^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* AFS fileserver XDR types
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2018 Red Hat, Inc. All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Written by David Howells (dhowells@redhat.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #ifndef XDR_FS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #define XDR_FS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) struct afs_xdr_AFSFetchStatus {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) __be32 if_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define AFS_FSTATUS_VERSION 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) __be32 type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) __be32 nlink;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) __be32 size_lo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) __be32 data_version_lo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) __be32 author;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) __be32 owner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) __be32 caller_access;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) __be32 anon_access;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) __be32 mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) __be32 parent_vnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) __be32 parent_unique;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) __be32 seg_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) __be32 mtime_client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) __be32 mtime_server;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) __be32 group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) __be32 sync_counter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) __be32 data_version_hi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) __be32 lock_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) __be32 size_hi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) __be32 abort_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define AFS_DIR_HASHTBL_SIZE 128
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define AFS_DIR_DIRENT_SIZE 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define AFS_DIR_SLOTS_PER_BLOCK 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define AFS_DIR_BLOCK_SIZE 2048
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define AFS_DIR_BLOCKS_PER_PAGE (PAGE_SIZE / AFS_DIR_BLOCK_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define AFS_DIR_MAX_SLOTS 65536
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define AFS_DIR_BLOCKS_WITH_CTR 128
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define AFS_DIR_MAX_BLOCKS 1023
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define AFS_DIR_RESV_BLOCKS 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define AFS_DIR_RESV_BLOCKS0 13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * Directory entry structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) union afs_xdr_dirent {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) u8 valid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) u8 unused[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) __be16 hash_next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) __be32 vnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) __be32 unique;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) u8 name[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) u8 overflow[4]; /* if any char of the name (inc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) * NUL) reaches here, consume
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * the next dirent too */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) } u;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) u8 extended_name[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) * Directory block header (one at the beginning of every 2048-byte block).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) struct afs_xdr_dir_hdr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) __be16 npages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) __be16 magic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define AFS_DIR_MAGIC htons(1234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) u8 reserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) u8 bitmap[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) u8 pad[19];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * Directory block layout
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) union afs_xdr_dir_block {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) struct afs_xdr_dir_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct afs_xdr_dir_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) u8 alloc_ctrs[AFS_DIR_MAX_BLOCKS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) __be16 hashtable[AFS_DIR_HASHTBL_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) } meta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) union afs_xdr_dirent dirents[AFS_DIR_SLOTS_PER_BLOCK];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * Directory layout on a linux VM page.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) struct afs_xdr_dir_page {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) union afs_xdr_dir_block blocks[AFS_DIR_BLOCKS_PER_PAGE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #endif /* XDR_FS_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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