Re: [PATCH v7 00/10] TPM 2.0 support

From: Jarkko Sakkinen
Date: Tue Nov 18 2014 - 01:33:59 EST


Any feedback?

/Jarkko

On Tue, Nov 11, 2014 at 03:45:03PM +0200, Jarkko Sakkinen wrote:
> This patch set enables TPM2 protocol and provides drivers for FIFO and
> CRB interfaces.
>
> v2:
> - Improved struct tpm_chip life-cycle by taking advantage of devres
> API.
> - Refined sysfs attributes as simple key-values thereby not repeating
> mistakes in TPM1 sysfs attributes.
> - Documented functions in tpm-chip.c and tpm2-cmd.c.
> - Documented sysfs attributes.
>
> v3:
> - Lots of fixes in calling order in device drivers (thanks to Jason
> Gunthorpe for pointing these out!).
> - Attach sysfs attributes to the misc device because it represents
> TPM device to the user space.
>
> v4:
> - Disable sysfs attibutes for TPM 2.0 for until we can sort out the
> best approach for them.
> - Fixed all the style issues found with checkpatch.pl.
>
> v5:
> - missing EXPORT_SYMBOL_GPL()
> - own class for TPM devices used for TPM 2.0 devices and onwards.
>
> v6:
> - Non-racy initialization for sysfs attributes using struct device's
> groups field.
> - The class 'tpm' is used now for all TPM devices. For the first device
> node major MISC_MAJOR and minor TPM_MINOR is used in order to retain
> backwards compatability.
>
> v7:
> - Release device number and free struct tpm_chip memory inside
> tpm_dev_release callback.
> - Moved code from tpm-interface.c and tpm_dev.c to tpm-chip.c.
>
> Opens:
> - What we should do with PPI and BIOS log sysfs attributes?
> Can we associate them with the character device without
> breaking anything? Can we postpone this issue after
> this patch set has been pulled?
>
> Jarkko Sakkinen (9):
> tpm: merge duplicate transmit_cmd() functions
> tpm: two-phase chip management functions
> tpm: fix multiple race conditions in tpm_ppi.c
> tpm: rename chip->dev to chip->pdev
> tpm: device class for tpm
> tpm: fix: move sysfs attributes to the correct place.
> tpm: TPM 2.0 baseline support
> tpm: TPM 2.0 CRB Interface
> tpm: TPM 2.0 sysfs attributes
>
> Will Arthur (1):
> tpm: TPM 2.0 FIFO Interface
>
> Documentation/ABI/stable/sysfs-class-tpm2 | 57 +++
> drivers/char/tpm/Kconfig | 9 +
> drivers/char/tpm/Makefile | 3 +-
> drivers/char/tpm/tpm-chip.c | 266 ++++++++++++++
> drivers/char/tpm/tpm-dev.c | 44 +--
> drivers/char/tpm/tpm-interface.c | 261 +++++---------
> drivers/char/tpm/tpm-sysfs.c | 46 +--
> drivers/char/tpm/tpm.h | 134 ++++++-
> drivers/char/tpm/tpm2-cmd.c | 566 ++++++++++++++++++++++++++++++
> drivers/char/tpm/tpm2-sysfs.c | 152 ++++++++
> drivers/char/tpm/tpm_atmel.c | 25 +-
> drivers/char/tpm/tpm_crb.c | 323 +++++++++++++++++
> drivers/char/tpm/tpm_i2c_atmel.c | 49 +--
> drivers/char/tpm/tpm_i2c_infineon.c | 43 +--
> drivers/char/tpm/tpm_i2c_nuvoton.c | 68 ++--
> drivers/char/tpm/tpm_i2c_stm_st33.c | 44 +--
> drivers/char/tpm/tpm_ibmvtpm.c | 17 +-
> drivers/char/tpm/tpm_infineon.c | 51 +--
> drivers/char/tpm/tpm_nsc.c | 34 +-
> drivers/char/tpm/tpm_ppi.c | 136 ++++---
> drivers/char/tpm/tpm_tis.c | 180 ++++++----
> drivers/char/tpm/xen-tpmfront.c | 14 +-
> 22 files changed, 1920 insertions(+), 602 deletions(-)
> create mode 100644 Documentation/ABI/stable/sysfs-class-tpm2
> create mode 100644 drivers/char/tpm/tpm-chip.c
> create mode 100644 drivers/char/tpm/tpm2-cmd.c
> create mode 100644 drivers/char/tpm/tpm2-sysfs.c
> create mode 100644 drivers/char/tpm/tpm_crb.c
>
> --
> 2.1.0
>
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