From patchwork Tue Sep 19 07:46:46 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 815328 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xxFbv1R27z9s7M for ; Tue, 19 Sep 2017 17:58:03 +1000 (AEST) Received: from localhost ([::1]:40641 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1duDPt-0007SZ-7Y for incoming@patchwork.ozlabs.org; Tue, 19 Sep 2017 03:58:01 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48457) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1duDIZ-0001lv-69 for qemu-devel@nongnu.org; Tue, 19 Sep 2017 03:50:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1duDIY-0001yc-0y for qemu-devel@nongnu.org; Tue, 19 Sep 2017 03:50:27 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55842) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1duDIM-0001qs-6r; Tue, 19 Sep 2017 03:50:14 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2A53F356F6; Tue, 19 Sep 2017 07:50:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 2A53F356F6 Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=eric.auger@redhat.com Received: from localhost.localdomain.com (ovpn-116-197.ams2.redhat.com [10.36.116.197]) by smtp.corp.redhat.com (Postfix) with ESMTP id E6E9261342; Tue, 19 Sep 2017 07:49:59 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, peter.maydell@linaro.org, alex.williamson@redhat.com, mst@redhat.com, qemu-arm@nongnu.org, qemu-devel@nongnu.org, jean-philippe.brucker@arm.com Date: Tue, 19 Sep 2017 09:46:46 +0200 Message-Id: <1505807208-9063-15-git-send-email-eric.auger@redhat.com> In-Reply-To: <1505807208-9063-1-git-send-email-eric.auger@redhat.com> References: <1505807208-9063-1-git-send-email-eric.auger@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Tue, 19 Sep 2017 07:50:13 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [RFC v4 14/16] hw/vfio/common: Set the IOMMUMemoryRegion supported page sizes X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: wei@redhat.com, kevin.tian@intel.com, marc.zyngier@arm.com, tn@semihalf.com, will.deacon@arm.com, drjones@redhat.com, peterx@redhat.com, linuc.decode@gmail.com, bharat.bhushan@nxp.com, christoffer.dall@linaro.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" We store the page_size_mask in the container and on vfio_listener_region_add(), the information is conveyed to the IOMMUMemoryRegion. Signed-off-by: Eric Auger --- hw/vfio/common.c | 5 +++++ include/hw/vfio/vfio-common.h | 1 + 2 files changed, 6 insertions(+) diff --git a/hw/vfio/common.c b/hw/vfio/common.c index 7b2924c..468a259 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -480,6 +480,7 @@ static void vfio_listener_region_add(MemoryListener *listener, if (memory_region_is_iommu(section->mr)) { VFIOGuestIOMMU *giommu; IOMMUMemoryRegion *iommu_mr = IOMMU_MEMORY_REGION(section->mr); + IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_GET_CLASS(iommu_mr); trace_vfio_listener_region_add_iommu(iova, end); /* @@ -500,6 +501,9 @@ static void vfio_listener_region_add(MemoryListener *listener, IOMMU_NOTIFIER_ALL, section->offset_within_region, int128_get64(llend)); + if (imrc->set_page_size_mask) { + imrc->set_page_size_mask(iommu_mr, container->page_size_mask); + } QLIST_INSERT_HEAD(&container->giommu_list, giommu, giommu_next); memory_region_register_iommu_notifier(section->mr, &giommu->n); @@ -1024,6 +1028,7 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, /* Assume 4k IOVA page size */ info.iova_pgsizes = 4096; } + container->page_size_mask = info.iova_pgsizes; vfio_host_win_add(container, 0, (hwaddr)-1, info.iova_pgsizes); } else if (ioctl(fd, VFIO_CHECK_EXTENSION, VFIO_SPAPR_TCE_IOMMU) || ioctl(fd, VFIO_CHECK_EXTENSION, VFIO_SPAPR_TCE_v2_IOMMU)) { diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index f3a2ac9..221cc30 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -79,6 +79,7 @@ typedef struct VFIOContainer { int fd; /* /dev/vfio/vfio, empowered by the attached groups */ MemoryListener listener; MemoryListener prereg_listener; + uint64_t page_size_mask; /* page sizes supported for this container */ unsigned iommu_type; int error; bool initialized;