diff options
Diffstat (limited to 'include/tpm-v2.h')
| -rw-r--r-- | include/tpm-v2.h | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/include/tpm-v2.h b/include/tpm-v2.h index 38d79207e32..fc7c58204e5 100644 --- a/include/tpm-v2.h +++ b/include/tpm-v2.h @@ -400,188 +400,6 @@ enum { }; /** - * struct tcg2_event_log - Container for managing the platform event log - * - * @log: Address of the log - * @log_position: Current entry position - * @log_size: Log space available - * @found: Boolean indicating if an existing log was discovered - */ -struct tcg2_event_log { - u8 *log; - u32 log_position; - u32 log_size; - bool found; -}; - -/** - * Create a list of digests of the supported PCR banks for a given input data - * - * @dev TPM device - * @input Data - * @length Length of the data to calculate the digest - * @digest_list List of digests to fill in - * - * Return: zero on success, negative errno otherwise - */ -int tcg2_create_digest(struct udevice *dev, const u8 *input, u32 length, - struct tpml_digest_values *digest_list); - -/** - * Get the event size of the specified digests - * - * @digest_list List of digests for the event - * - * Return: Size in bytes of the event - */ -u32 tcg2_event_get_size(struct tpml_digest_values *digest_list); - -/** - * tcg2_get_active_pcr_banks - * - * @dev TPM device - * @active_pcr_banks Bitmask of PCR algorithms supported - * - * Return: zero on success, negative errno otherwise - */ -int tcg2_get_active_pcr_banks(struct udevice *dev, u32 *active_pcr_banks); - -/** - * tcg2_log_append - Append an event to an event log - * - * @pcr_index Index of the PCR - * @event_type Type of event - * @digest_list List of digests to add - * @size Size of event - * @event Event data - * @log Log buffer to append the event to - */ -void tcg2_log_append(u32 pcr_index, u32 event_type, - struct tpml_digest_values *digest_list, u32 size, - const u8 *event, u8 *log); - -/** - * Extend the PCR with specified digests - * - * @dev TPM device - * @pcr_index Index of the PCR - * @digest_list List of digests to extend - * - * Return: zero on success, negative errno otherwise - */ -int tcg2_pcr_extend(struct udevice *dev, u32 pcr_index, - struct tpml_digest_values *digest_list); - -/** - * Read the PCR into a list of digests - * - * @dev TPM device - * @pcr_index Index of the PCR - * @digest_list List of digests to extend - * - * Return: zero on success, negative errno otherwise - */ -int tcg2_pcr_read(struct udevice *dev, u32 pcr_index, - struct tpml_digest_values *digest_list); - -/** - * Measure data into the TPM PCRs and the platform event log. - * - * @dev TPM device - * @log Platform event log - * @pcr_index Index of the PCR - * @size Size of the data or 0 for event only - * @data Pointer to the data or NULL for event only - * @event_type Event log type - * @event_size Size of the event - * @event Pointer to the event - * - * Return: zero on success, negative errno otherwise - */ -int tcg2_measure_data(struct udevice *dev, struct tcg2_event_log *elog, - u32 pcr_index, u32 size, const u8 *data, u32 event_type, - u32 event_size, const u8 *event); - -#define tcg2_measure_event(dev, elog, pcr_index, event_type, size, event) \ - tcg2_measure_data(dev, elog, pcr_index, 0, NULL, event_type, size, \ - event) - -/** - * Prepare the event log buffer. This function tries to discover an existing - * event log in memory from a previous bootloader stage. If such a log exists - * and the PCRs are not extended, the log is "replayed" to extend the PCRs. - * If no log is discovered, create the log header. - * - * @dev TPM device - * @elog Platform event log. The log pointer and log_size - * members must be initialized to either 0 or to a valid - * memory region, in which case any existing log - * discovered will be copied to the specified memory - * region. - * @ignore_existing_log Boolean to indicate whether or not to ignore an - * existing platform log in memory - * - * Return: zero on success, negative errno otherwise - */ -int tcg2_log_prepare_buffer(struct udevice *dev, struct tcg2_event_log *elog, - bool ignore_existing_log); - -/** - * Begin measurements. - * - * @dev TPM device - * @elog Platform event log. The log pointer and log_size - * members must be initialized to either 0 or to a valid - * memory region, in which case any existing log - * discovered will be copied to the specified memory - * region. - * @ignore_existing_log Boolean to indicate whether or not to ignore an - * existing platform log in memory - * - * Return: zero on success, negative errno otherwise - */ -int tcg2_measurement_init(struct udevice **dev, struct tcg2_event_log *elog, - bool ignore_existing_log); - -/** - * Stop measurements and record separator events. - * - * @dev TPM device - * @elog Platform event log - * @error Boolean to indicate whether an error ocurred or not - */ -void tcg2_measurement_term(struct udevice *dev, struct tcg2_event_log *elog, - bool error); - -/** - * Get the platform event log address and size. - * - * @dev TPM device - * @addr Address of the log - * @size Size of the log - * - * Return: zero on success, negative errno otherwise - */ -int tcg2_platform_get_log(struct udevice *dev, void **addr, u32 *size); - -/** - * Get the first TPM2 device found. - * - * @dev TPM device - * - * Return: zero on success, negative errno otherwise - */ -int tcg2_platform_get_tpm2(struct udevice **dev); - -/** - * Platform-specific function for handling TPM startup errors - * - * @dev TPM device - * @rc The TPM response code - */ -void tcg2_platform_startup_error(struct udevice *dev, int rc); - -/** * Issue a TPM2_Startup command. * * @dev TPM device @@ -897,12 +715,4 @@ enum tpm2_algorithms tpm2_name_to_algorithm(const char *name); */ const char *tpm2_algorithm_name(enum tpm2_algorithms); -/** - * tpm2_algorithm_to_mask() - Get a TCG hash mask for algorithm - * - * @hash_alg: TCG defined algorithm - * Return: TCG hashing algorithm bitmaps (or 0 if algo not supported) - */ -u32 tpm2_algorithm_to_mask(enum tpm2_algorithms); - #endif /* __TPM_V2_H */ |