From patchwork Wed Jan 17 08:02:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 1887293 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=TX4xkckt; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4TFJNp06jCz23f0 for ; Wed, 17 Jan 2024 19:06:17 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rQ0um-0002JV-Hm; Wed, 17 Jan 2024 03:04:48 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rQ0uf-0002AF-Me for qemu-devel@nongnu.org; Wed, 17 Jan 2024 03:04:41 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rQ0ub-00033P-OL for qemu-devel@nongnu.org; Wed, 17 Jan 2024 03:04:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1705478677; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5nsKjRxVEJHSXPoYhVMa5N+yiqed+CHT2lIF6QJc32s=; b=TX4xkcktQNTk91ePCxkNqtJD5vzJ5kQgtAg24vmbPakGlTdm5FAqDiBLdPN+0bss9tFJy9 BVxUn4QiYrgP7N2WsQKUeqsOcck0DJ/G65pOecE7IlVAXh6TzFKMeJi1O/A+L9rXku1In5 3f8Jt42owUhZOGd8H+PbUgq6eMeFE/Y= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-163-FwoKoz-XMmSqSuKgv5P43A-1; Wed, 17 Jan 2024 03:04:33 -0500 X-MC-Unique: FwoKoz-XMmSqSuKgv5P43A-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id A716F811E86; Wed, 17 Jan 2024 08:04:32 +0000 (UTC) Received: from laptop.redhat.com (unknown [10.39.192.75]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4B18E1BDB0; Wed, 17 Jan 2024 08:04:30 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, jean-philippe@linaro.org, alex.williamson@redhat.com, peter.maydell@linaro.org, zhenzhong.duan@intel.com, peterx@redhat.com, yanghliu@redhat.com, pbonzini@redhat.com Cc: mst@redhat.com, clg@redhat.com Subject: [RFC 3/7] vfio/pci: Pass the usable IOVA ranges through PCIIOMMUOps Date: Wed, 17 Jan 2024 09:02:07 +0100 Message-ID: <20240117080414.316890-4-eric.auger@redhat.com> In-Reply-To: <20240117080414.316890-1-eric.auger@redhat.com> References: <20240117080414.316890-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 Received-SPF: pass client-ip=170.10.129.124; envelope-from=eric.auger@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -38 X-Spam_score: -3.9 X-Spam_bar: --- X-Spam_report: (-3.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.806, 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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Pass the collected usable IOVA regions using the PCIIOMMUOps set_host_iova_ranges() callback, if implemented. Signed-off-by: Eric Auger --- hw/vfio/pci.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index d7fe06715c..63937952bb 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -2485,6 +2485,28 @@ int vfio_pci_get_pci_hot_reset_info(VFIOPCIDevice *vdev, return 0; } +static int vfio_pci_set_iova_ranges(VFIOPCIDevice *vdev, Error **errp) +{ + VFIODevice *vbasedev = &vdev->vbasedev; + PCIDevice *pdev = &vdev->pdev; + VFIOContainerBase *bcontainer = vbasedev->bcontainer; + PCIBus *bus, *iommu_bus; + + if (!bcontainer->iova_ranges) { + return 0; + } + + bus = pci_get_bus(pdev); + iommu_bus = pci_device_iommu_bus(pdev); + if (iommu_bus && iommu_bus->iommu_ops && + iommu_bus->iommu_ops->set_host_iova_ranges) { + return iommu_bus->iommu_ops->set_host_iova_ranges( + bus, iommu_bus->iommu_opaque, + pdev->devfn, bcontainer->iova_ranges, errp); + } + return 0; +} + static int vfio_pci_hot_reset(VFIOPCIDevice *vdev, bool single) { VFIODevice *vbasedev = &vdev->vbasedev; @@ -3004,6 +3026,11 @@ static void vfio_realize(PCIDevice *pdev, Error **errp) goto error; } + ret = vfio_pci_set_iova_ranges(vdev, errp); + if (ret) { + goto error; + } + vfio_populate_device(vdev, &err); if (err) { error_propagate(errp, err);