1 |
62 |
marcus.erl |
/*
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2 |
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* linux/fs/lockd/svcproc.c
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3 |
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*
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4 |
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* Lockd server procedures. We don't implement the NLM_*_RES
|
5 |
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* procedures because we don't use the async procedures.
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6 |
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*
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7 |
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* Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
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8 |
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*/
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9 |
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10 |
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#include <linux/types.h>
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11 |
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#include <linux/time.h>
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12 |
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#include <linux/slab.h>
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13 |
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#include <linux/in.h>
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14 |
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#include <linux/sunrpc/svc.h>
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15 |
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#include <linux/sunrpc/clnt.h>
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16 |
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#include <linux/nfsd/nfsd.h>
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17 |
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#include <linux/lockd/lockd.h>
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18 |
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#include <linux/lockd/share.h>
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19 |
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#include <linux/lockd/sm_inter.h>
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20 |
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21 |
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22 |
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#define NLMDBG_FACILITY NLMDBG_CLIENT
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23 |
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24 |
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#ifdef CONFIG_LOCKD_V4
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25 |
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static __be32
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26 |
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cast_to_nlm(__be32 status, u32 vers)
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27 |
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{
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28 |
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/* Note: status is assumed to be in network byte order !!! */
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29 |
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if (vers != 4){
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30 |
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switch (status) {
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31 |
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case nlm_granted:
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32 |
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case nlm_lck_denied:
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33 |
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case nlm_lck_denied_nolocks:
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34 |
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case nlm_lck_blocked:
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35 |
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case nlm_lck_denied_grace_period:
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36 |
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case nlm_drop_reply:
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37 |
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break;
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38 |
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case nlm4_deadlock:
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39 |
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status = nlm_lck_denied;
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40 |
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break;
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41 |
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default:
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42 |
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status = nlm_lck_denied_nolocks;
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43 |
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}
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44 |
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}
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45 |
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46 |
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return (status);
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47 |
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}
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48 |
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#define cast_status(status) (cast_to_nlm(status, rqstp->rq_vers))
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49 |
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#else
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50 |
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#define cast_status(status) (status)
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51 |
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#endif
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52 |
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53 |
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/*
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54 |
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* Obtain client and file from arguments
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55 |
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*/
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56 |
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static __be32
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57 |
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nlmsvc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
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58 |
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struct nlm_host **hostp, struct nlm_file **filp)
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59 |
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{
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60 |
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struct nlm_host *host = NULL;
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61 |
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struct nlm_file *file = NULL;
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62 |
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struct nlm_lock *lock = &argp->lock;
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63 |
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__be32 error = 0;
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64 |
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65 |
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/* nfsd callbacks must have been installed for this procedure */
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66 |
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if (!nlmsvc_ops)
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67 |
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return nlm_lck_denied_nolocks;
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68 |
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69 |
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/* Obtain host handle */
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70 |
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if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len))
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71 |
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|| (argp->monitor && nsm_monitor(host) < 0))
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72 |
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goto no_locks;
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73 |
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*hostp = host;
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74 |
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75 |
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/* Obtain file pointer. Not used by FREE_ALL call. */
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76 |
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if (filp != NULL) {
