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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 17 Apr 2020 13:27:11 +0100 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 03HCReWd31588758 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Apr 2020 12:27:40 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B1F524C044; Fri, 17 Apr 2020 12:27:40 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 876584C050; Fri, 17 Apr 2020 12:27:40 +0000 (GMT) Received: from localhost.localdomain (unknown [9.145.92.187]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 17 Apr 2020 12:27:40 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1587126499; h=from:from:sender:sender: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:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=Diu5gW3tUkl+3Y5oplBJekwhEiWgDQbFo1VgChs3hjY=; b=XFkSi2e5BCQufKxfmKzYaEI6TrM+5DTUYiLXu2wPHakdegt2fatG3W4Lyz7UtWqFi0/jlG 3DRwIiDeGAfA7YqfRKx18E2UXtL2pVckAQTrdmQSiSqHl997GNm/Mm2iu2n8R9qUqtUkWy TAVdvPYsN+Mug7V9Hanyb7b+vJp2AHs= X-MC-Unique: O45ABr0iNdiMgwdqRxoZyw-1 X-MC-Unique: oJwlyvggOGeCl-gcs51itQ-1 From: Boris Fiuczynski To: libvir-list@redhat.com Subject: [PATCH v2 1/2] docs: Update introduction in pci-addresses.rst Date: Fri, 17 Apr 2020 14:27:33 +0200 In-Reply-To: <20200417122734.11859-1-fiuczy@linux.ibm.com> References: <20200417122734.11859-1-fiuczy@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 20041712-0008-0000-0000-0000037253E1 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20041712-0009-0000-0000-00004A940F25 Message-Id: <20200417122734.11859-2-fiuczy@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.676 definitions=2020-04-17_03:2020-04-17, 2020-04-17 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 impostorscore=0 mlxscore=0 adultscore=0 bulkscore=0 spamscore=0 clxscore=1015 suspectscore=1 malwarescore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004170093 X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 03HCRrs2026679 X-loop: libvir-list@redhat.com Cc: cohuck@redhat.com, abologna@redhat.com X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" Changing the introduction to bring the idea of this document better across. Signed-off-by: Andrea Bolognani Reviewed-by: Boris Fiuczynski Reviewed-by: Cornelia Huck --- docs/pci-addresses.rst | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/docs/pci-addresses.rst b/docs/pci-addresses.rst index 1d2dc8e5fc..7c8e9edd73 100644 --- a/docs/pci-addresses.rst +++ b/docs/pci-addresses.rst @@ -4,9 +4,12 @@ PCI addresses in domain XML and guest OS =20 .. contents:: =20 -When discussing PCI addresses, it's important to understand the -relationship between the addresses that can be seen in the domain XML -and those that are visible inside the guest OS. +Looking at the configuration for a guest, it would be reasonable +to expect that each PCI device would show up in the guest OS with +a PCI address that matches the one present in the corresponding +``
`` element of the domain XML, but that's not guaranteed +to happen and will in fact not be the case in all but the simplest +scenarios. =20 =20 Simple cases --=20 2.25.1 From nobody Tue Apr 30 15:45:52 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of redhat.com designates 205.139.110.120 as permitted sender) client-ip=205.139.110.120; envelope-from=libvir-list-bounces@redhat.com; helo=us-smtp-1.mimecast.com; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of redhat.com designates 205.139.110.120 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=fail(p=none dis=none) header.from=linux.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1587126491; cv=none; d=zohomail.com; s=zohoarc; b=F0/f17cNa7hvdPn+Fz/YV18E4+C9MwjOLz8RegHBFwInu3CY5i3KMF1WQ+SyyQJajhDoVkUSE7LqumzNBJ1+5bSgQtr7MT7SClA9CcoUxmib5xFQo9eqX09Myg8rB5LEqxk6tnDuh6y4nd2AeWys82uHEgRa3qQGEcDVbQnjjCU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1587126491; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=sBnYRtR4PkxVRdPLfSwo0OXkpo4fwUStBvwUn5z3TxY=; b=AE4/yK6XSdJGgeOw0mpKddR+D9cVoBFlpL9szYbAvV6U6JR9JjNQzHTdls4Z/wGW96AgtL869yrACQJ47VHEsA9n/YEOXOHCvWjaBT+RlzxaeflqJepZAT7SRZ/IKnljrbMUbRNX2kpFTe836ap9TaOQ5TG18q4CWDB9+ZfLarw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of redhat.com designates 205.139.110.120 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) by mx.zohomail.com with SMTPS id 1587126491948469.26780431110524; Fri, 17 Apr 2020 05:28:11 -0700 (PDT) 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-232-9QoZZ5fVNqGzqMmJ3x9rHQ-1; Fri, 17 Apr 2020 08:28:03 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 65D70802681; Fri, 17 Apr 2020 12:27:58 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1ECBE60BFB; Fri, 17 Apr 2020 12:27:57 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 927D518089C8; Fri, 17 Apr 2020 12:27:55 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 03HCRrEe026689 for ; Fri, 17 Apr 2020 08:27:54 -0400 Received: by smtp.corp.redhat.com (Postfix) id D35862028CD3; Fri, 17 Apr 2020 12:27:53 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast01.extmail.prod.ext.rdu2.redhat.com [10.11.55.17]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CF8E12026983 for ; Fri, 17 Apr 2020 12:27:51 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8262B80057B for ; Fri, 17 Apr 2020 12:27:51 +0000 (UTC) Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-333-Xd1fC3mSPW6hdlmhVaxyVQ-1; Fri, 17 Apr 2020 08:27:47 -0400 Received: from pps.filterd (m0187473.