1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* YFS protocol bits
3 *
4 * Copyright (C) 2018 Red Hat, Inc. All Rights Reserved.
5 * Written by David Howells (dhowells@redhat.com)
6 */
7
8 #define YFS_FS_SERVICE 2500
9 #define YFS_CM_SERVICE 2501
10
11 #define YFSCBMAX 1024
12
13 enum YFS_CM_Operations {
14 YFSCBProbe = 206, /* probe client */
15 YFSCBGetLock = 207, /* get contents of CM lock table */
16 YFSCBXStatsVersion = 209, /* get version of extended statistics */
17 YFSCBGetXStats = 210, /* get contents of extended statistics data */
18 YFSCBInitCallBackState3 = 213, /* initialise callback state, version 3 */
19 YFSCBProbeUuid = 214, /* check the client hasn't rebooted */
20 YFSCBGetServerPrefs = 215,
21 YFSCBGetCellServDV = 216,
22 YFSCBGetLocalCell = 217,
23 YFSCBGetCacheConfig = 218,
24 YFSCBGetCellByNum = 65537,
25 YFSCBTellMeAboutYourself = 65538, /* get client capabilities */
26 YFSCBCallBack = 64204,
27 };
28
29 enum YFS_FS_Operations {
30 YFSFETCHACL = 64131, /* YFS Fetch file AFS3 ACL */
31 YFSFETCHSTATUS = 64132, /* YFS Fetch file status */
32 YFSSTOREACL = 64134, /* YFS Store file AFS3 ACL */
33 YFSSTORESTATUS = 64135, /* YFS Store file status */
34 YFSREMOVEFILE = 64136, /* YFS Remove a file */
35 YFSCREATEFILE = 64137, /* YFS Create a file */
36 YFSRENAME = 64138, /* YFS Rename or move a file or directory */
37 YFSSYMLINK = 64139, /* YFS Create a symbolic link */
38 YFSLINK = 64140, /* YFS Create a hard link */
39 YFSMAKEDIR = 64141, /* YFS Create a directory */
40 YFSREMOVEDIR = 64142, /* YFS Remove a directory */
41 YFSGETVOLUMESTATUS = 64149, /* YFS Get volume status information */
42 YFSSETVOLUMESTATUS = 64150, /* YFS Set volume status information */
43 YFSSETLOCK = 64156, /* YFS Request a file lock */
44 YFSEXTENDLOCK = 64157, /* YFS Extend a file lock */
45 YFSRELEASELOCK = 64158, /* YFS Release a file lock */
46 YFSLOOKUP = 64161, /* YFS lookup file in directory */
47 YFSFLUSHCPS = 64165,
48 YFSFETCHOPAQUEACL = 64168, /* YFS Fetch file YFS ACL */
49 YFSWHOAMI = 64170,
50 YFSREMOVEACL = 64171,
51 YFSREMOVEFILE2 = 64173,
52 YFSSTOREOPAQUEACL2 = 64174,
53 YFSRENAME_REPLACE = 64176,
54 YFSRENAME_NOREPLACE = 64177,
55 YFSRENAME_EXCHANGE = 64187,
56 YFSINLINEBULKSTATUS = 64536, /* YFS Fetch multiple file statuses with errors */
57 YFSFETCHDATA64 = 64537, /* YFS Fetch file data */
58 YFSSTOREDATA64 = 64538, /* YFS Store file data */
59 YFSUPDATESYMLINK = 64540,
60 };
61
62 struct yfs_xdr_u64 {
63 __be32 msw;
64 __be32 lsw;
65 } __packed;
66
xdr_to_u64(const struct yfs_xdr_u64 x)67 static inline u64 xdr_to_u64(const struct yfs_xdr_u64 x)
68 {
69 return ((u64)ntohl(x.msw) << 32) | ntohl(x.lsw);
70 }
71
u64_to_xdr(const u64 x)72 static inline struct yfs_xdr_u64 u64_to_xdr(const u64 x)
73 {
74 return (struct yfs_xdr_u64){ .msw = htonl(x >> 32), .lsw = htonl(x) };
