diff options
Diffstat (limited to 'firmware/lib/vboot_api_kernel.c')
| -rw-r--r-- | firmware/lib/vboot_api_kernel.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/firmware/lib/vboot_api_kernel.c b/firmware/lib/vboot_api_kernel.c index f3ff3ea1..623711b9 100644 --- a/firmware/lib/vboot_api_kernel.c +++ b/firmware/lib/vboot_api_kernel.c @@ -1330,3 +1330,34 @@ fail: VbExFree(kernel_subkey); return retval; } + +VbError_t VbUnlockDevice(void) +{ + VBDEBUG(("%s() Enabling dev-mode...\n", __func__)); + if (TPM_SUCCESS != SetVirtualDevMode(1)) + return VBERROR_TPM_SET_BOOT_MODE_STATE; + + VBDEBUG(("%s() Mode change will take effect on next reboot.\n", + __func__)); + return VBERROR_SUCCESS; +} + +VbError_t VbLockDevice(void) +{ + VbExNvStorageRead(vnc.raw); + VbNvSetup(&vnc); + + VBDEBUG(("%s() - Storing request to leave dev-mode.\n", + __func__)); + VbNvSet(&vnc, VBNV_DISABLE_DEV_REQUEST, + 1); + + VbNvTeardown(&vnc); + if (vnc.raw_changed) + VbExNvStorageWrite(vnc.raw); + + VBDEBUG(("%s() Mode change will take effect on next reboot.\n", + __func__)); + + return VBERROR_SUCCESS; +} |