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/*
* nfsrpc.h -- RPC client APIs provided by support/nfs
*
* Copyright (C) 2008 Oracle Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
*
*/
#ifndef __NFS_UTILS_NFSRPC_H
#define __NFS_UTILS_NFSRPC_H
#include <string.h>
#include <rpc/types.h>
#include <rpc/clnt.h>
/*
* IANA does not define an IP protocol number for RDMA transports.
* Choose an arbitrary value we can use locally.
*/
#define NFSPROTO_RDMA (3939)
/*
* Conventional RPC program numbers
*/
#ifndef RPCBPROG
#define RPCBPROG ((rpcprog_t)100000)
#endif
#ifndef PMAPPROG
#define PMAPPROG ((rpcprog_t)100000)
#endif
#ifndef NFSPROG
#define NFSPROG ((rpcprog_t)100003)
#endif
#ifndef MOUNTPROG
#define MOUNTPROG ((rpcprog_t)100005)
#endif
#ifndef NLMPROG
#define NLMPROG ((rpcprog_t)100021)
#endif
#ifndef NSMPROG
#define NSMPROG ((rpcprog_t)100024)
#endif
/**
* nfs_clear_rpc_createerr - zap all error reporting fields
*
*/
static inline void nfs_clear_rpc_createerr(void)
{
memset(&rpc_createerr, 0, sizeof(rpc_createerr));
}
/*
* Look up an RPC program name in /etc/rpc
*/
extern rpcprog_t nfs_getrpcbyname(const rpcprog_t, const char *table[]);
/*
* Acquire an RPC CLIENT * with an ephemeral source port
*/
extern CLIENT *nfs_get_rpcclient(const struct sockaddr *,
const socklen_t, const unsigned short,
const rpcprog_t, const rpcvers_t,
struct timeval *);
/*
* Acquire an RPC CLIENT * with a privileged source port
*/
extern CLIENT *nfs_get_priv_rpcclient( const struct sockaddr *,
const socklen_t, const unsigned short,
const rpcprog_t, const rpcvers_t,
struct timeval *);
/*
* Convert a netid to a protocol number and protocol family
*/
extern int nfs_get_proto(const char *netid, sa_family_t *family,
unsigned long *protocol);
/*
* Convert a protocol family and protocol name to a netid
*/
extern char *nfs_get_netid(const sa_family_t family,
const unsigned long protocol);
/*
* Convert a socket address to a universal address
*/
extern char *nfs_sockaddr2universal(const struct sockaddr *);
/*
* Extract port number from a universal address
*/
extern int nfs_universal2port(const char *);
/*
* Generic function that maps an RPC service tuple to an IP port
* number of the service on a remote post, and sends a NULL
* request to determine if the service is responding to requests
*/
extern int nfs_getport_ping(struct sockaddr *sap,
const socklen_t salen,
const rpcprog_t program,
const rpcvers_t version,
const unsigned short protocol);
/*
* Generic function that maps an RPC service tuple to an IP port
* number of the service on a remote host
*/
extern unsigned short nfs_getport(const struct sockaddr *,
const socklen_t, const rpcprog_t,
const rpcvers_t, const unsigned short);
/*
* Generic function that maps an RPC service tuple to an IP port
* number of the service on the local host
*/
extern unsigned short nfs_getlocalport(const rpcprot_t,
const rpcvers_t, const unsigned short);
/*
* Function to invoke an rpcbind v3/v4 GETADDR request
*/
extern unsigned short nfs_rpcb_getaddr(const struct sockaddr *,
const socklen_t,
const unsigned short,
const struct sockaddr *,
const rpcprog_t,
const rpcvers_t,
const unsigned short,
const struct timeval *);
/*
* Function to invoke a portmap GETPORT request
*/
extern unsigned long nfs_pmap_getport(const struct sockaddr_in *,
const unsigned short,
const unsigned long,
const unsigned long,
const unsigned long,
const struct timeval *);
/*
* Use nfs_pmap_getport to see if statd is running locally
*/
extern int nfs_probe_statd(void);
/*
* Contact a remote RPC service to discover whether it is responding
* to requests.
*/
extern int nfs_rpc_ping(const struct sockaddr *sap,
const socklen_t salen,
const rpcprog_t program,
const rpcvers_t version,
const unsigned short protocol,
const struct timeval *timeout);
/* create AUTH_SYS handle with no supplemental groups */
extern AUTH * nfs_authsys_create(void);
#endif /* !__NFS_UTILS_NFSRPC_H */
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