From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarkko Sakkinen Subject: Re: [PATCH v3 00/11] Multi-instance vTPM driver Date: Mon, 22 Feb 2016 21:20:26 +0200 Message-ID: <20160222192026.GA32667@intel.com> References: <1455885728-10315-1-git-send-email-stefanb@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1455885728-10315-1-git-send-email-stefanb-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tpmdd-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Stefan Berger Cc: tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: tpmdd-devel@lists.sourceforge.net On Fri, Feb 19, 2016 at 07:41:57AM -0500, Stefan Berger wrote: > The following series of patches implements a multi-instance vTPM driver > that can dynamically create TPM 'server' and client device pairs. > > Using an ioctl on the provided /dev/vtpmx, a client-side vTPM device > and a server side file descriptor is created. The file descriptor must > be passed to a TPM emulator. The device driver will initialize the > emulated TPM using TPM 1.2 or TPM 2 startup commands and it will read > the command durations from the device in case of a TPM 1.2. The choice > of emulated TPM device (1.2 or 2) must be provided with a flag in > the ioctl. I think it would be good to have something in Documentation/ (eventually). /Jarkko > The driver is based on Linux 4.4 and uses several recently posted patches > from Jason and Jarkko. I may have adapted them to fit on top of Linux 4.4. > > Stefan > > > Jarkko Sakkinen (1): > tpm: fix the cleanup of struct tpm_chip > > Jason Gunthorpe (4): > tpm: Get rid of chip->pdev > tpm: Get rid of devname > tpm: Provide strong locking for device removal > tpm: Split out the devm stuff from tpmm_chip_alloc > > Stefan Berger (6): > tpm: Get rid of module locking > tpm: Replace device number bitmap with IDR > tpm: Introduce TPM_CHIP_FLAG_VIRTUAL > tpm: Driver for supporting multiple emulated TPMs > tpm: Initialize TPM and get durations and timeouts > A test program for vTPM device creation > > drivers/char/tpm/Kconfig | 10 + > drivers/char/tpm/Makefile | 1 + > drivers/char/tpm/tpm-chip.c | 217 +++++++++---- > drivers/char/tpm/tpm-dev.c | 15 +- > drivers/char/tpm/tpm-interface.c | 49 +-- > drivers/char/tpm/tpm-sysfs.c | 20 +- > drivers/char/tpm/tpm-vtpm.c | 610 ++++++++++++++++++++++++++++++++++++ > drivers/char/tpm/tpm.h | 30 +- > drivers/char/tpm/tpm2-cmd.c | 8 +- > drivers/char/tpm/tpm_atmel.c | 14 +- > drivers/char/tpm/tpm_eventlog.c | 2 +- > drivers/char/tpm/tpm_eventlog.h | 2 +- > drivers/char/tpm/tpm_i2c_atmel.c | 16 +- > drivers/char/tpm/tpm_i2c_infineon.c | 6 +- > drivers/char/tpm/tpm_i2c_nuvoton.c | 24 +- > drivers/char/tpm/tpm_infineon.c | 22 +- > drivers/char/tpm/tpm_nsc.c | 20 +- > drivers/char/tpm/tpm_tis.c | 18 +- > include/uapi/linux/Kbuild | 1 + > include/uapi/linux/vtpm.h | 38 +++ > vtpmctrl.c | 163 ++++++++++ > 21 files changed, 1111 insertions(+), 175 deletions(-) > create mode 100644 drivers/char/tpm/tpm-vtpm.c > create mode 100644 include/uapi/linux/vtpm.h > create mode 100644 vtpmctrl.c > > -- > 2.4.3 > ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140