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77 |
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if ((error = nlm_lookup_file(rqstp, &file, &lock->fh)) != 0)
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78 |
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goto no_locks;
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79 |
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*filp = file;
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80 |
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|
81 |
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/* Set up the missing parts of the file_lock structure */
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82 |
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lock->fl.fl_file = file->f_file;
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83 |
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lock->fl.fl_owner = (fl_owner_t) host;
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84 |
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lock->fl.fl_lmops = &nlmsvc_lock_operations;
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85 |
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}
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86 |
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87 |
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return 0;
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88 |
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|
89 |
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no_locks:
|
90 |
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if (host)
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91 |
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nlm_release_host(host);
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92 |
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if (error)
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93 |
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return error;
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94 |
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return nlm_lck_denied_nolocks;
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95 |
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}
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96 |
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97 |
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/*
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98 |
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* NULL: Test for presence of service
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99 |
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*/
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100 |
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static __be32
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101 |
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nlmsvc_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
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102 |
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{
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103 |
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dprintk("lockd: NULL called\n");
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104 |
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return rpc_success;
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105 |
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}
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106 |
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|
107 |
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/*
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108 |
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* TEST: Check for conflicting lock
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109 |
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*/
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110 |
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static __be32
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111 |
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nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_args *argp,
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112 |
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struct nlm_res *resp)
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113 |
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{
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114 |
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struct nlm_host *host;
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115 |
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struct nlm_file *file;
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116 |
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117 |
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dprintk("lockd: TEST called\n");
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118 |
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resp->cookie = argp->cookie;
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119 |
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120 |
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/* Don't accept test requests during grace period */
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121 |
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if (nlmsvc_grace_period) {
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122 |
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resp->status = nlm_lck_denied_grace_period;
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123 |
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return rpc_success;
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124 |
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}
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125 |
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126 |
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/* Obtain client and file */
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127 |
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if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
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128 |
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return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
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129 |
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130 |
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/* Now check for conflicting locks */
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131 |
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resp->status = cast_status(nlmsvc_testlock(rqstp, file, &argp->lock, &resp->lock, &resp->cookie));
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132 |
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if (resp->status == nlm_drop_reply)
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133 |
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return rpc_drop_reply;
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134 |
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135 |
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dprintk("lockd: TEST status %d vers %d\n",
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136 |
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ntohl(resp->status), rqstp->rq_vers);
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137 |
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nlm_release_host(host);
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138 |
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nlm_release_file(file);
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139 |
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return rpc_success;
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140 |
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}
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141 |
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142 |
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static __be32
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143 |
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nlmsvc_proc_lock(struct svc_rqst *rqstp, struct nlm_args *argp,
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144 |
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struct nlm_res *resp)
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145 |
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{
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146 |
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struct nlm_host *host;
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147 |
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struct nlm_file *file;
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148 |
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149 |
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dprintk("lockd: LOCK called\n");
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150 |
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151 |
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resp->cookie = argp->cookie;
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152 |
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153 |
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/* Don't accept new lock requests during grace period */
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154 |
