/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (c) 2016 Tom Haynes <loghyr@primarydata.com>
 */
#ifndef _NFSD_FLEXFILELAYOUTXDR_H
#define _NFSD_FLEXFILELAYOUTXDR_H 1

#include <linux/inet.h>
#include "xdr4.h"

#define FF_FLAGS_NO_LAYOUTCOMMIT 1
#define FF_FLAGS_NO_IO_THRU_MDS  2
#define FF_FLAGS_NO_READ_IO      4

struct xdr_stream;

#define FF_NETID_LEN            (4)
#define FF_ADDR_LEN             (INET6_ADDRSTRLEN + 8)
struct pnfs_ff_netaddr {
        char                            netid[FF_NETID_LEN + 1];
        char                            addr[FF_ADDR_LEN + 1];
        u32                             netid_len;
        u32                             addr_len;
};

struct pnfs_ff_device_addr {
        struct pnfs_ff_netaddr          netaddr;
        u32                             version;
        u32                             minor_version;
        u32                             rsize;
        u32                             wsize;
        bool                            tightly_coupled;
};

struct pnfs_ff_layout {
        u32                             flags;
        u32                             stats_collect_hint;
        kuid_t                          uid;
        kgid_t                          gid;
        struct nfsd4_deviceid           deviceid;
        stateid_t                       stateid;
        struct nfs_fh                   fh;
};

__be32 nfsd4_ff_encode_getdeviceinfo(struct xdr_stream *xdr,
                const struct nfsd4_getdeviceinfo *gdp);
__be32 nfsd4_ff_encode_layoutget(struct xdr_stream *xdr,
                const struct nfsd4_layoutget *lgp);

#endif /* _NFSD_FLEXFILELAYOUTXDR_H */