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 Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 27D15C4332F for ; Mon, 14 Nov 2022 16:18:14 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id AB3ED60DFC; Mon, 14 Nov 2022 16:18:13 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org AB3ED60DFC Authentication-Results: smtp3.osuosl.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=L5NSdFA/ X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gbiDWnrU9spO; Mon, 14 Nov 2022 16:18:12 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp3.osuosl.org (Postfix) with ESMTPS id 4D7C860E07; Mon, 14 Nov 2022 16:18:12 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 4D7C860E07 Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id E3617C0033; Mon, 14 Nov 2022 16:18:11 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) by lists.linuxfoundation.org (Postfix) with ESMTP id B71B8C002D for ; Mon, 14 Nov 2022 16:18:10 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 8D31540317 for ; Mon, 14 Nov 2022 16:18:10 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 8D31540317 Authentication-Results: smtp4.osuosl.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=L5NSdFA/ X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Zh9TninuTbrl for ; Mon, 14 Nov 2022 16:18:09 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org BB4DF4160A Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by smtp4.osuosl.org (Postfix) with ESMTPS id BB4DF4160A for ; Mon, 14 Nov 2022 16:18:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1668442688; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=hxvXy2EJc9Qd0pwiulW/osrJ5/Pv/7EvjVfPKadkE/I=; b=L5NSdFA/m8vha7RHJPLdUF6dTe+i4vYrH7OGx+kVbO2wys68lk/osThEzqN/66Hp0LA9AM qveXH2y21kMEK3EQVHqAnYbLKbtyOLTDY/eChpTvn2wFzVtZ2QYWCRwyj7ZBJB0VTirolp A0QI1n31OSA/FaUT7DJqWvPY314ZV0E= Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-269-jy9UCdipOzuLDQtrknzYRg-1; Mon, 14 Nov 2022 11:18:05 -0500 X-MC-Unique: jy9UCdipOzuLDQtrknzYRg-1 Received: by mail-il1-f197.google.com with SMTP id l4-20020a056e021aa400b00300ad9535c8so9557859ilv.1 for ; Mon, 14 Nov 2022 08:18:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=hxvXy2EJc9Qd0pwiulW/osrJ5/Pv/7EvjVfPKadkE/I=; b=ozk/jNs24CtrJIL5OTB2n5+NseqluUuK2nOMgQ2jIvquHbJlIf4am9Bg8J4eiMQu01 GMoywthq5je5Enc9iwnOzD4l/2sVbxux9OIxnaoUhTj095IDgpwB04IlQY/rX2ufaMBl ecSangPP3uBMzR84FIeJoWa80Voy6tUXCNssa37ZyLemWYqkJN0LILhsrWPJrXVqLbmS +1xj2whLSrbmuno7IRDflVxBEAoFCm3fkXR5gZtzoiFmS0PuQmz5FZ7xO+WQJNhkTAG+ PqF2MBZDlMSv54v7cuCjKxIM1c4qoxg2fEwiT6nPz8CYMMqodrlqv/y5QJagJR8m1J16 Ebtw== X-Gm-Message-State: ANoB5pnP1HICc30W8JVSgCDRO2vXkJmK7smqxOAK7FNByx4hDeCA5aUX 57plwmGxWrabC9AuhbqqwHFDv8l+RW1WYFdkZpdF9cgJ4rgmzPA7/ZAvFK24jmuF7JZ3oVA49gc