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if (nlmsvc_grace_period && !argp->reclaim) {
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155 |
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resp->status = nlm_lck_denied_grace_period;
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156 |
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return rpc_success;
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157 |
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}
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158 |
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159 |
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/* Obtain client and file */
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160 |
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if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
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161 |
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return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
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162 |
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163 |
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#if 0
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164 |
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/* If supplied state doesn't match current state, we assume it's
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165 |
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* an old request that time-warped somehow. Any error return would
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166 |
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* do in this case because it's irrelevant anyway.
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167 |
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*
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168 |
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* NB: We don't retrieve the remote host's state yet.
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169 |
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*/
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170 |
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if (host->h_nsmstate && host->h_nsmstate != argp->state) {
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171 |
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resp->status = nlm_lck_denied_nolocks;
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172 |
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} else
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173 |
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#endif
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174 |
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175 |
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/* Now try to lock the file */
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176 |
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resp->status = cast_status(nlmsvc_lock(rqstp, file, &argp->lock,
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177 |
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argp->block, &argp->cookie));
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178 |
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if (resp->status == nlm_drop_reply)
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179 |
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return rpc_drop_reply;
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180 |
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181 |
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dprintk("lockd: LOCK status %d\n", ntohl(resp->status));
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182 |
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nlm_release_host(host);
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183 |
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nlm_release_file(file);
|
184 |
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return rpc_success;
|
185 |
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}
|
186 |
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|
187 |
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static __be32
|
188 |
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nlmsvc_proc_cancel(struct svc_rqst *rqstp, struct nlm_args *argp,
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189 |
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struct nlm_res *resp)
|
190 |
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{
|
191 |
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struct nlm_host *host;
|
192 |
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struct nlm_file *file;
|
193 |
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|
194 |
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dprintk("lockd: CANCEL called\n");
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195 |
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|
196 |
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resp->cookie = argp->cookie;
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197 |
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|
198 |
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/* Don't accept requests during grace period */
|
199 |
|
|
if (nlmsvc_grace_period) {
|
200 |
|
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resp->status = nlm_lck_denied_grace_period;
|
201 |
|
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return rpc_success;
|
202 |
|
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}
|
203 |
|
|
|
204 |
|
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/* Obtain client and file */
|
205 |
|
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if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
|
206 |
|
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return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
|
207 |
|
|
|
208 |
|
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/* Try to cancel request. */
|
209 |
|
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resp->status = cast_status(nlmsvc_cancel_blocked(file, &argp->lock));
|
210 |
|
|
|
211 |
|
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dprintk("lockd: CANCEL status %d\n", ntohl(resp->status));
|
212 |
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nlm_release_host(host);
|
213 |
|
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nlm_release_file(file);
|
214 |
|
|
return rpc_success;
|
215 |
|
|
}
|
216 |
|
|
|
217 |
|
|
/*
|
218 |
|
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* UNLOCK: release a lock
|
219 |
|
|
*/
|
220 |
|
|
static __be32
|
221 |
|
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nlmsvc_proc_unlock(struct svc_rqst *rqstp, struct nlm_args *argp,
|
222 |
|
|
struct nlm_res *resp)
|
223 |
|
|
{
|
224 |
|
|
struct nlm_host *host;
|
225 |
|
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struct nlm_file *file;
|
226 |
|
|
|
227 |
|
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dprintk("lockd: UNLOCK called\n");
|
228 |
|
|
|
229 |
|
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resp->cookie = argp->cookie;
|
230 |
|
|
|
231 |
|
|
/* Don't accept new lock requests during grace period */
|
232 |
|
|
if (nlmsvc_grace_period) {
|
233 |
|
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resp->status = nlm_lck_denied_grace_period;
|
234 |
|
|
return rpc_success;
|
235 |
|
|
}
|
236 |
|
|
|
237 |
|
|
/* Obtain client and file */
|
238 |
|
|
if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
|
239 |
|
|
return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
|
240 |
|
|
|
241 |
|
|
/* Now try to remove the lock */
|
242 |
|
|
resp->status = cast_status(nlmsvc_unlock(file, &argp->lock));
|
243 |
|
|
|
244 |
|
|
dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status));
|
245 |
|
|
nlm_release_host(host);
|
246 |
|
|
nlm_release_file(file);
|
247 |
|
|
return rpc_success;
|
248 |
|
|
}
|
249 |
|
|
|
250 |
|
|
/*
|
251 |
|
|
* GRANTED: A server calls us to tell that a process' lock request
|
252 |
|
|
* was granted
|
253 |
|
|
*/
|
254 |
|
|
static __be32
|
255 |
|
|
nlmsvc_proc_granted(struct svc_rqst *rqstp, struct nlm_args *argp,
|
256 |
|
|
struct nlm_res *resp)
|
257 |
|
|
{
|
258 |
|
|
resp->cookie = argp->cookie;
|
259 |
|
|
|
260 |
|
|
dprintk("lockd: GRANTED called\n");
|
261 |
|
|
resp->status = nlmclnt_grant(svc_addr_in(rqstp), &argp->lock);
|
262 |
|
|
dprintk("lockd: GRANTED status %d\n", ntohl(resp->status));
|
263 |
|
|
return rpc_success;
|
264 |
|
|
}
|
265 |
|
|
|
266 |
|
|
/*
|
267 |
|
|
* This is the generic lockd callback for async RPC calls
|
268 |
|
|
*/
|
269 |
|
|
static void nlmsvc_callback_exit(struct rpc_task *task, void *data)
|
270 |
|
|
{
|
271 |
|
|
dprintk("lockd: %5u callback returned %d\n", task->tk_pid,
|
272 |
|
|
-task->tk_status);
|
273 |
|
|
}
|
274 |
|
|
|
275 |
|
|
static void nlmsvc_callback_release(void *data)
|
276 |
|
|
{
|
277 |
|
|
nlm_release_call(data);
|
278 |
|
|
}
|
279 |
|
|
|
280 |
|
|
static const struct rpc_call_ops nlmsvc_callback_ops = {
|
281 |
|
|
.rpc_call_done = nlmsvc_callback_exit,
|
282 |
|
|
.rpc_release = nlmsvc_callback_release,
|
283 |
|
|
};
|
284 |
|
|
|
285 |
|
|
/*
|
286 |
|
|
* `Async' versions of the above service routines. They aren't really,
|
287 |
|
|
* because we send the callback before the reply proper. I hope this
|
288 |
|
|
* doesn't break any clients.
