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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 29B7CC27C75 for ; Thu, 13 Jun 2024 09:24:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sHgh7-0004By-FS; Thu, 13 Jun 2024 05:24:33 -0400 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 1sHgh4-0004BE-JI for qemu-devel@nongnu.org; Thu, 13 Jun 2024 05:24:30 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sHgh3-0005W7-3K for qemu-devel@nongnu.org; Thu, 13 Jun 2024 05:24:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1718270668; 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=87mOr6p+QHnpMpdhUiG49G5WeCvYei66RFnDldjidRM=; b=TM2nFNR8YSyfbI4evftplCCnvDC1rLeDjAENWa4W7bOfUEjFXyjJt/SHBofnmArYJc5Nfr 8G5ZzSCNJP/ZSmVmWGvLG5TImfuyMaNq+ox0kWxzUe55PqtYYAihIrlfZZ9x+Wir0PLVAl weX46zz96c50nWJywP1lYy/imosLpaM= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-428-WltddxogO-iSOJk02OwAwg-1; Thu, 13 Jun 2024 05:24:26 -0400 X-MC-Unique: WltddxogO-iSOJk02OwAwg-1 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (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 mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 04E1719560B4; Thu, 13 Jun 2024 09:24:25 +0000 (UTC) Received: from laptop.redhat.com (unknown [10.39.193.191]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 314171956050; Thu, 13 Jun 2024 09:24:19 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, mst@redhat.com, jean-philippe@linaro.org, peter.maydell@linaro.org, clg@redhat.com, yanghliu@redhat.com, zhenzhong.duan@intel.com Cc: alex.williamson@redhat.com, jasowang@redhat.com, pbonzini@redhat.com, berrange@redhat.com Subject: [PATCH v3 3/7] HostIOMMUDevice: Introduce get_iova_ranges callback Date: Thu, 13 Jun 2024 11:20:05 +0200 Message-ID: <20240613092359.847145-4-eric.auger@redhat.com> In-Reply-To: <20240613092359.847145-1-eric.auger@redhat.com> References: <20240613092359.847145-1-eric.auger@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass client-ip=170.10.133.124; envelope-from=eric.auger@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 11 X-Spam_score: 1.1 X-Spam_bar: + X-Spam_report: (1.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.143, 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, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Introduce a new HostIOMMUDevice callback that allows to retrieve the usable IOVA ranges. Implement this callback in the legacy VFIO and IOMMUFD VFIO host iommu devices. This relies on the VFIODevice agent's base container iova_ranges resource. Signed-off-by: Eric Auger --- v2 -> v3: - add g_assert(vdev) --- include/sysemu/host_iommu_device.h | 8 ++++++++ hw/vfio/container.c | 16 ++++++++++++++++ hw/vfio/iommufd.c | 16 ++++++++++++++++ 3 files changed, 40 insertions(+) diff --git a/include/sysemu/host_iommu_device.h b/include/sysemu/host_iommu_device.h index 3e5f058e7b..40e0fa13ef 100644 --- a/include/sysemu/host_iommu_device.h +++ b/include/sysemu/host_iommu_device.h @@ -80,6 +80,14 @@ struct HostIOMMUDeviceClass { * i.e., HOST_IOMMU_DEVICE_CAP_AW_BITS. */ int (*get_cap)(HostIOMMUDevice *hiod, int cap, Error **errp); + /** + * @get_iova_ranges: Return the list of usable iova_ranges along with + * @hiod Host IOMMU device + * + * @hiod: handle to the host IOMMU device + * @errp: error handle + */ + GList* (*get_iova_ranges)(HostIOMMUDevice *hiod, Error **errp); }; /* diff --git a/hw/vfio/container.c b/hw/vfio/container.c index b728b978a2..c48749c089 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -1164,12 +1164,28 @@ static int hiod_legacy_vfio_get_cap(HostIOMMUDevice *hiod, int cap, } } +static GList * +hiod_legacy_vfio_get_iova_ranges(HostIOMMUDevice *hiod, Error **errp) +{ + VFIODevice *vdev = hiod->agent; + GList *l = NULL; + + g_assert(vdev); + + if (vdev->bcontainer) { + l = g_list_copy(vdev->bcontainer->iova_ranges); + } + + return l; +} + static void hiod_legacy_vfio_class_init(ObjectClass *oc, void *data) { HostIOMMUDeviceClass *hioc = HOST_IOMMU_DEVICE_CLASS(oc); hioc->realize = hiod_legacy_vfio_realize; hioc->get_cap = hiod_legacy_vfio_get_cap; + hioc->get_iova_ranges = hiod_legacy_vfio_get_iova_ranges; }; static const TypeInfo types[] = { diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index dbdae1adbb..e502081c2a 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -645,11 +645,27 @@ static bool hiod_iommufd_vfio_realize(HostIOMMUDevice *hiod, void *opaque, return true; } +static GList * +hiod_iommufd_vfio_get_iova_ranges(HostIOMMUDevice *hiod, Error **errp) +{ + VFIODevice *vdev = hiod->agent; + GList *l = NULL; + + g_assert(vdev); + + if (vdev->bcontainer) { + l = g_list_copy(vdev->bcontainer->iova_ranges); + } + + return l; +} + static void hiod_iommufd_vfio_class_init(ObjectClass *oc, void *data) { HostIOMMUDeviceClass *hiodc = HOST_IOMMU_DEVICE_CLASS(oc); hiodc->realize = hiod_iommufd_vfio_realize; + hiodc->get_iova_ranges = hiod_iommufd_vfio_get_iova_ranges; }; static const TypeInfo types[] = { -- 2.41.0