From patchwork Thu Feb 1 07:28:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Duan, Zhenzhong" X-Patchwork-Id: 13540724 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 9ECD6C47DDF for ; Thu, 1 Feb 2024 07:31:25 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rVRWq-0005Dj-GN; Thu, 01 Feb 2024 02:30:32 -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 1rVRWo-0005Cw-NB for qemu-devel@nongnu.org; Thu, 01 Feb 2024 02:30:31 -0500 Received: from mgamail.intel.com ([192.55.52.120]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rVRWh-0001Up-Fh for qemu-devel@nongnu.org; Thu, 01 Feb 2024 02:30:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706772623; x=1738308623; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Lhqz2iRToADp66tcHjAaagZoKGFICWwlIhQ9qtn5y64=; b=gt6gb1x4LBgYXrwMXz22NDrugrqP7U9FBNj6Cj4cbiq3PYxaCaPn3GCh 15RkxdDskKmd/CykYAkOj4dL6O6+emRsYOdM+WwqBta5KvWdNScz+KB31 EbvJbUC6FeOnbjFwB1FeON3pvIOlHHSo3jNc1VzpI4fVB3si6I1dJHR2O kgAg9986uJ6q3Ih9v2GrDOgptyT3zOYWBgcqGsn5PUO55zRHR9b/66ANO ouB4AULwWyuIxcfWjD6QwpiGwHorldD2DHR4Cc6zr4bxwxEaAtE1PjTZA HfTnRoiqMqTUMgdB9VDhWJgv3C0hdTmXcK+dIsiGpFDRgpdNvDqnBgRTu A==; X-IronPort-AV: E=McAfee;i="6600,9927,10969"; a="402676610" X-IronPort-AV: E=Sophos;i="6.05,234,1701158400"; d="scan'208";a="402676610" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jan 2024 23:30:22 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,234,1701158400"; d="scan'208";a="4443140" Received: from spr-s2600bt.bj.intel.com ([10.240.192.124]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jan 2024 23:30:18 -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 rfcv2 01/18] Introduce a common abstract struct HostIOMMUDevice Date: Thu, 1 Feb 2024 15:28:01 +0800 Message-Id: <20240201072818.327930-2-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240201072818.327930-1-zhenzhong.duan@intel.com> References: <20240201072818.327930-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=192.55.52.120; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -56 X-Spam_score: -5.7 X-Spam_bar: ----- X-Spam_report: (-5.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.292, 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 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