* @TPM2_CC_DAM_RESET: TPM2_DictionaryAttackLockReset().
* @TPM2_CC_DAM_PARAMETERS: TPM2_DictionaryAttackParameters().
* @TPM2_CC_GET_CAPABILITY: TPM2_GetCapibility().
+ * @TPM2_CC_GET_RANDOM: TPM2_GetRandom().
* @TPM2_CC_PCR_READ: TPM2_PCR_Read().
* @TPM2_CC_PCR_EXTEND: TPM2_PCR_Extend().
* @TPM2_CC_PCR_SETAUTHVAL: TPM2_PCR_SetAuthValue().
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_GET_RANDOM = 0x017B,
TPM2_CC_PCR_READ = 0x017E,
TPM2_CC_PCR_EXTEND = 0x0182,
TPM2_CC_PCR_SETAUTHVAL = 0x0183,
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,
+};
+
+enum {
+ TPM_ACCESS_VALID = 1 << 7,
+ TPM_ACCESS_ACTIVE_LOCALITY = 1 << 5,
+ TPM_ACCESS_REQUEST_PENDING = 1 << 2,
+ TPM_ACCESS_REQUEST_USE = 1 << 1,
+ TPM_ACCESS_ESTABLISHMENT = 1 << 0,
+};
+
+enum {
+ TPM_STS_FAMILY_SHIFT = 26,
+ TPM_STS_FAMILY_MASK = 0x3 << TPM_STS_FAMILY_SHIFT,
+ TPM_STS_FAMILY_TPM2 = 1 << TPM_STS_FAMILY_SHIFT,
+ TPM_STS_RESE_TESTABLISMENT_BIT = 1 << 25,
+ TPM_STS_COMMAND_CANCEL = 1 << 24,
+ TPM_STS_BURST_COUNT_SHIFT = 8,
+ TPM_STS_BURST_COUNT_MASK = 0xffff << TPM_STS_BURST_COUNT_SHIFT,
+ TPM_STS_VALID = 1 << 7,
+ TPM_STS_COMMAND_READY = 1 << 6,
+ TPM_STS_GO = 1 << 5,
+ TPM_STS_DATA_AVAIL = 1 << 4,
+ TPM_STS_DATA_EXPECT = 1 << 3,
+ TPM_STS_SELF_TEST_DONE = 1 << 2,
+ TPM_STS_RESPONSE_RETRY = 1 << 1,
+};
+
+enum {
+ TPM_CMD_COUNT_OFFSET = 2,
+ TPM_CMD_ORDINAL_OFFSET = 6,
+ TPM_MAX_BUF_SIZE = 1260,
+};
+
/**
* 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
*
* @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
*
* @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(const char *pw, const ssize_t pw_sz);
+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
*
* @return code of the operation
*/
-u32 tpm2_dam_parameters(const char *pw, const ssize_t pw_sz,
- unsigned int max_tries, unsigned int recovery_time,
+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
*
* @return code of the operation
*/
-int tpm2_change_auth(u32 handle, const char *newpw, const ssize_t newpw_sz,
- const char *oldpw, const ssize_t oldpw_sz);
+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
*
* @return code of the operation
*/
-u32 tpm2_pcr_setauthpolicy(const char *pw, const ssize_t pw_sz, u32 index,
- const char *key);
+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
*
* @return code of the operation
*/
-u32 tpm2_pcr_setauthvalue(const char *pw, const ssize_t pw_sz, u32 index,
- const char *key, const ssize_t key_sz);
+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);
+
+/**
+ * Issue a TPM2_GetRandom command.
+ *
+ * @dev TPM device
+ * @param data output buffer for the random bytes
+ * @param count size of output buffer
+ *
+ * @return return code of the operation
+ */
+u32 tpm2_get_random(struct udevice *dev, void *data, u32 count);
#endif /* __TPM_V2_H */
projects / platform / kernel / u-boot.git / blobdiff