diff options
Diffstat (limited to 'drivers/char/tpm/tpm2-cmd.c')
| -rw-r--r-- | drivers/char/tpm/tpm2-cmd.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index 3eef5565286d..dd2e98f4de08 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -40,6 +40,28 @@ static struct tpm2_hash tpm2_hash_map[] = { {HASH_ALGO_SM3_256, TPM2_ALG_SM3_256}, }; +int tpm2_get_timeouts(struct tpm_chip *chip) +{ + /* Fixed timeouts for TPM2 */ + chip->timeout_a = msecs_to_jiffies(TPM2_TIMEOUT_A); + chip->timeout_b = msecs_to_jiffies(TPM2_TIMEOUT_B); + chip->timeout_c = msecs_to_jiffies(TPM2_TIMEOUT_C); + chip->timeout_d = msecs_to_jiffies(TPM2_TIMEOUT_D); + + /* PTP spec timeouts */ + chip->duration[TPM_SHORT] = msecs_to_jiffies(TPM2_DURATION_SHORT); + chip->duration[TPM_MEDIUM] = msecs_to_jiffies(TPM2_DURATION_MEDIUM); + chip->duration[TPM_LONG] = msecs_to_jiffies(TPM2_DURATION_LONG); + + /* Key creation commands long timeouts */ + chip->duration[TPM_LONG_LONG] = + msecs_to_jiffies(TPM2_DURATION_LONG_LONG); + + chip->flags |= TPM_CHIP_FLAG_HAVE_TIMEOUTS; + + return 0; +} + /** * tpm2_ordinal_duration_index() - returns an index to the chip duration table * @ordinal: TPM command ordinal. |