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 03HC4aeF090008 for ; Fri, 17 Apr 2020 08:27:46 -0400 Received: from e06smtp03.uk.ibm.com (e06smtp03.uk.ibm.com [195.75.94.99]) by mx0a-001b2d01.pphosted.com with ESMTP id 30fb80sxsd-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 17 Apr 2020 08:27:45 -0400 Received: from localhost by e06smtp03.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 17 Apr 2020 13:27:21 +0100 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 03HCReLp31588760 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Apr 2020 12:27:41 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E291E4C044; Fri, 17 Apr 2020 12:27:40 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BE7854C04A; Fri, 17 Apr 2020 12:27:40 +0000 (GMT) Received: from localhost.localdomain (unknown [9.145.92.187]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 17 Apr 2020 12:27:40 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1587126490; h=from:from:sender:sender: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:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=sBnYRtR4PkxVRdPLfSwo0OXkpo4fwUStBvwUn5z3TxY=; b=MVFBUT0tiXziUjttoHe0sam+NAnT5wkdM+4gbm/iMDjK6k18WB+7JmxGxjJMVcuHJHgNRU bBVZ0y6xFTck/n8r2ZNQrxtv0E9IBowl9boZJsVkh+z2iO1TcfkzsLHRQHlX/UhyjcBOIr dJ7TQyeQ0t3FRfSMeXBHf2xkOIINmV8= X-MC-Unique: 9QoZZ5fVNqGzqMmJ3x9rHQ-1 X-MC-Unique: Xd1fC3mSPW6hdlmhVaxyVQ-1 From: Boris Fiuczynski To: libvir-list@redhat.com Subject: [PATCH v2 2/2] docs: Improve zPCI section in pci-addresses.rst Date: Fri, 17 Apr 2020 14:27:34 +0200 In-Reply-To: <20200417122734.11859-1-fiuczy@linux.ibm.com> References: <20200417122734.11859-1-fiuczy@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 20041712-0012-0000-0000-000003A6279D X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20041712-0013-0000-0000-000021E36B50 Message-Id: <20200417122734.11859-3-fiuczy@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.676 definitions=2020-04-17_03:2020-04-17, 2020-04-17 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=1 mlxlogscore=999 impostorscore=0 lowpriorityscore=0 malwarescore=0 phishscore=0 adultscore=0 priorityscore=1501 bulkscore=0 mlxscore=0 spamscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004170093 X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 03HCRrEe026689 X-loop: libvir-list@redhat.com Cc: cohuck@redhat.com, abologna@redhat.com X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" Improving the zPCI example by choosing more distinct values and adding explanation for fid. Signed-off-by: Boris Fiuczynski Reviewed-by: Cornelia Huck --- docs/pci-addresses.rst | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/docs/pci-addresses.rst b/docs/pci-addresses.rst index 7c8e9edd73..885d50517a 100644 --- a/docs/pci-addresses.rst +++ b/docs/pci-addresses.rst @@ -176,14 +176,14 @@ In the simplest case, the following XML snippet
- +
- +
=20 @@ -191,21 +191,23 @@ will result in the following in a Linux guest: =20 :: =20 - 0001:00:00.0 Ethernet controller: Red Hat, Inc. Virtio network device + 0007:00:00.0 Ethernet controller: Red Hat, Inc. Virtio network device =20 Note that the PCI bridge is not visible in the guest; s390x always has a f= lat -topology. +topology. The PCI address in the guest is generated from the information +provided via the ``zpci`` element: more specifically, ``uid`` is used as t= he +PCI domain. ``fid`` doesn't appear in the PCI address itself, but it will = be +used in sysfs (``/sys/bus/pci/slots/$fid/...``). =20 -Neither are any changes in the PCI address visible in the guest; replacing -the PCI address for the ``virtio-net`` device with +Any changes in the PCI address are not visible in the guest; replacing the= PCI +address for the ``virtio-net`` device with =20 :: =20 -
+
=20 -will result in the exactly same view in the guest, as the addresses there -are generated from the information provided via the ``zpci`` element (in -fact, from the ``uid``). +will result in the exactly same view in the guest, as the ``fid`` and ``ui= d`` +values in the ``zpci`` element remain unchanged. =20 =20 Device assignment --=20 2.25.1