From: Jean Guyader <jean.guyader@gmail.com>
To: ilish ilish <ilishim@hotmail.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: vTPM manager and receiving a request
Date: Thu, 8 Apr 2010 09:08:00 +0100 [thread overview]
Message-ID: <w2hf68b66461004080108n8603af73y69a09f443c45d9ee@mail.gmail.com> (raw)
In-Reply-To: <BLU145-W87E3CF4161753BDE4889CBC160@phx.gbl>
2010/4/8 ilish ilish <ilishim@hotmail.com>:
> 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
prev parent reply other threads:[~2010-04-08 8:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-08 2:12 vTPM manager and receiving a request ilish ilish
2010-04-08 8:08 ` Jean Guyader [this message]
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