From patchwork Mon Oct 16 08:32:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Duan, Zhenzhong" X-Patchwork-Id: 13422744 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 2D312C46CA1 for ; Mon, 16 Oct 2023 08:51:42 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qsJH7-0000GZ-Kz; Mon, 16 Oct 2023 04:48:33 -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 1qsJGz-0008Lf-BU for qemu-devel@nongnu.org; Mon, 16 Oct 2023 04:48:28 -0400 Received: from mgamail.intel.com ([192.55.52.151]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qsJGu-0001FN-W5 for qemu-devel@nongnu.org; Mon, 16 Oct 2023 04:48:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1697446101; x=1728982101; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Y+HkCVoou1khEr9z+ilkcNKYFw+WgtgDANUYD38SDLY=; b=aUJwlPXssAgDFeAoPes55AgJsg6FhFqd/F5Yqf2W1GNy4d2BZ7MC08ot J56JtEKgCxRBNkaAeL9P9DWLsMjPkksanMvJoZfO7f1G5koSKU7lqkXan fobEFewhEE13teAOdvywYJceXBVoWaTPO8B9FTOHID6i+jWPZwo177qPR zkIqa8fFJq0GZLLQmW5GFxKtzQIaofuF+wNTFytrzxWLwV6tuVTx54m16 WO9Px23AFfLTU3Peu4g7O0E3z1gMDNgk9kMhVlrRiX7o1pc8tL4iHCCMq FoTg5mDUtSq1vgnTxnpT/YHlZaUx5yZ3VDU8CTIZPaXk0Yqs4sIVT7V+T Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10863"; a="365737646" X-IronPort-AV: E=Sophos;i="6.03,229,1694761200"; d="scan'208";a="365737646" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Oct 2023 01:48:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10863"; a="749222939" X-IronPort-AV: E=Sophos;i="6.03,229,1694761200"; d="scan'208";a="749222939" Received: from duan-server-s2600bt.bj.intel.com ([10.240.192.147]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Oct 2023 01:48:14 -0700 From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, joao.m.martins@oracle.com, eric.auger@redhat.com, peterx@redhat.com, jasowang@redhat.com, kevin.tian@intel.com, yi.l.liu@intel.com, yi.y.sun@intel.com, chao.p.peng@intel.com, Yi Sun , Zhenzhong Duan Subject: [PATCH v2 14/27] vfio/container: Move dirty_pgsizes and max_dirty_bitmap_size to base container Date: Mon, 16 Oct 2023 16:32:10 +0800 Message-Id: <20231016083223.1519410-15-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231016083223.1519410-1-zhenzhong.duan@intel.com> References: <20231016083223.1519410-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=192.55.52.151; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_MED=-2.3, 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 From: Eric Auger No functional change intended. Signed-off-by: Eric Auger Signed-off-by: Yi Liu Signed-off-by: Yi Sun Signed-off-by: Zhenzhong Duan --- include/hw/vfio/vfio-common.h | 2 -- include/hw/vfio/vfio-container-base.h | 2 ++ hw/vfio/container.c | 11 ++++++----- 3 files changed, 8 insertions(+), 7 deletions(-) diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index 8771160849..9f2b86581b 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -80,8 +80,6 @@ typedef struct VFIOLegacyContainer { int fd; /* /dev/vfio/vfio, empowered by the attached groups */ MemoryListener prereg_listener; unsigned iommu_type; - uint64_t dirty_pgsizes; - uint64_t max_dirty_bitmap_size; QLIST_HEAD(, VFIOGroup) group_list; } VFIOLegacyContainer; diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-container-base.h index 96d33495c1..9a5971a00a 100644 --- a/include/hw/vfio/vfio-container-base.h +++ b/include/hw/vfio/vfio-container-base.h @@ -79,6 +79,8 @@ struct VFIOContainer { MemoryListener listener; Error *error; bool initialized; + uint64_t dirty_pgsizes; + uint64_t max_dirty_bitmap_size; unsigned long pgsizes; unsigned int dma_max_mappings; bool dirty_pages_supported; diff --git a/hw/vfio/container.c b/hw/vfio/container.c index 5b14a9b307..9d5be749c7 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -70,6 +70,7 @@ static int vfio_dma_unmap_bitmap(VFIOLegacyContainer *container, hwaddr iova, ram_addr_t size, IOMMUTLBEntry *iotlb) { + VFIOContainer *bcontainer = &container->bcontainer; struct vfio_iommu_type1_dma_unmap *unmap; struct vfio_bitmap *bitmap; VFIOBitmap vbmap; @@ -97,7 +98,7 @@ static int vfio_dma_unmap_bitmap(VFIOLegacyContainer *container, bitmap->size = vbmap.size; bitmap->data = (__u64 *)vbmap.bitmap; - if (vbmap.size > container->max_dirty_bitmap_size) { + if (vbmap.size > bcontainer->max_dirty_bitmap_size) { error_report("UNMAP: Size of bitmap too big 0x%"PRIx64, vbmap.size); ret = -E2BIG; goto unmap_exit; @@ -139,7 +140,7 @@ static int vfio_legacy_dma_unmap(VFIOContainer *bcontainer, hwaddr iova, if (iotlb && vfio_devices_all_running_and_mig_active(bcontainer)) { if (!vfio_devices_all_device_dirty_tracking(bcontainer) && - container->bcontainer.dirty_pages_supported) { + bcontainer->dirty_pages_supported) { return vfio_dma_unmap_bitmap(container, iova, size, iotlb); } @@ -162,7 +163,7 @@ static int vfio_legacy_dma_unmap(VFIOContainer *bcontainer, hwaddr iova, if (errno == EINVAL && unmap.size && !(unmap.iova + unmap.size) && container->iommu_type == VFIO_TYPE1v2_IOMMU) { trace_vfio_legacy_dma_unmap_overflow_workaround(); - unmap.size -= 1ULL << ctz64(container->bcontainer.pgsizes); + unmap.size -= 1ULL << ctz64(bcontainer->pgsizes); continue; } error_report("VFIO_UNMAP_DMA failed: %s", strerror(errno)); @@ -558,8 +559,8 @@ static void vfio_get_iommu_info_migration(VFIOLegacyContainer *container, */ if (cap_mig->pgsize_bitmap & qemu_real_host_page_size()) { bcontainer->dirty_pages_supported = true; - container->max_dirty_bitmap_size = cap_mig->max_dirty_bitmap_size; - container->dirty_pgsizes = cap_mig->pgsize_bitmap; + bcontainer->max_dirty_bitmap_size = cap_mig->max_dirty_bitmap_size; + bcontainer->dirty_pgsizes = cap_mig->pgsize_bitmap; } }