581 lines
15 KiB
C
581 lines
15 KiB
C
|
/*
|
||
|
|
* linux/fs/lockd/svc4proc.c
|
||
|
|
*
|
||
|
|
* Lockd server procedures. We don't implement the NLM_*_RES
|
||
|
|
* procedures because we don't use the async procedures.
|
||
|
|
*
|
||
|
|
* Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/time.h>
|
||
|
|
#include <linux/slab.h>
|
||
|
|
#include <linux/in.h>
|
||
|
|
#include <linux/sunrpc/svc.h>
|
||
|
|
#include <linux/sunrpc/clnt.h>
|
||
|
|
#include <linux/nfsd/nfsd.h>
|
||
|
|
#include <linux/lockd/lockd.h>
|
||
|
|
#include <linux/lockd/share.h>
|
||
|
|
#include <linux/lockd/sm_inter.h>
|
||
|
|
|
||
|
|
|
||
|
|
#define NLMDBG_FACILITY NLMDBG_CLIENT
|
||
|
|
|
||
|
|
static u32 nlm4svc_callback(struct svc_rqst *, u32, struct nlm_res *);
|
||
|
|
static void nlm4svc_callback_exit(struct rpc_task *);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Obtain client and file from arguments
|
||
|
|
*/
|
||
|
|
static u32
|
||
|
|
nlm4svc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
struct nlm_host **hostp, struct nlm_file **filp)
|
||
|
|
{
|
||
|
|
struct nlm_host *host = NULL;
|
||
|
|
struct nlm_file *file = NULL;
|
||
|
|
struct nlm_lock *lock = &argp->lock;
|
||
|
|
u32 error = 0;
|
||
|
|
|
||
|
|
/* nfsd callbacks must have been installed for this procedure */
|
||
|
|
if (!nlmsvc_ops)
|
||
|
|
return nlm_lck_denied_nolocks;
|
||
|
|
|
||
|
|
/* Obtain host handle */
|
||
|
|
if (!(host = nlmsvc_lookup_host(rqstp))
|
||
|
|
|| (argp->monitor && !host->h_monitored && nsm_monitor(host) < 0))
|
||
|
|
goto no_locks;
|
||
|
|
*hostp = host;
|
||
|
|
|
||
|
|
/* Obtain file pointer. Not used by FREE_ALL call. */
|
||
|
|
if (filp != NULL) {
|
||
|
|
if ((error = nlm_lookup_file(rqstp, &file, &lock->fh)) != 0)
|
||
|
|
goto no_locks;
|
||
|
|
*filp = file;
|
||
|
|
|
||
|
|
/* Set up the missing parts of the file_lock structure */
|
||
|
|
lock->fl.fl_file = file->f_file;
|
||
|
|
lock->fl.fl_owner = (fl_owner_t) host;
|
||
|
|
lock->fl.fl_lmops = &nlmsvc_lock_operations;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
no_locks:
|
||
|
|
if (host)
|
||
|
|
nlm_release_host(host);
|
||
|
|
if (error)
|
||
|
|
return error;
|
||
|
|
return nlm_lck_denied_nolocks;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* NULL: Test for presence of service
|
||
|
|
*/
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
|
||
|
|
{
|
||
|
|
dprintk("lockd: NULL called\n");
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* TEST: Check for conflicting lock
|
||
|
|
*/
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_test(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
struct nlm_res *resp)
|
||
|
|
{
|
||
|
|
struct nlm_host *host;
|
||
|
|
struct nlm_file *file;
|
||
|
|
|
||
|
|
dprintk("lockd: TEST4 called\n");
|
||
|
|
resp->cookie = argp->cookie;
|
||
|
|
|
||
|
|
/* Don't accept test requests during grace period */
|
||
|
|
if (nlmsvc_grace_period) {
|
||
|
|
resp->status = nlm_lck_denied_grace_period;
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Obtain client and file */
|
||
|
|
if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
|
||
|
|
return rpc_success;
|
||
|
|
|
||
|
|
/* Now check for conflicting locks */
|
||
|
|
resp->status = nlmsvc_testlock(file, &argp->lock, &resp->lock);
|
||
|
|
|
||
|
|
dprintk("lockd: TEST4 status %d\n", ntohl(resp->status));
|
||
|
|
nlm_release_host(host);
|
||
|
|
nlm_release_file(file);
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_lock(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
struct nlm_res *resp)
|
||
|
|
{
|
||
|
|
struct nlm_host *host;
|
||
|
|
struct nlm_file *file;
|
||
|
|
|
||
|
|
dprintk("lockd: LOCK called\n");
|
||
|
|
|
||
|
|
resp->cookie = argp->cookie;
|
||
|
|
|
||
|
|
