On Fri, Mar 03, 2017 at 05:19:01PM +0200, Jarkko Sakkinen wrote: > This patch set adds support for TPM spaces that provide an isolated > execution context for transient objects and HMAC and policy sessions. A > space is swapped into TPM volatile memory only when it is used and > swapped out after the use. > > There's a test script for trying out TPM spaces in > > git://git.infradead.org/users/jjs/tpm2-scripts.git > > A simple smoke test suite can be run by > > sudo python -m unittest -v tpm2_smoke.SpaceTest > > v3: > * Reverted back to /dev/tpmrm0 that was actually James' original > proposal. It's the most pragmatic choice as it cannot be mixed > with other TPM 2.0 and kernel idioms easily. > > v2: > * Substitute virtual handle in ContextSave. > * Substitute virtual handles in GetCapability. > * Validate that the real response length and the one reported in the > header match in tpm_transmit(). > > > James Bottomley (3): > tpm: split out tpm-dev.c into tpm-dev.c and tpm-common-dev.c > tpm: expose spaces via a device link /dev/tpmrm<n> > tpm2: add session handle context saving and restoring to the space > code > > Jarkko Sakkinen (4): > tpm: move length validation to tpm_transmit() > tpm: validate TPM 2.0 commands > tpm: export tpm2_flush_context_cmd > tpm: infrastructure for TPM spaces > > drivers/char/tpm/Makefile | 3 +- > drivers/char/tpm/tpm-chip.c | 71 ++++- > drivers/char/tpm/tpm-dev-common.c | 148 +++++++++++ > drivers/char/tpm/tpm-dev.c | 143 +--------- > drivers/char/tpm/tpm-dev.h | 27 ++ > drivers/char/tpm/tpm-interface.c | 131 +++++++--- > drivers/char/tpm/tpm-sysfs.c | 2 +- > drivers/char/tpm/tpm.h | 49 +++- > drivers/char/tpm/tpm2-cmd.c | 173 +++++++++---- > drivers/char/tpm/tpm2-space.c | 532 > ++++++++++++++++++++++++++++++++++++++ > drivers/char/tpm/tpmrm-dev.c | 65 +++++ > 11 files changed, 1123 insertions(+), 221 deletions(-) > create mode 100644 drivers/char/tpm/tpm-dev-common.c > create mode 100644 drivers/char/tpm/tpm-dev.h > create mode 100644 drivers/char/tpm/tpm2-space.c > create mode 100644 drivers/char/tpm/tpmrm-dev.c > > -- > 2.9.3 >
Should I put this available to linux-next? I would think it would make sense. I'm still looking forward to get more reviewed-by's and tested-by's but that way it might be easier to get those... /Jarkko