59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/*
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* This file is auto-generated. Modifications will be lost.
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*
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* See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
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* for more information.
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*/
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#ifndef _UAPI_LINUX_FSVERITY_H
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#define _UAPI_LINUX_FSVERITY_H
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#include <linux/ioctl.h>
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#include <linux/types.h>
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#define FS_VERITY_HASH_ALG_SHA256 1
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#define FS_VERITY_HASH_ALG_SHA512 2
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struct fsverity_enable_arg {
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__u32 version;
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__u32 hash_algorithm;
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__u32 block_size;
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__u32 salt_size;
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__u64 salt_ptr;
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__u32 sig_size;
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__u32 __reserved1;
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__u64 sig_ptr;
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__u64 __reserved2[11];
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};
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struct fsverity_digest {
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__u16 digest_algorithm;
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__u16 digest_size;
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__u8 digest[];
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};
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struct fsverity_descriptor {
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__u8 version;
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__u8 hash_algorithm;
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__u8 log_blocksize;
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__u8 salt_size;
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__le32 __reserved_0x04;
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__le64 data_size;
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__u8 root_hash[64];
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__u8 salt[32];
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__u8 __reserved[144];
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};
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struct fsverity_formatted_digest {
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char magic[8];
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__le16 digest_algorithm;
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__le16 digest_size;
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__u8 digest[];
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};
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#define FS_VERITY_METADATA_TYPE_MERKLE_TREE 1
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#define FS_VERITY_METADATA_TYPE_DESCRIPTOR 2
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#define FS_VERITY_METADATA_TYPE_SIGNATURE 3
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struct fsverity_read_metadata_arg {
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__u64 metadata_type;
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__u64 offset;
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__u64 length;
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__u64 buf_ptr;
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__u64 __reserved;
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};
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#define FS_IOC_ENABLE_VERITY _IOW('f', 133, struct fsverity_enable_arg)
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#define FS_IOC_MEASURE_VERITY _IOWR('f', 134, struct fsverity_digest)
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#define FS_IOC_READ_VERITY_METADATA _IOWR('f', 135, struct fsverity_read_metadata_arg)
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#endif
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