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=-11.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable 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 1E3E6C4741F for ; Wed, 23 Sep 2020 11:47:49 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 A764D2395A for ; Wed, 23 Sep 2020 11:47:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="g/RW1TW/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A764D2395A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 53CD487321; Wed, 23 Sep 2020 11:47:48 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mFJm8j46yPBO; Wed, 23 Sep 2020 11:47:47 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by hemlock.osuosl.org (Postfix) with ESMTP id 8BC0D8731A; Wed, 23 Sep 2020 11:47:47 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 7D126C0889; Wed, 23 Sep 2020 11:47:47 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 0CABBC0051 for ; Wed, 23 Sep 2020 11:47:47 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id EEC108731B for ; Wed, 23 Sep 2020 11:47:46 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ZwzVI+g5OfVc for ; Wed, 23 Sep 2020 11:47:46 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by hemlock.osuosl.org (Postfix) with ESMTPS id 10BCF8731A for ; Wed, 23 Sep 2020 11:47:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600861664; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YPqJZ9kUOXWQkU3z5eMOLx9N/KiGW7Zqy3WW9MTewTg=; b=g/RW1TW/cA10Ji/Nxih/Ul8aH75GbHWjbV+IrEOi7Hz+xxEi1XFkGr9p3IqpTp77F3XUh/ s3u7muTv881nYsNGK/hrOTK5GfGuPBQriS8kONDDnak5l4axeX9WLrfBAcNZn2SLiwPu3r Z0/B8qTN9Z2+pNGcUbpq+On/vyMM+ns= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-275-iQP_rk0SPY-sEjGh61uLIQ-1; Wed, 23 Sep 2020 07:47:40 -0400 X-MC-Unique: iQP_rk0SPY-sEjGh61uLIQ-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A0A0F1868425; Wed, 23 Sep 2020 11:47:37 +0000 (UTC) Received: from [10.36.112.29] (ovpn-112-29.ams2.redhat.com [10.36.112.29]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 415F619C4F; Wed, 23 Sep 2020 11:47:22 +0000 (UTC) Subject: Re: [PATCH v10 01/11] vfio: VFIO_IOMMU_SET_PASID_TABLE To: Zenghui Yu , eric.auger.pro@gmail.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, joro@8bytes.org, alex.williamson@redhat.com, jacob.jun.pan@linux.intel.com, yi.l.liu@intel.com, robin.murphy@arm.com References: <20200320161911.27494-1-eric.auger@redhat.com> <20200320161911.27494-2-eric.auger@redhat.com> <2fba23af-9cd7-147d-6202-01c13fff92e5@huawei.com> From: Auger Eric Message-ID: Date: Wed, 23 Sep 2020 13:47:21 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <2fba23af-9cd7-147d-6202-01c13fff92e5@huawei.com> Content-Language: en-US X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 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-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" SGkgWmVuZ2h1aSwKCk9uIDkvMjMvMjAgMToyNyBQTSwgWmVuZ2h1aSBZdSB3cm90ZToKPiBIaSBF