From nobody Sun Feb 8 20:53:40 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of redhat.com designates 170.10.133.124 as permitted sender) client-ip=170.10.133.124; envelope-from=libvir-list-bounces@redhat.com; helo=us-smtp-delivery-124.mimecast.com; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1615830011; cv=none; d=zohomail.com; s=zohoarc; b=eIFplq2XeZRM5eeUWzrSG9KG7VvLVM5u1NstaDfx4+oGUrpEpySiF0+wO4NX1D06jE+7OZkRFVY9hiUGBnAPkPX76NAxW8g6HL+dZk5oTuSXggYqqw6EMxApuDaPWkz4+ECGHy6uPuYYg/RKZvlI8T4Na1TjclMs5uPPjfLs/5s= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1615830011; 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=pWG7lmORIG9mByA7sY4rrlWRjkK9Wr3w4WP/Trv+glo=; b=O+ypn/K6/oIFI/W0RGRvzj61v58kKsUbmPhfox1fgTIfAcl9PlJiRA0Ci8xAsUexAILfyRG2WpalZM8wJem095PbGhw1pl/SAr4sbDBR1jVOCXegBevf2snwMOmvWIrI+JAa0g2X80+Y1OPpShprFXH941PsMaJSvWLctdS6KOI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mx.zohomail.com with SMTPS id 161583001172255.05750221748235; Mon, 15 Mar 2021 10:40:11 -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-28-2ijczaU0M9qnBpY5XClKEQ-1; Mon, 15 Mar 2021 13:40:07 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id F017C84B9A4; Mon, 15 Mar 2021 17:40:01 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9436061F5C; Mon, 15 Mar 2021 17:40:01 +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 0779D57DC1; Mon, 15 Mar 2021 17:40:01 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 12FHdtjR003438 for ; Mon, 15 Mar 2021 13:39:55 -0400 Received: by smtp.corp.redhat.com (Postfix) id 4C2EA2B9FA; Mon, 15 Mar 2021 17:39:55 +0000 (UTC) Received: from nautilus.local (unknown [10.40.192.76]) by smtp.corp.redhat.com (Postfix) with ESMTP id 73B57620DE; Mon, 15 Mar 2021 17:39:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1615830010; 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=pWG7lmORIG9mByA7sY4rrlWRjkK9Wr3w4WP/Trv+glo=; b=NTC8RPfTBX3KSpk6ePCkeRbt/lf6DrKEdm05Xa3DfPSdkV5TeMvylcbuFdOwMFa5MlGVDh 43XROJY7KKycMwB3BMSJufX8krIAdXo3+uibSkIawJ+/z2v4MYuORmivcv79NzPNTEo0rM Rqx4TzIP8Ziz9n8wdTXznRdediXrfb0= X-MC-Unique: 2ijczaU0M9qnBpY5XClKEQ-1 From: Erik Skultety To: libvir-list@redhat.com Subject: [libvirt PATCH v2 1/3] docs: html.in: Drop the architecture page Date: Mon, 15 Mar 2021 18:39:44 +0100 Message-Id: <061dfc25ed08fa0d62b96c2d615e1b96ff0b9055.1615829966.git.eskultet@redhat.com> In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-loop: libvir-list@redhat.com Cc: eskultet@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 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=libvir-list-bounces@redhat.com 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" The page isn't linked from anywhere and the contents is dated. Images related to the page are also dropped. 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z&>p)sD(P;%mcCB1*gogtv+ZRL%IupJuldx}2#&Fm?r=3DE0<38!+o|*zJI36Y`Ma+<1 zdG971?uRZ*!!FU)C7`Ux?xN>lx#y@4-t4;l%`WYqI!xBuebey%-tq3-v+0mzoj|;z z9|Ah@6hFe)-0)3y@KL;#eB8zE3GyMo;Un+yKK9j6?4PN<@)u?-=3DZ@?&uad(mA3G2B z+cnSfK)>w^FZ57O^hICinU3_DuJlWf;79ND#Gc_%PvlKc^#Bg_S1;;Tul4wy^<59? zTo3m0{qJG+j}Q4?pZJqs)sk=3DdWN)!x&iS41`JWH^te*L!Px_^A R`lpZjsjvD=3DfC2>o06Q2Wc~SrX diff --git a/docs/architecture.html.in b/docs/architecture.html.in deleted file mode 100644 index 7a5cf2dca8..0000000000 --- a/docs/architecture.html.in +++ /dev/null @@ -1,82 +0,0 @@ - - - - -

libvirt architecture

- -

- Currently libvirt supports 2 kind of virtualization, and its - internal structure is based on a driver model which simplifies - adding new - engines: -

