diff options
Diffstat (limited to 'src/security/tpm/tss.h')
| -rw-r--r-- | src/security/tpm/tss.h | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/src/security/tpm/tss.h b/src/security/tpm/tss.h index fa8cf52cff..9a5521f086 100644 --- a/src/security/tpm/tss.h +++ b/src/security/tpm/tss.h @@ -23,29 +23,29 @@ * Define a space with permission [perm]. [index] is the index for the space, * [size] the usable data size. The TPM error code is returned. */ -uint32_t tlcl_define_space(uint32_t index, uint32_t perm, uint32_t size); +tpm_result_t tlcl_define_space(uint32_t index, uint32_t perm, uint32_t size); /** * Issue a PhysicalEnable. The TPM error code is returned. */ -uint32_t tlcl_set_enable(void); +tpm_result_t tlcl_set_enable(void); /** * Issue a SetDeactivated. Pass 0 to activate. Returns result code. */ -uint32_t tlcl_set_deactivated(uint8_t flag); +tpm_result_t tlcl_set_deactivated(uint8_t flag); /** * Get flags of interest. Pointers for flags you aren't interested in may * be NULL. The TPM error code is returned. */ -uint32_t tlcl_get_flags(uint8_t *disable, uint8_t *deactivated, - uint8_t *nvlocked); +tpm_result_t tlcl_get_flags(uint8_t *disable, uint8_t *deactivated, + uint8_t *nvlocked); /** * Get the entire set of permanent flags. */ -uint32_t tlcl_get_permanent_flags(TPM_PERMANENT_FLAGS *pflags); +tpm_result_t tlcl_get_permanent_flags(TPM_PERMANENT_FLAGS *pflags); #endif @@ -57,19 +57,19 @@ uint32_t tlcl_get_permanent_flags(TPM_PERMANENT_FLAGS *pflags); * Define a TPM2 space. The define space command TPM command used by the tlcl * layer offers the ability to use custom nv attributes and policies. */ -uint32_t tlcl_define_space(uint32_t space_index, size_t space_size, +tpm_result_t tlcl_define_space(uint32_t space_index, size_t space_size, const TPMA_NV nv_attributes, const uint8_t *nv_policy, size_t nv_policy_size); /* * Issue TPM2_GetCapability command */ -uint32_t tlcl_get_capability(TPM_CAP capability, uint32_t property, +tpm_result_t tlcl_get_capability(TPM_CAP capability, uint32_t property, uint32_t property_count, TPMS_CAPABILITY_DATA *capability_data); /* Issue TPM2_NV_SetBits command */ -uint32_t tlcl_set_bits(uint32_t index, uint64_t bits); +tpm_result_t tlcl_set_bits(uint32_t index, uint64_t bits); /* * Makes tpm_process_command available for on top implementations of @@ -88,12 +88,12 @@ uint16_t tlcl_get_hash_size_from_algo(TPMI_ALG_HASH hash_algo); /** * Call this first. Returns 0 if success, nonzero if error. */ -uint32_t tlcl_lib_init(void); +tpm_result_t tlcl_lib_init(void); /** * Perform a raw TPM request/response transaction. */ -uint32_t tlcl_send_receive(const uint8_t *request, uint8_t *response, +tpm_result_t tlcl_send_receive(const uint8_t *request, uint8_t *response, int max_length); /* Commands */ @@ -102,20 +102,20 @@ uint32_t tlcl_send_receive(const uint8_t *request, uint8_t *response, * Send a TPM_Startup(ST_CLEAR). The TPM error code is returned (0 for * success). */ -uint32_t tlcl_startup(void); +tpm_result_t tlcl_startup(void); /** * Resume by sending a TPM_Startup(ST_STATE). The TPM error code is returned * (0 for success). */ -uint32_t tlcl_resume(void); +tpm_result_t tlcl_resume(void); /** * Save TPM state by sending either TPM_SaveState() (TPM1.2) or * TPM_Shutdown(ST_STATE) (TPM2.0). The TPM error code is returned (0 for * success). */ -uint32_t tlcl_save_state(void); +tpm_result_t tlcl_save_state(void); /** * Run the self test. @@ -123,81 +123,81 @@ uint32_t tlcl_save_state(void); * Note---this is synchronous. To run this in parallel with other firmware, * use ContinueSelfTest(). The TPM error code is returned. */ -uint32_t tlcl_self_test_full(void); +tpm_result_t tlcl_self_test_full(void); /** * Run the self test in the background. */ -uint32_t tlcl_continue_self_test(void); +tpm_result_t tlcl_continue_self_test(void); /** * Write [length] bytes of [data] to space at [index]. The TPM error code is * returned. */ -uint32_t tlcl_write(uint32_t index, const void *data, uint32_t length); +tpm_result_t tlcl_write(uint32_t index, const void *data, uint32_t length); /** * Read [length] bytes from space at [index] into [data]. The TPM error code * is returned. */ -uint32_t tlcl_read(uint32_t index, void *data, uint32_t length); +tpm_result_t tlcl_read(uint32_t index, void *data, uint32_t length); /** * Assert physical presence in software. The TPM error code is returned. */ -uint32_t tlcl_assert_physical_presence(void); +tpm_result_t tlcl_assert_physical_presence(void); /** * Enable the physical presence command. The TPM error code is returned. */ -uint32_t tlcl_physical_presence_cmd_enable(void); +tpm_result_t tlcl_physical_presence_cmd_enable(void); /** * Finalize the physical presence settings: software PP is enabled, hardware PP * is disabled, and the lifetime lock is set. The TPM error code is returned. */ -uint32_t tlcl_finalize_physical_presence(void); +tpm_result_t tlcl_finalize_physical_presence(void); /** * Set the nvLocked bit. The TPM error code is returned. */ -uint32_t tlcl_set_nv_locked(void); +tpm_result_t tlcl_set_nv_locked(void); /** * Issue a ForceClear. The TPM error code is returned. */ -uint32_t tlcl_force_clear(void); +tpm_result_t tlcl_force_clear(void); /** * Set Clear Control. The TPM error code is returned. */ -uint32_t tlcl_clear_control(bool disable); +tpm_result_t tlcl_clear_control(bool disable); /** * Set the bGlobalLock flag, which only a reboot can clear. The TPM error * code is returned. */ -uint32_t tlcl_set_global_lock(void); +tpm_result_t tlcl_set_global_lock(void); /** * Make an NV Ram location read_only. The TPM error code is returned. */ -uint32_t tlcl_lock_nv_write(uint32_t index); +tpm_result_t tlcl_lock_nv_write(uint32_t index); /** * Perform a TPM_Extend. */ -uint32_t tlcl_extend(int pcr_num, const uint8_t *digest_data, +tpm_result_t tlcl_extend(int pcr_num, const uint8_t *digest_data, enum vb2_hash_algorithm digest_algo); /** * Disable platform hierarchy. Specific to TPM2. The TPM error code is returned. */ -uint32_t tlcl_disable_platform_hierarchy(void); +tpm_result_t tlcl_disable_platform_hierarchy(void); /** * Get the permission bits for the NVRAM space with |index|. */ -uint32_t tlcl_get_permissions(uint32_t index, uint32_t *permissions); +tpm_result_t tlcl_get_permissions(uint32_t index, uint32_t *permissions); #endif /* TSS_H_ */ |