|
289 |
|
|
*/
|
290 |
|
|
static __be32 nlmsvc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_args *argp,
|
291 |
|
|
__be32 (*func)(struct svc_rqst *, struct nlm_args *, struct nlm_res *))
|
292 |
|
|
{
|
293 |
|
|
struct nlm_host *host;
|
294 |
|
|
struct nlm_rqst *call;
|
295 |
|
|
__be32 stat;
|
296 |
|
|
|
297 |
|
|
host = nlmsvc_lookup_host(rqstp,
|
298 |
|
|
argp->lock.caller,
|
299 |
|
|
argp->lock.len);
|
300 |
|
|
if (host == NULL)
|
301 |
|
|
return rpc_system_err;
|
302 |
|
|
|
303 |
|
|
call = nlm_alloc_call(host);
|
304 |
|
|
if (call == NULL)
|
305 |
|
|
return rpc_system_err;
|
306 |
|
|
|
307 |
|
|
stat = func(rqstp, argp, &call->a_res);
|
308 |
|
|
if (stat != 0) {
|
309 |
|
|
nlm_release_call(call);
|
310 |
|
|
return stat;
|
311 |
|
|
}
|
312 |
|
|
|
313 |
|
|
call->a_flags = RPC_TASK_ASYNC;
|
314 |
|
|
if (nlm_async_reply(call, proc, &nlmsvc_callback_ops) < 0)
|
315 |
|
|
return rpc_system_err;
|
316 |
|
|
return rpc_success;
|
317 |
|
|
}
|
318 |
|
|
|
319 |
|
|
static __be32 nlmsvc_proc_test_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
|
320 |
|
|
void *resp)
|
321 |
|
|
{
|
322 |
|
|
dprintk("lockd: TEST_MSG called\n");
|
323 |
|
|
return nlmsvc_callback(rqstp, NLMPROC_TEST_RES, argp, nlmsvc_proc_test);
|
324 |
|
|
}
|
325 |
|
|
|
326 |
|
|
static __be32 nlmsvc_proc_lock_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
|
327 |
|
|
void *resp)
|
328 |
|
|
{
|
329 |
|
|
dprintk("lockd: LOCK_MSG called\n");
|
330 |
|
|
return nlmsvc_callback(rqstp, NLMPROC_LOCK_RES, argp, nlmsvc_proc_lock);
|
331 |
|
|
}
|
332 |
|
|
|
333 |
|
|
static __be32 nlmsvc_proc_cancel_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
|
334 |
|
|
void *resp)
|
335 |
|
|
{
|
336 |
|
|
dprintk("lockd: CANCEL_MSG called\n");
|
337 |
|
|
return nlmsvc_callback(rqstp, NLMPROC_CANCEL_RES, argp, nlmsvc_proc_cancel);
|
338 |
|
|
}
|
339 |
|
|
|
340 |
|
|
static __be32
|
341 |
|
|
nlmsvc_proc_unlock_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
|
342 |
|
|
void *resp)
|
343 |
|
|
{
|
344 |
|
|
dprintk("lockd: UNLOCK_MSG called\n");
|
345 |
|
|
return nlmsvc_callback(rqstp, NLMPROC_UNLOCK_RES, argp, nlmsvc_proc_unlock);
|
346 |
|
|
}
|
347 |
|
|
|
348 |
|
|
static __be32
|
349 |
|
|
nlmsvc_proc_granted_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
|
350 |
|
|
void *resp)
|
351 |
|
|
{
|
352 |
|
|
dprintk("lockd: GRANTED_MSG called\n");
|
353 |
|
|
return nlmsvc_callback(rqstp, NLMPROC_GRANTED_RES, argp, nlmsvc_proc_granted);
|
354 |
|
|
}
|
355 |
|
|
|
356 |
|
|
/*
|
357 |
|
|
* SHARE: create a DOS share or alter existing share.
