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Message-ID: <20170504080946.ld37xgrhe3opccor@intel.com>
Date: Thu, 4 May 2017 11:09:46 +0300
From: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To: Roberto Sassu <roberto.sassu@...wei.com>
Cc: tpmdd-devel@...ts.sourceforge.net,
linux-ima-devel@...ts.sourceforge.net,
linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [tpmdd-devel] [PATCH 2/3] tpm: move ordinals definition to
include/linux/tpm_command.h
On Wed, May 03, 2017 at 04:27:20PM +0200, Roberto Sassu wrote:
> On 5/3/2017 2:48 PM, Jarkko Sakkinen wrote:
> > ORD ought not be used outside of drivers/char/tpm. TPM 1.2 trusted
> > keys does use this header but it should be eventually moved to
> > drivers/char/tpm (not done because of other stuff at this point).
>
> Ok. Then, I just move the ordinal conversion to the tpm_input_header
> declaration.
>
> Probably, the Reviewed-by in your previous email was for patch 1/3.
Yes, it was!
> Thanks
>
> Roberto
/Jarkko
>
>
> >
> > /Jarkko
> >
> > >
> > > Signed-off-by: Roberto Sassu <roberto.sassu@...wei.com>
> > > ---
> > > drivers/char/tpm/tpm-interface.c | 19 ++++++-------------
> > > drivers/char/tpm/tpm-sysfs.c | 3 +--
> > > include/linux/tpm_command.h | 7 +++++++
> > > 3 files changed, 14 insertions(+), 15 deletions(-)
> > >
> > > diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
> > > index 48f5dff..5c2c032 100644
> > > --- a/drivers/char/tpm/tpm-interface.c
> > > +++ b/drivers/char/tpm/tpm-interface.c
> > > @@ -469,13 +469,11 @@ ssize_t tpm_transmit_cmd(struct tpm_chip *chip, const void *buf,
> > > #define TPM_DIGEST_SIZE 20
> > > #define TPM_RET_CODE_IDX 6
> > > #define TPM_INTERNAL_RESULT_SIZE 200
> > > -#define TPM_ORD_GET_CAP cpu_to_be32(101)
> > > -#define TPM_ORD_GET_RANDOM cpu_to_be32(70)
> > >
> > > static const struct tpm_input_header tpm_getcap_header = {
> > > .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND),
> > > .length = cpu_to_be32(22),
> > > - .ordinal = TPM_ORD_GET_CAP
> > > + .ordinal = cpu_to_be32(TPM_ORD_GET_CAP)
> > > };
> > >
> > > ssize_t tpm_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap,
> > > @@ -510,14 +508,13 @@ ssize_t tpm_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap,
> > > }
> > > EXPORT_SYMBOL_GPL(tpm_getcap);
> > >
> > > -#define TPM_ORD_STARTUP cpu_to_be32(153)
> > > #define TPM_ST_CLEAR cpu_to_be16(1)
> > > #define TPM_ST_STATE cpu_to_be16(2)
> > > #define TPM_ST_DEACTIVATED cpu_to_be16(3)
> > > static const struct tpm_input_header tpm_startup_header = {
> > > .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND),
> > > .length = cpu_to_be32(12),
> > > - .ordinal = TPM_ORD_STARTUP
> > > + .ordinal = cpu_to_be32(TPM_ORD_STARTUP)
> > > };
> > >
> > > static int tpm_startup(struct tpm_chip *chip, __be16 startup_type)
> > > @@ -661,7 +658,6 @@ int tpm_get_timeouts(struct tpm_chip *chip)
> > > }
> > > EXPORT_SYMBOL_GPL(tpm_get_timeouts);
> > >
> > > -#define TPM_ORD_CONTINUE_SELFTEST 83
> > > #define CONTINUE_SELFTEST_RESULT_SIZE 10
> > >
> > > static const struct tpm_input_header continue_selftest_header = {
> > > @@ -688,13 +684,12 @@ static int tpm_continue_selftest(struct tpm_chip *chip)
> > > return rc;
> > > }
> > >
> > > -#define TPM_ORDINAL_PCRREAD cpu_to_be32(21)
> > > #define READ_PCR_RESULT_SIZE 30
> > > #define READ_PCR_RESULT_BODY_SIZE 20
