diff options
Diffstat (limited to 'src/security/tpm/tss/tcg-2.0/tss.c')
| -rw-r--r-- | src/security/tpm/tss/tcg-2.0/tss.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/security/tpm/tss/tcg-2.0/tss.c b/src/security/tpm/tss/tcg-2.0/tss.c index 6bc30966ff..49a6cea083 100644 --- a/src/security/tpm/tss/tcg-2.0/tss.c +++ b/src/security/tpm/tss/tcg-2.0/tss.c @@ -170,6 +170,23 @@ uint32_t tlcl_force_clear(void) return TPM_SUCCESS; } +uint32_t tlcl_clear_control(bool disable) +{ + struct tpm2_response *response; + struct tpm2_clear_control_cmd cc = { + .disable = 0, + }; + + response = tpm_process_command(TPM2_ClearControl, &cc); + printk(BIOS_INFO, "%s: response is %x\n", + __func__, response ? response->hdr.tpm_code : -1); + + if (!response || response->hdr.tpm_code) + return TPM_E_IOERROR; + + return TPM_SUCCESS; +} + static uint8_t tlcl_init_done; /* This function is called directly by vboot, uses vboot return types. */ |