|
358 |
|
|
*/
|
359 |
|
|
static __be32
|
360 |
|
|
nlmsvc_proc_share(struct svc_rqst *rqstp, struct nlm_args *argp,
|
361 |
|
|
struct nlm_res *resp)
|
362 |
|
|
{
|
363 |
|
|
struct nlm_host *host;
|
364 |
|
|
struct nlm_file *file;
|
365 |
|
|
|
366 |
|
|
dprintk("lockd: SHARE called\n");
|
367 |
|
|
|
368 |
|
|
resp->cookie = argp->cookie;
|
369 |
|
|
|
370 |
|
|
/* Don't accept new lock requests during grace period */
|
371 |
|
|
if (nlmsvc_grace_period && !argp->reclaim) {
|
372 |
|
|
resp->status = nlm_lck_denied_grace_period;
|
373 |
|
|
return rpc_success;
|
374 |
|
|
}
|
375 |
|
|
|
376 |
|
|
/* Obtain client and file */
|
377 |
|
|
if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
|
378 |
|
|
return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
|
379 |
|
|
|
380 |
|
|
/* Now try to create the share */
|
381 |
|
|
resp->status = cast_status(nlmsvc_share_file(host, file, argp));
|
382 |
|
|
|
383 |
|
|
dprintk("lockd: SHARE status %d\n", ntohl(resp->status));
|
384 |
|
|
nlm_release_host(host);
|
385 |
|
|
nlm_release_file(file);
|
386 |
|
|
return rpc_success;
|
387 |
|
|
}
|
388 |
|
|
|
389 |
|
|
/*
|
390 |
|
|
* UNSHARE: Release a DOS share.
|
391 |
|
|
*/
|
392 |
|
|
static __be32
|
393 |
|
|
nlmsvc_proc_unshare(struct svc_rqst *rqstp, struct nlm_args *argp,
|
394 |
|
|
struct nlm_res *resp)
|
395 |
|
|
{
|
396 |
|
|
struct nlm_host *host;
|
397 |
|
|
struct nlm_file *file;
|
398 |
|
|
|
399 |
|
|
dprintk("lockd: UNSHARE called\n");
|
400 |
|
|
|
401 |
|
|
resp->cookie = argp->cookie;
|
402 |
|
|
|
403 |
|
|
/* Don't accept requests during grace period */
|
404 |
|
|
if (nlmsvc_grace_period) {
|
405 |
|
|
resp->status = nlm_lck_denied_grace_period;
|
406 |
|
|
return rpc_success;
|
407 |
|
|
}
|
408 |
|
|
|
409 |
|
|
/* Obtain client and file */
|
410 |
|
|
if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
|
411 |
|
|
return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
|
412 |
|
|
|
413 |
|
|
/* Now try to unshare the file */
|
414 |
|
|
resp->status = cast_status(nlmsvc_unshare_file(host, file, argp));
|
415 |
|
|
|
416 |
|
|
dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status));
|
417 |
|
|
nlm_release_host(host);
|
418 |
|
|
nlm_release_file(file);
|
419 |
|
|
return rpc_success;
|
420 |
|
|
}
|
421 |
|
|
|
422 |
|
|
/*
|
423 |
|
|
* NM_LOCK: Create an unmonitored lock
|
424 |
|
|
*/
|
425 |
|
|
static __be32
|
426 |
|
|
nlmsvc_proc_nm_lock(struct svc_rqst *rqstp, struct nlm_args *argp,
|
427 |
|
|
struct nlm_res *resp)
