 3 Nov 2020 23:51:30 -0500 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Subject: [PULL v2 18/38] virtio-iommu: Add notify_flag_changed() memory region callback Message-ID: <20201104044937.226370-19-mst@redhat.com> References: <20201104044937.226370-1-mst@redhat.com> MIME-Version: 1.0 In-Reply-To: <20201104044937.226370-1-mst@redhat.com> X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/03 00:03:41 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: Peter Maydell , Bharat Bhushan , Jean-Philippe Brucker , Eric Auger Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Bharat Bhushan Add notify_flag_changed() to notice when memory listeners are added and removed. Acked-by: Eric Auger Signed-off-by: Bharat Bhushan Signed-off-by: Jean-Philippe Brucker Message-Id: <20201030180510.747225-7-jean-philippe@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/virtio-iommu.c | 14 ++++++++++++++ hw/virtio/trace-events | 2 ++ 2 files changed, 16 insertions(+) diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c index 985257c88f..78e07aa40a 100644 --- a/hw/virtio/virtio-iommu.c +++ b/hw/virtio/virtio-iommu.c @@ -886,6 +886,19 @@ unlock: qemu_mutex_unlock(&s->mutex); } =20 +static int virtio_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu_mr, + IOMMUNotifierFlag old, + IOMMUNotifierFlag new, + Error **errp) +{ + if (old =3D=3D IOMMU_NOTIFIER_NONE) { + trace_virtio_iommu_notify_flag_add(iommu_mr->parent_obj.name); + } else if (new =3D=3D IOMMU_NOTIFIER_NONE) { + trace_virtio_iommu_notify_flag_del(iommu_mr->parent_obj.name); + } + return 0; +} + static void virtio_iommu_device_realize(DeviceState *dev, Error **errp) { VirtIODevice *vdev =3D VIRTIO_DEVICE(dev); @@ -1116,6 +1129,7 @@ static void virtio_iommu_memory_region_class_init(Obj= ectClass *klass, =20 imrc->translate =3D virtio_iommu_translate; imrc->replay =3D virtio_iommu_replay; + imrc->notify_flag_changed =3D virtio_iommu_notify_flag_changed; } =20 static const TypeInfo virtio_iommu_info =3D { diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index ea3c3b25ad..982d0002a6 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -109,6 +109,8 @@ virtio_iommu_fill_resv_property(uint32_t devid, uint8_t= subtype, uint64_t start, virtio_iommu_notify_map(const char *name, uint64_t virt_start, uint64_t vi= rt_end, uint64_t phys_start, uint32_t flags) "mr=3D%s virt_start=3D0x%"PRIx= 64" virt_end=3D0x%"PRIx64" phys_start=3D0x%"PRIx64" flags=3D%d" virtio_iommu_notify_unmap(const char *name, uint64_t virt_start, uint64_t = virt_end) "mr=3D%s virt_start=3D0x%"PRIx64" virt_end=3D0x%"PRIx64 virtio_iommu_remap(const char *name, uint64_t virt_start, uint64_t virt_en= d, uint64_t phys_start) "mr=3D%s virt_start=3D0x%"PRIx64" virt_end=3D0x%"PR= Ix64" phys_start=3D0x%"PRIx64 +virtio_iommu_notify_flag_add(const char *name) "add notifier to mr %s" +virtio_iommu_notify_flag_del(const char *name) "del notifier from mr %s" =20 # virtio-mem.c virtio_mem_send_response(uint16_t type) "type=3D%" PRIu16 --=20 MST