From patchwork Wed Jun 5 08:30:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Duan, Zhenzhong" X-Patchwork-Id: 13686400 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 4D8ADC27C52 for ; Wed, 5 Jun 2024 08:34:03 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sEm5d-0001Hu-OZ; Wed, 05 Jun 2024 04:33:49 -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 1sEm5c-0001Hm-Hf for qemu-devel@nongnu.org; Wed, 05 Jun 2024 04:33:48 -0400 Received: from mgamail.intel.com ([198.175.65.12]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sEm5a-00062T-Ru for qemu-devel@nongnu.org; Wed, 05 Jun 2024 04:33:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717576427; x=1749112427; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8BJz9IwTcQPPECmR9FaEYT0aO+hddDR604LTsSbQfTI=; b=M/bQuPEASBJh8R6eyXXG6nBkxOdGrJFzsfh6zex/8R00h+Z9erjYkfze eux07PntW5ZPz2LxuZl9t84JG2BvB4ZPtWuFemt6AeZ8ZsFMj6XjW4Ysn bqfPRhCc1nS+8b9wAbwk9O81flGEEOZiizDA7yxQC+LDrwCtJp1kAgjR5 vjPnMXvXT4eYQvzcrCM9Bt1tLQtUc8r+VK2oJTaSr2Azf2SCsNP/QPVzx E+2FbMXFOlxeWh2FMMxSGYOnI5o7gskS2uy5Nhfx/rLnZqn6XEs3L90gI 2SHoBklMnlWaJ0ZylzB3xF5LNUraUoJhJQC6nGpveJn4DHeO3av1ZjqWH w==; X-CSE-ConnectionGUID: rAOTl8LXTWa1bPdMCJiJVg== X-CSE-MsgGUID: vdkLYmyOT6ixIVQ/PaybsQ== X-IronPort-AV: E=McAfee;i="6600,9927,11093"; a="25575363" X-IronPort-AV: E=Sophos;i="6.08,216,1712646000"; d="scan'208";a="25575363" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jun 2024 01:33:47 -0700 X-CSE-ConnectionGUID: rH7WaLGXSIWuexO2RncnIg== X-CSE-MsgGUID: l0YBg2ZVSWGrLxgbTIMpAA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,216,1712646000"; d="scan'208";a="37954809" Received: from unknown (HELO SPR-S2600BT.bj.intel.com) ([10.240.192.127]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jun 2024 01:33:43 -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 v7 08/17] vfio/iommufd: Implement HostIOMMUDeviceClass::realize() handler Date: Wed, 5 Jun 2024 16:30:34 +0800 Message-Id: <20240605083043.317831-9-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240605083043.317831-1-zhenzhong.duan@intel.com> References: <20240605083043.317831-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=198.175.65.12; 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, T_SCC_BODY_TEXT_LINE=-0.01 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 It calls iommufd_backend_get_device_info() to get host IOMMU related information and translate it into HostIOMMUDeviceCaps for query with .get_cap(). For aw_bits, use the same way as legacy backend by calling vfio_device_get_aw_bits() which is common for different vendor IOMMU. Signed-off-by: Zhenzhong Duan --- hw/vfio/iommufd.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index e4a507d55c..1674c61227 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -619,6 +619,35 @@ static void vfio_iommu_iommufd_class_init(ObjectClass *klass, void *data) vioc->pci_hot_reset = iommufd_cdev_pci_hot_reset; }; +static bool hiod_iommufd_vfio_realize(HostIOMMUDevice *hiod, void *opaque, + Error **errp) +{ + VFIODevice *vdev = opaque; + HostIOMMUDeviceCaps *caps = &hiod->caps; + enum iommu_hw_info_type type; + union { + struct iommu_hw_info_vtd vtd; + } data; + + if (!iommufd_backend_get_device_info(vdev->iommufd, vdev->devid, + &type, &data, sizeof(data), errp)) { + return false; + } + + hiod->name = g_strdup(vdev->name); + caps->type = type; + caps->aw_bits = vfio_device_get_aw_bits(vdev); + + return true; +} + +static void hiod_iommufd_vfio_class_init(ObjectClass *oc, void *data) +{ + HostIOMMUDeviceClass *hiodc = HOST_IOMMU_DEVICE_CLASS(oc); + + hiodc->realize = hiod_iommufd_vfio_realize; +}; + static const TypeInfo types[] = { { .name = TYPE_VFIO_IOMMU_IOMMUFD, @@ -627,6 +656,7 @@ static const TypeInfo types[] = { }, { .name = TYPE_HOST_IOMMU_DEVICE_IOMMUFD_VFIO, .parent = TYPE_HOST_IOMMU_DEVICE_IOMMUFD, + .class_init = hiod_iommufd_vfio_class_init, } };