|
428 |
|
|
{
|
429 |
|
|
dprintk("lockd: NM_LOCK called\n");
|
430 |
|
|
|
431 |
|
|
argp->monitor = 0; /* just clean the monitor flag */
|
432 |
|
|
return nlmsvc_proc_lock(rqstp, argp, resp);
|
433 |
|
|
}
|
434 |
|
|
|
435 |
|
|
/*
|
436 |
|
|
* FREE_ALL: Release all locks and shares held by client
|
437 |
|
|
*/
|
438 |
|
|
static __be32
|
439 |
|
|
nlmsvc_proc_free_all(struct svc_rqst *rqstp, struct nlm_args *argp,
|
440 |
|
|
void *resp)
|
441 |
|
|
{
|
442 |
|
|
struct nlm_host *host;
|
443 |
|
|
|
444 |
|
|
/* Obtain client */
|
445 |
|
|
if (nlmsvc_retrieve_args(rqstp, argp, &host, NULL))
|
446 |
|
|
return rpc_success;
|
447 |
|
|
|
448 |
|
|
nlmsvc_free_host_resources(host);
|
449 |
|
|
nlm_release_host(host);
|
450 |
|
|
return rpc_success;
|
451 |
|
|
}
|
452 |
|
|
|
453 |
|
|
/*
|
454 |
|
|
* SM_NOTIFY: private callback from statd (not part of official NLM proto)
|
455 |
|
|
*/
|
456 |
|
|
static __be32
|
457 |
|
|
nlmsvc_proc_sm_notify(struct svc_rqst *rqstp, struct nlm_reboot *argp,
|
458 |
|
|
void *resp)
|
459 |
|
|
{
|
460 |
|
|
struct sockaddr_in saddr;
|
461 |
|
|
|
462 |
|
|
memcpy(&saddr, svc_addr_in(rqstp), sizeof(saddr));
|
463 |
|
|
|
464 |
|
|
dprintk("lockd: SM_NOTIFY called\n");
|
465 |
|
|
if (saddr.sin_addr.s_addr != htonl(INADDR_LOOPBACK)
|
466 |
|
|
|| ntohs(saddr.sin_port) >= 1024) {
|
467 |
|
|
char buf[RPC_MAX_ADDRBUFLEN];
|
468 |
|
|
printk(KERN_WARNING "lockd: rejected NSM callback from %s\n",
|
469 |
|
|
svc_print_addr(rqstp, buf, sizeof(buf)));
|
470 |
|
|
return rpc_system_err;
|
471 |
|
|
}
|
472 |
|
|
|
473 |
|
|
/* Obtain the host pointer for this NFS server and try to
|
474 |
|
|
* reclaim all locks we hold on this server.
|
475 |
|
|
*/
|
476 |
|
|
memset(&saddr, 0, sizeof(saddr));
|
477 |
|
|
saddr.sin_addr.s_addr = argp->addr;
|
478 |
|
|
nlm_host_rebooted(&saddr, argp->mon, argp->len, argp->state);
|
479 |
|
|
|
480 |
|
|
return rpc_success;
|
481 |
|
|
}
|
482 |
|
|
|
483 |
|
|
/*
|
484 |
|
|
* client sent a GRANTED_RES, let's remove the associated block
|
485 |
|
|
*/
|
486 |
|
|
static __be32
|
487 |
|
|
nlmsvc_proc_granted_res(struct svc_rqst *rqstp, struct nlm_res *argp,
|
488 |
|
|
void *resp)
|
489 |
|
|
{
|
490 |
|
|
if (!nlmsvc_ops)
|
491 |
|
|
return rpc_success;
|
492 |
|
|
|
493 |
|
|
dprintk("lockd: GRANTED_RES called\n");
|
494 |
|
|
|
495 |
|
|
nlmsvc_grant_reply(&argp->cookie, argp->status);
|
496 |
|
|
return rpc_success;
|
497 |
|
|
}
|
498 |
|
|
|
499 |
|
|
/*
|
500 |
|
|
* NLM Server procedures.
