Re: [Xen-devel] vTPM manager and receiving a request

[Jean Guyader <jean.guyader@xxxxxxxxx>]

2010/4/8 ilish ilish <ilishim@xxxxxxxxxxx>:
> Dear all,
> I have a question about the vTPM manager on a Xen system. I want to measure
> the time when vTPM manager receives a command from the VMs and sends a
> respond for the command received. I do not know where to place my time
> function in vTPM manager's source code. Are there any thoughts about my
> issue?

IIANM the vTPM code leaves in qemu as a emulated device.

The guest entry point would be tis_mem_read*/tis_mem_write*,
then the code uses TPM_receive and TPM_send to communicate with the real TPM.

Jean

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