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-rw-r--r--include/uapi/linux/loadpin.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/uapi/linux/loadpin.h b/include/uapi/linux/loadpin.h
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+++ b/include/uapi/linux/loadpin.h
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+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Copyright (c) 2022, Google LLC
+ */
+
+#ifndef _UAPI_LINUX_LOOP_LOADPIN_H
+#define _UAPI_LINUX_LOOP_LOADPIN_H
+
+#define LOADPIN_IOC_MAGIC 'L'
+
+/**
+ * LOADPIN_IOC_SET_TRUSTED_VERITY_DIGESTS - Set up the root digests of verity devices
+ * that loadpin should trust.
+ *
+ * Takes a file descriptor from which to read the root digests of trusted verity devices. The file
+ * is expected to contain a list of digests in ASCII format, with one line per digest. The ioctl
+ * must be issued on the securityfs attribute 'loadpin/dm-verity' (which can be typically found
+ * under /sys/kernel/security/loadpin/dm-verity).
+ */
+#define LOADPIN_IOC_SET_TRUSTED_VERITY_DIGESTS _IOW(LOADPIN_IOC_MAGIC, 0x00, unsigned int)
+
+#endif /* _UAPI_LINUX_LOOP_LOADPIN_H */