fs/nfsd/xdr4cb.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #define NFS4_MAXTAGLEN          20
   3
   4 #define NFS4_enc_cb_null_sz             0
   5 #define NFS4_dec_cb_null_sz             0
   6 #define cb_compound_enc_hdr_sz          4
   7 #define cb_compound_dec_hdr_sz          (3 + (NFS4_MAXTAGLEN >> 2))
   8 #define sessionid_sz                    (NFS4_MAX_SESSIONID_LEN >> 2)
   9 #define cb_sequence_enc_sz              (sessionid_sz + 4 +             \
  10                                         1 /* no referring calls list yet */)
  11 #define cb_sequence_dec_sz              (op_dec_sz + sessionid_sz + 4)
  12
  13 #define op_enc_sz                       1
  14 #define op_dec_sz                       2
  15 #define enc_nfs4_fh_sz                  (1 + (NFS4_FHSIZE >> 2))
  16 #define enc_stateid_sz                  (NFS4_STATEID_SIZE >> 2)
  17 #define NFS4_enc_cb_recall_sz           (cb_compound_enc_hdr_sz +       \
  18                                         cb_sequence_enc_sz +            \
  19                                         1 + enc_stateid_sz +            \
  20                                         enc_nfs4_fh_sz)
  21
  22 #define NFS4_dec_cb_recall_sz           (cb_compound_dec_hdr_sz  +      \
  23                                         cb_sequence_dec_sz +            \
  24                                         op_dec_sz)
  25 #define NFS4_enc_cb_layout_sz           (cb_compound_enc_hdr_sz +       \
  26                                         cb_sequence_enc_sz +            \
  27                                         1 + 3 +                         \
  28                                         enc_nfs4_fh_sz + 4)
  29 #define NFS4_dec_cb_layout_sz           (cb_compound_dec_hdr_sz  +      \
  30                                         cb_sequence_dec_sz +            \
  31                                         op_dec_sz)
  32
  33 #define NFS4_enc_cb_notify_lock_sz      (cb_compound_enc_hdr_sz +        \
  34                                         cb_sequence_enc_sz +             \
  35                                         2 + 1 +                          \
  36                                         XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
  37                                         enc_nfs4_fh_sz)
  38 #define NFS4_dec_cb_notify_lock_sz      (cb_compound_dec_hdr_sz  +      \
  39                                         cb_sequence_dec_sz +            \
  40                                         op_dec_sz)
  41 #define enc_cb_offload_info_sz          (1 + 1 + 2 + 1 +                \
  42                                         XDR_QUADLEN(NFS4_VERIFIER_SIZE))
  43 #define NFS4_enc_cb_offload_sz          (cb_compound_enc_hdr_sz +       \
  44                                         cb_sequence_enc_sz +            \
  45                                         enc_nfs4_fh_sz +                \
  46                                         enc_stateid_sz +                \
  47                                         enc_cb_offload_info_sz)
  48 #define NFS4_dec_cb_offload_sz          (cb_compound_dec_hdr_sz  +      \
  49                                         cb_sequence_dec_sz +            \
  50                                         op_dec_sz)
  51 #define NFS4_enc_cb_recall_any_sz       (cb_compound_enc_hdr_sz +       \
  52                                         cb_sequence_enc_sz +            \
  53                                         1 + 1 + 1)
  54 #define NFS4_dec_cb_recall_any_sz       (cb_compound_dec_hdr_sz  +      \
  55                                         cb_sequence_dec_sz +            \
  56                                         op_dec_sz)
  57
  58 /*
  59  * 1: CB_GETATTR opcode (32-bit)
  60  * N: file_handle
  61  * 1: number of entry in attribute array (32-bit)
  62  * 1: entry 0 in attribute array (32-bit)
  63  */
  64 #define NFS4_enc_cb_getattr_sz          (cb_compound_enc_hdr_sz +       \
  65                                         cb_sequence_enc_sz +            \
  66                                         1 + enc_nfs4_fh_sz + 1 + 1)
  67 /*
  68  * 4: fattr_bitmap_maxsz
  69  * 1: attribute array len
  70  * 2: change attr (64-bit)
  71  * 2: size (64-bit)
  72  */
  73 #define NFS4_dec_cb_getattr_sz          (cb_compound_dec_hdr_sz  +      \
  74                         cb_sequence_dec_sz + 4 + 1 + 2 + 2 + op_dec_sz)