nlm/nlm.x

   1 /* based on rfc1813 and wireshark */
   2
   3 typedef unsigned hyper uint64;
   4
   5 struct nlm_fh4 {
   6         opaque       data<>;
   7 };
   8
   9 typedef string nlm4_oh<>;
  10
  11 struct nlm_cookie {
  12         opaque       data<>;
  13 };
  14
  15 enum nlmstat4 {
  16         NLM4_GRANTED = 0,
  17         NLM4_DENIED = 1,
  18         NLM4_DENIED_NOLOCKS = 2,
  19         NLM4_BLOCKED = 3,
  20         NLM4_DENIED_GRACE_PERIOD = 4,
  21         NLM4_DEADLCK = 5,
  22         NLM4_ROFS = 6,
  23         NLM4_STALE_FH = 7,
  24         NLM4_FBIG = 8,
  25         NLM4_FAILED = 9
  26 };
  27
  28 struct nlm4_holder {
  29         bool           exclusive;
  30         unsigned int   svid;
  31         nlm4_oh        oh;
  32         uint64         l_offset;
  33         uint64         l_len;
  34 };
  35
  36 const NLM_MAXNAME = 256;
  37 struct nlm4_lock {
  38         string         caller_name<NLM_MAXNAME>;
  39         struct nlm_fh4 fh;
  40         nlm4_oh        oh;
  41         unsigned int   svid;
  42         uint64         l_offset;
  43         uint64         l_len;
  44 };
  45
  46 struct nlm4_share {
  47         string         caller_name<NLM_MAXNAME>;
  48         struct nlm_fh4 fh;
  49         nlm4_oh        oh;
  50         unsigned int   mode;
  51         unsigned int   access;
  52 };
  53
  54 struct nlm4_testres_denied {
  55         nlm4_holder holder;
  56 };
  57
  58 union nlm4_testreply switch (nlmstat4 status) {
  59         case NLM4_DENIED:
  60                 nlm4_testres_denied lock;
  61         default:
  62                 void;
  63 };
  64
  65 struct NLM4_TESTres {
  66         nlm_cookie cookie;
  67         nlm4_testreply reply;
  68 };
  69
  70 struct NLM4_TESTargs {
  71         nlm_cookie cookie;
  72         bool       exclusive;
  73         nlm4_lock  lock;
  74 };
  75
  76 struct NLM4_CANCres {
  77         nlm_cookie cookie;
  78         nlmstat4 status;
  79 };
  80
  81 struct NLM4_CANCargs {
  82         nlm_cookie cookie;
  83         bool block;
  84         bool exclusive;
  85         nlm4_lock  lock;
  86 };
  87
  88 struct NLM4_UNLOCKres {
  89         nlm_cookie cookie;
  90         nlmstat4 status;
  91 };
  92
  93 struct NLM4_UNLOCKargs {
  94         nlm_cookie cookie;
  95         nlm4_lock  lock;
  96 };
  97
  98 struct NLM4_LOCKres {
  99         nlm_cookie cookie;
 100         nlmstat4 status;
 101 };
 102
 103 struct NLM4_LOCKargs {
 104         nlm_cookie cookie;
 105         bool block;
 106         bool exclusive;
 107         nlm4_lock  lock;
 108         bool reclaim;
 109         int state;
 110 };
 111
 112 struct NLM4_GRANTEDargs {
 113         nlm_cookie cookie;
 114         bool       exclusive;
 115         nlm4_lock  lock;
 116 };
 117
 118 struct NLM4_GRANTEDres {
 119         nlm_cookie cookie;
 120         nlmstat4 status;
 121 };
 122
 123 program NLM_PROGRAM {
 124         version NLM_V4 {
 125                 void
 126                 NLM4_NULL(void)                  = 0;
 127
 128                 NLM4_TESTres
 129                 NLM4_TEST(NLM4_TESTargs)         = 1;
 130
 131                 NLM4_LOCKres
 132                 NLM4_LOCK(NLM4_LOCKargs)         = 2;
 133
 134                 NLM4_CANCres
 135                 NLM4_CANCEL(NLM4_CANCargs)       = 3;
 136
 137                 NLM4_UNLOCKres
 138                 NLM4_UNLOCK(NLM4_UNLOCKargs)     = 4;
 139
 140                 NLM4_GRANTEDres
 141                 NLM4_GRANT(NLM4_GRANTEDargs)      = 5;
 142
 143                 void
 144                 NLM4_TEST_MSG(NLM4_TESTargs)     = 6;
 145
 146                 void
 147                 NLM4_LOCK_MSG(NLM4_LOCKargs)     = 7;
 148
 149                 void
 150                 NLM4_CANCEL_MSG(NLM4_CANCargs)   = 8;
 151
 152                 void
 153                 NLM4_UNLOCK_MSG(NLM4_UNLOCKargs) = 9;
 154
 155                 void
 156                 NLM4_GRANT_MSG(NLM4_GRANTEDargs) = 10;
 157
 158                 void
 159                 NLM4_TEST_RES(NLM4_TESTres)     = 11;
 160
 161                 void
 162                 NLM4_LOCK_RES(NLM4_LOCKres)         = 12;
 163
 164                 void
 165                 NLM4_CANCEL_RES(NLM4_CANCres)       = 13;
 166
 167                 void
 168                 NLM4_UNLOCK_RES(NLM4_UNLOCKres)       = 14;
 169
 170                 void
 171                 NLM4_GRANT_RES(NLM4_GRANTEDres)      = 15;
 172
 173 /*              nlm4_shareres                   */
 174 /*              NLM4_SHARE(nlm4_shareargs)      = 20;   */
 175
 176 /*              nlm4_shareres                   */
 177 /*              NLM4_UNSHARE(nlm4_shareargs)    = 21;   */
 178
 179 /*              nlm4_res                        */
 180 /*              NLM4_NM_LOCK(nlm4_lockargs)     = 22;   */
 181
 182 /*              void                            */
 183 /*              NLM4_FREE_ALL(nlm4_notify)      = 23;   */
 184         } = 4;
 185 } = 100021;