treewide: convert to tpm_result_t

Convert TPM functions to return TPM error codes(referred to as
tpm_result_t) values to match the TCG standard.

BUG=b:296439237
TEST=build and boot to Skyrim
BRANCH=None

Change-Id: Ifdf9ff6c2a1f9b938dbb04d245799391115eb6b1
Signed-off-by: Jon Murphy <jpmurphy@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77666
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

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_ */