Re: HVM firmware passthrough - helper library

[Art Napor <artnapor@yahoo.com>]

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Ross,

I rebuilt Xen 4.2.1 with the V5 patch series and the updated helper library. The biospt utility built cleanly and runs on Dom0 with the aformentioned libraries in place. However, I'm not seeing the SMBIOS strings passed through to the DomU (A Centos 5 VM). Options 1 and 3 using the biostpt utility appear to dump the SMBIOS and ACPI tables, but I'm not sure how to pass the tables in to the VM?

[root@localhost biospt]# ./biospt 
Usage:
$ biospt <n>
 1 - Write some SMBIOS tables using MMAP
 2 - Write some SMBIOS tables using SYSFS
 3 - Write some ACPI tables using MMAP
 4 - Write some ACPI using SYSFS
 5 - Read and trace DMI files
 6 - Write out some test files

./biospt 6
Make SMBIOS file from FW.
Fail(1), errno: 2



-
Art



________________________________
 From: Ross Philipson <ross.philipson@citrix.com>
To: xen-devel@lists.xensource.com 
Cc: Art Napor <artnapor@yahoo.com> 
Sent: Wednesday, March 20, 2013 4:08 PM
Subject: Re: HVM firmware passthrough - helper library
 

> Ross,
>
> Finally got back to this project to test out the helper lib using the v3
> hvm-firmware passthrough patches with Xen 4.2.1. When building from
> tools/firmware the build failed with the following output:
>
> make
> gcc -Wl,-soname -Wl,libxenhvm.so.1.0 -shared -o libxenhvm.so.1.0.0
> xenhvm.opic smbios_module.opic acpi_module.opic xh_internal.opic
> /home/ajn131/rpmbuild/SOURCES/xen-4.2.1/tools/firmware/libhvm/../../../tools/xenstore/libxenstore.so
>
> xenhvm.opic: could not read symbols: File in wrong format
> collect2: ld returned 1 exit status
> make: *** [libxenhvm.so.1.0.0] Error 1
>
> I was hoping to integrate the build into the RPM. Any thoughts? Should I
> try it with the latest 4.3?
>
>
> Thanks Again,
>
> -
> Art

Art,

Can you try the attached tarball. A colleague found and fixed a couple
of issues in my sample including the face that it was including in the
wrong Rules.mk.

Thanks
Ross

> ------------------------------------------------------------------------
> *From:* Ross Philipson <Ross.Philipson@citrix.com>
> *To:* "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
> *Cc:* "Art Napor (artnapor@yahoo.com)" <artnapor@yahoo.com>
> *Sent:* Tuesday, January 8, 2013 5:04 PM
> *Subject:* HVM firmware passthrough - helper library
>
> Attached is a tarball with a helper library for reading host ACPI and
> SMBIOS firmware and creating firmware files that can be used with the
> HVM firmware passthrough patches I submitted. I used it in my testing of
> the patches and planned to use it later when we moved to a new Xen
> version. This library was requested by a few people - I hope you find it
> useful.
>
> Ross Philipson
> Senior Software Engineer
> Citrix Systems, Inc
> 14 Crosby Drive
> Bedford, MA 01730
> 781-301-7949
> ross.philipson@citrix.com <mailto:ross.philipson@citrix.com>
>

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