Re: [Qemu-devel] [PATCH V4 01/10] Support for TPM command line options

[Serge E. Hallyn]

Quoting Stefan Berger (address@hidden):
> On 05/17/2011 04:58 PM, Serge E. Hallyn wrote:
> >Quoting Stefan Berger (address@hidden):
> >>This patch adds support for TPM command line options.
> >>The command line supported here (considering the libtpms based
> >>backend) are
> >>
> >>./qemu-... -tpm type=<type>,path=<path to blockstorage file>,
> >Hm, I did
> >
> >kvm -tpm type=builtin,path=tpm.img -m 1G disk.img -vnc :1
> >
> >with disk.img being a newly installed VM.  I installed trousers
> >and tpm-tools, tried loading the tpm, tpm_tis, tpm_infineon, and
> >some other modules, /dev/tpm was never created, and
> >
> >   tpm_takeownership
> >
> >continued to give me:
> >
> >Tspi_Context_Connect failed: 0x00003011 - layer=tsp, code=0011 (17), 
> >Communication failure
> >
> >Which kernel module should work with builtin?
> The device model is a tpm-tis. So modprobe tpm_tis should create a
> /dev/tpm0. If nothing else helps enable the DEBUG_TIS in hw/tpm_tis
> and recompile.
> 
> Did you start it with SeaBIOS and the TPM-related patches applied to

No, feh!  I'll go grab those, thanks.

Sorry, I had apparently moved 0/10 (bc it screws up git am), and
then thought 1/10 was also the intro bc it looks like it has an
intro.  (Now I see 0/10 at
http://lists.gnu.org/archive/html/qemu-devel/2011-05/msg00541.html)

thanks,
-serge