From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B22AAC10F03 for ; Tue, 23 Apr 2019 23:29:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 77B0C218D2 for ; Tue, 23 Apr 2019 23:29:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729006AbfDWX26 (ORCPT ); Tue, 23 Apr 2019 19:28:58 -0400 Received: from mga09.intel.com ([134.134.136.24]:8111 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727467AbfDWX2n (ORCPT ); Tue, 23 Apr 2019 19:28:43 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Apr 2019 16:28:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,387,1549958400"; d="scan'208";a="293981312" Received: from jacob-builder.jf.intel.com ([10.7.199.155]) by orsmga004.jf.intel.com with ESMTP; 23 Apr 2019 16:28:40 -0700 From: Jacob Pan To: iommu@lists.linux-foundation.org, LKML , Joerg Roedel , David Woodhouse , Eric Auger , Alex Williamson , Jean-Philippe Brucker Cc: "Yi Liu" , "Tian, Kevin" , Raj Ashok , "Christoph Hellwig" , "Lu Baolu" , Andriy Shevchenko , Jacob Pan Subject: [PATCH v2 17/19] iommu: Add max num of cache and granu types Date: Tue, 23 Apr 2019 16:31:17 -0700 Message-Id: <1556062279-64135-18-git-send-email-jacob.jun.pan@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1556062279-64135-1-git-send-email-jacob.jun.pan@linux.intel.com> References: <1556062279-64135-1-git-send-email-jacob.jun.pan@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org To convert to/from cache types and granularities between generic and VT-d specific counterparts, a 2D arrary is used. Introduce the limits to help define the converstion array size. Signed-off-by: Jacob Pan --- include/uapi/linux/iommu.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h index 5c95905..2d8fac8 100644 --- a/include/uapi/linux/iommu.h +++ b/include/uapi/linux/iommu.h @@ -197,6 +197,7 @@ struct iommu_inv_addr_info { __u64 granule_size; __u64 nb_granules; }; +#define NR_IOMMU_CACHE_INVAL_GRANU (3) /** * First level/stage invalidation information @@ -235,6 +236,7 @@ struct iommu_cache_invalidate_info { struct iommu_inv_addr_info addr_info; }; }; +#define NR_IOMMU_CACHE_TYPE (3) /** * struct gpasid_bind_data - Information about device and guest PASID binding * @gcr3: Guest CR3 value from guest mm -- 2.7.4