From 2b019dd2f721074f5ee2f81acee19c20d7ae652a Mon Sep 17 00:00:00 2001 From: Daniel Veillard Date: Wed, 21 Dec 2005 16:59:34 +0000 Subject: [PATCH] * docs/architecture.* docs/*: added a section on the architecture and regenerated the docs. Daniel --- ChangeLog | 5 +++ docs/FAQ.html | 2 +- docs/architecture.fig | 87 +++++++++++++++++++++++++++++++++++++++++ docs/architecture.gif | Bin 0 -> 5571 bytes docs/architecture.html | 20 +++++++++- docs/bugs.html | 2 +- docs/downloads.html | 2 +- docs/index.html | 3 ++ docs/intro.html | 2 +- docs/libvir.html | 23 ++++++++++- docs/news.html | 2 +- docs/site.xsl | 2 +- 12 files changed, 142 insertions(+), 8 deletions(-) create mode 100644 docs/architecture.fig create mode 100644 docs/architecture.gif diff --git a/ChangeLog b/ChangeLog index a62ee54221..21b9496223 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +Wed Dec 21 17:58:45 CET 2005 Daniel Veillard + + * docs/architecture.* docs/*: added a section on the architecture + and regenerated the docs. + Mon Dec 19 19:04:11 CET 2005 Daniel Veillard * NEWS docs/libvir.html docs/news.html: preparing 0.0.1 release diff --git a/docs/FAQ.html b/docs/FAQ.html index 57723fbae1..242d3d77db 100644 --- a/docs/FAQ.html +++ b/docs/FAQ.html @@ -7,7 +7,7 @@ H1 {font-family: Verdana,Arial,Helvetica} H2 {font-family: Verdana,Arial,Helvetica} H3 {font-family: Verdana,Arial,Helvetica} A:link, A:visited, A:active { text-decoration: underline } -FAQ
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      • diff --git a/docs/architecture.fig b/docs/architecture.fig new file mode 100644 index 0000000000..86fbc80ba7 --- /dev/null +++ b/docs/architecture.fig @@ -0,0 +1,87 @@ +#FIG 3.2 +Landscape +Center +Inches +Letter +100.00 +Single +-2 +1200 2 +2 2 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5 + 1050 7500 9375 7500 9375 8700 1050 8700 1050 7500 +2 4 0 1 0 7 50 -1 -1 0.000 0 0 7 0 0 5 + 3525 7275 3525 4125 1050 4125 1050 7275 3525 7275 +2 1 1 2 0 7 50 -1 -1 6.000 0 0 -1 0 0 2 + 1050 6540 3540 6525 +2 4 0 1 0 7 50 -1 -1 4.000 0 0 7 0 0 5 + 1590 6900 1590 6645 1140 6645 1140 6900 1590 6900 +2 4 0 1 0 7 50 -1 -1 4.000 0 0 7 0 0 5 + 1590 7185 1590 6930 1140 6930 1140 7185 1590 7185 +2 1 0 4 0 7 50 -1 -1 0.000 0 0 -1 1 1 2 + 1 1 2.00 120.00 240.00 + 1 1 2.00 120.00 240.00 + 1875 7725 8625 7725 +2 2 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5 + 1650 5625 3000 5625 3000 6375 1650 6375 1650 5625 +2 1 0 4 0 7 50 -1 -1 0.000 0 0 -1 1 0 2 + 1 1 2.00 120.00 240.00 + 2850 7725 2850 6375 +2 4 0 1 0 7 50 -1 -1 0.000 0 0 7 0 0 5 + 6450 7275 6450 4125 3975 4125 3975 7275 6450 7275 +2 4 0 1 0 7 50 -1 -1 0.000 0 0 7 0 0 5 + 9300 7275 9300 4125 6825 4125 6825 7275 9300 7275 +2 1 1 2 0 7 50 -1 -1 6.000 0 0 -1 0 0 2 + 3975 6540 6465 6525 +2 1 1 2 0 7 50 -1 -1 6.000 0 0 -1 0 0 2 + 6825 6540 9315 6525 +2 1 0 4 0 7 50 -1 -1 0.000 0 0 -1 1 0 2 + 1 1 2.00 120.00 240.00 + 5400 7725 5400 7050 +2 1 0 4 0 7 50 -1 -1 0.000 0 0 -1 1 0 2 + 1 1 2.00 120.00 240.00 + 8025 7725 