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 YFSINLINEBULKSTATUS = 64536, /* YFS Fetch multiple file statuses with errors */
54 YFSFETCHDATA64 = 64537, /* YFS Fetch file data */
55 YFSSTOREDATA64 = 64538, /* YFS Store file data */
56 YFSUPDATESYMLINK = 64540,
57 };
58
59 struct yfs_xdr_u64 {
60 __be32 msw;
61 __be32 lsw;
62 } __packed;
63
xdr_to_u64(const struct yfs_xdr_u64 x)64 static inline u64 xdr_to_u64(const struct yfs_xdr_u64 x)
65 {
66 return ((u64)ntohl(x.msw) << 32) | ntohl(x.lsw);
67 }
68
u64_to_xdr(const u64 x)69 static inline struct yfs_xdr_u64 u64_to_xdr(const u64 x)
70 {
71 return (struct yfs_xdr_u64){ .msw = htonl(x >> 32), .lsw = htonl(x) };
72 }
73
74 struct yfs_xdr_vnode {
75 struct yfs_xdr_u64 lo;
76 __be32 hi;
77 __be32 unique;
78 } __packed;
79
80 struct yfs_xdr_YFSFid {
81 struct yfs_xdr_u64 volume;
82 struct yfs_xdr_vnode vnode;
83 } __packed;
84
85
86 struct yfs_xdr_YFSFetchStatus {
87 __be32 type;
88 __be32 nlink;
89 struct yfs_xdr_u64 size;
90 struct yfs_xdr_u64 data_version;
91 struct yfs_xdr_u64 author;
92 struct yfs_xdr_u64 owner;
93 struct yfs_xdr_u64 group;
94 __be32 mode;
95 __be32 caller_access;
96 __be32 anon_access;
97 struct yfs_xdr_vnode parent;
98 __be32 data_access_protocol;
99 struct yfs_xdr_u64 mtime_client;
100 struct yfs_xdr_u64 mtime_server;
101 __be32 lock_count;
102 __be32 abort_code;
103 } __packed;
104
105 struct yfs_xdr_YFSCallBack {
106 __be32 version;
107 struct yfs_xdr_u64 expiration_time;
108 __be32 type;
109 } __packed;
110
111 struct yfs_xdr_YFSStoreStatus {
112 __be32 mask;
113 __be32 mode;
114 struct yfs_xdr_u64 mtime_client;
115 struct yfs_xdr_u64 owner;
116 struct yfs_xdr_u64 group;
117 } __packed;
118
119 struct yfs_xdr_RPCFlags {
120 __be32 rpc_flags;
121 } __packed;
122
123 struct yfs_xdr_YFSVolSync {
124 struct yfs_xdr_u64 vol_creation_date;
125 struct yfs_xdr_u64 vol_update_date;
126 struct yfs_xdr_u64 max_quota;
127 struct yfs_xdr_u64 blocks_in_use;
128 struct yfs_xdr_u64 blocks_avail;
129 } __packed;
130
131 enum yfs_volume_type {
132 yfs_volume_type_ro = 0,
133 yfs_volume_type_rw = 1,
134 };
135
136 #define yfs_FVSOnline 0x1
137 #define yfs_FVSInservice 0x2
138 #define yfs_FVSBlessed 0x4
139 #define yfs_FVSNeedsSalvage 0x8
140
141 struct yfs_xdr_YFSFetchVolumeStatus {
142 struct yfs_xdr_u64 vid;
143 struct yfs_xdr_u64 parent_id;
144 __be32 flags;
145 __be32 type;
146 struct yfs_xdr_u64 max_quota;
147 struct yfs_xdr_u64 blocks_in_use;
148 struct yfs_xdr_u64 part_blocks_avail;
149 struct yfs_xdr_u64 part_max_blocks;
150 struct yfs_xdr_u64 vol_copy_date;
151 struct yfs_xdr_u64 vol_backup_date;
152 } __packed;
153
154 struct yfs_xdr_YFSStoreVolumeStatus {
155 __be32 mask;
156 struct yfs_xdr_u64 min_quota;
157 struct yfs_xdr_u64 max_quota;
158 struct yfs_xdr_u64 file_quota;
159 } __packed;
160
161 enum yfs_lock_type {
162 yfs_LockNone = -1,
163 yfs_LockRead = 0,
164 yfs_LockWrite = 1,
165 yfs_LockExtend = 2,
166 yfs_LockRelease = 3,
167 yfs_LockMandatoryRead = 0x100,
168 yfs_LockMandatoryWrite = 0x101,
169 yfs_LockMandatoryExtend = 0x102,
170 };
171