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15edea2038
freebsd/sys/rpc/rpcb_prot.h
Doug Rabson dfdcada31e Add the new kernel-mode NFS Lock Manager. To use it instead of the 
user-mode lock manager, build a kernel with the NFSLOCKD option and
add '-k' to 'rpc_lockd_flags' in rc.conf.

Highlights include:

* Thread-safe kernel RPC client - many threads can use the same RPC
  client handle safely with replies being de-multiplexed at the socket
  upcall (typically driven directly by the NIC interrupt) and handed
  off to whichever thread matches the reply. For UDP sockets, many RPC
  clients can share the same socket. This allows the use of a single
  privileged UDP port number to talk to an arbitrary number of remote
  hosts.

* Single-threaded kernel RPC server. Adding support for multi-threaded
  server would be relatively straightforward and would follow
  approximately the Solaris KPI. A single thread should be sufficient
  for the NLM since it should rarely block in normal operation.

* Kernel mode NLM server supporting cancel requests and granted
  callbacks. I've tested the NLM server reasonably extensively - it
  passes both my own tests and the NFS Connectathon locking tests
  running on Solaris, Mac OS X and Ubuntu Linux.

* Userland NLM client supported. While the NLM server doesn't have
  support for the local NFS client's locking needs, it does have to
  field async replies and granted callbacks from remote NLMs that the
  local client has contacted. We relay these replies to the userland
  rpc.lockd over a local domain RPC socket.

* Robust deadlock detection for the local lock manager. In particular
  it will detect deadlocks caused by a lock request that covers more
  than one blocking request. As required by the NLM protocol, all
  deadlock detection happens synchronously - a user is guaranteed that
  if a lock request isn't rejected immediately, the lock will
  eventually be granted. The old system allowed for a 'deferred
  deadlock' condition where a blocked lock request could wake up and
  find that some other deadlock-causing lock owner had beaten them to
  the lock.

* Since both local and remote locks are managed by the same kernel
  locking code, local and remote processes can safely use file locks
  for mutual exclusion. Local processes have no fairness advantage
  compared to remote processes when contending to lock a region that
  has just been unlocked - the local lock manager enforces a strict
  first-come first-served model for both local and remote lockers.

Sponsored by:	Isilon Systems
PR:		95247 107555 115524 116679
MFC after:	2 weeks
2008-03-26 15:23:12 +00:00

580 lines
17 KiB
C
Raw Blame History

/*
* Please do not edit this file.
* It was generated using rpcgen.
*/
#ifndef _RPCB_PROT_H_RPCGEN
#define _RPCB_PROT_H_RPCGEN
#include <rpc/rpc.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* $FreeBSD$
*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
/*
* Copyright (c) 1988 by Sun Microsystems, Inc.
*/
/* from rpcb_prot.x */
/* #pragma ident "@(#)rpcb_prot.x 1.5 94/04/29 SMI" */
#ifndef _KERNEL
/*
* The following procedures are supported by the protocol in version 3:
*
* RPCBPROC_NULL() returns ()
* takes nothing, returns nothing
*
* RPCBPROC_SET(rpcb) returns (bool_t)
* TRUE is success, FALSE is failure. Registers the tuple
* [prog, vers, address, owner, netid].
* Finds out owner and netid information on its own.
*
* RPCBPROC_UNSET(rpcb) returns (bool_t)
* TRUE is success, FALSE is failure. Un-registers tuple
* [prog, vers, netid]. addresses is ignored.
* If netid is NULL, unregister all.
*
* RPCBPROC_GETADDR(rpcb) returns (string).
* 0 is failure. Otherwise returns the universal address where the
* triple [prog, vers, netid] is registered. Ignore address and owner.
