diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/bloblist.h | 18 | ||||
| -rw-r--r-- | include/efi_tcg2.h | 2 | ||||
| -rw-r--r-- | include/tpm-v2.h | 53 |
3 files changed, 70 insertions, 3 deletions
diff --git a/include/bloblist.h b/include/bloblist.h index f999391f74b..52ba0ddcf84 100644 --- a/include/bloblist.h +++ b/include/bloblist.h @@ -250,6 +250,24 @@ static inline void *bloblist_check_magic(ulong addr) return ptr; } +#if CONFIG_IS_ENABLED(BLOBLIST) +/** + * bloblist_get_blob() - Find a blob and get the size of it + * + * Searches the bloblist and returns the blob with the matching tag + * + * @tag: Tag to search for (enum bloblist_tag_t) + * @sizep: Size of the blob found + * Return: pointer to bloblist if found, or NULL if not found + */ +void *bloblist_get_blob(uint tag, int *sizep); +#else +static inline void *bloblist_get_blob(uint tag, int *sizep) +{ + return NULL; +} +#endif + /** * bloblist_find() - Find a blob * diff --git a/include/efi_tcg2.h b/include/efi_tcg2.h index 8dfb1bc9527..7ed88809913 100644 --- a/include/efi_tcg2.h +++ b/include/efi_tcg2.h @@ -28,8 +28,6 @@ #define EFI_TCG2_MAX_PCR_INDEX 23 #define EFI_TCG2_FINAL_EVENTS_TABLE_VERSION 1 -#define TPM2_EVENT_LOG_SIZE CONFIG_EFI_TCG2_PROTOCOL_EVENTLOG_SIZE - typedef u32 efi_tcg_event_log_bitmap; typedef u32 efi_tcg_event_log_format; typedef u32 efi_tcg_event_algorithm_bitmap; diff --git a/include/tpm-v2.h b/include/tpm-v2.h index 65681464b37..ece422df0c7 100644 --- a/include/tpm-v2.h +++ b/include/tpm-v2.h @@ -230,6 +230,8 @@ enum tpm2_command_codes { TPM2_CC_PCR_READ = 0x017E, TPM2_CC_PCR_EXTEND = 0x0182, TPM2_CC_PCR_SETAUTHVAL = 0x0183, + TPM2_CC_PCR_ALLOCATE = 0x012B, + TPM2_CC_SHUTDOWN = 0x0145, }; /** @@ -430,7 +432,7 @@ enum { * * Return: code of the operation */ -u32 tpm2_startup(struct udevice *dev, enum tpm2_startup_types mode); +u32 tpm2_startup(struct udevice *dev, bool onoff, enum tpm2_startup_types mode); /** * Issue a TPM2_SelfTest command. @@ -702,6 +704,55 @@ u32 tpm2_enable_nvcommits(struct udevice *dev, uint vendor_cmd, uint vendor_subcmd); /** + * tpm2_scan_masks - Scan the bitmask of algorithms based on the + * active/supported banks and the one from eventlog. + * + * @dev TPM device + * @log_active Active algorithm bitmask + * @mask Bitmask to set + * + * Return: zero on success, negative errno otherwise + */ +int tpm2_scan_masks(struct udevice *dev, u32 log_active, u32 *mask); + +/** + * tpm2_pcr_config_algo() - Allocate the active PCRs. Requires reboot + * + * @dev TPM device + * @algo_mask Mask of the algorithms + * @pcr PCR structure for allocation + * @pcr_len Actual PCR data length + * + * Return: code of the operation + */ +u32 tpm2_pcr_config_algo(struct udevice *dev, u32 algo_mask, + struct tpml_pcr_selection *pcr, u32 *pcr_len); + +/** + * tpm2_send_pcr_allocate() - Send PCR allocate command. Requires reboot + * + * @dev TPM device + * @pw Platform password + * @pw_sz Length of the password + * @pcr PCR structure for allocation + * @pcr_len Actual PCR data length + * + * Return: code of the operation + */ +u32 tpm2_send_pcr_allocate(struct udevice *dev, const char *pw, + const ssize_t pw_sz, struct tpml_pcr_selection *pcr, + u32 pcr_len); +/** + * tpm2_activate_banks() - Activate PCR banks + * + * @param dev TPM device + * @log_active Bitmask of eventlog algorithms + * + * Return: code of the operation + */ +int tpm2_activate_banks(struct udevice *dev, u32 log_active); + +/** * tpm2_auto_start() - start up the TPM and perform selftests. * If a testable function has not been tested and is * requested the TPM2 will return TPM_RC_NEEDS_TEST. |