> > > static const struct tpm_input_header pcrread_header = {
> > > .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND),
> > > .length = cpu_to_be32(14),
> > > - .ordinal = TPM_ORDINAL_PCRREAD
> > > + .ordinal = cpu_to_be32(TPM_ORD_PCRREAD)
> > > };
> > >
> > > int tpm_pcr_read_dev(struct tpm_chip *chip, int pcr_idx, u8 *res_buf)
> > > @@ -766,13 +761,12 @@ int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf)
> > > }
> > > EXPORT_SYMBOL_GPL(tpm_pcr_read);
> > >
> > > -#define TPM_ORD_PCR_EXTEND cpu_to_be32(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 = TPM_ORD_PCR_EXTEND
> > > + .ordinal = cpu_to_be32(TPM_ORD_PCREXTEND)
> > > };
> > >
> > > /**
> > > @@ -988,13 +982,12 @@ int wait_for_tpm_stat(struct tpm_chip *chip, u8 mask, unsigned long timeout,
> > > }
> > > EXPORT_SYMBOL_GPL(wait_for_tpm_stat);
> > >
> > > -#define TPM_ORD_SAVESTATE cpu_to_be32(152)
> > > #define SAVESTATE_RESULT_SIZE 10
> > >
> > > static const struct tpm_input_header savestate_header = {
> > > .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND),
> > > .length = cpu_to_be32(10),
> > > - .ordinal = TPM_ORD_SAVESTATE
> > > + .ordinal = cpu_to_be32(TPM_ORD_SAVESTATE)
> > > };
> > >
> > > /*
> > > @@ -1079,7 +1072,7 @@ EXPORT_SYMBOL_GPL(tpm_pm_resume);
> > > static const struct tpm_input_header tpm_getrandom_header = {
> > > .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND),
> > > .length = cpu_to_be32(14),
> > > - .ordinal = TPM_ORD_GET_RANDOM
> > > + .ordinal = cpu_to_be32(TPM_ORD_GETRANDOM)
> > > };
> > >
> > > /**
> > > diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c
> > > index 69a0741..413ac2c 100644
> > > --- a/drivers/char/tpm/tpm-sysfs.c
> > > +++ b/drivers/char/tpm/tpm-sysfs.c
> > > @@ -23,11 +23,10 @@
> > >
> > > #define READ_PUBEK_RESULT_SIZE 314
> > > #define READ_PUBEK_RESULT_MIN_BODY_SIZE (28 + 256)
> > > -#define TPM_ORD_READPUBEK cpu_to_be32(124)
> > > static const struct tpm_input_header tpm_readpubek_header = {
> > > .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND),
> > > .length = cpu_to_be32(30),
> > > - .ordinal = TPM_ORD_READPUBEK
> > > + .ordinal = cpu_to_be32(TPM_ORD_READPUBEK)
> > > };
> > > static ssize_t pubek_show(struct device *dev, struct device_attribute *attr,
> > > char *buf)
> > > diff --git a/include/linux/tpm_command.h b/include/linux/tpm_command.h
> > > index 727512e..0fe58d8 100644
> > > --- a/include/linux/tpm_command.h
> > > +++ b/include/linux/tpm_command.h
> > > @@ -20,6 +20,13 @@
> > > #define TPM_ORD_OIAP 10
> > > #define TPM_ORD_SEAL 23
> > > #define TPM_ORD_UNSEAL 24
> > > +#define TPM_ORD_GET_CAP 101
> > > +#define TPM_ORD_STARTUP 153
> > > +#define TPM_ORD_CONTINUE_SELFTEST 83
> > > +#define TPM_ORD_PCRREAD 21
> > > +#define TPM_ORD_PCREXTEND 20
> > > +#define TPM_ORD_SAVESTATE 152
> > > +#define TPM_ORD_READPUBEK 124
> > >
> > > /* Other constants */
> > > #define SRKHANDLE 0x40000000
> > > --
> > > 2.9.3
> > >
> > >
> > > ------------------------------------------------------------------------------
> > > Check out the vibrant tech community on one of the world's most
> > > engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> > > _______________________________________________
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> > > tpmdd-devel@...ts.sourceforge.net
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