X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Ftpm-v2.h;h=ae00803f6d951f47c1bd7d507d2db4af632b49e7;hb=cc1e98b559e46630c3421a7762d02a58e5480926;hp=7c2f6e91cdd9538b61e35941b23e214062f9b22f;hpb=69cd8f0681f44c85365157e87dc6d36d17e3993d;p=platform%2Fkernel%2Fu-boot.git diff --git a/include/tpm-v2.h b/include/tpm-v2.h index 7c2f6e9..ae00803 100644 --- a/include/tpm-v2.h +++ b/include/tpm-v2.h @@ -80,11 +80,14 @@ enum tpm2_command_codes { TPM2_CC_CLEAR = 0x0126, TPM2_CC_CLEARCONTROL = 0x0127, TPM2_CC_HIERCHANGEAUTH = 0x0129, + TPM2_CC_PCR_SETAUTHPOL = 0x012C, TPM2_CC_DAM_RESET = 0x0139, TPM2_CC_DAM_PARAMETERS = 0x013A, + TPM2_CC_NV_READ = 0x014E, TPM2_CC_GET_CAPABILITY = 0x017A, TPM2_CC_PCR_READ = 0x017E, TPM2_CC_PCR_EXTEND = 0x0182, + TPM2_CC_PCR_SETAUTHVAL = 0x0183, }; /** @@ -125,48 +128,87 @@ enum tpm2_algorithms { TPM2_ALG_NULL = 0x10, }; +/* NV index attributes */ +enum tpm_index_attrs { + TPMA_NV_PPWRITE = 1UL << 0, + TPMA_NV_OWNERWRITE = 1UL << 1, + TPMA_NV_AUTHWRITE = 1UL << 2, + TPMA_NV_POLICYWRITE = 1UL << 3, + TPMA_NV_COUNTER = 1UL << 4, + TPMA_NV_BITS = 1UL << 5, + TPMA_NV_EXTEND = 1UL << 6, + TPMA_NV_POLICY_DELETE = 1UL << 10, + TPMA_NV_WRITELOCKED = 1UL << 11, + TPMA_NV_WRITEALL = 1UL << 12, + TPMA_NV_WRITEDEFINE = 1UL << 13, + TPMA_NV_WRITE_STCLEAR = 1UL << 14, + TPMA_NV_GLOBALLOCK = 1UL << 15, + TPMA_NV_PPREAD = 1UL << 16, + TPMA_NV_OWNERREAD = 1UL << 17, + TPMA_NV_AUTHREAD = 1UL << 18, + TPMA_NV_POLICYREAD = 1UL << 19, + TPMA_NV_NO_DA = 1UL << 25, + TPMA_NV_ORDERLY = 1UL << 26, + TPMA_NV_CLEAR_STCLEAR = 1UL << 27, + TPMA_NV_READLOCKED = 1UL << 28, + TPMA_NV_WRITTEN = 1UL << 29, + TPMA_NV_PLATFORMCREATE = 1UL << 30, + TPMA_NV_READ_STCLEAR = 1UL << 31, + + TPMA_NV_MASK_READ = TPMA_NV_PPREAD | TPMA_NV_OWNERREAD | + TPMA_NV_AUTHREAD | TPMA_NV_POLICYREAD, + TPMA_NV_MASK_WRITE = TPMA_NV_PPWRITE | TPMA_NV_OWNERWRITE | + TPMA_NV_AUTHWRITE | TPMA_NV_POLICYWRITE, +}; + /** * Issue a TPM2_Startup command. * + * @dev TPM device * @mode TPM startup mode * * @return code of the operation */ -u32 tpm2_startup(enum tpm2_startup_types mode); +u32 tpm2_startup(struct udevice *dev, enum tpm2_startup_types mode); /** * Issue a TPM2_SelfTest command. * + * @dev TPM device * @full_test Asking to perform all tests or only the untested ones * * @return code of the operation */ -u32 tpm2_self_test(enum tpm2_yes_no full_test); +u32 tpm2_self_test(struct udevice *dev, enum tpm2_yes_no full_test); /** * Issue a TPM2_Clear command. * + * @dev TPM device * @handle Handle * @pw Password * @pw_sz Length of the password * * @return code of the operation */ -u32 tpm2_clear(u32 handle, const char *pw, const ssize_t pw_sz); +u32 tpm2_clear(struct udevice *dev, u32 handle, const char *pw, + const ssize_t pw_sz); /** * Issue a TPM2_PCR_Extend command. * + * @dev TPM device * @index Index of the PCR * @digest Value representing the event to be recorded * * @return code of the operation */ -u32 tpm2_pcr_extend(u32 index, const uint8_t *digest); +u32 tpm2_pcr_extend(struct udevice *dev, u32 index, const uint8_t *digest); /** * Issue a TPM2_PCR_Read