| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <bootstate.h> |
| #include <console/console.h> |
| #include <security/tpm/tss.h> |
| #include <vb2_api.h> |
| |
| static void disable_platform_hierarchy(void *unused) |
| { |
| tpm_result_t rc; |
| |
| if (!CONFIG(TPM2)) |
| return; |
| |
| if (!CONFIG(RESUME_PATH_SAME_AS_BOOT)) |
| return; |
| |
| rc = tlcl_lib_init(); |
| |
| if (rc != TPM_SUCCESS) { |
| printk(BIOS_ERR, "tlcl_lib_init() failed: %#x\n", rc); |
| return; |
| } |
| |
| rc = tlcl_disable_platform_hierarchy(); |
| if (rc != TPM_SUCCESS) |
| printk(BIOS_ERR, "Platform hierarchy disablement failed: %#x\n", |
| rc); |
| } |
| |
| BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, disable_platform_hierarchy, |
| NULL); |