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[85.223.209.22]) by smtp.gmail.com with ESMTPSA id m25sm3185996lfp.97.2019.07.09.01.41.41 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 09 Jul 2019 01:41:41 -0700 (PDT) X-Inumbo-ID: 60b267a9-a225-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=NCsMDWdhHqZtwRwQ6PNLfw280LznH3Mhnn8HSHFK/uU=; b=Ihe1/jQz8cYppZZNzfZOH9lwhukgEQiqqwKy7un7XxlRJ9kEycjvRccRsiwoC8g9yx Jb+LjZsbjgwIHLbUOfVXAatpBWy0xXhlHELVrXWrb5AI4X32+kcWz1+EKu505kU05SA3 EQu7u7NNj6gBanHzFQMjEtRp447FMjZHH3zadz8O6cMThtxBWQFoZHrd4xC68bO9njFY 1Zc7husaR0IWtTtAyXxfnvcoC0QjHCJE4QqsJrCo774ZSAKEqjakE9neUSDj0ejSmg+c 2/PTW/SlBfYstXzdGSpv5rxJew8FHsPybqpiDLTI87vOSVixle4aQmXL/zrpD96hdEO2 K9eQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=NCsMDWdhHqZtwRwQ6PNLfw280LznH3Mhnn8HSHFK/uU=; b=dJDvzz4MDBJX/MBeCy0WFTPwg9sH0S3/EQlq86UdoMx2ZvPVDJNTT6OT1sCKt0Gp6Y 5ut03oGyO0lbiHz8e+PPQ6mRn3g5/QgX9DYrRKgFOzgWoqhgKqXuyI5obDTxpgjxMaSe ZZ2lG81/wDXbtG8F1dzbhWVRSvxYoEj6a4ZyBvCwFukKOvfyd1lRztkiQZmQvqPLcHis 6NgLwMUFKUf4UTE8iKkBAbWgPrXwBGfVLsDoXyM5eGOTU1VZ5z0dwQoQcWzR8OLIg4rF S5/KFWg08ccCvgyLNjqnoD2IjWRA/QNI7zfGfpb3UPFen9zXZxuHP8xMCrJ6GnruOUaD iR1A== X-Gm-Message-State: APjAAAXYimYhoLDe/vmLyJW26UxvbBHAu700JnqZCRHIixpZoxD07kuU y+A0YiF/3/BrHaEvUjimgcpw75T+WB8= X-Google-Smtp-Source: APXvYqzsZvXMDmi4Q8YBgkx/7HUllRKllxHWHIew+GJxDPrqIHfO5TeZAsIFGW1eXLXIboJ1wwXxBQ== X-Received: by 2002:a2e:9155:: with SMTP id q21mr12893276ljg.198.1562661702376; Tue, 09 Jul 2019 01:41:42 -0700 (PDT) From: Viktor Mitin To: xen-devel@lists.xenproject.org Date: Tue, 9 Jul 2019 11:41:16 +0300 Message-Id: <20190709084116.11488-1-viktor.mitin.19@gmail.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Subject: [Xen-devel] [PATCH v2] xen/doc: Improve Dom0-less documentation X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Viktor Mitin , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Tim Deegan , Julien Grall , Jan Beulich , Viktor Mitin Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) - Changed unprintable characters with %s/\%xA0/ /g So all the spaces are 0x20 now. - Added address-cells and size-cells to configuration example. This resolves the dom0less boot issue in case of arm64. - Added some notes about xl tools usage in case of dom0less. Signed-off-by: Viktor Mitin --- docs/features/dom0less.pandoc | 58 +++++++++++++++++++++++------------ 1 file changed, 39 insertions(+), 19 deletions(-) diff --git a/docs/features/dom0less.pandoc b/docs/features/dom0less.pandoc index e076e3739e..d4f44b5502 100644 --- a/docs/features/dom0less.pandoc +++ b/docs/features/dom0less.pandoc @@ -40,8 +40,8 @@ to boot. For example if this is the bootcmd for Xen and D= om0: =20 bootm 0x1400000 0x9000000 0x1280000 =20 -If we want to add one DomU with Image-DomU=C2=A0as the DomU kernel -and=C2=A0ramdisk-DomU=C2=A0as DomU ramdisk: +If we want to add one DomU with Image-DomU as the DomU kernel +and ramdisk-DomU as DomU ramdisk: =20 tftpb 0x1280000 xen.dtb tftpb 0x80000 xen-Image @@ -61,25 +61,27 @@ the presence of the additional VM and its configuration= . It is done via device tree adding a node under /chosen as follows: =20 domU1 { - =C2=A0 =C2=A0 compatible =3D "xen,domain"; - =C2=A0 =C2=A0 memory =3D <0x20000>; - =C2=A0 =C2=A0cpus =3D 1; - =C2=A0=C2=A0 =C2=A0vpl011; - - =C2=A0 =C2=A0 module@2000000 { - =C2=A0 =C2=A0 =C2=A0 =C2=A0 compatible =3D "multiboot,kernel", "multib= oot,module"; - =C2=A0 =C2=A0 =C2=A0 =C2=A0 reg =3D <0x2000000 0xffffff>; - =C2=A0 =C2=A0 =C2=A0 =C2=A0 bootargs =3D "console=3DttyAMA0"; - =C2=A0 =C2=A0 }; - - =C2=A0 =C2=A0 module@30000000 { - =C2=A0 =C2=A0 =C2=A0 =C2=A0 compatible =3D "multiboot,ramdisk", "multi= boot,module"; - =C2=A0 =C2=A0 =C2=A0 =C2=A0 reg =3D <0x3000000 0xffffff>; - =C2=A0 =C2=A0 }; + #address-cells =3D <0x00000001>; + #size-cells =3D <0x00000001>; + compatible =3D "xen,domain"; + memory =3D <0x20000>; + cpus =3D 1; + vpl011; + + module@2000000 { + compatible =3D "multiboot,kernel", "multiboot,module"; + reg =3D <0x2000000 0xffffff>; + bootargs =3D "console=3DttyAMA0"; + }; + + module@30000000 { + compatible =3D "multiboot,ramdisk", "multiboot,module"; + reg =3D <0x3000000 0xffffff>; + }; }; =20 -Where memory is the memory of the VM in KBs, cpus=C2=A0is the number of -cpus.=C2=A0module@2000000 and=C2=A0module@3000000 advertise where the kern= el and +Where memory is the memory of the VM in KBs, cpus is the number of +cpus. module@2000000 and module@3000000 advertise where the kernel and ramdisk are in memory. =20 See docs/misc/arm/device-tree/booting.txt for more information. @@ -111,3 +113,21 @@ limitations: the Xen command line. The NULL scheduler automatically assigns and pins vCPUs to pCPUs, but the vCPU-pCPU assignments cannot be configured. + +Notes +----- + +- 'xl console' command will not attach to the domain's console in case + of dom0less. DomU are domains created by Xen (similar to Dom0) and + therefore they are all managed by Xen and some of the commands may not w= ork. + + A user is allowed to configure the key sequence to switch input. + Pressing the Xen "conswitch" (Ctrl-A by default) three times + switches input in case of dom0less mode. + +- Domains created by Xen will have no name at boot. Domain-0 has a name + thanks to the helper xen-init-dom0 called at boot by the initscript. + If you want to setup DomU name, then you will have to create the xenstore + node associated. By default DomU names are shown as '(null)' in the + xl domains list. + --=20 2.17.1 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel