329 lines
6.4 KiB
Plaintext
329 lines
6.4 KiB
Plaintext
/*
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* Network lock manager protocol definition
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* Copyright (C) 1986 Sun Microsystems, Inc.
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*
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* protocol used between local lock manager and remote lock manager
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*/
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#ifdef RPC_HDR
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%#define LM_MAXSTRLEN 1024
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%#define MAXNAMELEN LM_MAXSTRLEN+1
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#else
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%#include <sys/cdefs.h>
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%#ifndef lint
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%static const char rcsid[] =
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% "$FreeBSD$";
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%/*static char sccsid[] = "from: @(#)nlm_prot.x 1.8 87/09/21 Copyr 1987 Sun Micro";*/
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%/*static char sccsid[] = "from: * @(#)nlm_prot.x 2.1 88/08/01 4.0 RPCSRC";*/
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%__RCSID("$NetBSD: nlm_prot.x,v 1.6 2000/06/07 14:30:15 bouyer Exp $");
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%#endif /* not lint */
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#endif
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/*
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* status of a call to the lock manager
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*/
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enum nlm_stats {
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nlm_granted = 0,
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nlm_denied = 1,
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nlm_denied_nolocks = 2,
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nlm_blocked = 3,
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nlm_denied_grace_period = 4,
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nlm_deadlck = 5
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};
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struct nlm_holder {
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bool exclusive;
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int svid;
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netobj oh;
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unsigned l_offset;
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unsigned l_len;
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};
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union nlm_testrply switch (nlm_stats stat) {
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case nlm_denied:
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struct nlm_holder holder;
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default:
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void;
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};
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struct nlm_stat {
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nlm_stats stat;
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};
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struct nlm_res {
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netobj cookie;
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nlm_stat stat;
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};
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struct nlm_testres {
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netobj cookie;
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nlm_testrply stat;
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};
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struct nlm_lock {
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string caller_name<LM_MAXSTRLEN>;
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netobj fh; /* identify a file */
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netobj oh; /* identify owner of a lock */
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int svid; /* generated from pid for svid */
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unsigned l_offset;
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unsigned l_len;
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};
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struct nlm_lockargs {
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netobj cookie;
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bool block;
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bool exclusive;
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struct nlm_lock alock;
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bool reclaim; /* used for recovering locks */
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int state; /* specify local status monitor state */
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};
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struct nlm_cancargs {
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netobj cookie;
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bool block;
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bool exclusive;
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struct nlm_lock alock;
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};
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struct nlm_testargs {
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netobj cookie;
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bool exclusive;
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struct nlm_lock alock;
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};
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struct nlm_unlockargs {
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netobj cookie;
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struct nlm_lock alock;
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};
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#ifdef RPC_HDR
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%/*
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% * The following enums are actually bit encoded for efficient
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% * boolean algebra.... DON'T change them.....
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% */
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#endif
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enum fsh_mode {
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fsm_DN = 0, /* deny none */
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fsm_DR = 1, /* deny read */
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fsm_DW = 2, /* deny write */
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fsm_DRW = 3 /* deny read/write */
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};
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enum fsh_access {
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fsa_NONE = 0, /* for completeness */
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fsa_R = 1, /* read only */
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fsa_W = 2, /* write only */
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fsa_RW = 3 /* read/write */
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};
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struct nlm_share {
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string caller_name<LM_MAXSTRLEN>;
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netobj fh;
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netobj oh;
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fsh_mode mode;
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fsh_access access;
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};
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struct nlm_shareargs {
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netobj cookie;
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nlm_share share;
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bool reclaim;
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};
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struct nlm_shareres {
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netobj cookie;
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nlm_stats stat;
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int sequence;
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};
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struct nlm_notify {
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string name<MAXNAMELEN>;
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long state;
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};
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#ifdef RPC_HDR
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%/* definitions for NLM version 4 */
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#endif
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enum nlm4_stats {
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nlm4_granted = 0,
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nlm4_denied = 1,
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nlm4_denied_nolocks = 2,
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nlm4_blocked = 3,
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nlm4_denied_grace_period = 4,
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nlm4_deadlck = 5,
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nlm4_rofs = 6,
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nlm4_stale_fh = 7,
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nlm4_fbig = 8,
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nlm4_failed = 9
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};
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struct nlm4_stat {
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nlm4_stats stat;
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};
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struct nlm4_holder {
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bool exclusive;
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u_int32_t svid;
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netobj oh;
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u_int64_t l_offset;
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u_int64_t l_len;
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};
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struct nlm4_lock {
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string caller_name<MAXNAMELEN>;
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netobj fh;
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netobj oh;
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u_int32_t svid;
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u_int64_t l_offset;
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u_int64_t l_len;
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};
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struct nlm4_share {
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string caller_name<MAXNAMELEN>;
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netobj fh;
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netobj oh;
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fsh_mode mode;
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fsh_access access;
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};
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union nlm4_testrply switch (nlm4_stats stat) {
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case nlm_denied:
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struct nlm4_holder holder;
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default:
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void;
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};
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struct nlm4_testres {
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netobj cookie;
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nlm4_testrply stat;
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};
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struct nlm4_testargs {
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netobj cookie;
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bool exclusive;
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struct nlm4_lock alock;
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};
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struct nlm4_res {
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netobj cookie;
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nlm4_stat stat;
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};
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struct nlm4_lockargs {
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netobj cookie;
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bool block;
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bool exclusive;
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struct nlm4_lock alock;
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bool reclaim; /* used for recovering locks */
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int state; /* specify local status monitor state */
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};
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struct nlm4_cancargs {
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netobj cookie;
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bool block;
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bool exclusive;
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struct nlm4_lock alock;
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};
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struct nlm4_unlockargs {
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netobj cookie;
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struct nlm4_lock alock;
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};
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struct nlm4_shareargs {
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netobj cookie;
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nlm4_share share;
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bool reclaim;
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};
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struct nlm4_shareres {
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netobj cookie;
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nlm4_stats stat;
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int sequence;
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};
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/*
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* argument for the procedure called by rpc.statd when a monitored host
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* status change.
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* XXX assumes LM_MAXSTRLEN == SM_MAXSTRLEN
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*/
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struct nlm_sm_status {
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string mon_name<LM_MAXSTRLEN>; /* name of host */
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int state; /* new state */
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opaque priv[16]; /* private data */
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};
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struct nlm4_notify {
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string name<MAXNAMELEN>;
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int32_t state;
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};
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/*
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* Over-the-wire protocol used between the network lock managers
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*/
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program NLM_PROG {
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version NLM_SM {
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void NLM_SM_NOTIFY(struct nlm_sm_status) = 1;
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} = 0;
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version NLM_VERS {
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nlm_testres NLM_TEST(struct nlm_testargs) = 1;
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nlm_res NLM_LOCK(struct nlm_lockargs) = 2;
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nlm_res NLM_CANCEL(struct nlm_cancargs) = 3;
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nlm_res NLM_UNLOCK(struct nlm_unlockargs) = 4;
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/*
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* remote lock manager call-back to grant lock
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*/
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nlm_res NLM_GRANTED(struct nlm_testargs)= 5;
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/*
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* message passing style of requesting lock
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*/
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void NLM_TEST_MSG(struct nlm_testargs) = 6;
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void NLM_LOCK_MSG(struct nlm_lockargs) = 7;
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void NLM_CANCEL_MSG(struct nlm_cancargs) =8;
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void NLM_UNLOCK_MSG(struct nlm_unlockargs) = 9;
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void NLM_GRANTED_MSG(struct nlm_testargs) = 10;
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void NLM_TEST_RES(nlm_testres) = 11;
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void NLM_LOCK_RES(nlm_res) = 12;
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void NLM_CANCEL_RES(nlm_res) = 13;
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void NLM_UNLOCK_RES(nlm_res) = 14;
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void NLM_GRANTED_RES(nlm_res) = 15;
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} = 1;
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version NLM_VERSX {
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nlm_shareres NLM_SHARE(nlm_shareargs) = 20;
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nlm_shareres NLM_UNSHARE(nlm_shareargs) = 21;
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nlm_res NLM_NM_LOCK(nlm_lockargs) = 22;
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void NLM_FREE_ALL(nlm_notify) = 23;
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} = 3;
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version NLM_VERS4 {
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nlm4_testres NLM4_TEST(nlm4_testargs) = 1;
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nlm4_res NLM4_LOCK(nlm4_lockargs) = 2;
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nlm4_res NLM4_CANCEL(nlm4_cancargs) = 3;
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nlm4_res NLM4_UNLOCK(nlm4_unlockargs) = 4;
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nlm4_res NLM4_GRANTED(nlm4_testargs) = 5;
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void NLM4_TEST_MSG(nlm4_testargs) = 6;
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void NLM4_LOCK_MSG(nlm4_lockargs) = 7;
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void NLM4_CANCEL_MSG(nlm4_cancargs) = 8;
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void NLM4_UNLOCK_MSG(nlm4_unlockargs) = 9;
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void NLM4_GRANTED_MSG(nlm4_testargs) = 10;
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void NLM4_TEST_RES(nlm4_testres) = 11;
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void NLM4_LOCK_RES(nlm4_res) = 12;
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void NLM4_CANCEL_RES(nlm4_res) = 13;
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void NLM4_UNLOCK_RES(nlm4_res) = 14;
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void NLM4_GRANTED_RES(nlm4_res) = 15;
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nlm4_shareres NLM4_SHARE(nlm4_shareargs) = 20;
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nlm4_shareres NLM4_UNSHARE(nlm4_shareargs) = 21;
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nlm4_res NLM4_NM_LOCK(nlm4_lockargs) = 22;
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void NLM4_FREE_ALL(nlm4_notify) = 23;
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} = 4;
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} = 100021;
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