*
* RPCBPROC_DUMP() RETURNS (rpcblist_ptr)
* used to dump the entire rpcbind maps
*
* RPCBPROC_CALLIT(rpcb_rmtcallargs)
* RETURNS (rpcb_rmtcallres);
* Calls the procedure on the remote machine. If it is not registered,
* this procedure is quiet; i.e. it does not return error information!!!
* This routine only passes null authentication parameters.
* It has no interface to xdr routines for RPCBPROC_CALLIT.
*
* RPCBPROC_GETTIME() returns (int).
* Gets the remote machines time
*
* RPCBPROC_UADDR2TADDR(strint) RETURNS (struct netbuf)
* Returns the netbuf address from universal address.
*
* RPCBPROC_TADDR2UADDR(struct netbuf) RETURNS (string)
* Returns the universal address from netbuf address.
*
* END OF RPCBIND VERSION 3 PROCEDURES
*/
/*
* Except for RPCBPROC_CALLIT, the procedures above are carried over to
* rpcbind version 4. Those below are added or modified for version 4.
* NOTE: RPCBPROC_BCAST HAS THE SAME FUNCTIONALITY AND PROCEDURE NUMBER
* AS RPCBPROC_CALLIT.
*
* RPCBPROC_BCAST(rpcb_rmtcallargs)
* RETURNS (rpcb_rmtcallres);
* Calls the procedure on the remote machine. If it is not registered,
* this procedure IS quiet; i.e. it DOES NOT return error information!!!
* This routine should be used for broadcasting and nothing else.
*
* RPCBPROC_GETVERSADDR(rpcb) returns (string).
* 0 is failure. Otherwise returns the universal address where the
* triple [prog, vers, netid] is registered. Ignore address and owner.
* Same as RPCBPROC_GETADDR except that if the given version number
* is not available, the address is not returned.
*
* RPCBPROC_INDIRECT(rpcb_rmtcallargs)
* RETURNS (rpcb_rmtcallres);
* Calls the procedure on the remote machine. If it is not registered,
* this procedure is NOT quiet; i.e. it DOES return error information!!!
* as any normal application would expect.
*
* RPCBPROC_GETADDRLIST(rpcb) returns (rpcb_entry_list_ptr).
* Same as RPCBPROC_GETADDR except that it returns a list of all the
* addresses registered for the combination (prog, vers) (for all
* transports).
*
* RPCBPROC_GETSTAT(void) returns (rpcb_stat_byvers)
* Returns the statistics about the kind of requests received by rpcbind.
*/
/*
* A mapping of (program, version, network ID) to address
*/
struct rpcb {
rpcprog_t r_prog;
rpcvers_t r_vers;
char *r_netid;
char *r_addr;
char *r_owner;
};
typedef struct rpcb rpcb;
typedef rpcb RPCB;
/*
* A list of mappings
*
* Below are two definitions for the rpcblist structure. This is done because
* xdr_rpcblist() is specified to take a struct rpcblist **, rather than a
* struct rpcblist * that rpcgen would produce. One version of the rpcblist
* structure (actually called rp__list) is used with rpcgen, and the other is
* defined only in the header file for compatibility with the specified
* interface.
*/
struct rp__list {
rpcb rpcb_map;
struct rp__list *rpcb_next;
};
typedef struct rp__list rp__list;
typedef rp__list *rpcblist_ptr;
typedef struct rp__list rpcblist;
typedef struct rp__list RPCBLIST;
#ifndef __cplusplus
struct rpcblist {
RPCB rpcb_map;
struct rpcblist *rpcb_next;
};
#endif
#ifdef __cplusplus
extern "C" {
#endif
extern bool_t xdr_rpcblist(XDR *, rpcblist**);
#ifdef __cplusplus
}
#endif
/*
* Arguments of remote calls
*/
struct rpcb_rmtcallargs {
rpcprog_t prog;
rpcvers_t vers;
rpcproc_t proc;
struct {
u_int args_len;
char *args_val;
} args;
};
typedef struct rpcb_rmtcallargs rpcb_rmtcallargs;
/*
* Client-side only representation of rpcb_rmtcallargs structure.
*
* The routine that XDRs the rpcb_rmtcallargs structure must deal with the
* opaque arguments in the "args" structure. xdr_rpcb_rmtcallargs() needs to
* be passed the XDR routine that knows the args' structure. This routine
* doesn't need to go over-the-wire (and it wouldn't make sense anyway) since
* the application being called already knows the args structure. So we use a
* different "XDR" structure on the client side, r_rpcb_rmtcallargs, which
* includes the args' XDR routine.
*/
struct r_rpcb_rmtcallargs {
rpcprog_t prog;
rpcvers_t vers;
rpcproc_t proc;
struct {
u_int args_len;
char *args_val;
} args;
xdrproc_t xdr_args; /* encodes args */
};
/*
* Results of the remote call
*/
struct rpcb_rmtcallres {
char *addr;
struct {
u_int results_len;
char *results_val;
} results;
};
typedef struct rpcb_rmtcallres rpcb_rmtcallres;
/*
* Client-side only representation of rpcb_rmtcallres structure.
*/
struct r_rpcb_rmtcallres {
char *addr;
struct {
uint32_t results_len;
char *results_val;
} results;
xdrproc_t xdr_res; /* decodes results */
};
/*
* rpcb_entry contains a merged address of a service on a particular
* transport, plus associated netconfig information. A list of rpcb_entrys
* is returned by RPCBPROC_GETADDRLIST. See netconfig.h for values used
* in r_nc_* fields.
*/
struct rpcb_entry {
char *r_maddr;
char *r_nc_netid;
u_int r_nc_semantics;
char *r_nc_protofmly;
char *r_nc_proto;
};
typedef struct rpcb_entry rpcb_entry;
/*
* A list of addresses supported by a service.
*/
struct rpcb_entry_list {
rpcb_entry rpcb_entry_map;
struct rpcb_entry_list *rpcb_entry_next;
};
typedef struct rpcb_entry_list rpcb_entry_list;
typedef rpcb_entry_list *rpcb_entry_list_ptr;
/*
* rpcbind statistics
*/
#define rpcb_highproc_2 RPCBPROC_CALLIT
#define rpcb_highproc_3 RPCBPROC_TADDR2UADDR
#define rpcb_highproc_4 RPCBPROC_GETSTAT
#define RPCBSTAT_HIGHPROC 13
#define RPCBVERS_STAT 3
#define RPCBVERS_4_STAT 2
#define RPCBVERS_3_STAT 1
#define RPCBVERS_2_STAT 0
/* Link list of all the stats about getport and getaddr */
struct rpcbs_addrlist {
rpcprog_t prog;
rpcvers_t vers;
int success;
int failure;
char *netid;
struct rpcbs_addrlist *next;
};
typedef struct rpcbs_addrlist rpcbs_addrlist;
/* Link list of all the stats about rmtcall */
struct rpcbs_rmtcalllist {
rpcprog_t prog;
rpcvers_t vers;
rpcproc_t proc;
int success;
int failure;
int indirect;
char *netid;
struct rpcbs_rmtcalllist *next;
};
typedef struct rpcbs_rmtcalllist rpcbs_rmtcalllist;
typedef int rpcbs_proc[RPCBSTAT_HIGHPROC];
typedef rpcbs_addrlist *rpcbs_addrlist_ptr;
typedef rpcbs_rmtcalllist *rpcbs_rmtcalllist_ptr;
struct rpcb_stat {
rpcbs_proc info;
int setinfo;
int unsetinfo;
rpcbs_addrlist_ptr addrinfo;
rpcbs_rmtcalllist_ptr rmtinfo;
};
typedef struct rpcb_stat rpcb_stat;
/*
* One rpcb_stat structure is returned for each version of rpcbind
* being monitored.
