58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
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/* YFS protocol bits
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*
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* Copyright (C) 2018 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#define YFS_FS_SERVICE 2500
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#define YFS_CM_SERVICE 2501
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#define YFSCBMAX 1024
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enum YFS_CM_Operations {
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YFSCBProbe = 206, /* probe client */
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YFSCBGetLock = 207, /* get contents of CM lock table */
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YFSCBXStatsVersion = 209, /* get version of extended statistics */
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YFSCBGetXStats = 210, /* get contents of extended statistics data */
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YFSCBInitCallBackState3 = 213, /* initialise callback state, version 3 */
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YFSCBProbeUuid = 214, /* check the client hasn't rebooted */
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YFSCBGetServerPrefs = 215,
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YFSCBGetCellServDV = 216,
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YFSCBGetLocalCell = 217,
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YFSCBGetCacheConfig = 218,
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YFSCBGetCellByNum = 65537,
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YFSCBTellMeAboutYourself = 65538, /* get client capabilities */
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YFSCBCallBack = 64204,
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};
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struct yfs_xdr_u64 {
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__be32 msw;
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__be32 lsw;
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} __packed;
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static inline u64 xdr_to_u64(const struct yfs_xdr_u64 x)
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{
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return ((u64)ntohl(x.msw) << 32) | ntohl(x.lsw);
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}
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static inline struct yfs_xdr_u64 u64_to_xdr(const u64 x)
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{
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return (struct yfs_xdr_u64){ .msw = htonl(x >> 32), .lsw = htonl(x) };
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}
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struct yfs_xdr_vnode {
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struct yfs_xdr_u64 lo;
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__be32 hi;
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__be32 unique;
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} __packed;
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struct yfs_xdr_YFSFid {
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struct yfs_xdr_u64 volume;
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struct yfs_xdr_vnode vnode;
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} __packed;
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