command. * + * @dev TPM device * @idx Index of the PCR * @idx_min_sz Minimum size in bytes of the pcrSelect array * @data Output buffer for contents of the named PCR @@ -174,13 +216,14 @@ u32 tpm2_pcr_extend(u32 index, const uint8_t *digest); * * @return code of the operation */ -u32 tpm2_pcr_read(u32 idx, unsigned int idx_min_sz, void *data, - unsigned int *updates); +u32 tpm2_pcr_read(struct udevice *dev, u32 idx, unsigned int idx_min_sz, + void *data, unsigned int *updates); /** * Issue a TPM2_GetCapability command. This implementation is limited * to query property index that is 4-byte wide. * + * @dev TPM device * @capability Partition of capabilities * @property Further definition of capability, limited to be 4 bytes wide * @buf Output buffer for capability information @@ -188,7 +231,81 @@ u32 tpm2_pcr_read(u32 idx, unsigned int idx_min_sz, void *data, * * @return code of the operation */ -u32 tpm2_get_capability(u32 capability, u32 property, void *buf, - size_t prop_count); +u32 tpm2_get_capability(struct udevice *dev, u32 capability, u32 property, + void *buf, size_t prop_count); + +/** + * Issue a TPM2_DictionaryAttackLockReset command. + * + * @dev TPM device + * @pw Password + * @pw_sz Length of the password + * + * @return code of the operation + */ +u32 tpm2_dam_reset(struct udevice *dev, const char *pw, const ssize_t pw_sz); + +/** + * Issue a TPM2_DictionaryAttackParameters command. + * + * @dev TPM device + * @pw Password + * @pw_sz Length of the password + * @max_tries Count of authorizations before lockout + * @recovery_time Time before decrementation of the failure count + * @lockout_recovery Time to wait after a lockout + * + * @return code of the operation + */ +u32 tpm2_dam_parameters(struct udevice *dev, const char *pw, + const ssize_t pw_sz, unsigned int max_tries, + unsigned int recovery_time, + unsigned int lockout_recovery); + +/** + * Issue a TPM2_HierarchyChangeAuth command. + * + * @dev TPM device + * @handle Handle + * @newpw New password + * @newpw_sz Length of the new password + * @oldpw Old password + * @oldpw_sz Length of the old password + * + * @return code of the operation + */ +int tpm2_change_auth(struct udevice *dev, u32 handle, const char *newpw, + const ssize_t newpw_sz, const char *oldpw, + const ssize_t oldpw_sz); + +/** + * Issue a TPM_PCR_SetAuthPolicy command. + * + * @dev TPM device + * @pw Platform password + * @pw_sz Length of the password + * @index Index of the PCR + * @digest New key to access the PCR + * + * @return code of the operation + */ +u32 tpm2_pcr_setauthpolicy(struct udevice *dev, const char *pw, + const ssize_t pw_sz, u32 index, const char *key); + +/** + * Issue a TPM_PCR_SetAuthValue command. + * + * @dev TPM device + * @pw Platform password + * @pw_sz Length of the password + * @index Index of the PCR + * @digest New key to access the PCR + * @key_sz Length of the new key + * + * @return code of the operation + */ +u32 tpm2_pcr_setauthvalue(struct udevice *dev, const char *pw, + const ssize_t pw_sz, u32 index, const char *key, + const ssize_t key_sz); #endif /* __TPM_V2_H */