*/
typedef rpcb_stat rpcb_stat_byvers[RPCBVERS_STAT];
/*
* We don't define netbuf in RPCL, since it would contain structure member
* names that would conflict with the definition of struct netbuf in
* <tiuser.h>. Instead we merely declare the XDR routine xdr_netbuf() here,
* and implement it ourselves in rpc/rpcb_prot.c.
*/
#ifdef __cplusplus
extern "C" bool_t xdr_netbuf(XDR *, struct netbuf *);
#else /* __STDC__ */
extern bool_t xdr_netbuf(XDR *, struct netbuf *);
#endif
#define RPCBVERS_3 RPCBVERS
#define RPCBVERS_4 RPCBVERS4
#else /* ndef _KERNEL */
#ifdef __cplusplus
extern "C" {
#endif
/*
* A mapping of (program, version, network ID) to address
*/
struct rpcb {
rpcprog_t r_prog; /* program number */
rpcvers_t r_vers; /* version number */
char *r_netid; /* network id */
char *r_addr; /* universal address */
char *r_owner; /* owner of the mapping */
};
typedef struct rpcb RPCB;
/*
* A list of mappings
*/
struct rpcblist {
RPCB rpcb_map;
struct rpcblist *rpcb_next;
};
typedef struct rpcblist RPCBLIST;
typedef struct rpcblist *rpcblist_ptr;
/*
* Remote calls arguments
*/
struct rpcb_rmtcallargs {
rpcprog_t prog; /* program number */
rpcvers_t vers; /* version number */
rpcproc_t proc; /* procedure number */
uint32_t arglen; /* arg len */
caddr_t args_ptr; /* argument */
xdrproc_t xdr_args; /* XDR routine for argument */
};
typedef struct rpcb_rmtcallargs rpcb_rmtcallargs;
/*
* Remote calls results
*/
struct rpcb_rmtcallres {
char *addr_ptr; /* remote universal address */
uint32_t resultslen; /* results length */
caddr_t results_ptr; /* results */
xdrproc_t xdr_results; /* XDR routine for result */
};
typedef struct rpcb_rmtcallres rpcb_rmtcallres;
struct rpcb_entry {
char *r_maddr;
char *r_nc_netid;
unsigned int r_nc_semantics;
char *r_nc_protofmly;
char *r_nc_proto;
};
typedef struct rpcb_entry rpcb_entry;
/*
* A list of addresses supported by a service.
*/
struct rpcb_entry_list {
rpcb_entry rpcb_entry_map;
struct rpcb_entry_list *rpcb_entry_next;
};
typedef struct rpcb_entry_list rpcb_entry_list;
typedef rpcb_entry_list *rpcb_entry_list_ptr;
/*
* rpcbind statistics
*/
#define rpcb_highproc_2 RPCBPROC_CALLIT
#define rpcb_highproc_3 RPCBPROC_TADDR2UADDR
#define rpcb_highproc_4 RPCBPROC_GETSTAT
#define RPCBSTAT_HIGHPROC 13
#define RPCBVERS_STAT 3
#define RPCBVERS_4_STAT 2
#define RPCBVERS_3_STAT 1
#define RPCBVERS_2_STAT 0
/* Link list of all the stats about getport and getaddr */
struct rpcbs_addrlist {
rpcprog_t prog;
rpcvers_t vers;
int success;
int failure;
char *netid;
struct rpcbs_addrlist *next;
};
typedef struct rpcbs_addrlist rpcbs_addrlist;
/* Link list of all the stats about rmtcall */
struct rpcbs_rmtcalllist {
rpcprog_t prog;
rpcvers_t vers;
rpcproc_t proc;
int success;
int failure;
int indirect;
char *netid;
struct rpcbs_rmtcalllist *next;
};
typedef struct rpcbs_rmtcalllist rpcbs_rmtcalllist;
typedef int rpcbs_proc[RPCBSTAT_HIGHPROC];
typedef rpcbs_addrlist *rpcbs_addrlist_ptr;
typedef rpcbs_rmtcalllist *rpcbs_rmtcalllist_ptr;
struct rpcb_stat {
rpcbs_proc info;
int setinfo;
int unsetinfo;
rpcbs_addrlist_ptr addrinfo;
rpcbs_rmtcalllist_ptr rmtinfo;
};
typedef struct rpcb_stat rpcb_stat;
/*
* One rpcb_stat structure is returned for each version of rpcbind
* being monitored.