/* Don't accept new lock requests during grace period */
|
||
|
|
if (nlmsvc_grace_period && !argp->reclaim) {
|
||
|
|
resp->status = nlm_lck_denied_grace_period;
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Obtain client and file */
|
||
|
|
if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
|
||
|
|
return rpc_success;
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
/* If supplied state doesn't match current state, we assume it's
|
||
|
|
* an old request that time-warped somehow. Any error return would
|
||
|
|
* do in this case because it's irrelevant anyway.
|
||
|
|
*
|
||
|
|
* NB: We don't retrieve the remote host's state yet.
|
||
|
|
*/
|
||
|
|
if (host->h_nsmstate && host->h_nsmstate != argp->state) {
|
||
|
|
resp->status = nlm_lck_denied_nolocks;
|
||
|
|
} else
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Now try to lock the file */
|
||
|
|
resp->status = nlmsvc_lock(rqstp, file, &argp->lock,
|
||
|
|
argp->block, &argp->cookie);
|
||
|
|
|
||
|
|
dprintk("lockd: LOCK status %d\n", ntohl(resp->status));
|
||
|
|
nlm_release_host(host);
|
||
|
|
nlm_release_file(file);
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_cancel(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
struct nlm_res *resp)
|
||
|
|
{
|
||
|
|
struct nlm_host *host;
|
||
|
|
struct nlm_file *file;
|
||
|
|
|
||
|
|
dprintk("lockd: CANCEL called\n");
|
||
|
|
|
||
|
|
resp->cookie = argp->cookie;
|
||
|
|
|
||
|
|
/* Don't accept requests during grace period */
|
||
|
|
if (nlmsvc_grace_period) {
|
||
|
|
resp->status = nlm_lck_denied_grace_period;
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Obtain client and file */
|
||
|
|
if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
|
||
|
|
return rpc_success;
|
||
|
|
|
||
|
|
/* Try to cancel request. */
|
||
|
|
resp->status = nlmsvc_cancel_blocked(file, &argp->lock);
|
||
|
|
|
||
|
|
dprintk("lockd: CANCEL status %d\n", ntohl(resp->status));
|
||
|
|
nlm_release_host(host);
|
||
|
|
nlm_release_file(file);
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* UNLOCK: release a lock
|
||
|
|
*/
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_unlock(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
struct nlm_res *resp)
|
||
|
|
{
|
||
|
|
struct nlm_host *host;
|
||
|
|
struct nlm_file *file;
|
||
|
|
|
||
|
|
dprintk("lockd: UNLOCK called\n");
|
||
|
|
|
||
|
|
resp->cookie = argp->cookie;
|
||
|
|
|
||
|
|
/* Don't accept new lock requests during grace period */
|
||
|
|
if (nlmsvc_grace_period) {
|
||
|
|
resp->status = nlm_lck_denied_grace_period;
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Obtain client and file */
|
||
|
|
if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
|
||
|
|
return rpc_success;
|
||
|
|
|
||
|
|
/* Now try to remove the lock */
|
||
|
|
resp->status = nlmsvc_unlock(file, &argp->lock);
|
||
|
|
|
||
|
|
dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status));
|
||
|
|
nlm_release_host(host);
|
||
|
|
nlm_release_file(file);
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* GRANTED: A server calls us to tell that a process' lock request
|
||
|
|
* was granted
|
||
|
|
*/
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_granted(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
struct nlm_res *resp)
|
||
|
|
{
|
||
|
|
resp->cookie = argp->cookie;
|
||
|
|
|
||
|
|
dprintk("lockd: GRANTED called\n");
|
||
|
|
resp->status = nlmclnt_grant(&argp->lock);
|
||
|
|
dprintk("lockd: GRANTED status %d\n", ntohl(resp->status));
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* `Async' versions of the above service routines. They aren't really,
|
||
|
|
* because we send the callback before the reply proper. I hope this
|
||
|
|
* doesn't break any clients.
