From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarkko Sakkinen Subject: Re: [PATCH v2 2/3] tpm: move endianness conversion of ordinals to tpm_input_header Date: Thu, 4 May 2017 20:34:52 +0300 Message-ID: <20170504173452.yuvomusyx2auewb4@intel.com> References: <20170503161911.17606-1-roberto.sassu@huawei.com> <20170503161911.17606-3-roberto.sassu@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20170503161911.17606-3-roberto.sassu@huawei.com> Sender: owner-linux-security-module@vger.kernel.org To: Roberto Sassu Cc: tpmdd-devel@lists.sourceforge.net, linux-ima-devel@lists.sourceforge.net, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: tpmdd-devel@lists.sourceforge.net On Wed, May 03, 2017 at 06:19:10PM +0200, Roberto Sassu wrote: > Move CPU native value to big-endian conversion of ordinals to the > tpm_input_header declarations. > > With the previous and this patch it will now be possible to modify TPM 1.2 > functions to use tpm_buf_init(), which expects CPU native value for the > tag and ordinal arguments. > > Signed-off-by: Roberto Sassu Reviwed-by: Jarkko Sakkinen Tested-by: Jarkko Sakkinen /Jarkko > --- > v2 > - restored TPM_ORD_ definitions in tpm-interface.c and tpm-sysfs.c > > drivers/char/tpm/tpm-interface.c | 24 ++++++++++++------------ > drivers/char/tpm/tpm-sysfs.c | 4 ++-- > 2 files changed, 14 insertions(+), 14 deletions(-) > > diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c > index a6bc0ba..a8351dd 100644 > --- a/drivers/char/tpm/tpm-interface.c > +++ b/drivers/char/tpm/tpm-interface.c > @@ -468,13 +468,13 @@ 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) > +#define TPM_ORD_GET_CAP 101 > +#define TPM_ORD_GET_RANDOM 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, > @@ -509,14 +509,14 @@ 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_ORD_STARTUP 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) > @@ -687,13 +687,13 @@ static int tpm_continue_selftest(struct tpm_chip *chip) > return rc; > } > > -#define TPM_ORDINAL_PCRREAD cpu_to_be32(21) > +#define TPM_ORDINAL_PCRREAD 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_ORDINAL_PCRREAD) > }; > > int tpm_pcr_read_dev(struct tpm_chip *chip, int pcr_idx, u8 *res_buf) > @@ -765,13 +765,13 @@ 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 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 = TPM_ORD_PCR_EXTEND > + .ordinal = cpu_to_be32(TPM_ORD_PCR_EXTEND) > }; > > /** > @@ -987,13 +987,13 @@ 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 TPM_ORD_SAVESTATE 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) > }; > > /* > @@ -1078,7 +1078,7 @@ 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_GET_RANDOM) > }; > > /** > diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c > index a078b4d..c8cc0d5 100644 > --- a/drivers/char/tpm/tpm-sysfs.c > +++ b/drivers/char/tpm/tpm-sysfs.c > @@ -22,11 +22,11 @@ > > #define READ_PUBEK_RESULT_SIZE 314 > #define READ_PUBEK_RESULT_MIN_BODY_SIZE (28 + 256) > -#define TPM_ORD_READPUBEK cpu_to_be32(124) > +#define TPM_ORD_READPUBEK 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) > -- > 2.9.3 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-security-module" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html