*/
typedef rpcb_stat rpcb_stat_byvers[RPCBVERS_STAT];
#ifdef __cplusplus
}
#endif
#endif /* ndef _KERNEL */
#define _PATH_RPCBINDSOCK "/var/run/rpcbind.sock"
#define RPCBPROG ((unsigned long)(100000))
#define RPCBVERS ((unsigned long)(3))
extern void rpcbprog_3(struct svc_req *rqstp, SVCXPRT *transp);
#define RPCBPROC_SET ((unsigned long)(1))
extern bool_t * rpcbproc_set_3(RPCB *, CLIENT *);
extern bool_t * rpcbproc_set_3_svc(RPCB *, struct svc_req *);
#define RPCBPROC_UNSET ((unsigned long)(2))
extern bool_t * rpcbproc_unset_3(RPCB *, CLIENT *);
extern bool_t * rpcbproc_unset_3_svc(RPCB *, struct svc_req *);
#define RPCBPROC_GETADDR ((unsigned long)(3))
extern char ** rpcbproc_getaddr_3(RPCB *, CLIENT *);
extern char ** rpcbproc_getaddr_3_svc(RPCB *, struct svc_req *);
#define RPCBPROC_DUMP ((unsigned long)(4))
extern rpcblist_ptr * rpcbproc_dump_3(void *, CLIENT *);
extern rpcblist_ptr * rpcbproc_dump_3_svc(void *, struct svc_req *);
#define RPCBPROC_CALLIT ((unsigned long)(5))
extern rpcb_rmtcallres * rpcbproc_callit_3(rpcb_rmtcallargs *, CLIENT *);
extern rpcb_rmtcallres * rpcbproc_callit_3_svc(rpcb_rmtcallargs *, struct svc_req *);
#define RPCBPROC_GETTIME ((unsigned long)(6))
extern u_int * rpcbproc_gettime_3(void *, CLIENT *);
extern u_int * rpcbproc_gettime_3_svc(void *, struct svc_req *);
#define RPCBPROC_UADDR2TADDR ((unsigned long)(7))
extern struct netbuf * rpcbproc_uaddr2taddr_3(char **, CLIENT *);
extern struct netbuf * rpcbproc_uaddr2taddr_3_svc(char **, struct svc_req *);
#define RPCBPROC_TADDR2UADDR ((unsigned long)(8))
extern char ** rpcbproc_taddr2uaddr_3(struct netbuf *, CLIENT *);
extern char ** rpcbproc_taddr2uaddr_3_svc(struct netbuf *, struct svc_req *);
extern int rpcbprog_3_freeresult(SVCXPRT *, xdrproc_t, caddr_t);
#define RPCBVERS4 ((unsigned long)(4))
extern void rpcbprog_4(struct svc_req *rqstp, SVCXPRT *transp);
extern bool_t * rpcbproc_set_4(RPCB *, CLIENT *);
extern bool_t * rpcbproc_set_4_svc(RPCB *, struct svc_req *);
extern bool_t * rpcbproc_unset_4(RPCB *, CLIENT *);
extern bool_t * rpcbproc_unset_4_svc(RPCB *, struct svc_req *);
extern char ** rpcbproc_getaddr_4(RPCB *, CLIENT *);
extern char ** rpcbproc_getaddr_4_svc(RPCB *, struct svc_req *);
extern rpcblist_ptr * rpcbproc_dump_4(void *, CLIENT *);
extern rpcblist_ptr * rpcbproc_dump_4_svc(void *, struct svc_req *);
#define RPCBPROC_BCAST ((unsigned long)(RPCBPROC_CALLIT))
