| Message ID | 1495661981-27249-2-git-send-email-stefanb@linux.vnet.ibm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed, May 24, 2017 at 05:39:39PM -0400, Stefan Berger wrote: > Introduce the flag TPM_TRANSMIT_RAW that allows us to transmit > a command without recursing into the requesting of locality. > > Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> > Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> I'll rename the constant as TPM_TRANSMIT_NO_LOCALITY if you don't mind. /Jarkko > --- > drivers/char/tpm/tpm-interface.c | 3 ++- > drivers/char/tpm/tpm.h | 1 + > 2 files changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c > index 4ed08ab..2eacda2 100644 > --- a/drivers/char/tpm/tpm-interface.c > +++ b/drivers/char/tpm/tpm-interface.c > @@ -416,7 +416,8 @@ ssize_t tpm_transmit(struct tpm_chip *chip, struct tpm_space *space, > /* Store the decision as chip->locality will be changed. */ > need_locality = chip->locality == -1; > > - if (need_locality && chip->ops->request_locality) { > + if (!(flags & TPM_TRANSMIT_RAW) && > + need_locality && chip->ops->request_locality) { > rc = chip->ops->request_locality(chip, 0); > if (rc < 0) > goto out_no_locality; > diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h > index e81d8c7..25d9858 100644 > --- a/drivers/char/tpm/tpm.h > +++ b/drivers/char/tpm/tpm.h > @@ -525,6 +525,7 @@ extern struct idr dev_nums_idr; > > enum tpm_transmit_flags { > TPM_TRANSMIT_UNLOCKED = BIT(0), > + TPM_TRANSMIT_RAW = BIT(1), > }; > > ssize_t tpm_transmit(struct tpm_chip *chip, struct tpm_space *space, > -- > 2.4.3 > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot
On 05/24/2017 06:18 PM, Jarkko Sakkinen wrote: > On Wed, May 24, 2017 at 05:39:39PM -0400, Stefan Berger wrote: >> Introduce the flag TPM_TRANSMIT_RAW that allows us to transmit >> a command without recursing into the requesting of locality. >> >> Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> >> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> > I'll rename the constant as TPM_TRANSMIT_NO_LOCALITY if you don't mind. Fine by me. Stefan ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index 4ed08ab..2eacda2 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -416,7 +416,8 @@ ssize_t tpm_transmit(struct tpm_chip *chip, struct tpm_space *space, /* Store the decision as chip->locality will be changed. */ need_locality = chip->locality == -1; - if (need_locality && chip->ops->request_locality) { + if (!(flags & TPM_TRANSMIT_RAW) && + need_locality && chip->ops->request_locality) { rc = chip->ops->request_locality(chip, 0); if (rc < 0) goto out_no_locality; diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index e81d8c7..25d9858 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -525,6 +525,7 @@ extern struct idr dev_nums_idr; enum tpm_transmit_flags { TPM_TRANSMIT_UNLOCKED = BIT(0), + TPM_TRANSMIT_RAW = BIT(1), }; ssize_t tpm_transmit(struct tpm_chip *chip, struct tpm_space *space,