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
15struct xdr_stream;
16
17#define FF_NETID_LEN		(4)
18#define FF_ADDR_LEN		(INET6_ADDRSTRLEN + 8)
19struct 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
26struct 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
35struct 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