1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Copyright (c) 2016 Tom Haynes <loghyr@primarydata.com>
4 */
5 #ifndef _NFSD_FLEXFILELAYOUTXDR_H
6 #define _NFSD_FLEXFILELAYOUTXDR_H 1
7
8 #include <linux/inet.h>
9 #include "xdr4.h"
10
11 #define FF_FLAGS_NO_LAYOUTCOMMIT 1
12 #define FF_FLAGS_NO_IO_THRU_MDS 2
13 #define FF_FLAGS_NO_READ_IO 4
14
15 struct xdr_stream;
16
17 #define FF_NETID_LEN (4)
18 #define FF_ADDR_LEN (INET6_ADDRSTRLEN + 8)
19 struct pnfs_ff_netaddr {
20 char netid[FF_NETID_LEN + 1];
21 char addr[FF_ADDR_LEN + 1];
22 u32 netid_len;
23 u32 addr_len;
24 };
25
26 struct pnfs_ff_device_addr {
27 struct pnfs_ff_netaddr netaddr;
28 u32 version;
29 u32 minor_version;
30 u32 rsize;
31 u32 wsize;
32 bool tightly_coupled;
33 };
34
35 struct pnfs_ff_layout {
36 u32 flags;
37 u32 stats_collect_hint;
38 kuid_t uid;
39 kgid_t gid;
40 struct nfsd4_deviceid deviceid;
41 stateid_t stateid;
42 struct nfs_fh fh;
43 };
44
45 __be32 nfsd4_ff_encode_getdeviceinfo(struct xdr_stream *xdr,
46 const struct nfsd4_getdeviceinfo *gdp);
47 __be32 nfsd4_ff_encode_layoutget(struct xdr_stream *xdr,
48 const struct nfsd4_layoutget *lgp);
49
50 #endif /* _NFSD_FLEXFILELAYOUTXDR_H */
51
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