|
||
|
|
*/
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_test_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
void *resp)
|
||
|
|
{
|
||
|
|
struct nlm_res res;
|
||
|
|
u32 stat;
|
||
|
|
|
||
|
|
dprintk("lockd: TEST_MSG called\n");
|
||
|
|
memset(&res, 0, sizeof(res));
|
||
|
|
|
||
|
|
if ((stat = nlm4svc_proc_test(rqstp, argp, &res)) == 0)
|
||
|
|
stat = nlm4svc_callback(rqstp, NLMPROC_TEST_RES, &res);
|
||
|
|
return stat;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_lock_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
void *resp)
|
||
|
|
{
|
||
|
|
struct nlm_res res;
|
||
|
|
u32 stat;
|
||
|
|
|
||
|
|
dprintk("lockd: LOCK_MSG called\n");
|
||
|
|
memset(&res, 0, sizeof(res));
|
||
|
|
|
||
|
|
if ((stat = nlm4svc_proc_lock(rqstp, argp, &res)) == 0)
|
||
|
|
stat = nlm4svc_callback(rqstp, NLMPROC_LOCK_RES, &res);
|
||
|
|
return stat;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_cancel_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
void *resp)
|
||
|
|
{
|
||
|
|
struct nlm_res res;
|
||
|
|
u32 stat;
|
||
|
|
|
||
|
|
dprintk("lockd: CANCEL_MSG called\n");
|
||
|
|
memset(&res, 0, sizeof(res));
|
||
|
|
|
||
|
|
if ((stat = nlm4svc_proc_cancel(rqstp, argp, &res)) == 0)
|
||
|
|
stat = nlm4svc_callback(rqstp, NLMPROC_CANCEL_RES, &res);
|
||
|
|
return stat;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_unlock_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
void *resp)
|
||
|
|
{
|
||
|
|
struct nlm_res res;
|
||
|
|
u32 stat;
|
||
|
|
|
||
|
|
dprintk("lockd: UNLOCK_MSG called\n");
|
||
|
|
memset(&res, 0, sizeof(res));
|
||
|
|
|
||
|
|
if ((stat = nlm4svc_proc_unlock(rqstp, argp, &res)) == 0)
|
||
|
|
stat = nlm4svc_callback(rqstp, NLMPROC_UNLOCK_RES, &res);
|
||
|
|
return stat;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_granted_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
void *resp)
|
||
|
|
{
|
||
|
|
struct nlm_res res;
|
||
|
|
u32 stat;
|
||
|
|
|
||
|
|
dprintk("lockd: GRANTED_MSG called\n");
|
||
|
|
memset(&res, 0, sizeof(res));
|
||
|
|
|
||
|
|
if ((stat = nlm4svc_proc_granted(rqstp, argp, &res)) == 0)
|
||
|
|
stat = nlm4svc_callback(rqstp, NLMPROC_GRANTED_RES, &res);
|
||
|
|
return stat;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* SHARE: create a DOS share or alter existing share.
