/*
   * 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,
  		struct nfsd4_getdeviceinfo *gdp);
  __be32 nfsd4_ff_encode_layoutget(struct xdr_stream *xdr,
  		struct nfsd4_layoutget *lgp);
  
  #endif /* _NFSD_FLEXFILELAYOUTXDR_H */