cmljLAo+IAo+IE9uIDIwMjAvMy8yMSAwOjE5LCBFcmljIEF1Z2VyIHdyb3RlOgo+PiBGcm9tOiAi TGl1LCBZaSBMIiA8eWkubC5saXVAbGludXguaW50ZWwuY29tPgo+Pgo+PiBUaGlzIHBhdGNoIGFk ZHMgYW4gVkZJT19JT01NVV9TRVRfUEFTSURfVEFCTEUgaW9jdGwKPj4gd2hpY2ggYWltcyB0byBw YXNzIHRoZSB2aXJ0dWFsIGlvbW11IGd1ZXN0IGNvbmZpZ3VyYXRpb24KPj4gdG8gdGhlIGhvc3Qu IFRoaXMgbGF0dGVyIHRha2VzIHRoZSBmb3JtIG9mIHRoZSBzby1jYWxsZWQKPj4gUEFTSUQgdGFi bGUuCj4+Cj4+IFNpZ25lZC1vZmYtYnk6IEphY29iIFBhbiA8amFjb2IuanVuLnBhbkBsaW51eC5p bnRlbC5jb20+Cj4+IFNpZ25lZC1vZmYtYnk6IExpdSwgWWkgTCA8eWkubC5saXVAbGludXguaW50 ZWwuY29tPgo+PiBTaWduZWQtb2ZmLWJ5OiBFcmljIEF1Z2VyIDxlcmljLmF1Z2VyQHJlZGhhdC5j b20+Cj4gCj4gWy4uLl0KPiAKPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvdmZpby92ZmlvX2lvbW11 X3R5cGUxLmMKPj4gYi9kcml2ZXJzL3ZmaW8vdmZpb19pb21tdV90eXBlMS5jCj4+IGluZGV4IGEx NzdiZjJjNjY4My4uYmZhY2JkODc2ZWUxIDEwMDY0NAo+PiAtLS0gYS9kcml2ZXJzL3ZmaW8vdmZp b19pb21tdV90eXBlMS5jCj4+ICsrKyBiL2RyaXZlcnMvdmZpby92ZmlvX2lvbW11X3R5cGUxLmMK Pj4gQEAgLTIxNzIsNiArMjE3Miw0MyBAQCBzdGF0aWMgaW50IHZmaW9faW9tbXVfaW92YV9idWls ZF9jYXBzKHN0cnVjdAo+PiB2ZmlvX2lvbW11ICppb21tdSwKPj4gwqDCoMKgwqDCoCByZXR1cm4g cmV0Owo+PiDCoCB9Cj4+IMKgICtzdGF0aWMgdm9pZAo+PiArdmZpb19kZXRhY2hfcGFzaWRfdGFi bGUoc3RydWN0IHZmaW9faW9tbXUgKmlvbW11KQo+PiArewo+PiArwqDCoMKgIHN0cnVjdCB2Zmlv X2RvbWFpbiAqZDsKPj4gKwo+PiArwqDCoMKgIG11dGV4X2xvY2soJmlvbW11LT5sb2NrKTsKPj4g Kwo+PiArwqDCoMKgIGxpc3RfZm9yX2VhY2hfZW50cnkoZCwgJmlvbW11LT5kb21haW5fbGlzdCwg bmV4dCkgewo+PiArwqDCoMKgwqDCoMKgwqAgaW9tbXVfZGV0YWNoX3Bhc2lkX3RhYmxlKGQtPmRv bWFpbik7Cj4+ICvCoMKgwqAgfQo+PiArwqDCoMKgIG11dGV4X3VubG9jaygmaW9tbXUtPmxvY2sp Owo+PiArfQo+PiArCj4+ICtzdGF0aWMgaW50Cj4+ICt2ZmlvX2F0dGFjaF9wYXNpZF90YWJsZShz dHJ1Y3QgdmZpb19pb21tdSAqaW9tbXUsCj4+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHN0cnVj dCB2ZmlvX2lvbW11X3R5cGUxX3NldF9wYXNpZF90YWJsZSAqdXN0cnVjdCkKPj4gK3sKPj4gK8Kg wqDCoCBzdHJ1Y3QgdmZpb19kb21haW4gKmQ7Cj4+ICvCoMKgwqAgaW50IHJldCA9IDA7Cj4+ICsK Pj4gK8KgwqDCoCBtdXRleF9sb2NrKCZpb21tdS0+bG9jayk7Cj4+ICsKPj4gK8KgwqDCoCBsaXN0 X2Zvcl9lYWNoX2VudHJ5KGQsICZpb21tdS0+ZG9tYWluX2xpc3QsIG5leHQpIHsKPj4gK8KgwqDC oMKgwqDCoMKgIHJldCA9IGlvbW11X2F0dGFjaF9wYXNpZF90YWJsZShkLT5kb21haW4sICZ1c3Ry dWN0LT5jb25maWcpOwo+PiArwqDCoMKgwqDCoMKgwqAgaWYgKHJldCkKPj4gK8KgwqDCoMKgwqDC oMKgwqDCoMKgwqAgZ290byB1bndpbmQ7Cj4+ICvCoMKgwqAgfQo+PiArwqDCoMKgIGdvdG8gdW5s b2NrOwo+PiArdW53aW5kOgo+PiArwqDCoMKgIGxpc3RfZm9yX2VhY2hfZW50cnlfY29udGludWVf cmV2ZXJzZShkLCAmaW9tbXUtPmRvbWFpbl9saXN0LCBuZXh0KSB7Cj4+ICvCoMKgwqDCoMKgwqDC oCBpb21tdV9kZXRhY2hfcGFzaWRfdGFibGUoZC0+ZG9tYWluKTsKPj4gK8KgwqDCoCB9Cj4+ICt1 bmxvY2s6Cj4+ICvCoMKgwqAgbXV0ZXhfdW5sb2NrKCZpb21tdS0+bG9jayk7Cj4+ICvCoMKgwqAg cmV0dXJuIHJldDsKPj4gK30KPj4gKwo+PiDCoCBzdGF0aWMgbG9uZyB2ZmlvX2lvbW11X3R5cGUx X2lvY3RsKHZvaWQgKmlvbW11X2RhdGEsCj4+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqAgdW5zaWduZWQgaW50IGNtZCwgdW5zaWduZWQgbG9uZyBhcmcpCj4+IMKgIHsK