8025 7050 +2 2 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5 + 1050 8925 9375 8925 9375 9900 1050 9900 1050 8925 +2 2 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5 + 2100 4575 3450 4575 3450 5325 2100 5325 2100 4575 +2 1 1 3 0 7 50 -1 -1 2.000 0 0 -1 1 0 2 + 1 1 2.00 120.00 240.00 + 3225 5325 3225 8325 +2 1 1 3 0 7 50 -1 -1 2.000 0 0 -1 1 0 2 + 1 1 2.00 120.00 240.00 + 6225 6900 6225 8250 +2 1 1 3 0 7 50 -1 -1 2.000 0 0 -1 1 0 2 + 1 1 2.00 120.00 240.00 + 8925 6900 8925 8250 +2 1 1 3 0 7 50 -1 -1 2.000 0 0 -1 1 0 2 + 1 1 2.00 120.00 240.00 + 1725 7125 1725 8325 +2 1 0 4 0 7 50 -1 -1 0.000 0 0 -1 1 1 2 + 1 1 2.00 120.00 240.00 + 1 1 2.00 120.00 240.00 + 2850 5850 2850 5025 +2 1 1 3 0 7 50 -1 -1 2.000 0 0 -1 1 0 2 + 1 1 2.00 120.00 240.00 + 5175 8475 5175 9375 +2 1 1 3 0 7 50 -1 -1 2.000 0 0 -1 1 0 2 + 1 1 2.00 120.00 240.00 + 1350 7125 1350 9450 +2 1 0 4 0 7 50 -1 -1 0.000 0 0 -1 1 0 2 + 1 1 2.00 120.00 240.00 + 2325 7725 2325 7200 +2 1 1 1 0 7 50 -1 -1 4.000 0 0 -1 0 0 1 + 900 3975 +2 1 1 1 0 7 50 -1 -1 4.000 0 0 -1 0 0 1 + 9525 9975 +4 0 0 50 -1 0 18 0.0000 4 195 870 4350 7980 XenBus\001 +4 0 0 50 -1 0 18 0.0000 4 195 780 1680 6870 drivers\001 +4 0 0 50 -1 0 18 0.0000 4 195 1050 1800 6075 XenStore\001 +4 0 0 50 -1 0 18 0.0000 4 195 900 1875 7125 Kernel0\001 +4 0 0 50 -1 0 18 0.0000 4 195 960 4875 6975 KernelU\001 +4 0 0 50 -1 0 18 0.0000 4 195 960 7650 6975 KernelU\001 +4 0 0 50 -1 0 18 0.0000 4 255 1740 4050 8400 Xen Hypervisor\001 +4 0 0 50 -1 0 18 0.0000 4 195 585 2325 4950 Xend\001 +4 0 0 50 -1 0 18 0.0000 4 195 690 1200 4725 Dom0\001 +4 0 0 50 -1 0 18 0.0000 4 195 750 4875 5325 DomU\001 +4 0 0 50 -1 0 18 0.0000 4 195 750 7650 5325 DomU\001 +4 0 0 50 -1 0 18 0.0000 4 195 1080 3750 9450 Hardware\001 diff --git a/docs/architecture.gif b/docs/architecture.gif new file mode 100644 index 0000000000000000000000000000000000000000..9b820eef1878da18981e133d23c645a88df35dd6 GIT binary patch literal 5571 zc-jHO6+G%kNk%w1VL<|t0e}Di0002y=H?;!1OWg50RSuj0000%0+Im$0{)DTsmtvT zqnxzbi?iOm`wxcVNR|`;nCi;5?hD8AOxN~}=lag~{tpZahs2`sh)gP%%%<}RjY_A~ zs`ZM^YPa03_X`e-$KG%A;{|^`_I7nD%c!;>ylE~QT z_y`#pSRz?zd5QT*nSv+7x!LI{f)X0@336Kcl8UM-`oZeD61zbwYhqh_3zJ*XyBqR* z0?a!~yxJjr?4cadysR4x&GOt(J$-S_ppES--Hpq^4K6XBU{3ykuCSiIE$%+j9xxw| zP;Y>5PY=Hj%k1x8tANS+5sYT=U6|=XiW;y zy?HEIE+I+?8&{@0>C!>Sm@G-sl=d!P*W8)ukep%=3gytTQQv zIacFVu2!v`My(MyXJ=qeh0dC}Zt$b5bWf(2g7akD`ILS3;hXW};en|mXUEBSbK=>P z-+t*OI&93fftQw9-1|LJ+P5>m&ijk_siLhnw*LP5d-kgS-G7fC-fQ%kC)-wp?Z=;H z@GY3&df;_2-%kXV7n@)RHs_mq+iln$fDj5OVTE1Ic3_4Ma@Zey9o8fti09Skm`jlP 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a/docs/architecture.html b/docs/architecture.html index 5dc70869c6..506cc8163b 100644 --- a/docs/architecture.html +++ b/docs/architecture.html @@ -7,4 +7,22 @@ H1 {font-family: Verdana,Arial,Helvetica} H2 {font-family: Verdana,Arial,Helvetica} H3 {font-family: Verdana,Arial,Helvetica} A:link, A:visited, A:active { text-decoration: underline } -libvir architecture
      Red Hat Logo

