From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: <1556062279-64135-1-git-send-email-jacob.jun.pan@linux.intel.com> Return-path: In-Reply-To: <1556062279-64135-1-git-send-email-jacob.jun.pan@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: iommu@lists.linux-foundation.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 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 945B0C282DD for ; Tue, 23 Apr 2019 23:30:49 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6A2F2218DA for ; Tue, 23 Apr 2019 23:30:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6A2F2218DA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 00184ECD; Tue, 23 Apr 2019 23:28:56 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 2FBD5F31 for ; Tue, 23 Apr 2019 23:28:46 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 63DE282E for ; Tue, 23 Apr 2019 23:28:44 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga106.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 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> Cc: "Tian, Kevin" , Raj Ashok , Andriy Shevchenko X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org Message-ID: <20190423233117.XxOjRkmrEPJBrYr9C02ipxmf_N-pmTltYNr8NOrt6Gs@z> 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 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu