--- /dev/null
+/* @(#)nlm_prot.x 2.1 88/08/01 4.0 RPCSRC */
+
+/*
+ * Network lock manager protocol definition
+ * Copyright (c) 2010, Oracle America, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ * * Neither the name of the "Oracle America, Inc." nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * protocol used between local lock manager and remote lock manager
+ */
+
+#ifdef RPC_HDR
+%#define LM_MAXSTRLEN 1024
+%#define MAXNAMELEN LM_MAXSTRLEN+1
+#endif
+
+/*
+ * status of a call to the lock manager
+ */
+enum nlm_stats {
+ nlm_granted = 0,
+ nlm_denied = 1,
+ nlm_denied_nolocks = 2,
+ nlm_blocked = 3,
+ nlm_denied_grace_period = 4
+};
+
+struct nlm_holder {
+ bool exclusive;
+ int svid;
+ netobj oh;
+ unsigned l_offset;
+ unsigned l_len;
+};
+
+union nlm_testrply switch (nlm_stats stat) {
+ case nlm_denied:
+ struct nlm_holder holder;
+ default:
+ void;
+};
+
+struct nlm_stat {
+ nlm_stats stat;
+};
+
+struct nlm_res {
+ netobj cookie;
+ nlm_stat stat;
+};
+
+struct nlm_testres {
+ netobj cookie;
+ nlm_testrply stat;
+};
+
+struct nlm_lock {
+ string caller_name<LM_MAXSTRLEN>;
+ netobj fh; /* identify a file */
+ netobj oh; /* identify owner of a lock */
+ int svid; /* generated from pid for svid */
+ unsigned l_offset;
+ unsigned l_len;
+};
+
+struct nlm_lockargs {
+ netobj cookie;
+ bool block;
+ bool exclusive;
+ struct nlm_lock alock;
+ bool reclaim; /* used for recovering locks */
+ int state; /* specify local status monitor state */
+};
+
+struct nlm_cancargs {
+ netobj cookie;
+ bool block;
+ bool exclusive;
+ struct nlm_lock alock;
+};
+
+struct nlm_testargs {
+ netobj cookie;
+ bool exclusive;
+ struct nlm_lock alock;
+};
+
+struct nlm_unlockargs {
+ netobj cookie;
+ struct nlm_lock alock;
+};
+
+
+#ifdef RPC_HDR
+%/*
+% * The following enums are actually bit encoded for efficient
+% * boolean algebra.... DON'T change them.....
+% */
+#endif
+enum fsh_mode {
+ fsm_DN = 0, /* deny none */
+ fsm_DR = 1, /* deny read */
+ fsm_DW = 2, /* deny write */
+ fsm_DRW = 3 /* deny read/write */
+};
+
+enum fsh_access {
+ fsa_NONE = 0, /* for completeness */
+ fsa_R = 1, /* read only */
+ fsa_W = 2, /* write only */
+ fsa_RW = 3 /* read/write */
+};
+
+struct nlm_share {
+ string caller_name<LM_MAXSTRLEN>;
+ netobj fh;
+ netobj oh;
+ fsh_mode mode;
+ fsh_access access;
+};
+
+struct nlm_shareargs {
+ netobj cookie;
+ nlm_share share;
+ bool reclaim;
+};
+
+struct nlm_shareres {
+ netobj cookie;
+ nlm_stats stat;
+ int sequence;
+};
+
+struct nlm_notify {
+ string name<MAXNAMELEN>;
+ long state;
+};
+
+/*
+ * Over-the-wire protocol used between the network lock managers
+ */
+
+program NLM_PROG {
+ version NLM_VERS {
+
+ nlm_testres NLM_TEST(struct nlm_testargs) = 1;
+
+ nlm_res NLM_LOCK(struct nlm_lockargs) = 2;
+
+ nlm_res NLM_CANCEL(struct nlm_cancargs) = 3;
+ nlm_res NLM_UNLOCK(struct nlm_unlockargs) = 4;
+
+ /*
+ * remote lock manager call-back to grant lock
+ */
+ nlm_res NLM_GRANTED(struct nlm_testargs)= 5;
+ /*
+ * message passing style of requesting lock
+ */
+ void NLM_TEST_MSG(struct nlm_testargs) = 6;
+ void NLM_LOCK_MSG(struct nlm_lockargs) = 7;
+ void NLM_CANCEL_MSG(struct nlm_cancargs) =8;
+ void NLM_UNLOCK_MSG(struct nlm_unlockargs) = 9;
+ void NLM_GRANTED_MSG(struct nlm_testargs) = 10;
+ void NLM_TEST_RES(nlm_testres) = 11;
+ void NLM_LOCK_RES(nlm_res) = 12;
+ void NLM_CANCEL_RES(nlm_res) = 13;
+ void NLM_UNLOCK_RES(nlm_res) = 14;
+ void NLM_GRANTED_RES(nlm_res) = 15;
+ } = 1;
+
+ version NLM_VERSX {
+ nlm_shareres NLM_SHARE(nlm_shareargs) = 20;
+ nlm_shareres NLM_UNSHARE(nlm_shareargs) = 21;
+ nlm_res NLM_NM_LOCK(nlm_lockargs) = 22;
+ void NLM_FREE_ALL(nlm_notify) = 23;
+ } = 3;
+
+} = 100021;
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