From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabio Fantoni Subject: Re: Need advice to develop some libxl patches Date: Fri, 08 Feb 2013 16:13:43 +0100 Message-ID: <51151627.5040403@tiscali.it> References: <510A9566.7030609@tiscali.it> <1360324253.29432.13.camel@zakaz.uk.xensource.com> Reply-To: fantonifabio@tiscali.it Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============7696774783271571133==" Return-path: In-Reply-To: <1360324253.29432.13.camel@zakaz.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Campbell Cc: xen-devel , Stefano Stabellini List-Id: xen-devel@lists.xenproject.org Questo è un messaggio firmato digitalmente in formato MIME. --===============7696774783271571133== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms000706030801010206040209" Questo è un messaggio firmato digitalmente in formato MIME. --------------ms000706030801010206040209 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Il 08/02/2013 12:50, Ian Campbell ha scritto: > On Fri, 2013-02-08 at 11:36 +0000, Stefano Stabellini wrote: >> On Thu, 31 Jan 2013, Fabio Fantoni wrote: >>> I tested spice vdagent, spice audio and spice usbredirection with qem= u >>> upstream and xen-unstable manually, is all working. >>> I'm start to write some patches to have all spice features on xen 4.3= =2E >>> >>> About vdagent probably no problem. >>> >>> About spice audio on test I actually set this variable manually: >>> >>> export QEMU_AUDIO_DRV=3Dspice >>> >>> I need know how to setup this env variable but for a given hvm domU s= tart. >>> In other word I need to set this env variable on a per domU basis (if= >>> spiceaudio if setted in cfg). >> Pass it from libxl, after all QEMU is spawned by libxl > Setting envvars to configure qemu is a pretty crappy interface though, > given that qemu supports both command line and configuration files for > most other stuff. Perhaps this interface should be fixed upstream to us= e > the standard mechanisms first? >>> About usb redirection the qemu parameters to add are similar to this:= >>> >>> device_model_args=3D["-readconfig","/etc/xen/ich9-ehci-uhci.cfg","-ch= ardev","spicevmc,name=3Dusbredir,id=3Dusbredirchardev1","-device","usb-re= dir,chardev=3Dusbredirchardev1,id=3Dusbredirdev1,bus=3Dehci.0,debug=3D3",= "-chardev","spicevmc,name=3Dusbredir,id=3Dusbredirchardev2","-device","us= b-redir,chardev=3Dusbredirchardev2,id=3Dusbredirdev2,bus=3Dehci.0,debug=3D= 3","-chardev","spicevmc,name=3Dusbredir,id=3Dusbredirchardev3","-device",= "usb-redir,chardev=3Dusbredirchardev3,id=3Dusbredirdev3,bus=3Dehci.0,debu= g=3D3"] >>> >>> Probably is not good point to external generic file (on my test >>> /etc/xen/ich9-ehci-uhci.cfg), someone can tell me the best way for do= this? > What does /etc/xen/ich9-ehci-uhci.cfg contain? Perhaps we might want to= > add USB passthrough as a concept in libxl so as to expose this in a mor= e > "libxl" like manner, instead of just cutting through the qemu options? > (I think George also brought this up a while back). The content is here: http://xenbits.xen.org/gitweb/?p=3Dqemu-upstream-unstable.git;a=3Dblob_pl= ain;f=3Ddocs/ich9-ehci-uhci.cfg;hb=3DHEAD Spice usbredir redirects USB devices from client (where spice-client is=20 launched) to qemu, not from dom0 to qemu. How to expose it in a more "libxl" like manner? > > Ian. > --------------ms000706030801010206040209 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: Firma crittografica S/MIME MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIINhjCC BjQwggQcoAMCAQICASAwDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UEBhMCSUwxFjAUBgNVBAoT DVN0YXJ0Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNp Z25pbmcxKTAnBgNVBAMTIFN0YXJ0Q29tIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA3 MTAyNDIxMDI1NVoXDTE3MTAyNDIxMDI1NVowgYwxCzAJBgNVBAYTAklMMRYwFAYDVQQKEw1T dGFydENvbSBMdGQuMSswKQYDVQQLEyJTZWN1cmUgRGlnaXRhbCBDZXJ0aWZpY2F0ZSBTaWdu aW5nMTgwNgYDVQQDEy9TdGFydENvbSBDbGFzcyAyIFByaW1hcnkgSW50ZXJtZWRpYXRlIENs aWVudCBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMsohUWcASz7GfKrpTOM KqANy9BV7V0igWdGxA8IU77L3aTxErQ+fcxtDYZ36Z6GH0YFn7fq5RADteP0AYzrCA+EQTfi 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