From patchwork Tue May 7 09:20:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Zhenzhong Duan X-Patchwork-Id: 13656456 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 7650EC10F1A for ; Tue, 7 May 2024 09:25:12 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s4H2h-00009x-6B; Tue, 07 May 2024 05:23:23 -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 1s4H2e-00006f-CT for qemu-devel@nongnu.org; Tue, 07 May 2024 05:23:20 -0400 Received: from mgamail.intel.com ([198.175.65.21]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s4H2c-00008K-PF for qemu-devel@nongnu.org; Tue, 07 May 2024 05:23:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715073798; x=1746609798; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=zEb4sLTc/j+SaohFZy7OiH9RZU/pHjGFuDFgJP18iPQ=; b=oKGrvcfG7/9yhnqWl4swhcHjEv32C7P1wWWxAPwmeDOodWQgt9xNaoJQ LEqdegXuQirWFygbNILyaxr+HUXrhlGcaVcu+yKkypCR/7fjys7O/Ts2i cW/Zi5Zjz3UpsGeXac7lhqHBqEpew5Pp2OwpRTedwzwWjZB5dz9/qvYf+ V7P5yYmS/t4HXgA/f6FQ/Vsremmk3+VE4K4cnrSM7lXlrYC+jbAvYPEka tVEkHBQ92hRwYE4QqdsUxthba7ufHvTVbMOqgGRP07RIm0JDwb4/heVjy Era+12L4hLG2TDE2zPooujaHOSrDYg5UA1KwCjNRqQ+QZg7XBUilDn+oB g==; X-CSE-ConnectionGUID: Yrovxu8DRPW8v2znKNZmhg== X-CSE-MsgGUID: i79qrIVTTCuZKtr+zQZ5QQ== X-IronPort-AV: E=McAfee;i="6600,9927,11065"; a="10785197" X-IronPort-AV: E=Sophos;i="6.07,260,1708416000"; d="scan'208";a="10785197" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 May 2024 02:23:17 -0700 X-CSE-ConnectionGUID: m+vMcL2vQ2ipHLylCNCSWw== X-CSE-MsgGUID: 81q08A7yTM2DHt0JW5fFhw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,260,1708416000"; d="scan'208";a="28553265" Received: from unknown (HELO SPR-S2600BT.bj.intel.com) ([10.240.192.124]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 May 2024 02:23:14 -0700 From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, eric.auger@redhat.com, mst@redhat.com, peterx@redhat.com, jasowang@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, joao.m.martins@oracle.com, clement.mathieu--drif@eviden.com, kevin.tian@intel.com, yi.l.liu@intel.com, chao.p.peng@intel.com, Zhenzhong Duan Subject: [PATCH v4 04/19] vfio/iommufd: Introduce TYPE_HOST_IOMMU_DEVICE_IOMMUFD_VFIO device Date: Tue, 7 May 2024 17:20:28 +0800 Message-Id: <20240507092043.1172717-5-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240507092043.1172717-1-zhenzhong.duan@intel.com> References: <20240507092043.1172717-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=198.175.65.21; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -49 X-Spam_score: -5.0 X-Spam_bar: ----- X-Spam_report: (-5.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.581, 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 TYPE_HOST_IOMMU_DEVICE_IOMMUFD_VFIO represents a host IOMMU device under VFIO iommufd backend. It will be created during VFIO device attaching and passed to vIOMMU. It will have its own .realize() implementation. Suggested-by: Cédric Le Goater Signed-off-by: Zhenzhong Duan --- include/hw/vfio/vfio-common.h | 3 +++ hw/vfio/iommufd.c | 5 ++++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index 05a199ce65..affb73f209 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -32,6 +32,7 @@ #include "sysemu/sysemu.h" #include "hw/vfio/vfio-container-base.h" #include "sysemu/host_iommu_device.h" +#include "sysemu/iommufd.h" #define VFIO_MSG_PREFIX "vfio %s: " @@ -149,6 +150,8 @@ typedef struct VFIOGroup { } VFIOGroup; #define TYPE_HOST_IOMMU_DEVICE_LEGACY_VFIO TYPE_HOST_IOMMU_DEVICE "-legacy-vfio" +#define TYPE_HOST_IOMMU_DEVICE_IOMMUFD_VFIO \ + TYPE_HOST_IOMMU_DEVICE_IOMMUFD "-vfio" typedef struct VFIODMABuf { QemuDmaBuf buf; diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index 554f9a6292..e4a507d55c 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -624,7 +624,10 @@ static const TypeInfo types[] = { .name = TYPE_VFIO_IOMMU_IOMMUFD, .parent = TYPE_VFIO_IOMMU, .class_init = vfio_iommu_iommufd_class_init, - }, + }, { + .name = TYPE_HOST_IOMMU_DEVICE_IOMMUFD_VFIO, + .parent = TYPE_HOST_IOMMU_DEVICE_IOMMUFD, + } }; DEFINE_TYPES(types)