1*f80ad8b4SAndroid Build Coastguard Worker /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*f80ad8b4SAndroid Build Coastguard Worker /* 3*f80ad8b4SAndroid Build Coastguard Worker * Copyright (c) 2022, Google LLC 4*f80ad8b4SAndroid Build Coastguard Worker */ 5*f80ad8b4SAndroid Build Coastguard Worker 6*f80ad8b4SAndroid Build Coastguard Worker #ifndef _UAPI_LINUX_LOOP_LOADPIN_H 7*f80ad8b4SAndroid Build Coastguard Worker #define _UAPI_LINUX_LOOP_LOADPIN_H 8*f80ad8b4SAndroid Build Coastguard Worker 9*f80ad8b4SAndroid Build Coastguard Worker #define LOADPIN_IOC_MAGIC 'L' 10*f80ad8b4SAndroid Build Coastguard Worker 11*f80ad8b4SAndroid Build Coastguard Worker /** 12*f80ad8b4SAndroid Build Coastguard Worker * LOADPIN_IOC_SET_TRUSTED_VERITY_DIGESTS - Set up the root digests of verity devices 13*f80ad8b4SAndroid Build Coastguard Worker * that loadpin should trust. 14*f80ad8b4SAndroid Build Coastguard Worker * 15*f80ad8b4SAndroid Build Coastguard Worker * Takes a file descriptor from which to read the root digests of trusted verity devices. The file 16*f80ad8b4SAndroid Build Coastguard Worker * is expected to contain a list of digests in ASCII format, with one line per digest. The ioctl 17*f80ad8b4SAndroid Build Coastguard Worker * must be issued on the securityfs attribute 'loadpin/dm-verity' (which can be typically found 18*f80ad8b4SAndroid Build Coastguard Worker * under /sys/kernel/security/loadpin/dm-verity). 19*f80ad8b4SAndroid Build Coastguard Worker */ 20*f80ad8b4SAndroid Build Coastguard Worker #define LOADPIN_IOC_SET_TRUSTED_VERITY_DIGESTS _IOW(LOADPIN_IOC_MAGIC, 0x00, unsigned int) 21*f80ad8b4SAndroid Build Coastguard Worker 22*f80ad8b4SAndroid Build Coastguard Worker #endif /* _UAPI_LINUX_LOOP_LOADPIN_H */ 23