On 02/05/2017 03:11 AM, b...@skyportsystems.com wrote: > From: Ben Warren <b...@skyportsystems.com> > > This patch is based off an earlier version by > Gal Hammer (gham...@redhat.com) > > Requirements section, ASCII diagrams and overall help > provided by Laszlo Ersek (ler...@redhat.com) > > Signed-off-by: Gal Hammer <gham...@redhat.com> > Signed-off-by: Ben Warren <b...@skyportsystems.com> > --- > docs/specs/vmgenid.txt | 239 > +++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 239 insertions(+) > create mode 100644 docs/specs/vmgenid.txt >
> + > + > +Design Details: > +--------------- > + > +Requirements R1a through R1e dicate that the memory holding the s/dicate/dictate/ > +VM Generation ID must be allocated and owned by the guest operating system, > + > +GUID Storage Format: > +-------------------- > + > +In order to work with OVMF "SDT Header Probe Supressor", the contents of s/Supressor/Suppressor/ > +the vmgenid fw_cfg blob are not simply a 128-bit GUID. There is also > +significant padding in order to align and fill a memory page, as shown in the > +following diagram: > + > ++----------------------------------+ > +| SSDT with OEM Table ID = VMGENID | > ++----------------------------------+ > +| ... | TOP OF PAGE > +| VGIA dword object ---------------|-----> +---------------------------+ > +| ... | | fw-allocated array for | > +| _STA method referring to VGIA | | "etc/vmgenid" | Inconsistent whitespace -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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