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Thu, 25 Jun 2020 07:14:54 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tbVjaxwhZ+yh for ; Thu, 25 Jun 2020 07:14:53 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by whitealder.osuosl.org (Postfix) with ESMTPS id 86DB086E77 for ; Thu, 25 Jun 2020 07:14:53 +0000 (UTC) IronPort-SDR: +JnMbKEvohLCj8CsLLxlQx+zB2weq3GfhHa9rR5rgKH5ZVg/liywAJXCuaHQPdjoOO1ssBf8Z0 Sle/49gBJeNg== X-IronPort-AV: E=McAfee;i="6000,8403,9662"; a="209913833" X-IronPort-AV: E=Sophos;i="5.75,278,1589266800"; d="scan'208";a="209913833" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jun 2020 00:14:50 -0700 IronPort-SDR: w47I9gFwO6EZJAPwFd8bIKjFiO5zXkZG+10Nj28WZ4b0buMefjrHmCJVy58iStzSX96HOxu/LX 2fau0pEKiWjg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,278,1589266800"; d="scan'208";a="263856440" Received: from yijiangw-mobl1.ccr.corp.intel.com (HELO [10.255.28.52]) ([10.255.28.52]) by fmsmga007.fm.intel.com with ESMTP; 25 Jun 2020 00:14:46 -0700 Subject: Re: [PATCH 1/7] iommu/vt-d: Enforce PASID devTLB field mask To: Jacob Pan , iommu@lists.linux-foundation.org, LKML , Joerg Roedel , David Woodhouse References: <1592926996-47914-1-git-send-email-jacob.jun.pan@linux.intel.com> <1592926996-47914-2-git-send-email-jacob.jun.pan@linux.intel.com> From: Lu Baolu Message-ID: Date: Thu, 25 Jun 2020 15:14:45 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <1592926996-47914-2-git-send-email-jacob.jun.pan@linux.intel.com> Content-Language: en-US Cc: "Tian, Kevin" , Raj Ashok X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On 2020/6/23 23:43, Jacob Pan wrote: > From: Liu Yi L > > Set proper masks to avoid invalid input spillover to reserved bits. > Acked-by: Lu Baolu Best regards, baolu > Signed-off-by: Liu Yi L > Signed-off-by: Jacob Pan > --- > include/linux/intel-iommu.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h > index 4100bd224f5c..729386ca8122 100644 > --- a/include/linux/intel-iommu.h > +++ b/include/linux/intel-iommu.h > @@ -380,8 +380,8 @@ enum { > > #define QI_DEV_EIOTLB_ADDR(a) ((u64)(a) & VTD_PAGE_MASK) > #define QI_DEV_EIOTLB_SIZE (((u64)1) << 11) > -#define QI_DEV_EIOTLB_GLOB(g) ((u64)g) > -#define QI_DEV_EIOTLB_PASID(p) (((u64)p) << 32) > +#define QI_DEV_EIOTLB_GLOB(g) ((u64)(g) & 0x1) > +#define QI_DEV_EIOTLB_PASID(p) ((u64)((p) & 0xfffff) << 32) > #define QI_DEV_EIOTLB_SID(sid) ((u64)((sid) & 0xffff) << 16) > #define QI_DEV_EIOTLB_QDEP(qd) ((u64)((qd) & 0x1f) << 4) > #define QI_DEV_EIOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | \ > _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu