From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarkko Sakkinen Subject: Re: [PATCH v4 00/10] Multi-instance vTPM driver Date: Fri, 4 Mar 2016 19:05:28 +0200 Message-ID: <20160304170528.GA17408@intel.com> References: <1456766996-9300-1-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: <1456766996-9300-1-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 Mon, Feb 29, 2016 at 12:29:46PM -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. > > The driver is based on James Morris's 'next' branch and uses several > recently posted patches from Jason and Jarkko. Some of these patches > needed to rebased on top of this tree. I've now applied these patches to my master branch so that they get more exposure: git://git.infradead.org/users/jjs/linux-tpmdd.git All patches are applied except the last one containing the test program. Could you put a repository to somewhere for it? Thanks for the good work! /Jarkko > Stefan > > > 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 | 221 +++++++++---- > drivers/char/tpm/tpm-dev.c | 15 +- > drivers/char/tpm/tpm-interface.c | 50 +-- > drivers/char/tpm/tpm-sysfs.c | 22 +- > drivers/char/tpm/tpm-vtpm.c | 613 ++++++++++++++++++++++++++++++++++++ > 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 | 41 +++ > vtpmctrl.c | 163 ++++++++++ > 21 files changed, 1120 insertions(+), 179 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 > ------------------------------------------------------------------------------