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      libvir architecture

      Developer Menu
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      Daniel Veillard

      +libvir architecture
      Red Hat Logo

      Libvir the virtualization API

      libvir architecture

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      Made with Libxml2 Logo

      In a Xen environment, program using libvir have to execute 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 informations shared by the hypervisor, the +kernels, the drivers and the xen daemon. Xend, the xen daemon, also runs in +Domain0 and supervise the control and execution of the sets of domains. The +hypervisor, 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:

      The Xen architecture

      The library can be initialized in 2 ways depending on the level of +priviledge of the embedding program. If it runs with root access, +virConnectOpen() can be used, it will use a read/write connection to the Xen +Store and use Xen Hypervisor calls when possible. If it runs without root +access virConnectOpenReadOnly() should be used, it will try to open the +read-only socket /var/run/xenstored/socket_ro to connect to the +Xen Store. In this case use of hypervisor calls and write to the Xen Store +will not be possible, restraining the amount of APIs available and slowing +down information gathering about domains. We expect libvir will also conmnect +to the Xend daemon for some of the domain control operations, though this is +not the case in the 0.0.1 initial version.

      Daniel Veillard

      diff --git a/docs/bugs.html b/docs/bugs.html index e4d4275fe9..83d3301c03 100644 --- a/docs/bugs.html +++ b/docs/bugs.html @@ -7,7 +7,7 @@ H1 {font-family: Verdana,Arial,Helvetica} H2 {font-family: Verdana,Arial,Helvetica} H3 {font-family: Verdana,Arial,Helvetica} A:link, A:visited, A:active { text-decoration: underline } -Reporting bugs and getting help
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      Reporting bugs and getting help

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      There is a mailing-list libvir-list@redhat.com for libvir, +Reporting bugs and getting help
      Red Hat Logo

