From patchwork Wed Feb 28 03:58:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Duan, Zhenzhong" X-Patchwork-Id: 13574845 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 26482C47DD9 for ; Wed, 28 Feb 2024 04:03:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rfB8A-0005Rh-Tf; Tue, 27 Feb 2024 23:01:18 -0500 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 1rfB89-0005R5-B6 for qemu-devel@nongnu.org; Tue, 27 Feb 2024 23:01:17 -0500 Received: from mgamail.intel.com ([192.198.163.19]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rfB83-000087-7d for qemu-devel@nongnu.org; Tue, 27 Feb 2024 23:01:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709092871; x=1740628871; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Lhqz2iRToADp66tcHjAaagZoKGFICWwlIhQ9qtn5y64=; b=jE/Eu+gTfx0+ECeIy1/m3i2CAj+3U/O2OSnA3cKM23vx/Wxp3WhOCHWX sGmE3UpVfqpIQqYPTq3wD0U8qmxOU2YBnwBMoCxjC70f5DI4aSr8EAexI JvVRMRoNHu9vnyOakUJwbmeNCny1KvjcqC67wd2PLskbDUebDzjP+HZTz 3iPXxxd6Cd31yjCPVLMDjTeBUyUmIVPLlA3z3yt3qbnd9Lqhfo6z8mgNC TlXcB3RyqzM5Ew70Ni2rzmbSHTiGFyRzRrrfHGqD0qD0Kx5nsOUGdpHz0 qJnWE+5RNpyCY9JkJZni8o9BBUXRT82mUP3a9RMMzhlqXz/1NBh0TZE5t w==; X-IronPort-AV: E=McAfee;i="6600,9927,10996"; a="3342422" X-IronPort-AV: E=Sophos;i="6.06,189,1705392000"; d="scan'208";a="3342422" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2024 20:01:10 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,189,1705392000"; d="scan'208";a="11917075" Received: from spr-s2600bt.bj.intel.com ([10.240.192.124]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2024 20:01:05 -0800 From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, eric.auger@redhat.com, peterx@redhat.com, jasowang@redhat.com, mst@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, joao.m.martins@oracle.com, kevin.tian@intel.com, yi.l.liu@intel.com, yi.y.sun@intel.com, chao.p.peng@intel.com, Zhenzhong Duan Subject: [PATCH v1 01/11] Introduce a common abstract struct HostIOMMUDevice Date: Wed, 28 Feb 2024 11:58:50 +0800 Message-Id: <20240228035900.1085727-2-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240228035900.1085727-1-zhenzhong.duan@intel.com> References: <20240228035900.1085727-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=192.198.163.19; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.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=-0.088, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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 HostIOMMUDevice will be inherited by two sub classes, legacy and iommufd currently. Introduce a helper function host_iommu_base_device_init to initialize it. Suggested-by: Eric Auger Signed-off-by: Zhenzhong Duan --- include/sysemu/host_iommu_device.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 include/sysemu/host_iommu_device.h diff --git a/include/sysemu/host_iommu_device.h b/include/sysemu/host_iommu_device.h new file mode 100644 index 0000000000..fe80ab25fb --- /dev/null +++ b/include/sysemu/host_iommu_device.h @@ -0,0 +1,22 @@ +#ifndef HOST_IOMMU_DEVICE_H +#define HOST_IOMMU_DEVICE_H + +typedef enum HostIOMMUDevice_Type { + HID_LEGACY, + HID_IOMMUFD, + HID_MAX, +} HostIOMMUDevice_Type; + +typedef struct HostIOMMUDevice { + HostIOMMUDevice_Type type; + size_t size; +} HostIOMMUDevice; + +static inline void host_iommu_base_device_init(HostIOMMUDevice *dev, + HostIOMMUDevice_Type type, + size_t size) +{ + dev->type = type; + dev->size = size; +} +#endif