75 }
76
77 struct yfs_xdr_vnode {
78 struct yfs_xdr_u64 lo;
79 __be32 hi;
80 __be32 unique;
81 } __packed;
82
83 struct yfs_xdr_YFSFid {
84 struct yfs_xdr_u64 volume;
85 struct yfs_xdr_vnode vnode;
86 } __packed;
87
88
89 struct yfs_xdr_YFSFetchStatus {
90 __be32 type;
91 __be32 nlink;
92 struct yfs_xdr_u64 size;
93 struct yfs_xdr_u64 data_version;
94 struct yfs_xdr_u64 author;
95 struct yfs_xdr_u64 owner;
96 struct yfs_xdr_u64 group;
97 __be32 mode;
98 __be32 caller_access;
99 __be32 anon_access;
100 struct yfs_xdr_vnode parent;
101 __be32 data_access_protocol;
102 struct yfs_xdr_u64 mtime_client;
103 struct yfs_xdr_u64 mtime_server;
104 __be32 lock_count;
105 __be32 abort_code;
106 } __packed;
107
108 struct yfs_xdr_YFSCallBack {
109 __be32 version;
110 struct yfs_xdr_u64 expiration_time;
111 __be32 type;
112 } __packed;
113
114 struct yfs_xdr_YFSStoreStatus {
115 __be32 mask;
116 __be32 mode;
117 struct yfs_xdr_u64 mtime_client;
118 struct yfs_xdr_u64 owner;
119 struct yfs_xdr_u64 group;
120 } __packed;
121
122 struct yfs_xdr_RPCFlags {
123 __be32 rpc_flags;
124 } __packed;
125
126 struct yfs_xdr_YFSVolSync {
127 struct yfs_xdr_u64 vol_creation_date;
128 struct yfs_xdr_u64 vol_update_date;
129 struct yfs_xdr_u64 max_quota;
130 struct yfs_xdr_u64 blocks_in_use;
131 struct yfs_xdr_u64 blocks_avail;
132 } __packed;
133
134 enum yfs_volume_type {
135 yfs_volume_type_ro = 0,
136 yfs_volume_type_rw = 1,
137 };
138
139 #define yfs_FVSOnline 0x1
140 #define yfs_FVSInservice 0x2
141 #define yfs_FVSBlessed 0x4
142 #define yfs_FVSNeedsSalvage 0x8
143
144 struct yfs_xdr_YFSFetchVolumeStatus {
145 struct yfs_xdr_u64 vid;
146 struct yfs_xdr_u64 parent_id;
147 __be32 flags;
148 __be32 type;
149 struct yfs_xdr_u64 max_quota;
150 struct yfs_xdr_u64 blocks_in_use;
151 struct yfs_xdr_u64 part_blocks_avail;
152 struct yfs_xdr_u64 part_max_blocks;
153 struct yfs_xdr_u64 vol_copy_date;
154 struct yfs_xdr_u64 vol_backup_date;
155 } __packed;
156
157 struct yfs_xdr_YFSStoreVolumeStatus {
158 __be32 mask;
159 struct yfs_xdr_u64 min_quota;
160 struct yfs_xdr_u64 max_quota;
161 struct yfs_xdr_u64 file_quota;
162 } __packed;
163
164 enum yfs_lock_type {
165 yfs_LockNone = -1,
166 yfs_LockRead = 0,
167 yfs_LockWrite = 1,
168 yfs_LockExtend = 2,
169 yfs_LockRelease = 3,
170 yfs_LockMandatoryRead = 0x100,
171 yfs_LockMandatoryWrite = 0x101,
172 yfs_LockMandatoryExtend = 0x102,
173 };
174
175 /* RXYFS Viced Capability Flags */
176 #define YFS_VICED_CAPABILITY_ERRORTRANS 0x0001 /* Deprecated v0.195 */
177 #define YFS_VICED_CAPABILITY_64BITFILES 0x0002 /* Deprecated v0.195 */
178 #define YFS_VICED_CAPABILITY_WRITELOCKACL 0x0004 /* Can lock a file even without lock perm */
179 #define YFS_VICED_CAPABILITY_SANEACLS 0x0008 /* Deprecated v0.195 */
180