|
501 |
|
|
*/
|
502 |
|
|
|
503 |
|
|
#define nlmsvc_encode_norep nlmsvc_encode_void
|
504 |
|
|
#define nlmsvc_decode_norep nlmsvc_decode_void
|
505 |
|
|
#define nlmsvc_decode_testres nlmsvc_decode_void
|
506 |
|
|
#define nlmsvc_decode_lockres nlmsvc_decode_void
|
507 |
|
|
#define nlmsvc_decode_unlockres nlmsvc_decode_void
|
508 |
|
|
#define nlmsvc_decode_cancelres nlmsvc_decode_void
|
509 |
|
|
#define nlmsvc_decode_grantedres nlmsvc_decode_void
|
510 |
|
|
|
511 |
|
|
#define nlmsvc_proc_none nlmsvc_proc_null
|
512 |
|
|
#define nlmsvc_proc_test_res nlmsvc_proc_null
|
513 |
|
|
#define nlmsvc_proc_lock_res nlmsvc_proc_null
|
514 |
|
|
#define nlmsvc_proc_cancel_res nlmsvc_proc_null
|
515 |
|
|
#define nlmsvc_proc_unlock_res nlmsvc_proc_null
|
516 |
|
|
|
517 |
|
|
struct nlm_void { int dummy; };
|
518 |
|
|
|
519 |
|
|
#define PROC(name, xargt, xrest, argt, rest, respsize) \
|
520 |
|
|
{ .pc_func = (svc_procfunc) nlmsvc_proc_##name, \
|
521 |
|
|
.pc_decode = (kxdrproc_t) nlmsvc_decode_##xargt, \
|
522 |
|
|
.pc_encode = (kxdrproc_t) nlmsvc_encode_##xrest, \
|
523 |
|
|
.pc_release = NULL, \
|
524 |
|
|
.pc_argsize = sizeof(struct nlm_##argt), \
|
525 |
|
|
.pc_ressize = sizeof(struct nlm_##rest), \
|
526 |
|
|
.pc_xdrressize = respsize, \
|
527 |
|
|
}
|
528 |
|
|
|
529 |
|
|
#define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */
|
530 |
|
|
#define St 1 /* status */
|
531 |
|
|
#define No (1+1024/4) /* Net Obj */
|
532 |
|
|
#define Rg 2 /* range - offset + size */
|
533 |
|
|
|
534 |
|
|
struct svc_procedure nlmsvc_procedures[] = {
|
535 |
|
|
PROC(null, void, void, void, void, 1),
|
536 |
|
|
PROC(test, testargs, testres, args, res, Ck+St+2+No+Rg),
|
537 |
|
|
PROC(lock, lockargs, res, args, res, Ck+St),
|
538 |
|
|
PROC(cancel, cancargs, res, args, res, Ck+St),
|
539 |
|
|
PROC(unlock, unlockargs, res, args, res, Ck+St),
|
540 |
|
|
PROC(granted, testargs, res, args, res, Ck+St),
|
541 |
|
|
PROC(test_msg, testargs, norep, args, void, 1),
|
542 |
|
|
PROC(lock_msg, lockargs, norep, args, void, 1),
|
543 |
|
|
PROC(cancel_msg, cancargs, norep, args, void, 1),
|
544 |
|
|
PROC(unlock_msg, unlockargs, norep, args, void, 1),
|
545 |
|
|
PROC(granted_msg, testargs, norep, args, void, 1),
|
546 |
|
|
PROC(test_res, testres, norep, res, void, 1),
|
547 |
|
|
PROC(lock_res, lockres, norep, res, void, 1),
|
548 |
|
|
PROC(cancel_res, cancelres, norep, res, void, 1),
|
549 |
|
|
PROC(unlock_res, unlockres, norep, res, void, 1),
|
550 |
|
|
PROC(granted_res, res, norep, res, void, 1),
|
551 |
|
|
/* statd callback */
|
552 |
|
|
PROC(sm_notify, reboot, void, reboot, void, 1),
|
553 |
|
|
PROC(none, void, void, void, void, 1),
|
554 |
|
|
PROC(none, void, void, void, void, 1),
|
555 |
|
|
PROC(none, void, void, void, void, 1),
|
556 |
|
|
PROC(share, shareargs, shareres, args, res, Ck+St+1),
|
557 |
|
|
PROC(unshare, shareargs, shareres, args, res, Ck+St+1),
|
558 |
|
|
PROC(nm_lock, lockargs, res, args, res, Ck+St),
|
559 |
|
|
PROC(free_all, notify, void, args, void, 0),
|
560 |
|
|
|
561 |
|
|
};
|