|
||
|
|
*/
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_share(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
struct nlm_res *resp)
|
||
|
|
{
|
||
|
|
struct nlm_host *host;
|
||
|
|
struct nlm_file *file;
|
||
|
|
|
||
|
|
dprintk("lockd: SHARE called\n");
|
||
|
|
|
||
|
|
resp->cookie = argp->cookie;
|
||
|
|
|
||
|
|
/* Don't accept new lock requests during grace period */
|
||
|
|
if (nlmsvc_grace_period && !argp->reclaim) {
|
||
|
|
resp->status = nlm_lck_denied_grace_period;
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Obtain client and file */
|
||
|
|
if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
|
||
|
|
return rpc_success;
|
||
|
|
|
||
|
|
/* Now try to create the share */
|
||
|
|
resp->status = nlmsvc_share_file(host, file, argp);
|
||
|
|
|
||
|
|
dprintk("lockd: SHARE status %d\n", ntohl(resp->status));
|
||
|
|
nlm_release_host(host);
|
||
|
|
nlm_release_file(file);
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* UNSHARE: Release a DOS share.
|
||
|
|
*/
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_unshare(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
struct nlm_res *resp)
|
||
|
|
{
|
||
|
|
struct nlm_host *host;
|
||
|
|
struct nlm_file *file;
|
||
|
|
|
||
|
|
dprintk("lockd: UNSHARE called\n");
|
||
|
|
|
||
|
|
resp->cookie = argp->cookie;
|
||
|
|
|
||
|
|
/* Don't accept requests during grace period */
|
||
|
|
if (nlmsvc_grace_period) {
|
||
|
|
resp->status = nlm_lck_denied_grace_period;
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Obtain client and file */
|
||
|
|
if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
|
||
|
|
return rpc_success;
|
||
|
|
|
||
|
|
/* Now try to lock the file */
|
||
|
|
resp->status = nlmsvc_unshare_file(host, file, argp);
|
||
|
|
|
||
|
|
dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status));
|
||
|
|
nlm_release_host(host);
|
||
|
|
nlm_release_file(file);
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* NM_LOCK: Create an unmonitored lock
|
||
|
|
*/
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_nm_lock(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
struct nlm_res *resp)
|
||
|
|
{
|
||
|
|
dprintk("lockd: NM_LOCK called\n");
|
||
|
|
|
||
|
|
argp->monitor = 0; /* just clean the monitor flag */
|
||
|
|
return nlm4svc_proc_lock(rqstp, argp, resp);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* FREE_ALL: Release all locks and shares held by client
|
||
|
|
*/
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_free_all(struct svc_rqst *rqstp, struct nlm_args *argp,
|
||
|
|
void *resp)
|
||
|
|
{
|
||
|
|
struct nlm_host *host;
|
||
|
|
|
||
|
|
/* Obtain client */
|
||
|
|
if (nlm4svc_retrieve_args(rqstp, argp, &host, NULL))
|
||
|
|
return rpc_success;
|
||
|
|
|
||
|
|
nlmsvc_free_host_resources(host);
|
||
|
|
nlm_release_host(host);
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* SM_NOTIFY: private callback from statd (not part of official NLM proto)
|
||
|
|
*/
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_sm_notify(struct svc_rqst *rqstp, struct nlm_reboot *argp,
|
||
|
|
void *resp)
|
||
|
|
{
|
||
|
|
struct sockaddr_in saddr = rqstp->rq_addr;
|
||
|
|
int vers = argp->vers;
|
||
|
|
int prot = argp->proto >> 1;
|
||
|
|
|
||
|
|
struct nlm_host *host;
|
||
|
|
|
||
|
|
dprintk("lockd: SM_NOTIFY called\n");
|
||
|
|
if (saddr.sin_addr.s_addr != htonl(INADDR_LOOPBACK)
|
||
|
|
|| ntohs(saddr.sin_port) >= 1024) {
|
||
|
|
printk(KERN_WARNING
|
||
|
|
"lockd: rejected NSM callback from %08x:%d\n",
|
||
|
|
ntohl(rqstp->rq_addr.sin_addr.s_addr),
|
||
|
|
ntohs(rqstp->rq_addr.sin_port));
|
||
|
|
return rpc_system_err;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Obtain the host pointer for this NFS server and try to
|
||
|
|
* reclaim all locks we hold on this server.