ioJGs7ccM1aDW5tqwlFZsjR+WjkHlvjc3dg/8I52zGQ== X-Received: by 2002:a05:6e02:1d06:b0:300:f4a5:7266 with SMTP id i6-20020a056e021d0600b00300f4a57266mr6579915ila.273.1668442684533; Mon, 14 Nov 2022 08:18:04 -0800 (PST) X-Google-Smtp-Source: AA0mqf7lPMQWW+38n5rm2EgYIjtpOtDqi7Qiix94SnrgiMLorpuKojFAx39PuDP8JvI8meve6GVa+A== X-Received: by 2002:a05:6e02:1d06:b0:300:f4a5:7266 with SMTP id i6-20020a056e021d0600b00300f4a57266mr6579906ila.273.1668442684300; Mon, 14 Nov 2022 08:18:04 -0800 (PST) Received: from redhat.com ([38.15.36.239]) by smtp.gmail.com with ESMTPSA id f19-20020a05660215d300b006ddf70e3ce8sm2290113iow.7.2022.11.14.08.18.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Nov 2022 08:18:03 -0800 (PST) Date: Mon, 14 Nov 2022 09:18:02 -0700 From: Alex Williamson To: "leohou@tom.com" Subject: Re: vIOMMU&IOMMU gIOVA to HPA mapping Message-ID: <20221114091802.6be5099e.alex.williamson@redhat.com> In-Reply-To: <2022111420314945171759@tom.com> References: <2022111420314945171759@tom.com> X-Mailer: Claws Mail 4.1.0 (GTK 3.24.34; x86_64-redhat-linux-gnu) MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Cc: iommu , qemu-arm , virtualization X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" T24gTW9uLCAxNCBOb3YgMjAyMiAyMDozMTo0OSArMDgwMAoibGVvaG91QHRvbS5jb20iIDxsZW9o b3VAdG9tLmNvbT4gd3JvdGU6Cgo+IEhp77yMCj4gICAgICBIZXJlIGlzIG15IGFwcGxpY2F0aW9u IHNjZW5hcmlv77yaCj4gMS4gVGhlIE5JQyAoTmV0d29yayBJbmZvcm1hdGlvbiBDZW50ZXIpIHBh c3NlcyB0aHJvdWdoIHRvIHRoZSBWTShWaXJ0dWFsIE1hY2hpbmUpOwo+IDIuIFRoZSBWTSB1c2Vz IHRoZSB1c2VyIG1vZGUgZHJpdmVyIERQREs7Cj4gCj4gUXVlc3Rpb246Cj4gMS4gdklPTU1VIG1h aW50YWlucyB0aGUgbWFwcGluZyBnSU9WQS0+Z1BBLCBXaGVuIGRvIHlvdSB1c2UgdGhpcyBnUEEg PwoKUUVNVSBpbiB0aGUgaG9zdCBkZXJpdmVzIHRoZSBoVkEgZnJvbSB0aGUgZ1BBLiAgVGhlIHZJ T01NVSBkcml2ZXIgaW4KUUVNVSBpcyB0cmlnZ2VyaW5nIHRoZSBnSU9WQSB0byBoVkEgbWFwcGlu ZyB0aHJvdWdoIHZmaW8gaW4gdGhlIGhvc3QuCgo+IDIuIFBoeXNpY2FsIElPTU1VIG1haW50YWlu cyB0aGUgR0lPVkEtPkhQQSBtYXBwaW5nID8gIElmIHNvLCBieSB3aGF0IG1lYW5zIChnSU9WQSAt PiBIUEEpIG1hcHBpbmcgPwoKQXMgYWJvdmUsIHRoZSB2SU9NTVUgaW4gdGhlIGd1ZXN0IHByb3Zp ZGVzIGdJT1ZBIC0+IGdQQSwgaW4gUUVNVSB3ZSBkbwp0aGUgZ1BBIC0+IGhWQSwgdGhlbiB2Zmlv IGluIHRoZSBob3N0IGtlcm5lbCBwZXJmb3JtcyBoVkEgLT4gaFBBIHZpYQpwYWdlIHBpbm5pbmcu Cgo+IDMuIFdoYXQgZG9lcyBRRU1VIGRvIGluIE5JQyBwYXNzLXRocm91Z2ggYWRkcmVzcyB0cmFu c2xhdGlvbiDvvJ8KClRoZSBndWVzdCB2aXNpYmxlIHZJT01NVSB0cmlnZ2VycyBNZW1vcnlMaXN0 ZW5lciBub3RpZmljYXRpb25zIGluIFFFTVUKZm9yIHRoZSBkZXZpY2UgYWRkcmVzcyBzcGFjZSwg d2hpY2ggaW5zZXJ0IGFuZCByZW1vdmVzIG1hcHBpbmdzIHRvIHRoZQp2ZmlvIGxheWVyIGJlbG93 IGl0LiAgVGhhbmtzLAoKQWxleAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KVmlydHVhbGl6YXRpb24gbWFpbGluZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxp c3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL3ZpcnR1YWxpemF0aW9u