Pj4gQEAgLTIyNzYsNiArMjMxMywyNSBAQCBzdGF0aWMgbG9uZyB2ZmlvX2lvbW11X3R5cGUxX2lv Y3RsKHZvaWQKPj4gKmlvbW11X2RhdGEsCj4+IMKgIMKgwqDCoMKgwqDCoMKgwqDCoCByZXR1cm4g Y29weV90b191c2VyKCh2b2lkIF9fdXNlciAqKWFyZywgJnVubWFwLCBtaW5zeikgPwo+PiDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoCAtRUZBVUxUIDogMDsKPj4gK8KgwqDCoCB9IGVsc2UgaWYg KGNtZCA9PSBWRklPX0lPTU1VX1NFVF9QQVNJRF9UQUJMRSkgewo+PiArwqDCoMKgwqDCoMKgwqAg c3RydWN0IHZmaW9faW9tbXVfdHlwZTFfc2V0X3Bhc2lkX3RhYmxlIHVzdHJ1Y3Q7Cj4+ICsKPj4g K8KgwqDCoMKgwqDCoMKgIG1pbnN6ID0gb2Zmc2V0b2ZlbmQoc3RydWN0IHZmaW9faW9tbXVfdHlw ZTFfc2V0X3Bhc2lkX3RhYmxlLAo+PiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqAgY29uZmlnKTsKPj4gKwo+PiArwqDCoMKgwqDCoMKgwqAgaWYgKGNvcHlfZnJvbV91c2Vy KCZ1c3RydWN0LCAodm9pZCBfX3VzZXIgKilhcmcsIG1pbnN6KSkKPj4gK8KgwqDCoMKgwqDCoMKg wqDCoMKgwqAgcmV0dXJuIC1FRkFVTFQ7Cj4+ICsKPj4gK8KgwqDCoMKgwqDCoMKgIGlmICh1c3Ry dWN0LmFyZ3N6IDwgbWluc3opCj4+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHJldHVybiAtRUlO VkFMOwo+PiArCj4+ICvCoMKgwqDCoMKgwqDCoCBpZiAodXN0cnVjdC5mbGFncyAmIFZGSU9fUEFT SURfVEFCTEVfRkxBR19TRVQpCj4+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHJldHVybiB2Zmlv X2F0dGFjaF9wYXNpZF90YWJsZShpb21tdSwgJnVzdHJ1Y3QpOwo+PiArwqDCoMKgwqDCoMKgwqAg ZWxzZSBpZiAodXN0cnVjdC5mbGFncyAmIFZGSU9fUEFTSURfVEFCTEVfRkxBR19VTlNFVCkgewo+ PiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCB2ZmlvX2RldGFjaF9wYXNpZF90YWJsZShpb21tdSk7 Cj4+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHJldHVybiAwOwo+PiArwqDCoMKgwqDCoMKgwqAg fSBlbHNlCj4+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHJldHVybiAtRUlOVkFMOwo+IAo+IE5p dDoKPiAKPiBXaGF0IGlmIHVzZXItc3BhY2UgYmxpbmRseSBzZXQgYm90aCBmbGFncz8gU2hvdWxk IHdlIGNoZWNrIHRoYXQgb25seSBvbmUKPiBmbGFnIGlzIGFsbG93ZWQgdG8gYmUgc2V0IGF0IHRo aXMgc3RhZ2UsIGFuZCByZXR1cm4gZXJyb3Igb3RoZXJ3aXNlPwpJbmRlZWQgSSBjYW4gY2hlY2sg dGhhdC4KPiAKPiBCZXNpZGVzLCBiZWZvcmUgZ29pbmcgdGhyb3VnaCB0aGUgd2hvbGUgc2VyaWVz IFsxXVsyXSwgSSdkIGxpa2UgdG8ga25vdwo+IGlmIHRoaXMgaXMgdGhlIGxhdGVzdCB2ZXJzaW9u IG9mIHlvdXIgTmVzdGVkLVN0YWdlLVNldHVwIHdvcmsgaW4gY2FzZSBJCj4gaGFkIG1pc3NlZCBz b21ldGhpbmcuCj4gCj4gWzFdIGh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL3IvMjAyMDAzMjAxNjE5 MTEuMjc0OTQtMS1lcmljLmF1Z2VyQHJlZGhhdC5jb20KPiBbMl0gaHR0cHM6Ly9sb3JlLmtlcm5l bC5vcmcvci8yMDIwMDQxNDE1MDYwNy4yODQ4OC0xLWVyaWMuYXVnZXJAcmVkaGF0LmNvbQoKeWVz IHRob3NlIDIgc2VyaWVzIGFyZSB0aGUgbGFzdCBvbmVzLiBUaGFuayB5b3UgZm9yIHJldmlld2lu Zy4KCkZZSSwgSSBpbnRlbmQgdG8gcmVzcGluIHdpdGhpbiBhIHdlZWsgb3IgMiBvbiB0b3Agb2Yg SmFjb2IncyAgW1BBVENIIHYxMAowLzddIElPTU1VIHVzZXIgQVBJIGVuaGFuY2VtZW50LiBCdXQg ZnVuY3Rpb25hbGx5IHRoZXJlIHdvbid0IGEgbG90IG9mCmNoYW5nZXMuCgpUaGFua3MKCkVyaWMK PiAKPiAKPiBUaGFua3MsCj4gWmVuZ2h1aQo+IAoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KaW9tbXUgbWFpbGluZyBsaXN0CmlvbW11QGxpc3RzLmxpbnV4 LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFu L2xpc3RpbmZvL2lvbW11