From patchwork Wed Jun 26 08:26:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 13712397 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 5167AC27C4F for ; Wed, 26 Jun 2024 08:29:03 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sMO0n-0007Q0-37; Wed, 26 Jun 2024 04:28:17 -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 1sMO0h-0007LK-Sw for qemu-devel@nongnu.org; Wed, 26 Jun 2024 04:28:12 -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 1sMO0Z-0007Aq-Nc for qemu-devel@nongnu.org; Wed, 26 Jun 2024 04:28:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1719390483; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=bZve/t/4IEVVs0YkFY83LrcVufG1gG2T8mz5Ir3gtRw=; b=HhFfKqonwjCUoE1JOeUcFxLW2WVLuZfg6F5+YYk9qAjRAR5hc5+4h2m90JuuwWI/b4dHoi 3kcOtw3elfgUVXB5G4/4jtkjP7gec47dxjQKY1RzuyTJ9kN1C08TjXlWjJnmybSA8W45pX NIqyWYaFOtl78k7dYpmAhLF7mtd66Ps= 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-520-Dg7AECljMLuwnfeKL0Nlmg-1; Wed, 26 Jun 2024 04:28:00 -0400 X-MC-Unique: Dg7AECljMLuwnfeKL0Nlmg-1 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (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 46CA919560AB; Wed, 26 Jun 2024 08:27:59 +0000 (UTC) Received: from laptop.redhat.com (unknown [10.39.193.191]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 554E61955E82; Wed, 26 Jun 2024 08:27:54 +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, alex.williamson@redhat.com Subject: [PATCH 4/7] HostIOMMUDevice: Introduce get_page_size_mask() callback Date: Wed, 26 Jun 2024 10:26:49 +0200 Message-ID: <20240626082727.1278530-5-eric.auger@redhat.com> In-Reply-To: <20240626082727.1278530-1-eric.auger@redhat.com> References: <20240626082727.1278530-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 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: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.151, 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: 2.1.29 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 This callback will be used to retrieve the page size mask supported along a given Host IOMMU device. Signed-off-by: Eric Auger Reviewed-by: Cédric Le Goater --- include/hw/vfio/vfio-container-base.h | 7 +++++++ include/sysemu/host_iommu_device.h | 8 ++++++++ hw/vfio/container.c | 10 ++++++++++ hw/vfio/iommufd.c | 11 +++++++++++ 4 files changed, 36 insertions(+) diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-container-base.h index 45d7c40fce..62a8b60d87 100644 --- a/include/hw/vfio/vfio-container-base.h +++ b/include/hw/vfio/vfio-container-base.h @@ -88,6 +88,13 @@ int vfio_container_query_dirty_bitmap(const VFIOContainerBase *bcontainer, GList *vfio_container_get_iova_ranges(const VFIOContainerBase *bcontainer); +static inline uint64_t +vfio_container_get_page_size_mask(const VFIOContainerBase *bcontainer) +{ + assert(bcontainer); + return bcontainer->pgsizes; +} + #define TYPE_VFIO_IOMMU "vfio-iommu" #define TYPE_VFIO_IOMMU_LEGACY TYPE_VFIO_IOMMU "-legacy" #define TYPE_VFIO_IOMMU_SPAPR TYPE_VFIO_IOMMU "-spapr" diff --git a/include/sysemu/host_iommu_device.h b/include/sysemu/host_iommu_device.h index 05c7324a0d..c1bf74ae2c 100644 --- a/include/sysemu/host_iommu_device.h +++ b/include/sysemu/host_iommu_device.h @@ -89,6 +89,14 @@ struct HostIOMMUDeviceClass { * @hiod: handle to the host IOMMU device */ GList* (*get_iova_ranges)(HostIOMMUDevice *hiod); + /** + * + * @get_page_size_mask: Return the page size mask supported along this + * @hiod Host IOMMU device + * + * @hiod: handle to the host IOMMU device + */ + uint64_t (*get_page_size_mask)(HostIOMMUDevice *hiod); }; /* diff --git a/hw/vfio/container.c b/hw/vfio/container.c index adeab1ac89..b5ce559a0d 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -1174,6 +1174,15 @@ hiod_legacy_vfio_get_iova_ranges(HostIOMMUDevice *hiod) return vfio_container_get_iova_ranges(vdev->bcontainer); } +static uint64_t +hiod_legacy_vfio_get_page_size_mask(HostIOMMUDevice *hiod) +{ + VFIODevice *vdev = hiod->agent; + + g_assert(vdev); + return vfio_container_get_page_size_mask(vdev->bcontainer); +} + static void vfio_iommu_legacy_instance_init(Object *obj) { VFIOContainer *container = VFIO_IOMMU_LEGACY(obj); @@ -1188,6 +1197,7 @@ static void hiod_legacy_vfio_class_init(ObjectClass *oc, void *data) hioc->realize = hiod_legacy_vfio_realize; hioc->get_cap = hiod_legacy_vfio_get_cap; hioc->get_iova_ranges = hiod_legacy_vfio_get_iova_ranges; + hioc->get_page_size_mask = hiod_legacy_vfio_get_page_size_mask; }; static const TypeInfo types[] = { diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index 211e7223f1..7b5f87a148 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -652,12 +652,23 @@ hiod_iommufd_vfio_get_iova_ranges(HostIOMMUDevice *hiod) return vfio_container_get_iova_ranges(vdev->bcontainer); } +static uint64_t +hiod_iommufd_vfio_get_page_size_mask(HostIOMMUDevice *hiod) +{ + VFIODevice *vdev = hiod->agent; + + g_assert(vdev); + return vfio_container_get_page_size_mask(vdev->bcontainer); +} + + 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; + hiodc->get_page_size_mask = hiod_iommufd_vfio_get_page_size_mask; }; static const TypeInfo types[] = {