[Xen-devel] RE: [PATCH] txt: 0/6 - Overview

["Cihula, Joseph" <joseph.cihula@xxxxxxxxx>]

Hold off on these patches--there appear to be a few issues when I run them on 
the current tip.

Joe

> -----Original Message-----
> From: xense-devel-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xense-devel-bounces@xxxxxxxxxxxxxxxxxxx]
> On Behalf Of Cihula, Joseph
> Sent: Monday, January 19, 2009 9:48 PM
> To: xen-devel@xxxxxxxxxxxxxxxxxxx; xense-devel@xxxxxxxxxxxxxxxxxxx
> Cc: Wang, Shane; Keir Fraser
> Subject: [Xense-devel] [PATCH] txt: 0/6 - Overview
>
> This patch series are changes to Xen to support new functionality, and a 
> changed API, in the
> tboot project (see http://sourceforge.net/projects/tboot for more info about 
> tboot).  Some of
> these changes originated from comments received when the first set of Linux 
> tboot/Intel(r) TXT
> patches were posted to LKML.
>
> Attached to this patch is a single patch to be applied to the current tip of 
> the tboot source
> tree (located at http://www.bughost.org/repos.hg/tboot.hg).  Due to the API 
> change, for those
> who wish to test the patches, it would be best to apply all of the tboot 
> patch at once and
> test with all of the Xen patches applied to Xen.
>
> Since the API changes are not backwards compatible, the resulting tboot will 
> not work with a
> Xen that does not have the patches applied.  Likewise, a Xen with these 
> patches applied will
> not work with the un-patched tboot.  To keep backward compatibility would 
> have left the
> interface and code fairly ugly and didn't seem worth the trouble.
>
> The Xen patches are as follows:
>
> xen-txt-01-xen_phys_addr_start_fix.patch  - "fix" xen_phys_start for 32b 
> builds
> xen-txt-02-protect_txt_ranges.patch       - explicitly protect TXT addr 
> ranges from dom0
> xen-txt-03-use_protected_dmar.patch       - use TXT's DMA-protected DMAR 
> table to setup VT-d
> xen-txt-04-acpi_gas_support.patch         - ACPI Generic Address Structure 
> for tboot shutdown
> xen-txt-05-unified_shutdown_entry.patch   - single tboot entry point for 
> shutdown
> xen-txt-06-hypervisor_s3_integrity.patch  - hypervisor integrity on S3
>
> We are currently working on a patch that will extend the S3 integrity to 
> domains, as
> configurable via a domain's config file (and always for dom0).
>
> The patches apply cleanly to the latest xen-unstable.
>
> Joe and Shane

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