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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2014 Anna Schumaker <Anna.Schumaker@Netapp.com>
*/
#ifndef __LINUX_FS_NFS_NFS4_2XDR_H
#define __LINUX_FS_NFS_NFS4_2XDR_H
#include "nfs42.h"
#define encode_fallocate_maxsz (encode_stateid_maxsz + \
2 /* offset */ + \
2 /* length */)
#define NFS42_WRITE_RES_SIZE (1 /* wr_callback_id size */ +\
XDR_QUADLEN(NFS4_STATEID_SIZE) + \
2 /* wr_count */ + \
1 /* wr_committed */ + \
XDR_QUADLEN(NFS4_VERIFIER_SIZE))
#define encode_allocate_maxsz (op_encode_hdr_maxsz + \
encode_fallocate_maxsz)
#define decode_allocate_maxsz (op_decode_hdr_maxsz)
#define encode_copy_maxsz (op_encode_hdr_maxsz + \
XDR_QUADLEN(NFS4_STATEID_SIZE) + \
XDR_QUADLEN(NFS4_STATEID_SIZE) + \
2 + 2 + 2 + 1 + 1 + 1)
#define decode_copy_maxsz (op_decode_hdr_maxsz + \
NFS42_WRITE_RES_SIZE + \
1 /* cr_consecutive */ + \
1 /* cr_synchronous */)
#define encode_offload_cancel_maxsz (op_encode_hdr_maxsz + \
XDR_QUADLEN(NFS4_STATEID_SIZE))
#define decode_offload_cancel_maxsz (op_decode_hdr_maxsz)
#define encode_deallocate_maxsz (op_encode_hdr_maxsz + \
encode_fallocate_maxsz)
#define decode_deallocate_maxsz (op_decode_hdr_maxsz)
#define encode_seek_maxsz (op_encode_hdr_maxsz + \
encode_stateid_maxsz + \
2 /* offset */ + \
1 /* whence */)
#define decode_seek_maxsz (op_decode_hdr_maxsz + \
1 /* eof */ + \
1 /* whence */ + \
2 /* offset */ + \
2 /* length */)
#define encode_io_info_maxsz 4
#define encode_layoutstats_maxsz (op_decode_hdr_maxsz + \
2 /* offset */ + \
2 /* length */ + \
encode_stateid_maxsz + \
encode_io_info_maxsz + \
encode_io_info_maxsz + \
1 /* opaque devaddr4 length */ + \
XDR_QUADLEN(PNFS_LAYOUTSTATS_MAXSIZE))
#define decode_layoutstats_maxsz (op_decode_hdr_maxsz)
#define encode_device_error_maxsz (XDR_QUADLEN(NFS4_DEVICEID4_SIZE) + \
1 /* status */ + 1 /* opnum */)
#define encode_layouterror_maxsz (op_decode_hdr_maxsz + \
2 /* offset */ + \
2 /* length */ + \
encode_stateid_maxsz + \
1 /* Array size */ + \
encode_device_error_maxsz)
#define decode_layouterror_maxsz (op_decode_hdr_maxsz)
#define encode_clone_maxsz (encode_stateid_maxsz + \
encode_stateid_maxsz + \
2 /* src offset */ + \
2 /* dst offset */ + \
2 /* count */)
#define decode_clone_maxsz (op_decode_hdr_maxsz)
#define NFS4_enc_allocate_sz (compound_encode_hdr_maxsz + \
encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_allocate_maxsz + \
encode_getattr_maxsz)
#define NFS4_dec_allocate_sz (compound_decode_hdr_maxsz + \
decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_allocate_maxsz + \
decode_getattr_maxsz)
#define NFS4_enc_copy_sz (compound_encode_hdr_maxsz + \
encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_savefh_maxsz + \
encode_putfh_maxsz + \
encode_copy_maxsz + \
encode_commit_maxsz)
#define NFS4_dec_copy_sz (compound_decode_hdr_maxsz + \
decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_savefh_maxsz + \
decode_putfh_maxsz + \
decode_copy_maxsz + \
decode_commit_maxsz)
#define NFS4_enc_offload_cancel_sz (compound_encode_hdr_maxsz + \
encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_offload_cancel_maxsz)
#define NFS4_dec_offload_cancel_sz (compound_decode_hdr_maxsz + \
decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_offload_cancel_maxsz)
#define NFS4_enc_deallocate_sz (compound_encode_hdr_maxsz + \
encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_deallocate_maxsz + \
encode_getattr_maxsz)
#define NFS4_dec_deallocate_sz (compound_decode_hdr_maxsz + \
decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_deallocate_maxsz + \
decode_getattr_maxsz)
#define NFS4_enc_seek_sz (compound_encode_hdr_maxsz + \
encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_seek_maxsz)
#define NFS4_dec_seek_sz (compound_decode_hdr_maxsz + \
decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_seek_maxsz)
#define NFS4_enc_layoutstats_sz (compound_encode_hdr_maxsz + \
encode_sequence_maxsz + \
encode_putfh_maxsz + \
PNFS_LAYOUTSTATS_MAXDEV * encode_layoutstats_maxsz)
#define NFS4_dec_layoutstats_sz (compound_decode_hdr_maxsz + \
decode_sequence_maxsz + \
decode_putfh_maxsz + \
PNFS_LAYOUTSTATS_MAXDEV * decode_layoutstats_maxsz)
#define NFS4_enc_layouterror_sz (compound_encode_hdr_maxsz + \
encode_sequence_maxsz + \
encode_putfh_maxsz + \
NFS42_LAYOUTERROR_MAX * \
encode_layouterror_maxsz)
#define NFS4_dec_layouterror_sz (compound_decode_hdr_maxsz + \
decode_sequence_maxsz + \
decode_putfh_maxsz + \
NFS42_LAYOUTERROR_MAX * \
decode_layouterror_maxsz)
#define NFS4_enc_clone_sz (compound_encode_hdr_maxsz + \
encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_savefh_maxsz + \
encode_putfh_maxsz + \
encode_clone_maxsz + \
encode_getattr_maxsz)
#define NFS4_dec_clone_sz (compound_decode_hdr_maxsz + \
decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_savefh_maxsz + \
decode_putfh_maxsz + \
decode_clone_maxsz + \
decode_getattr_maxsz)
static void encode_fallocate(struct xdr_stream *xdr,
const struct nfs42_falloc_args *args)
{
encode_nfs4_stateid(xdr, &args->falloc_stateid);
encode_uint64(xdr, args->falloc_offset);
encode_uint64(xdr, args->falloc_length);
}
static void encode_allocate(struct xdr_stream *xdr,
const struct nfs42_falloc_args *args,
struct compound_hdr *hdr)
{
encode_op_hdr(xdr, OP_ALLOCATE, decode_allocate_maxsz, hdr);
encode_fallocate(xdr, args);
}
static void encode_copy(struct xdr_stream *xdr,
const struct nfs42_copy_args *args,
struct compound_hdr *hdr)
{
encode_op_hdr(xdr, OP_COPY, decode_copy_maxsz, hdr);
encode_nfs4_stateid(xdr, &args->src_stateid);
encode_nfs4_stateid(xdr, &args->dst_stateid);
encode_uint64(xdr, args->src_pos);
encode_uint64(xdr, args->dst_pos);
encode_uint64(xdr, args->count);
encode_uint32(xdr, 1); /* consecutive = true */
encode_uint32(xdr, args->sync);
encode_uint32(xdr, 0); /* src server list */
}
static void encode_offload_cancel(struct xdr_stream *xdr,
const struct nfs42_offload_status_args *args,
struct compound_hdr *hdr)
{
encode_op_hdr(xdr, OP_OFFLOAD_CANCEL, decode_offload_cancel_maxsz, hdr);
encode_nfs4_stateid(xdr, &args->osa_stateid);
}
static void encode_deallocate(struct xdr_stream *xdr,
const struct nfs42_falloc_args *args,
struct compound_hdr *hdr)
{
encode_op_hdr(xdr, OP_DEALLOCATE, decode_deallocate_maxsz, hdr);
encode_fallocate(xdr, args);
}
static void encode_seek(struct xdr_stream *xdr,
const struct nfs42_seek_args *args,
struct compound_hdr *hdr)
{
encode_op_hdr(xdr, OP_SEEK, decode_seek_maxsz, hdr);
encode_nfs4_stateid(xdr, &args->sa_stateid);
encode_uint64(xdr, args->sa_offset);
encode_uint32(xdr, args->sa_what);
}
static void encode_layoutstats(struct xdr_stream *xdr,
const struct nfs42_layoutstat_args *args,
struct nfs42_layoutstat_devinfo *devinfo,
struct compound_hdr *hdr)
{
__be32 *p;
encode_op_hdr(xdr, OP_LAYOUTSTATS, decode_layoutstats_maxsz, hdr);
p = reserve_space(xdr, 8 + 8);
p = xdr_encode_hyper(p, devinfo->offset);
p = xdr_encode_hyper(p, devinfo->length);
encode_nfs4_stateid(xdr, &args->stateid);
p = reserve_space(xdr, 4*8 + NFS4_DEVICEID4_SIZE + 4);
p = xdr_encode_hyper(p, devinfo->read_count);
p = xdr_encode_hyper(p, devinfo->read_bytes);
p = xdr_encode_hyper(p, devinfo->write_count);
p = xdr_encode_hyper(p, devinfo->write_bytes);
p = xdr_encode_opaque_fixed(p, devinfo->dev_id.data,
NFS4_DEVICEID4_SIZE);
/* Encode layoutupdate4 */
*p++ = cpu_to_be32(devinfo->layout_type);
if (devinfo->ld_private.ops)
devinfo->ld_private.ops->encode(xdr, args,
&devinfo->ld_private);
else
encode_uint32(xdr, 0);
}
static void encode_clone(struct
|