- -
    - -

    Xen support

    - -

    When running in a Xen environment, programs using libvirt have to e= xecute -in "Domain 0", which is the primary Linux OS loaded on the machine. That OS -kernel provides most if not all of the actual drivers used by the set of -domains. It also runs the Xen Store, a database of information shared by t= he -hypervisor, the backend drivers, any running domains, and libxl (aka libxe= nlight). -libxl provides a set of APIs for creating and managing domains, which can = be used -by applications such as the xl tool provided by Xen or libvirt. The hyperv= isor, -drivers, kernels and daemons communicate though a shared system bus -implemented in the hypervisor. The figure below tries to provide a view of -this environment:

    - 3D"The -

    The library will interact with libxl for all management operations -on a Xen system.

    -

    Note that the libvirt libxl driver only supports root access.

    - -

    QEMU and KVM support

    - -

    The model for QEMU and KVM is completely similar, basically KVM is = based -on QEMU for the process controlling a new domain, only small details diffe= rs -between the two. In both case the libvirt API is provided by a controlling -process forked by libvirt in the background and which launch and control t= he -QEMU or KVM process. That program called libvirt_qemud talks though a spec= ific -protocol to the library, and connects to the console of the QEMU process in -order to control and report on its status. Libvirt tries to expose all the -emulations models of QEMU, the selection is done when creating the new -domain, by specifying the architecture and machine type targeted.

    -

    The code controlling the QEMU process is available in the -qemud/ directory.

    - -

    Driver based architecture

    - -

    As the previous section explains, libvirt can communicate using dif= ferent -channels with the current hypervisor, and should also be able to use -different kind of hypervisor. To simplify the internal design, code, ease -maintenance and simplify the support of other virtualization engine the -internals have been structured as one core component, the libvirt.c module -acting as a front-end for the library API and a set of hypervisor drivers -defining a common set of routines. That way the Xen Daemon access, the Xen -Store one, the Hypervisor hypercall are all isolated in separate C modules -implementing at least a subset of the common operations defined by the -drivers present in driver.h:

    -
      -
    • xend_internal: implements the driver functions though the Xen - Daemon
      • -
    • xs_internal: implements the subset of the driver available thoug= h the - Xen Store
      • -
    • xen_internal: provide the implementation of the functions possib= le via - direct hypervisor access
      • -
    • proxy_internal: provide read-only Xen access via a proxy, the pr= oxy code - is in the proxy/ directory.
      • -
    • xm_internal: provide support for Xen defined but not running - domains.
      • -
    • qemu_internal: implement the driver functions for QEMU and - KVM virtualization engines. It also uses a qemud/ specific daemon - which interacts with the QEMU process to implement libvirt API.
      • -
    • test: this is a test driver useful for regression tests of the - front-end part of libvirt.
      • -
    -

    Note that a given driver may only implement a subset of those funct= ions, -(for example saving a Xen domain state to disk and restoring it is only -possible though the Xen Daemon), in that case the driver entry points for -unsupported functions are initialized to NULL.

    -

    - - diff --git a/docs/architecture.svg b/docs/architecture.svg deleted file mode 100644 index 1e1555156b..0000000000 --- a/docs/architecture.svg +++ /dev/null @@ -1,239 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -XenBus - -drivers - -XenStore - -Kernel0 - -KernelU - -KernelU - -Xen Hypervisor - -Xend - -Dom0 - -DomU - -DomU - -Hardware - - diff --git a/docs/meson.build b/docs/meson.build index 36cf679929..fdaf369271 100644 --- a/docs/meson.build +++ b/docs/meson.build @@ -7,7 +7,6 @@ docs_assets =3D [ 'android-chrome-192x192.png', 'android-chrome-256x256.png', 'apple-touch-icon.png', - 'architecture.gif', 'browserconfig.xml', 'favicon.ico', 'favicon-16x16.png', @@ -32,7 +31,6 @@ docs_assets =3D [ =20 docs_html_in_files =3D [ '404', - 'architecture', 'auth', 'bugs', 'cgroups', --=20 2.29.2