Messages in this thread | ![/](/images/icornerl.gif) | | From | Andy Lutomirski <> | Date | Wed, 9 Mar 2016 10:01:05 -0800 | Subject | Re: [PATCH v6 08/11] tpm: Driver for supporting multiple emulated TPMs |
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On Wed, Mar 9, 2016 at 9:39 AM, Stefan Berger <stefanb@linux.vnet.ibm.com> wrote: > This patch implements a driver for supporting multiple emulated TPMs in a > system. > > The driver implements a device /dev/vtpmx that is used to created > a client device pair /dev/tpmX (e.g., /dev/tpm10) and a server side that > is accessed using a file descriptor returned by an ioctl. > The device /dev/tpmX is the usual TPM device created by the core TPM > driver. Applications or kernel subsystems can send TPM commands to it > and the corresponding server-side file descriptor receives these > commands and delivers them to an emulated TPM.
Nifty!
Is anyone considering writing a modification or replacement of trousers that creates claims the real tpm and exposes a vtpm that handles multiplexing internally? Does the vtpm driver intelligently support multiple simultaneous clients?
--Andy
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