|
||
|
|
*/
|
||
|
|
saddr.sin_addr.s_addr = argp->addr;
|
||
|
|
|
||
|
|
if ((argp->proto & 1)==0) {
|
||
|
|
if ((host = nlmclnt_lookup_host(&saddr, prot, vers)) != NULL) {
|
||
|
|
nlmclnt_recovery(host, argp->state);
|
||
|
|
nlm_release_host(host);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
/* If we run on an NFS server, delete all locks held by the client */
|
||
|
|
|
||
|
|
if ((host = nlm_lookup_host(1, &saddr, prot, vers)) != NULL) {
|
||
|
|
nlmsvc_free_host_resources(host);
|
||
|
|
nlm_release_host(host);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* client sent a GRANTED_RES, let's remove the associated block
|
||
|
|
*/
|
||
|
|
static int
|
||
|
|
nlm4svc_proc_granted_res(struct svc_rqst *rqstp, struct nlm_res *argp,
|
||
|
|
void *resp)
|
||
|
|
{
|
||
|
|
if (!nlmsvc_ops)
|
||
|
|
return rpc_success;
|
||
|
|
|
||
|
|
dprintk("lockd: GRANTED_RES called\n");
|
||
|
|
|
||
|
|
nlmsvc_grant_reply(rqstp, &argp->cookie, argp->status);
|
||
|
|
return rpc_success;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This is the generic lockd callback for async RPC calls
|
||
|
|
*/
|
||
|
|
static u32
|
||
|
|
nlm4svc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_res *resp)
|
||
|
|
{
|
||
|
|
struct nlm_host *host;
|
||
|
|
struct nlm_rqst *call;
|
||
|
|
|
||
|
|
if (!(call = nlmclnt_alloc_call()))
|
||
|
|
return rpc_system_err;
|
||
|
|
|
||
|
|
host = nlmclnt_lookup_host(&rqstp->rq_addr,
|
||
|
|
rqstp->rq_prot, rqstp->rq_vers);
|
||
|
|
if (!host) {
|
||
|
|
kfree(call);
|
||
|
|
return rpc_system_err;
|
||
|
|
}
|
||
|
|
|
||
|
|
call->a_flags = RPC_TASK_ASYNC;
|
||
|
|
call->a_host = host;
|
||
|
|
memcpy(&call->a_args, resp, sizeof(*resp));
|
||
|
|
|
||
|
|
if (nlmsvc_async_call(call, proc, nlm4svc_callback_exit) < 0)
|
||
|
|
goto error;
|
||
|
|
|
||
|
|
return rpc_success;
|
||
|
|
error:
|
||
|
|
kfree(call);
|
||
|
|
nlm_release_host(host);
|
||
|
|
return rpc_system_err;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
nlm4svc_callback_exit(struct rpc_task *task)
|
||
|
|
{
|
||
|
|
struct nlm_rqst *call = (struct nlm_rqst *) task->tk_calldata;
|
||
|
|
|
||
|
|
if (task->tk_status < 0) {
|
||
|
|
dprintk("lockd: %4d callback failed (errno = %d)\n",
|
||
|
|
task->tk_pid, -task->tk_status);
|
||
|
|
}
|
||
|
|
nlm_release_host(call->a_host);
|
||
|
|
kfree(call);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* NLM Server procedures.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define nlm4svc_encode_norep nlm4svc_encode_void
|
||
|
|
#define nlm4svc_decode_norep nlm4svc_decode_void
|
||
|
|
#define nlm4svc_decode_testres nlm4svc_decode_void
|
||
|
|
