diff options
Diffstat (limited to 'include/tpm-v1.h')
| -rw-r--r-- | include/tpm-v1.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/include/tpm-v1.h b/include/tpm-v1.h index 6b4941ef9a..be2eca946f 100644 --- a/include/tpm-v1.h +++ b/include/tpm-v1.h @@ -81,6 +81,12 @@ enum tpm_capability_areas { TPM_CAP_VERSION_VAL = 0x0000001A, }; +enum tmp_cap_flag { + TPM_CAP_FLAG_PERMANENT = 0x108, +}; + +#define TPM_TAG_PERMANENT_FLAGS 0x001f + #define TPM_NV_PER_GLOBALLOCK BIT(15) #define TPM_NV_PER_PPREAD BIT(16) #define TPM_NV_PER_PPWRITE BIT(0) @@ -93,6 +99,14 @@ enum { TPM_PUBEK_SIZE = 256, }; +enum { + TPM_CMD_EXTEND = 0x14, + TPM_CMD_GET_CAPABILITY = 0x65, + TPM_CMD_NV_DEFINE_SPACE = 0xcc, + TPM_CMD_NV_WRITE_VALUE = 0xcd, + TPM_CMD_NV_READ_VALUE = 0xcf, +}; + /** * TPM return codes as defined in the TCG Main specification * (TPM Main Part 2 Structures; Specification version 1.2) @@ -231,6 +245,40 @@ struct tpm_permanent_flags { u8 disable_full_da_logic_info; } __packed; +#define TPM_SHA1_160_HASH_LEN 0x14 + +struct __packed tpm_composite_hash { + u8 digest[TPM_SHA1_160_HASH_LEN]; +}; + +struct __packed tpm_pcr_selection { + __be16 size_of_select; + u8 pcr_select[3]; /* matches vboot's struct */ +}; + +struct __packed tpm_pcr_info_short { + struct tpm_pcr_selection pcr_selection; + u8 locality_at_release; + struct tpm_composite_hash digest_at_release; +}; + +struct __packed tpm_nv_attributes { + __be16 tag; + __be32 attributes; +}; + +struct __packed tpm_nv_data_public { + __be16 tag; + __be32 nv_index; + struct tpm_pcr_info_short pcr_info_read; + struct tpm_pcr_info_short pcr_info_write; + struct tpm_nv_attributes permission; + u8 read_st_clear; + u8 write_st_clear; + u8 write_define; + __be32 data_size; +}; + /** * Issue a TPM_Startup command. * @@ -477,4 +525,32 @@ u32 tpm_find_key_sha1(const u8 auth[20], const u8 pubkey_digest[20], */ u32 tpm_get_random(void *data, u32 count); +/** + * tpm_finalise_physical_presence() - Finalise physical presence + * + * @return return code of the operation (0 = success) + */ +u32 tpm_finalise_physical_presence(void); + +/** + * tpm_nv_set_locked() - lock the non-volatile space + * + * @return return code of the operation (0 = success) + */ +u32 tpm_nv_set_locked(void); + +/** + * tpm_set_global_lock() - set the global lock + * + * @return return code of the operation (0 = success) + */ +u32 tpm_set_global_lock(void); + +/** + * tpm_resume() - start up the TPM from resume (after suspend) + * + * @return return code of the operation (0 = success) + */ +u32 tpm_resume(void); + #endif /* __TPM_V1_H */ |