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      There is a mailing-list libvir-list@redhat.com for libvir, with an on-line archive. Please subscribe to this list before posting by visiting the associated Web page and follow the instructions. Patches with explanations and provided as diff --git a/docs/downloads.html b/docs/downloads.html index bfd075b5d7..d296561758 100644 --- a/docs/downloads.html +++ b/docs/downloads.html @@ -7,7 +7,7 @@ H1 {font-family: Verdana,Arial,Helvetica} H2 {font-family: Verdana,Arial,Helvetica} H3 {font-family: Verdana,Arial,Helvetica} A:link, A:visited, A:active { text-decoration: underline } -Downloads
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      The latest versions of libvir can be found on the libvir.org server ( HTTP, FTP). You will find there the released +Downloads
      Red Hat Logo

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      The latest versions of libvir can be found on the libvir.org server ( HTTP, FTP). You will find there the released versions as well as snapshot tarballs updated from CVS head every hour

      Anonymous CVS is also available, first register onto the server:

      cvs -d :pserver:anoncvs@libvir.org:2401/data/cvs login

      it will request a password, enter anoncvs. Then you can diff --git a/docs/index.html b/docs/index.html index 8818947946..3cca0124e8 100644 --- a/docs/index.html +++ b/docs/index.html @@ -73,6 +73,9 @@ A:link, A:visited, A:active { text-decoration: underline }

    • Introduction
      • +
    • + libvir architecture +
    • Downloads
      • diff --git a/docs/intro.html b/docs/intro.html index b1f7d4420e..66f3c57b23 100644 --- a/docs/intro.html +++ b/docs/intro.html @@ -7,4 +7,4 @@ H1 {font-family: Verdana,Arial,Helvetica} H2 {font-family: Verdana,Arial,Helvetica} H3 {font-family: Verdana,Arial,Helvetica} A:link, A:visited, A:active { text-decoration: underline } -Introduction
      Red Hat Logo

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      Introduction

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      Daniel Veillard

      +Introduction
      Red Hat Logo

      Libvir the virtualization API

      Introduction

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      Daniel Veillard

      diff --git a/docs/libvir.html b/docs/libvir.html index b19f6a5c82..6ee2404fc9 100644 --- a/docs/libvir.html +++ b/docs/libvir.html @@ -46,7 +46,28 @@ progresses.

      libvir architecture

      -

      +

      In a Xen environment, program using libvir have to execute 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 informations shared by the hypervisor, the +kernels, the drivers and the xen daemon. Xend, the xen daemon, also runs in +Domain0 and supervise the control and execution of the sets of domains. The +hypervisor, 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:

      +The Xen architecture + +

      The library can be initialized in 2 ways depending on the level of +priviledge of the embedding program. If it runs with root access, +virConnectOpen() can be used, it will use a read/write connection to the Xen +Store and use Xen Hypervisor calls when possible. If it runs without root +access virConnectOpenReadOnly() should be used, it will try to open the +read-only socket /var/run/xenstored/socket_ro to connect to the +Xen Store. In this case use of hypervisor calls and write to the Xen Store +will not be possible, restraining the amount of APIs available and slowing +down information gathering about domains. We expect libvir will also conmnect +to the Xend daemon for some of the domain control operations, though this is +not the case in the 0.0.1 initial version.

      Downloads

      diff --git a/docs/news.html b/docs/news.html index 4361e4f2e4..a584fa9910 100644 --- a/docs/news.html +++ b/docs/news.html @@ -7,7 +7,7 @@ H1 {font-family: Verdana,Arial,Helvetica} H2 {font-family: Verdana,Arial,Helvetica} H3 {font-family: Verdana,Arial,Helvetica} A:link, A:visited, A:active { text-decoration: underline } -Releases
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      There is no official release yet, just CVS state and snapshot, contact the +Releases
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      Releases

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      There is no official release yet, just CVS state and snapshot, contact the mailing list and check the ChangeLog to gauge progresses.

      • Extending the API

      0.0.1: Dec 19 2005

      • First release
        • diff --git a/docs/site.xsl b/docs/site.xsl index 4c909116de..8f9056dec2 100644 --- a/docs/site.xsl +++ b/docs/site.xsl @@ -67,7 +67,7 @@ - + architecture.html namespaces.html -- 2.47.2