diff options
Diffstat (limited to 'drivers/char/tpm/tpm.h')
| -rw-r--r-- | drivers/char/tpm/tpm.h | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index dd5f526a62b5..023fc02ad0f6 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -89,10 +89,13 @@ enum tpm2_structures { }; enum tpm2_return_codes { + TPM2_RC_SUCCESS = 0x0000, TPM2_RC_HASH = 0x0083, /* RC_FMT1 */ + TPM2_RC_HANDLE = 0x008B, TPM2_RC_INITIALIZE = 0x0100, /* RC_VER1 */ TPM2_RC_DISABLED = 0x0120, TPM2_RC_TESTING = 0x090A, /* RC_WARN */ + TPM2_RC_REFERENCE_H0 = 0x0910, }; enum tpm2_algorithms { @@ -114,6 +117,7 @@ enum tpm2_command_codes { TPM2_CC_CREATE = 0x0153, TPM2_CC_LOAD = 0x0157, TPM2_CC_UNSEAL = 0x015E, + TPM2_CC_CONTEXT_LOAD = 0x0161, TPM2_CC_CONTEXT_SAVE = 0x0162, TPM2_CC_FLUSH_CONTEXT = 0x0165, TPM2_CC_GET_CAPABILITY = 0x017A, @@ -128,6 +132,7 @@ enum tpm2_permanent_handles { }; enum tpm2_capabilities { + TPM2_CAP_HANDLES = 1, TPM2_CAP_COMMANDS = 2, TPM2_CAP_PCRS = 5, TPM2_CAP_TPM_PROPERTIES = 6, @@ -153,6 +158,11 @@ enum tpm2_cc_attrs { #define TPM_PPI_VERSION_LEN 3 +struct tpm_space { + u32 context_tbl[3]; + u8 *context_buf; +}; + enum tpm_chip_flags { TPM_CHIP_FLAG_TPM2 = BIT(1), TPM_CHIP_FLAG_IRQ = BIT(2), @@ -211,6 +221,7 @@ struct tpm_chip { char ppi_version[TPM_PPI_VERSION_LEN + 1]; #endif /* CONFIG_ACPI */ + struct tpm_space work_space; u32 nr_commands; u32 *cc_attrs_tbl; }; @@ -507,10 +518,11 @@ enum tpm_transmit_flags { TPM_TRANSMIT_UNLOCKED = BIT(0), }; -ssize_t tpm_transmit(struct tpm_chip *chip, const u8 *buf, size_t bufsiz, - unsigned int flags); -ssize_t tpm_transmit_cmd(struct tpm_chip *chip, const void *buf, size_t bufsiz, - size_t min_rsp_body_len, unsigned int flags, +ssize_t tpm_transmit(struct tpm_chip *chip, struct tpm_space *space, + u8 *buf, size_t bufsiz, unsigned int flags); +ssize_t tpm_transmit_cmd(struct tpm_chip *chip, struct tpm_space *space, + const void *buf, size_t bufsiz, + size_t min_rsp_body_length, unsigned int flags, const char *desc); ssize_t tpm_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap, const char *desc, size_t min_cap_length); @@ -571,4 +583,10 @@ void tpm2_shutdown(struct tpm_chip *chip, u16 shutdown_type); unsigned long tpm2_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal); int tpm2_probe(struct tpm_chip *chip); int tpm2_find_cc(struct tpm_chip *chip, u32 cc); +int tpm2_init_space(struct tpm_space *space); +void tpm2_del_space(struct tpm_space *space); +int tpm2_prepare_space(struct tpm_chip *chip, struct tpm_space *space, u32 cc, + u8 *cmd); +int tpm2_commit_space(struct tpm_chip *chip, struct tpm_space *space, + u32 cc, u8 *buf, size_t *bufsiz); #endif |