extern rpcb_rmtcallres * rpcbproc_bcast_4(rpcb_rmtcallargs *, CLIENT *);
extern rpcb_rmtcallres * rpcbproc_bcast_4_svc(rpcb_rmtcallargs *, struct svc_req *);
extern u_int * rpcbproc_gettime_4(void *, CLIENT *);
extern u_int * rpcbproc_gettime_4_svc(void *, struct svc_req *);
extern struct netbuf * rpcbproc_uaddr2taddr_4(char **, CLIENT *);
extern struct netbuf * rpcbproc_uaddr2taddr_4_svc(char **, struct svc_req *);
extern char ** rpcbproc_taddr2uaddr_4(struct netbuf *, CLIENT *);
extern char ** rpcbproc_taddr2uaddr_4_svc(struct netbuf *, struct svc_req *);
#define RPCBPROC_GETVERSADDR ((unsigned long)(9))
extern char ** rpcbproc_getversaddr_4(RPCB *, CLIENT *);
extern char ** rpcbproc_getversaddr_4_svc(RPCB *, struct svc_req *);
#define RPCBPROC_INDIRECT ((unsigned long)(10))
extern rpcb_rmtcallres * rpcbproc_indirect_4(rpcb_rmtcallargs *, CLIENT *);
extern rpcb_rmtcallres * rpcbproc_indirect_4_svc(rpcb_rmtcallargs *, struct svc_req *);
#define RPCBPROC_GETADDRLIST ((unsigned long)(11))
extern rpcb_entry_list_ptr * rpcbproc_getaddrlist_4(RPCB *, CLIENT *);
extern rpcb_entry_list_ptr * rpcbproc_getaddrlist_4_svc(RPCB *, struct svc_req *);
#define RPCBPROC_GETSTAT ((unsigned long)(12))
extern rpcb_stat * rpcbproc_getstat_4(void *, CLIENT *);
extern rpcb_stat * rpcbproc_getstat_4_svc(void *, struct svc_req *);
extern int rpcbprog_4_freeresult(SVCXPRT *, xdrproc_t, caddr_t);
/* the xdr functions */
extern bool_t xdr_rpcb(XDR *, RPCB *);
#ifndef _KERNEL
extern bool_t xdr_rp__list(XDR *, rp__list*);
#endif
extern bool_t xdr_rpcblist_ptr(XDR *, rpcblist_ptr*);
extern bool_t xdr_rpcb_rmtcallargs(XDR *, rpcb_rmtcallargs*);
extern bool_t xdr_rpcb_rmtcallres(XDR *, rpcb_rmtcallres*);
extern bool_t xdr_rpcb_entry(XDR *, rpcb_entry*);
extern bool_t xdr_rpcb_entry_list(XDR *, rpcb_entry_list*);
extern bool_t xdr_rpcb_entry_list_ptr(XDR *, rpcb_entry_list_ptr*);
extern bool_t xdr_rpcbs_addrlist(XDR *, rpcbs_addrlist*);
extern bool_t xdr_rpcbs_rmtcalllist(XDR *, rpcbs_rmtcalllist*);
extern bool_t xdr_rpcbs_proc(XDR *, rpcbs_proc);
extern bool_t xdr_rpcbs_addrlist_ptr(XDR *, rpcbs_addrlist_ptr*);
extern bool_t xdr_rpcbs_rmtcalllist_ptr(XDR *, rpcbs_rmtcalllist_ptr*);
extern bool_t xdr_rpcb_stat(XDR *, rpcb_stat*);
extern bool_t xdr_rpcb_stat_byvers(XDR *, rpcb_stat_byvers);
#ifdef __cplusplus
}
#endif
#endif /* !_RPCB_PROT_H_RPCGEN */
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