#define nlm4svc_decode_lockres nlm4svc_decode_void
|
||
|
|
#define nlm4svc_decode_unlockres nlm4svc_decode_void
|
||
|
|
#define nlm4svc_decode_cancelres nlm4svc_decode_void
|
||
|
|
#define nlm4svc_decode_grantedres nlm4svc_decode_void
|
||
|
|
|
||
|
|
#define nlm4svc_proc_none nlm4svc_proc_null
|
||
|
|
#define nlm4svc_proc_test_res nlm4svc_proc_null
|
||
|
|
#define nlm4svc_proc_lock_res nlm4svc_proc_null
|
||
|
|
#define nlm4svc_proc_cancel_res nlm4svc_proc_null
|
||
|
|
#define nlm4svc_proc_unlock_res nlm4svc_proc_null
|
||
|
|
|
||
|
|
struct nlm_void { int dummy; };
|
||
|
|
|
||
|
|
#define PROC(name, xargt, xrest, argt, rest, respsize) \
|
||
|
|
{ .pc_func = (svc_procfunc) nlm4svc_proc_##name, \
|
||
|
|
.pc_decode = (kxdrproc_t) nlm4svc_decode_##xargt, \
|
||
|
|
.pc_encode = (kxdrproc_t) nlm4svc_encode_##xrest, \
|
||
|
|
.pc_release = NULL, \
|
||
|
|
.pc_argsize = sizeof(struct nlm_##argt), \
|
||
|
|
.pc_ressize = sizeof(struct nlm_##rest), \
|
||
|
|
.pc_xdrressize = respsize, \
|
||
|
|
}
|
||
|
|
#define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */
|
||
|
|
#define No (1+1024/4) /* netobj */
|
||
|
|
#define St 1 /* status */
|
||
|
|
#define Rg 4 /* range (offset + length) */
|
||
|
|
struct svc_procedure nlmsvc_procedures4[] = {
|
||
|
|
PROC(null, void, void, void, void, 1),
|
||
|
|
PROC(test, testargs, testres, args, res, Ck+St+2+No+Rg),
|
||
|
|
PROC(lock, lockargs, res, args, res, Ck+St),
|
||
|
|
PROC(cancel, cancargs, res, args, res, Ck+St),
|
||
|
|
PROC(unlock, unlockargs, res, args, res, Ck+St),
|
||
|
|
PROC(granted, testargs, res, args, res, Ck+St),
|
||
|
|
PROC(test_msg, testargs, norep, args, void, 1),
|
||
|
|
PROC(lock_msg, lockargs, norep, args, void, 1),
|
||
|
|
PROC(cancel_msg, cancargs, norep, args, void, 1),
|
||
|
|
PROC(unlock_msg, unlockargs, norep, args, void, 1),
|
||
|
|
PROC(granted_msg, testargs, norep, args, void, 1),
|
||
|
|
PROC(test_res, testres, norep, res, void, 1),
|
||
|
|
PROC(lock_res, lockres, norep, res, void, 1),
|
||
|
|
PROC(cancel_res, cancelres, norep, res, void, 1),
|
||
|
|
PROC(unlock_res, unlockres, norep, res, void, 1),
|
||
|
|
PROC(granted_res, res, norep, res, void, 1),
|
||
|
|
/* statd callback */
|
||
|
|
PROC(sm_notify, reboot, void, reboot, void, 1),
|
||
|
|
PROC(none, void, void, void, void, 0),
|
||
|
|
PROC(none, void, void, void, void, 0),
|
||
|
|
PROC(none, void, void, void, void, 0),
|
||
|
|
PROC(share, shareargs, shareres, args, res, Ck+St+1),
|
||
|
|
PROC(unshare, shareargs, shareres, args, res, Ck+St+1),
|
||
|
|
PROC(nm_lock, lockargs, res, args, res, Ck+St),
|
||
|
|
PROC(free_all, notify, void, args, void, 1),
|
||
|
|
|
||
|
|
};
|