Messages in this thread | | | Subject | Re: [PATCH v5 06/21] tpm: move tpm1_pcr_extend to tpm1-cmd.c | From | Nayna Jain <> | Date | Fri, 12 Oct 2018 15:01:24 +0530 |
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On 09/29/2018 04:00 AM, Tomas Winkler wrote: > Move tpm1_pcr_extend to tpm1-cmd.c and remove > unused pcrextend_header structure and > EXTEND_PCR_RESULT_SIZE and EXTEND_PCR_RESULT_BODY_SIZE > defines. > > Fixes warning: > drivers/char/tpm/tpm-interface.c:609:38: warning: ‘pcrextend_header’ defined but not used [-Wunused-const-variable=] > static const struct tpm_input_header pcrextend_header = { > ^~~~~~~~~~~~~~~~ > > Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> > Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> > --- > > V2-V3: Rebase > V4: Remove defines. > V5: Resend. > > drivers/char/tpm/tpm-interface.c | 28 ---------------------------- > drivers/char/tpm/tpm.h | 2 ++ > drivers/char/tpm/tpm1-cmd.c | 21 +++++++++++++++++++++ > 3 files changed, 23 insertions(+), 28 deletions(-) > > diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c > index 1fa0300f3829..ac73e6ac3d83 100644 > --- a/drivers/char/tpm/tpm-interface.c > +++ b/drivers/char/tpm/tpm-interface.c > @@ -614,34 +614,6 @@ int tpm_pcr_read(struct tpm_chip *chip, int pcr_idx, u8 *res_buf) > } > EXPORT_SYMBOL_GPL(tpm_pcr_read); > > -#define TPM_ORD_PCR_EXTEND 20 > -#define EXTEND_PCR_RESULT_SIZE 34 > -#define EXTEND_PCR_RESULT_BODY_SIZE 20 > -static const struct tpm_input_header pcrextend_header = { > - .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND), > - .length = cpu_to_be32(34), > - .ordinal = cpu_to_be32(TPM_ORD_PCR_EXTEND) > -}; > - > -static int tpm1_pcr_extend(struct tpm_chip *chip, int pcr_idx, const u8 *hash, > - char *log_msg) > -{ > - struct tpm_buf buf; > - int rc; > - > - rc = tpm_buf_init(&buf, TPM_TAG_RQU_COMMAND, TPM_ORD_PCR_EXTEND); > - if (rc) > - return rc; > - > - tpm_buf_append_u32(&buf, pcr_idx); > - tpm_buf_append(&buf, hash, TPM_DIGEST_SIZE); > - > - rc = tpm_transmit_cmd(chip, NULL, buf.data, EXTEND_PCR_RESULT_SIZE, > - EXTEND_PCR_RESULT_BODY_SIZE, 0, log_msg); > - tpm_buf_destroy(&buf); > - return rc; > -} > - > /** > * tpm_pcr_extend - extend a PCR value in SHA1 bank. > * @chip: a &struct tpm_chip instance, %NULL for the default chip > diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h > index a97d72fcda5b..3fb268f43955 100644 > --- a/drivers/char/tpm/tpm.h > +++ b/drivers/char/tpm/tpm.h > @@ -549,6 +549,8 @@ int tpm_do_selftest(struct tpm_chip *chip); > int tpm1_auto_startup(struct tpm_chip *chip); > int tpm1_get_timeouts(struct tpm_chip *chip); > unsigned long tpm1_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal); > +int tpm1_pcr_extend(struct tpm_chip *chip, int pcr_idx, const u8 *hash, > + const char *log_msg); > unsigned long tpm_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal); > int tpm_pm_suspend(struct device *dev); > int tpm_pm_resume(struct device *dev); > diff --git a/drivers/char/tpm/tpm1-cmd.c b/drivers/char/tpm/tpm1-cmd.c > index 978946748ea3..ec242397e6dc 100644 > --- a/drivers/char/tpm/tpm1-cmd.c > +++ b/drivers/char/tpm/tpm1-cmd.c > @@ -413,3 +413,24 @@ int tpm1_get_timeouts(struct tpm_chip *chip) > chip->flags |= TPM_CHIP_FLAG_HAVE_TIMEOUTS; > return 0; > } > + > +#define TPM_ORD_PCR_EXTEND 20 > +int tpm1_pcr_extend(struct tpm_chip *chip, int pcr_idx, const u8 *hash, > + const char *log_msg) > +{ > + struct tpm_buf buf; > + int rc; > + > + rc = tpm_buf_init(&buf, TPM_TAG_RQU_COMMAND, TPM_ORD_PCR_EXTEND); > + if (rc) > + return rc; > + > + tpm_buf_append_u32(&buf, pcr_idx); > + tpm_buf_append(&buf, hash, TPM_DIGEST_SIZE); > + > + rc = tpm_transmit_cmd(chip, NULL, buf.data, PAGE_SIZE, > + TPM_DIGEST_SIZE, 0, log_msg); > + > + tpm_buf_destroy(&buf); > + return rc; > +}
Reviewed-by: Nayna Jain <nayna@linux.ibm.com> Tested-by: Nayna Jain <nayna@linux.ibm.com>
Sorry for bit delay in testing.
Thanks & Regards, - Nayna
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