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* stubdom/vtpm: make state save operation atomicDaniel De Graaf2013-04-121-14/+60
| | | | | | | | | | This changes the save format of the vtpm stubdom to include two copies of the saved data: one active, and one inactive. When saving the state, data is written to the inactive slot before updating the key and hash saved with the TPM Manager, which determines the active slot when the vTPM starts up. Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
* add vtpm-stubdom codeMatthew Fioravante2013-01-181-0/+307
Add the code base for vtpm-stubdom to the stubdom heirarchy. Makefile changes in later patch. Signed-off-by: Matthew Fioravante <matthew.fioravante@jhuapl.edu> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>