On 06/04/2013 12:18 PM, Corey Bryant wrote: > This patch series provides persistent storage support that a TPM > can use to store NVRAM data. It uses QEMU's block driver to store > data on a drive image. The libtpms TPM 1.2 backend will be the > initial user of this functionality to store data that must persist > through a reboot or migration. A sample command line may look like > this: > > qemu-system-x86_64 ... > -drive file=/path/to/nvram.qcow2,id=drive-nvram0-0-0 > -tpmdev libtpms,id=tpm-tpm0 > -device tpm-tis,tpmdev=tpm-tpm0,id=tpm0,drive=drive-nvram0-0-0
Is a TPM device hot-pluggable? If so, do you have a design for the QMP counterpart in mind? > > Thanks, > Corey > > Corey Bryant (2): > nvram: Add TPM NVRAM implementation > nvram: Add tpm-tis drive support > > hw/tpm/Makefile.objs | 1 + > hw/tpm/tpm_int.h | 2 + > hw/tpm/tpm_nvram.c | 399 > ++++++++++++++++++++++++++++++++++++++++++++++++++ > hw/tpm/tpm_nvram.h | 25 +++ > hw/tpm/tpm_tis.c | 8 + > 5 files changed, 435 insertions(+), 0 deletions(-) > create mode 100644 hw/tpm/tpm_nvram.c > create mode 100644 hw/tpm/tpm_nvram.h > > > > -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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